Gitiles
Code Review Sign In
osm.etsi.org / osm / RO / a4e1a6ed87de04788ec6855fc8a5e722914e4f03 / . / nfvo.py
blob: ecfe03e5c5fb2e2a6381342ff08524eb6cf88f2c [file] [log] [blame]
# -*- coding: utf-8 -*-
##
# Copyright 2015 Telefónica Investigación 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 db_base import HTTP_Unauthorized, HTTP_Bad_Request, HTTP_Internal_Server_Error, HTTP_Not_Found,\
HTTP_Conflict, HTTP_Method_Not_Allowed
import console_proxy_thread as cli
import vimconn
import logging
from db_base import db_base_Exception
global global_config
global vimconn_imported
vimconn_imported={} #dictionary with VIM type as key, loaded module as value
logger = logging.getLogger('mano.nfvo')
class NfvoException(Exception):
def __init__(self, message, http_code):
self.http_code = http_code
Exception.__init__(self, message)
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):
'''Obtain imageList
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 )
images = mydb.get_rows(FROM='vms join images on vms.image_id=images.uuid',SELECT=('image_id',),WHERE=WHERE_dict )
imageList=[]
for image in images:
imageList.append(image['image_id'])
return imageList
def get_vim(mydb, nfvo_tenant=None, datacenter_id=None, datacenter_name=None, vim_tenant=None):
'''Obtain a dictionary of VIM (datacenter) classes with some of the input parameters
return result, content:
<0, error_text upon error
NUMBER, dictionary with datacenter_id: vim_class with these keys:
'nfvo_tenant_id','datacenter_id','vim_tenant_id','vim_url','vim_url_admin','datacenter_name','type','user','passwd'
'''
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_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 nfvo_tenant or vim_tenant:
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','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')
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')}
if vim["config"] != None:
extra.update(yaml.load(vim["config"]))
if vim["type"] not in vimconn_imported:
module_info=None
try:
module = "vimconn_" + vim["type"]
module_info = imp.find_module(module)
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 '{}'. Can not open file '{}.py'; {}: {}".format(
vim["type"], module, type(e).__name__, str(e)), HTTP_Bad_Request)
try:
#if not tenant:
# return -HTTP_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'), tenant_name=vim.get('vim_tenant_name'),
url=vim['vim_url'], url_admin=vim['vim_url_admin'],
user=vim.get('user'), passwd=vim.get('passwd'),
config=extra
)
except Exception as e:
raise NfvoException("Error at VIM {}; {}: {}".format(vim["type"], type(e).__name__, str(e)), HTTP_Internal_Server_Error)
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
vim=vims[ item["vim_id"] ]
try:
if item["what"]=="image":
vim.delete_image(item["uuid"])
mydb.delete_row(FROM="datacenters_images", WHERE={"datacenter_id": vim["id"], "vim_id":item["uuid"]})
elif item["what"]=="flavor":
vim.delete_flavor(item["uuid"])
mydb.delete_row(FROM="datacenters_flavos", WHERE={"datacenter_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):
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_list = []
#dataplane interfaces
for numa in vnfc.get("numas",() ):
for interface in numa.get("interfaces",()):
if interface["name"] in name_list:
raise NfvoException("Error at vnf:VNFC[name:'{}']:numas:interfaces:name, interface name '{}' already used in this VNFC"\
.format(vnfc["name"], interface["name"]),
HTTP_Bad_Request)
name_list.append( interface["name"] )
#bridge interfaces
for interface in vnfc.get("bridge-ifaces",() ):
if interface["name"] in name_list:
raise NfvoException("Error at vnf:VNFC[name:'{}']:bridge-ifaces:name, interface name '{}' already used in this VNFC"\
.format(vnfc["name"], interface["name"]),
HTTP_Bad_Request)
name_list.append( interface["name"] )
vnfc_interfaces[ vnfc["name"] ] = name_list
#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"]),
HTTP_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"]),
HTTP_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"]),
HTTP_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"]),
HTTP_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["type"] == "ptp":
raise NfvoException("Error at vnf:internal-connections[name:'{}']:elements, size must be 2 for a type:'ptp'"\
.format(internal_connection["name"]),
HTTP_Bad_Request)
for port in internal_connection["elements"]:
if port["VNFC"] not in vnfc_interfaces:
raise NfvoException("Error at vnf:internal-connections[name:'{}']:elements[]:VNFC, value '{}' does not match any VNFC"\
.format(internal_connection["name"], port["VNFC"]),
HTTP_Bad_Request)
if port["local_iface_name"] not in vnfc_interfaces[ port["VNFC"] ]:
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"], port["local_iface_name"]),
HTTP_Bad_Request)
return -HTTP_Bad_Request,
def create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=False, return_on_error = False):
#look if image exist
if only_create_at_vim:
image_mano_id = image_dict['uuid']
else:
images = mydb.get_rows(FROM="images", WHERE={'location':image_dict['location'], 'metadata':image_dict['metadata']})
if len(images)>=1:
image_mano_id = images[0]['uuid']
else:
#create image
temp_image_dict={'name':image_dict['name'], 'description':image_dict.get('description',None),
'location':image_dict['location'], 'metadata':image_dict.get('metadata',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():
image_created="false"
#look at database
image_db = mydb.get_rows(FROM="datacenters_images", WHERE={'datacenter_id':vim_id, 'image_id':image_mano_id})
#look at VIM if this image exist
try:
image_vim_id = vim.get_image_id_from_path(image_dict['location'])
except vimconn.vimconnNotFoundException as e:
#Create the image in VIM
try:
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"
except vimconn.vimconnException as e:
if return_on_error:
logger.error("Error creating image at VIM: %s", str(e))
raise
image_vim_id = str(e)
logger.warn("Error creating image at VIM: %s", str(e))
continue
except vimconn.vimconnException as e:
logger.warn("Error contacting VIM to know if the image exist at VIM: %s", str(e))
image_vim_id = str(e)
continue
#if reach here the image has been create or exist
if len(image_db)==0:
#add new vim_id at datacenters_images
mydb.new_row('datacenters_images', {'datacenter_id':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_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 = False):
temp_flavor_dict= {'disk':flavor_dict.get('disk',1),
'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']
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:
continue
image_dict={'location':device['image'], 'name':flavor_dict['name']+str(dev_nb)+"-img", 'description':flavor_dict.get('description')}
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():
flavor_created="false"
#look at database
flavor_db = mydb.get_rows(FROM="datacenters_flavors", WHERE={'datacenter_id':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
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']
dev_nb=0
for index in range(0,len(devices_original)) :
device=devices_original[index]
if "image" not in device:
continue
image_dict={'location':device['image'], 'name':flavor_dict['name']+str(dev_nb)+"-img", 'description':flavor_dict.get('description')}
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)
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 = 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))
continue
#if reach here the flavor has been create or exist
if len(flavor_db)==0:
#add new vim_id at datacenters_flavors
mydb.new_row('datacenters_flavors', {'datacenter_id':vim_id, 'flavor_id':flavor_mano_id, 'vim_id': flavor_vim_id, 'created':flavor_created})
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_id':vim_id, 'flavor_id':flavor_mano_id})
return flavor_vim_id if only_create_at_vim else flavor_mano_id
def new_vnf(mydb, tenant_id, vnf_descriptor):
global global_config
# Step 1. Check the VNF descriptor
check_vnf_descriptor(vnf_descriptor)
# Step 2. Check tenant exist
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),
HTTP_Unauthorized)
else:
vnf_descriptor['vnf']['tenant_id'] = tenant_id
# Step 3. Get the URL of the VIM from the nfvo_tenant and the datacenter
vims = get_vim(mydb, tenant_id)
else:
vims={}
# 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 5. Check internal connections
# TODO: to be moved to step 1????
internal_connections=vnf_descriptor['vnf'].get('internal_connections',[])
for ic in internal_connections:
if len(ic['elements'])>2 and ic['type']=='ptp':
raise NfvoException("Mismatch 'type':'ptp' with {} elements at 'vnf':'internal-conections'['name':'{}']. Change 'type' to 'data'".format(len(ic), ic['name']),
HTTP_Bad_Request)
elif len(ic['elements'])==2 and ic['type']=='data':
raise NfvoException("Mismatch 'type':'data' with 2 elements at 'vnf':'internal-conections'['name':'{}']. Change 'type' to 'ptp'".format(ic['name']),
HTTP_Bad_Request)
# 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"
myflavorDict["description"] = VNFCitem["description"]
myflavorDict["ram"] = vnfc.get("ram", 0)
myflavorDict["vcpus"] = vnfc.get("vcpus", 0)
myflavorDict["disk"] = vnfc.get("disk", 1)
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 -HTTP_Bad_Request, "Error creating flavor: unknown processor model. Rollback successful."
