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osm.etsi.org / osm / RO / fc7cfbf916777271ba2cf1c8edfa5d62ab9c8ce3 / . / osm_ro / nfvo.py
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# -*- coding: utf-8 -*-
##
# Copyright 2015 Telefonica Investigacion y Desarrollo, S.A.U.
# This file is part of openmano
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# For those usages not covered by the Apache License, Version 2.0 please
# contact with: nfvlabs@tid.es
##
'''
NFVO engine, implementing all the methods for the creation, deletion and management of vnfs, scenarios and instances
'''
__author__="Alfonso Tierno, Gerardo Garcia, Pablo Montes"
__date__ ="$16-sep-2014 22:05:01$"
# import imp
import json
import yaml
import utils
from utils import deprecated
import vim_thread
import console_proxy_thread as cli
import vimconn
import logging
import collections
import math
from uuid import uuid4
from db_base import db_base_Exception
import nfvo_db
from threading import Lock
import time as t
from lib_osm_openvim import ovim as ovim_module
from lib_osm_openvim.ovim import ovimException
from Crypto.PublicKey import RSA
import osm_im.vnfd as vnfd_catalog
import osm_im.nsd as nsd_catalog
from pyangbind.lib.serialise import pybindJSONDecoder
from copy import deepcopy
# WIM
import wim.wimconn as wimconn
import wim.wim_thread as wim_thread
from .http_tools import errors as httperrors
from .wim.engine import WimEngine
from .wim.persistence import WimPersistence
from copy import deepcopy
from pprint import pformat
#
global global_config
global vimconn_imported
# WIM
global wim_engine
wim_engine = None
global wimconn_imported
#
global logger
global default_volume_size
default_volume_size = '5' #size in GB
global ovim
ovim = None
global_config = None
vimconn_imported = {} # dictionary with VIM type as key, loaded module as value
vim_threads = {"running":{}, "deleting": {}, "names": []} # threads running for attached-VIMs
vim_persistent_info = {}
# WIM
wimconn_imported = {} # dictionary with WIM type as key, loaded module as value
wim_threads = {"running":{}, "deleting": {}, "names": []} # threads running for attached-WIMs
wim_persistent_info = {}
#
logger = logging.getLogger('openmano.nfvo')
task_lock = Lock()
last_task_id = 0.0
db = None
db_lock = Lock()
class NfvoException(httperrors.HttpMappedError):
"""Common Class for NFVO errors"""
def get_task_id():
global last_task_id
task_id = t.time()
if task_id <= last_task_id:
task_id = last_task_id + 0.000001
last_task_id = task_id
return "ACTION-{:.6f}".format(task_id)
# return (t.strftime("%Y%m%dT%H%M%S.{}%Z", t.localtime(task_id))).format(int((task_id % 1)*1e6))
def new_task(name, params, depends=None):
"""Deprected!!!"""
task_id = get_task_id()
task = {"status": "enqueued", "id": task_id, "name": name, "params": params}
if depends:
task["depends"] = depends
return task
def is_task_id(id):
return True if id[:5] == "TASK-" else False
def get_non_used_vim_name(datacenter_name, datacenter_id, tenant_name, tenant_id):
name = datacenter_name[:16]
if name not in vim_threads["names"]:
vim_threads["names"].append(name)
return name
name = datacenter_name[:16] + "." + tenant_name[:16]
if name not in vim_threads["names"]:
vim_threads["names"].append(name)
return name
name = datacenter_id + "-" + tenant_id
vim_threads["names"].append(name)
return name
# -- Move
def get_non_used_wim_name(wim_name, wim_id, tenant_name, tenant_id):
name = wim_name[:16]
if name not in wim_threads["names"]:
wim_threads["names"].append(name)
return name
name = wim_name[:16] + "." + tenant_name[:16]
if name not in wim_threads["names"]:
wim_threads["names"].append(name)
return name
name = wim_id + "-" + tenant_id
wim_threads["names"].append(name)
return name
def start_service(mydb, persistence=None, wim=None):
global db, global_config
db = nfvo_db.nfvo_db(lock=db_lock)
mydb.lock = db_lock
db.connect(global_config['db_host'], global_config['db_user'], global_config['db_passwd'], global_config['db_name'])
global ovim
persistence = persistence or WimPersistence(db)
# Initialize openvim for SDN control
# TODO: Avoid static configuration by adding new parameters to openmanod.cfg
# TODO: review ovim.py to delete not needed configuration
ovim_configuration = {
'logger_name': 'openmano.ovim',
'network_vlan_range_start': 1000,
'network_vlan_range_end': 4096,
'db_name': global_config["db_ovim_name"],
'db_host': global_config["db_ovim_host"],
'db_user': global_config["db_ovim_user"],
'db_passwd': global_config["db_ovim_passwd"],
'bridge_ifaces': {},
'mode': 'normal',
'network_type': 'bridge',
#TODO: log_level_of should not be needed. To be modified in ovim
'log_level_of': 'DEBUG'
}
try:
# starts ovim library
ovim = ovim_module.ovim(ovim_configuration)
global wim_engine
wim_engine = wim or WimEngine(persistence)
wim_engine.ovim = ovim
ovim.start_service()
#delete old unneeded vim_wim_actions
clean_db(mydb)
# starts vim_threads
from_= 'tenants_datacenters as td join datacenters as d on td.datacenter_id=d.uuid join '\
'datacenter_tenants as dt on td.datacenter_tenant_id=dt.uuid'
select_ = ('type', 'd.config as config', 'd.uuid as datacenter_id', 'vim_url', 'vim_url_admin',
'd.name as datacenter_name', 'dt.uuid as datacenter_tenant_id',
'dt.vim_tenant_name as vim_tenant_name', 'dt.vim_tenant_id as vim_tenant_id',
'user', 'passwd', 'dt.config as dt_config', 'nfvo_tenant_id')
vims = mydb.get_rows(FROM=from_, SELECT=select_)
for vim in vims:
extra={'datacenter_tenant_id': vim.get('datacenter_tenant_id'),
'datacenter_id': vim.get('datacenter_id')}
if vim["config"]:
extra.update(yaml.load(vim["config"]))
if vim.get('dt_config'):
extra.update(yaml.load(vim["dt_config"]))
if vim["type"] not in vimconn_imported:
module_info=None
try:
module = "vimconn_" + vim["type"]
pkg = __import__("osm_ro." + module)
vim_conn = getattr(pkg, module)
# module_info = imp.find_module(module, [__file__[:__file__.rfind("/")]])
# vim_conn = imp.load_module(vim["type"], *module_info)
vimconn_imported[vim["type"]] = vim_conn
except (IOError, ImportError) as e:
# if module_info and module_info[0]:
# file.close(module_info[0])
raise NfvoException("Unknown vim type '{}'. Cannot open file '{}.py'; {}: {}".format(
vim["type"], module, type(e).__name__, str(e)), httperrors.Bad_Request)
thread_id = vim['datacenter_tenant_id']
vim_persistent_info[thread_id] = {}
try:
#if not tenant:
# return -httperrors.Bad_Request, "You must provide a valid tenant name or uuid for VIM %s" % ( vim["type"])
myvim = vimconn_imported[ vim["type"] ].vimconnector(
uuid=vim['datacenter_id'], name=vim['datacenter_name'],
tenant_id=vim['vim_tenant_id'], tenant_name=vim['vim_tenant_name'],
url=vim['vim_url'], url_admin=vim['vim_url_admin'],
user=vim['user'], passwd=vim['passwd'],
config=extra, persistent_info=vim_persistent_info[thread_id]
)
except vimconn.vimconnException as e:
myvim = e
logger.error("Cannot launch thread for VIM {} '{}': {}".format(vim['datacenter_name'],
vim['datacenter_id'], e))
except Exception as e:
raise NfvoException("Error at VIM {}; {}: {}".format(vim["type"], type(e).__name__, e),
httperrors.Internal_Server_Error)
thread_name = get_non_used_vim_name(vim['datacenter_name'], vim['vim_tenant_id'], vim['vim_tenant_name'],
vim['vim_tenant_id'])
new_thread = vim_thread.vim_thread(task_lock, thread_name, vim['datacenter_name'],
vim['datacenter_tenant_id'], db=db, db_lock=db_lock, ovim=ovim)
new_thread.start()
vim_threads["running"][thread_id] = new_thread
wim_engine.start_threads()
except db_base_Exception as e:
raise NfvoException(str(e) + " at nfvo.get_vim", e.http_code)
except ovim_module.ovimException as e:
message = str(e)
if message[:22] == "DATABASE wrong version":
message = "DATABASE wrong version of lib_osm_openvim {msg} -d{dbname} -u{dbuser} -p{dbpass} {ver}' "\
"at host {dbhost}".format(
msg=message[22:-3], dbname=global_config["db_ovim_name"],
dbuser=global_config["db_ovim_user"], dbpass=global_config["db_ovim_passwd"],
ver=message[-3:-1], dbhost=global_config["db_ovim_host"])
raise NfvoException(message, httperrors.Bad_Request)
def stop_service():
global ovim, global_config
if ovim:
ovim.stop_service()
for thread_id, thread in vim_threads["running"].items():
thread.insert_task("exit")
vim_threads["deleting"][thread_id] = thread
vim_threads["running"] = {}
if wim_engine:
wim_engine.stop_threads()
if global_config and global_config.get("console_thread"):
for thread in global_config["console_thread"]:
thread.terminate = True
def get_version():
return ("openmanod version {} {}\n(c) Copyright Telefonica".format(global_config["version"],
global_config["version_date"] ))
def clean_db(mydb):
"""
Clean unused or old entries at database to avoid unlimited growing
:param mydb: database connector
:return: None
"""
# get and delete unused vim_wim_actions: all elements deleted, one week before, instance not present
now = t.time()-3600*24*7
instance_action_id = None
nb_deleted = 0
while True:
actions_to_delete = mydb.get_rows(
SELECT=("item", "item_id", "instance_action_id"),
FROM="vim_wim_actions as va join instance_actions as ia on va.instance_action_id=ia.uuid "
"left join instance_scenarios as i on ia.instance_id=i.uuid",
WHERE={"va.action": "DELETE", "va.modified_at<": now, "i.uuid": None,
"va.status": ("DONE", "SUPERSEDED")},
LIMIT=100
)
for to_delete in actions_to_delete:
mydb.delete_row(FROM="vim_wim_actions", WHERE=to_delete)
if instance_action_id != to_delete["instance_action_id"]:
instance_action_id = to_delete["instance_action_id"]
mydb.delete_row(FROM="instance_actions", WHERE={"uuid": instance_action_id})
nb_deleted += len(actions_to_delete)
if len(actions_to_delete) < 100:
break
if nb_deleted:
logger.debug("Removed {} unused vim_wim_actions".format(nb_deleted))
def get_flavorlist(mydb, vnf_id, nfvo_tenant=None):
'''Obtain flavorList
return result, content:
<0, error_text upon error
nb_records, flavor_list on success
'''
WHERE_dict={}
WHERE_dict['vnf_id'] = vnf_id
if nfvo_tenant is not None:
WHERE_dict['nfvo_tenant_id'] = nfvo_tenant
#result, content = mydb.get_table(FROM='vms join vnfs on vms.vnf_id = vnfs.uuid',SELECT=('uuid'),WHERE=WHERE_dict )
#result, content = mydb.get_table(FROM='vms',SELECT=('vim_flavor_id',),WHERE=WHERE_dict )
flavors = mydb.get_rows(FROM='vms join flavors on vms.flavor_id=flavors.uuid',SELECT=('flavor_id',),WHERE=WHERE_dict )
#print "get_flavor_list result:", result
#print "get_flavor_list content:", content
flavorList=[]
for flavor in flavors:
flavorList.append(flavor['flavor_id'])
return flavorList
def get_imagelist(mydb, vnf_id, nfvo_tenant=None):
"""
Get used images of all vms belonging to this VNFD
:param mydb: database conector
:param vnf_id: vnfd uuid
:param nfvo_tenant: tenant, not used
:return: The list of image uuid used
"""
image_list = []
vms = mydb.get_rows(SELECT=('image_id','image_list'), FROM='vms', WHERE={'vnf_id': vnf_id})
for vm in vms:
if vm["image_id"] and vm["image_id"] not in image_list:
image_list.append(vm["image_id"])
if vm["image_list"]:
vm_image_list = yaml.load(vm["image_list"])
for image_dict in vm_image_list:
if image_dict["image_id"] not in image_list:
image_list.append(image_dict["image_id"])
return image_list
def get_vim(mydb, nfvo_tenant=None, datacenter_id=None, datacenter_name=None, datacenter_tenant_id=None,
vim_tenant=None, vim_tenant_name=None, vim_user=None, vim_passwd=None, ignore_errors=False):
'''Obtain a dictionary of VIM (datacenter) classes with some of the input parameters
return dictionary with {datacenter_id: vim_class, ... }. vim_class contain:
'nfvo_tenant_id','datacenter_id','vim_tenant_id','vim_url','vim_url_admin','datacenter_name','type','user','passwd'
raise exception upon error
'''
WHERE_dict={}
if nfvo_tenant is not None: WHERE_dict['nfvo_tenant_id'] = nfvo_tenant
if datacenter_id is not None: WHERE_dict['d.uuid'] = datacenter_id
if datacenter_tenant_id is not None: WHERE_dict['datacenter_tenant_id'] = datacenter_tenant_id
if datacenter_name is not None: WHERE_dict['d.name'] = datacenter_name
if vim_tenant is not None: WHERE_dict['dt.vim_tenant_id'] = vim_tenant
if vim_tenant_name is not None: WHERE_dict['vim_tenant_name'] = vim_tenant_name
if nfvo_tenant or vim_tenant or vim_tenant_name or datacenter_tenant_id:
from_= 'tenants_datacenters as td join datacenters as d on td.datacenter_id=d.uuid join datacenter_tenants as dt on td.datacenter_tenant_id=dt.uuid'
select_ = ('type','d.config as config','d.uuid as datacenter_id', 'vim_url', 'vim_url_admin', 'd.name as datacenter_name',
'dt.uuid as datacenter_tenant_id','dt.vim_tenant_name as vim_tenant_name','dt.vim_tenant_id as vim_tenant_id',
'user','passwd', 'dt.config as dt_config')
else:
from_ = 'datacenters as d'
select_ = ('type','config','d.uuid as datacenter_id', 'vim_url', 'vim_url_admin', 'd.name as datacenter_name')
try:
vims = mydb.get_rows(FROM=from_, SELECT=select_, WHERE=WHERE_dict )
vim_dict={}
for vim in vims:
extra={'datacenter_tenant_id': vim.get('datacenter_tenant_id'),
'datacenter_id': vim.get('datacenter_id'),
'_vim_type_internal': vim.get('type')}
if vim["config"]:
extra.update(yaml.load(vim["config"]))
if vim.get('dt_config'):
extra.update(yaml.load(vim["dt_config"]))
if vim["type"] not in vimconn_imported:
module_info=None
try:
module = "vimconn_" + vim["type"]
pkg = __import__("osm_ro." + module)
vim_conn = getattr(pkg, module)
# module_info = imp.find_module(module, [__file__[:__file__.rfind("/")]])
# vim_conn = imp.load_module(vim["type"], *module_info)
vimconn_imported[vim["type"]] = vim_conn
except (IOError, ImportError) as e:
# if module_info and module_info[0]:
# file.close(module_info[0])
if ignore_errors:
logger.error("Unknown vim type '{}'. Can not open file '{}.py'; {}: {}".format(
vim["type"], module, type(e).__name__, str(e)))
continue
raise NfvoException("Unknown vim type '{}'. Can not open file '{}.py'; {}: {}".format(
vim["type"], module, type(e).__name__, str(e)), httperrors.Bad_Request)
try:
if 'datacenter_tenant_id' in vim:
thread_id = vim["datacenter_tenant_id"]
if thread_id not in vim_persistent_info:
vim_persistent_info[thread_id] = {}
persistent_info = vim_persistent_info[thread_id]
else:
persistent_info = {}
#if not tenant:
# return -httperrors.Bad_Request, "You must provide a valid tenant name or uuid for VIM %s" % ( vim["type"])
vim_dict[ vim['datacenter_id'] ] = vimconn_imported[ vim["type"] ].vimconnector(
uuid=vim['datacenter_id'], name=vim['datacenter_name'],
tenant_id=vim.get('vim_tenant_id',vim_tenant),
tenant_name=vim.get('vim_tenant_name',vim_tenant_name),
url=vim['vim_url'], url_admin=vim['vim_url_admin'],
user=vim.get('user',vim_user), passwd=vim.get('passwd',vim_passwd),
config=extra, persistent_info=persistent_info
)
except Exception as e:
if ignore_errors:
logger.error("Error at VIM {}; {}: {}".format(vim["type"], type(e).__name__, str(e)))
continue
http_code = httperrors.Internal_Server_Error
if isinstance(e, vimconn.vimconnException):
http_code = e.http_code
raise NfvoException("Error at VIM {}; {}: {}".format(vim["type"], type(e).__name__, str(e)), http_code)
return vim_dict
except db_base_Exception as e:
raise NfvoException(str(e) + " at nfvo.get_vim", e.http_code)
def rollback(mydb, vims, rollback_list):
undeleted_items=[]
#delete things by reverse order
for i in range(len(rollback_list)-1, -1, -1):
item = rollback_list[i]
if item["where"]=="vim":
if item["vim_id"] not in vims:
continue
if is_task_id(item["uuid"]):
continue
vim = vims[item["vim_id"]]
try:
if item["what"]=="image":
vim.delete_image(item["uuid"])
mydb.delete_row(FROM="datacenters_images", WHERE={"datacenter_vim_id": vim["id"], "vim_id":item["uuid"]})
elif item["what"]=="flavor":
vim.delete_flavor(item["uuid"])
mydb.delete_row(FROM="datacenters_flavors", WHERE={"datacenter_vim_id": vim["id"], "vim_id":item["uuid"]})
elif item["what"]=="network":
vim.delete_network(item["uuid"])
elif item["what"]=="vm":
vim.delete_vminstance(item["uuid"])
except vimconn.vimconnException as e:
logger.error("Error in rollback. Not possible to delete VIM %s '%s'. Message: %s", item['what'], item["uuid"], str(e))
undeleted_items.append("{} {} from VIM {}".format(item['what'], item["uuid"], vim["name"]))
except db_base_Exception as e:
logger.error("Error in rollback. Not possible to delete %s '%s' from DB.datacenters Message: %s", item['what'], item["uuid"], str(e))
else: # where==mano
try:
if item["what"]=="image":
mydb.delete_row(FROM="images", WHERE={"uuid": item["uuid"]})
elif item["what"]=="flavor":
mydb.delete_row(FROM="flavors", WHERE={"uuid": item["uuid"]})
except db_base_Exception as e:
logger.error("Error in rollback. Not possible to delete %s '%s' from DB. Message: %s", item['what'], item["uuid"], str(e))
undeleted_items.append("{} '{}'".format(item['what'], item["uuid"]))
if len(undeleted_items)==0:
return True," Rollback successful."
else:
return False," Rollback fails to delete: " + str(undeleted_items)
def check_vnf_descriptor(vnf_descriptor, vnf_descriptor_version=1):
global global_config
#create a dictionary with vnfc-name: vnfc:interface-list key:values pairs
vnfc_interfaces={}
for vnfc in vnf_descriptor["vnf"]["VNFC"]:
name_dict = {}
#dataplane interfaces
for numa in vnfc.get("numas",() ):
for interface in numa.get("interfaces",()):
if interface["name"] in name_dict:
raise NfvoException(
"Error at vnf:VNFC[name:'{}']:numas:interfaces:name, interface name '{}' already used in this VNFC".format(
vnfc["name"], interface["name"]),
httperrors.Bad_Request)
name_dict[ interface["name"] ] = "underlay"
#bridge interfaces
for interface in vnfc.get("bridge-ifaces",() ):
if interface["name"] in name_dict:
raise NfvoException(
"Error at vnf:VNFC[name:'{}']:bridge-ifaces:name, interface name '{}' already used in this VNFC".format(
vnfc["name"], interface["name"]),
httperrors.Bad_Request)
name_dict[ interface["name"] ] = "overlay"
vnfc_interfaces[ vnfc["name"] ] = name_dict
# check bood-data info
# if "boot-data" in vnfc:
# # check that user-data is incompatible with users and config-files
# if (vnfc["boot-data"].get("users") or vnfc["boot-data"].get("config-files")) and vnfc["boot-data"].get("user-data"):
# raise NfvoException(
# "Error at vnf:VNFC:boot-data, fields 'users' and 'config-files' are not compatible with 'user-data'",
# httperrors.Bad_Request)
#check if the info in external_connections matches with the one in the vnfcs
name_list=[]
for external_connection in vnf_descriptor["vnf"].get("external-connections",() ):
if external_connection["name"] in name_list:
raise NfvoException(
"Error at vnf:external-connections:name, value '{}' already used as an external-connection".format(
external_connection["name"]),
httperrors.Bad_Request)
name_list.append(external_connection["name"])
if external_connection["VNFC"] not in vnfc_interfaces:
raise NfvoException(
"Error at vnf:external-connections[name:'{}']:VNFC, value '{}' does not match any VNFC".format(
external_connection["name"], external_connection["VNFC"]),
httperrors.Bad_Request)
if external_connection["local_iface_name"] not in vnfc_interfaces[ external_connection["VNFC"] ]:
raise NfvoException(
"Error at vnf:external-connections[name:'{}']:local_iface_name, value '{}' does not match any interface of this VNFC".format(
external_connection["name"],
external_connection["local_iface_name"]),
httperrors.Bad_Request )
#check if the info in internal_connections matches with the one in the vnfcs
name_list=[]
for internal_connection in vnf_descriptor["vnf"].get("internal-connections",() ):
if internal_connection["name"] in name_list:
raise NfvoException(
"Error at vnf:internal-connections:name, value '%s' already used as an internal-connection".format(
internal_connection["name"]),
httperrors.Bad_Request)
name_list.append(internal_connection["name"])
#We should check that internal-connections of type "ptp" have only 2 elements
if len(internal_connection["elements"])>2 and (internal_connection.get("type") == "ptp" or internal_connection.get("type") == "e-line"):
raise NfvoException(
"Error at 'vnf:internal-connections[name:'{}']:elements', size must be 2 for a '{}' type. Consider change it to '{}' type".format(
internal_connection["name"],
'ptp' if vnf_descriptor_version==1 else 'e-line',
'data' if vnf_descriptor_version==1 else "e-lan"),
httperrors.Bad_Request)
for port in internal_connection["elements"]:
vnf = port["VNFC"]
iface = port["local_iface_name"]
if vnf not in vnfc_interfaces:
raise NfvoException(
"Error at vnf:internal-connections[name:'{}']:elements[]:VNFC, value '{}' does not match any VNFC".format(
internal_connection["name"], vnf),
httperrors.Bad_Request)
if iface not in vnfc_interfaces[ vnf ]:
raise NfvoException(
"Error at vnf:internal-connections[name:'{}']:elements[]:local_iface_name, value '{}' does not match any interface of this VNFC".format(
internal_connection["name"], iface),
httperrors.Bad_Request)
return -httperrors.Bad_Request,
if vnf_descriptor_version==1 and "type" not in internal_connection:
if vnfc_interfaces[vnf][iface] == "overlay":
internal_connection["type"] = "bridge"
else:
internal_connection["type"] = "data"
if vnf_descriptor_version==2 and "implementation" not in internal_connection:
if vnfc_interfaces[vnf][iface] == "overlay":
internal_connection["implementation"] = "overlay"
else:
internal_connection["implementation"] = "underlay"
if (internal_connection.get("type") == "data" or internal_connection.get("type") == "ptp" or \
internal_connection.get("implementation") == "underlay") and vnfc_interfaces[vnf][iface] == "overlay":
raise NfvoException(
"Error at vnf:internal-connections[name:'{}']:elements[]:{}, interface of type {} connected to an {} network".format(
internal_connection["name"],
iface, 'bridge' if vnf_descriptor_version==1 else 'overlay',
'data' if vnf_descriptor_version==1 else 'underlay'),
httperrors.Bad_Request)
if (internal_connection.get("type") == "bridge" or internal_connection.get("implementation") == "overlay") and \
vnfc_interfaces[vnf][iface] == "underlay":
raise NfvoException(
"Error at vnf:internal-connections[name:'{}']:elements[]:{}, interface of type {} connected to an {} network".format(
internal_connection["name"], iface,
'data' if vnf_descriptor_version==1 else 'underlay',
'bridge' if vnf_descriptor_version==1 else 'overlay'),
httperrors.Bad_Request)
def create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=False, return_on_error=None):
#look if image exist
if only_create_at_vim:
image_mano_id = image_dict['uuid']
if return_on_error == None:
return_on_error = True
else:
if image_dict['location']:
images = mydb.get_rows(FROM="images", WHERE={'location':image_dict['location'], 'metadata':image_dict['metadata']})
else:
images = mydb.get_rows(FROM="images", WHERE={'universal_name':image_dict['universal_name'], 'checksum':image_dict['checksum']})
if len(images)>=1:
image_mano_id = images[0]['uuid']
else:
#create image in MANO DB
temp_image_dict={'name':image_dict['name'], 'description':image_dict.get('description',None),
'location':image_dict['location'], 'metadata':image_dict.get('metadata',None),
'universal_name':image_dict['universal_name'] , 'checksum':image_dict['checksum']
}
#temp_image_dict['location'] = image_dict.get('new_location') if image_dict['location'] is None
image_mano_id = mydb.new_row('images', temp_image_dict, add_uuid=True)
rollback_list.append({"where":"mano", "what":"image","uuid":image_mano_id})
#create image at every vim
for vim_id,vim in vims.iteritems():
datacenter_vim_id = vim["config"]["datacenter_tenant_id"]
image_created="false"
#look at database
image_db = mydb.get_rows(FROM="datacenters_images",
WHERE={'datacenter_vim_id': datacenter_vim_id, 'image_id': image_mano_id})
#look at VIM if this image exist
try:
if image_dict['location'] is not None:
image_vim_id = vim.get_image_id_from_path(image_dict['location'])
else:
filter_dict = {}
filter_dict['name'] = image_dict['universal_name']
if image_dict.get('checksum') != None:
filter_dict['checksum'] = image_dict['checksum']
#logger.debug('>>>>>>>> Filter dict: %s', str(filter_dict))
vim_images = vim.get_image_list(filter_dict)
#logger.debug('>>>>>>>> VIM images: %s', str(vim_images))
if len(vim_images) > 1:
raise vimconn.vimconnException("More than one candidate VIM image found for filter: {}".format(str(filter_dict)), httperrors.Conflict)
elif len(vim_images) == 0:
raise vimconn.vimconnNotFoundException("Image not found at VIM with filter: '{}'".format(str(filter_dict)))
else:
#logger.debug('>>>>>>>> VIM image 0: %s', str(vim_images[0]))
image_vim_id = vim_images[0]['id']
except vimconn.vimconnNotFoundException as e:
#Create the image in VIM only if image_dict['location'] or image_dict['new_location'] is not None
try:
#image_dict['location']=image_dict.get('new_location') if image_dict['location'] is None
if image_dict['location']:
image_vim_id = vim.new_image(image_dict)
rollback_list.append({"where":"vim", "vim_id": vim_id, "what":"image","uuid":image_vim_id})
image_created="true"
else:
#If we reach this point, then the image has image name, and optionally checksum, and could not be found
raise vimconn.vimconnException(str(e))
except vimconn.vimconnException as e:
if return_on_error:
logger.error("Error creating image at VIM '%s': %s", vim["name"], str(e))
raise
image_vim_id = None
logger.warn("Error creating image at VIM '%s': %s", vim["name"], str(e))
continue
except vimconn.vimconnException as e:
if return_on_error:
logger.error("Error contacting VIM to know if the image exists at VIM: %s", str(e))
raise
logger.warn("Error contacting VIM to know if the image exists at VIM: %s", str(e))
image_vim_id = None
continue
#if we reach here, the image has been created or existed
if len(image_db)==0:
#add new vim_id at datacenters_images
mydb.new_row('datacenters_images', {'datacenter_vim_id': datacenter_vim_id,
'image_id':image_mano_id,
'vim_id': image_vim_id,
'created':image_created})
elif image_db[0]["vim_id"]!=image_vim_id:
#modify existing vim_id at datacenters_images
mydb.update_rows('datacenters_images', UPDATE={'vim_id':image_vim_id}, WHERE={'datacenter_vim_id':vim_id, 'image_id':image_mano_id})
return image_vim_id if only_create_at_vim else image_mano_id
def create_or_use_flavor(mydb, vims, flavor_dict, rollback_list, only_create_at_vim=False, return_on_error = None):
temp_flavor_dict= {'disk':flavor_dict.get('disk',0),
'ram':flavor_dict.get('ram'),
'vcpus':flavor_dict.get('vcpus'),
}
if 'extended' in flavor_dict and flavor_dict['extended']==None:
del flavor_dict['extended']
if 'extended' in flavor_dict:
