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osm.etsi.org / osm / LCM / a7009eb5ecc66ef1ec6f55d6a6721fde4b293ba5 / . / osm_lcm / ns.py
blob: 43a08f036187f0a40eea9459920abf8686a6da4b [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 traceback
import json
from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
from osm_lcm import ROclient
from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
from n2vc.k8s_helm_conn import K8sHelmConnector
from n2vc.k8s_juju_conn import K8sJujuConnector
from osm_common.dbbase import DbException
from osm_common.fsbase import FsException
from n2vc.n2vc_juju_conn import N2VCJujuConnector
from n2vc.exceptions import N2VCException
from copy import copy, deepcopy
from http import HTTPStatus
from time import time
from uuid import uuid4
__author__ = "Alfonso Tierno"
class NsLcm(LcmBase):
timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed
timeout_ns_deploy = 2 * 3600 # default global timeout for deployment a ns
timeout_charm_delete = 10 * 60
timeout_primitive = 10 * 60 # timeout for primitive execution
SUBOPERATION_STATUS_NOT_FOUND = -1
SUBOPERATION_STATUS_NEW = -2
SUBOPERATION_STATUS_SKIP = -3
def __init__(self, db, msg, fs, lcm_tasks, 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
"""
super().__init__(
db=db,
msg=msg,
fs=fs,
logger=logging.getLogger('lcm.ns')
)
self.loop = loop
self.lcm_tasks = lcm_tasks
self.timeout = config["timeout"]
self.ro_config = config["ro_config"]
self.vca_config = config["VCA"].copy()
# create N2VC connector
self.n2vc = N2VCJujuConnector(
db=self.db,
fs=self.fs,
log=self.logger,
loop=self.loop,
url='{}:{}'.format(self.vca_config['host'], self.vca_config['port']),
username=self.vca_config.get('user', None),
vca_config=self.vca_config,
on_update_db=self._on_update_n2vc_db
)
self.k8sclusterhelm = K8sHelmConnector(
kubectl_command=self.vca_config.get("kubectlpath"),
helm_command=self.vca_config.get("helmpath"),
fs=self.fs,
log=self.logger,
db=self.db,
on_update_db=None,
)
self.k8sclusterjuju = K8sJujuConnector(
kubectl_command=self.vca_config.get("kubectlpath"),
juju_command=self.vca_config.get("jujupath"),
fs=self.fs,
log=self.logger,
db=self.db,
on_update_db=None,
)
# create RO client
self.RO = ROclient.ROClient(self.loop, **self.ro_config)
def _on_update_ro_db(self, nsrs_id, ro_descriptor):
# self.logger.debug('_on_update_ro_db(nsrs_id={}'.format(nsrs_id))
try:
# TODO filter RO descriptor fields...
# write to database
db_dict = dict()
# db_dict['deploymentStatus'] = yaml.dump(ro_descriptor, default_flow_style=False, indent=2)
db_dict['deploymentStatus'] = ro_descriptor
self.update_db_2("nsrs", nsrs_id, db_dict)
except Exception as e:
self.logger.warn('Cannot write database RO deployment for ns={} -> {}'.format(nsrs_id, e))
async def _on_update_n2vc_db(self, table, filter, path, updated_data):
# remove last dot from path (if exists)
if path.endswith('.'):
path = path[:-1]
# self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
# .format(table, filter, path, updated_data))
try:
nsr_id = filter.get('_id')
# read ns record from database
nsr = self.db.get_one(table='nsrs', q_filter=filter)
current_ns_status = nsr.get('nsState')
# get vca status for NS
status_dict = await self.n2vc.get_status(namespace='.' + nsr_id, yaml_format=False)
# vcaStatus
db_dict = dict()
db_dict['vcaStatus'] = status_dict
# update configurationStatus for this VCA
try:
vca_index = int(path[path.rfind(".")+1:])
vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
vca_status = vca_list[vca_index].get('status')
configuration_status_list = nsr.get('configurationStatus')
config_status = configuration_status_list[vca_index].get('status')
if config_status == 'BROKEN' and vca_status != 'failed':
db_dict['configurationStatus'][vca_index] = 'READY'
elif config_status != 'BROKEN' and vca_status == 'failed':
db_dict['configurationStatus'][vca_index] = 'BROKEN'
except Exception as e:
# not update configurationStatus
self.logger.debug('Error updating vca_index (ignore): {}'.format(e))
# if nsState = 'READY' check if juju is reporting some error => nsState = 'DEGRADED'
# if nsState = 'DEGRADED' check if all is OK
is_degraded = False
if current_ns_status in ('READY', 'DEGRADED'):
error_description = ''
# check machines
if status_dict.get('machines'):
for machine_id in status_dict.get('machines'):
machine = status_dict.get('machines').get(machine_id)
# check machine agent-status
if machine.get('agent-status'):
s = machine.get('agent-status').get('status')
if s != 'started':
is_degraded = True
error_description += 'machine {} agent-status={} ; '.format(machine_id, s)
# check machine instance status
if machine.get('instance-status'):
s = machine.get('instance-status').get('status')
if s != 'running':
is_degraded = True
error_description += 'machine {} instance-status={} ; '.format(machine_id, s)
# check applications
if status_dict.get('applications'):
for app_id in status_dict.get('applications'):
app = status_dict.get('applications').get(app_id)
# check application status
if app.get('status'):
s = app.get('status').get('status')
if s != 'active':
is_degraded = True
error_description += 'application {} status={} ; '.format(app_id, s)
if error_description:
db_dict['errorDescription'] = error_description
if current_ns_status == 'READY' and is_degraded:
db_dict['nsState'] = 'DEGRADED'