# else:
# return -HTTP_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={'location':vnfc['VNFC image'], 'name':vnfc['name']+"-img", 'description':VNFCDict[vnfc['name']]['description']}
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['VNFC image']
# 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 = HTTP_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", "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.name as name', 'vms.description as description'),
WHERE={'vnfs.uuid': vnf_id} )
if len(content)==0:
raise NfvoException("vnf '{}' not found".format(vnf_id), HTTP_Not_Found)
data['vnf']['VNFC'] = content
#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 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},
WHERE_NOT={'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)
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), HTTP_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 flavor_vim["datacenter_id"] not in vims:
continue
if flavor_vim['created']=='false': #skip this flavor because not created by openmano
continue
myvim=vims[ flavor_vim["datacenter_id"] ]
try:
myvim.delete_flavor(flavor_vim["vim_id"])
except vimconn.vimconnNotFoundException as e:
logger.warn("VIM flavor %s not exist at datacenter %s", flavor_vim["vim_id"], flavor_vim["datacenter_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_id"], type(e).__name__, str(e))
undeletedItems.append("flavor {} from VIM {}".format(flavor_vim["vim_id"], flavor_vim["datacenter_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 %s" % flavor)
for image in imageList:
try:
#check if image is used by other vnf
c = mydb.get_rows(FROM='vms', WHERE={'image_id':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_id"] not in vims:
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)
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 -HTTP_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)), HTTP_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", HTTP_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)
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),
HTTP_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={}
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) == 0:
raise NfvoException("Descriptor need a 'vnf_id' or 'VNF model' field at " + error_pos, HTTP_Bad_Request)
vnf_db = mydb.get_rows(SELECT=('uuid','name','description'),
FROM='vnfs',
WHERE=where,
WHERE_OR=where_or,
WHERE_AND_OR="AND")
if len(vnf_db)==0:
raise NfvoException("unknown" + error_text + " at " + error_pos, HTTP_Not_Found)
elif len(vnf_db)>1:
raise NfvoException("more than one" + error_text + " at " + error_pos + " Concrete with 'vnf_id'", HTTP_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']}, WHERE_NOT={'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 = []
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)), HTTP_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.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]), HTTP_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]), HTTP_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]
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, HTTP_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, HTTP_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 -HTTP_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 -HTTP_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 -HTTP_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, HTTP_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 -HTTP_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': "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, HTTP_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, HTTP_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
def new_scenario_v02(mydb, tenant_id, scenario_dict):
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), HTTP_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={}
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_name' in vnf:
error_text += " 'vnf_name' " + vnf['vnf_name']
where['name'] = vnf['vnf_name']
if len(where) == 0:
raise NfvoException("Needed a 'vnf_id' or 'VNF model' at " + error_pos, HTTP_Bad_Request)
vnf_db = mydb.get_rows(SELECT=('uuid','name','description'),
FROM='vnfs',
WHERE=where,
WHERE_OR=where_or,
WHERE_AND_OR="AND")
if len(vnf_db)==0:
raise NfvoException("Unknown" + error_text + " at " + error_pos, HTTP_Not_Found)
elif len(vnf_db)>1:
raise NfvoException("More than one" + error_text + " at " + error_pos + " Concrete with 'vnf_id'", HTTP_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']}, WHERE_NOT={'external_name':None} )
for ext_iface in ext_ifaces:
vnf['ifaces'][ ext_iface['name'] ] = {'uuid':ext_iface['iface_uuid'], 'type':ext_iface['type']}
#2: Insert net_key at every vnf interface
for net_name,net in scenario["networks"].iteritems():
net_type_bridge=False
net_type_data=False
for iface_dict in net["interfaces"]:
for vnf,iface in iface_dict.iteritems():
if vnf not in scenario["vnfs"]:
error_text = "Error at 'networks':'%s':'interfaces' VNF '%s' not match any VNF at 'vnfs'" % (net_name, vnf)
#print "nfvo.new_scenario_v02 " + error_text
raise NfvoException(error_text, HTTP_Not_Found)
if iface not in scenario["vnfs"][vnf]['ifaces']:
error_text = "Error at 'networks':'%s':'interfaces':'%s' interface not match any VNF interface" % (net_name, iface)
#print "nfvo.new_scenario_v02 " + error_text
raise NfvoException(error_text, HTTP_Bad_Request)
if "net_key" in scenario["vnfs"][vnf]['ifaces'][iface]:
error_text = "Error at 'networks':'%s':'interfaces':'%s' interface already connected at network '%s'" \
% (net_name, iface,scenario["vnfs"][vnf]['ifaces'][iface]['net_key'])
#print "nfvo.new_scenario_v02 " + error_text
raise NfvoException(error_text, HTTP_Bad_Request)
scenario["vnfs"][vnf]['ifaces'][ iface ]['net_key'] = net_name
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':'%s':'interfaces'" % (net_name)
#print "nfvo.new_scenario " + error_text
raise NfvoException(error_text, HTTP_Bad_Request)
elif net_type_bridge:
type_='bridge'
else:
type_='data' if len(net["interfaces"])>2 else 'ptp'
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 edit_scenario(mydb, tenant_id, scenario_id, data):
data["uuid"] = scenario_id
data["tenant_id"] = tenant_id
c = mydb.edit_scenario( data )
return c
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 = None
datacenter_name=None
if datacenter != None:
if utils.check_valid_uuid(datacenter):
datacenter_id = datacenter
else:
datacenter_name = datacenter
vims = get_vim(mydb, tenant_id, datacenter_id, datacenter_name, vim_tenant)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(datacenter), HTTP_Not_Found)
elif len(vims)>1:
#logger.error("nfvo.datacenter_new_netmap() error. Several datacenters found")
raise NfvoException("More than one datacenters found, try to identify with uuid", HTTP_Conflict)
myvim = vims.values()[0]
myvim_tenant = myvim['tenant_id']
datacenter_id = myvim['id']
datacenter_name = myvim['name']
datacenter_tenant_id = myvim['config']['datacenter_tenant_id']
rollbackList=[]
try:
#print "Checking that the scenario_id exists and getting the scenario dictionary"
scenarioDict = mydb.get_scenario(scenario_id, tenant_id, datacenter_id)
scenarioDict['datacenter_tenant_id'] = 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
#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)
#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})
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, HTTP_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
#print myNetDict
#TODO:
#We should use the dictionary as input parameter for new_network
network_id = myvim.new_network(myNetName, myNetType)
#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})
#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']:
for vm in sce_vnf['vms']:
i += 1
myVMDict = {}
#myVMDict['name'] = "%s-%s-%s" % (scenarioDict['name'],sce_vnf['name'], vm['name'])
myVMDict['name'] = "%s.%s.%d" % (instance_scenario_name,sce_vnf['name'],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", HTTP_Conflict)
else:
raise NfvoException(e_text, HTTP_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']
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 ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
vm_id = myvim.new_vminstance(myVMDict['name'],myVMDict['description'],myVMDict.get('start', None),
myVMDict['imageRef'],myVMDict['flavorRef'],myVMDict['networks'])
#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):
index_to_delete = []
users = 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]
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"]
datacenter_id = None
datacenter_name=None
datacenter = instance_dict.get("datacenter")
if datacenter:
if utils.check_valid_uuid(datacenter):
datacenter_id = datacenter
else:
datacenter_name = datacenter
vims = get_vim(mydb, tenant_id, datacenter_id, datacenter_name, vim_tenant=None)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter)), HTTP_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", HTTP_Conflict)