temp_flavor_dict['extended']=yaml.safe_dump(flavor_dict['extended'],default_flow_style=True,width=256)
#look if flavor exist
if only_create_at_vim:
flavor_mano_id = flavor_dict['uuid']
if return_on_error == None:
return_on_error = True
else:
flavors = mydb.get_rows(FROM="flavors", WHERE=temp_flavor_dict)
if len(flavors)>=1:
flavor_mano_id = flavors[0]['uuid']
else:
#create flavor
#create one by one the images of aditional disks
dev_image_list=[] #list of images
if 'extended' in flavor_dict and flavor_dict['extended']!=None:
dev_nb=0
for device in flavor_dict['extended'].get('devices',[]):
if "image" not in device and "image name" not in device:
continue
image_dict={}
image_dict['name']=device.get('image name',flavor_dict['name']+str(dev_nb)+"-img")
image_dict['universal_name']=device.get('image name')
image_dict['description']=flavor_dict['name']+str(dev_nb)+"-img"
image_dict['location']=device.get('image')
#image_dict['new_location']=vnfc.get('image location')
image_dict['checksum']=device.get('image checksum')
image_metadata_dict = device.get('image metadata', None)
image_metadata_str = None
if image_metadata_dict != None:
image_metadata_str = yaml.safe_dump(image_metadata_dict,default_flow_style=True,width=256)
image_dict['metadata']=image_metadata_str
image_id = create_or_use_image(mydb, vims, image_dict, rollback_list)
#print "Additional disk image id for VNFC %s: %s" % (flavor_dict['name']+str(dev_nb)+"-img", image_id)
dev_image_list.append(image_id)
dev_nb += 1
temp_flavor_dict['name'] = flavor_dict['name']
temp_flavor_dict['description'] = flavor_dict.get('description',None)
content = mydb.new_row('flavors', temp_flavor_dict, add_uuid=True)
flavor_mano_id= content
rollback_list.append({"where":"mano", "what":"flavor","uuid":flavor_mano_id})
#create flavor at every vim
if 'uuid' in flavor_dict:
del flavor_dict['uuid']
flavor_vim_id=None
for vim_id,vim in vims.items():
datacenter_vim_id = vim["config"]["datacenter_tenant_id"]
flavor_created="false"
#look at database
flavor_db = mydb.get_rows(FROM="datacenters_flavors",
WHERE={'datacenter_vim_id': datacenter_vim_id, 'flavor_id': flavor_mano_id})
#look at VIM if this flavor exist SKIPPED
#res_vim, flavor_vim_id = vim.get_flavor_id_from_path(flavor_dict['location'])
#if res_vim < 0:
# print "Error contacting VIM to know if the flavor %s existed previously." %flavor_vim_id
# continue
#elif res_vim==0:
# Create the flavor in VIM
# Translate images at devices from MANO id to VIM id
disk_list = []
if 'extended' in flavor_dict and flavor_dict['extended']!=None and "devices" in flavor_dict['extended']:
# make a copy of original devices
devices_original=[]
for device in flavor_dict["extended"].get("devices",[]):
dev={}
dev.update(device)
devices_original.append(dev)
if 'image' in device:
del device['image']
if 'image metadata' in device:
del device['image metadata']
if 'image checksum' in device:
del device['image checksum']
dev_nb = 0
for index in range(0,len(devices_original)) :
device=devices_original[index]
if "image" not in device and "image name" not in device:
# if 'size' in device:
disk_list.append({'size': device.get('size', default_volume_size), 'name': device.get('name')})
continue
image_dict={}
image_dict['name']=device.get('image name',flavor_dict['name']+str(dev_nb)+"-img")
image_dict['universal_name']=device.get('image name')
image_dict['description']=flavor_dict['name']+str(dev_nb)+"-img"
image_dict['location']=device.get('image')
# image_dict['new_location']=device.get('image location')
image_dict['checksum']=device.get('image checksum')
image_metadata_dict = device.get('image metadata', None)
image_metadata_str = None
if image_metadata_dict != None:
image_metadata_str = yaml.safe_dump(image_metadata_dict,default_flow_style=True,width=256)
image_dict['metadata']=image_metadata_str
image_mano_id=create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=False, return_on_error=return_on_error )
image_dict["uuid"]=image_mano_id
image_vim_id=create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=True, return_on_error=return_on_error)
#save disk information (image must be based on and size
disk_list.append({'image_id': image_vim_id, 'size': device.get('size', default_volume_size)})
flavor_dict["extended"]["devices"][index]['imageRef']=image_vim_id
dev_nb += 1
if len(flavor_db)>0:
#check that this vim_id exist in VIM, if not create
flavor_vim_id=flavor_db[0]["vim_id"]
try:
vim.get_flavor(flavor_vim_id)
continue #flavor exist
except vimconn.vimconnException:
pass
#create flavor at vim
logger.debug("nfvo.create_or_use_flavor() adding flavor to VIM %s", vim["name"])
try:
flavor_vim_id = None
flavor_vim_id=vim.get_flavor_id_from_data(flavor_dict)
flavor_create="false"
except vimconn.vimconnException as e:
pass
try:
if not flavor_vim_id:
flavor_vim_id = vim.new_flavor(flavor_dict)
rollback_list.append({"where":"vim", "vim_id": vim_id, "what":"flavor","uuid":flavor_vim_id})
flavor_created="true"
except vimconn.vimconnException as e:
if return_on_error:
logger.error("Error creating flavor at VIM %s: %s.", vim["name"], str(e))
raise
logger.warn("Error creating flavor at VIM %s: %s.", vim["name"], str(e))
flavor_vim_id = None
continue
#if reach here the flavor has been create or exist
if len(flavor_db)==0:
#add new vim_id at datacenters_flavors
extended_devices_yaml = None
if len(disk_list) > 0:
extended_devices = dict()
extended_devices['disks'] = disk_list
extended_devices_yaml = yaml.safe_dump(extended_devices,default_flow_style=True,width=256)
mydb.new_row('datacenters_flavors',
{'datacenter_vim_id': datacenter_vim_id, 'flavor_id': flavor_mano_id, 'vim_id': flavor_vim_id,
'created': flavor_created, 'extended': extended_devices_yaml})
elif flavor_db[0]["vim_id"]!=flavor_vim_id:
#modify existing vim_id at datacenters_flavors
mydb.update_rows('datacenters_flavors', UPDATE={'vim_id':flavor_vim_id},
WHERE={'datacenter_vim_id': datacenter_vim_id, 'flavor_id': flavor_mano_id})
return flavor_vim_id if only_create_at_vim else flavor_mano_id
def get_str(obj, field, length):
"""
Obtain the str value,
:param obj:
:param length:
:return:
"""
value = obj.get(field)
if value is not None:
value = str(value)[:length]
return value
def _lookfor_or_create_image(db_image, mydb, descriptor):
"""
fill image content at db_image dictionary. Check if the image with this image and checksum exist
:param db_image: dictionary to insert data
:param mydb: database connector
:param descriptor: yang descriptor
:return: uuid if the image exist at DB, or None if a new image must be created with the data filled at db_image
"""
db_image["name"] = get_str(descriptor, "image", 255)
db_image["checksum"] = get_str(descriptor, "image-checksum", 32)
if not db_image["checksum"]: # Ensure that if empty string, None is stored
db_image["checksum"] = None
if db_image["name"].startswith("/"):
db_image["location"] = db_image["name"]
existing_images = mydb.get_rows(FROM="images", WHERE={'location': db_image["location"]})
else:
db_image["universal_name"] = db_image["name"]
existing_images = mydb.get_rows(FROM="images", WHERE={'universal_name': db_image['universal_name'],
'checksum': db_image['checksum']})
if existing_images:
return existing_images[0]["uuid"]
else:
image_uuid = str(uuid4())
db_image["uuid"] = image_uuid
return None
def new_vnfd_v3(mydb, tenant_id, vnf_descriptor):
"""
Parses an OSM IM vnfd_catalog and insert at DB
:param mydb:
:param tenant_id:
:param vnf_descriptor:
:return: The list of cretated vnf ids
"""
try:
myvnfd = vnfd_catalog.vnfd()
try:
pybindJSONDecoder.load_ietf_json(vnf_descriptor, None, None, obj=myvnfd, path_helper=True)
except Exception as e:
raise NfvoException("Error. Invalid VNF descriptor format " + str(e), httperrors.Bad_Request)
db_vnfs = []
db_nets = []
db_vms = []
db_vms_index = 0
db_interfaces = []
db_images = []
db_flavors = []
db_ip_profiles_index = 0
db_ip_profiles = []
uuid_list = []
vnfd_uuid_list = []
vnfd_catalog_descriptor = vnf_descriptor.get("vnfd:vnfd-catalog")
if not vnfd_catalog_descriptor:
vnfd_catalog_descriptor = vnf_descriptor.get("vnfd-catalog")
vnfd_descriptor_list = vnfd_catalog_descriptor.get("vnfd")
if not vnfd_descriptor_list:
vnfd_descriptor_list = vnfd_catalog_descriptor.get("vnfd:vnfd")
for vnfd_yang in myvnfd.vnfd_catalog.vnfd.itervalues():
vnfd = vnfd_yang.get()
# table vnf
vnf_uuid = str(uuid4())
uuid_list.append(vnf_uuid)
vnfd_uuid_list.append(vnf_uuid)
vnfd_id = get_str(vnfd, "id", 255)
db_vnf = {
"uuid": vnf_uuid,
"osm_id": vnfd_id,
"name": get_str(vnfd, "name", 255),
"description": get_str(vnfd, "description", 255),
"tenant_id": tenant_id,
"vendor": get_str(vnfd, "vendor", 255),
"short_name": get_str(vnfd, "short-name", 255),
"descriptor": str(vnf_descriptor)[:60000]
}
for vnfd_descriptor in vnfd_descriptor_list:
if vnfd_descriptor["id"] == str(vnfd["id"]):
break
# table ip_profiles (ip-profiles)
ip_profile_name2db_table_index = {}
for ip_profile in vnfd.get("ip-profiles").itervalues():
db_ip_profile = {
"ip_version": str(ip_profile["ip-profile-params"].get("ip-version", "ipv4")),
"subnet_address": str(ip_profile["ip-profile-params"].get("subnet-address")),
"gateway_address": str(ip_profile["ip-profile-params"].get("gateway-address")),
"dhcp_enabled": str(ip_profile["ip-profile-params"]["dhcp-params"].get("enabled", True)),
"dhcp_start_address": str(ip_profile["ip-profile-params"]["dhcp-params"].get("start-address")),
"dhcp_count": str(ip_profile["ip-profile-params"]["dhcp-params"].get("count")),
}
dns_list = []
for dns in ip_profile["ip-profile-params"]["dns-server"].itervalues():
dns_list.append(str(dns.get("address")))
db_ip_profile["dns_address"] = ";".join(dns_list)
if ip_profile["ip-profile-params"].get('security-group'):
db_ip_profile["security_group"] = ip_profile["ip-profile-params"]['security-group']
ip_profile_name2db_table_index[str(ip_profile["name"])] = db_ip_profiles_index
db_ip_profiles_index += 1
db_ip_profiles.append(db_ip_profile)
# table nets (internal-vld)
net_id2uuid = {} # for mapping interface with network
for vld in vnfd.get("internal-vld").itervalues():
net_uuid = str(uuid4())
uuid_list.append(net_uuid)
db_net = {
"name": get_str(vld, "name", 255),
"vnf_id": vnf_uuid,
"uuid": net_uuid,
"description": get_str(vld, "description", 255),
"osm_id": get_str(vld, "id", 255),
"type": "bridge", # TODO adjust depending on connection point type
}
net_id2uuid[vld.get("id")] = net_uuid
db_nets.append(db_net)
# ip-profile, link db_ip_profile with db_sce_net
if vld.get("ip-profile-ref"):
ip_profile_name = vld.get("ip-profile-ref")
if ip_profile_name not in ip_profile_name2db_table_index:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{}]':'vld[{}]':'ip-profile-ref':"
"'{}'. Reference to a non-existing 'ip_profiles'".format(
str(vnfd["id"]), str(vld["id"]), str(vld["ip-profile-ref"])),
httperrors.Bad_Request)
db_ip_profiles[ip_profile_name2db_table_index[ip_profile_name]]["net_id"] = net_uuid
else: #check no ip-address has been defined
for icp in vld.get("internal-connection-point").itervalues():
if icp.get("ip-address"):
raise NfvoException("Error at 'vnfd[{}]':'vld[{}]':'internal-connection-point[{}]' "
"contains an ip-address but no ip-profile has been defined at VLD".format(
str(vnfd["id"]), str(vld["id"]), str(icp["id"])),
httperrors.Bad_Request)
# connection points vaiable declaration
cp_name2iface_uuid = {}
cp_name2vm_uuid = {}
cp_name2db_interface = {}
vdu_id2cp_name = {} # stored only when one external connection point is presented at this VDU
# table vms (vdus)
vdu_id2uuid = {}
vdu_id2db_table_index = {}
for vdu in vnfd.get("vdu").itervalues():
for vdu_descriptor in vnfd_descriptor["vdu"]:
if vdu_descriptor["id"] == str(vdu["id"]):
break
vm_uuid = str(uuid4())
uuid_list.append(vm_uuid)
vdu_id = get_str(vdu, "id", 255)
db_vm = {
"uuid": vm_uuid,
"osm_id": vdu_id,
"name": get_str(vdu, "name", 255),
"description": get_str(vdu, "description", 255),
"pdu_type": get_str(vdu, "pdu-type", 255),
"vnf_id": vnf_uuid,
}
vdu_id2uuid[db_vm["osm_id"]] = vm_uuid
vdu_id2db_table_index[db_vm["osm_id"]] = db_vms_index
if vdu.get("count"):
db_vm["count"] = int(vdu["count"])
# table image
image_present = False
if vdu.get("image"):
image_present = True
db_image = {}
image_uuid = _lookfor_or_create_image(db_image, mydb, vdu)
if not image_uuid:
image_uuid = db_image["uuid"]
db_images.append(db_image)
db_vm["image_id"] = image_uuid
if vdu.get("alternative-images"):
vm_alternative_images = []
for alt_image in vdu.get("alternative-images").itervalues():
db_image = {}
image_uuid = _lookfor_or_create_image(db_image, mydb, alt_image)
if not image_uuid:
image_uuid = db_image["uuid"]
db_images.append(db_image)
vm_alternative_images.append({
"image_id": image_uuid,
"vim_type": str(alt_image["vim-type"]),
# "universal_name": str(alt_image["image"]),
# "checksum": str(alt_image["image-checksum"]) if alt_image.get("image-checksum") else None
})
db_vm["image_list"] = yaml.safe_dump(vm_alternative_images, default_flow_style=True, width=256)
# volumes
devices = []
if vdu.get("volumes"):
for volume_key in vdu["volumes"]:
volume = vdu["volumes"][volume_key]
if not image_present:
# Convert the first volume to vnfc.image
image_present = True
db_image = {}
image_uuid = _lookfor_or_create_image(db_image, mydb, volume)
if not image_uuid:
image_uuid = db_image["uuid"]
db_images.append(db_image)
db_vm["image_id"] = image_uuid
else:
# Add Openmano devices
device = {"name": str(volume.get("name"))}
device["type"] = str(volume.get("device-type"))
if volume.get("size"):
device["size"] = int(volume["size"])
if volume.get("image"):
device["image name"] = str(volume["image"])
if volume.get("image-checksum"):
device["image checksum"] = str(volume["image-checksum"])
devices.append(device)
if not db_vm.get("image_id"):
if not db_vm["pdu_type"]:
raise NfvoException("Not defined image for VDU")
# create a fake image
# cloud-init
boot_data = {}
if vdu.get("cloud-init"):
boot_data["user-data"] = str(vdu["cloud-init"])
elif vdu.get("cloud-init-file"):
# TODO Where this file content is present???
# boot_data["user-data"] = vnfd_yang.files[vdu["cloud-init-file"]]
boot_data["user-data"] = str(vdu["cloud-init-file"])
if vdu.get("supplemental-boot-data"):
if vdu["supplemental-boot-data"].get('boot-data-drive'):
boot_data['boot-data-drive'] = True
if vdu["supplemental-boot-data"].get('config-file'):
om_cfgfile_list = list()
for custom_config_file in vdu["supplemental-boot-data"]['config-file'].itervalues():
# TODO Where this file content is present???
cfg_source = str(custom_config_file["source"])
om_cfgfile_list.append({"dest": custom_config_file["dest"],
"content": cfg_source})
boot_data['config-files'] = om_cfgfile_list
if boot_data:
db_vm["boot_data"] = yaml.safe_dump(boot_data, default_flow_style=True, width=256)
db_vms.append(db_vm)
db_vms_index += 1
# table interfaces (internal/external interfaces)
flavor_epa_interfaces = []
# for iface in chain(vdu.get("internal-interface").itervalues(), vdu.get("external-interface").itervalues()):
for iface in vdu.get("interface").itervalues():
flavor_epa_interface = {}
iface_uuid = str(uuid4())
uuid_list.append(iface_uuid)
db_interface = {
"uuid": iface_uuid,
"internal_name": get_str(iface, "name", 255),
"vm_id": vm_uuid,
}
flavor_epa_interface["name"] = db_interface["internal_name"]
if iface.get("virtual-interface").get("vpci"):
db_interface["vpci"] = get_str(iface.get("virtual-interface"), "vpci", 12)
flavor_epa_interface["vpci"] = db_interface["vpci"]
if iface.get("virtual-interface").get("bandwidth"):
bps = int(iface.get("virtual-interface").get("bandwidth"))
db_interface["bw"] = int(math.ceil(bps/1000000.0))
flavor_epa_interface["bandwidth"] = "{} Mbps".format(db_interface["bw"])
if iface.get("virtual-interface").get("type") == "OM-MGMT":
db_interface["type"] = "mgmt"
elif iface.get("virtual-interface").get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
db_interface["type"] = "bridge"
db_interface["model"] = get_str(iface.get("virtual-interface"), "type", 12)
elif iface.get("virtual-interface").get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
db_interface["type"] = "data"
db_interface["model"] = get_str(iface.get("virtual-interface"), "type", 12)
flavor_epa_interface["dedicated"] = "no" if iface["virtual-interface"]["type"] == "SR-IOV" \
else "yes"
flavor_epa_interfaces.append(flavor_epa_interface)
else:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{}]':'vdu[{}]':'interface':'virtual"
"-interface':'type':'{}'. Interface type is not supported".format(
vnfd_id, vdu_id, iface.get("virtual-interface").get("type")),
httperrors.Bad_Request)
if iface.get("mgmt-interface"):
db_interface["type"] = "mgmt"
if iface.get("external-connection-point-ref"):
try:
cp = vnfd.get("connection-point")[iface.get("external-connection-point-ref")]
db_interface["external_name"] = get_str(cp, "name", 255)
cp_name2iface_uuid[db_interface["external_name"]] = iface_uuid
cp_name2vm_uuid[db_interface["external_name"]] = vm_uuid
cp_name2db_interface[db_interface["external_name"]] = db_interface
for cp_descriptor in vnfd_descriptor["connection-point"]:
if cp_descriptor["name"] == db_interface["external_name"]:
break
else:
raise KeyError()
if vdu_id in vdu_id2cp_name:
vdu_id2cp_name[vdu_id] = None # more than two connecdtion point for this VDU
else:
vdu_id2cp_name[vdu_id] = db_interface["external_name"]
# port security
if str(cp_descriptor.get("port-security-enabled")).lower() == "false":
db_interface["port_security"] = 0
elif str(cp_descriptor.get("port-security-enabled")).lower() == "true":
db_interface["port_security"] = 1
except KeyError:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{vnf}]':'vdu[{vdu}]':"
"'interface[{iface}]':'vnfd-connection-point-ref':'{cp}' is not present"
" at connection-point".format(
vnf=vnfd_id, vdu=vdu_id, iface=iface["name"],
cp=iface.get("vnfd-connection-point-ref")),
httperrors.Bad_Request)
elif iface.get("internal-connection-point-ref"):
try:
for icp_descriptor in vdu_descriptor["internal-connection-point"]:
if icp_descriptor["id"] == str(iface.get("internal-connection-point-ref")):
break
else:
raise KeyError("does not exist at vdu:internal-connection-point")
icp = None
icp_vld = None
for vld in vnfd.get("internal-vld").itervalues():
for cp in vld.get("internal-connection-point").itervalues():
if cp.get("id-ref") == iface.get("internal-connection-point-ref"):
if icp:
raise KeyError("is referenced by more than one 'internal-vld'")
icp = cp
icp_vld = vld
if not icp:
raise KeyError("is not referenced by any 'internal-vld'")
db_interface["net_id"] = net_id2uuid[icp_vld.get("id")]
if str(icp_descriptor.get("port-security-enabled")).lower() == "false":
db_interface["port_security"] = 0
elif str(icp_descriptor.get("port-security-enabled")).lower() == "true":
db_interface["port_security"] = 1
if icp.get("ip-address"):
if not icp_vld.get("ip-profile-ref"):
raise NfvoException
db_interface["ip_address"] = str(icp.get("ip-address"))
except KeyError as e:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{vnf}]':'vdu[{vdu}]':"
"'interface[{iface}]':'internal-connection-point-ref':'{cp}'"
" {msg}".format(
vnf=vnfd_id, vdu=vdu_id, iface=iface["name"],
cp=iface.get("internal-connection-point-ref"), msg=str(e)),
httperrors.Bad_Request)
if iface.get("position"):
db_interface["created_at"] = int(iface.get("position")) * 50
if iface.get("mac-address"):
db_interface["mac"] = str(iface.get("mac-address"))
db_interfaces.append(db_interface)
# table flavors
db_flavor = {
"name": get_str(vdu, "name", 250) + "-flv",
"vcpus": int(vdu["vm-flavor"].get("vcpu-count", 1)),
"ram": int(vdu["vm-flavor"].get("memory-mb", 1)),
"disk": int(vdu["vm-flavor"].get("storage-gb", 0)),
}
# TODO revise the case of several numa-node-policy node
extended = {}
numa = {}
if devices:
extended["devices"] = devices
if flavor_epa_interfaces:
numa["interfaces"] = flavor_epa_interfaces
if vdu.get("guest-epa"): # TODO or dedicated_int:
epa_vcpu_set = False
if vdu["guest-epa"].get("numa-node-policy"): # TODO or dedicated_int:
numa_node_policy = vdu["guest-epa"].get("numa-node-policy")
if numa_node_policy.get("node"):
numa_node = numa_node_policy["node"].values()[0]
if numa_node.get("num-cores"):
numa["cores"] = numa_node["num-cores"]
epa_vcpu_set = True
if numa_node.get("paired-threads"):
if numa_node["paired-threads"].get("num-paired-threads"):
numa["paired-threads"] = int(numa_node["paired-threads"]["num-paired-threads"])
epa_vcpu_set = True
if len(numa_node["paired-threads"].get("paired-thread-ids")):
numa["paired-threads-id"] = []
for pair in numa_node["paired-threads"]["paired-thread-ids"].itervalues():
numa["paired-threads-id"].append(
(str(pair["thread-a"]), str(pair["thread-b"]))
)
if numa_node.get("num-threads"):
numa["threads"] = int(numa_node["num-threads"])
epa_vcpu_set = True
if numa_node.get("memory-mb"):
numa["memory"] = max(int(numa_node["memory-mb"] / 1024), 1)
if vdu["guest-epa"].get("mempage-size"):
if vdu["guest-epa"]["mempage-size"] != "SMALL":
numa["memory"] = max(int(db_flavor["ram"] / 1024), 1)
if vdu["guest-epa"].get("cpu-pinning-policy") and not epa_vcpu_set:
if vdu["guest-epa"]["cpu-pinning-policy"] == "DEDICATED":
if vdu["guest-epa"].get("cpu-thread-pinning-policy") and \
vdu["guest-epa"]["cpu-thread-pinning-policy"] != "PREFER":
numa["cores"] = max(db_flavor["vcpus"], 1)
else:
numa["threads"] = max(db_flavor["vcpus"], 1)
if numa:
extended["numas"] = [numa]
if extended:
extended_text = yaml.safe_dump(extended, default_flow_style=True, width=256)
db_flavor["extended"] = extended_text
# look if flavor exist
temp_flavor_dict = {'disk': db_flavor.get('disk', 0),
'ram': db_flavor.get('ram'),
'vcpus': db_flavor.get('vcpus'),
'extended': db_flavor.get('extended')
}
existing_flavors = mydb.get_rows(FROM="flavors", WHERE=temp_flavor_dict)
if existing_flavors:
flavor_uuid = existing_flavors[0]["uuid"]
else:
flavor_uuid = str(uuid4())
uuid_list.append(flavor_uuid)
db_flavor["uuid"] = flavor_uuid
db_flavors.append(db_flavor)
db_vm["flavor_id"] = flavor_uuid
# VNF affinity and antiaffinity
for pg in vnfd.get("placement-groups").itervalues():
pg_name = get_str(pg, "name", 255)
for vdu in pg.get("member-vdus").itervalues():
vdu_id = get_str(vdu, "member-vdu-ref", 255)
if vdu_id not in vdu_id2db_table_index:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{vnf}]':'placement-groups[{pg}]':"
"'member-vdus':'{vdu}'. Reference to a non-existing vdu".format(
vnf=vnfd_id, pg=pg_name, vdu=vdu_id),
httperrors.Bad_Request)
if vdu_id2db_table_index[vdu_id]:
db_vms[vdu_id2db_table_index[vdu_id]]["availability_zone"] = pg_name
# TODO consider the case of isolation and not colocation
# if pg.get("strategy") == "ISOLATION":
# VNF mgmt configuration
mgmt_access = {}
if vnfd["mgmt-interface"].get("vdu-id"):
mgmt_vdu_id = get_str(vnfd["mgmt-interface"], "vdu-id", 255)
if mgmt_vdu_id not in vdu_id2uuid:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{vnf}]':'mgmt-interface':'vdu-id':"
"'{vdu}'. Reference to a non-existing vdu".format(
vnf=vnfd_id, vdu=mgmt_vdu_id),
httperrors.Bad_Request)
mgmt_access["vm_id"] = vdu_id2uuid[vnfd["mgmt-interface"]["vdu-id"]]
# if only one cp is defined by this VDU, mark this interface as of type "mgmt"
if vdu_id2cp_name.get(mgmt_vdu_id):
if cp_name2db_interface[vdu_id2cp_name[mgmt_vdu_id]]:
cp_name2db_interface[vdu_id2cp_name[mgmt_vdu_id]]["type"] = "mgmt"
if vnfd["mgmt-interface"].get("ip-address"):
mgmt_access["ip-address"] = str(vnfd["mgmt-interface"].get("ip-address"))
if vnfd["mgmt-interface"].get("cp"):
if vnfd["mgmt-interface"]["cp"] not in cp_name2iface_uuid:
raise NfvoException("Error. Invalid VNF descriptor at 'vnfd[{vnf}]':'mgmt-interface':'cp'['{cp}']. "
"Reference to a non-existing connection-point".format(
vnf=vnfd_id, cp=vnfd["mgmt-interface"]["cp"]),
httperrors.Bad_Request)
mgmt_access["vm_id"] = cp_name2vm_uuid[vnfd["mgmt-interface"]["cp"]]
mgmt_access["interface_id"] = cp_name2iface_uuid[vnfd["mgmt-interface"]["cp"]]
# mark this interface as of type mgmt
if cp_name2db_interface[vnfd["mgmt-interface"]["cp"]]:
cp_name2db_interface[vnfd["mgmt-interface"]["cp"]]["type"] = "mgmt"
default_user = get_str(vnfd.get("vnf-configuration", {}).get("config-access", {}).get("ssh-access", {}),
"default-user", 64)
if default_user:
mgmt_access["default_user"] = default_user
required = get_str(vnfd.get("vnf-configuration", {}).get("config-access", {}).get("ssh-access", {}),
"required", 6)
if required:
mgmt_access["required"] = required
if mgmt_access:
db_vnf["mgmt_access"] = yaml.safe_dump(mgmt_access, default_flow_style=True, width=256)
db_vnfs.append(db_vnf)
db_tables=[
{"vnfs": db_vnfs},
{"nets": db_nets},
{"images": db_images},
{"flavors": db_flavors},
{"ip_profiles": db_ip_profiles},
{"vms": db_vms},
{"interfaces": db_interfaces},
]
logger.debug("create_vnf Deployment done vnfDict: %s",
yaml.safe_dump(db_tables, indent=4, default_flow_style=False) )
mydb.new_rows(db_tables, uuid_list)
return vnfd_uuid_list
except NfvoException:
raise
except Exception as e:
logger.error("Exception {}".format(e))
raise # NfvoException("Exception {}".format(e), httperrors.Bad_Request)
@deprecated("Use new_vnfd_v3")
def new_vnf(mydb, tenant_id, vnf_descriptor):
global global_config
# Step 1. Check the VNF descriptor
check_vnf_descriptor(vnf_descriptor, vnf_descriptor_version=1)
# Step 2. Check tenant exist
vims = {}
if tenant_id != "any":
check_tenant(mydb, tenant_id)
if "tenant_id" in vnf_descriptor["vnf"]:
if vnf_descriptor["vnf"]["tenant_id"] != tenant_id:
raise NfvoException("VNF can not have a different tenant owner '{}', must be '{}'".format(vnf_descriptor["vnf"]["tenant_id"], tenant_id),
httperrors.Unauthorized)
else:
vnf_descriptor['vnf']['tenant_id'] = tenant_id
# Step 3. Get the URL of the VIM from the nfvo_tenant and the datacenter
if global_config["auto_push_VNF_to_VIMs"]:
vims = get_vim(mydb, tenant_id, ignore_errors=True)
# Step 4. Review the descriptor and add missing fields
#print vnf_descriptor
#logger.debug("Refactoring VNF descriptor with fields: description, public (default: true)")
vnf_name = vnf_descriptor['vnf']['name']
vnf_descriptor['vnf']['description'] = vnf_descriptor['vnf'].get("description", vnf_name)
if "physical" in vnf_descriptor['vnf']:
del vnf_descriptor['vnf']['physical']
#print vnf_descriptor
# Step 6. For each VNFC in the descriptor, flavors and images are created in the VIM
logger.debug('BEGIN creation of VNF "%s"' % vnf_name)
logger.debug("VNF %s: consisting of %d VNFC(s)" % (vnf_name,len(vnf_descriptor['vnf']['VNFC'])))
#For each VNFC, we add it to the VNFCDict and we create a flavor.
