blob: 1cc5dc44025336d9abb7f2544768a2620f83b199 [file] [log] [blame]
# -*- coding: utf-8 -*-
##
# Copyright 2018 Telefonica S.A.
#
# 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.
##
import asyncio
import yaml
import logging
import logging.handlers
import functools
import traceback
from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
from osm_lcm import ROclient
from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
from osm_common.dbbase import DbException
from osm_common.fsbase import FsException
from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist, PrimitiveDoesNotExist
from copy import copy, deepcopy
from http import HTTPStatus
from time import time
from uuid import uuid4
__author__ = "Alfonso Tierno"
def get_iterable(in_dict, in_key):
"""
Similar to <dict>.get(), but if value is None, False, ..., An empty tuple is returned instead
:param in_dict: a dictionary
:param in_key: the key to look for at in_dict
:return: in_dict[in_var] or () if it is None or not present
"""
if not in_dict.get(in_key):
return ()
return in_dict[in_key]
def populate_dict(target_dict, key_list, value):
"""
Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}}
:param target_dict: dictionary to be changed
:param key_list: list of keys to insert at target_dict
:param value:
:return: None
"""
for key in key_list[0:-1]:
if key not in target_dict:
target_dict[key] = {}
target_dict = target_dict[key]
target_dict[key_list[-1]] = value
class NsLcm(LcmBase):
timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed
total_deploy_timeout = 2 * 3600 # global timeout for deployment
timeout_charm_delete = 10 * 60
timeout_primitive = 10 * 60 # timeout for primitive execution
def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop):
"""
Init, Connect to database, filesystem storage, and messaging
:param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
:return: None
"""
# logging
self.logger = logging.getLogger('lcm.ns')
self.loop = loop
self.lcm_tasks = lcm_tasks
super().__init__(db, msg, fs, self.logger)
self.ro_config = ro_config
self.n2vc = N2VC(
log=self.logger,
server=vca_config['host'],
port=vca_config['port'],
user=vca_config['user'],
secret=vca_config['secret'],
# TODO: This should point to the base folder where charms are stored,
# if there is a common one (like object storage). Otherwise, leave
# it unset and pass it via DeployCharms
# artifacts=vca_config[''],
artifacts=None,
juju_public_key=vca_config.get('pubkey'),
ca_cert=vca_config.get('cacert'),
api_proxy=vca_config.get('apiproxy')
)
self.RO = ROclient.ROClient(self.loop, **self.ro_config)
def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
"""
Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
:param vnfd: input vnfd
:param new_id: overrides vnf id if provided
:param additionalParams: Instantiation params for VNFs provided
:param nsrId: Id of the NSR
:return: copy of vnfd
"""
try:
vnfd_RO = deepcopy(vnfd)
# remove unused by RO configuration, monitoring, scaling and internal keys
vnfd_RO.pop("_id", None)
vnfd_RO.pop("_admin", None)
vnfd_RO.pop("vnf-configuration", None)
vnfd_RO.pop("monitoring-param", None)
vnfd_RO.pop("scaling-group-descriptor", None)
if new_id:
vnfd_RO["id"] = new_id
# parse cloud-init or cloud-init-file with the provided variables using Jinja2
for vdu in get_iterable(vnfd_RO, "vdu"):
cloud_init_file = None
if vdu.get("cloud-init-file"):
base_folder = vnfd["_admin"]["storage"]
cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
vdu["cloud-init-file"])
with self.fs.file_open(cloud_init_file, "r") as ci_file:
cloud_init_content = ci_file.read()
vdu.pop("cloud-init-file", None)
elif vdu.get("cloud-init"):
cloud_init_content = vdu["cloud-init"]
else:
continue
env = Environment()
ast = env.parse(cloud_init_content)
mandatory_vars = meta.find_undeclared_variables(ast)
if mandatory_vars:
for var in mandatory_vars:
if not additionalParams or var not in additionalParams.keys():
raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
"file, must be provided in the instantiation parameters inside the "
"'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
template = Template(cloud_init_content)
cloud_init_content = template.render(additionalParams or {})
vdu["cloud-init"] = cloud_init_content
return vnfd_RO
except FsException as e:
raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
format(vnfd["id"], vdu["id"], cloud_init_file, e))
except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
format(vnfd["id"], vdu["id"], e))
def n2vc_callback(self, model_name, application_name, status, message, n2vc_info, task=None):
"""
Callback both for charm status change and task completion
:param model_name: Charm model name
:param application_name: Charm application name
:param status: Can be
- blocked: The unit needs manual intervention
- maintenance: The unit is actively deploying/configuring
- waiting: The unit is waiting for another charm to be ready
- active: The unit is deployed, configured, and ready
- error: The charm has failed and needs attention.
- terminated: The charm has been destroyed
- removing,
- removed
:param message: detailed message error
:param n2vc_info: dictionary with information shared with instantiate task. It contains:
nsr_id:
nslcmop_id:
lcmOperationType: currently "instantiate"
deployed: dictionary with {<application>: {operational-status: <status>, detailed-status: <text>}}
db_update: dictionary to be filled with the changes to be wrote to database with format key.key.key: value
n2vc_event: event used to notify instantiation task that some change has been produced
:param task: None for charm status change, or task for completion task callback
:return:
"""
try:
nsr_id = n2vc_info["nsr_id"]
deployed = n2vc_info["deployed"]
db_nsr_update = n2vc_info["db_update"]
nslcmop_id = n2vc_info["nslcmop_id"]
ns_operation = n2vc_info["lcmOperationType"]
n2vc_event = n2vc_info["n2vc_event"]
logging_text = "Task ns={} {}={} [n2vc_callback] application={}".format(nsr_id, ns_operation, nslcmop_id,
application_name)
for vca_index, vca_deployed in enumerate(deployed):
if not vca_deployed:
continue
if model_name == vca_deployed["model"] and application_name == vca_deployed["application"]:
break
else:
self.logger.error(logging_text + " Not present at nsr._admin.deployed.VCA. Received model_name={}".
format(model_name))
return
if task:
if task.cancelled():
self.logger.debug(logging_text + " task Cancelled")
vca_deployed['operational-status'] = "error"
db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error"
vca_deployed['detailed-status'] = "Task Cancelled"
db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = "Task Cancelled"
elif task.done():
exc = task.exception()
if exc:
self.logger.error(logging_text + " task Exception={}".format(exc))
vca_deployed['operational-status'] = "error"
db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error"
vca_deployed['detailed-status'] = str(exc)
db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(exc)
else:
self.logger.debug(logging_text + " task Done")
# task is Done, but callback is still ongoing. So ignore
return
elif status:
self.logger.debug(logging_text + " Enter status={} message={}".format(status, message))
if vca_deployed['operational-status'] == status:
return # same status, ignore
vca_deployed['operational-status'] = status
db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = status
vca_deployed['detailed-status'] = str(message)
db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(message)
else:
self.logger.critical(logging_text + " Enter with bad parameters", exc_info=True)
return
# wake up instantiate task
n2vc_event.set()
except Exception as e:
self.logger.critical(logging_text + " Exception {}".format(e), exc_info=True)
def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list):
"""
Creates a RO ns descriptor from OSM ns_instantiate params
:param ns_params: OSM instantiate params
:return: The RO ns descriptor
"""
vim_2_RO = {}
wim_2_RO = {}
# TODO feature 1417: Check that no instantiation is set over PDU
# check if PDU forces a concrete vim-network-id and add it
# check if PDU contains a SDN-assist info (dpid, switch, port) and pass it to RO
def vim_account_2_RO(vim_account):
if vim_account in vim_2_RO:
return vim_2_RO[vim_account]
db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
if db_vim["_admin"]["operationalState"] != "ENABLED":
raise LcmException("VIM={} is not available. operationalState={}".format(
vim_account, db_vim["_admin"]["operationalState"]))
RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
vim_2_RO[vim_account] = RO_vim_id
return RO_vim_id
def wim_account_2_RO(wim_account):
if isinstance(wim_account, str):
if wim_account in wim_2_RO:
return wim_2_RO[wim_account]
db_wim = self.db.get_one("wim_accounts", {"_id": wim_account})
if db_wim["_admin"]["operationalState"] != "ENABLED":
raise LcmException("WIM={} is not available. operationalState={}".format(
wim_account, db_wim["_admin"]["operationalState"]))
RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"]
wim_2_RO[wim_account] = RO_wim_id
return RO_wim_id
else:
return wim_account
def ip_profile_2_RO(ip_profile):
RO_ip_profile = deepcopy((ip_profile))
if "dns-server" in RO_ip_profile:
if isinstance(RO_ip_profile["dns-server"], list):
RO_ip_profile["dns-address"] = []
for ds in RO_ip_profile.pop("dns-server"):
RO_ip_profile["dns-address"].append(ds['address'])
else:
RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
if RO_ip_profile.get("ip-version") == "ipv4":
RO_ip_profile["ip-version"] = "IPv4"
if RO_ip_profile.get("ip-version") == "ipv6":
RO_ip_profile["ip-version"] = "IPv6"
if "dhcp-params" in RO_ip_profile:
RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
return RO_ip_profile
if not ns_params:
return None
RO_ns_params = {
# "name": ns_params["nsName"],
# "description": ns_params.get("nsDescription"),
"datacenter": vim_account_2_RO(ns_params["vimAccountId"]),
"wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
# "scenario": ns_params["nsdId"],
}
if n2vc_key_list:
for vnfd_ref, vnfd in vnfd_dict.items():
vdu_needed_access = []
mgmt_cp = None
if vnfd.get("vnf-configuration"):
if vnfd.get("mgmt-interface"):
if vnfd["mgmt-interface"].get("vdu-id"):
vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
elif vnfd["mgmt-interface"].get("cp"):
mgmt_cp = vnfd["mgmt-interface"]["cp"]
for vdu in vnfd.get("vdu", ()):
if vdu.get("vdu-configuration"):
vdu_needed_access.append(vdu["id"])
elif mgmt_cp:
for vdu_interface in vdu.get("interface"):
if vdu_interface.get("external-connection-point-ref") and \
vdu_interface["external-connection-point-ref"] == mgmt_cp:
vdu_needed_access.append(vdu["id"])
mgmt_cp = None
break
if vdu_needed_access:
for vnf_member in nsd.get("constituent-vnfd"):
if vnf_member["vnfd-id-ref"] != vnfd_ref:
continue
for vdu in vdu_needed_access:
populate_dict(RO_ns_params,
("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
n2vc_key_list)
if ns_params.get("vduImage"):
RO_ns_params["vduImage"] = ns_params["vduImage"]
if ns_params.get("ssh_keys"):
RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh_keys"]}