myvim = vims.values()[0]
#myvim_tenant = myvim['tenant_id']
datacenter_id = myvim['id']
datacenter_name = myvim['name']
datacenter_tenant_id = myvim['config']['datacenter_tenant_id']
rollbackList=[]
#print "Checking that the scenario exists and getting the scenario dictionary"
scenarioDict = mydb.get_scenario(scenario, tenant_id, datacenter_id)
scenarioDict['datacenter_tenant_id'] = datacenter_tenant_id
scenarioDict['datacenter_id'] = datacenter_id
auxNetDict = {} #Auxiliar dictionary. First key:'scenario' or sce_vnf uuid. Second Key: uuid of the net/sce_net. Value: vim_net_id
auxNetDict['scenario'] = {}
#print "scenario dict: ",yaml.safe_dump(scenarioDict, indent=4, default_flow_style=False)
instance_name = instance_dict["name"]
instance_description = instance_dict.get("description")
try:
#0 check correct parameters
for descriptor_net in instance_dict.get("networks",{}).keys():
found=False
for scenario_net in scenarioDict['nets']:
if descriptor_net == scenario_net["name"]:
found = True
break
if not found:
raise NfvoException("Invalid scenario network name '{}' at instance:networks".format(descriptor_net), HTTP_Bad_Request)
for descriptor_vnf in instance_dict.get("vnfs",{}).keys():
found=False
for scenario_vnf in scenarioDict['vnfs']:
if descriptor_vnf == scenario_vnf['name']:
found = True
break
if not found:
raise NfvoException("Invalid vnf name '{}' at instance:vnfs".format(descriptor_vnf), HTTP_Bad_Request)
#0.1 parse cloud-config parameters
cloud_config = scenarioDict.get("cloud-config", {})
if instance_dict.get("cloud-config"):
cloud_config.update( instance_dict["cloud-config"])
if not cloud_config:
cloud_config = None
else:
scenarioDict["cloud-config"] = cloud_config
unify_cloud_config(cloud_config)
#1. Creating new nets (sce_nets) in the VIM"
for sce_net in scenarioDict['nets']:
descriptor_net = instance_dict.get("networks",{}).get(sce_net["name"],{})
net_name = descriptor_net.get("name")
net_type = sce_net['type']
lookfor_filter = {'admin_state_up': True, 'status': 'ACTIVE'} #'shared': True
if sce_net["external"]:
if not net_name:
net_name = sce_net["name"]
if "netmap-use" in descriptor_net or "netmap-create" in descriptor_net:
create_network = False
lookfor_network = False
if "netmap-use" in descriptor_net:
lookfor_network = True
if utils.check_valid_uuid(descriptor_net["netmap-use"]):
filter_text = "scenario id '%s'" % descriptor_net["netmap-use"]
lookfor_filter["id"] = descriptor_net["netmap-use"]
else:
filter_text = "scenario name '%s'" % descriptor_net["netmap-use"]
lookfor_filter["name"] = descriptor_net["netmap-use"]
if "netmap-create" in descriptor_net:
create_network = True
net_vim_name = net_name
if descriptor_net["netmap-create"]:
net_vim_name= descriptor_net["netmap-create"]
elif sce_net['vim_id'] != None:
#there is a netmap at datacenter_nets database
create_network = False
lookfor_network = True
lookfor_filter["id"] = sce_net['vim_id']
filter_text = "vim_id '%s' datacenter_netmap name '%s'. Try to reload vims with datacenter-net-update" % (sce_net['vim_id'], sce_net["name"])
#look for network at datacenter and return error
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"]
filter_text = "scenario name '%s'" % sce_net["name"]
else:
if not net_name:
net_name = "%s.%s" %(instance_name, sce_net["name"])
net_name = net_name[:255] #limit length
net_vim_name = net_name
create_network = True
lookfor_network = False
if lookfor_network:
vim_nets = myvim.get_network_list(filter_dict=lookfor_filter)
if len(vim_nets) > 1:
raise NfvoException("More than one candidate VIM network found for " + filter_text, HTTP_Bad_Request )
elif len(vim_nets) == 0:
if not create_network:
raise NfvoException("No candidate VIM network found for " + filter_text, HTTP_Bad_Request )
else:
sce_net['vim_id'] = vim_nets[0]['id']
auxNetDict['scenario'][sce_net['uuid']] = vim_nets[0]['id']
create_network = False
if create_network:
#if network is not external
network_id = myvim.new_network(net_vim_name, net_type)
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})
#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']:
descriptor_net = instance_dict.get("vnfs",{}).get(sce_vnf["name"],{})
net_name = descriptor_net.get("name")
if not net_name:
net_name = "%s.%s" %(instance_name, net["name"])
net_name = net_name[:255] #limit length
net_type = net['type']
network_id = myvim.new_network(net_name, net_type)
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})
#print "auxNetDict:"