VNFCDict = {} # Dictionary, key: VNFC name, value: dict with the relevant information to create the VNF and VMs in the MANO database
rollback_list = [] # It will contain the new images created in mano. It is used for rollback
try:
logger.debug("Creating additional disk images and new flavors in the VIM for each VNFC")
for vnfc in vnf_descriptor['vnf']['VNFC']:
VNFCitem={}
VNFCitem["name"] = vnfc['name']
VNFCitem["availability_zone"] = vnfc.get('availability_zone')
VNFCitem["description"] = vnfc.get("description", 'VM %s of the VNF %s' %(vnfc['name'],vnf_name))
#print "Flavor name: %s. Description: %s" % (VNFCitem["name"]+"-flv", VNFCitem["description"])
myflavorDict = {}
myflavorDict["name"] = vnfc['name']+"-flv" #Maybe we could rename the flavor by using the field "image name" if exists
myflavorDict["description"] = VNFCitem["description"]
myflavorDict["ram"] = vnfc.get("ram", 0)
myflavorDict["vcpus"] = vnfc.get("vcpus", 0)
myflavorDict["disk"] = vnfc.get("disk", 0)
myflavorDict["extended"] = {}
devices = vnfc.get("devices")
if devices != None:
myflavorDict["extended"]["devices"] = devices
# TODO:
# Mapping from processor models to rankings should be available somehow in the NFVO. They could be taken from VIM or directly from a new database table
# Another option is that the processor in the VNF descriptor specifies directly the ranking of the host
# Previous code has been commented
#if vnfc['processor']['model'] == "Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz" :
# myflavorDict["flavor"]['extended']['processor_ranking'] = 200
#elif vnfc['processor']['model'] == "Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz" :
# myflavorDict["flavor"]['extended']['processor_ranking'] = 300
#else:
# result2, message = rollback(myvim, myvimURL, myvim_tenant, flavorList, imageList)
# if result2:
# print "Error creating flavor: unknown processor model. Rollback successful."
# return -httperrors.Bad_Request, "Error creating flavor: unknown processor model. Rollback successful."
# else:
# return -httperrors.Bad_Request, "Error creating flavor: unknown processor model. Rollback fail: you need to access VIM and delete the following %s" % message
myflavorDict['extended']['processor_ranking'] = 100 #Hardcoded value, while we decide when the mapping is done
if 'numas' in vnfc and len(vnfc['numas'])>0:
myflavorDict['extended']['numas'] = vnfc['numas']
#print myflavorDict
# Step 6.2 New flavors are created in the VIM
flavor_id = create_or_use_flavor(mydb, vims, myflavorDict, rollback_list)
#print "Flavor id for VNFC %s: %s" % (vnfc['name'],flavor_id)
VNFCitem["flavor_id"] = flavor_id
VNFCDict[vnfc['name']] = VNFCitem
logger.debug("Creating new images in the VIM for each VNFC")
# Step 6.3 New images are created in the VIM
#For each VNFC, we must create the appropriate image.
#This "for" loop might be integrated with the previous one
#In case this integration is made, the VNFCDict might become a VNFClist.
for vnfc in vnf_descriptor['vnf']['VNFC']:
#print "Image name: %s. Description: %s" % (vnfc['name']+"-img", VNFCDict[vnfc['name']]['description'])
image_dict={}
image_dict['name']=vnfc.get('image name',vnf_name+"-"+vnfc['name']+"-img")
image_dict['universal_name']=vnfc.get('image name')
image_dict['description']=vnfc.get('image name', VNFCDict[vnfc['name']]['description'])
image_dict['location']=vnfc.get('VNFC image')
#image_dict['new_location']=vnfc.get('image location')
image_dict['checksum']=vnfc.get('image checksum')
image_metadata_dict = vnfc.get('image metadata', None)
image_metadata_str = None
if image_metadata_dict is not None:
image_metadata_str = yaml.safe_dump(image_metadata_dict,default_flow_style=True,width=256)
image_dict['metadata']=image_metadata_str
#print "create_or_use_image", mydb, vims, image_dict, rollback_list
image_id = create_or_use_image(mydb, vims, image_dict, rollback_list)
#print "Image id for VNFC %s: %s" % (vnfc['name'],image_id)
VNFCDict[vnfc['name']]["image_id"] = image_id
VNFCDict[vnfc['name']]["image_path"] = vnfc.get('VNFC image')
VNFCDict[vnfc['name']]["count"] = vnfc.get('count', 1)
if vnfc.get("boot-data"):
VNFCDict[vnfc['name']]["boot_data"] = yaml.safe_dump(vnfc["boot-data"], default_flow_style=True, width=256)
# Step 7. Storing the VNF descriptor in the repository
if "descriptor" not in vnf_descriptor["vnf"]:
vnf_descriptor["vnf"]["descriptor"] = yaml.safe_dump(vnf_descriptor, indent=4, explicit_start=True, default_flow_style=False)
# Step 8. Adding the VNF to the NFVO DB
vnf_id = mydb.new_vnf_as_a_whole(tenant_id,vnf_name,vnf_descriptor,VNFCDict)
return vnf_id
except (db_base_Exception, vimconn.vimconnException, KeyError) as e:
_, message = rollback(mydb, vims, rollback_list)
if isinstance(e, db_base_Exception):
error_text = "Exception at database"
elif isinstance(e, KeyError):
error_text = "KeyError exception "
e.http_code = httperrors.Internal_Server_Error
else:
error_text = "Exception at VIM"
error_text += " {} {}. {}".format(type(e).__name__, str(e), message)
#logger.error("start_scenario %s", error_text)
raise NfvoException(error_text, e.http_code)
@deprecated("Use new_vnfd_v3")
def new_vnf_v02(mydb, tenant_id, vnf_descriptor):
global global_config
# Step 1. Check the VNF descriptor
check_vnf_descriptor(vnf_descriptor, vnf_descriptor_version=2)
# Step 2. Check tenant exist
vims = {}
if tenant_id != "any":
check_tenant(mydb, tenant_id)
if "tenant_id" in vnf_descriptor["vnf"]:
if vnf_descriptor["vnf"]["tenant_id"] != tenant_id:
raise NfvoException("VNF can not have a different tenant owner '{}', must be '{}'".format(vnf_descriptor["vnf"]["tenant_id"], tenant_id),
httperrors.Unauthorized)
else:
vnf_descriptor['vnf']['tenant_id'] = tenant_id
# Step 3. Get the URL of the VIM from the nfvo_tenant and the datacenter
if global_config["auto_push_VNF_to_VIMs"]:
vims = get_vim(mydb, tenant_id, ignore_errors=True)
# Step 4. Review the descriptor and add missing fields
#print vnf_descriptor
#logger.debug("Refactoring VNF descriptor with fields: description, public (default: true)")
vnf_name = vnf_descriptor['vnf']['name']
vnf_descriptor['vnf']['description'] = vnf_descriptor['vnf'].get("description", vnf_name)
if "physical" in vnf_descriptor['vnf']:
del vnf_descriptor['vnf']['physical']
#print vnf_descriptor
# Step 6. For each VNFC in the descriptor, flavors and images are created in the VIM
logger.debug('BEGIN creation of VNF "%s"' % vnf_name)
logger.debug("VNF %s: consisting of %d VNFC(s)" % (vnf_name,len(vnf_descriptor['vnf']['VNFC'])))
#For each VNFC, we add it to the VNFCDict and we create a flavor.
VNFCDict = {} # Dictionary, key: VNFC name, value: dict with the relevant information to create the VNF and VMs in the MANO database
rollback_list = [] # It will contain the new images created in mano. It is used for rollback
try:
logger.debug("Creating additional disk images and new flavors in the VIM for each VNFC")
for vnfc in vnf_descriptor['vnf']['VNFC']:
VNFCitem={}
VNFCitem["name"] = vnfc['name']
VNFCitem["description"] = vnfc.get("description", 'VM %s of the VNF %s' %(vnfc['name'],vnf_name))
#print "Flavor name: %s. Description: %s" % (VNFCitem["name"]+"-flv", VNFCitem["description"])
myflavorDict = {}
myflavorDict["name"] = vnfc['name']+"-flv" #Maybe we could rename the flavor by using the field "image name" if exists
myflavorDict["description"] = VNFCitem["description"]
myflavorDict["ram"] = vnfc.get("ram", 0)
myflavorDict["vcpus"] = vnfc.get("vcpus", 0)
myflavorDict["disk"] = vnfc.get("disk", 0)
myflavorDict["extended"] = {}
devices = vnfc.get("devices")
if devices != None:
myflavorDict["extended"]["devices"] = devices
# TODO:
# Mapping from processor models to rankings should be available somehow in the NFVO. They could be taken from VIM or directly from a new database table
# Another option is that the processor in the VNF descriptor specifies directly the ranking of the host
# Previous code has been commented
#if vnfc['processor']['model'] == "Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz" :
# myflavorDict["flavor"]['extended']['processor_ranking'] = 200
#elif vnfc['processor']['model'] == "Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz" :
# myflavorDict["flavor"]['extended']['processor_ranking'] = 300
#else:
# result2, message = rollback(myvim, myvimURL, myvim_tenant, flavorList, imageList)
# if result2:
# print "Error creating flavor: unknown processor model. Rollback successful."
# return -httperrors.Bad_Request, "Error creating flavor: unknown processor model. Rollback successful."
# else:
# return -httperrors.Bad_Request, "Error creating flavor: unknown processor model. Rollback fail: you need to access VIM and delete the following %s" % message
myflavorDict['extended']['processor_ranking'] = 100 #Hardcoded value, while we decide when the mapping is done
if 'numas' in vnfc and len(vnfc['numas'])>0:
myflavorDict['extended']['numas'] = vnfc['numas']
#print myflavorDict
# Step 6.2 New flavors are created in the VIM
flavor_id = create_or_use_flavor(mydb, vims, myflavorDict, rollback_list)
#print "Flavor id for VNFC %s: %s" % (vnfc['name'],flavor_id)
VNFCitem["flavor_id"] = flavor_id
VNFCDict[vnfc['name']] = VNFCitem
logger.debug("Creating new images in the VIM for each VNFC")
# Step 6.3 New images are created in the VIM
#For each VNFC, we must create the appropriate image.
#This "for" loop might be integrated with the previous one
#In case this integration is made, the VNFCDict might become a VNFClist.
for vnfc in vnf_descriptor['vnf']['VNFC']:
#print "Image name: %s. Description: %s" % (vnfc['name']+"-img", VNFCDict[vnfc['name']]['description'])
image_dict={}
image_dict['name']=vnfc.get('image name',vnf_name+"-"+vnfc['name']+"-img")
image_dict['universal_name']=vnfc.get('image name')
image_dict['description']=vnfc.get('image name', VNFCDict[vnfc['name']]['description'])
image_dict['location']=vnfc.get('VNFC image')
#image_dict['new_location']=vnfc.get('image location')
image_dict['checksum']=vnfc.get('image checksum')
image_metadata_dict = vnfc.get('image metadata', None)
image_metadata_str = None
if image_metadata_dict is not None:
image_metadata_str = yaml.safe_dump(image_metadata_dict,default_flow_style=True,width=256)
image_dict['metadata']=image_metadata_str
#print "create_or_use_image", mydb, vims, image_dict, rollback_list
image_id = create_or_use_image(mydb, vims, image_dict, rollback_list)
#print "Image id for VNFC %s: %s" % (vnfc['name'],image_id)
VNFCDict[vnfc['name']]["image_id"] = image_id
VNFCDict[vnfc['name']]["image_path"] = vnfc.get('VNFC image')
VNFCDict[vnfc['name']]["count"] = vnfc.get('count', 1)
if vnfc.get("boot-data"):
VNFCDict[vnfc['name']]["boot_data"] = yaml.safe_dump(vnfc["boot-data"], default_flow_style=True, width=256)
# Step 7. Storing the VNF descriptor in the repository
if "descriptor" not in vnf_descriptor["vnf"]:
vnf_descriptor["vnf"]["descriptor"] = yaml.safe_dump(vnf_descriptor, indent=4, explicit_start=True, default_flow_style=False)
# Step 8. Adding the VNF to the NFVO DB
vnf_id = mydb.new_vnf_as_a_whole2(tenant_id,vnf_name,vnf_descriptor,VNFCDict)
return vnf_id
except (db_base_Exception, vimconn.vimconnException, KeyError) as e:
_, message = rollback(mydb, vims, rollback_list)
if isinstance(e, db_base_Exception):
error_text = "Exception at database"
elif isinstance(e, KeyError):
error_text = "KeyError exception "
e.http_code = httperrors.Internal_Server_Error
else:
error_text = "Exception at VIM"
error_text += " {} {}. {}".format(type(e).__name__, str(e), message)
#logger.error("start_scenario %s", error_text)
raise NfvoException(error_text, e.http_code)
def get_vnf_id(mydb, tenant_id, vnf_id):
#check valid tenant_id
check_tenant(mydb, tenant_id)
#obtain data
where_or = {}
if tenant_id != "any":
where_or["tenant_id"] = tenant_id
where_or["public"] = True
vnf = mydb.get_table_by_uuid_name('vnfs', vnf_id, "VNF", WHERE_OR=where_or, WHERE_AND_OR="AND")
vnf_id = vnf["uuid"]
filter_keys = ('uuid', 'name', 'description', 'public', "tenant_id", "osm_id", "created_at")
filtered_content = dict( (k,v) for k,v in vnf.iteritems() if k in filter_keys )
#change_keys_http2db(filtered_content, http2db_vnf, reverse=True)
data={'vnf' : filtered_content}
#GET VM
content = mydb.get_rows(FROM='vnfs join vms on vnfs.uuid=vms.vnf_id',
SELECT=('vms.uuid as uuid', 'vms.osm_id as osm_id', 'vms.name as name', 'vms.description as description',
'boot_data'),
WHERE={'vnfs.uuid': vnf_id} )
if len(content) != 0:
#raise NfvoException("vnf '{}' not found".format(vnf_id), httperrors.Not_Found)
# change boot_data into boot-data
for vm in content:
if vm.get("boot_data"):
vm["boot-data"] = yaml.safe_load(vm["boot_data"])
del vm["boot_data"]
data['vnf']['VNFC'] = content
#TODO: GET all the information from a VNFC and include it in the output.
#GET NET
content = mydb.get_rows(FROM='vnfs join nets on vnfs.uuid=nets.vnf_id',
SELECT=('nets.uuid as uuid','nets.name as name','nets.description as description', 'nets.type as type', 'nets.multipoint as multipoint'),
WHERE={'vnfs.uuid': vnf_id} )
data['vnf']['nets'] = content
#GET ip-profile for each net
for net in data['vnf']['nets']:
ipprofiles = mydb.get_rows(FROM='ip_profiles',
SELECT=('ip_version','subnet_address','gateway_address','dns_address','dhcp_enabled','dhcp_start_address','dhcp_count'),
WHERE={'net_id': net["uuid"]} )
if len(ipprofiles)==1:
net["ip_profile"] = ipprofiles[0]
elif len(ipprofiles)>1:
raise NfvoException("More than one ip-profile found with this criteria: net_id='{}'".format(net['uuid']), httperrors.Bad_Request)
#TODO: For each net, GET its elements and relevant info per element (VNFC, iface, ip_address) and include them in the output.
#GET External Interfaces
content = mydb.get_rows(FROM='vnfs join vms on vnfs.uuid=vms.vnf_id join interfaces on vms.uuid=interfaces.vm_id',\
SELECT=('interfaces.uuid as uuid','interfaces.external_name as external_name', 'vms.name as vm_name', 'interfaces.vm_id as vm_id', \
'interfaces.internal_name as internal_name', 'interfaces.type as type', 'interfaces.vpci as vpci','interfaces.bw as bw'),\
WHERE={'vnfs.uuid': vnf_id, 'interfaces.external_name<>': None} )
#print content
data['vnf']['external-connections'] = content
return data
def delete_vnf(mydb,tenant_id,vnf_id,datacenter=None,vim_tenant=None):
# Check tenant exist
if tenant_id != "any":
check_tenant(mydb, tenant_id)
# Get the URL of the VIM from the nfvo_tenant and the datacenter
vims = get_vim(mydb, tenant_id, ignore_errors=True)
else:
vims={}
# Checking if it is a valid uuid and, if not, getting the uuid assuming that the name was provided"
where_or = {}
if tenant_id != "any":
where_or["tenant_id"] = tenant_id
where_or["public"] = True
vnf = mydb.get_table_by_uuid_name('vnfs', vnf_id, "VNF", WHERE_OR=where_or, WHERE_AND_OR="AND")
vnf_id = vnf["uuid"]
# "Getting the list of flavors and tenants of the VNF"
flavorList = get_flavorlist(mydb, vnf_id)
if len(flavorList)==0:
logger.warn("delete_vnf error. No flavors found for the VNF id '%s'", vnf_id)
imageList = get_imagelist(mydb, vnf_id)
if len(imageList)==0:
logger.warn( "delete_vnf error. No images found for the VNF id '%s'", vnf_id)
deleted = mydb.delete_row_by_id('vnfs', vnf_id)
if deleted == 0:
raise NfvoException("vnf '{}' not found".format(vnf_id), httperrors.Not_Found)
undeletedItems = []
for flavor in flavorList:
#check if flavor is used by other vnf
try:
c = mydb.get_rows(FROM='vms', WHERE={'flavor_id':flavor} )
if len(c) > 0:
logger.debug("Flavor '%s' not deleted because it is being used by another VNF", flavor)
continue
#flavor not used, must be deleted
#delelte at VIM
c = mydb.get_rows(FROM='datacenters_flavors', WHERE={'flavor_id': flavor})
for flavor_vim in c:
if not flavor_vim['created']: # skip this flavor because not created by openmano
continue
# look for vim
myvim = None
for vim in vims.values():
if vim["config"]["datacenter_tenant_id"] == flavor_vim["datacenter_vim_id"]:
myvim = vim
break
if not myvim:
continue
try:
myvim.delete_flavor(flavor_vim["vim_id"])
except vimconn.vimconnNotFoundException:
logger.warn("VIM flavor %s not exist at datacenter %s", flavor_vim["vim_id"],
flavor_vim["datacenter_vim_id"] )
except vimconn.vimconnException as e:
logger.error("Not possible to delete VIM flavor %s from datacenter %s: %s %s",
flavor_vim["vim_id"], flavor_vim["datacenter_vim_id"], type(e).__name__, str(e))
undeletedItems.append("flavor {} from VIM {}".format(flavor_vim["vim_id"],
flavor_vim["datacenter_vim_id"]))
# delete flavor from Database, using table flavors and with cascade foreign key also at datacenters_flavors
mydb.delete_row_by_id('flavors', flavor)
except db_base_Exception as e:
logger.error("delete_vnf_error. Not possible to get flavor details and delete '%s'. %s", flavor, str(e))
undeletedItems.append("flavor {}".format(flavor))
for image in imageList:
try:
#check if image is used by other vnf
c = mydb.get_rows(FROM='vms', WHERE=[{'image_id': image}, {'image_list LIKE ': '%' + image + '%'}])
if len(c) > 0:
logger.debug("Image '%s' not deleted because it is being used by another VNF", image)
continue
#image not used, must be deleted
#delelte at VIM
c = mydb.get_rows(FROM='datacenters_images', WHERE={'image_id':image})
for image_vim in c:
if image_vim["datacenter_vim_id"] not in vims: # TODO change to datacenter_tenant_id
continue
if image_vim['created']=='false': #skip this image because not created by openmano
continue
myvim=vims[ image_vim["datacenter_id"] ]
try:
myvim.delete_image(image_vim["vim_id"])
except vimconn.vimconnNotFoundException as e:
logger.warn("VIM image %s not exist at datacenter %s", image_vim["vim_id"], image_vim["datacenter_id"] )
except vimconn.vimconnException as e:
logger.error("Not possible to delete VIM image %s from datacenter %s: %s %s",
image_vim["vim_id"], image_vim["datacenter_id"], type(e).__name__, str(e))
undeletedItems.append("image {} from VIM {}".format(image_vim["vim_id"], image_vim["datacenter_id"] ))
#delete image from Database, using table images and with cascade foreign key also at datacenters_images
mydb.delete_row_by_id('images', image)
except db_base_Exception as e:
logger.error("delete_vnf_error. Not possible to get image details and delete '%s'. %s", image, str(e))
undeletedItems.append("image %s" % image)
return vnf_id + " " + vnf["name"]
#if undeletedItems:
# return "delete_vnf. Undeleted: %s" %(undeletedItems)
@deprecated("Not used")
def get_hosts_info(mydb, nfvo_tenant_id, datacenter_name=None):
result, vims = get_vim(mydb, nfvo_tenant_id, None, datacenter_name)
if result < 0:
return result, vims
elif result == 0:
return -httperrors.Not_Found, "datacenter '%s' not found" % datacenter_name
myvim = vims.values()[0]
result,servers = myvim.get_hosts_info()
if result < 0:
return result, servers
topology = {'name':myvim['name'] , 'servers': servers}
return result, topology
def get_hosts(mydb, nfvo_tenant_id):
vims = get_vim(mydb, nfvo_tenant_id)
if len(vims) == 0:
raise NfvoException("No datacenter found for tenant '{}'".format(str(nfvo_tenant_id)), httperrors.Not_Found)
elif len(vims)>1:
#print "nfvo.datacenter_action() error. Several datacenters found"
raise NfvoException("More than one datacenters found, try to identify with uuid", httperrors.Conflict)
myvim = vims.values()[0]
try:
hosts = myvim.get_hosts()
logger.debug('VIM hosts response: '+ yaml.safe_dump(hosts, indent=4, default_flow_style=False))
datacenter = {'Datacenters': [ {'name':myvim['name'],'servers':[]} ] }
for host in hosts:
server={'name':host['name'], 'vms':[]}
for vm in host['instances']:
#get internal name and model
try:
c = mydb.get_rows(SELECT=('name',), FROM='instance_vms as iv join vms on iv.vm_id=vms.uuid',\
WHERE={'vim_vm_id':vm['id']} )
if len(c) == 0:
logger.warn("nfvo.get_hosts virtual machine at VIM '{}' not found at tidnfvo".format(vm['id']))
continue
server['vms'].append( {'name':vm['name'] , 'model':c[0]['name']} )
except db_base_Exception as e:
logger.warn("nfvo.get_hosts virtual machine at VIM '{}' error {}".format(vm['id'], str(e)))
datacenter['Datacenters'][0]['servers'].append(server)
#return -400, "en construccion"
#print 'datacenters '+ json.dumps(datacenter, indent=4)
return datacenter
except vimconn.vimconnException as e:
raise NfvoException("Not possible to get_host_list from VIM: {}".format(str(e)), e.http_code)
@deprecated("Use new_nsd_v3")
def new_scenario(mydb, tenant_id, topo):
# result, vims = get_vim(mydb, tenant_id)
# if result < 0:
# return result, vims
#1: parse input
if tenant_id != "any":
check_tenant(mydb, tenant_id)
if "tenant_id" in topo:
if topo["tenant_id"] != tenant_id:
raise NfvoException("VNF can not have a different tenant owner '{}', must be '{}'".format(topo["tenant_id"], tenant_id),
httperrors.Unauthorized)
else:
tenant_id=None
#1.1: get VNFs and external_networks (other_nets).