for vnf_params in get_iterable(ns_params, "vnf"):
for constituent_vnfd in nsd["constituent-vnfd"]:
if constituent_vnfd["member-vnf-index"] == vnf_params["member-vnf-index"]:
vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
break
else:
raise LcmException("Invalid instantiate parameter vnf:member-vnf-index={} is not present at nsd:"
"constituent-vnfd".format(vnf_params["member-vnf-index"]))
if vnf_params.get("vimAccountId"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "datacenter"),
vim_account_2_RO(vnf_params["vimAccountId"]))
for vdu_params in get_iterable(vnf_params, "vdu"):
# TODO feature 1417: check that this VDU exist and it is not a PDU
if vdu_params.get("volume"):
for volume_params in vdu_params["volume"]:
if volume_params.get("vim-volume-id"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_params["id"], "devices", volume_params["name"], "vim_id"),
volume_params["vim-volume-id"])
if vdu_params.get("interface"):
for interface_params in vdu_params["interface"]:
if interface_params.get("ip-address"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_params["id"], "interfaces", interface_params["name"],
"ip_address"),
interface_params["ip-address"])
if interface_params.get("mac-address"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_params["id"], "interfaces", interface_params["name"],
"mac_address"),
interface_params["mac-address"])
if interface_params.get("floating-ip-required"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_params["id"], "interfaces", interface_params["name"],
"floating-ip"),
interface_params["floating-ip-required"])
for internal_vld_params in get_iterable(vnf_params, "internal-vld"):
if internal_vld_params.get("vim-network-name"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
internal_vld_params["name"], "vim-network-name"),
internal_vld_params["vim-network-name"])
if internal_vld_params.get("vim-network-id"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
internal_vld_params["name"], "vim-network-id"),
internal_vld_params["vim-network-id"])
if internal_vld_params.get("ip-profile"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
internal_vld_params["name"], "ip-profile"),
ip_profile_2_RO(internal_vld_params["ip-profile"]))
for icp_params in get_iterable(internal_vld_params, "internal-connection-point"):
# look for interface
iface_found = False
for vdu_descriptor in vnf_descriptor["vdu"]:
for vdu_interface in vdu_descriptor["interface"]:
if vdu_interface.get("internal-connection-point-ref") == icp_params["id-ref"]:
if icp_params.get("ip-address"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_descriptor["id"], "interfaces",
vdu_interface["name"], "ip_address"),
icp_params["ip-address"])
if icp_params.get("mac-address"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
vdu_descriptor["id"], "interfaces",
vdu_interface["name"], "mac_address"),
icp_params["mac-address"])
iface_found = True
break
if iface_found:
break
else:
raise LcmException("Invalid instantiate parameter vnf:member-vnf-index[{}]:"
"internal-vld:id-ref={} is not present at vnfd:internal-"
"connection-point".format(vnf_params["member-vnf-index"],
icp_params["id-ref"]))
for vld_params in get_iterable(ns_params, "vld"):
if "ip-profile" in vld_params:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"),
ip_profile_2_RO(vld_params["ip-profile"]))
if "wimAccountId" in vld_params and vld_params["wimAccountId"] is not None:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "wim_account"),
wim_account_2_RO(vld_params["wimAccountId"])),
if vld_params.get("vim-network-name"):
RO_vld_sites = []
if isinstance(vld_params["vim-network-name"], dict):
for vim_account, vim_net in vld_params["vim-network-name"].items():
RO_vld_sites.append({
"netmap-use": vim_net,
"datacenter": vim_account_2_RO(vim_account)
})
else: # isinstance str
RO_vld_sites.append({"netmap-use": vld_params["vim-network-name"]})
if RO_vld_sites:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
if vld_params.get("vim-network-id"):
RO_vld_sites = []
if isinstance(vld_params["vim-network-id"], dict):
for vim_account, vim_net in vld_params["vim-network-id"].items():
RO_vld_sites.append({
"netmap-use": vim_net,
"datacenter": vim_account_2_RO(vim_account)
})
else: # isinstance str
RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]})
if RO_vld_sites:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
if vld_params.get("ns-net"):
if isinstance(vld_params["ns-net"], dict):
for vld_id, instance_scenario_id in vld_params["ns-net"].items():
RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id}
if RO_vld_ns_net:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net)
if "vnfd-connection-point-ref" in vld_params:
for cp_params in vld_params["vnfd-connection-point-ref"]:
# look for interface
for constituent_vnfd in nsd["constituent-vnfd"]:
if constituent_vnfd["member-vnf-index"] == cp_params["member-vnf-index-ref"]:
vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
break
else:
raise LcmException(
"Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={} "
"is not present at nsd:constituent-vnfd".format(cp_params["member-vnf-index-ref"]))
match_cp = False
for vdu_descriptor in vnf_descriptor["vdu"]:
for interface_descriptor in vdu_descriptor["interface"]:
if interface_descriptor.get("external-connection-point-ref") == \
cp_params["vnfd-connection-point-ref"]:
match_cp = True
break
if match_cp:
break
else:
raise LcmException(
"Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={}:"
"vnfd-connection-point-ref={} is not present at vnfd={}".format(
cp_params["member-vnf-index-ref"],
cp_params["vnfd-connection-point-ref"],
vnf_descriptor["id"]))
if cp_params.get("ip-address"):
populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
vdu_descriptor["id"], "interfaces",
interface_descriptor["name"], "ip_address"),
cp_params["ip-address"])
if cp_params.get("mac-address"):
populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
vdu_descriptor["id"], "interfaces",
interface_descriptor["name"], "mac_address"),
cp_params["mac-address"])
return RO_ns_params
def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None):
# make a copy to do not change
vdu_create = copy(vdu_create)
vdu_delete = copy(vdu_delete)
vdurs = db_vnfr.get("vdur")
if vdurs is None:
vdurs = []
vdu_index = len(vdurs)
while vdu_index:
vdu_index -= 1
vdur = vdurs[vdu_index]
if vdur.get("pdu-type"):
continue
vdu_id_ref = vdur["vdu-id-ref"]
if vdu_create and vdu_create.get(vdu_id_ref):
for index in range(0, vdu_create[vdu_id_ref]):
vdur = deepcopy(vdur)
vdur["_id"] = str(uuid4())
vdur["count-index"] += 1
vdurs.insert(vdu_index+1+index, vdur)
del vdu_create[vdu_id_ref]
if vdu_delete and vdu_delete.get(vdu_id_ref):
del vdurs[vdu_index]
vdu_delete[vdu_id_ref] -= 1
if not vdu_delete[vdu_id_ref]:
del vdu_delete[vdu_id_ref]
# check all operations are done
if vdu_create or vdu_delete:
raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
vdu_create))
if vdu_delete:
raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
vdu_delete))
vnfr_update = {"vdur": vdurs}
db_vnfr["vdur"] = vdurs
self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
"""
Updates database nsr with the RO info for the created vld
:param ns_update_nsr: dictionary to be filled with the updated info
:param db_nsr: content of db_nsr. This is also modified
:param nsr_desc_RO: nsr descriptor from RO
:return: Nothing, LcmException is raised on errors
"""
for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")):
for net_RO in get_iterable(nsr_desc_RO, "nets"):
if vld["id"] != net_RO.get("ns_net_osm_id"):
continue
vld["vim-id"] = net_RO.get("vim_net_id")
vld["name"] = net_RO.get("vim_name")
vld["status"] = net_RO.get("status")
vld["status-detailed"] = net_RO.get("error_msg")
ns_update_nsr["vld.{}".format(vld_index)] = vld
break
else:
raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO):
"""
Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated
:param db_vnfrs: dictionary with member-vnf-index: vnfr-content
:param nsr_desc_RO: nsr descriptor from RO
:return: Nothing, LcmException is raised on errors
"""
for vnf_index, db_vnfr in db_vnfrs.items():
for vnf_RO in nsr_desc_RO["vnfs"]:
if vnf_RO["member_vnf_index"] != vnf_index:
continue
vnfr_update = {}
if vnf_RO.get("ip_address"):
db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0]
elif not db_vnfr.get("ip-address"):
raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index))
for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
vdur_RO_count_index = 0
if vdur.get("pdu-type"):
continue
for vdur_RO in get_iterable(vnf_RO, "vms"):
if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]:
continue
if vdur["count-index"] != vdur_RO_count_index:
vdur_RO_count_index += 1
continue
vdur["vim-id"] = vdur_RO.get("vim_vm_id")
if vdur_RO.get("ip_address"):
vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0]
else:
vdur["ip-address"] = None
vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id")
vdur["name"] = vdur_RO.get("vim_name")
vdur["status"] = vdur_RO.get("status")
vdur["status-detailed"] = vdur_RO.get("error_msg")
for ifacer in get_iterable(vdur, "interfaces"):
for interface_RO in get_iterable(vdur_RO, "interfaces"):
if ifacer["name"] == interface_RO.get("internal_name"):
ifacer["ip-address"] = interface_RO.get("ip_address")
ifacer["mac-address"] = interface_RO.get("mac_address")
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
"from VIM info".format(vnf_index, vdur["vdu-id-ref"],
ifacer["name"]))
vnfr_update["vdur.{}".format(vdu_index)] = vdur
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
"VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
for net_RO in get_iterable(nsr_desc_RO, "nets"):
if vld["id"] != net_RO.get("vnf_net_osm_id"):
continue
vld["vim-id"] = net_RO.get("vim_net_id")
vld["name"] = net_RO.get("vim_name")
vld["status"] = net_RO.get("status")
vld["status-detailed"] = net_RO.get("error_msg")
vnfr_update["vld.{}".format(vld_index)] = vld
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
vnf_index, vld["id"]))
self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
async def instantiate(self, nsr_id, nslcmop_id):
# Try to lock HA task here
task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
if not task_is_locked_by_me:
return
logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
start_deploy = time()
db_nsr = None
db_nslcmop = None
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
db_vnfrs = {}
RO_descriptor_number = 0 # number of descriptors created at RO
vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO
n2vc_info = {}
n2vc_key_list = [] # list of public keys to be injected as authorized to VMs
exc = None
try:
# wait for any previous tasks in process
step = "Waiting for previous tasks"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
step = "Getting nslcmop={} from db".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
step = "Getting nsr={} from db".format(nsr_id)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
ns_params = db_nslcmop.get("operationParams")
nsd = db_nsr["nsd"]
nsr_name = db_nsr["name"] # TODO short-name??