#print yaml.safe_dump(auxNetDict, 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)
for sce_vnf in scenarioDict['vnfs']:
i = 0
for vm in sce_vnf['vms']:
i += 1
myVMDict = {}
myVMDict['name'] = "%s.%s.%d" % (instance_name,sce_vnf['name'],i)
myVMDict['description'] = myVMDict['name'][0:99]
# if not startvms:
# myVMDict['start'] = "no"
myVMDict['name'] = myVMDict['name'][0:255] #limit name length
#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, rollbackList, True)
vm['vim_flavor_id'] = flavor_id
myVMDict['imageRef'] = vm['vim_image_id']
myVMDict['flavorRef'] = vm['vim_flavor_id']
myVMDict['networks'] = []
#TODO ALF. connect_mgmt_interfaces. Connect management interfaces if this is true
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", HTTP_Conflict)
else:
raise NfvoException(e_text, HTTP_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']
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 ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
vm_id = myvim.new_vminstance(myVMDict['name'],myVMDict['description'],myVMDict.get('start', None),
myVMDict['imageRef'],myVMDict['flavorRef'],myVMDict['networks'], cloud_config = cloud_config)
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("create_instance 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_name, instance_description, scenarioDict)
return mydb.get_instance_scenario(instance_id)
except (NfvoException, vimconn.vimconnException,db_base_Exception) as e:
message = rollback(mydb, vims, 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)
raise NfvoException(error_text, e.http_code)
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"]
#print "Checking that nfvo_tenant_id exists and getting the VIM URI and the VIM tenant_id"
try:
vims = get_vim(mydb, tenant_id, instanceDict['datacenter_id'])
if len(vims) == 0:
logger.error("!!!!!! nfvo.delete_instance() datacenter not found!!!!")
myvim = None
else:
myvim = vims.values()[0]
except NfvoException as e:
logger.error("!!!!!! nfvo.delete_instance() datacenter Exception!!!! " + str(e))
myvim = None
#1. Delete from Database
#result,c = mydb.delete_row_by_id('instance_scenarios', instance_id, nfvo_tenant)
message = mydb.delete_instance_scenario(instance_id, tenant_id)
#2. delete from VIM
if not myvim:
error_msg = "Not possible to delete VIM VMs and networks. Datacenter not found at database!!!"
else:
error_msg = ""
#2.1 deleting VMs
#vm_fail_list=[]
for sce_vnf in instanceDict['vnfs']:
if not myvim:
continue
for vm in sce_vnf['vms']:
try:
myvim.delete_vminstance(vm['vim_vm_id'])
except vimconn.vimconnNotFoundException as e:
error_msg+="\n VM id={} not found at VIM".format(vm['vim_vm_id'])
logger.warn("VM instance '%s'uuid '%s', VIM id '%s', from VNF_id '%s' not found",
vm['name'], vm['uuid'], vm['vim_vm_id'], sce_vnf['vnf_id'])
except vimconn.vimconnException as e:
error_msg+="\n Error: " + e.http_code + " VM id=" + vm['vim_vm_id']
logger.error("Error %d deleting VM instance '%s'uuid '%s', VIM id '%s', from VNF_id '%s': %s",
e.http_code, vm['name'], vm['uuid'], vm['vim_vm_id'], sce_vnf['vnf_id'], str(e))
#2.2 deleting NETS
#net_fail_list=[]
for net in instanceDict['nets']:
if net['external']:
continue #skip not created nets
if not myvim:
continue
try:
myvim.delete_network(net['vim_net_id'])
except vimconn.vimconnNotFoundException as e:
error_msg+="\n NET id={} not found at VIM".format(net['vim_net_id'])
logger.warn("NET '%s', VIM id '%s', from VNF_id '%s' not found",
net['uuid'], vm['vim_net_id'], sce_vnf['vnf_id'])
except vimconn.vimconnException as e:
error_msg+="\n Error: " + e.http_code + " Net id=" + net['vim_vm_id']
logger.error("Error %d deleting NET '%s', VIM id '%s', from VNF_id '%s': %s",
e.http_code, net['uuid'], net['vim_net_id'], sce_vnf['vnf_id'], str(e))
if len(error_msg)>0:
return 'instance ' + message + ' deleted but some elements could not be deleted, or already deleted (error: 404) from VIM: ' + error_msg
else:
return 'instance ' + message + ' deleted'
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"
vims = get_vim(mydb, nfvo_tenant, instanceDict['datacenter_id'])
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(instanceDict['datacenter_id'])), HTTP_Not_Found)
myvim = vims.values()[0]
# 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']:
for vm in sce_vnf['vms']:
vm_list.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']:
net_list.append(net['vim_net_id'])
nets_notupdated.append(net["uuid"])
try:
# 1. Getting the status of all VMs
vm_dict = myvim.refresh_vms_status(vm_list)