vnfs={}
other_nets={} #external_networks, bridge_networks and data_networkds
nodes = topo['topology']['nodes']
for k in nodes.keys():
if nodes[k]['type'] == 'VNF':
vnfs[k] = nodes[k]
vnfs[k]['ifaces'] = {}
elif nodes[k]['type'] == 'other_network' or nodes[k]['type'] == 'external_network':
other_nets[k] = nodes[k]
other_nets[k]['external']=True
elif nodes[k]['type'] == 'network':
other_nets[k] = nodes[k]
other_nets[k]['external']=False
#1.2: Check that VNF are present at database table vnfs. Insert uuid, description and external interfaces
for name,vnf in vnfs.items():
where = {"OR": {"tenant_id": tenant_id, 'public': "true"}}
error_text = ""
error_pos = "'topology':'nodes':'" + name + "'"
if 'vnf_id' in vnf:
error_text += " 'vnf_id' " + vnf['vnf_id']
where['uuid'] = vnf['vnf_id']
if 'VNF model' in vnf:
error_text += " 'VNF model' " + vnf['VNF model']
where['name'] = vnf['VNF model']
if len(where) == 1:
raise NfvoException("Descriptor need a 'vnf_id' or 'VNF model' field at " + error_pos, httperrors.Bad_Request)
vnf_db = mydb.get_rows(SELECT=('uuid','name','description'),
FROM='vnfs',
WHERE=where)
if len(vnf_db)==0:
raise NfvoException("unknown" + error_text + " at " + error_pos, httperrors.Not_Found)
elif len(vnf_db)>1:
raise NfvoException("more than one" + error_text + " at " + error_pos + " Concrete with 'vnf_id'", httperrors.Conflict)
vnf['uuid']=vnf_db[0]['uuid']
vnf['description']=vnf_db[0]['description']
#get external interfaces
ext_ifaces = mydb.get_rows(SELECT=('external_name as name','i.uuid as iface_uuid', 'i.type as type'),
FROM='vnfs join vms on vnfs.uuid=vms.vnf_id join interfaces as i on vms.uuid=i.vm_id',
WHERE={'vnfs.uuid':vnf['uuid'], 'external_name<>': None} )
for ext_iface in ext_ifaces:
vnf['ifaces'][ ext_iface['name'] ] = {'uuid':ext_iface['iface_uuid'], 'type':ext_iface['type']}
#1.4 get list of connections
conections = topo['topology']['connections']
conections_list = []
conections_list_name = []
for k in conections.keys():
if type(conections[k]['nodes'])==dict: #dict with node:iface pairs
ifaces_list = conections[k]['nodes'].items()
elif type(conections[k]['nodes'])==list: #list with dictionary
ifaces_list=[]
conection_pair_list = map(lambda x: x.items(), conections[k]['nodes'] )
for k2 in conection_pair_list:
ifaces_list += k2
con_type = conections[k].get("type", "link")
if con_type != "link":
if k in other_nets:
raise NfvoException("Format error. Reapeted network name at 'topology':'connections':'{}'".format(str(k)), httperrors.Bad_Request)
other_nets[k] = {'external': False}
if conections[k].get("graph"):
other_nets[k]["graph"] = conections[k]["graph"]
ifaces_list.append( (k, None) )
if con_type == "external_network":
other_nets[k]['external'] = True
if conections[k].get("model"):
other_nets[k]["model"] = conections[k]["model"]
else:
other_nets[k]["model"] = k
if con_type == "dataplane_net" or con_type == "bridge_net":
other_nets[k]["model"] = con_type
conections_list_name.append(k)
conections_list.append(set(ifaces_list)) #from list to set to operate as a set (this conversion removes elements that are repeated in a list)
#print set(ifaces_list)
#check valid VNF and iface names
for iface in ifaces_list:
if iface[0] not in vnfs and iface[0] not in other_nets :
raise NfvoException("format error. Invalid VNF name at 'topology':'connections':'{}':'nodes':'{}'".format(
str(k), iface[0]), httperrors.Not_Found)
if iface[0] in vnfs and iface[1] not in vnfs[ iface[0] ]['ifaces']:
raise NfvoException("format error. Invalid interface name at 'topology':'connections':'{}':'nodes':'{}':'{}'".format(
str(k), iface[0], iface[1]), httperrors.Not_Found)
#1.5 unify connections from the pair list to a consolidated list
index=0
while index < len(conections_list):
index2 = index+1
while index2 < len(conections_list):
if len(conections_list[index] & conections_list[index2])>0: #common interface, join nets
conections_list[index] |= conections_list[index2]
del conections_list[index2]
del conections_list_name[index2]
else:
index2 += 1
conections_list[index] = list(conections_list[index]) # from set to list again
index += 1
#for k in conections_list:
# print k
#1.6 Delete non external nets
# for k in other_nets.keys():
# if other_nets[k]['model']=='bridge' or other_nets[k]['model']=='dataplane_net' or other_nets[k]['model']=='bridge_net':
# for con in conections_list:
# delete_indexes=[]
# for index in range(0,len(con)):
# if con[index][0] == k: delete_indexes.insert(0,index) #order from higher to lower
# for index in delete_indexes:
# del con[index]
# del other_nets[k]
#1.7: Check external_ports are present at database table datacenter_nets
for k,net in other_nets.items():
error_pos = "'topology':'nodes':'" + k + "'"
if net['external']==False:
if 'name' not in net:
net['name']=k
if 'model' not in net:
raise NfvoException("needed a 'model' at " + error_pos, httperrors.Bad_Request)
if net['model']=='bridge_net':
net['type']='bridge';
elif net['model']=='dataplane_net':
net['type']='data';
else:
raise NfvoException("unknown 'model' '"+ net['model'] +"' at " + error_pos, httperrors.Not_Found)
else: #external
#IF we do not want to check that external network exist at datacenter
pass
#ELSE
# error_text = ""
# WHERE_={}
# if 'net_id' in net:
# error_text += " 'net_id' " + net['net_id']
# WHERE_['uuid'] = net['net_id']
# if 'model' in net:
# error_text += " 'model' " + net['model']
# WHERE_['name'] = net['model']
# if len(WHERE_) == 0:
# return -httperrors.Bad_Request, "needed a 'net_id' or 'model' at " + error_pos
# r,net_db = mydb.get_table(SELECT=('uuid','name','description','type','shared'),
# FROM='datacenter_nets', WHERE=WHERE_ )
# if r<0:
# print "nfvo.new_scenario Error getting datacenter_nets",r,net_db
# elif r==0:
# print "nfvo.new_scenario Error" +error_text+ " is not present at database"
# return -httperrors.Bad_Request, "unknown " +error_text+ " at " + error_pos
# elif r>1:
# print "nfvo.new_scenario Error more than one external_network for " +error_text+ " is present at database"
# return -httperrors.Bad_Request, "more than one external_network for " +error_text+ "at "+ error_pos + " Concrete with 'net_id'"
# other_nets[k].update(net_db[0])
#ENDIF
net_list={}
net_nb=0 #Number of nets
for con in conections_list:
#check if this is connected to a external net
other_net_index=-1
#print
#print "con", con
for index in range(0,len(con)):
#check if this is connected to a external net
for net_key in other_nets.keys():
if con[index][0]==net_key:
if other_net_index>=0:
error_text="There is some interface connected both to net '%s' and net '%s'" % (con[other_net_index][0], net_key)
#print "nfvo.new_scenario " + error_text
raise NfvoException(error_text, httperrors.Bad_Request)
else:
other_net_index = index
net_target = net_key
break
#print "other_net_index", other_net_index
try:
if other_net_index>=0:
del con[other_net_index]
#IF we do not want to check that external network exist at datacenter
if other_nets[net_target]['external'] :
if "name" not in other_nets[net_target]:
other_nets[net_target]['name'] = other_nets[net_target]['model']
if other_nets[net_target]["type"] == "external_network":
if vnfs[ con[0][0] ]['ifaces'][ con[0][1] ]["type"] == "data":
other_nets[net_target]["type"] = "data"
else:
other_nets[net_target]["type"] = "bridge"
#ELSE
# if other_nets[net_target]['external'] :
# type_='data' if len(con)>1 else 'ptp' #an external net is connected to a external port, so it is ptp if only one connection is done to this net
# if type_=='data' and other_nets[net_target]['type']=="ptp":
# error_text = "Error connecting %d nodes on a not multipoint net %s" % (len(con), net_target)
# print "nfvo.new_scenario " + error_text
# return -httperrors.Bad_Request, error_text
#ENDIF
for iface in con:
vnfs[ iface[0] ]['ifaces'][ iface[1] ]['net_key'] = net_target
else:
#create a net
net_type_bridge=False
net_type_data=False
net_target = "__-__net"+str(net_nb)
net_list[net_target] = {'name': conections_list_name[net_nb], #"net-"+str(net_nb),
'description':"net-%s in scenario %s" %(net_nb,topo['name']),
'external':False}
for iface in con:
vnfs[ iface[0] ]['ifaces'][ iface[1] ]['net_key'] = net_target
iface_type = vnfs[ iface[0] ]['ifaces'][ iface[1] ]['type']
if iface_type=='mgmt' or iface_type=='bridge':
net_type_bridge = True
else:
net_type_data = True
if net_type_bridge and net_type_data:
error_text = "Error connection interfaces of bridge type with data type. Firs node %s, iface %s" % (iface[0], iface[1])
#print "nfvo.new_scenario " + error_text
raise NfvoException(error_text, httperrors.Bad_Request)
elif net_type_bridge:
type_='bridge'
else:
type_='data' if len(con)>2 else 'ptp'
net_list[net_target]['type'] = type_
net_nb+=1
except Exception:
error_text = "Error connection node %s : %s does not match any VNF or interface" % (iface[0], iface[1])
#print "nfvo.new_scenario " + error_text
#raise e
raise NfvoException(error_text, httperrors.Bad_Request)
#1.8: Connect to management net all not already connected interfaces of type 'mgmt'
#1.8.1 obtain management net
mgmt_net = mydb.get_rows(SELECT=('uuid','name','description','type','shared'),
FROM='datacenter_nets', WHERE={'name':'mgmt'} )
#1.8.2 check all interfaces from all vnfs
if len(mgmt_net)>0:
add_mgmt_net = False
for vnf in vnfs.values():
for iface in vnf['ifaces'].values():
if iface['type']=='mgmt' and 'net_key' not in iface:
#iface not connected
iface['net_key'] = 'mgmt'
add_mgmt_net = True
if add_mgmt_net and 'mgmt' not in net_list:
net_list['mgmt']=mgmt_net[0]
net_list['mgmt']['external']=True
net_list['mgmt']['graph']={'visible':False}
net_list.update(other_nets)
#print
#print 'net_list', net_list
#print
#print 'vnfs', vnfs
#print
#2: insert scenario. filling tables scenarios,sce_vnfs,sce_interfaces,sce_nets
c = mydb.new_scenario( { 'vnfs':vnfs, 'nets':net_list,
'tenant_id':tenant_id, 'name':topo['name'],
'description':topo.get('description',topo['name']),
'public': topo.get('public', False)
})
return c
@deprecated("Use new_nsd_v3")
def new_scenario_v02(mydb, tenant_id, scenario_dict, version):
""" This creates a new scenario for version 0.2 and 0.3"""
scenario = scenario_dict["scenario"]
if tenant_id != "any":
check_tenant(mydb, tenant_id)
if "tenant_id" in scenario:
if scenario["tenant_id"] != tenant_id:
# print "nfvo.new_scenario_v02() tenant '%s' not found" % tenant_id
raise NfvoException("VNF can not have a different tenant owner '{}', must be '{}'".format(
scenario["tenant_id"], tenant_id), httperrors.Unauthorized)
else:
tenant_id=None
# 1: Check that VNF are present at database table vnfs and update content into scenario dict
for name,vnf in scenario["vnfs"].iteritems():
where = {"OR": {"tenant_id": tenant_id, 'public': "true"}}
error_text = ""
error_pos = "'scenario':'vnfs':'" + name + "'"
if 'vnf_id' in vnf:
error_text += " 'vnf_id' " + vnf['vnf_id']
where['uuid'] = vnf['vnf_id']
if 'vnf_name' in vnf:
error_text += " 'vnf_name' " + vnf['vnf_name']
where['name'] = vnf['vnf_name']
if len(where) == 1:
raise NfvoException("Needed a 'vnf_id' or 'vnf_name' at " + error_pos, httperrors.Bad_Request)
vnf_db = mydb.get_rows(SELECT=('uuid', 'name', 'description'),
FROM='vnfs',
WHERE=where)
if len(vnf_db) == 0:
raise NfvoException("Unknown" + error_text + " at " + error_pos, httperrors.Not_Found)
elif len(vnf_db) > 1:
raise NfvoException("More than one" + error_text + " at " + error_pos + " Concrete with 'vnf_id'", httperrors.Conflict)
vnf['uuid'] = vnf_db[0]['uuid']
vnf['description'] = vnf_db[0]['description']
vnf['ifaces'] = {}
# get external interfaces
ext_ifaces = mydb.get_rows(SELECT=('external_name as name', 'i.uuid as iface_uuid', 'i.type as type'),
FROM='vnfs join vms on vnfs.uuid=vms.vnf_id join interfaces as i on vms.uuid=i.vm_id',
WHERE={'vnfs.uuid':vnf['uuid'], 'external_name<>': None} )
for ext_iface in ext_ifaces:
vnf['ifaces'][ ext_iface['name'] ] = {'uuid':ext_iface['iface_uuid'], 'type': ext_iface['type']}
# TODO? get internal-connections from db.nets and their profiles, and update scenario[vnfs][internal-connections] accordingly
# 2: Insert net_key and ip_address at every vnf interface
for net_name, net in scenario["networks"].items():
net_type_bridge = False
net_type_data = False
for iface_dict in net["interfaces"]:
if version == "0.2":
temp_dict = iface_dict
ip_address = None
elif version == "0.3":
temp_dict = {iface_dict["vnf"] : iface_dict["vnf_interface"]}
ip_address = iface_dict.get('ip_address', None)
for vnf, iface in temp_dict.items():
if vnf not in scenario["vnfs"]:
error_text = "Error at 'networks':'{}':'interfaces' VNF '{}' not match any VNF at 'vnfs'".format(
net_name, vnf)
# logger.debug("nfvo.new_scenario_v02 " + error_text)
raise NfvoException(error_text, httperrors.Not_Found)
if iface not in scenario["vnfs"][vnf]['ifaces']:
error_text = "Error at 'networks':'{}':'interfaces':'{}' interface not match any VNF interface"\
.format(net_name, iface)
# logger.debug("nfvo.new_scenario_v02 " + error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
if "net_key" in scenario["vnfs"][vnf]['ifaces'][iface]:
error_text = "Error at 'networks':'{}':'interfaces':'{}' interface already connected at network"\
"'{}'".format(net_name, iface,scenario["vnfs"][vnf]['ifaces'][iface]['net_key'])
# logger.debug("nfvo.new_scenario_v02 " + error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
scenario["vnfs"][vnf]['ifaces'][ iface ]['net_key'] = net_name
scenario["vnfs"][vnf]['ifaces'][iface]['ip_address'] = ip_address
iface_type = scenario["vnfs"][vnf]['ifaces'][iface]['type']
if iface_type == 'mgmt' or iface_type == 'bridge':
net_type_bridge = True
else:
net_type_data = True
if net_type_bridge and net_type_data:
error_text = "Error connection interfaces of 'bridge' type and 'data' type at 'networks':'{}':'interfaces'"\
.format(net_name)
# logger.debug("nfvo.new_scenario " + error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
elif net_type_bridge:
type_ = 'bridge'
else:
type_ = 'data' if len(net["interfaces"]) > 2 else 'ptp'
if net.get("implementation"): # for v0.3
if type_ == "bridge" and net["implementation"] == "underlay":
error_text = "Error connecting interfaces of data type to a network declared as 'underlay' at "\
"'network':'{}'".format(net_name)
# logger.debug(error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
elif type_ != "bridge" and net["implementation"] == "overlay":
error_text = "Error connecting interfaces of data type to a network declared as 'overlay' at "\
"'network':'{}'".format(net_name)
# logger.debug(error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
net.pop("implementation")
if "type" in net and version == "0.3": # for v0.3
if type_ == "data" and net["type"] == "e-line":
error_text = "Error connecting more than 2 interfaces of data type to a network declared as type "\
"'e-line' at 'network':'{}'".format(net_name)
# logger.debug(error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
elif type_ == "ptp" and net["type"] == "e-lan":
type_ = "data"
net['type'] = type_
net['name'] = net_name
net['external'] = net.get('external', False)
# 3: insert at database
scenario["nets"] = scenario["networks"]
scenario['tenant_id'] = tenant_id
scenario_id = mydb.new_scenario(scenario)
return scenario_id
def new_nsd_v3(mydb, tenant_id, nsd_descriptor):
"""
Parses an OSM IM nsd_catalog and insert at DB
:param mydb:
:param tenant_id:
:param nsd_descriptor:
:return: The list of created NSD ids
"""
try:
mynsd = nsd_catalog.nsd()
try:
pybindJSONDecoder.load_ietf_json(nsd_descriptor, None, None, obj=mynsd)
except Exception as e:
raise NfvoException("Error. Invalid NS descriptor format: " + str(e), httperrors.Bad_Request)
db_scenarios = []
db_sce_nets = []
db_sce_vnfs = []
db_sce_interfaces = []
db_sce_vnffgs = []
db_sce_rsps = []
db_sce_rsp_hops = []
db_sce_classifiers = []
db_sce_classifier_matches = []
db_ip_profiles = []
db_ip_profiles_index = 0
uuid_list = []
nsd_uuid_list = []
for nsd_yang in mynsd.nsd_catalog.nsd.itervalues():
nsd = nsd_yang.get()
# table scenarios
scenario_uuid = str(uuid4())
uuid_list.append(scenario_uuid)
nsd_uuid_list.append(scenario_uuid)
db_scenario = {
"uuid": scenario_uuid,
"osm_id": get_str(nsd, "id", 255),
"name": get_str(nsd, "name", 255),
"description": get_str(nsd, "description", 255),
"tenant_id": tenant_id,
"vendor": get_str(nsd, "vendor", 255),
"short_name": get_str(nsd, "short-name", 255),
"descriptor": str(nsd_descriptor)[:60000],
}
db_scenarios.append(db_scenario)
# table sce_vnfs (constituent-vnfd)
vnf_index2scevnf_uuid = {}
vnf_index2vnf_uuid = {}
for vnf in nsd.get("constituent-vnfd").itervalues():
existing_vnf = mydb.get_rows(FROM="vnfs", WHERE={'osm_id': str(vnf["vnfd-id-ref"])[:255],
'tenant_id': tenant_id})
if not existing_vnf:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'constituent-vnfd':'vnfd-id-ref':"
"'{}'. Reference to a non-existing VNFD in the catalog".format(
str(nsd["id"]), str(vnf["vnfd-id-ref"])[:255]),
httperrors.Bad_Request)
sce_vnf_uuid = str(uuid4())
uuid_list.append(sce_vnf_uuid)
db_sce_vnf = {
"uuid": sce_vnf_uuid,
"scenario_id": scenario_uuid,
# "name": get_str(vnf, "member-vnf-index", 255),
"name": existing_vnf[0]["name"][:200] + "." + get_str(vnf, "member-vnf-index", 50),
"vnf_id": existing_vnf[0]["uuid"],
"member_vnf_index": str(vnf["member-vnf-index"]),
# TODO 'start-by-default': True
}
vnf_index2scevnf_uuid[str(vnf['member-vnf-index'])] = sce_vnf_uuid
vnf_index2vnf_uuid[str(vnf['member-vnf-index'])] = existing_vnf[0]["uuid"]
db_sce_vnfs.append(db_sce_vnf)
# table ip_profiles (ip-profiles)
ip_profile_name2db_table_index = {}
for ip_profile in nsd.get("ip-profiles").itervalues():
db_ip_profile = {
"ip_version": str(ip_profile["ip-profile-params"].get("ip-version", "ipv4")),
"subnet_address": str(ip_profile["ip-profile-params"].get("subnet-address")),
"gateway_address": str(ip_profile["ip-profile-params"].get("gateway-address")),
"dhcp_enabled": str(ip_profile["ip-profile-params"]["dhcp-params"].get("enabled", True)),
"dhcp_start_address": str(ip_profile["ip-profile-params"]["dhcp-params"].get("start-address")),
"dhcp_count": str(ip_profile["ip-profile-params"]["dhcp-params"].get("count")),
}
dns_list = []
for dns in ip_profile["ip-profile-params"]["dns-server"].itervalues():
dns_list.append(str(dns.get("address")))
db_ip_profile["dns_address"] = ";".join(dns_list)
if ip_profile["ip-profile-params"].get('security-group'):
db_ip_profile["security_group"] = ip_profile["ip-profile-params"]['security-group']
ip_profile_name2db_table_index[str(ip_profile["name"])] = db_ip_profiles_index
db_ip_profiles_index += 1
db_ip_profiles.append(db_ip_profile)
# table sce_nets (internal-vld)
for vld in nsd.get("vld").itervalues():
sce_net_uuid = str(uuid4())
uuid_list.append(sce_net_uuid)
db_sce_net = {
"uuid": sce_net_uuid,
"name": get_str(vld, "name", 255),
"scenario_id": scenario_uuid,
# "type": #TODO
"multipoint": not vld.get("type") == "ELINE",
"osm_id": get_str(vld, "id", 255),
# "external": #TODO
"description": get_str(vld, "description", 255),
}
# guess type of network
if vld.get("mgmt-network"):
db_sce_net["type"] = "bridge"
db_sce_net["external"] = True
elif vld.get("provider-network").get("overlay-type") == "VLAN":
db_sce_net["type"] = "data"
else:
# later on it will be fixed to bridge or data depending on the type of interfaces attached to it
db_sce_net["type"] = None
db_sce_nets.append(db_sce_net)
# ip-profile, link db_ip_profile with db_sce_net
if vld.get("ip-profile-ref"):
ip_profile_name = vld.get("ip-profile-ref")
if ip_profile_name not in ip_profile_name2db_table_index:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'vld[{}]':'ip-profile-ref':'{}'."
" Reference to a non-existing 'ip_profiles'".format(
str(nsd["id"]), str(vld["id"]), str(vld["ip-profile-ref"])),
httperrors.Bad_Request)
db_ip_profiles[ip_profile_name2db_table_index[ip_profile_name]]["sce_net_id"] = sce_net_uuid
elif vld.get("vim-network-name"):
db_sce_net["vim_network_name"] = get_str(vld, "vim-network-name", 255)
# table sce_interfaces (vld:vnfd-connection-point-ref)
for iface in vld.get("vnfd-connection-point-ref").itervalues():
vnf_index = str(iface['member-vnf-index-ref'])
# check correct parameters
if vnf_index not in vnf_index2vnf_uuid:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'vld[{}]':'vnfd-connection-point"
"-ref':'member-vnf-index-ref':'{}'. Reference to a non-existing index at "
"'nsd':'constituent-vnfd'".format(
str(nsd["id"]), str(vld["id"]), str(iface["member-vnf-index-ref"])),
httperrors.Bad_Request)
existing_ifaces = mydb.get_rows(SELECT=('i.uuid as uuid', 'i.type as iface_type'),
FROM="interfaces as i join vms on i.vm_id=vms.uuid",
WHERE={'vnf_id': vnf_index2vnf_uuid[vnf_index],
'external_name': get_str(iface, "vnfd-connection-point-ref",
255)})
if not existing_ifaces:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'vld[{}]':'vnfd-connection-point"
"-ref':'vnfd-connection-point-ref':'{}'. Reference to a non-existing "
"connection-point name at VNFD '{}'".format(
str(nsd["id"]), str(vld["id"]), str(iface["vnfd-connection-point-ref"]),
str(iface.get("vnfd-id-ref"))[:255]),
httperrors.Bad_Request)
interface_uuid = existing_ifaces[0]["uuid"]
if existing_ifaces[0]["iface_type"] == "data":
db_sce_net["type"] = "data"
sce_interface_uuid = str(uuid4())
uuid_list.append(sce_net_uuid)
iface_ip_address = None
if iface.get("ip-address"):
iface_ip_address = str(iface.get("ip-address"))
db_sce_interface = {
"uuid": sce_interface_uuid,
"sce_vnf_id": vnf_index2scevnf_uuid[vnf_index],
"sce_net_id": sce_net_uuid,
"interface_id": interface_uuid,
"ip_address": iface_ip_address,
}
db_sce_interfaces.append(db_sce_interface)
if not db_sce_net["type"]:
db_sce_net["type"] = "bridge"
# table sce_vnffgs (vnffgd)
for vnffg in nsd.get("vnffgd").itervalues():
sce_vnffg_uuid = str(uuid4())
uuid_list.append(sce_vnffg_uuid)
db_sce_vnffg = {
"uuid": sce_vnffg_uuid,
"name": get_str(vnffg, "name", 255),
"scenario_id": scenario_uuid,
"vendor": get_str(vnffg, "vendor", 255),
"description": get_str(vld, "description", 255),
}
db_sce_vnffgs.append(db_sce_vnffg)
# deal with rsps
db_sce_rsps = []
for rsp in vnffg.get("rsp").itervalues():
sce_rsp_uuid = str(uuid4())
uuid_list.append(sce_rsp_uuid)
db_sce_rsp = {
"uuid": sce_rsp_uuid,
"name": get_str(rsp, "name", 255),
"sce_vnffg_id": sce_vnffg_uuid,
"id": get_str(rsp, "id", 255), # only useful to link with classifiers; will be removed later in the code
}
db_sce_rsps.append(db_sce_rsp)
db_sce_rsp_hops = []
for iface in rsp.get("vnfd-connection-point-ref").itervalues():
vnf_index = str(iface['member-vnf-index-ref'])
if_order = int(iface['order'])
# check correct parameters
if vnf_index not in vnf_index2vnf_uuid:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'rsp[{}]':'vnfd-connection-point"
"-ref':'member-vnf-index-ref':'{}'. Reference to a non-existing index at "
"'nsd':'constituent-vnfd'".format(
str(nsd["id"]), str(rsp["id"]), str(iface["member-vnf-index-ref"])),
httperrors.Bad_Request)
ingress_existing_ifaces = mydb.get_rows(SELECT=('i.uuid as uuid',),
FROM="interfaces as i join vms on i.vm_id=vms.uuid",
WHERE={
'vnf_id': vnf_index2vnf_uuid[vnf_index],
'external_name': get_str(iface, "vnfd-ingress-connection-point-ref",
255)})
if not ingress_existing_ifaces:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'rsp[{}]':'vnfd-connection-point"
"-ref':'vnfd-ingress-connection-point-ref':'{}'. Reference to a non-existing "
"connection-point name at VNFD '{}'".format(
str(nsd["id"]), str(rsp["id"]), str(iface["vnfd-ingress-connection-point-ref"]),
str(iface.get("vnfd-id-ref"))[:255]), httperrors.Bad_Request)
egress_existing_ifaces = mydb.get_rows(SELECT=('i.uuid as uuid',),
FROM="interfaces as i join vms on i.vm_id=vms.uuid",
WHERE={
'vnf_id': vnf_index2vnf_uuid[vnf_index],
'external_name': get_str(iface, "vnfd-egress-connection-point-ref",
255)})
if not egress_existing_ifaces:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'rsp[{}]':'vnfd-connection-point"
"-ref':'vnfd-egress-connection-point-ref':'{}'. Reference to a non-existing "
"connection-point name at VNFD '{}'".format(
str(nsd["id"]), str(rsp["id"]), str(iface["vnfd-egress-connection-point-ref"]),
str(iface.get("vnfd-id-ref"))[:255]), HTTP_Bad_Request)
ingress_interface_uuid = ingress_existing_ifaces[0]["uuid"]
egress_interface_uuid = egress_existing_ifaces[0]["uuid"]
sce_rsp_hop_uuid = str(uuid4())
uuid_list.append(sce_rsp_hop_uuid)
db_sce_rsp_hop = {
"uuid": sce_rsp_hop_uuid,
"if_order": if_order,
"ingress_interface_id": ingress_interface_uuid,
"egress_interface_id": egress_interface_uuid,
"sce_vnf_id": vnf_index2scevnf_uuid[vnf_index],
"sce_rsp_id": sce_rsp_uuid,
}
db_sce_rsp_hops.append(db_sce_rsp_hop)
# deal with classifiers
db_sce_classifiers = []
for classifier in vnffg.get("classifier").itervalues():
sce_classifier_uuid = str(uuid4())
uuid_list.append(sce_classifier_uuid)
# source VNF
vnf_index = str(classifier['member-vnf-index-ref'])
if vnf_index not in vnf_index2vnf_uuid:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'classifier[{}]':'vnfd-connection-point"
"-ref':'member-vnf-index-ref':'{}'. Reference to a non-existing index at "
"'nsd':'constituent-vnfd'".format(
str(nsd["id"]), str(classifier["id"]), str(classifier["member-vnf-index-ref"])),
httperrors.Bad_Request)
existing_ifaces = mydb.get_rows(SELECT=('i.uuid as uuid',),
FROM="interfaces as i join vms on i.vm_id=vms.uuid",
WHERE={'vnf_id': vnf_index2vnf_uuid[vnf_index],
'external_name': get_str(classifier, "vnfd-connection-point-ref",
255)})
if not existing_ifaces:
raise NfvoException("Error. Invalid NS descriptor at 'nsd[{}]':'rsp[{}]':'vnfd-connection-point"
"-ref':'vnfd-connection-point-ref':'{}'. Reference to a non-existing "
"connection-point name at VNFD '{}'".format(
str(nsd["id"]), str(rsp["id"]), str(iface["vnfd-connection-point-ref"]),
str(iface.get("vnfd-id-ref"))[:255]),
httperrors.Bad_Request)
interface_uuid = existing_ifaces[0]["uuid"]
db_sce_classifier = {
"uuid": sce_classifier_uuid,
"name": get_str(classifier, "name", 255),
"sce_vnffg_id": sce_vnffg_uuid,
"sce_vnf_id": vnf_index2scevnf_uuid[vnf_index],
"interface_id": interface_uuid,
}
rsp_id = get_str(classifier, "rsp-id-ref", 255)
rsp = next((item for item in db_sce_rsps if item["id"] == rsp_id), None)
db_sce_classifier["sce_rsp_id"] = rsp["uuid"]
db_sce_classifiers.append(db_sce_classifier)
db_sce_classifier_matches = []
for match in classifier.get("match-attributes").itervalues():
sce_classifier_match_uuid = str(uuid4())
uuid_list.append(sce_classifier_match_uuid)
db_sce_classifier_match = {
"uuid": sce_classifier_match_uuid,
"ip_proto": get_str(match, "ip-proto", 2),
"source_ip": get_str(match, "source-ip-address", 16),
"destination_ip": get_str(match, "destination-ip-address", 16),
"source_port": get_str(match, "source-port", 5),
"destination_port": get_str(match, "destination-port", 5),
"sce_classifier_id": sce_classifier_uuid,
}
db_sce_classifier_matches.append(db_sce_classifier_match)
# TODO: vnf/cp keys
# remove unneeded id's in sce_rsps
for rsp in db_sce_rsps:
rsp.pop('id')
db_tables = [
{"scenarios": db_scenarios},
{"sce_nets": db_sce_nets},
{"ip_profiles": db_ip_profiles},
{"sce_vnfs": db_sce_vnfs},
{"sce_interfaces": db_sce_interfaces},
{"sce_vnffgs": db_sce_vnffgs},
{"sce_rsps": db_sce_rsps},
{"sce_rsp_hops": db_sce_rsp_hops},
{"sce_classifiers": db_sce_classifiers},
{"sce_classifier_matches": db_sce_classifier_matches},
]
logger.debug("new_nsd_v3 done: %s",
yaml.safe_dump(db_tables, indent=4, default_flow_style=False) )
mydb.new_rows(db_tables, uuid_list)
return nsd_uuid_list
except NfvoException:
raise
except Exception as e:
logger.error("Exception {}".format(e))
raise # NfvoException("Exception {}".format(e), httperrors.Bad_Request)
def edit_scenario(mydb, tenant_id, scenario_id, data):
data["uuid"] = scenario_id
data["tenant_id"] = tenant_id
c = mydb.edit_scenario( data )
return c
@deprecated("Use create_instance")
def start_scenario(mydb, tenant_id, scenario_id, instance_scenario_name, instance_scenario_description, datacenter=None,vim_tenant=None, startvms=True):
#print "Checking that nfvo_tenant_id exists and getting the VIM URI and the VIM tenant_id"
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter, vim_tenant=vim_tenant)
vims = {datacenter_id: myvim}
myvim_tenant = myvim['tenant_id']
datacenter_name = myvim['name']
rollbackList=[]
try:
#print "Checking that the scenario_id exists and getting the scenario dictionary"
scenarioDict = mydb.get_scenario(scenario_id, tenant_id, datacenter_id=datacenter_id)
scenarioDict['datacenter2tenant'] = { datacenter_id: myvim['config']['datacenter_tenant_id'] }
scenarioDict['datacenter_id'] = datacenter_id
#print '================scenarioDict======================='
#print json.dumps(scenarioDict, indent=4)
#print 'BEGIN launching instance scenario "%s" based on "%s"' % (instance_scenario_name,scenarioDict['name'])
logger.debug("start_scenario Scenario %s: consisting of %d VNF(s)", scenarioDict['name'],len(scenarioDict['vnfs']))
#print yaml.safe_dump(scenarioDict, indent=4, default_flow_style=False)
auxNetDict = {} #Auxiliar dictionary. First key:'scenario' or sce_vnf uuid. Second Key: uuid of the net/sce_net. Value: vim_net_id
auxNetDict['scenario'] = {}
logger.debug("start_scenario 1. Creating new nets (sce_nets) in the VIM")
for sce_net in scenarioDict['nets']:
#print "Net name: %s. Description: %s" % (sce_net["name"], sce_net["description"])
myNetName = "%s.%s" % (instance_scenario_name, sce_net['name'])
myNetName = myNetName[0:255] #limit length
myNetType = sce_net['type']
myNetDict = {}
myNetDict["name"] = myNetName
myNetDict["type"] = myNetType
myNetDict["tenant_id"] = myvim_tenant
myNetIPProfile = sce_net.get('ip_profile', None)
#TODO:
#We should use the dictionary as input parameter for new_network
#print myNetDict
if not sce_net["external"]:
network_id, _ = myvim.new_network(myNetName, myNetType, myNetIPProfile)
#print "New VIM network created for scenario %s. Network id: %s" % (scenarioDict['name'],network_id)
sce_net['vim_id'] = network_id
auxNetDict['scenario'][sce_net['uuid']] = network_id
rollbackList.append({'what':'network','where':'vim','vim_id':datacenter_id,'uuid':network_id})
sce_net["created"] = True
else:
if sce_net['vim_id'] == None:
error_text = "Error, datacenter '%s' does not have external network '%s'." % (datacenter_name, sce_net['name'])
_, message = rollback(mydb, vims, rollbackList)
logger.error("nfvo.start_scenario: %s", error_text)
raise NfvoException(error_text, httperrors.Bad_Request)
logger.debug("Using existent VIM network for scenario %s. Network id %s", scenarioDict['name'],sce_net['vim_id'])
auxNetDict['scenario'][sce_net['uuid']] = sce_net['vim_id']
logger.debug("start_scenario 2. Creating new nets (vnf internal nets) in the VIM")
#For each vnf net, we create it and we add it to instanceNetlist.