step = "Getting vnfrs from db"
db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
db_vnfds_ref = {}
db_vnfds = {}
db_vnfds_index = {}
for vnfr in db_vnfrs_list:
db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
vnfd_id = vnfr["vnfd-id"]
vnfd_ref = vnfr["vnfd-ref"]
if vnfd_id not in db_vnfds:
step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
db_vnfds_ref[vnfd_ref] = vnfd
db_vnfds[vnfd_id] = vnfd
db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]
# Get or generates the _admin.deployed,VCA list
vca_deployed_list = None
vca_model_name = None
if db_nsr["_admin"].get("deployed"):
vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
vca_model_name = db_nsr["_admin"]["deployed"].get("VCA-model-name")
if vca_deployed_list is None:
vca_deployed_list = []
db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
elif isinstance(vca_deployed_list, dict):
# maintain backward compatibility. Change a dict to list at database
vca_deployed_list = list(vca_deployed_list.values())
db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
db_nsr_update["detailed-status"] = "creating"
db_nsr_update["operational-status"] = "init"
if not db_nsr["_admin"].get("deployed") or not db_nsr["_admin"]["deployed"].get("RO") or \
not db_nsr["_admin"]["deployed"]["RO"].get("vnfd"):
populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
db_nsr_update["_admin.deployed.RO.vnfd"] = []
# set state to INSTANTIATED. When instantiated NBI will not delete directly
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# Deploy charms
# The parameters we'll need to deploy a charm
number_to_configure = 0
def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, charm_params, n2vc_info, native_charm=False):
"""An inner function to deploy the charm from either ns, vnf or vdu
For ns both vnf_index and vdu_id are None.
For vnf only vdu_id is None
For vdu both vnf_index and vdu_id contain a value
"""
# if not charm_params.get("rw_mgmt_ip") and vnf_index: # if NS skip mgmt_ip checking
# raise LcmException("ns/vnfd/vdu has not management ip address to configure it")
machine_spec = {}
if native_charm:
machine_spec["username"] = charm_params.get("username")
machine_spec["hostname"] = charm_params.get("rw_mgmt_ip")
# Note: The charm needs to exist on disk at the location
# specified by charm_path.
descriptor = vnfd if vnf_index else nsd
base_folder = descriptor["_admin"]["storage"]
storage_params = self.fs.get_params()
charm_path = "{}{}/{}/charms/{}".format(
storage_params["path"],
base_folder["folder"],
base_folder["pkg-dir"],
proxy_charm
)
# ns_name will be ignored in the current version of N2VC
# but will be implemented for the next point release.
model_name = nsr_id
vdu_id_text = (str(vdu_id) if vdu_id else "") + "-"
vnf_index_text = (str(vnf_index) if vnf_index else "") + "-"
application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index_text, vdu_id_text)
vca_index = len(vca_deployed_list)
# trunk name and add two char index at the end to ensure that it is unique. It is assumed no more than
# 26*26 charm in the same NS
application_name = application_name[0:48]
application_name += chr(97 + vca_index // 26) + chr(97 + vca_index % 26)
vca_deployed_ = {
"member-vnf-index": vnf_index,
"vdu_id": vdu_id,
"model": model_name,
"application": application_name,
"operational-status": "init",
"detailed-status": "",
"step": "initial-deploy",
"vnfd_id": vnfd_id,
"vdu_name": vdu_name,
"vdu_count_index": vdu_count_index,
}
vca_deployed_list.append(vca_deployed_)
db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = vca_deployed_
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self.logger.debug("Task create_ns={} Passing artifacts path '{}' for {}".format(nsr_id, charm_path,
proxy_charm))
if not n2vc_info:
n2vc_info["nsr_id"] = nsr_id
n2vc_info["nslcmop_id"] = nslcmop_id
n2vc_info["n2vc_event"] = asyncio.Event(loop=self.loop)
n2vc_info["lcmOperationType"] = "instantiate"
n2vc_info["deployed"] = vca_deployed_list
n2vc_info["db_update"] = db_nsr_update
task = asyncio.ensure_future(
self.n2vc.DeployCharms(
model_name, # The network service name
application_name, # The application name
descriptor, # The vnf/nsd descriptor
charm_path, # Path to charm
charm_params, # Runtime params, like mgmt ip
machine_spec, # for native charms only
self.n2vc_callback, # Callback for status changes
n2vc_info, # Callback parameter
None, # Callback parameter (task)
)
)
task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, None,
n2vc_info))
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "create_charm:" + application_name, task)
step = "Looking for needed vnfd to configure with proxy charm"
self.logger.debug(logging_text + step)
for c_vnf in get_iterable(nsd, "constituent-vnfd"):
vnfd_id = c_vnf["vnfd-id-ref"]
vnf_index = str(c_vnf["member-vnf-index"])
vnfd = db_vnfds_ref[vnfd_id]
# Get additional parameters
vnfr_params = {}
if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
for k, v in vnfr_params.items():
if isinstance(v, str) and v.startswith("!!yaml "):
vnfr_params[k] = yaml.safe_load(v[7:])
step = "deploying proxy charms for configuration"
# Check if this VNF has a charm configuration
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("juju"):
proxy_charm = vnf_config["juju"]["charm"]
if vnf_config["juju"].get("proxy") is False:
# native_charm, will be deployed after VM. Skip
proxy_charm = None
if proxy_charm:
if not vca_model_name:
step = "creating VCA model name '{}'".format(nsr_id)
self.logger.debug(logging_text + step)
await self.n2vc.CreateNetworkService(nsr_id)
vca_model_name = nsr_id
db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
self.update_db_2("nsrs", nsr_id, db_nsr_update)
step = "deploying proxy charm to configure vnf {}".format(vnf_index)
vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
charm_params = {
"user_values": vnfr_params,
"rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"],
"initial-config-primitive": {} # vnf_config.get('initial-config-primitive') or {}
}
# Login to the VCA. If there are multiple calls to login(),
# subsequent calls will be a nop and return immediately.
await self.n2vc.login()
deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info)
number_to_configure += 1
# Deploy charms for each VDU that supports one.
for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
vdu_config = vdu.get('vdu-configuration')
proxy_charm = None
if vdu_config and vdu_config.get("juju"):
proxy_charm = vdu_config["juju"]["charm"]
if vdu_config["juju"].get("proxy") is False:
# native_charm, will be deployed after VM. Skip
proxy_charm = None
if proxy_charm:
if not vca_model_name:
step = "creating VCA model name"
await self.n2vc.CreateNetworkService(nsr_id)
vca_model_name = nsr_id
db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
self.update_db_2("nsrs", nsr_id, db_nsr_update)
step = "deploying proxy charm to configure member_vnf_index={} vdu={}".format(vnf_index,
vdu["id"])
await self.n2vc.login()
vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
# TODO for the moment only first vdu_id contains a charm deployed
if vdur["vdu-id-ref"] != vdu["id"]:
raise LcmException("Mismatch vdur {}, vdu {} at index {} for member_vnf_index={}"
.format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
charm_params = {
"user_values": vnfr_params,
"rw_mgmt_ip": vdur["ip-address"],
"initial-config-primitive": {} # vdu_config.get('initial-config-primitive') or {}
}
deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
charm_params, n2vc_info)
number_to_configure += 1
# Check if this NS has a charm configuration
ns_config = nsd.get("ns-configuration")
if ns_config and ns_config.get("juju"):
proxy_charm = ns_config["juju"]["charm"]
if ns_config["juju"].get("proxy") is False:
# native_charm, will be deployed after VM. Skip
proxy_charm = None
if proxy_charm:
step = "deploying proxy charm to configure ns"