# 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['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=None
for net in instanceDict['nets']:
if net["vim_net_id"] == interface["vim_net_id"]:
network_id = net["uuid"]
break
if not network_id:
continue
del interface["vim_net_id"]
try:
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 = myvim.refresh_nets_status(net_list)
# 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['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))
except vimconn.vimconnException as e:
#logger.error("VIM exception %s %s", type(e).__name__, str(e))
raise NfvoException(str(e), e.http_code)
# 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'])), HTTP_Not_Found)
myvim = vims.values()[0]
input_vnfs = action_dict.pop("vnfs", [])
input_vms = action_dict.pop("vms", [])
action_over_all = True if len(input_vnfs)==0 and len (input_vms)==0 else False
vm_result = {}
vm_error = 0
vm_ok = 0
for sce_vnf in instanceDict['vnfs']:
for vm in sce_vnf['vms']:
if not action_over_all:
if sce_vnf['uuid'] not in input_vnfs and sce_vnf['vnf_name'] not in input_vnfs and \
vm['uuid'] not in input_vms and vm['name'] not in input_vms:
continue
try:
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": -HTTP_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 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), HTTP_Bad_Request)
raise NfvoException("Not found any free 'http_console_ports'", HTTP_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), HTTP_Not_Found)
return
def new_tenant(mydb, tenant_dict):
tenant_id = mydb.new_row("nfvo_tenants", tenant_dict, add_uuid=True)
return tenant_id
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):
if "config" in datacenter_descriptor:
datacenter_descriptor["config"]=yaml.safe_dump(datacenter_descriptor["config"],default_flow_style=True,width=256)
datacenter_id = mydb.new_row("datacenters", datacenter_descriptor, add_uuid=True)
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']}
if "config" in datacenter_descriptor:
if datacenter_descriptor['config']!=None:
try:
new_config_dict = datacenter_descriptor["config"]
#delete null fields
to_delete=[]
for k in new_config_dict:
if new_config_dict[k]==None:
to_delete.append(k)
config_dict = yaml.load(datacenter["config"])
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), HTTP_Bad_Request)
datacenter_descriptor["config"]= yaml.safe_dump(config_dict,default_flow_style=True,width=256) if len(config_dict)>0 else None
mydb.update_rows('datacenters', datacenter_descriptor, where)
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'])
return datacenter_dict['uuid'] + " " + datacenter_dict['name']
def associate_datacenter_to_tenant(mydb, nfvo_tenant, datacenter, vim_tenant_id=None, vim_tenant_name=None, vim_username=None, vim_password=None):
#get datacenter info
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, datacenter_id=datacenter)
else:
vims = get_vim(mydb, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter)), HTTP_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", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
datacenter_name=myvim["name"]
create_vim_tenant=True if vim_tenant_id==None and vim_tenant_name==None 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']
#check that this association does not exist before
tenants_datacenter_dict={"nfvo_tenant_id":tenant_dict['uuid'], "datacenter_id":datacenter_id }
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']), HTTP_Conflict)
vim_tenant_id_exist_atdb=False
if not create_vim_tenant:
where_={"datacenter_id": datacenter_id}
if vim_tenant_id!=None:
where_["vim_tenant_id"] = vim_tenant_id
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_id==None:
#create tenant at VIM if not provided
try:
vim_tenant_id = 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)), HTTP_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_id
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
id_ = mydb.new_row('datacenter_tenants', datacenter_tenants_dict, add_uuid=True)
datacenter_tenants_dict["uuid"] = id_
#fill tenants_datacenters table
tenants_datacenter_dict["datacenter_tenant_id"]=datacenter_tenants_dict["uuid"]
mydb.new_row('tenants_datacenters', tenants_datacenter_dict)
return datacenter_id
def deassociate_datacenter_to_tenant(mydb, tenant_id, datacenter, vim_tenant_id=None):
#get datacenter info
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, datacenter_id=datacenter)
else:
vims = get_vim(mydb, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter)), HTTP_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", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
#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={"datacenter_id":datacenter_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']), HTTP_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:
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
return "datacenter {} detached. {}".format(datacenter_id, warning)
def datacenter_action(mydb, tenant_id, datacenter, action_dict):
#DEPRECATED
#get datacenter info
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter)), HTTP_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", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
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), HTTP_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), HTTP_Bad_Request)
def datacenter_edit_netmap(mydb, tenant_id, datacenter, netmap, action_dict):
#get datacenter info
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(str(datacenter)), HTTP_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", HTTP_Conflict)
datacenter_id=vims.keys()[0]
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
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(datacenter), HTTP_Not_Found)
elif len(vims)>1:
#logger.error("nfvo.datacenter_new_netmap() error. Several datacenters found")
raise NfvoException("More than one datacenters found, try to identify with uuid", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
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), HTTP_Internal_Server_Error)
if len(vim_nets)>1 and action_dict:
raise NfvoException("more than two networks found, specify with vim_id", HTTP_Conflict)
elif len(vim_nets)==0: # and action_dict:
raise NfvoException("Not found a network at VIM with " + str(filter_dict), HTTP_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 vim_action_get(mydb, tenant_id, datacenter, item, name):
#get datacenter info
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(datacenter), HTTP_Not_Found)
elif len(vims)>1:
#logger.error("nfvo.datacenter_new_netmap() error. Several datacenters found")
raise NfvoException("More than one datacenters found, try to identify with uuid", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
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)
elif item=="tenants":
content = myvim.get_tenant_list(filter_dict=filter_dict)
else:
raise NfvoException(item + "?", HTTP_Method_Not_Allowed)
logger.debug("vim_action response ", 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())),
-HTTP_Not_Found)
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
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(datacenter), HTTP_Not_Found)
elif len(vims)>1:
#logger.error("nfvo.datacenter_new_netmap() error. Several datacenters found")
raise NfvoException("More than one datacenters found, try to identify with uuid", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
#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, HTTP_Not_Found)
elif type(items)==list and len(items)>1:
raise NfvoException("Found more than one {} with this name. Use uuid.".format(item), HTTP_Not_Found)
else: # it is a dict
item_id = items["id"]
item_name = str(items.get("name"))
try:
if item=="networks":
content = myvim.delete_network(item_id)
elif item=="tenants":
content = myvim.delete_tenant(item_id)
else:
raise NfvoException(item + "?", HTTP_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
print "vim_action_create descriptor", descriptor
if tenant_id == "any":
tenant_id=None
if utils.check_valid_uuid(datacenter):
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_id=datacenter)
else:
vims = get_vim(mydb, nfvo_tenant=tenant_id, datacenter_name=datacenter)
if len(vims) == 0:
raise NfvoException("datacenter '{}' not found".format(datacenter), HTTP_Not_Found)
elif len(vims)>1:
#logger.error("nfvo.datacenter_new_netmap() error. Several datacenters found")
raise NfvoException("More than one datacenters found, try to identify with uuid", HTTP_Conflict)
datacenter_id=vims.keys()[0]
myvim=vims[datacenter_id]
try:
if item=="networks":
net = descriptor["network"]
net_name = net.pop("name")
net_type = net.pop("type", "bridge")
net_public=net.pop("shared", False)
content = myvim.new_network(net_name, net_type, net_public, **net)
elif item=="tenants":
tenant = descriptor["tenant"]
content = myvim.new_tenant(tenant["name"], tenant.get("description"))
else:
raise NfvoException(item + "?", HTTP_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)