for sce_vnf in scenarioDict['vnfs']:
for net in sce_vnf['nets']:
#print "Net name: %s. Description: %s" % (net["name"], net["description"])
myNetName = "%s.%s" % (instance_scenario_name,net['name'])
myNetName = myNetName[0:255] #limit length
myNetType = net['type']
myNetDict = {}
myNetDict["name"] = myNetName
myNetDict["type"] = myNetType
myNetDict["tenant_id"] = myvim_tenant
myNetIPProfile = net.get('ip_profile', None)
#print myNetDict
#TODO:
#We should use the dictionary as input parameter for new_network
network_id, _ = myvim.new_network(myNetName, myNetType, myNetIPProfile)
#print "VIM network id for scenario %s: %s" % (scenarioDict['name'],network_id)
net['vim_id'] = network_id
if sce_vnf['uuid'] not in auxNetDict:
auxNetDict[sce_vnf['uuid']] = {}
auxNetDict[sce_vnf['uuid']][net['uuid']] = network_id
rollbackList.append({'what':'network','where':'vim','vim_id':datacenter_id,'uuid':network_id})
net["created"] = True
#print "auxNetDict:"
#print yaml.safe_dump(auxNetDict, indent=4, default_flow_style=False)
logger.debug("start_scenario 3. Creating new vm instances in the VIM")
#myvim.new_vminstance(self,vimURI,tenant_id,name,description,image_id,flavor_id,net_dict)
i = 0
for sce_vnf in scenarioDict['vnfs']:
vnf_availability_zones = []
for vm in sce_vnf['vms']:
vm_av = vm.get('availability_zone')
if vm_av and vm_av not in vnf_availability_zones:
vnf_availability_zones.append(vm_av)
# check if there is enough availability zones available at vim level.
if myvims[datacenter_id].availability_zone and vnf_availability_zones:
if len(vnf_availability_zones) > len(myvims[datacenter_id].availability_zone):
raise NfvoException('No enough availability zones at VIM for this deployment', httperrors.Bad_Request)
for vm in sce_vnf['vms']:
i += 1
myVMDict = {}
#myVMDict['name'] = "%s-%s-%s" % (scenarioDict['name'],sce_vnf['name'], vm['name'])
myVMDict['name'] = "{}.{}.{}".format(instance_scenario_name,sce_vnf['name'],chr(96+i))
#myVMDict['description'] = vm['description']
myVMDict['description'] = myVMDict['name'][0:99]
if not startvms:
myVMDict['start'] = "no"
myVMDict['name'] = myVMDict['name'][0:255] #limit name length
#print "VM name: %s. Description: %s" % (myVMDict['name'], myVMDict['name'])
#create image at vim in case it not exist
image_dict = mydb.get_table_by_uuid_name("images", vm['image_id'])
image_id = create_or_use_image(mydb, vims, image_dict, [], True)
vm['vim_image_id'] = image_id
#create flavor at vim in case it not exist
flavor_dict = mydb.get_table_by_uuid_name("flavors", vm['flavor_id'])
if flavor_dict['extended']!=None:
flavor_dict['extended']= yaml.load(flavor_dict['extended'])
flavor_id = create_or_use_flavor(mydb, vims, flavor_dict, [], True)
vm['vim_flavor_id'] = flavor_id
myVMDict['imageRef'] = vm['vim_image_id']
myVMDict['flavorRef'] = vm['vim_flavor_id']
myVMDict['networks'] = []
for iface in vm['interfaces']:
netDict = {}
if iface['type']=="data":
netDict['type'] = iface['model']
elif "model" in iface and iface["model"]!=None:
netDict['model']=iface['model']
#TODO in future, remove this because mac_address will not be set, and the type of PV,VF is obtained from iterface table model
#discover type of interface looking at flavor
for numa in flavor_dict.get('extended',{}).get('numas',[]):
for flavor_iface in numa.get('interfaces',[]):
if flavor_iface.get('name') == iface['internal_name']:
if flavor_iface['dedicated'] == 'yes':
netDict['type']="PF" #passthrough
elif flavor_iface['dedicated'] == 'no':
netDict['type']="VF" #siov
elif flavor_iface['dedicated'] == 'yes:sriov':
netDict['type']="VFnotShared" #sriov but only one sriov on the PF
netDict["mac_address"] = flavor_iface.get("mac_address")
break;
netDict["use"]=iface['type']
if netDict["use"]=="data" and not netDict.get("type"):
#print "netDict", netDict
#print "iface", iface
e_text = "Cannot determine the interface type PF or VF of VNF '%s' VM '%s' iface '%s'" %(sce_vnf['name'], vm['name'], iface['internal_name'])
if flavor_dict.get('extended')==None:
raise NfvoException(e_text + "After database migration some information is not available. \
Try to delete and create the scenarios and VNFs again", httperrors.Conflict)
else:
raise NfvoException(e_text, httperrors.Internal_Server_Error)
if netDict["use"]=="mgmt" or netDict["use"]=="bridge":
netDict["type"]="virtual"
if "vpci" in iface and iface["vpci"] is not None:
netDict['vpci'] = iface['vpci']
if "mac" in iface and iface["mac"] is not None:
netDict['mac_address'] = iface['mac']
if "port-security" in iface and iface["port-security"] is not None:
netDict['port_security'] = iface['port-security']
if "floating-ip" in iface and iface["floating-ip"] is not None:
netDict['floating_ip'] = iface['floating-ip']
netDict['name'] = iface['internal_name']
if iface['net_id'] is None:
for vnf_iface in sce_vnf["interfaces"]:
#print iface
#print vnf_iface
if vnf_iface['interface_id']==iface['uuid']:
netDict['net_id'] = auxNetDict['scenario'][ vnf_iface['sce_net_id'] ]
break
else:
netDict['net_id'] = auxNetDict[ sce_vnf['uuid'] ][ iface['net_id'] ]
#skip bridge ifaces not connected to any net
#if 'net_id' not in netDict or netDict['net_id']==None:
# continue
myVMDict['networks'].append(netDict)
#print ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
#print myVMDict['name']
#print "networks", yaml.safe_dump(myVMDict['networks'], indent=4, default_flow_style=False)
#print "interfaces", yaml.safe_dump(vm['interfaces'], indent=4, default_flow_style=False)
#print ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
if 'availability_zone' in myVMDict:
av_index = vnf_availability_zones.index(myVMDict['availability_zone'])
else:
av_index = None
vm_id, _ = myvim.new_vminstance(myVMDict['name'], myVMDict['description'], myVMDict.get('start', None),
myVMDict['imageRef'], myVMDict['flavorRef'], myVMDict['networks'],
availability_zone_index=av_index,
availability_zone_list=vnf_availability_zones)
#print "VIM vm instance id (server id) for scenario %s: %s" % (scenarioDict['name'],vm_id)
vm['vim_id'] = vm_id
rollbackList.append({'what':'vm','where':'vim','vim_id':datacenter_id,'uuid':vm_id})
#put interface uuid back to scenario[vnfs][vms[[interfaces]
for net in myVMDict['networks']:
if "vim_id" in net:
for iface in vm['interfaces']:
if net["name"]==iface["internal_name"]:
iface["vim_id"]=net["vim_id"]
break
logger.debug("start scenario Deployment done")
#print yaml.safe_dump(scenarioDict, indent=4, default_flow_style=False)
#r,c = mydb.new_instance_scenario_as_a_whole(nfvo_tenant,scenarioDict['name'],scenarioDict)
instance_id = mydb.new_instance_scenario_as_a_whole(tenant_id,instance_scenario_name, instance_scenario_description, scenarioDict)
return mydb.get_instance_scenario(instance_id)
except (db_base_Exception, vimconn.vimconnException) as e:
_, message = rollback(mydb, vims, rollbackList)
if isinstance(e, db_base_Exception):
error_text = "Exception at database"
else:
error_text = "Exception at VIM"
error_text += " {} {}. {}".format(type(e).__name__, str(e), message)
#logger.error("start_scenario %s", error_text)
raise NfvoException(error_text, e.http_code)
def unify_cloud_config(cloud_config_preserve, cloud_config):
""" join the cloud config information into cloud_config_preserve.
In case of conflict cloud_config_preserve preserves
None is allowed
"""
if not cloud_config_preserve and not cloud_config:
return None
new_cloud_config = {"key-pairs":[], "users":[]}
# key-pairs
if cloud_config_preserve:
for key in cloud_config_preserve.get("key-pairs", () ):
if key not in new_cloud_config["key-pairs"]:
new_cloud_config["key-pairs"].append(key)
if cloud_config:
for key in cloud_config.get("key-pairs", () ):
if key not in new_cloud_config["key-pairs"]:
new_cloud_config["key-pairs"].append(key)
if not new_cloud_config["key-pairs"]:
del new_cloud_config["key-pairs"]
# users
if cloud_config:
new_cloud_config["users"] += cloud_config.get("users", () )
if cloud_config_preserve:
new_cloud_config["users"] += cloud_config_preserve.get("users", () )
index_to_delete = []
users = new_cloud_config.get("users", [])
for index0 in range(0,len(users)):
if index0 in index_to_delete:
continue
for index1 in range(index0+1,len(users)):
if index1 in index_to_delete:
continue
if users[index0]["name"] == users[index1]["name"]:
index_to_delete.append(index1)
for key in users[index1].get("key-pairs",()):
if "key-pairs" not in users[index0]:
users[index0]["key-pairs"] = [key]
elif key not in users[index0]["key-pairs"]:
users[index0]["key-pairs"].append(key)
index_to_delete.sort(reverse=True)
for index in index_to_delete:
del users[index]
if not new_cloud_config["users"]:
del new_cloud_config["users"]
#boot-data-drive
if cloud_config and cloud_config.get("boot-data-drive") != None:
new_cloud_config["boot-data-drive"] = cloud_config["boot-data-drive"]
if cloud_config_preserve and cloud_config_preserve.get("boot-data-drive") != None:
new_cloud_config["boot-data-drive"] = cloud_config_preserve["boot-data-drive"]
# user-data
new_cloud_config["user-data"] = []
if cloud_config and cloud_config.get("user-data"):
if isinstance(cloud_config["user-data"], list):
new_cloud_config["user-data"] += cloud_config["user-data"]
else:
new_cloud_config["user-data"].append(cloud_config["user-data"])
if cloud_config_preserve and cloud_config_preserve.get("user-data"):
if isinstance(cloud_config_preserve["user-data"], list):
new_cloud_config["user-data"] += cloud_config_preserve["user-data"]
else:
new_cloud_config["user-data"].append(cloud_config_preserve["user-data"])
if not new_cloud_config["user-data"]:
del new_cloud_config["user-data"]
# config files
new_cloud_config["config-files"] = []
if cloud_config and cloud_config.get("config-files") != None:
new_cloud_config["config-files"] += cloud_config["config-files"]
if cloud_config_preserve:
for file in cloud_config_preserve.get("config-files", ()):
for index in range(0, len(new_cloud_config["config-files"])):
if new_cloud_config["config-files"][index]["dest"] == file["dest"]:
new_cloud_config["config-files"][index] = file
break
else:
new_cloud_config["config-files"].append(file)
if not new_cloud_config["config-files"]:
del new_cloud_config["config-files"]
return new_cloud_config
def get_vim_thread(mydb, tenant_id, datacenter_id_name=None, datacenter_tenant_id=None):
datacenter_id = None
datacenter_name = None
thread = None
try:
if datacenter_tenant_id:
thread_id = datacenter_tenant_id
thread = vim_threads["running"].get(datacenter_tenant_id)
else:
where_={"td.nfvo_tenant_id": tenant_id}
if datacenter_id_name:
if utils.check_valid_uuid(datacenter_id_name):
datacenter_id = datacenter_id_name
where_["dt.datacenter_id"] = datacenter_id
else:
datacenter_name = datacenter_id_name
where_["d.name"] = datacenter_name
if datacenter_tenant_id:
where_["dt.uuid"] = datacenter_tenant_id
datacenters = mydb.get_rows(
SELECT=("dt.uuid as datacenter_tenant_id",),
FROM="datacenter_tenants as dt join tenants_datacenters as td on dt.uuid=td.datacenter_tenant_id "
"join datacenters as d on d.uuid=dt.datacenter_id",
WHERE=where_)
if len(datacenters) > 1:
raise NfvoException("More than one datacenters found, try to identify with uuid", httperrors.Conflict)
elif datacenters:
thread_id = datacenters[0]["datacenter_tenant_id"]
thread = vim_threads["running"].get(thread_id)
if not thread:
raise NfvoException("datacenter '{}' not found".format(str(datacenter_id_name)), httperrors.Not_Found)
return thread_id, thread
except db_base_Exception as e:
raise NfvoException("{} {}".format(type(e).__name__ , str(e)), e.http_code)
def get_datacenter_uuid(mydb, tenant_id, datacenter_id_name):
WHERE_dict={}
if utils.check_valid_uuid(datacenter_id_name):
WHERE_dict['d.uuid'] = datacenter_id_name
else:
WHERE_dict['d.name'] = datacenter_id_name
if tenant_id:
WHERE_dict['nfvo_tenant_id'] = tenant_id
from_= "tenants_datacenters as td join datacenters as d on td.datacenter_id=d.uuid join datacenter_tenants as" \
" dt on td.datacenter_tenant_id=dt.uuid"
else:
from_ = 'datacenters as d'
vimaccounts = mydb.get_rows(FROM=from_, SELECT=("d.uuid as uuid, d.name as name",), WHERE=WHERE_dict )
if len(vimaccounts) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter_id_name)), httperrors.Not_Found)
elif len(vimaccounts)>1:
#print "nfvo.datacenter_action() error. Several datacenters found"
raise NfvoException("More than one datacenters found, try to identify with uuid", httperrors.Conflict)
return vimaccounts[0]["uuid"], vimaccounts[0]["name"]
def get_datacenter_by_name_uuid(mydb, tenant_id, datacenter_id_name=None, **extra_filter):
datacenter_id = None
datacenter_name = None
if datacenter_id_name:
if utils.check_valid_uuid(datacenter_id_name):
datacenter_id = datacenter_id_name
else:
datacenter_name = datacenter_id_name
vims = get_vim(mydb, tenant_id, datacenter_id, datacenter_name, **extra_filter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter_id_name)), httperrors.Not_Found)
elif len(vims)>1:
#print "nfvo.datacenter_action() error. Several datacenters found"
raise NfvoException("More than one datacenters found, try to identify with uuid", httperrors.Conflict)
return vims.keys()[0], vims.values()[0]
def update(d, u):
"""Takes dict d and updates it with the values in dict u.
It merges all depth levels"""
for k, v in u.iteritems():
if isinstance(v, collections.Mapping):
r = update(d.get(k, {}), v)
d[k] = r
else:
d[k] = u[k]
return d
def create_instance(mydb, tenant_id, instance_dict):
# print "Checking that nfvo_tenant_id exists and getting the VIM URI and the VIM tenant_id"
# logger.debug("Creating instance...")
scenario = instance_dict["scenario"]
# find main datacenter
myvims = {}
myvim_threads_id = {}
datacenter = instance_dict.get("datacenter")
default_wim_account = instance_dict.get("wim_account")
default_datacenter_id, vim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
myvims[default_datacenter_id] = vim
myvim_threads_id[default_datacenter_id], _ = get_vim_thread(mydb, tenant_id, default_datacenter_id)
tenant = mydb.get_rows_by_id('nfvo_tenants', tenant_id)
# myvim_tenant = myvim['tenant_id']
rollbackList = []
# print "Checking that the scenario exists and getting the scenario dictionary"
if isinstance(scenario, str):
scenarioDict = mydb.get_scenario(scenario, tenant_id, datacenter_vim_id=myvim_threads_id[default_datacenter_id],
datacenter_id=default_datacenter_id)
else:
scenarioDict = scenario
scenarioDict["uuid"] = None
# logger.debug(">>>>>> Dictionaries before merging")
# logger.debug(">>>>>> InstanceDict:\n{}".format(yaml.safe_dump(instance_dict,default_flow_style=False, width=256)))
# logger.debug(">>>>>> ScenarioDict:\n{}".format(yaml.safe_dump(scenarioDict,default_flow_style=False, width=256)))
db_instance_vnfs = []
db_instance_vms = []
db_instance_interfaces = []
db_instance_sfis = []
db_instance_sfs = []
db_instance_classifications = []
db_instance_sfps = []
db_ip_profiles = []
db_vim_actions = []
uuid_list = []
task_index = 0
instance_name = instance_dict["name"]
instance_uuid = str(uuid4())
uuid_list.append(instance_uuid)
db_instance_scenario = {
"uuid": instance_uuid,
"name": instance_name,
"tenant_id": tenant_id,
"scenario_id": scenarioDict['uuid'],
"datacenter_id": default_datacenter_id,
# filled bellow 'datacenter_tenant_id'
"description": instance_dict.get("description"),
}
if scenarioDict.get("cloud-config"):
db_instance_scenario["cloud_config"] = yaml.safe_dump(scenarioDict["cloud-config"],
default_flow_style=True, width=256)
instance_action_id = get_task_id()
db_instance_action = {
"uuid": instance_action_id, # same uuid for the instance and the action on create
"tenant_id": tenant_id,
"instance_id": instance_uuid,
"description": "CREATE",
}
# Auxiliary dictionaries from x to y
sce_net2instance = {}
net2task_id = {'scenario': {}}
# Mapping between local networks and WIMs
wim_usage = {}
def ip_profile_IM2RO(ip_profile_im):
# translate from input format to database format
ip_profile_ro = {}
if 'subnet-address' in ip_profile_im:
ip_profile_ro['subnet_address'] = ip_profile_im['subnet-address']
if 'ip-version' in ip_profile_im:
ip_profile_ro['ip_version'] = ip_profile_im['ip-version']
if 'gateway-address' in ip_profile_im:
ip_profile_ro['gateway_address'] = ip_profile_im['gateway-address']
if 'dns-address' in ip_profile_im:
ip_profile_ro['dns_address'] = ip_profile_im['dns-address']
if isinstance(ip_profile_ro['dns_address'], (list, tuple)):
ip_profile_ro['dns_address'] = ";".join(ip_profile_ro['dns_address'])
if 'dhcp' in ip_profile_im:
ip_profile_ro['dhcp_start_address'] = ip_profile_im['dhcp'].get('start-address')
ip_profile_ro['dhcp_enabled'] = ip_profile_im['dhcp'].get('enabled', True)
ip_profile_ro['dhcp_count'] = ip_profile_im['dhcp'].get('count')
return ip_profile_ro
# logger.debug("Creating instance from scenario-dict:\n%s",
# yaml.safe_dump(scenarioDict, indent=4, default_flow_style=False))
try:
# 0 check correct parameters
for net_name, net_instance_desc in instance_dict.get("networks", {}).iteritems():
for scenario_net in scenarioDict['nets']:
if net_name == scenario_net.get("name") or net_name == scenario_net.get("osm_id") or net_name == scenario_net.get("uuid"):
break
else:
raise NfvoException("Invalid scenario network name or id '{}' at instance:networks".format(net_name),
httperrors.Bad_Request)
if "sites" not in net_instance_desc:
net_instance_desc["sites"] = [ {} ]
site_without_datacenter_field = False
for site in net_instance_desc["sites"]:
if site.get("datacenter"):
site["datacenter"], _ = get_datacenter_uuid(mydb, tenant_id, site["datacenter"])
if site["datacenter"] not in myvims:
# Add this datacenter to myvims
d, v = get_datacenter_by_name_uuid(mydb, tenant_id, site["datacenter"])
myvims[d] = v
myvim_threads_id[d], _ = get_vim_thread(mydb, tenant_id, site["datacenter"])
site["datacenter"] = d # change name to id
else:
if site_without_datacenter_field:
raise NfvoException("Found more than one entries without datacenter field at "
"instance:networks:{}:sites".format(net_name), httperrors.Bad_Request)
site_without_datacenter_field = True
site["datacenter"] = default_datacenter_id # change name to id
for vnf_name, vnf_instance_desc in instance_dict.get("vnfs",{}).iteritems():
for scenario_vnf in scenarioDict['vnfs']:
if vnf_name == scenario_vnf['member_vnf_index'] or vnf_name == scenario_vnf['uuid'] or vnf_name == scenario_vnf['name']:
break
else:
raise NfvoException("Invalid vnf name '{}' at instance:vnfs".format(vnf_name), httperrors.Bad_Request)
if "datacenter" in vnf_instance_desc:
# Add this datacenter to myvims
vnf_instance_desc["datacenter"], _ = get_datacenter_uuid(mydb, tenant_id, vnf_instance_desc["datacenter"])
if vnf_instance_desc["datacenter"] not in myvims:
d, v = get_datacenter_by_name_uuid(mydb, tenant_id, vnf_instance_desc["datacenter"])
myvims[d] = v
myvim_threads_id[d], _ = get_vim_thread(mydb, tenant_id, vnf_instance_desc["datacenter"])
scenario_vnf["datacenter"] = vnf_instance_desc["datacenter"]
for net_id, net_instance_desc in vnf_instance_desc.get("networks", {}).iteritems():
for scenario_net in scenario_vnf['nets']:
if net_id == scenario_net['osm_id'] or net_id == scenario_net['uuid'] or net_id == scenario_net["name"]:
break
else:
raise NfvoException("Invalid net id or name '{}' at instance:vnfs:networks".format(net_id), httperrors.Bad_Request)
if net_instance_desc.get("vim-network-name"):
scenario_net["vim-network-name"] = net_instance_desc["vim-network-name"]
if net_instance_desc.get("vim-network-id"):
scenario_net["vim-network-id"] = net_instance_desc["vim-network-id"]
if net_instance_desc.get("name"):
scenario_net["name"] = net_instance_desc["name"]
if 'ip-profile' in net_instance_desc:
ipprofile_db = ip_profile_IM2RO(net_instance_desc['ip-profile'])
if 'ip_profile' not in scenario_net:
scenario_net['ip_profile'] = ipprofile_db
else:
update(scenario_net['ip_profile'], ipprofile_db)
for vdu_id, vdu_instance_desc in vnf_instance_desc.get("vdus", {}).iteritems():
for scenario_vm in scenario_vnf['vms']:
if vdu_id == scenario_vm['osm_id'] or vdu_id == scenario_vm["name"]:
break
else:
raise NfvoException("Invalid vdu id or name '{}' at instance:vnfs:vdus".format(vdu_id), httperrors.Bad_Request)
scenario_vm["instance_parameters"] = vdu_instance_desc
for iface_id, iface_instance_desc in vdu_instance_desc.get("interfaces", {}).iteritems():
for scenario_interface in scenario_vm['interfaces']:
if iface_id == scenario_interface['internal_name'] or iface_id == scenario_interface["external_name"]:
scenario_interface.update(iface_instance_desc)
break
else:
raise NfvoException("Invalid vdu id or name '{}' at instance:vnfs:vdus".format(vdu_id), httperrors.Bad_Request)
# 0.1 parse cloud-config parameters
cloud_config = unify_cloud_config(instance_dict.get("cloud-config"), scenarioDict.get("cloud-config"))
# 0.2 merge instance information into scenario
# Ideally, the operation should be as simple as: update(scenarioDict,instance_dict)
# However, this is not possible yet.
for net_name, net_instance_desc in instance_dict.get("networks", {}).iteritems():
for scenario_net in scenarioDict['nets']:
if net_name == scenario_net.get("name") or net_name == scenario_net.get("osm_id") or net_name == scenario_net.get("uuid"):
if "wim_account" in net_instance_desc and net_instance_desc["wim_account"] is not None:
scenario_net["wim_account"] = net_instance_desc["wim_account"]
if 'ip-profile' in net_instance_desc:
ipprofile_db = ip_profile_IM2RO(net_instance_desc['ip-profile'])
if 'ip_profile' not in scenario_net:
scenario_net['ip_profile'] = ipprofile_db
else:
update(scenario_net['ip_profile'], ipprofile_db)
for interface in net_instance_desc.get('interfaces', ()):
if 'ip_address' in interface:
for vnf in scenarioDict['vnfs']:
if interface['vnf'] == vnf['name']:
for vnf_interface in vnf['interfaces']:
if interface['vnf_interface'] == vnf_interface['external_name']:
vnf_interface['ip_address'] = interface['ip_address']
# logger.debug(">>>>>>>> Merged dictionary")
# logger.debug("Creating instance scenario-dict MERGED:\n%s",
# yaml.safe_dump(scenarioDict, indent=4, default_flow_style=False))
# 1. Creating new nets (sce_nets) in the VIM"
number_mgmt_networks = 0
db_instance_nets = []
for sce_net in scenarioDict['nets']:
sce_net_uuid = sce_net.get('uuid', sce_net["name"])
# get involved datacenters where this network need to be created
involved_datacenters = []
for sce_vnf in scenarioDict.get("vnfs", ()):
vnf_datacenter = sce_vnf.get("datacenter", default_datacenter_id)
if vnf_datacenter in involved_datacenters:
continue
if sce_vnf.get("interfaces"):
for sce_vnf_ifaces in sce_vnf["interfaces"]:
if sce_vnf_ifaces.get("sce_net_id") == sce_net["uuid"]:
involved_datacenters.append(vnf_datacenter)
break
if not involved_datacenters:
involved_datacenters.append(default_datacenter_id)
target_wim_account = scenario_net.get("wim_account", default_wim_account)
# --> WIM
# TODO: use this information during network creation
wim_account_id = wim_account_name = None
if len(involved_datacenters) > 1 and 'uuid' in sce_net:
if target_wim_account is None or target_wim_account is True: # automatic selection of WIM
# OBS: sce_net without uuid are used internally to VNFs
# and the assumption is that VNFs will not be split among
# different datacenters
wim_account = wim_engine.find_suitable_wim_account(
involved_datacenters, tenant_id)
wim_account_id = wim_account['uuid']
wim_account_name = wim_account['name']
wim_usage[sce_net['uuid']] = wim_account_id
elif isinstance(target_wim_account, str): # manual selection of WIM
wim_account.persist.get_wim_account_by(target_wim_account, tenant_id)
wim_account_id = wim_account['uuid']
wim_account_name = wim_account['name']
wim_usage[sce_net['uuid']] = wim_account_id
else: # not WIM usage
wim_usage[sce_net['uuid']] = False
# <-- WIM
descriptor_net = {}
if instance_dict.get("networks") and instance_dict["networks"].get(sce_net["name"]):
descriptor_net = instance_dict["networks"][sce_net["name"]]
net_name = descriptor_net.get("vim-network-name")
# add datacenters from instantiation parameters
if descriptor_net.get("sites"):
for site in descriptor_net["sites"]:
if site.get("datacenter") and site["datacenter"] not in involved_datacenters:
involved_datacenters.append(site["datacenter"])
sce_net2instance[sce_net_uuid] = {}
net2task_id['scenario'][sce_net_uuid] = {}
if sce_net["external"]:
number_mgmt_networks += 1
for datacenter_id in involved_datacenters:
netmap_use = None
netmap_create = None
if descriptor_net.get("sites"):
for site in descriptor_net["sites"]:
if site.get("datacenter") == datacenter_id:
netmap_use = site.get("netmap-use")
netmap_create = site.get("netmap-create")
break
vim = myvims[datacenter_id]
myvim_thread_id = myvim_threads_id[datacenter_id]
net_type = sce_net['type']
net_vim_name = None
lookfor_filter = {'admin_state_up': True, 'status': 'ACTIVE'} # 'shared': True
if not net_name:
if sce_net["external"]:
net_name = sce_net["name"]
else:
net_name = "{}-{}".format(instance_name, sce_net["name"])
net_name = net_name[:255] # limit length
if netmap_use or netmap_create:
create_network = False
lookfor_network = False
if netmap_use:
lookfor_network = True
if utils.check_valid_uuid(netmap_use):
lookfor_filter["id"] = netmap_use
else:
lookfor_filter["name"] = netmap_use
if netmap_create:
create_network = True
net_vim_name = net_name
if isinstance(netmap_create, str):
net_vim_name = netmap_create
elif sce_net.get("vim_network_name"):
create_network = False
lookfor_network = True
lookfor_filter["name"] = sce_net.get("vim_network_name")
elif sce_net["external"]:
if sce_net.get('vim_id'):