# TODO is NS magmt IP address needed?
# Get additional parameters
additional_params = {}
if db_nsr.get("additionalParamsForNs"):
additional_params = db_nsr["additionalParamsForNs"].copy()
for k, v in additional_params.items():
if isinstance(v, str) and v.startswith("!!yaml "):
additional_params[k] = yaml.safe_load(v[7:])
# additional_params["rw_mgmt_ip"] = db_nsr["ip-address"]
charm_params = {
"user_values": additional_params,
# "rw_mgmt_ip": db_nsr["ip-address"],
"initial-config-primitive": {} # ns_config.get('initial-config-primitive') or {}
}
# Login to the VCA. If there are multiple calls to login(),
# subsequent calls will be a nop and return immediately.
await self.n2vc.login()
deploy_charm(None, None, None, None, charm_params, n2vc_info)
number_to_configure += 1
db_nsr_update["operational-status"] = "running"
# Wait until all charms has reached blocked or active status
step = "waiting proxy charms to be ready"
if number_to_configure:
# wait until all charms are configured.
# steps are:
# initial-deploy
# get-ssh-public-key
# generate-ssh-key
# retry-get-ssh-public-key
# ssh-public-key-obtained
while time() <= start_deploy + self.total_deploy_timeout:
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
all_active = True
for vca_index, vca_deployed in enumerate(vca_deployed_list):
database_entry = "_admin.deployed.VCA.{}.".format(vca_index)
if vca_deployed["step"] == "initial-deploy":
if vca_deployed["operational-status"] in ("active", "blocked"):
step = "execute charm primitive get-ssh-public-key for member_vnf_index={} vdu_id={}" \
.format(vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"])
self.logger.debug(logging_text + step)
try:
primitive_id = await self.n2vc.ExecutePrimitive(
vca_deployed["model"],
vca_deployed["application"],
"get-ssh-public-key",
None,
)
vca_deployed["step"] = db_nsr_update[database_entry + "step"] = "get-ssh-public-key"
vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
primitive_id
db_nsr_update[database_entry + "operational-status"] =\
vca_deployed["operational-status"]
except PrimitiveDoesNotExist:
ssh_public_key = None
vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\
"ssh-public-key-obtained"
vca_deployed["ssh-public-key"] = db_nsr_update[database_entry + "ssh-public-key"] =\
ssh_public_key
step = "charm ssh-public-key for member_vnf_index={} vdu_id={} not needed".format(
vca_deployed["member-vnf-index"], vca_deployed["vdu_id"])
self.logger.debug(logging_text + step)
elif vca_deployed["step"] in ("get-ssh-public-key", "retry-get-ssh-public-key"):
primitive_id = vca_deployed["primitive_id"]
primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"],
primitive_id)
if primitive_status in ("completed", "failed"):
primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"],
primitive_id)
vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] = None
if primitive_status == "completed" and isinstance(primitive_result, dict) and \
primitive_result.get("pubkey"):
ssh_public_key = primitive_result.get("pubkey")
vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\
"ssh-public-key-obtained"
vca_deployed["ssh-public-key"] = db_nsr_update[database_entry + "ssh-public-key"] =\
ssh_public_key
n2vc_key_list.append(ssh_public_key)
step = "charm ssh-public-key for member_vnf_index={} vdu_id={} is '{}'".format(
vca_deployed["member-vnf-index"], vca_deployed["vdu_id"], ssh_public_key)
self.logger.debug(logging_text + step)
else: # primitive_status == "failed":
if vca_deployed["step"] == "get-ssh-public-key":
step = "execute charm primitive generate-ssh-public-key for member_vnf_index="\
"{} vdu_id={}".format(vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"])
self.logger.debug(logging_text + step)
vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\
"generate-ssh-key"
primitive_id = await self.n2vc.ExecutePrimitive(
vca_deployed["model"],
vca_deployed["application"],
"generate-ssh-key",
None,
)
vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
primitive_id
else: # failed for second time
raise LcmException(
"error executing primitive get-ssh-public-key: {}".format(primitive_result))
elif vca_deployed["step"] == "generate-ssh-key":
primitive_id = vca_deployed["primitive_id"]
primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"],
primitive_id)
if primitive_status in ("completed", "failed"):
primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"],
primitive_id)
vca_deployed["primitive_id"] = db_nsr_update[
database_entry + "primitive_id"] = None
if primitive_status == "completed":
step = "execute primitive get-ssh-public-key again for member_vnf_index={} "\
"vdu_id={}".format(vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"])
self.logger.debug(logging_text + step)
vca_deployed["step"] = db_nsr_update[database_entry + "step"] = \
"retry-get-ssh-public-key"
primitive_id = await self.n2vc.ExecutePrimitive(
vca_deployed["model"],
vca_deployed["application"],
"get-ssh-public-key",
None,
)
vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
primitive_id
else: # primitive_status == "failed":
raise LcmException("error executing primitive generate-ssh-key: {}"
.format(primitive_result))
if vca_deployed["step"] != "ssh-public-key-obtained":
all_active = False
if all_active:
break
await asyncio.sleep(5)
else: # total_deploy_timeout
raise LcmException("Timeout waiting charm to be initialized for member_vnf_index={} vdu_id={}"
.format(vca_deployed["member-vnf-index"], vca_deployed["vdu_id"]))
# deploy RO
# get vnfds, instantiate at RO
for c_vnf in nsd.get("constituent-vnfd", ()):
member_vnf_index = c_vnf["member-vnf-index"]
vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
vnfd_ref = vnfd["id"]
step = db_nsr_update["detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at RO".format(
vnfd_ref, member_vnf_index)
# self.logger.debug(logging_text + step)
vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
RO_descriptor_number += 1
# look position at deployed.RO.vnfd if not present it will be appended at the end
for index, vnf_deployed in enumerate(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]):
if vnf_deployed["member-vnf-index"] == member_vnf_index:
break
else:
index = len(db_nsr["_admin"]["deployed"]["RO"]["vnfd"])
db_nsr["_admin"]["deployed"]["RO"]["vnfd"].append(None)
# look if present
RO_update = {"member-vnf-index": member_vnf_index}
vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
if vnfd_list:
RO_update["id"] = vnfd_list[0]["uuid"]
self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' exists at RO. Using RO_id={}".
format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"]))
else:
vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
get("additionalParamsForVnf"), nsr_id)
desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
RO_update["id"] = desc["uuid"]
self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
vnfd_ref, member_vnf_index, desc["uuid"]))
db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update
db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# create nsd at RO
nsd_ref = nsd["id"]
step = db_nsr_update["detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
# self.logger.debug(logging_text + step)
RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
RO_descriptor_number += 1
nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
if nsd_list:
db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"]
self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format(
nsd_ref, RO_nsd_uuid))
else:
nsd_RO = deepcopy(nsd)
nsd_RO["id"] = RO_osm_nsd_id
nsd_RO.pop("_id", None)
nsd_RO.pop("_admin", None)
for c_vnf in nsd_RO.get("constituent-vnfd", ()):
member_vnf_index = c_vnf["member-vnf-index"]
c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
for c_vld in nsd_RO.get("vld", ()):
for cp in c_vld.get("vnfd-connection-point-ref", ()):
member_vnf_index = cp["member-vnf-index-ref"]
cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
desc = await self.RO.create("nsd", descriptor=nsd_RO)
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid))
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# Crate ns at RO
# if present use it unless in error status
RO_nsr_id = db_nsr["_admin"].get("deployed", {}).get("RO", {}).get("nsr_id")
if RO_nsr_id:
try:
step = db_nsr_update["detailed-status"] = "Looking for existing ns at RO"
# self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
desc = await self.RO.show("ns", RO_nsr_id)
except ROclient.ROClientException as e:
if e.http_code != HTTPStatus.NOT_FOUND:
raise
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
if RO_nsr_id:
ns_status, ns_status_info = self.RO.check_ns_status(desc)
db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
if ns_status == "ERROR":
step = db_nsr_update["detailed-status"] = "Deleting ns at RO. RO_ns_id={}".format(RO_nsr_id)
self.logger.debug(logging_text + step)
await self.RO.delete("ns", RO_nsr_id)
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
if not RO_nsr_id:
step = db_nsr_update["detailed-status"] = "Checking dependencies"
# self.logger.debug(logging_text + step)
# check if VIM is creating and wait look if previous tasks in process
task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", ns_params["vimAccountId"])
if task_dependency:
step = "Waiting for related tasks to be completed: {}".format(task_name)
self.logger.debug(logging_text + step)
await asyncio.wait(task_dependency, timeout=3600)
if ns_params.get("vnf"):
for vnf in ns_params["vnf"]:
if "vimAccountId" in vnf:
task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account",
vnf["vimAccountId"])
if task_dependency:
step = "Waiting for related tasks to be completed: {}".format(task_name)
self.logger.debug(logging_text + step)
await asyncio.wait(task_dependency, timeout=3600)
step = db_nsr_update["detailed-status"] = "Checking instantiation parameters"
# feature 1429. Add n2vc public key to needed VMs
n2vc_key = await self.n2vc.GetPublicKey()
n2vc_key_list.append(n2vc_key)
RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
step = db_nsr_update["detailed-status"] = "Deploying ns at VIM"
desc = await self.RO.create("ns", descriptor=RO_ns_params,
name=db_nsr["name"],