# there is a netmap at datacenter_nets database # TODO REVISE!!!!
create_network = False
lookfor_network = True
lookfor_filter["id"] = sce_net['vim_id']
elif vim["config"].get("management_network_id") or vim["config"].get("management_network_name"):
if number_mgmt_networks > 1:
raise NfvoException("Found several VLD of type mgmt. "
"You must concrete what vim-network must be use for each one",
httperrors.Bad_Request)
create_network = False
lookfor_network = True
if vim["config"].get("management_network_id"):
lookfor_filter["id"] = vim["config"]["management_network_id"]
else:
lookfor_filter["name"] = vim["config"]["management_network_name"]
else:
# There is not a netmap, look at datacenter for a net with this name and create if not found
create_network = True
lookfor_network = True
lookfor_filter["name"] = sce_net["name"]
net_vim_name = sce_net["name"]
else:
net_vim_name = net_name
create_network = True
lookfor_network = False
task_extra = {}
if create_network:
task_action = "CREATE"
task_extra["params"] = (net_vim_name, net_type, sce_net.get('ip_profile', None), wim_account_name)
if lookfor_network:
task_extra["find"] = (lookfor_filter,)
elif lookfor_network:
task_action = "FIND"
task_extra["params"] = (lookfor_filter,)
# fill database content
net_uuid = str(uuid4())
uuid_list.append(net_uuid)
sce_net2instance[sce_net_uuid][datacenter_id] = net_uuid
db_net = {
"uuid": net_uuid,
'vim_net_id': None,
"vim_name": net_vim_name,
"instance_scenario_id": instance_uuid,
"sce_net_id": sce_net.get("uuid"),
"created": create_network,
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
'status': 'BUILD' # if create_network else "ACTIVE"
}
db_instance_nets.append(db_net)
db_vim_action = {
"instance_action_id": instance_action_id,
"status": "SCHEDULED",
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": task_action,
"item": "instance_nets",
"item_id": net_uuid,
"extra": yaml.safe_dump(task_extra, default_flow_style=True, width=256)
}
net2task_id['scenario'][sce_net_uuid][datacenter_id] = task_index
task_index += 1
db_vim_actions.append(db_vim_action)
if 'ip_profile' in sce_net:
db_ip_profile={
'instance_net_id': net_uuid,
'ip_version': sce_net['ip_profile']['ip_version'],
'subnet_address': sce_net['ip_profile']['subnet_address'],
'gateway_address': sce_net['ip_profile']['gateway_address'],
'dns_address': sce_net['ip_profile']['dns_address'],
'dhcp_enabled': sce_net['ip_profile']['dhcp_enabled'],
'dhcp_start_address': sce_net['ip_profile']['dhcp_start_address'],
'dhcp_count': sce_net['ip_profile']['dhcp_count'],
}
db_ip_profiles.append(db_ip_profile)
# Create VNFs
vnf_params = {
"default_datacenter_id": default_datacenter_id,
"myvim_threads_id": myvim_threads_id,
"instance_uuid": instance_uuid,
"instance_name": instance_name,
"instance_action_id": instance_action_id,
"myvims": myvims,
"cloud_config": cloud_config,
"RO_pub_key": tenant[0].get('RO_pub_key'),
"instance_parameters": instance_dict,
}
vnf_params_out = {
"task_index": task_index,
"uuid_list": uuid_list,
"db_instance_nets": db_instance_nets,
"db_vim_actions": db_vim_actions,
"db_ip_profiles": db_ip_profiles,
"db_instance_vnfs": db_instance_vnfs,
"db_instance_vms": db_instance_vms,
"db_instance_interfaces": db_instance_interfaces,
"net2task_id": net2task_id,
"sce_net2instance": sce_net2instance,
}
# sce_vnf_list = sorted(scenarioDict['vnfs'], key=lambda k: k['name'])
for sce_vnf in scenarioDict.get('vnfs', ()): # sce_vnf_list:
instantiate_vnf(mydb, sce_vnf, vnf_params, vnf_params_out, rollbackList)
task_index = vnf_params_out["task_index"]
uuid_list = vnf_params_out["uuid_list"]
# Create VNFFGs
# task_depends_on = []
for vnffg in scenarioDict.get('vnffgs', ()):
for rsp in vnffg['rsps']:
sfs_created = []
for cp in rsp['connection_points']:
count = mydb.get_rows(
SELECT='vms.count',
FROM="vms join interfaces on vms.uuid=interfaces.vm_id join sce_rsp_hops as h "
"on interfaces.uuid=h.ingress_interface_id",
WHERE={'h.uuid': cp['uuid']})[0]['count']
instance_vnf = next((item for item in db_instance_vnfs if item['sce_vnf_id'] == cp['sce_vnf_id']), None)
instance_vms = [item for item in db_instance_vms if item['instance_vnf_id'] == instance_vnf['uuid']]
dependencies = []
for instance_vm in instance_vms:
action = next((item for item in db_vim_actions if item['item_id'] == instance_vm['uuid']), None)
if action:
dependencies.append(action['task_index'])
# TODO: throw exception if count != len(instance_vms)
# TODO: and action shouldn't ever be None
sfis_created = []
for i in range(count):
# create sfis
sfi_uuid = str(uuid4())
extra_params = {
"ingress_interface_id": cp["ingress_interface_id"],
"egress_interface_id": cp["egress_interface_id"]
}
uuid_list.append(sfi_uuid)
db_sfi = {
"uuid": sfi_uuid,
"instance_scenario_id": instance_uuid,
'sce_rsp_hop_id': cp['uuid'],
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
"vim_sfi_id": None, # vim thread will populate
}
db_instance_sfis.append(db_sfi)
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_sfis",
"item_id": sfi_uuid,
"extra": yaml.safe_dump({"params": extra_params, "depends_on": [dependencies[i]]},
default_flow_style=True, width=256)
}
sfis_created.append(task_index)
task_index += 1
db_vim_actions.append(db_vim_action)
# create sfs
sf_uuid = str(uuid4())
uuid_list.append(sf_uuid)
db_sf = {
"uuid": sf_uuid,
"instance_scenario_id": instance_uuid,
'sce_rsp_hop_id': cp['uuid'],
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
"vim_sf_id": None, # vim thread will populate
}
db_instance_sfs.append(db_sf)
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_sfs",
"item_id": sf_uuid,
"extra": yaml.safe_dump({"params": "", "depends_on": sfis_created},
default_flow_style=True, width=256)
}
sfs_created.append(task_index)
task_index += 1
db_vim_actions.append(db_vim_action)
classifier = rsp['classifier']
# TODO the following ~13 lines can be reused for the sfi case
count = mydb.get_rows(
SELECT=('vms.count'),
FROM="vms join interfaces on vms.uuid=interfaces.vm_id join sce_classifiers as c on interfaces.uuid=c.interface_id",
WHERE={'c.uuid': classifier['uuid']})[0]['count']
instance_vnf = next((item for item in db_instance_vnfs if item['sce_vnf_id'] == classifier['sce_vnf_id']), None)
instance_vms = [item for item in db_instance_vms if item['instance_vnf_id'] == instance_vnf['uuid']]
dependencies = []
for instance_vm in instance_vms:
action = next((item for item in db_vim_actions if item['item_id'] == instance_vm['uuid']), None)
if action:
dependencies.append(action['task_index'])
# TODO: throw exception if count != len(instance_vms)
# TODO: and action shouldn't ever be None
classifications_created = []
for i in range(count):
for match in classifier['matches']:
# create classifications
classification_uuid = str(uuid4())
uuid_list.append(classification_uuid)
db_classification = {
"uuid": classification_uuid,
"instance_scenario_id": instance_uuid,
'sce_classifier_match_id': match['uuid'],
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
"vim_classification_id": None, # vim thread will populate
}
db_instance_classifications.append(db_classification)
classification_params = {
"ip_proto": match["ip_proto"],
"source_ip": match["source_ip"],
"destination_ip": match["destination_ip"],
"source_port": match["source_port"],
"destination_port": match["destination_port"]
}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_classifications",
"item_id": classification_uuid,
"extra": yaml.safe_dump({"params": classification_params, "depends_on": [dependencies[i]]},
default_flow_style=True, width=256)
}
classifications_created.append(task_index)
task_index += 1
db_vim_actions.append(db_vim_action)
# create sfps
sfp_uuid = str(uuid4())
uuid_list.append(sfp_uuid)
db_sfp = {
"uuid": sfp_uuid,
"instance_scenario_id": instance_uuid,
'sce_rsp_id': rsp['uuid'],
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
"vim_sfp_id": None, # vim thread will populate
}
db_instance_sfps.append(db_sfp)
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_sfps",
"item_id": sfp_uuid,
"extra": yaml.safe_dump({"params": "", "depends_on": sfs_created + classifications_created},
default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
db_instance_action["number_tasks"] = task_index
# --> WIM
logger.debug('wim_usage:\n%s\n\n', pformat(wim_usage))
wan_links = wim_engine.derive_wan_links(wim_usage, db_instance_nets, tenant_id)
wim_actions = wim_engine.create_actions(wan_links)
wim_actions, db_instance_action = (
wim_engine.incorporate_actions(wim_actions, db_instance_action))
# <-- WIM
scenarioDict["datacenter2tenant"] = myvim_threads_id
db_instance_scenario['datacenter_tenant_id'] = myvim_threads_id[default_datacenter_id]
db_instance_scenario['datacenter_id'] = default_datacenter_id
db_tables=[
{"instance_scenarios": db_instance_scenario},
{"instance_vnfs": db_instance_vnfs},
{"instance_nets": db_instance_nets},
{"ip_profiles": db_ip_profiles},
{"instance_vms": db_instance_vms},
{"instance_interfaces": db_instance_interfaces},
{"instance_actions": db_instance_action},
{"instance_sfis": db_instance_sfis},
{"instance_sfs": db_instance_sfs},
{"instance_classifications": db_instance_classifications},
{"instance_sfps": db_instance_sfps},
{"instance_wim_nets": wan_links},
{"vim_wim_actions": db_vim_actions + wim_actions}
]
logger.debug("create_instance done DB tables: %s",
yaml.safe_dump(db_tables, indent=4, default_flow_style=False) )
mydb.new_rows(db_tables, uuid_list)
for myvim_thread_id in myvim_threads_id.values():
vim_threads["running"][myvim_thread_id].insert_task(db_vim_actions)
wim_engine.dispatch(wim_actions)
returned_instance = mydb.get_instance_scenario(instance_uuid)
returned_instance["action_id"] = instance_action_id
return returned_instance
except (NfvoException, vimconn.vimconnException, db_base_Exception) as e:
message = rollback(mydb, myvims, rollbackList)
if isinstance(e, db_base_Exception):
error_text = "database Exception"
elif isinstance(e, vimconn.vimconnException):
error_text = "VIM Exception"
else:
error_text = "Exception"
error_text += " {} {}. {}".format(type(e).__name__, str(e), message)
# logger.error("create_instance: %s", error_text)
logger.exception(e)
raise NfvoException(error_text, e.http_code)
def instantiate_vnf(mydb, sce_vnf, params, params_out, rollbackList):
default_datacenter_id = params["default_datacenter_id"]
myvim_threads_id = params["myvim_threads_id"]
instance_uuid = params["instance_uuid"]
instance_name = params["instance_name"]
instance_action_id = params["instance_action_id"]
myvims = params["myvims"]
cloud_config = params["cloud_config"]
RO_pub_key = params["RO_pub_key"]
task_index = params_out["task_index"]
uuid_list = params_out["uuid_list"]
db_instance_nets = params_out["db_instance_nets"]
db_vim_actions = params_out["db_vim_actions"]
db_ip_profiles = params_out["db_ip_profiles"]
db_instance_vnfs = params_out["db_instance_vnfs"]
db_instance_vms = params_out["db_instance_vms"]
db_instance_interfaces = params_out["db_instance_interfaces"]
net2task_id = params_out["net2task_id"]
sce_net2instance = params_out["sce_net2instance"]
vnf_net2instance = {}
# 2. Creating new nets (vnf internal nets) in the VIM"
# For each vnf net, we create it and we add it to instanceNetlist.
if sce_vnf.get("datacenter"):
datacenter_id = sce_vnf["datacenter"]
myvim_thread_id = myvim_threads_id[sce_vnf["datacenter"]]
else:
datacenter_id = default_datacenter_id
myvim_thread_id = myvim_threads_id[default_datacenter_id]
for net in sce_vnf['nets']:
# TODO revis
# descriptor_net = instance_dict.get("vnfs", {}).get(sce_vnf["name"], {})
# net_name = descriptor_net.get("name")
net_name = None
if not net_name:
net_name = "{}-{}".format(instance_name, net["name"])
net_name = net_name[:255] # limit length
net_type = net['type']
if sce_vnf['uuid'] not in vnf_net2instance:
vnf_net2instance[sce_vnf['uuid']] = {}
if sce_vnf['uuid'] not in net2task_id:
net2task_id[sce_vnf['uuid']] = {}
net2task_id[sce_vnf['uuid']][net['uuid']] = task_index
# fill database content
net_uuid = str(uuid4())
uuid_list.append(net_uuid)
vnf_net2instance[sce_vnf['uuid']][net['uuid']] = net_uuid
db_net = {
"uuid": net_uuid,
'vim_net_id': None,
"vim_name": net_name,
"instance_scenario_id": instance_uuid,
"net_id": net["uuid"],
"created": True,
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
}
db_instance_nets.append(db_net)
lookfor_filter = {}
if net.get("vim-network-name"):
lookfor_filter["name"] = net["vim-network-name"]
if net.get("vim-network-id"):
lookfor_filter["id"] = net["vim-network-id"]
if lookfor_filter:
task_action = "FIND"
task_extra = {"params": (lookfor_filter,)}
else:
task_action = "CREATE"
task_extra = {"params": (net_name, net_type, net.get('ip_profile', None))}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"status": "SCHEDULED",
"action": task_action,
"item": "instance_nets",
"item_id": net_uuid,
"extra": yaml.safe_dump(task_extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
if 'ip_profile' in net:
db_ip_profile = {
'instance_net_id': net_uuid,
'ip_version': net['ip_profile']['ip_version'],
'subnet_address': net['ip_profile']['subnet_address'],
'gateway_address': net['ip_profile']['gateway_address'],
'dns_address': net['ip_profile']['dns_address'],
'dhcp_enabled': net['ip_profile']['dhcp_enabled'],
'dhcp_start_address': net['ip_profile']['dhcp_start_address'],
'dhcp_count': net['ip_profile']['dhcp_count'],
}
db_ip_profiles.append(db_ip_profile)
# print "vnf_net2instance:"
# print yaml.safe_dump(vnf_net2instance, indent=4, default_flow_style=False)
# 3. Creating new vm instances in the VIM
# myvim.new_vminstance(self,vimURI,tenant_id,name,description,image_id,flavor_id,net_dict)
ssh_access = None
if sce_vnf.get('mgmt_access'):
ssh_access = sce_vnf['mgmt_access'].get('config-access', {}).get('ssh-access')
vnf_availability_zones = []
for vm in sce_vnf.get('vms'):
vm_av = vm.get('availability_zone')
if vm_av and vm_av not in vnf_availability_zones:
vnf_availability_zones.append(vm_av)
# check if there is enough availability zones available at vim level.
if myvims[datacenter_id].availability_zone and vnf_availability_zones:
if len(vnf_availability_zones) > len(myvims[datacenter_id].availability_zone):
raise NfvoException('No enough availability zones at VIM for this deployment', httperrors.Bad_Request)
if sce_vnf.get("datacenter"):
vim = myvims[sce_vnf["datacenter"]]
myvim_thread_id = myvim_threads_id[sce_vnf["datacenter"]]
datacenter_id = sce_vnf["datacenter"]
else:
vim = myvims[default_datacenter_id]
myvim_thread_id = myvim_threads_id[default_datacenter_id]
datacenter_id = default_datacenter_id
sce_vnf["datacenter_id"] = datacenter_id
i = 0
vnf_uuid = str(uuid4())
uuid_list.append(vnf_uuid)
db_instance_vnf = {
'uuid': vnf_uuid,
'instance_scenario_id': instance_uuid,
'vnf_id': sce_vnf['vnf_id'],
'sce_vnf_id': sce_vnf['uuid'],
'datacenter_id': datacenter_id,
'datacenter_tenant_id': myvim_thread_id,
}
db_instance_vnfs.append(db_instance_vnf)
for vm in sce_vnf['vms']:
# skip PDUs
if vm.get("pdu_type"):
continue
myVMDict = {}
sce_vnf_name = sce_vnf['member_vnf_index'] if sce_vnf['member_vnf_index'] else sce_vnf['name']
myVMDict['name'] = "{}-{}-{}".format(instance_name[:64], sce_vnf_name[:64], vm["name"][:64])
myVMDict['description'] = myVMDict['name'][0:99]
# if not startvms:
# myVMDict['start'] = "no"
if vm.get("instance_parameters") and vm["instance_parameters"].get("name"):
myVMDict['name'] = vm["instance_parameters"].get("name")
myVMDict['name'] = myVMDict['name'][0:255] # limit name length
# create image at vim in case it not exist
image_uuid = vm['image_id']
if vm.get("image_list"):
for alternative_image in vm["image_list"]:
if alternative_image["vim_type"] == vim["config"]["_vim_type_internal"]:
image_uuid = alternative_image['image_id']
break
image_dict = mydb.get_table_by_uuid_name("images", image_uuid)
image_id = create_or_use_image(mydb, {datacenter_id: vim}, image_dict, [], True)
vm['vim_image_id'] = image_id
# create flavor at vim in case it not exist
flavor_dict = mydb.get_table_by_uuid_name("flavors", vm['flavor_id'])
if flavor_dict['extended'] != None:
flavor_dict['extended'] = yaml.load(flavor_dict['extended'])
flavor_id = create_or_use_flavor(mydb, {datacenter_id: vim}, flavor_dict, rollbackList, True)
# Obtain information for additional disks
extended_flavor_dict = mydb.get_rows(FROM='datacenters_flavors', SELECT=('extended',),
WHERE={'vim_id': flavor_id})
if not extended_flavor_dict:
raise NfvoException("flavor '{}' not found".format(flavor_id), httperrors.Not_Found)
# extended_flavor_dict_yaml = yaml.load(extended_flavor_dict[0])
myVMDict['disks'] = None
extended_info = extended_flavor_dict[0]['extended']
if extended_info != None:
extended_flavor_dict_yaml = yaml.load(extended_info)
if 'disks' in extended_flavor_dict_yaml:
myVMDict['disks'] = extended_flavor_dict_yaml['disks']
if vm.get("instance_parameters") and vm["instance_parameters"].get("devices"):
for disk in myVMDict['disks']:
if disk.get("name") in vm["instance_parameters"]["devices"]:
disk.update(vm["instance_parameters"]["devices"][disk.get("name")])
vm['vim_flavor_id'] = flavor_id
myVMDict['imageRef'] = vm['vim_image_id']
myVMDict['flavorRef'] = vm['vim_flavor_id']
myVMDict['availability_zone'] = vm.get('availability_zone')
myVMDict['networks'] = []
task_depends_on = []
# TODO ALF. connect_mgmt_interfaces. Connect management interfaces if this is true
is_management_vm = False
db_vm_ifaces = []
for iface in vm['interfaces']:
netDict = {}
if iface['type'] == "data":
netDict['type'] = iface['model']
elif "model" in iface and iface["model"] != None:
netDict['model'] = iface['model']
# TODO in future, remove this because mac_address will not be set, and the type of PV,VF
# is obtained from iterface table model
# discover type of interface looking at flavor
for numa in flavor_dict.get('extended', {}).get('numas', []):
for flavor_iface in numa.get('interfaces', []):
if flavor_iface.get('name') == iface['internal_name']:
if flavor_iface['dedicated'] == 'yes':
netDict['type'] = "PF" # passthrough
elif flavor_iface['dedicated'] == 'no':
netDict['type'] = "VF" # siov
elif flavor_iface['dedicated'] == 'yes:sriov':
netDict['type'] = "VFnotShared" # sriov but only one sriov on the PF
netDict["mac_address"] = flavor_iface.get("mac_address")
break
netDict["use"] = iface['type']
if netDict["use"] == "data" and not netDict.get("type"):
# print "netDict", netDict
# print "iface", iface
e_text = "Cannot determine the interface type PF or VF of VNF '{}' VM '{}' iface '{}'".fromat(
sce_vnf['name'], vm['name'], iface['internal_name'])
if flavor_dict.get('extended') == None:
raise NfvoException(e_text + "After database migration some information is not available. \
Try to delete and create the scenarios and VNFs again", httperrors.Conflict)
else:
raise NfvoException(e_text, httperrors.Internal_Server_Error)
if netDict["use"] == "mgmt":
is_management_vm = True
netDict["type"] = "virtual"
if netDict["use"] == "bridge":
netDict["type"] = "virtual"
if iface.get("vpci"):
netDict['vpci'] = iface['vpci']
if iface.get("mac"):
netDict['mac_address'] = iface['mac']
if iface.get("mac_address"):
netDict['mac_address'] = iface['mac_address']
if iface.get("ip_address"):
netDict['ip_address'] = iface['ip_address']
if iface.get("port-security") is not None:
netDict['port_security'] = iface['port-security']
if iface.get("floating-ip") is not None:
netDict['floating_ip'] = iface['floating-ip']
netDict['name'] = iface['internal_name']
if iface['net_id'] is None:
for vnf_iface in sce_vnf["interfaces"]:
# print iface
# print vnf_iface
if vnf_iface['interface_id'] == iface['uuid']:
netDict['net_id'] = "TASK-{}".format(
net2task_id['scenario'][vnf_iface['sce_net_id']][datacenter_id])
instance_net_id = sce_net2instance[vnf_iface['sce_net_id']][datacenter_id]
task_depends_on.append(net2task_id['scenario'][vnf_iface['sce_net_id']][datacenter_id])
break
else:
netDict['net_id'] = "TASK-{}".format(net2task_id[sce_vnf['uuid']][iface['net_id']])
instance_net_id = vnf_net2instance[sce_vnf['uuid']][iface['net_id']]
task_depends_on.append(net2task_id[sce_vnf['uuid']][iface['net_id']])
# skip bridge ifaces not connected to any net
if 'net_id' not in netDict or netDict['net_id'] == None:
continue
myVMDict['networks'].append(netDict)
db_vm_iface = {
# "uuid"
# 'instance_vm_id': instance_vm_uuid,
"instance_net_id": instance_net_id,
'interface_id': iface['uuid'],
# 'vim_interface_id': ,
'type': 'external' if iface['external_name'] is not None else 'internal',
'ip_address': iface.get('ip_address'),
'mac_address': iface.get('mac'),
'floating_ip': int(iface.get('floating-ip', False)),
'port_security': int(iface.get('port-security', True))
}
db_vm_ifaces.append(db_vm_iface)
# print ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
# print myVMDict['name']
# print "networks", yaml.safe_dump(myVMDict['networks'], indent=4, default_flow_style=False)
# print "interfaces", yaml.safe_dump(vm['interfaces'], indent=4, default_flow_style=False)
# print ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
# We add the RO key to cloud_config if vnf will need ssh access
cloud_config_vm = cloud_config
if is_management_vm and params["instance_parameters"].get("mgmt_keys"):
cloud_config_vm = unify_cloud_config({"key-pairs": params["instance_parameters"]["mgmt_keys"]},
cloud_config_vm)
if vm.get("instance_parameters") and vm["instance_parameters"].get("mgmt_keys"):
cloud_config_vm = unify_cloud_config({"key-pairs": vm["instance_parameters"]["mgmt_keys"]},
cloud_config_vm)
# if ssh_access and ssh_access['required'] and ssh_access['default-user'] and tenant[0].get('RO_pub_key'):
# RO_key = {"key-pairs": [tenant[0]['RO_pub_key']]}
# cloud_config_vm = unify_cloud_config(cloud_config_vm, RO_key)
if vm.get("boot_data"):
cloud_config_vm = unify_cloud_config(vm["boot_data"], cloud_config_vm)
if myVMDict.get('availability_zone'):
av_index = vnf_availability_zones.index(myVMDict['availability_zone'])
else:
av_index = None
for vm_index in range(0, vm.get('count', 1)):
vm_name = myVMDict['name'] + "-" + str(vm_index+1)
task_params = (vm_name, myVMDict['description'], myVMDict.get('start', None),
myVMDict['imageRef'], myVMDict['flavorRef'], myVMDict['networks'], cloud_config_vm,
myVMDict['disks'], av_index, vnf_availability_zones)
# put interface uuid back to scenario[vnfs][vms[[interfaces]
for net in myVMDict['networks']:
if "vim_id" in net:
for iface in vm['interfaces']:
if net["name"] == iface["internal_name"]:
iface["vim_id"] = net["vim_id"]
break
vm_uuid = str(uuid4())
uuid_list.append(vm_uuid)
db_vm = {
"uuid": vm_uuid,
'instance_vnf_id': vnf_uuid,
# TODO delete "vim_vm_id": vm_id,
"vm_id": vm["uuid"],
"vim_name": vm_name,
# "status":
}
db_instance_vms.append(db_vm)
iface_index = 0
for db_vm_iface in db_vm_ifaces:
iface_uuid = str(uuid4())
uuid_list.append(iface_uuid)
db_vm_iface_instance = {
"uuid": iface_uuid,
"instance_vm_id": vm_uuid
}
db_vm_iface_instance.update(db_vm_iface)
if db_vm_iface_instance.get("ip_address"): # increment ip_address
ip = db_vm_iface_instance.get("ip_address")
i = ip.rfind(".")
if i > 0:
try:
i += 1
ip = ip[i:] + str(int(ip[:i]) + 1)
db_vm_iface_instance["ip_address"] = ip
except:
db_vm_iface_instance["ip_address"] = None
db_instance_interfaces.append(db_vm_iface_instance)
myVMDict['networks'][iface_index]["uuid"] = iface_uuid
iface_index += 1
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": myvim_thread_id,
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_vms",
"item_id": vm_uuid,
"extra": yaml.safe_dump({"params": task_params, "depends_on": task_depends_on},
default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
params_out["task_index"] = task_index
params_out["uuid_list"] = uuid_list
def delete_instance(mydb, tenant_id, instance_id):
# print "Checking that the instance_id exists and getting the instance dictionary"
instanceDict = mydb.get_instance_scenario(instance_id, tenant_id)
# print yaml.safe_dump(instanceDict, indent=4, default_flow_style=False)
tenant_id = instanceDict["tenant_id"]
# --> WIM
# We need to retrieve the WIM Actions now, before the instance_scenario is
# deleted. The reason for that is that: ON CASCADE rules will delete the
# instance_wim_nets record in the database
wim_actions = wim_engine.delete_actions(instance_scenario_id=instance_id)
# <-- WIM
# print "Checking that nfvo_tenant_id exists and getting the VIM URI and the VIM tenant_id"
# 1. Delete from Database
message = mydb.delete_instance_scenario(instance_id, tenant_id)
# 2. delete from VIM
error_msg = ""
myvims = {}
myvim_threads = {}
vimthread_affected = {}
net2vm_dependencies = {}
task_index = 0
instance_action_id = get_task_id()
db_vim_actions = []
db_instance_action = {
"uuid": instance_action_id, # same uuid for the instance and the action on create
"tenant_id": tenant_id,
"instance_id": instance_id,
"description": "DELETE",
# "number_tasks": 0 # filled bellow
}
# 2.1 deleting VNFFGs
for sfp in instanceDict.get('sfps', ()):
vimthread_affected[sfp["datacenter_tenant_id"]] = None
datacenter_key = (sfp["datacenter_id"], sfp["datacenter_tenant_id"])
if datacenter_key not in myvims:
try:
_, myvim_thread = get_vim_thread(mydb, tenant_id, sfp["datacenter_id"], sfp["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=sfp["datacenter_id"],
datacenter_tenant_id=sfp["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(sfp["datacenter_id"], sfp["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
if not myvim:
error_msg += "\n vim_sfp_id={} cannot be deleted because datacenter={} not found".format(sfp['vim_sfp_id'], sfp["datacenter_id"])
continue
extra = {"params": (sfp['vim_sfp_id'])}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": sfp["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_sfps",
"item_id": sfp["uuid"],
"extra": yaml.safe_dump(extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
for classification in instanceDict['classifications']:
vimthread_affected[classification["datacenter_tenant_id"]] = None
datacenter_key = (classification["datacenter_id"], classification["datacenter_tenant_id"])
if datacenter_key not in myvims:
try:
_, myvim_thread = get_vim_thread(mydb, tenant_id, classification["datacenter_id"], classification["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=classification["datacenter_id"],
datacenter_tenant_id=classification["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(classification["datacenter_id"],
classification["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
if not myvim:
error_msg += "\n vim_classification_id={} cannot be deleted because datacenter={} not found".format(classification['vim_classification_id'],
classification["datacenter_id"])
continue
depends_on = [action["task_index"] for action in db_vim_actions if action["item"] == "instance_sfps"]
extra = {"params": (classification['vim_classification_id']), "depends_on": depends_on}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": classification["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_classifications",
"item_id": classification["uuid"],
"extra": yaml.safe_dump(extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
for sf in instanceDict.get('sfs', ()):
vimthread_affected[sf["datacenter_tenant_id"]] = None
datacenter_key = (sf["datacenter_id"], sf["datacenter_tenant_id"])
if datacenter_key not in myvims:
try:
_, myvim_thread = get_vim_thread(mydb, tenant_id, sf["datacenter_id"], sf["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=sf["datacenter_id"],
datacenter_tenant_id=sf["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(sf["datacenter_id"], sf["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
if not myvim:
error_msg += "\n vim_sf_id={} cannot be deleted because datacenter={} not found".format(sf['vim_sf_id'], sf["datacenter_id"])
continue
depends_on = [action["task_index"] for action in db_vim_actions if action["item"] == "instance_sfps"]
extra = {"params": (sf['vim_sf_id']), "depends_on": depends_on}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": sf["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_sfs",
"item_id": sf["uuid"],
"extra": yaml.safe_dump(extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
for sfi in instanceDict.get('sfis', ()):
vimthread_affected[sfi["datacenter_tenant_id"]] = None
datacenter_key = (sfi["datacenter_id"], sfi["datacenter_tenant_id"])
if datacenter_key not in myvims:
try:
_, myvim_thread = get_vim_thread(mydb, tenant_id, sfi["datacenter_id"], sfi["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=sfi["datacenter_id"],
datacenter_tenant_id=sfi["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(sfi["datacenter_id"], sfi["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
if not myvim:
error_msg += "\n vim_sfi_id={} cannot be deleted because datacenter={} not found".format(sfi['vim_sfi_id'], sfi["datacenter_id"])
continue
depends_on = [action["task_index"] for action in db_vim_actions if action["item"] == "instance_sfs"]
extra = {"params": (sfi['vim_sfi_id']), "depends_on": depends_on}
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": sfi["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_sfis",
"item_id": sfi["uuid"],
"extra": yaml.safe_dump(extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
# 2.2 deleting VMs
# vm_fail_list=[]
for sce_vnf in instanceDict.get('vnfs', ()):
datacenter_key = (sce_vnf["datacenter_id"], sce_vnf["datacenter_tenant_id"])
vimthread_affected[sce_vnf["datacenter_tenant_id"]] = None
if datacenter_key not in myvims:
try:
_, myvim_thread = get_vim_thread(mydb, tenant_id, sce_vnf["datacenter_id"], sce_vnf["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=sce_vnf["datacenter_id"],
datacenter_tenant_id=sce_vnf["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(sce_vnf["datacenter_id"],
sce_vnf["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
for vm in sce_vnf['vms']:
if not myvim:
error_msg += "\n VM id={} cannot be deleted because datacenter={} not found".format(vm['vim_vm_id'], sce_vnf["datacenter_id"])
continue
sfi_dependencies = [action["task_index"] for action in db_vim_actions if action["item"] == "instance_sfis"]
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": sce_vnf["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_vms",
"item_id": vm["uuid"],
"extra": yaml.safe_dump({"params": vm["interfaces"], "depends_on": sfi_dependencies},
default_flow_style=True, width=256)
}
db_vim_actions.append(db_vim_action)
for interface in vm["interfaces"]:
if not interface.get("instance_net_id"):
continue
if interface["instance_net_id"] not in net2vm_dependencies:
net2vm_dependencies[interface["instance_net_id"]] = []
net2vm_dependencies[interface["instance_net_id"]].append(task_index)
task_index += 1
# 2.3 deleting NETS
# net_fail_list=[]
for net in instanceDict['nets']:
vimthread_affected[net["datacenter_tenant_id"]] = None
datacenter_key = (net["datacenter_id"], net["datacenter_tenant_id"])
if datacenter_key not in myvims:
try:
_,myvim_thread = get_vim_thread(mydb, tenant_id, net["datacenter_id"], net["datacenter_tenant_id"])
except NfvoException as e:
logger.error(str(e))
myvim_thread = None
myvim_threads[datacenter_key] = myvim_thread
vims = get_vim(mydb, tenant_id, datacenter_id=net["datacenter_id"],
datacenter_tenant_id=net["datacenter_tenant_id"])
if len(vims) == 0:
logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(net["datacenter_id"], net["datacenter_tenant_id"]))
myvims[datacenter_key] = None
else:
myvims[datacenter_key] = vims.values()[0]
myvim = myvims[datacenter_key]
myvim_thread = myvim_threads[datacenter_key]
if not myvim:
error_msg += "\n Net VIM_id={} cannot be deleted because datacenter={} not found".format(net['vim_net_id'], net["datacenter_id"])
continue
extra = {"params": (net['vim_net_id'], net['sdn_net_id'])}
if net2vm_dependencies.get(net["uuid"]):
extra["depends_on"] = net2vm_dependencies[net["uuid"]]
sfi_dependencies = [action["task_index"] for action in db_vim_actions if action["item"] == "instance_sfis"]
if len(sfi_dependencies) > 0:
if "depends_on" in extra:
extra["depends_on"] += sfi_dependencies
else:
extra["depends_on"] = sfi_dependencies
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": net["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_nets",
"item_id": net["uuid"],
"extra": yaml.safe_dump(extra, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
db_instance_action["number_tasks"] = task_index
# --> WIM
wim_actions, db_instance_action = (
wim_engine.incorporate_actions(wim_actions, db_instance_action))
# <-- WIM
db_tables = [
{"instance_actions": db_instance_action},
{"vim_wim_actions": db_vim_actions + wim_actions}
]
logger.debug("delete_instance done DB tables: %s",
yaml.safe_dump(db_tables, indent=4, default_flow_style=False))
mydb.new_rows(db_tables, ())
for myvim_thread_id in vimthread_affected.keys():
vim_threads["running"][myvim_thread_id].insert_task(db_vim_actions)
wim_engine.dispatch(wim_actions)
if len(error_msg) > 0:
return 'action_id={} instance {} deleted but some elements could not be deleted, or already deleted '\
'(error: 404) from VIM: {}'.format(instance_action_id, message, error_msg)
else:
return "action_id={} instance {} deleted".format(instance_action_id, message)
def get_instance_id(mydb, tenant_id, instance_id):
global ovim
#check valid tenant_id
check_tenant(mydb, tenant_id)
#obtain data
instance_dict = mydb.get_instance_scenario(instance_id, tenant_id, verbose=True)
for net in instance_dict["nets"]:
if net.get("sdn_net_id"):
net_sdn = ovim.show_network(net["sdn_net_id"])
net["sdn_info"] = {
"admin_state_up": net_sdn.get("admin_state_up"),
"flows": net_sdn.get("flows"),
"last_error": net_sdn.get("last_error"),
"ports": net_sdn.get("ports"),
"type": net_sdn.get("type"),
"status": net_sdn.get("status"),
"vlan": net_sdn.get("vlan"),
}
return instance_dict
@deprecated("Instance is automatically refreshed by vim_threads")
def refresh_instance(mydb, nfvo_tenant, instanceDict, datacenter=None, vim_tenant=None):
'''Refreshes a scenario instance. It modifies instanceDict'''
'''Returns:
- result: <0 if there is any unexpected error, n>=0 if no errors where n is the number of vms and nets that couldn't be updated in the database
- error_msg
'''
# # Assumption: nfvo_tenant and instance_id were checked before entering into this function
# #print "nfvo.refresh_instance begins"
# #print json.dumps(instanceDict, indent=4)
#
# #print "Getting the VIM URL and the VIM tenant_id"
# myvims={}
#
# # 1. Getting VIM vm and net list
# vms_updated = [] #List of VM instance uuids in openmano that were updated
# vms_notupdated=[]
# vm_list = {}
# for sce_vnf in instanceDict['vnfs']:
# datacenter_key = (sce_vnf["datacenter_id"], sce_vnf["datacenter_tenant_id"])
# if datacenter_key not in vm_list:
# vm_list[datacenter_key] = []
# if datacenter_key not in myvims:
# vims = get_vim(mydb, nfvo_tenant, datacenter_id=sce_vnf["datacenter_id"],
# datacenter_tenant_id=sce_vnf["datacenter_tenant_id"])
# if len(vims) == 0:
# logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(sce_vnf["datacenter_id"], sce_vnf["datacenter_tenant_id"]))
# myvims[datacenter_key] = None
# else:
# myvims[datacenter_key] = vims.values()[0]
# for vm in sce_vnf['vms']:
# vm_list[datacenter_key].append(vm['vim_vm_id'])
# vms_notupdated.append(vm["uuid"])
#
# nets_updated = [] #List of VM instance uuids in openmano that were updated
# nets_notupdated=[]
# net_list = {}
# for net in instanceDict['nets']:
# datacenter_key = (net["datacenter_id"], net["datacenter_tenant_id"])
# if datacenter_key not in net_list:
# net_list[datacenter_key] = []
# if datacenter_key not in myvims:
# vims = get_vim(mydb, nfvo_tenant, datacenter_id=net["datacenter_id"],
# datacenter_tenant_id=net["datacenter_tenant_id"])
# if len(vims) == 0:
# logger.error("datacenter '{}' with datacenter_tenant_id '{}' not found".format(net["datacenter_id"], net["datacenter_tenant_id"]))
# myvims[datacenter_key] = None
# else:
# myvims[datacenter_key] = vims.values()[0]
#
# net_list[datacenter_key].append(net['vim_net_id'])
# nets_notupdated.append(net["uuid"])
#
# # 1. Getting the status of all VMs
# vm_dict={}
# for datacenter_key in myvims:
# if not vm_list.get(datacenter_key):
# continue
# failed = True
# failed_message=""
# if not myvims[datacenter_key]:
# failed_message = "datacenter '{}' with datacenter_tenant_id '{}' not found".format(net["datacenter_id"], net["datacenter_tenant_id"])
# else:
# try:
# vm_dict.update(myvims[datacenter_key].refresh_vms_status(vm_list[datacenter_key]) )
# failed = False
# except vimconn.vimconnException as e:
# logger.error("VIM exception %s %s", type(e).__name__, str(e))
# failed_message = str(e)
# if failed:
# for vm in vm_list[datacenter_key]:
# vm_dict[vm] = {'status': "VIM_ERROR", 'error_msg': failed_message}
#
# # 2. Update the status of VMs in the instanceDict, while collects the VMs whose status changed
# for sce_vnf in instanceDict['vnfs']:
# for vm in sce_vnf['vms']:
# vm_id = vm['vim_vm_id']
# interfaces = vm_dict[vm_id].pop('interfaces', [])
# #2.0 look if contain manamgement interface, and if not change status from ACTIVE:NoMgmtIP to ACTIVE
# has_mgmt_iface = False
# for iface in vm["interfaces"]:
# if iface["type"]=="mgmt":
# has_mgmt_iface = True
# if vm_dict[vm_id]['status'] == "ACTIVE:NoMgmtIP" and not has_mgmt_iface:
# vm_dict[vm_id]['status'] = "ACTIVE"
# if vm_dict[vm_id].get('error_msg') and len(vm_dict[vm_id]['error_msg']) >= 1024:
# vm_dict[vm_id]['error_msg'] = vm_dict[vm_id]['error_msg'][:516] + " ... " + vm_dict[vm_id]['error_msg'][-500:]
# if vm['status'] != vm_dict[vm_id]['status'] or vm.get('error_msg')!=vm_dict[vm_id].get('error_msg') or vm.get('vim_info')!=vm_dict[vm_id].get('vim_info'):
# vm['status'] = vm_dict[vm_id]['status']
# vm['error_msg'] = vm_dict[vm_id].get('error_msg')
# vm['vim_info'] = vm_dict[vm_id].get('vim_info')
# # 2.1. Update in openmano DB the VMs whose status changed
# try:
# updates = mydb.update_rows('instance_vms', UPDATE=vm_dict[vm_id], WHERE={'uuid':vm["uuid"]})
# vms_notupdated.remove(vm["uuid"])
# if updates>0:
# vms_updated.append(vm["uuid"])
# except db_base_Exception as e:
# logger.error("nfvo.refresh_instance error database update: %s", str(e))
# # 2.2. Update in openmano DB the interface VMs
# for interface in interfaces:
# #translate from vim_net_id to instance_net_id
# network_id_list=[]
# for net in instanceDict['nets']:
# if net["vim_net_id"] == interface["vim_net_id"]:
# network_id_list.append(net["uuid"])
# if not network_id_list:
# continue
# del interface["vim_net_id"]
# try:
# for network_id in network_id_list:
# mydb.update_rows('instance_interfaces', UPDATE=interface, WHERE={'instance_vm_id':vm["uuid"], "instance_net_id":network_id})
# except db_base_Exception as e:
# logger.error( "nfvo.refresh_instance error with vm=%s, interface_net_id=%s", vm["uuid"], network_id)
#
# # 3. Getting the status of all nets
# net_dict = {}
# for datacenter_key in myvims:
# if not net_list.get(datacenter_key):
# continue
# failed = True
# failed_message = ""
# if not myvims[datacenter_key]:
# failed_message = "datacenter '{}' with datacenter_tenant_id '{}' not found".format(net["datacenter_id"], net["datacenter_tenant_id"])
# else:
# try:
# net_dict.update(myvims[datacenter_key].refresh_nets_status(net_list[datacenter_key]) )
# failed = False
# except vimconn.vimconnException as e:
# logger.error("VIM exception %s %s", type(e).__name__, str(e))
# failed_message = str(e)
# if failed:
# for net in net_list[datacenter_key]:
# net_dict[net] = {'status': "VIM_ERROR", 'error_msg': failed_message}
#
# # 4. Update the status of nets in the instanceDict, while collects the nets whose status changed
# # TODO: update nets inside a vnf
# for net in instanceDict['nets']:
# net_id = net['vim_net_id']
# if net_dict[net_id].get('error_msg') and len(net_dict[net_id]['error_msg']) >= 1024:
# net_dict[net_id]['error_msg'] = net_dict[net_id]['error_msg'][:516] + " ... " + net_dict[vm_id]['error_msg'][-500:]
# if net['status'] != net_dict[net_id]['status'] or net.get('error_msg')!=net_dict[net_id].get('error_msg') or net.get('vim_info')!=net_dict[net_id].get('vim_info'):
# net['status'] = net_dict[net_id]['status']
# net['error_msg'] = net_dict[net_id].get('error_msg')
# net['vim_info'] = net_dict[net_id].get('vim_info')
# # 5.1. Update in openmano DB the nets whose status changed
# try:
# updated = mydb.update_rows('instance_nets', UPDATE=net_dict[net_id], WHERE={'uuid':net["uuid"]})
# nets_notupdated.remove(net["uuid"])
# if updated>0:
# nets_updated.append(net["uuid"])
# except db_base_Exception as e:
# logger.error("nfvo.refresh_instance error database update: %s", str(e))
#
# # Returns appropriate output
# #print "nfvo.refresh_instance finishes"
# logger.debug("VMs updated in the database: %s; nets updated in the database %s; VMs not updated: %s; nets not updated: %s",
# str(vms_updated), str(nets_updated), str(vms_notupdated), str(nets_notupdated))
instance_id = instanceDict['uuid']
# if len(vms_notupdated)+len(nets_notupdated)>0:
# error_msg = "VMs not updated: " + str(vms_notupdated) + "; nets not updated: " + str(nets_notupdated)
# return len(vms_notupdated)+len(nets_notupdated), 'Scenario instance ' + instance_id + ' refreshed but some elements could not be updated in the database: ' + error_msg
return 0, 'Scenario instance ' + instance_id + ' refreshed.'
def instance_action(mydb,nfvo_tenant,instance_id, action_dict):
#print "Checking that the instance_id exists and getting the instance dictionary"
instanceDict = mydb.get_instance_scenario(instance_id, nfvo_tenant)
#print yaml.safe_dump(instanceDict, indent=4, default_flow_style=False)
#print "Checking that nfvo_tenant_id exists and getting the VIM URI and the VIM tenant_id"
vims = get_vim(mydb, nfvo_tenant, instanceDict['datacenter_id'])
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(instanceDict['datacenter_id'])), httperrors.Not_Found)
myvim = vims.values()[0]
vm_result = {}
vm_error = 0
vm_ok = 0
myvim_threads_id = {}
if action_dict.get("vdu-scaling"):
db_instance_vms = []
db_vim_actions = []
db_instance_interfaces = []
instance_action_id = get_task_id()
db_instance_action = {
"uuid": instance_action_id, # same uuid for the instance and the action on create
"tenant_id": nfvo_tenant,
"instance_id": instance_id,
"description": "SCALE",
}
vm_result["instance_action_id"] = instance_action_id
vm_result["created"] = []
vm_result["deleted"] = []
task_index = 0
for vdu in action_dict["vdu-scaling"]:
vdu_id = vdu.get("vdu-id")
osm_vdu_id = vdu.get("osm_vdu_id")
member_vnf_index = vdu.get("member-vnf-index")
vdu_count = vdu.get("count", 1)
if vdu_id:
target_vms = mydb.get_rows(
FROM="instance_vms as vms join instance_vnfs as vnfs on vms.instance_vnf_id=vnfs.uuid",
WHERE={"vms.uuid": vdu_id},
ORDER_BY="vms.created_at"
)
if not target_vms:
raise NfvoException("Cannot find the vdu with id {}".format(vdu_id), httperrors.Not_Found)
else:
if not osm_vdu_id and not member_vnf_index:
raise NfvoException("Invalid input vdu parameters. Must supply either 'vdu-id' of 'osm_vdu_id','member-vnf-index'")
target_vms = mydb.get_rows(
# SELECT=("ivms.uuid", "ivnfs.datacenter_id", "ivnfs.datacenter_tenant_id"),
FROM="instance_vms as ivms join instance_vnfs as ivnfs on ivms.instance_vnf_id=ivnfs.uuid"\
" join sce_vnfs as svnfs on ivnfs.sce_vnf_id=svnfs.uuid"\
" join vms on ivms.vm_id=vms.uuid",
WHERE={"vms.osm_id": osm_vdu_id, "svnfs.member_vnf_index": member_vnf_index,
"ivnfs.instance_scenario_id": instance_id},
ORDER_BY="ivms.created_at"
)
if not target_vms:
raise NfvoException("Cannot find the vdu with osm_vdu_id {} and member-vnf-index {}".format(osm_vdu_id, member_vnf_index), httperrors.Not_Found)
vdu_id = target_vms[-1]["uuid"]
target_vm = target_vms[-1]
datacenter = target_vm["datacenter_id"]
myvim_threads_id[datacenter], _ = get_vim_thread(mydb, nfvo_tenant, datacenter)
if vdu["type"] == "delete":
for index in range(0, vdu_count):
target_vm = target_vms[-1-index]
vdu_id = target_vm["uuid"]
# look for nm
vm_interfaces = None
for sce_vnf in instanceDict['vnfs']:
for vm in sce_vnf['vms']:
if vm["uuid"] == vdu_id:
vm_interfaces = vm["interfaces"]
break
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": target_vm["datacenter_tenant_id"],
"action": "DELETE",
"status": "SCHEDULED",
"item": "instance_vms",
"item_id": vdu_id,
"extra": yaml.safe_dump({"params": vm_interfaces},
default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
vm_result["deleted"].append(vdu_id)
# delete from database
db_instance_vms.append({"TO-DELETE": vdu_id})
else: # vdu["type"] == "create":
iface2iface = {}
where = {"item": "instance_vms", "item_id": target_vm["uuid"], "action": "CREATE"}
vim_action_to_clone = mydb.get_rows(FROM="vim_wim_actions", WHERE=where)
if not vim_action_to_clone:
raise NfvoException("Cannot find the vim_action at database with {}".format(where), httperrors.Internal_Server_Error)
vim_action_to_clone = vim_action_to_clone[0]
extra = yaml.safe_load(vim_action_to_clone["extra"])
# generate a new depends_on. Convert format TASK-Y into new format TASK-ACTION-XXXX.XXXX.Y
# TODO do the same for flavor and image when available
task_depends_on = []
task_params = extra["params"]
task_params_networks = deepcopy(task_params[5])
for iface in task_params[5]:
if iface["net_id"].startswith("TASK-"):
if "." not in iface["net_id"]:
task_depends_on.append("{}.{}".format(vim_action_to_clone["instance_action_id"],
iface["net_id"][5:]))
iface["net_id"] = "TASK-{}.{}".format(vim_action_to_clone["instance_action_id"],
iface["net_id"][5:])
else:
task_depends_on.append(iface["net_id"][5:])
if "mac_address" in iface:
del iface["mac_address"]
vm_ifaces_to_clone = mydb.get_rows(FROM="instance_interfaces", WHERE={"instance_vm_id": target_vm["uuid"]})
for index in range(0, vdu_count):
vm_uuid = str(uuid4())
vm_name = target_vm.get('vim_name')
try:
suffix = vm_name.rfind("-")
vm_name = vm_name[:suffix+1] + str(index + 1 + int(vm_name[suffix+1:]))
except Exception:
pass
db_instance_vm = {
"uuid": vm_uuid,
'instance_vnf_id': target_vm['instance_vnf_id'],
'vm_id': target_vm['vm_id'],
'vim_name': vm_name
}
db_instance_vms.append(db_instance_vm)
for vm_iface in vm_ifaces_to_clone:
iface_uuid = str(uuid4())
iface2iface[vm_iface["uuid"]] = iface_uuid
db_vm_iface = {
"uuid": iface_uuid,
'instance_vm_id': vm_uuid,
"instance_net_id": vm_iface["instance_net_id"],
'interface_id': vm_iface['interface_id'],
'type': vm_iface['type'],
'floating_ip': vm_iface['floating_ip'],
'port_security': vm_iface['port_security']
}
db_instance_interfaces.append(db_vm_iface)
task_params_copy = deepcopy(task_params)
for iface in task_params_copy[5]:
iface["uuid"] = iface2iface[iface["uuid"]]
# increment ip_address
if "ip_address" in iface:
ip = iface.get("ip_address")
i = ip.rfind(".")
if i > 0:
try:
i += 1
ip = ip[i:] + str(int(ip[:i]) + 1)
iface["ip_address"] = ip
except:
iface["ip_address"] = None
if vm_name:
task_params_copy[0] = vm_name
db_vim_action = {
"instance_action_id": instance_action_id,
"task_index": task_index,
"datacenter_vim_id": vim_action_to_clone["datacenter_vim_id"],
"action": "CREATE",
"status": "SCHEDULED",
"item": "instance_vms",
"item_id": vm_uuid,
# ALF
# ALF
# TODO examinar parametros, quitar MAC o incrementar. Incrementar IP y colocar las dependencias con ACTION-asdfasd.
# ALF
# ALF
"extra": yaml.safe_dump({"params": task_params_copy, "depends_on": task_depends_on}, default_flow_style=True, width=256)
}
task_index += 1
db_vim_actions.append(db_vim_action)
vm_result["created"].append(vm_uuid)
db_instance_action["number_tasks"] = task_index
db_tables = [
{"instance_vms": db_instance_vms},
{"instance_interfaces": db_instance_interfaces},
{"instance_actions": db_instance_action},
# TODO revise sfps
# {"instance_sfis": db_instance_sfis},
# {"instance_sfs": db_instance_sfs},
# {"instance_classifications": db_instance_classifications},
# {"instance_sfps": db_instance_sfps},
{"vim_wim_actions": db_vim_actions}
]
logger.debug("create_vdu done DB tables: %s",
yaml.safe_dump(db_tables, indent=4, default_flow_style=False))
mydb.new_rows(db_tables, [])
for myvim_thread in myvim_threads_id.values():
vim_threads["running"][myvim_thread].insert_task(db_vim_actions)
return vm_result
input_vnfs = action_dict.pop("vnfs", [])
input_vms = action_dict.pop("vms", [])
action_over_all = True if not input_vnfs and not input_vms else False
for sce_vnf in instanceDict['vnfs']:
for vm in sce_vnf['vms']:
if not action_over_all and sce_vnf['uuid'] not in input_vnfs and sce_vnf['vnf_name'] not in input_vnfs and \
sce_vnf['member_vnf_index'] not in input_vnfs and \
vm['uuid'] not in input_vms and vm['name'] not in input_vms:
continue
try:
if "add_public_key" in action_dict:
mgmt_access = {}
if sce_vnf.get('mgmt_access'):
mgmt_access = yaml.load(sce_vnf['mgmt_access'])
ssh_access = mgmt_access['config-access']['ssh-access']
tenant = mydb.get_rows_by_id('nfvo_tenants', nfvo_tenant)
try:
if ssh_access['required'] and ssh_access['default-user']:
if 'ip_address' in vm:
mgmt_ip = vm['ip_address'].split(';')
password = mgmt_access['config-access'].get('password')
priv_RO_key = decrypt_key(tenant[0]['encrypted_RO_priv_key'], tenant[0]['uuid'])
myvim.inject_user_key(mgmt_ip[0], ssh_access['default-user'],
action_dict['add_public_key'],
password=password, ro_key=priv_RO_key)
else:
raise NfvoException("Unable to inject ssh key in vm: {} - Aborting".format(vm['uuid']),
httperrors.Internal_Server_Error)
except KeyError:
raise NfvoException("Unable to inject ssh key in vm: {} - Aborting".format(vm['uuid']),
httperrors.Internal_Server_Error)
else:
raise NfvoException("Unable to inject ssh key in vm: {} - Aborting".format(vm['uuid']),
httperrors.Internal_Server_Error)
else:
data = myvim.action_vminstance(vm['vim_vm_id'], action_dict)
if "console" in action_dict:
if not global_config["http_console_proxy"]:
vm_result[ vm['uuid'] ] = {"vim_result": 200,
"description": "{protocol}//{ip}:{port}/{suffix}".format(
protocol=data["protocol"],
ip = data["server"],
port = data["port"],
suffix = data["suffix"]),
"name":vm['name']
}
vm_ok +=1
elif data["server"]=="127.0.0.1" or data["server"]=="localhost":
vm_result[ vm['uuid'] ] = {"vim_result": -httperrors.Unauthorized,
"description": "this console is only reachable by local interface",
"name":vm['name']
}
vm_error+=1
else:
#print "console data", data
try:
console_thread = create_or_use_console_proxy_thread(data["server"], data["port"])
vm_result[ vm['uuid'] ] = {"vim_result": 200,
"description": "{protocol}//{ip}:{port}/{suffix}".format(
protocol=data["protocol"],
ip = global_config["http_console_host"],
port = console_thread.port,
suffix = data["suffix"]),
"name":vm['name']
}
vm_ok +=1
except NfvoException as e:
vm_result[ vm['uuid'] ] = {"vim_result": e.http_code, "name":vm['name'], "description": str(e)}
vm_error+=1
else:
vm_result[ vm['uuid'] ] = {"vim_result": 200, "description": "ok", "name":vm['name']}
vm_ok +=1
except vimconn.vimconnException as e:
vm_result[ vm['uuid'] ] = {"vim_result": e.http_code, "name":vm['name'], "description": str(e)}
vm_error+=1
if vm_ok==0: #all goes wrong
return vm_result
else:
return vm_result
def instance_action_get(mydb, nfvo_tenant, instance_id, action_id):
filter = {}
if nfvo_tenant and nfvo_tenant != "any":
filter["tenant_id"] = nfvo_tenant
if instance_id and instance_id != "any":
filter["instance_id"] = instance_id
if action_id:
filter["uuid"] = action_id
rows = mydb.get_rows(FROM="instance_actions", WHERE=filter)
if action_id:
if not rows:
raise NfvoException("Not found any action with this criteria", httperrors.Not_Found)
vim_wim_actions = mydb.get_rows(FROM="vim_wim_actions", WHERE={"instance_action_id": action_id})
rows[0]["vim_wim_actions"] = vim_wim_actions
# for backward compatibility set vim_actions = vim_wim_actions
rows[0]["vim_actions"] = vim_wim_actions
return {"actions": rows}
def create_or_use_console_proxy_thread(console_server, console_port):
#look for a non-used port
console_thread_key = console_server + ":" + str(console_port)
if console_thread_key in global_config["console_thread"]:
#global_config["console_thread"][console_thread_key].start_timeout()
return global_config["console_thread"][console_thread_key]
for port in global_config["console_port_iterator"]():
#print "create_or_use_console_proxy_thread() port:", port
if port in global_config["console_ports"]:
continue
try:
clithread = cli.ConsoleProxyThread(global_config['http_host'], port, console_server, console_port)
clithread.start()
global_config["console_thread"][console_thread_key] = clithread
global_config["console_ports"][port] = console_thread_key
return clithread
except cli.ConsoleProxyExceptionPortUsed as e:
#port used, try with onoher
continue
except cli.ConsoleProxyException as e:
raise NfvoException(str(e), httperrors.Bad_Request)
raise NfvoException("Not found any free 'http_console_ports'", httperrors.Conflict)
def check_tenant(mydb, tenant_id):
'''check that tenant exists at database'''
tenant = mydb.get_rows(FROM='nfvo_tenants', SELECT=('uuid',), WHERE={'uuid': tenant_id})
if not tenant:
raise NfvoException("tenant '{}' not found".format(tenant_id), httperrors.Not_Found)
return
def new_tenant(mydb, tenant_dict):
tenant_uuid = str(uuid4())
tenant_dict['uuid'] = tenant_uuid
try:
pub_key, priv_key = create_RO_keypair(tenant_uuid)
tenant_dict['RO_pub_key'] = pub_key
tenant_dict['encrypted_RO_priv_key'] = priv_key
mydb.new_row("nfvo_tenants", tenant_dict, confidential_data=True)
except db_base_Exception as e:
raise NfvoException("Error creating the new tenant: {} ".format(tenant_dict['name']) + str(e), e.http_code)
return tenant_uuid
def delete_tenant(mydb, tenant):
#get nfvo_tenant info
tenant_dict = mydb.get_table_by_uuid_name('nfvo_tenants', tenant, 'tenant')
mydb.delete_row_by_id("nfvo_tenants", tenant_dict['uuid'])
return tenant_dict['uuid'] + " " + tenant_dict["name"]
def new_datacenter(mydb, datacenter_descriptor):
sdn_port_mapping = None
if "config" in datacenter_descriptor:
sdn_port_mapping = datacenter_descriptor["config"].pop("sdn-port-mapping", None)
datacenter_descriptor["config"] = yaml.safe_dump(datacenter_descriptor["config"], default_flow_style=True,
width=256)
# Check that datacenter-type is correct
datacenter_type = datacenter_descriptor.get("type", "openvim");
# module_info = None
try:
module = "vimconn_" + datacenter_type
pkg = __import__("osm_ro." + module)
# vim_conn = getattr(pkg, module)
# module_info = imp.find_module(module, [__file__[:__file__.rfind("/")]])
except (IOError, ImportError):
# if module_info and module_info[0]:
# file.close(module_info[0])
raise NfvoException("Incorrect datacenter type '{}'. Plugin '{}.py' not installed".format(datacenter_type,
module),
httperrors.Bad_Request)