scenario=RO_nsd_uuid)
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"]
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD"
self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# wait until NS is ready
step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_id={}".format(RO_nsr_id)
detailed_status_old = None
self.logger.debug(logging_text + step)
while time() <= start_deploy + self.total_deploy_timeout:
desc = await self.RO.show("ns", RO_nsr_id)
ns_status, ns_status_info = self.RO.check_ns_status(desc)
db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
detailed_status = ns_status_detailed + "; {}".format(ns_status_info)
elif ns_status == "ACTIVE":
step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs"
try:
self.ns_update_vnfr(db_vnfrs, desc)
break
except LcmExceptionNoMgmtIP:
pass
else:
assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
if detailed_status != detailed_status_old:
detailed_status_old = db_nsr_update["detailed-status"] = detailed_status
self.update_db_2("nsrs", nsr_id, db_nsr_update)
await asyncio.sleep(5, loop=self.loop)
else: # total_deploy_timeout
raise ROclient.ROClientException("Timeout waiting ns to be ready")
step = "Updating NSR"
self.ns_update_nsr(db_nsr_update, db_nsr, desc)
db_nsr_update["operational-status"] = "running"
db_nsr["detailed-status"] = "Configuring vnfr"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# Configure proxy charms once VMs are up
for vca_index, vca_deployed in enumerate(vca_deployed_list):
vnf_index = vca_deployed.get("member-vnf-index")
vdu_id = vca_deployed.get("vdu_id")
vdu_name = None
vdu_count_index = None
step = "executing proxy charm initial primitives for member_vnf_index={} vdu_id={}".format(vnf_index,
vdu_id)
add_params = {}
initial_config_primitive_list = []
if vnf_index:
if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
add_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
vnfd = db_vnfds_index[vnf_index]
if vdu_id:
for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
if vdu["id"] == vdu_id:
initial_config_primitive_list = vdu['vdu-configuration'].get(
'initial-config-primitive', [])
break
else:
raise LcmException("Not found vdu_id={} at vnfd:vdu".format(vdu_id))
vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
# TODO for the moment only first vdu_id contains a charm deployed
if vdur["vdu-id-ref"] != vdu["id"]:
raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}"
.format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
add_params["rw_mgmt_ip"] = vdur["ip-address"]
else:
add_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
initial_config_primitive_list = vnfd["vnf-configuration"].get('initial-config-primitive', [])
else:
if db_nsr.get("additionalParamsForNs"):
add_params = db_nsr["additionalParamsForNs"].copy()
for k, v in add_params.items():
if isinstance(v, str) and v.startswith("!!yaml "):
add_params[k] = yaml.safe_load(v[7:])
add_params["rw_mgmt_ip"] = None
initial_config_primitive_list = nsd["ns-configuration"].get('initial-config-primitive', [])
# add primitive verify-ssh-credentials to the list after config only when is a vnf or vdu charm
initial_config_primitive_list = initial_config_primitive_list.copy()
if initial_config_primitive_list and vnf_index and vca_deployed.get("ssh-public-key"):
initial_config_primitive_list.insert(1, {"name": "verify-ssh-credentials", "parameter": []})
for initial_config_primitive in initial_config_primitive_list:
primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, add_params)
self.logger.debug(logging_text + step + " primitive '{}' params '{}'"
.format(initial_config_primitive["name"], primitive_params_))
primitive_result, primitive_detail = await self._ns_execute_primitive(
db_nsr["_admin"]["deployed"], vnf_index, vdu_id, vdu_name, vdu_count_index,
initial_config_primitive["name"],
primitive_params_,
retries=10 if initial_config_primitive["name"] == "verify-ssh-credentials" else 0,
retries_interval=30)
if primitive_result != "COMPLETED":
raise LcmException("charm error executing primitive {} for member_vnf_index={} vdu_id={}: '{}'"
.format(initial_config_primitive["name"], vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"], primitive_detail))
# Deploy native charms
step = "Looking for needed vnfd to configure with native charm"
self.logger.debug(logging_text + step)
for c_vnf in get_iterable(nsd, "constituent-vnfd"):
vnfd_id = c_vnf["vnfd-id-ref"]
vnf_index = str(c_vnf["member-vnf-index"])
vnfd = db_vnfds_ref[vnfd_id]
# Get additional parameters
vnfr_params = {}
if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
for k, v in vnfr_params.items():
if isinstance(v, str) and v.startswith("!!yaml "):
vnfr_params[k] = yaml.safe_load(v[7:])
# Check if this VNF has a charm configuration
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("juju"):
native_charm = vnf_config["juju"].get("proxy") is False
proxy_charm = vnf_config["juju"]["charm"]
if native_charm and proxy_charm:
if not vca_model_name:
step = "creating VCA model name '{}'".format(nsr_id)
self.logger.debug(logging_text + step)
await self.n2vc.CreateNetworkService(nsr_id)
vca_model_name = nsr_id
db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
self.update_db_2("nsrs", nsr_id, db_nsr_update)
step = "deploying native charm for vnf_member_index={}".format(vnf_index)
self.logger.debug(logging_text + step)
vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
charm_params = {
"user_values": vnfr_params,
"rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"],
"initial-config-primitive": vnf_config.get('initial-config-primitive') or {},
}
# get username
# TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
# merged. Meanwhile let's get username from initial-config-primitive
if vnf_config.get("initial-config-primitive"):
for param in vnf_config["initial-config-primitive"][0].get("parameter", ()):
if param["name"] == "ssh-username":
charm_params["username"] = param["value"]
if vnf_config.get("config-access") and vnf_config["config-access"].get("ssh-access"):
if vnf_config["config-access"]["ssh-access"].get("required"):
charm_params["username"] = vnf_config["config-access"]["ssh-access"].get("default-user")
# Login to the VCA. If there are multiple calls to login(),
# subsequent calls will be a nop and return immediately.
await self.n2vc.login()
deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info, native_charm)
number_to_configure += 1
# Deploy charms for each VDU that supports one.
for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
vdu_config = vdu.get('vdu-configuration')
native_charm = False
if vdu_config and vdu_config.get("juju"):
native_charm = vdu_config["juju"].get("proxy") is False
proxy_charm = vdu_config["juju"]["charm"]
if native_charm and proxy_charm:
if not vca_model_name:
step = "creating VCA model name"
await self.n2vc.CreateNetworkService(nsr_id)
vca_model_name = nsr_id
db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
self.update_db_2("nsrs", nsr_id, db_nsr_update)
step = "deploying native charm for vnf_member_index={} vdu_id={}".format(vnf_index,
vdu["id"])
self.logger.debug(logging_text + step)
vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
# TODO for the moment only first vdu_id contains a charm deployed
if vdur["vdu-id-ref"] != vdu["id"]:
raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}"
.format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
charm_params = {
"user_values": vnfr_params,
"rw_mgmt_ip": vdur["ip-address"],
"initial-config-primitive": vdu_config.get('initial-config-primitive') or {}
}
# get username
# TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
# merged. Meanwhile let's get username from initial-config-primitive
if vdu_config.get("initial-config-primitive"):
for param in vdu_config["initial-config-primitive"][0].get("parameter", ()):
if param["name"] == "ssh-username":
charm_params["username"] = param["value"]
if vdu_config.get("config-access") and vdu_config["config-access"].get("ssh-access"):
if vdu_config["config-access"]["ssh-access"].get("required"):
charm_params["username"] = vdu_config["config-access"]["ssh-access"].get(
"default-user")
await self.n2vc.login()
deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
charm_params, n2vc_info, native_charm)
number_to_configure += 1
# Check if this NS has a charm configuration
ns_config = nsd.get("ns-configuration")
if ns_config and ns_config.get("juju"):
native_charm = ns_config["juju"].get("proxy") is False
proxy_charm = ns_config["juju"]["charm"]
if native_charm and proxy_charm:
step = "deploying native charm to configure ns"
# TODO is NS magmt IP address needed?
# Get additional parameters
additional_params = {}
if db_nsr.get("additionalParamsForNs"):
additional_params = db_nsr["additionalParamsForNs"].copy()
for k, v in additional_params.items():
if isinstance(v, str) and v.startswith("!!yaml "):
additional_params[k] = yaml.safe_load(v[7:])
# additional_params["rw_mgmt_ip"] = db_nsr["ip-address"]
charm_params = {
"user_values": additional_params,
"rw_mgmt_ip": db_nsr.get("ip-address"),
"initial-config-primitive": ns_config.get('initial-config-primitive') or {}
}
# get username
# TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
# merged. Meanwhile let's get username from initial-config-primitive
if ns_config.get("initial-config-primitive"):
for param in ns_config["initial-config-primitive"][0].get("parameter", ()):
if param["name"] == "ssh-username":
charm_params["username"] = param["value"]
if ns_config.get("config-access") and ns_config["config-access"].get("ssh-access"):
if ns_config["config-access"]["ssh-access"].get("required"):
charm_params["username"] = ns_config["config-access"]["ssh-access"].get("default-user")
# Login to the VCA. If there are multiple calls to login(),
# subsequent calls will be a nop and return immediately.
await self.n2vc.login()
deploy_charm(None, None, None, None, charm_params, n2vc_info, native_charm)
number_to_configure += 1
# waiting all charms are ok
configuration_failed = False
if number_to_configure:
step = "Waiting all charms are active"
old_status = "configuring: init: {}".format(number_to_configure)
db_nsr_update["config-status"] = old_status
db_nsr_update["detailed-status"] = old_status
db_nslcmop_update["detailed-status"] = old_status
# wait until all are configured.
while time() <= start_deploy + self.total_deploy_timeout:
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
# TODO add a fake task that set n2vc_event after some time
await n2vc_info["n2vc_event"].wait()
n2vc_info["n2vc_event"].clear()
all_active = True
status_map = {}
n2vc_error_text = [] # contain text error list. If empty no one is in error status
now = time()
for vca_deployed in vca_deployed_list:
vca_status = vca_deployed["operational-status"]
if vca_status not in status_map:
# Initialize it
status_map[vca_status] = 0
status_map[vca_status] += 1
if vca_status == "active":
vca_deployed.pop("time_first_error", None)
vca_deployed.pop("status_first_error", None)
continue
all_active = False
if vca_status in ("error", "blocked"):
vca_deployed["detailed-status-error"] = vca_deployed["detailed-status"]
# if not first time in this status error
if not vca_deployed.get("time_first_error"):
vca_deployed["time_first_error"] = now
continue
if vca_deployed.get("time_first_error") and \
now <= vca_deployed["time_first_error"] + self.timeout_vca_on_error:
n2vc_error_text.append("member_vnf_index={} vdu_id={} {}: {}"
.format(vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"], vca_status,
vca_deployed["detailed-status-error"]))
if all_active:
break
elif n2vc_error_text:
db_nsr_update["config-status"] = "failed"
error_text = "fail configuring " + ";".join(n2vc_error_text)
db_nsr_update["detailed-status"] = error_text
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED_TEMP"
db_nslcmop_update["detailed-status"] = error_text
db_nslcmop_update["statusEnteredTime"] = time()
configuration_failed = True
break
else:
cs = "configuring: "
separator = ""
for status, num in status_map.items():
cs += separator + "{}: {}".format(status, num)
separator = ", "
if old_status != cs:
db_nsr_update["config-status"] = cs
db_nsr_update["detailed-status"] = cs
db_nslcmop_update["detailed-status"] = cs
old_status = cs
else: # total_deploy_timeout
raise LcmException("Timeout waiting ns to be configured")
if not configuration_failed:
# all is done
db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
db_nslcmop_update["statusEnteredTime"] = time()
db_nslcmop_update["detailed-status"] = "done"
db_nsr_update["config-status"] = "configured"
db_nsr_update["detailed-status"] = "done"
return
except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
exc = e
except asyncio.CancelledError:
self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
exc = "Operation was cancelled"
except Exception as e:
exc = traceback.format_exc()
self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
exc_info=True)
finally:
if exc:
if db_nsr:
db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
db_nsr_update["operational-status"] = "failed"
if db_nslcmop:
db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
try:
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
"operationState": nslcmop_operation_state},
loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
async def _destroy_charm(self, model, application):
"""
Order N2VC destroy a charm
:param model:
:param application:
:return: True if charm does not exist. False if it exist
"""
if not await self.n2vc.HasApplication(model, application):
return True # Already removed
await self.n2vc.RemoveCharms(model, application)
return False
async def _wait_charm_destroyed(self, model, application, timeout):
"""
Wait until charm does not exist
:param model:
:param application:
:param timeout:
:return: True if not exist, False if timeout
"""
while True:
if not await self.n2vc.HasApplication(model, application):
return True
if timeout < 0:
return False
await asyncio.sleep(10)
timeout -= 10
# Check if this VNFD has a configured terminate action
def _has_terminate_config_primitive(self, vnfd):
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("terminate-config-primitive"):
return True
else:
return False
@staticmethod
def _get_terminate_config_primitive_seq_list(vnfd):
""" Get a numerically sorted list of the sequences for this VNFD's terminate action """
# No need to check for existing primitive twice, already done before
vnf_config = vnfd.get("vnf-configuration")
seq_list = vnf_config.get("terminate-config-primitive")
# Get all 'seq' tags in seq_list, order sequences numerically, ascending.
seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
return seq_list_sorted
@staticmethod
def _create_nslcmop(nsr_id, operation, params):
"""
Creates a ns-lcm-opp content to be stored at database.
:param nsr_id: internal id of the instance
:param operation: instantiate, terminate, scale, action, ...
:param params: user parameters for the operation
:return: dictionary following SOL005 format
"""
# Raise exception if invalid arguments
if not (nsr_id and operation and params):
raise LcmException(
"Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
now = time()
_id = str(uuid4())
nslcmop = {
"id": _id,
"_id": _id,
# COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
"operationState": "PROCESSING",
"statusEnteredTime": now,
"nsInstanceId": nsr_id,
"lcmOperationType": operation,
"startTime": now,
"isAutomaticInvocation": False,
"operationParams": params,
"isCancelPending": False,
"links": {
"self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
"nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
}
}
return nslcmop
def _get_terminate_primitive_params(self, seq, vnf_index):
primitive = seq.get('name')
primitive_params = {}
params = {
"member_vnf_index": vnf_index,
"primitive": primitive,
"primitive_params": primitive_params,
}
desc_params = {}
return self._map_primitive_params(seq, params, desc_params)
def _add_suboperation(self, db_nslcmop, nslcmop_id, vnf_index, vdu_id, vdu_count_index,
vdu_name, primitive, mapped_primitive_params):
# Create the "_admin.operations" array, or append operation if array already exists
key_admin = '_admin'
key_operations = 'operations'
db_nslcmop_update = {}
db_nslcmop_admin = db_nslcmop.get(key_admin, {})
op_list = db_nslcmop_admin.get(key_operations)
new_op = {'member_vnf_index': vnf_index,
'vdu_id': vdu_id,
'vdu_count_index': vdu_count_index,
'primitive': primitive,
'primitive_params': mapped_primitive_params}
if db_nslcmop_admin:
if not op_list:
# First operation, create key 'operations' with current operation as first list element
db_nslcmop_admin.update({key_operations: [new_op]})
op_list = db_nslcmop_admin.get(key_operations)
else:
# Not first operation, append operation to existing list
op_list.append(new_op)
db_nslcmop_update['_admin.operations'] = op_list
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
""" Create a primitive with params from VNFD
Called from terminate() before deleting instance
Calls action() to execute the primitive """
logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
db_vnfds = {}
# Loop over VNFRs
for vnfr in db_vnfrs_list:
vnfd_id = vnfr["vnfd-id"]
vnf_index = vnfr["member-vnf-index-ref"]
if vnfd_id not in db_vnfds:
step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id)
vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
db_vnfds[vnfd_id] = vnfd
vnfd = db_vnfds[vnfd_id]
if not self._has_terminate_config_primitive(vnfd):
continue
# Get the primitive's sorted sequence list
seq_list = self._get_terminate_config_primitive_seq_list(vnfd)
for seq in seq_list:
# For each sequence in list, get primitive and call _ns_execute_primitive()
step = "Calling terminate action for vnf_member_index={} primitive={}".format(
vnf_index, seq.get("name"))
self.logger.debug(logging_text + step)
# Create the primitive for each sequence, i.e. "primitive": "touch"
primitive = seq.get('name')
mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
# The following 3 parameters are currently set to None for 'terminate':
# vdu_id, vdu_count_index, vdu_name
vdu_id = db_nslcmop["operationParams"].get("vdu_id")
vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
vdu_name = db_nslcmop["operationParams"].get("vdu_name")
# Add suboperation
self._add_suboperation(db_nslcmop,
nslcmop_id,
vnf_index,
vdu_id,
vdu_count_index,
vdu_name,
primitive,
mapped_primitive_params)
# Suboperations: Call _ns_execute_primitive() instead of action()
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
nsr_deployed = db_nsr["_admin"]["deployed"]
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive,
mapped_primitive_params)
# nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
# nsr_id, nslcmop_terminate_action_id)
# Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
if result not in result_ok:
raise LcmException(
"terminate_primitive_action for vnf_member_index={}",
" primitive={} fails with error {}".format(
vnf_index, seq.get("name"), result_detail))
async def terminate(self, nsr_id, nslcmop_id):
# Try to lock HA task here
task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
if not task_is_locked_by_me:
return
logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
db_nsr = None
db_nslcmop = None
exc = None
failed_detail = [] # annotates all failed error messages
vca_time_destroy = None # time of where destroy charm order
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
autoremove = False # autoremove after terminated
try:
# wait for any previous tasks in process
await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
step = "Getting nslcmop={} from db".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
step = "Getting nsr={} from db".format(nsr_id)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# nsd = db_nsr["nsd"]
nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
return
# #TODO check if VIM is creating and wait
# RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
# Call internal terminate action
await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
db_nsr_update["operational-status"] = "terminating"
db_nsr_update["config-status"] = "terminating"
if nsr_deployed and nsr_deployed.get("VCA-model-name"):
vca_model_name = nsr_deployed["VCA-model-name"]
step = "deleting VCA model name '{}' and all charms".format(vca_model_name)
self.logger.debug(logging_text + step)
try:
await self.n2vc.DestroyNetworkService(vca_model_name)
except NetworkServiceDoesNotExist:
pass
db_nsr_update["_admin.deployed.VCA-model-name"] = None
if nsr_deployed.get("VCA"):
for vca_index in range(0, len(nsr_deployed["VCA"])):
db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# for backward compatibility if charm have been created with "default" model name delete one by one
elif nsr_deployed and nsr_deployed.get("VCA"):
try:
step = "Scheduling configuration charms removing"
db_nsr_update["detailed-status"] = "Deleting charms"
self.logger.debug(logging_text + step)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# for backward compatibility
if isinstance(nsr_deployed["VCA"], dict):
nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
self.update_db_2("nsrs", nsr_id, db_nsr_update)
for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
if vca_deployed:
if await self._destroy_charm(vca_deployed['model'], vca_deployed["application"]):
vca_deployed.clear()
db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
else:
vca_time_destroy = time()
except Exception as e:
self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))
# remove from RO
RO_fail = False
# Delete ns
RO_nsr_id = RO_delete_action = None
if nsr_deployed and nsr_deployed.get("RO"):
RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
try:
if RO_nsr_id:
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
"Deleting ns from VIM"
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self.logger.debug(logging_text + step)
desc = await self.RO.delete("ns", RO_nsr_id)
RO_delete_action = desc["action_id"]
db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