datacenter_id = mydb.new_row("datacenters", datacenter_descriptor, add_uuid=True, confidential_data=True)
if sdn_port_mapping:
try:
datacenter_sdn_port_mapping_set(mydb, None, datacenter_id, sdn_port_mapping)
except Exception as e:
mydb.delete_row_by_id("datacenters", datacenter_id) # Rollback
raise e
return datacenter_id
def edit_datacenter(mydb, datacenter_id_name, datacenter_descriptor):
# obtain data, check that only one exist
datacenter = mydb.get_table_by_uuid_name('datacenters', datacenter_id_name)
# edit data
datacenter_id = datacenter['uuid']
where = {'uuid': datacenter['uuid']}
remove_port_mapping = False
new_sdn_port_mapping = None
if "config" in datacenter_descriptor:
if datacenter_descriptor['config'] != None:
try:
new_config_dict = datacenter_descriptor["config"]
if "sdn-port-mapping" in new_config_dict:
remove_port_mapping = True
new_sdn_port_mapping = new_config_dict.pop("sdn-port-mapping")
# delete null fields
to_delete = []
for k in new_config_dict:
if new_config_dict[k] is None:
to_delete.append(k)
if k == 'sdn-controller':
remove_port_mapping = True
config_text = datacenter.get("config")
if not config_text:
config_text = '{}'
config_dict = yaml.load(config_text)
config_dict.update(new_config_dict)
# delete null fields
for k in to_delete:
del config_dict[k]
except Exception as e:
raise NfvoException("Bad format at datacenter:config " + str(e), httperrors.Bad_Request)
if config_dict:
datacenter_descriptor["config"] = yaml.safe_dump(config_dict, default_flow_style=True, width=256)
else:
datacenter_descriptor["config"] = None
if remove_port_mapping:
try:
datacenter_sdn_port_mapping_delete(mydb, None, datacenter_id)
except ovimException as e:
raise NfvoException("Error deleting datacenter-port-mapping " + str(e), httperrors.Conflict)
mydb.update_rows('datacenters', datacenter_descriptor, where)
if new_sdn_port_mapping:
try:
datacenter_sdn_port_mapping_set(mydb, None, datacenter_id, new_sdn_port_mapping)
except ovimException as e:
# Rollback
mydb.update_rows('datacenters', datacenter, where)
raise NfvoException("Error adding datacenter-port-mapping " + str(e), httperrors.Conflict)
return datacenter_id
def delete_datacenter(mydb, datacenter):
#get nfvo_tenant info
datacenter_dict = mydb.get_table_by_uuid_name('datacenters', datacenter, 'datacenter')
mydb.delete_row_by_id("datacenters", datacenter_dict['uuid'])
try:
datacenter_sdn_port_mapping_delete(mydb, None, datacenter_dict['uuid'])
except ovimException as e:
raise NfvoException("Error deleting datacenter-port-mapping " + str(e))
return datacenter_dict['uuid'] + " " + datacenter_dict['name']
def create_vim_account(mydb, nfvo_tenant, datacenter_id, name=None, vim_id=None, vim_tenant=None, vim_tenant_name=None,
vim_username=None, vim_password=None, config=None):
# get datacenter info
try:
if not datacenter_id:
if not vim_id:
raise NfvoException("You must provide 'vim_id", http_code=httperrors.Bad_Request)
datacenter_id = vim_id
datacenter_id, datacenter_name = get_datacenter_uuid(mydb, None, datacenter_id)
create_vim_tenant = True if not vim_tenant and not vim_tenant_name else False
# get nfvo_tenant info
tenant_dict = mydb.get_table_by_uuid_name('nfvo_tenants', nfvo_tenant)
if vim_tenant_name==None:
vim_tenant_name=tenant_dict['name']
tenants_datacenter_dict={"nfvo_tenant_id":tenant_dict['uuid'], "datacenter_id":datacenter_id }
# #check that this association does not exist before
# tenants_datacenters = mydb.get_rows(FROM='tenants_datacenters', WHERE=tenants_datacenter_dict)
# if len(tenants_datacenters)>0:
# raise NfvoException("datacenter '{}' and tenant'{}' are already attached".format(datacenter_id, tenant_dict['uuid']), httperrors.Conflict)
vim_tenant_id_exist_atdb=False
if not create_vim_tenant:
where_={"datacenter_id": datacenter_id}
if vim_tenant!=None:
where_["vim_tenant_id"] = vim_tenant
if vim_tenant_name!=None:
where_["vim_tenant_name"] = vim_tenant_name
#check if vim_tenant_id is already at database
datacenter_tenants_dict = mydb.get_rows(FROM='datacenter_tenants', WHERE=where_)
if len(datacenter_tenants_dict)>=1:
datacenter_tenants_dict = datacenter_tenants_dict[0]
vim_tenant_id_exist_atdb=True
#TODO check if a field has changed and edit entry at datacenter_tenants at DB
else: #result=0
datacenter_tenants_dict = {}
#insert at table datacenter_tenants
else: #if vim_tenant==None:
#create tenant at VIM if not provided
try:
_, myvim = get_datacenter_by_name_uuid(mydb, None, datacenter, vim_user=vim_username,
vim_passwd=vim_password)
datacenter_name = myvim["name"]
vim_tenant = myvim.new_tenant(vim_tenant_name, "created by openmano for datacenter "+datacenter_name)
except vimconn.vimconnException as e:
raise NfvoException("Not possible to create vim_tenant {} at VIM: {}".format(vim_tenant_id, str(e)), httperrors.Internal_Server_Error)
datacenter_tenants_dict = {}
datacenter_tenants_dict["created"]="true"
#fill datacenter_tenants table
if not vim_tenant_id_exist_atdb:
datacenter_tenants_dict["vim_tenant_id"] = vim_tenant
datacenter_tenants_dict["vim_tenant_name"] = vim_tenant_name
datacenter_tenants_dict["user"] = vim_username
datacenter_tenants_dict["passwd"] = vim_password
datacenter_tenants_dict["datacenter_id"] = datacenter_id
if name:
datacenter_tenants_dict["name"] = name
else:
datacenter_tenants_dict["name"] = datacenter_name
if config:
datacenter_tenants_dict["config"] = yaml.safe_dump(config, default_flow_style=True, width=256)
id_ = mydb.new_row('datacenter_tenants', datacenter_tenants_dict, add_uuid=True, confidential_data=True)
datacenter_tenants_dict["uuid"] = id_
#fill tenants_datacenters table
datacenter_tenant_id = datacenter_tenants_dict["uuid"]
tenants_datacenter_dict["datacenter_tenant_id"] = datacenter_tenant_id
mydb.new_row('tenants_datacenters', tenants_datacenter_dict)
# create thread
thread_name = get_non_used_vim_name(datacenter_name, datacenter_id, tenant_dict['name'], tenant_dict['uuid'])
new_thread = vim_thread.vim_thread(task_lock, thread_name, datacenter_name, datacenter_tenant_id,
db=db, db_lock=db_lock, ovim=ovim)
new_thread.start()
thread_id = datacenter_tenants_dict["uuid"]
vim_threads["running"][thread_id] = new_thread
return thread_id
except vimconn.vimconnException as e:
raise NfvoException(str(e), httperrors.Bad_Request)
def edit_vim_account(mydb, nfvo_tenant, datacenter_tenant_id, datacenter_id=None, name=None, vim_tenant=None,
vim_tenant_name=None, vim_username=None, vim_password=None, config=None):
# get vim_account; check is valid for this tenant
from_ = "datacenter_tenants as dt JOIN tenants_datacenters as td ON dt.uuid=td.datacenter_tenant_id"
where_ = {"td.nfvo_tenant_id": nfvo_tenant}
if datacenter_tenant_id:
where_["dt.uuid"] = datacenter_tenant_id
if datacenter_id:
where_["dt.datacenter_id"] = datacenter_id
vim_accounts = mydb.get_rows(SELECT="dt.uuid as uuid, config", FROM=from_, WHERE=where_)
if not vim_accounts:
raise NfvoException("vim_account not found for this tenant", http_code=httperrors.Not_Found)
elif len(vim_accounts) > 1:
raise NfvoException("found more than one vim_account for this tenant", http_code=httperrors.Conflict)
datacenter_tenant_id = vim_accounts[0]["uuid"]
original_config = vim_accounts[0]["config"]
update_ = {}
if config:
original_config_dict = yaml.load(original_config)
original_config_dict.update(config)
update["config"] = yaml.safe_dump(original_config_dict, default_flow_style=True, width=256)
if name:
update_['name'] = name
if vim_tenant:
update_['vim_tenant_id'] = vim_tenant
if vim_tenant_name:
update_['vim_tenant_name'] = vim_tenant_name
if vim_username:
update_['user'] = vim_username
if vim_password:
update_['passwd'] = vim_password
if update_:
mydb.update_rows("datacenter_tenants", UPDATE=update_, WHERE={"uuid": datacenter_tenant_id})
vim_threads["running"][datacenter_tenant_id].insert_task("reload")
return datacenter_tenant_id
def delete_vim_account(mydb, tenant_id, vim_account_id, datacenter=None):
#get nfvo_tenant info
if not tenant_id or tenant_id=="any":
tenant_uuid = None
else:
tenant_dict = mydb.get_table_by_uuid_name('nfvo_tenants', tenant_id)
tenant_uuid = tenant_dict['uuid']
#check that this association exist before
tenants_datacenter_dict = {}
if datacenter:
datacenter_id, _ = get_datacenter_uuid(mydb, tenant_uuid, datacenter)
tenants_datacenter_dict["datacenter_id"] = datacenter_id
elif vim_account_id:
tenants_datacenter_dict["datacenter_tenant_id"] = vim_account_id
if tenant_uuid:
tenants_datacenter_dict["nfvo_tenant_id"] = tenant_uuid
tenant_datacenter_list = mydb.get_rows(FROM='tenants_datacenters', WHERE=tenants_datacenter_dict)
if len(tenant_datacenter_list)==0 and tenant_uuid:
raise NfvoException("datacenter '{}' and tenant '{}' are not attached".format(datacenter_id, tenant_dict['uuid']), httperrors.Not_Found)
#delete this association
mydb.delete_row(FROM='tenants_datacenters', WHERE=tenants_datacenter_dict)
#get vim_tenant info and deletes
warning=''
for tenant_datacenter_item in tenant_datacenter_list:
vim_tenant_dict = mydb.get_table_by_uuid_name('datacenter_tenants', tenant_datacenter_item['datacenter_tenant_id'])
#try to delete vim:tenant
try:
mydb.delete_row_by_id('datacenter_tenants', tenant_datacenter_item['datacenter_tenant_id'])
if vim_tenant_dict['created']=='true':
#delete tenant at VIM if created by NFVO
try:
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
myvim.delete_tenant(vim_tenant_dict['vim_tenant_id'])
except vimconn.vimconnException as e:
warning = "Not possible to delete vim_tenant_id {} from VIM: {} ".format(vim_tenant_dict['vim_tenant_id'], str(e))
logger.warn(warning)
except db_base_Exception as e:
logger.error("Cannot delete datacenter_tenants " + str(e))
pass # the error will be caused because dependencies, vim_tenant can not be deleted
thread_id = tenant_datacenter_item["datacenter_tenant_id"]
thread = vim_threads["running"].get(thread_id)
if thread:
thread.insert_task("exit")
vim_threads["deleting"][thread_id] = thread
return "datacenter {} detached. {}".format(datacenter_id, warning)
def datacenter_action(mydb, tenant_id, datacenter, action_dict):
#DEPRECATED
#get datacenter info
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
if 'net-update' in action_dict:
try:
nets = myvim.get_network_list(filter_dict={'shared': True, 'admin_state_up': True, 'status': 'ACTIVE'})
#print content
except vimconn.vimconnException as e:
#logger.error("nfvo.datacenter_action() Not possible to get_network_list from VIM: %s ", str(e))
raise NfvoException(str(e), httperrors.Internal_Server_Error)
#update nets Change from VIM format to NFVO format
net_list=[]
for net in nets:
net_nfvo={'datacenter_id': datacenter_id}
net_nfvo['name'] = net['name']
#net_nfvo['description']= net['name']
net_nfvo['vim_net_id'] = net['id']
net_nfvo['type'] = net['type'][0:6] #change from ('ptp','data','bridge_data','bridge_man') to ('bridge','data','ptp')
net_nfvo['shared'] = net['shared']
net_nfvo['multipoint'] = False if net['type']=='ptp' else True
net_list.append(net_nfvo)
inserted, deleted = mydb.update_datacenter_nets(datacenter_id, net_list)
logger.info("Inserted %d nets, deleted %d old nets", inserted, deleted)
return inserted
elif 'net-edit' in action_dict:
net = action_dict['net-edit'].pop('net')
what = 'vim_net_id' if utils.check_valid_uuid(net) else 'name'
result = mydb.update_rows('datacenter_nets', action_dict['net-edit'],
WHERE={'datacenter_id':datacenter_id, what: net})
return result
elif 'net-delete' in action_dict:
net = action_dict['net-deelte'].get('net')
what = 'vim_net_id' if utils.check_valid_uuid(net) else 'name'
result = mydb.delete_row(FROM='datacenter_nets',
WHERE={'datacenter_id':datacenter_id, what: net})
return result
else:
raise NfvoException("Unknown action " + str(action_dict), httperrors.Bad_Request)
def datacenter_edit_netmap(mydb, tenant_id, datacenter, netmap, action_dict):
#get datacenter info
datacenter_id, _ = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
what = 'uuid' if utils.check_valid_uuid(netmap) else 'name'
result = mydb.update_rows('datacenter_nets', action_dict['netmap'],
WHERE={'datacenter_id':datacenter_id, what: netmap})
return result
def datacenter_new_netmap(mydb, tenant_id, datacenter, action_dict=None):
#get datacenter info
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
filter_dict={}
if action_dict:
action_dict = action_dict["netmap"]
if 'vim_id' in action_dict:
filter_dict["id"] = action_dict['vim_id']
if 'vim_name' in action_dict:
filter_dict["name"] = action_dict['vim_name']
else:
filter_dict["shared"] = True
try:
vim_nets = myvim.get_network_list(filter_dict=filter_dict)
except vimconn.vimconnException as e:
#logger.error("nfvo.datacenter_new_netmap() Not possible to get_network_list from VIM: %s ", str(e))
raise NfvoException(str(e), httperrors.Internal_Server_Error)
if len(vim_nets)>1 and action_dict:
raise NfvoException("more than two networks found, specify with vim_id", httperrors.Conflict)
elif len(vim_nets)==0: # and action_dict:
raise NfvoException("Not found a network at VIM with " + str(filter_dict), httperrors.Not_Found)
net_list=[]
for net in vim_nets:
net_nfvo={'datacenter_id': datacenter_id}
if action_dict and "name" in action_dict:
net_nfvo['name'] = action_dict['name']
else:
net_nfvo['name'] = net['name']
#net_nfvo['description']= net['name']
net_nfvo['vim_net_id'] = net['id']
net_nfvo['type'] = net['type'][0:6] #change from ('ptp','data','bridge_data','bridge_man') to ('bridge','data','ptp')
net_nfvo['shared'] = net['shared']
net_nfvo['multipoint'] = False if net['type']=='ptp' else True
try:
net_id = mydb.new_row("datacenter_nets", net_nfvo, add_uuid=True)
net_nfvo["status"] = "OK"
net_nfvo["uuid"] = net_id
except db_base_Exception as e:
if action_dict:
raise
else:
net_nfvo["status"] = "FAIL: " + str(e)
net_list.append(net_nfvo)
return net_list
def get_sdn_net_id(mydb, tenant_id, datacenter, network_id):
# obtain all network data
try:
if utils.check_valid_uuid(network_id):
filter_dict = {"id": network_id}
else:
filter_dict = {"name": network_id}
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
network = myvim.get_network_list(filter_dict=filter_dict)
except vimconn.vimconnException as e:
raise NfvoException("Not possible to get_sdn_net_id from VIM: {}".format(str(e)), e.http_code)
# ensure the network is defined
if len(network) == 0:
raise NfvoException("Network {} is not present in the system".format(network_id),
httperrors.Bad_Request)
# ensure there is only one network with the provided name
if len(network) > 1:
raise NfvoException("Multiple networks present in vim identified by {}".format(network_id), httperrors.Bad_Request)
# ensure it is a dataplane network
if network[0]['type'] != 'data':
return None
# ensure we use the id
network_id = network[0]['id']
# search in dabase mano_db in table instance nets for the sdn_net_id that corresponds to the vim_net_id==network_id
# and with instance_scenario_id==NULL
#search_dict = {'vim_net_id': network_id, 'instance_scenario_id': None}
search_dict = {'vim_net_id': network_id}
try:
#sdn_network_id = mydb.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets', WHERE=search_dict)[0]['sdn_net_id']
result = mydb.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets', WHERE=search_dict)
except db_base_Exception as e:
raise NfvoException("db_base_Exception obtaining SDN network to associated to vim network {}".format(
network_id) + str(e), e.http_code)
sdn_net_counter = 0
for net in result:
if net['sdn_net_id'] != None:
sdn_net_counter+=1
sdn_net_id = net['sdn_net_id']
if sdn_net_counter == 0:
return None
elif sdn_net_counter == 1:
return sdn_net_id
else:
raise NfvoException("More than one SDN network is associated to vim network {}".format(
network_id), httperrors.Internal_Server_Error)
def get_sdn_controller_id(mydb, datacenter):
# Obtain sdn controller id
config = mydb.get_rows(SELECT=('config',), FROM='datacenters', WHERE={'uuid': datacenter})[0].get('config', '{}')
if not config:
return None
return yaml.load(config).get('sdn-controller')
def vim_net_sdn_attach(mydb, tenant_id, datacenter, network_id, descriptor):
try:
sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, network_id)
if not sdn_network_id:
raise NfvoException("No SDN network is associated to vim-network {}".format(network_id), httperrors.Internal_Server_Error)
#Obtain sdn controller id
controller_id = get_sdn_controller_id(mydb, datacenter)
if not controller_id:
raise NfvoException("No SDN controller is set for datacenter {}".format(datacenter), httperrors.Internal_Server_Error)
#Obtain sdn controller info
sdn_controller = ovim.show_of_controller(controller_id)
port_data = {
'name': 'external_port',
'net_id': sdn_network_id,
'ofc_id': controller_id,
'switch_dpid': sdn_controller['dpid'],
'switch_port': descriptor['port']
}
if 'vlan' in descriptor:
port_data['vlan'] = descriptor['vlan']
if 'mac' in descriptor:
port_data['mac'] = descriptor['mac']
result = ovim.new_port(port_data)
except ovimException as e:
raise NfvoException("ovimException attaching SDN network {} to vim network {}".format(
sdn_network_id, network_id) + str(e), httperrors.Internal_Server_Error)
except db_base_Exception as e:
raise NfvoException("db_base_Exception attaching SDN network to vim network {}".format(
network_id) + str(e), e.http_code)
return 'Port uuid: '+ result
def vim_net_sdn_detach(mydb, tenant_id, datacenter, network_id, port_id=None):
if port_id:
filter = {'uuid': port_id}
else:
sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, network_id)
if not sdn_network_id:
raise NfvoException("No SDN network is associated to vim-network {}".format(network_id),
httperrors.Internal_Server_Error)
#in case no port_id is specified only ports marked as 'external_port' will be detached
filter = {'name': 'external_port', 'net_id': sdn_network_id}
try:
port_list = ovim.get_ports(columns={'uuid'}, filter=filter)
except ovimException as e:
raise NfvoException("ovimException obtaining external ports for net {}. ".format(network_id) + str(e),
httperrors.Internal_Server_Error)
if len(port_list) == 0:
raise NfvoException("No ports attached to the network {} were found with the requested criteria".format(network_id),
httperrors.Bad_Request)
port_uuid_list = []
for port in port_list:
try:
port_uuid_list.append(port['uuid'])
ovim.delete_port(port['uuid'])
except ovimException as e:
raise NfvoException("ovimException deleting port {} for net {}. ".format(port['uuid'], network_id) + str(e), httperrors.Internal_Server_Error)
return 'Detached ports uuid: {}'.format(','.join(port_uuid_list))
def vim_action_get(mydb, tenant_id, datacenter, item, name):
#get datacenter info
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
filter_dict={}
if name:
if utils.check_valid_uuid(name):
filter_dict["id"] = name
else:
filter_dict["name"] = name
try:
if item=="networks":
#filter_dict['tenant_id'] = myvim['tenant_id']
content = myvim.get_network_list(filter_dict=filter_dict)
if len(content) == 0:
raise NfvoException("Network {} is not present in the system. ".format(name),
httperrors.Bad_Request)
#Update the networks with the attached ports
for net in content:
sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, net['id'])
if sdn_network_id != None:
try:
#port_list = ovim.get_ports(columns={'uuid', 'switch_port', 'vlan'}, filter={'name': 'external_port', 'net_id': sdn_network_id})
port_list = ovim.get_ports(columns={'uuid', 'switch_port', 'vlan','name'}, filter={'net_id': sdn_network_id})
except ovimException as e:
raise NfvoException("ovimException obtaining external ports for net {}. ".format(network_id) + str(e), httperrors.Internal_Server_Error)
#Remove field name and if port name is external_port save it as 'type'
for port in port_list:
if port['name'] == 'external_port':
port['type'] = "External"
del port['name']
net['sdn_network_id'] = sdn_network_id
net['sdn_attached_ports'] = port_list
elif item=="tenants":
content = myvim.get_tenant_list(filter_dict=filter_dict)
elif item == "images":
content = myvim.get_image_list(filter_dict=filter_dict)
else:
raise NfvoException(item + "?", httperrors.Method_Not_Allowed)
logger.debug("vim_action response %s", content) #update nets Change from VIM format to NFVO format
if name and len(content)==1:
return {item[:-1]: content[0]}
elif name and len(content)==0:
raise NfvoException("No {} found with ".format(item[:-1]) + " and ".join(map(lambda x: str(x[0])+": "+str(x[1]), filter_dict.iteritems())),
datacenter)
else:
return {item: content}
except vimconn.vimconnException as e:
print "vim_action Not possible to get_%s_list from VIM: %s " % (item, str(e))
raise NfvoException("Not possible to get_{}_list from VIM: {}".format(item, str(e)), e.http_code)
def vim_action_delete(mydb, tenant_id, datacenter, item, name):
#get datacenter info
if tenant_id == "any":
tenant_id=None
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
#get uuid name
content = vim_action_get(mydb, tenant_id, datacenter, item, name)
logger.debug("vim_action_delete vim response: " + str(content))
items = content.values()[0]
if type(items)==list and len(items)==0:
raise NfvoException("Not found " + item, httperrors.Not_Found)
elif type(items)==list and len(items)>1:
raise NfvoException("Found more than one {} with this name. Use uuid.".format(item), httperrors.Not_Found)
else: # it is a dict
item_id = items["id"]
item_name = str(items.get("name"))
try:
if item=="networks":
# If there is a SDN network associated to the vim-network, proceed to clear the relationship and delete it
sdn_network_id = get_sdn_net_id(mydb, tenant_id, datacenter, item_id)
if sdn_network_id != None:
#Delete any port attachment to this network
try:
port_list = ovim.get_ports(columns={'uuid'}, filter={'net_id': sdn_network_id})
except ovimException as e:
raise NfvoException(
"ovimException obtaining external ports for net {}. ".format(network_id) + str(e),
httperrors.Internal_Server_Error)
# By calling one by one all ports to be detached we ensure that not only the external_ports get detached
for port in port_list:
vim_net_sdn_detach(mydb, tenant_id, datacenter, item_id, port['uuid'])
#Delete from 'instance_nets' the correspondence between the vim-net-id and the sdn-net-id
try:
mydb.delete_row(FROM='instance_nets', WHERE={'instance_scenario_id': None, 'sdn_net_id': sdn_network_id, 'vim_net_id': item_id})
except db_base_Exception as e:
raise NfvoException("Error deleting correspondence for VIM/SDN dataplane networks{}: ".format(correspondence) +
str(e), e.http_code)
#Delete the SDN network
try:
ovim.delete_network(sdn_network_id)
except ovimException as e:
logger.error("ovimException deleting SDN network={} ".format(sdn_network_id) + str(e), exc_info=True)
raise NfvoException("ovimException deleting SDN network={} ".format(sdn_network_id) + str(e),
httperrors.Internal_Server_Error)
content = myvim.delete_network(item_id)
elif item=="tenants":
content = myvim.delete_tenant(item_id)
elif item == "images":
content = myvim.delete_image(item_id)
else:
raise NfvoException(item + "?", httperrors.Method_Not_Allowed)
except vimconn.vimconnException as e:
#logger.error( "vim_action Not possible to delete_{} {}from VIM: {} ".format(item, name, str(e)))
raise NfvoException("Not possible to delete_{} {} from VIM: {}".format(item, name, str(e)), e.http_code)
return "{} {} {} deleted".format(item[:-1], item_id,item_name)
def vim_action_create(mydb, tenant_id, datacenter, item, descriptor):
#get datacenter info
logger.debug("vim_action_create descriptor %s", str(descriptor))
if tenant_id == "any":
tenant_id=None
datacenter_id, myvim = get_datacenter_by_name_uuid(mydb, tenant_id, datacenter)
try:
if item=="networks":
net = descriptor["network"]
net_name = net.pop("name")
net_type = net.pop("type", "bridge")
net_public = net.pop("shared", False)
net_ipprofile = net.pop("ip_profile", None)
net_vlan = net.pop("vlan", None)
content, _ = myvim.new_network(net_name, net_type, net_ipprofile, shared=net_public, vlan=net_vlan) #, **net)
#If the datacenter has a SDN controller defined and the network is of dataplane type, then create the sdn network
if get_sdn_controller_id(mydb, datacenter) != None and (net_type == 'data' or net_type == 'ptp'):
#obtain datacenter_tenant_id
datacenter_tenant_id = mydb.get_rows(SELECT=('uuid',),
FROM='datacenter_tenants',
WHERE={'datacenter_id': datacenter})[0]['uuid']
try:
sdn_network = {}
sdn_network['vlan'] = net_vlan
sdn_network['type'] = net_type
sdn_network['name'] = net_name
sdn_network['region'] = datacenter_tenant_id
ovim_content = ovim.new_network(sdn_network)
except ovimException as e:
logger.error("ovimException creating SDN network={} ".format(
sdn_network) + str(e), exc_info=True)
raise NfvoException("ovimException creating SDN network={} ".format(sdn_network) + str(e),
httperrors.Internal_Server_Error)
# Save entry in in dabase mano_db in table instance_nets to stablish a dictionary vim_net_id <->sdn_net_id
# use instance_scenario_id=None to distinguish from real instaces of nets
correspondence = {'instance_scenario_id': None,
'sdn_net_id': ovim_content,
'vim_net_id': content,
'datacenter_tenant_id': datacenter_tenant_id
}
try:
mydb.new_row('instance_nets', correspondence, add_uuid=True)
except db_base_Exception as e:
raise NfvoException("Error saving correspondence for VIM/SDN dataplane networks{}: {}".format(
correspondence, e), e.http_code)
elif item=="tenants":
tenant = descriptor["tenant"]
content = myvim.new_tenant(tenant["name"], tenant.get("description"))
else:
raise NfvoException(item + "?", httperrors.Method_Not_Allowed)
except vimconn.vimconnException as e:
raise NfvoException("Not possible to create {} at VIM: {}".format(item, str(e)), e.http_code)
return vim_action_get(mydb, tenant_id, datacenter, item, content)
def sdn_controller_create(mydb, tenant_id, sdn_controller):
data = ovim.new_of_controller(sdn_controller)
logger.debug('New SDN controller created with uuid {}'.format(data))
return data
def sdn_controller_update(mydb, tenant_id, controller_id, sdn_controller):
data = ovim.edit_of_controller(controller_id, sdn_controller)
msg = 'SDN controller {} updated'.format(data)
logger.debug(msg)
return msg
def sdn_controller_list(mydb, tenant_id, controller_id=None):
if controller_id == None:
data = ovim.get_of_controllers()
else:
data = ovim.show_of_controller(controller_id)
msg = 'SDN controller list:\n {}'.format(data)
logger.debug(msg)
return data
def sdn_controller_delete(mydb, tenant_id, controller_id):
select_ = ('uuid', 'config')
datacenters = mydb.get_rows(FROM='datacenters', SELECT=select_)
for datacenter in datacenters:
if datacenter['config']:
config = yaml.load(datacenter['config'])
if 'sdn-controller' in config and config['sdn-controller'] == controller_id:
raise NfvoException("SDN controller {} is in use by datacenter {}".format(controller_id, datacenter['uuid']), httperrors.Conflict)
data = ovim.delete_of_controller(controller_id)
msg = 'SDN controller {} deleted'.format(data)
logger.debug(msg)
return msg
def datacenter_sdn_port_mapping_set(mydb, tenant_id, datacenter_id, sdn_port_mapping):
controller = mydb.get_rows(FROM="datacenters", SELECT=("config",), WHERE={"uuid":datacenter_id})
if len(controller) < 1:
raise NfvoException("Datacenter {} not present in the database".format(datacenter_id), httperrors.Not_Found)
try:
sdn_controller_id = yaml.load(controller[0]["config"])["sdn-controller"]
except:
raise NfvoException("The datacenter {} has not an SDN controller associated".format(datacenter_id), httperrors.Bad_Request)
sdn_controller = ovim.show_of_controller(sdn_controller_id)
switch_dpid = sdn_controller["dpid"]
maps = list()
for compute_node in sdn_port_mapping:
#element = {"ofc_id": sdn_controller_id, "region": datacenter_id, "switch_dpid": switch_dpid}
element = dict()
element["compute_node"] = compute_node["compute_node"]
for port in compute_node["ports"]:
pci = port.get("pci")
element["switch_port"] = port.get("switch_port")
element["switch_mac"] = port.get("switch_mac")
if not element["switch_port"] and not element["switch_mac"]:
raise NfvoException ("The mapping must contain 'switch_port' or 'switch_mac'", httperrors.Bad_Request)
for pci_expanded in utils.expand_brackets(pci):
element["pci"] = pci_expanded
maps.append(dict(element))
return ovim.set_of_port_mapping(maps, ofc_id=sdn_controller_id, switch_dpid=switch_dpid, region=datacenter_id)
def datacenter_sdn_port_mapping_list(mydb, tenant_id, datacenter_id):
maps = ovim.get_of_port_mappings(db_filter={"region": datacenter_id})
result = {
"sdn-controller": None,
"datacenter-id": datacenter_id,
"dpid": None,
"ports_mapping": list()
}
datacenter = mydb.get_table_by_uuid_name('datacenters', datacenter_id)
if datacenter['config']:
config = yaml.load(datacenter['config'])
if 'sdn-controller' in config:
controller_id = config['sdn-controller']
sdn_controller = sdn_controller_list(mydb, tenant_id, controller_id)
result["sdn-controller"] = controller_id
result["dpid"] = sdn_controller["dpid"]
if result["sdn-controller"] == None:
raise NfvoException("SDN controller is not defined for datacenter {}".format(datacenter_id), httperrors.Bad_Request)
if result["dpid"] == None:
raise NfvoException("It was not possible to determine DPID for SDN controller {}".format(result["sdn-controller"]),
httperrors.Internal_Server_Error)
if len(maps) == 0:
return result
ports_correspondence_dict = dict()
for link in maps:
if result["sdn-controller"] != link["ofc_id"]:
raise NfvoException("The sdn-controller specified for different port mappings differ", httperrors.Internal_Server_Error)
if result["dpid"] != link["switch_dpid"]:
raise NfvoException("The dpid specified for different port mappings differ", httperrors.Internal_Server_Error)
element = dict()
element["pci"] = link["pci"]
if link["switch_port"]:
element["switch_port"] = link["switch_port"]
if link["switch_mac"]:
element["switch_mac"] = link["switch_mac"]
if not link["compute_node"] in ports_correspondence_dict:
content = dict()
content["compute_node"] = link["compute_node"]
content["ports"] = list()
ports_correspondence_dict[link["compute_node"]] = content
ports_correspondence_dict[link["compute_node"]]["ports"].append(element)
for key in sorted(ports_correspondence_dict):
result["ports_mapping"].append(ports_correspondence_dict[key])
return result
def datacenter_sdn_port_mapping_delete(mydb, tenant_id, datacenter_id):
return ovim.clear_of_port_mapping(db_filter={"region":datacenter_id})
def create_RO_keypair(tenant_id):
"""
Creates a public / private keys for a RO tenant and returns their values
Params:
tenant_id: ID of the tenant
Return:
public_key: Public key for the RO tenant
private_key: Encrypted private key for RO tenant
"""
bits = 2048
key = RSA.generate(bits)
try:
public_key = key.publickey().exportKey('OpenSSH')
if isinstance(public_key, ValueError):
raise NfvoException("Unable to create public key: {}".format(public_key), httperrors.Internal_Server_Error)
private_key = key.exportKey(passphrase=tenant_id, pkcs=8)
except (ValueError, NameError) as e:
raise NfvoException("Unable to create private key: {}".format(e), httperrors.Internal_Server_Error)
return public_key, private_key
def decrypt_key (key, tenant_id):
"""
Decrypts an encrypted RSA key
Params:
key: Private key to be decrypted
tenant_id: ID of the tenant
Return:
unencrypted_key: Unencrypted private key for RO tenant
"""
try:
key = RSA.importKey(key,tenant_id)
unencrypted_key = key.exportKey('PEM')
if isinstance(unencrypted_key, ValueError):
raise NfvoException("Unable to decrypt the private key: {}".format(unencrypted_key), httperrors.Internal_Server_Error)
except ValueError as e:
raise NfvoException("Unable to decrypt the private key: {}".format(e), httperrors.Internal_Server_Error)
return unencrypted_key