db_nsr_update["_admin.deployed.RO.nsr_id"] = None
db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
if RO_delete_action:
# wait until NS is deleted from VIM
step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\
format(RO_nsr_id, RO_delete_action)
detailed_status_old = None
self.logger.debug(logging_text + step)
delete_timeout = 20 * 60 # 20 minutes
while delete_timeout > 0:
desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
extra_item_id=RO_delete_action)
ns_status, ns_status_info = self.RO.check_action_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
detailed_status = step + "; {}".format(ns_status_info)
elif ns_status == "ACTIVE":
db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
break
else:
assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
if detailed_status != detailed_status_old:
detailed_status_old = db_nslcmop_update["detailed-status"] = \
db_nsr_update["detailed-status"] = detailed_status
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
await asyncio.sleep(5, loop=self.loop)
delete_timeout -= 5
else: # delete_timeout <= 0:
raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
except ROclient.ROClientException as e:
if e.http_code == 404: # not found
db_nsr_update["_admin.deployed.RO.nsr_id"] = None
db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id))
elif e.http_code == 409: # conflict
failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
self.logger.debug(logging_text + failed_detail[-1])
RO_fail = True
else:
failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
self.logger.error(logging_text + failed_detail[-1])
RO_fail = True
# Delete nsd
if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"):
RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
try:
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
"Deleting nsd from RO"
await self.RO.delete("nsd", RO_nsd_id)
self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
db_nsr_update["_admin.deployed.RO.nsd_id"] = None
except ROclient.ROClientException as e:
if e.http_code == 404: # not found
db_nsr_update["_admin.deployed.RO.nsd_id"] = None
self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id))
elif e.http_code == 409: # conflict
failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
self.logger.debug(logging_text + failed_detail[-1])
RO_fail = True
else:
failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
self.logger.error(logging_text + failed_detail[-1])
RO_fail = True
if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"):
for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
if not vnf_deployed or not vnf_deployed["id"]:
continue
try:
RO_vnfd_id = vnf_deployed["id"]
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
"Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
vnf_deployed["member-vnf-index"], RO_vnfd_id)
await self.RO.delete("vnfd", RO_vnfd_id)
self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
except ROclient.ROClientException as e:
if e.http_code == 404: # not found
db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
elif e.http_code == 409: # conflict
failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
self.logger.debug(logging_text + failed_detail[-1])
else:
failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
self.logger.error(logging_text + failed_detail[-1])
# wait until charm deleted
if vca_time_destroy:
db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = step = \
"Waiting for deletion of configuration charms"
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
if not vca_deployed:
continue
step = "Waiting for deletion of charm application_name={}".format(vca_deployed["application"])
timeout = self.timeout_charm_delete - int(time() - vca_time_destroy)
if not await self._wait_charm_destroyed(vca_deployed['model'], vca_deployed["application"],
timeout):
failed_detail.append("VCA[application_name={}] Deletion timeout".format(
vca_deployed["application"]))
else:
db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
if failed_detail:
self.logger.error(logging_text + " ;".join(failed_detail))
db_nsr_update["operational-status"] = "failed"
db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
else:
db_nsr_update["operational-status"] = "terminated"
db_nsr_update["detailed-status"] = "Done"
db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
db_nslcmop_update["detailed-status"] = "Done"
db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
db_nslcmop_update["statusEnteredTime"] = time()
if db_nslcmop["operationParams"].get("autoremove"):
autoremove = True
except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception {}".format(e))
exc = e
except asyncio.CancelledError:
self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
exc = "Operation was cancelled"
except Exception as e:
exc = traceback.format_exc()
self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
finally:
if exc and db_nslcmop:
db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
try:
if db_nslcmop and db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
"operationState": nslcmop_operation_state,
"autoremove": autoremove},
loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
@staticmethod
def _map_primitive_params(primitive_desc, params, instantiation_params):
"""
Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
The default-value is used. If it is between < > it look for a value at instantiation_params
:param primitive_desc: portion of VNFD/NSD that describes primitive
:param params: Params provided by user
:param instantiation_params: Instantiation params provided by user
:return: a dictionary with the calculated params
"""
calculated_params = {}
for parameter in primitive_desc.get("parameter", ()):
param_name = parameter["name"]
if param_name in params:
calculated_params[param_name] = params[param_name]
elif "default-value" in parameter or "value" in parameter:
if "value" in parameter:
calculated_params[param_name] = parameter["value"]
else:
calculated_params[param_name] = parameter["default-value"]
if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
and calculated_params[param_name].endswith(">"):
if calculated_params[param_name][1:-1] in instantiation_params:
calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
else:
raise LcmException("Parameter {} needed to execute primitive {} not provided".
format(parameter["default-value"], primitive_desc["name"]))
else:
raise LcmException("Parameter {} needed to execute primitive {} not provided".
format(param_name, primitive_desc["name"]))
if isinstance(calculated_params[param_name], (dict, list, tuple)):
calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True,
width=256)
elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
calculated_params[param_name] = calculated_params[param_name][7:]
return calculated_params
async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
primitive, primitive_params, retries=0, retries_interval=30):
start_primitive_time = time()
try:
for vca_deployed in db_deployed["VCA"]:
if not vca_deployed:
continue
if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
continue
if vdu_name and vdu_name != vca_deployed["vdu_name"]:
continue
if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
continue
break
else:
raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
"deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
model_name = vca_deployed.get("model")
application_name = vca_deployed.get("application")
if not model_name or not application_name:
raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
"model or application name" .format(member_vnf_index, vdu_id, vdu_name,
vdu_count_index))
# if vca_deployed["operational-status"] != "active":
# raise LcmException("charm for member_vnf_index={} vdu_id={} operational_status={} not 'active'".format(
# member_vnf_index, vdu_id, vca_deployed["operational-status"]))
callback = None # self.n2vc_callback
callback_args = () # [db_nsr, db_nslcmop, member_vnf_index, None]
await self.n2vc.login()
if primitive == "config":
primitive_params = {"params": primitive_params}
while retries >= 0:
primitive_id = await self.n2vc.ExecutePrimitive(
model_name,
application_name,
primitive,
callback,
*callback_args,
**primitive_params
)
while time() - start_primitive_time < self.timeout_primitive:
primitive_result_ = await self.n2vc.GetPrimitiveStatus(model_name, primitive_id)
if primitive_result_ in ("completed", "failed"):
primitive_result = "COMPLETED" if primitive_result_ == "completed" else "FAILED"
detailed_result = await self.n2vc.GetPrimitiveOutput(model_name, primitive_id)
break
elif primitive_result_ is None and primitive == "config":
primitive_result = "COMPLETED"
detailed_result = None
break
else: # ("running", "pending", None):
pass
await asyncio.sleep(5)
else:
raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
if primitive_result == "COMPLETED":
break
retries -= 1
if retries >= 0:
await asyncio.sleep(retries_interval)
return primitive_result, detailed_result
except (N2VCPrimitiveExecutionFailed, LcmException) as e:
return "FAILED", str(e)
async def action(self, nsr_id, nslcmop_id):
# Try to lock HA task here
task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
if not task_is_locked_by_me:
return
logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
db_nsr = None
db_nslcmop = None
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
nslcmop_operation_state_detail = None
exc = None
try:
# wait for any previous tasks in process
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
step = "Getting information from database"
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
nsr_deployed = db_nsr["_admin"].get("deployed")
vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
vdu_id = db_nslcmop["operationParams"].get("vdu_id")
vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
vdu_name = db_nslcmop["operationParams"].get("vdu_name")
if vnf_index:
step = "Getting vnfr from database"
db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
step = "Getting vnfd from database"
db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
else:
if db_nsr.get("nsd"):
db_nsd = db_nsr.get("nsd") # TODO this will be removed
else:
step = "Getting nsd from database"
db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
# for backward compatibility
if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
self.update_db_2("nsrs", nsr_id, db_nsr_update)
primitive = db_nslcmop["operationParams"]["primitive"]
primitive_params = db_nslcmop["operationParams"]["primitive_params"]
# look for primitive
config_primitive_desc = None
if vdu_id:
for vdu in get_iterable(db_vnfd, "vdu"):
if vdu_id == vdu["id"]:
for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
elif vnf_index:
for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
else:
for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
if not config_primitive_desc:
raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
format(primitive))
desc_params = {}
if vnf_index:
if db_vnfr.get("additionalParamsForVnf"):
desc_params.update(db_vnfr["additionalParamsForVnf"])
else:
if db_nsr.get("additionalParamsForVnf"):
desc_params.update(db_nsr["additionalParamsForNs"])
# TODO check if ns is in a proper status
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive,
self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = result_detail
db_nslcmop_update["operationState"] = nslcmop_operation_state = result
db_nslcmop_update["statusEnteredTime"] = time()
self.logger.debug(logging_text + " task Done with result {} {}".format(result, result_detail))
return # database update is called inside finally
except (DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception {}".format(e))
exc = e
except asyncio.CancelledError:
self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
exc = "Operation was cancelled"
except Exception as e:
exc = traceback.format_exc()
self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
finally:
if exc and db_nslcmop:
db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
"FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
try:
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
self.logger.debug(logging_text + "Exit")
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
"operationState": nslcmop_operation_state},
loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
return nslcmop_operation_state, nslcmop_operation_state_detail
async def scale(self, nsr_id, nslcmop_id):
# Try to lock HA task here
task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
if not task_is_locked_by_me:
return
logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
db_nsr = None
db_nslcmop = None
db_nslcmop_update = {}
nslcmop_operation_state = None
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
exc = None
# in case of error, indicates what part of scale was failed to put nsr at error status
scale_process = None
old_operational_status = ""
old_config_status = ""
vnfr_scaled = False
try:
# wait for any previous tasks in process
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
step = "Getting nslcmop from database"
self.logger.debug(step + " after having waited for previous tasks to be completed")
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
step = "Getting nsr from database"
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
old_operational_status = db_nsr["operational-status"]
old_config_status = db_nsr["config-status"]
step = "Parsing scaling parameters"
# self.logger.debug(step)
db_nsr_update["operational-status"] = "scaling"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
nsr_deployed = db_nsr["_admin"].get("deployed")
RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
# scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy")
# for backward compatibility
if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
self.update_db_2("nsrs", nsr_id, db_nsr_update)
step = "Getting vnfr from database"
db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
step = "Getting vnfd from database"
db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
step = "Getting scaling-group-descriptor"
for scaling_descriptor in db_vnfd["scaling-group-descriptor"]:
if scaling_descriptor["name"] == scaling_group:
break
else:
raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
"at vnfd:scaling-group-descriptor".format(scaling_group))
# cooldown_time = 0
# for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()):
# cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0)
# if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"):
# break
# TODO check if ns is in a proper status
step = "Sending scale order to VIM"
nb_scale_op = 0
if not db_nsr["_admin"].get("scaling-group"):
self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
admin_scale_index = 0
else:
for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
if admin_scale_info["name"] == scaling_group:
nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
break
else: # not found, set index one plus last element and add new entry with the name
admin_scale_index += 1
db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
RO_scaling_info = []
vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
if scaling_type == "SCALE_OUT":
# count if max-instance-count is reached
max_instance_count = scaling_descriptor.get("max-instance-count", 10)
# self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
if nb_scale_op >= max_instance_count:
raise LcmException("reached the limit of {} (max-instance-count) "
"scaling-out operations for the "
"scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
nb_scale_op += 1
vdu_scaling_info["scaling_direction"] = "OUT"
vdu_scaling_info["vdu-create"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
"type": "create", "count": vdu_scale_info.get("count", 1)})
vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
elif scaling_type == "SCALE_IN":
# count if min-instance-count is reached
min_instance_count = 0
if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
min_instance_count = int(scaling_descriptor["min-instance-count"])
if nb_scale_op <= min_instance_count:
raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
"scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
nb_scale_op -= 1
vdu_scaling_info["scaling_direction"] = "IN"
vdu_scaling_info["vdu-delete"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
"type": "delete", "count": vdu_scale_info.get("count", 1)})
vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
# update VDU_SCALING_INFO with the VDUs to delete ip_addresses
vdu_create = vdu_scaling_info.get("vdu-create")
vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
if vdu_scaling_info["scaling_direction"] == "IN":
for vdur in reversed(db_vnfr["vdur"]):
if vdu_delete.get(vdur["vdu-id-ref"]):
vdu_delete[vdur["vdu-id-ref"]] -= 1
vdu_scaling_info["vdu"].append({
"name": vdur["name"],
"vdu_id": vdur["vdu-id-ref"],
"interface": []
})
for interface in vdur["interfaces"]:
vdu_scaling_info["vdu"][-1]["interface"].append({
"name": interface["name"],
"ip_address": interface["ip-address"],
"mac_address": interface.get("mac-address"),
})
vdu_delete = vdu_scaling_info.pop("vdu-delete")
# execute primitive service PRE-SCALING
step = "Executing pre-scale vnf-config-primitive"
if scaling_descriptor.get("scaling-config-action"):
for scaling_config_action in scaling_descriptor["scaling-config-action"]:
if scaling_config_action.get("trigger") and scaling_config_action["trigger"] == "pre-scale-in" \
and scaling_type == "SCALE_IN":
vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
step = db_nslcmop_update["detailed-status"] = \
"executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
# look for primitive
for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == vnf_config_primitive:
break
else:
raise LcmException(
"Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
"[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
"primitive".format(scaling_group, config_primitive))
vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
scale_process = "VCA"
db_nsr_update["config-status"] = "configuring pre-scaling"
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, None, None, None, vnf_config_primitive,
self._map_primitive_params(config_primitive, {}, vnfr_params))
self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
vnf_config_primitive, result, result_detail))
if result == "FAILED":
raise LcmException(result_detail)
db_nsr_update["config-status"] = old_config_status
scale_process = None
if RO_scaling_info:
scale_process = "RO"
RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
# wait until ready
RO_nslcmop_id = RO_desc["instance_action_id"]
db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
RO_task_done = False
step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id)
detailed_status_old = None
self.logger.debug(logging_text + step)
deployment_timeout = 1 * 3600 # One hour
while deployment_timeout > 0:
if not RO_task_done:
desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
extra_item_id=RO_nslcmop_id)
ns_status, ns_status_info = self.RO.check_action_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
detailed_status = step + "; {}".format(ns_status_info)
elif ns_status == "ACTIVE":
RO_task_done = True
step = detailed_status = "Waiting VIM to deploy ns. RO_id={}".format(RO_nsr_id)
self.logger.debug(logging_text + step)
else:
assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
else:
desc = await self.RO.show("ns", RO_nsr_id)
ns_status, ns_status_info = self.RO.check_ns_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
detailed_status = step + "; {}".format(ns_status_info)
elif ns_status == "ACTIVE":
step = detailed_status = \
"Waiting for management IP address reported by the VIM. Updating VNFRs"
if not vnfr_scaled:
self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
vnfr_scaled = True
try:
desc = await self.RO.show("ns", RO_nsr_id)
# nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
break
except LcmExceptionNoMgmtIP:
pass
else:
assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
if detailed_status != detailed_status_old:
detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
await asyncio.sleep(5, loop=self.loop)
deployment_timeout -= 5
if deployment_timeout <= 0:
raise ROclient.ROClientException("Timeout waiting ns to be ready")
# update VDU_SCALING_INFO with the obtained ip_addresses
if vdu_scaling_info["scaling_direction"] == "OUT":
for vdur in reversed(db_vnfr["vdur"]):
if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
vdu_scaling_info["vdu"].append({
"name": vdur["name"],
"vdu_id": vdur["vdu-id-ref"],
"interface": []
})
for interface in vdur["interfaces"]:
vdu_scaling_info["vdu"][-1]["interface"].append({
"name": interface["name"],
"ip_address": interface["ip-address"],
"mac_address": interface.get("mac-address"),
})
del vdu_scaling_info["vdu-create"]
scale_process = None
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# execute primitive service POST-SCALING
step = "Executing post-scale vnf-config-primitive"
if scaling_descriptor.get("scaling-config-action"):
for scaling_config_action in scaling_descriptor["scaling-config-action"]:
if scaling_config_action.get("trigger") and scaling_config_action["trigger"] == "post-scale-out" \
and scaling_type == "SCALE_OUT":
vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
step = db_nslcmop_update["detailed-status"] = \
"executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
# look for primitive
for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == vnf_config_primitive:
break
else:
raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:"
"scaling-config-action[vnf-config-primitive-name-ref='{}'] does not "
"match any vnf-configuration:config-primitive".format(scaling_group,
config_primitive))
scale_process = "VCA"
db_nsr_update["config-status"] = "configuring post-scaling"
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, None, None, None, vnf_config_primitive,
self._map_primitive_params(config_primitive, {}, vnfr_params))
self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
vnf_config_primitive, result, result_detail))
if result == "FAILED":
raise LcmException(result_detail)
db_nsr_update["config-status"] = old_config_status
scale_process = None
db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
db_nslcmop_update["statusEnteredTime"] = time()
db_nslcmop_update["detailed-status"] = "done"
db_nsr_update["detailed-status"] = "" # "scaled {} {}".format(scaling_group, scaling_type)
db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
else old_operational_status
db_nsr_update["config-status"] = old_config_status
return
except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception {}".format(e))
exc = e
except asyncio.CancelledError:
self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
exc = "Operation was cancelled"
except Exception as e:
exc = traceback.format_exc()
self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
finally:
if exc:
if db_nslcmop:
db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
if db_nsr:
db_nsr_update["operational-status"] = old_operational_status
db_nsr_update["config-status"] = old_config_status
db_nsr_update["detailed-status"] = ""
db_nsr_update["_admin.nslcmop"] = None
if scale_process:
if "VCA" in scale_process:
db_nsr_update["config-status"] = "failed"
if "RO" in scale_process:
db_nsr_update["operational-status"] = "failed"
db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
exc)
try:
if db_nslcmop and db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
"operationState": nslcmop_operation_state},
loop=self.loop)
# if cooldown_time:
# await asyncio.sleep(cooldown_time)
# await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")