if current_ns_status == 'DEGRADED' and not is_degraded:
db_dict['nsState'] = 'READY'
# write to database
self.update_db_2("nsrs", nsr_id, db_dict)
except Exception as e:
self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
return
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)
vnfd_RO.pop("kdu", None)
vnfd_RO.pop("k8s-cluster", 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 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"],
}
n2vc_key_list = n2vc_key_list or []
for vnfd_ref, vnfd in vnfd_dict.items():
vdu_needed_access = []
mgmt_cp = None
if vnfd.get("vnf-configuration"):
ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required"))
if ssh_required and 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"):
ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required"))
if ssh_required:
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"]))
if internal_vld_params.get("provider-network"):
populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
internal_vld_params["name"], "provider-network"),
internal_vld_params["provider-network"].copy())
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 vld_params.get("provider-network"):
populate_dict(RO_ns_params, ("networks", vld_params["name"], "provider-network"),
vld_params["provider-network"].copy())
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}
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))
def _get_ns_config_info(self, nsr_id):
"""
Generates a mapping between vnf,vdu elements and the N2VC id
:param nsr_id: id of nsr to get last database _admin.deployed.VCA that contains this list
:return: a dictionary with {osm-config-mapping: {}} where its element contains:
"<member-vnf-index>": <N2VC-id> for a vnf configuration, or
"<member-vnf-index>.<vdu.id>.<vdu replica(0, 1,..)>": <N2VC-id> for a vdu configuration
"""
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
mapping = {}
ns_config_info = {"osm-config-mapping": mapping}
for vca in vca_deployed_list:
if not vca["member-vnf-index"]:
continue
if not vca["vdu_id"]:
mapping[vca["member-vnf-index"]] = vca["application"]
else:
mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
vca["application"]
return ns_config_info
@staticmethod
def _get_initial_config_primitive_list(desc_primitive_list, vca_deployed):
"""
Generates a list of initial-config-primitive based on the list provided by the descriptor. It includes internal
primitives as verify-ssh-credentials, or config when needed
:param desc_primitive_list: information of the descriptor
:param vca_deployed: information of the deployed, needed for known if it is related to an NS, VNF, VDU and if
this element contains a ssh public key
:return: The modified list. Can ba an empty list, but always a list
"""
if desc_primitive_list:
primitive_list = desc_primitive_list.copy()
else:
primitive_list = []
# look for primitive config, and get the position. None if not present
config_position = None
for index, primitive in enumerate(primitive_list):
if primitive["name"] == "config":
config_position = index
break
# for NS, add always a config primitive if not present (bug 874)
if not vca_deployed["member-vnf-index"] and config_position is None:
primitive_list.insert(0, {"name": "config", "parameter": []})
config_position = 0
# for VNF/VDU add verify-ssh-credentials after config
if vca_deployed["member-vnf-index"] and config_position is not None and vca_deployed.get("ssh-public-key"):
primitive_list.insert(config_position + 1, {"name": "verify-ssh-credentials", "parameter": []})
return primitive_list
async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr,
db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list):
db_nsr_update = {}
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
start_deploy = time()
vdu_flag = False # If any of the VNFDs has VDUs
ns_params = db_nslcmop.get("operationParams")
if ns_params and ns_params.get("timeout_ns_deploy"):
timeout_ns_deploy = ns_params["timeout_ns_deploy"]
else:
timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
# 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']]
if vnfd.get("vdu"):
vdu_flag = True
vnfd_ref = vnfd["id"]
step = db_nsr_update["_admin.deployed.RO.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["_admin.deployed.RO.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 = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
if RO_nsr_id:
try:
step = db_nsr_update["_admin.deployed.RO.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["_admin.deployed.RO.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["_admin.deployed.RO.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["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters"
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"
# step = db_nsr_update["_admin.deployed.RO.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_ns_id={}".format(RO_nsr_id)
detailed_status_old = None
self.logger.debug(logging_text + step)
old_desc = None
while time() <= start_deploy + timeout_ns_deploy:
desc = await self.RO.show("ns", RO_nsr_id)
# deploymentStatus
if desc != old_desc:
# desc has changed => update db
self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
old_desc = desc
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:
if vdu_flag:
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["_admin.deployed.RO.detailed-status"] = detailed_status
self.update_db_2("nsrs", nsr_id, db_nsr_update)
await asyncio.sleep(5, loop=self.loop)
else: # timeout_ns_deploy
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["_admin.deployed.RO.operational-status"] = "running"
db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# await self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
step = "Deployed at VIM"
self.logger.debug(logging_text + step)
async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
"""
Wait for ip addres at RO, and optionally, insert public key in virtual machine
:param logging_text: prefix use for logging
:param nsr_id:
:param vnfr_id:
:param vdu_id:
:param vdu_index:
:param pub_key: public ssh key to inject, None to skip
:param user: user to apply the public ssh key
:return: IP address
"""
# self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
ro_nsr_id = None
ip_address = None
nb_tries = 0
target_vdu_id = None
ro_retries = 0
while True:
ro_retries += 1
if ro_retries >= 360: # 1 hour
raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
await asyncio.sleep(10, loop=self.loop)
# wait until NS is deployed at RO
if not ro_nsr_id:
db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
if not ro_nsr_id:
continue
# get ip address
if not target_vdu_id:
db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
if not vdu_id: # for the VNF case
ip_address = db_vnfr.get("ip-address")
if not ip_address:
continue
vdur = next((x for x in get_iterable(db_vnfr, "vdur") if x.get("ip-address") == ip_address), None)
else: # VDU case
vdur = next((x for x in get_iterable(db_vnfr, "vdur")
if x.get("vdu-id-ref") == vdu_id and x.get("count-index") == vdu_index), None)
if not vdur:
raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format(
vnfr_id, vdu_id, vdu_index
))
if vdur.get("status") == "ACTIVE":
ip_address = vdur.get("ip-address")
if not ip_address:
continue
target_vdu_id = vdur["vdu-id-ref"]
elif vdur.get("status") == "ERROR":
raise LcmException("Cannot inject ssh-key because target VM is in error state")
if not target_vdu_id:
continue
# self.logger.debug(logging_text + "IP address={}".format(ip_address))
# inject public key into machine
if pub_key and user:
# self.logger.debug(logging_text + "Inserting RO key")
try:
ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id) # TODO add vdu_index
result_dict = await self.RO.create_action(
item="ns",
item_id_name=ro_nsr_id,
descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
)
# result_dict contains the format {VM-id: {vim_result: 200, description: text}}
if not result_dict or not isinstance(result_dict, dict):
raise LcmException("Unknown response from RO when injecting key")
for result in result_dict.values():
if result.get("vim_result") == 200:
break
else:
raise ROclient.ROClientException("error injecting key: {}".format(
result.get("description")))
break
except ROclient.ROClientException as e:
if not nb_tries:
self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
format(e, 20*10))
nb_tries += 1
if nb_tries >= 20:
raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
else:
break
return ip_address
async def _wait_dependent_n2vc(self, nsr_id, vca_deployed_list, vca_index):
"""
Wait until dependent VCA deployments have been finished. NS wait for VNFs and VDUs. VNFs for VDUs
"""
my_vca = vca_deployed_list[vca_index]
if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
# vdu or kdu: no dependencies
return
timeout = 300
while timeout >= 0:
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
configuration_status_list = db_nsr["configurationStatus"]
for index, vca_deployed in enumerate(configuration_status_list):
if index == vca_index:
# myself
continue
if not my_vca.get("member-vnf-index") or \
(vca_deployed.get("member-vnf-index") == my_vca.get("member-vnf-index")):
internal_status = configuration_status_list[index].get("status")
if internal_status == 'READY':
continue
elif internal_status == 'BROKEN':
raise LcmException("Configuration aborted because dependent charm/s has failed")
else:
break
else:
# no dependencies, return
return
await asyncio.sleep(10)
timeout -= 1
raise LcmException("Configuration aborted because dependent charm/s timeout")
async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, kdu_name,
vdu_index, config_descriptor, deploy_params, base_folder, nslcmop_id):
nsr_id = db_nsr["_id"]
db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
db_dict = {
'collection': 'nsrs',
'filter': {'_id': nsr_id},
'path': db_update_entry
}
step = ""
try:
element_type = 'NS'
element_under_configuration = nsr_id
vnfr_id = None
if db_vnfr:
vnfr_id = db_vnfr["_id"]
namespace = "{nsi}.{ns}".format(
nsi=nsi_id if nsi_id else "",
ns=nsr_id)
if vnfr_id:
element_type = 'VNF'
element_under_configuration = vnfr_id
namespace += ".{}".format(vnfr_id)
if vdu_id:
namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
element_type = 'VDU'
element_under_configuration = "{}-{}".format(vdu_id, vdu_index or 0)
# Get artifact path
self.fs.sync() # Sync from FSMongo
artifact_path = "{}/{}/charms/{}".format(
base_folder["folder"],
base_folder["pkg-dir"],
config_descriptor["juju"]["charm"]
)
is_proxy_charm = deep_get(config_descriptor, ('juju', 'charm')) is not None
if deep_get(config_descriptor, ('juju', 'proxy')) is False:
is_proxy_charm = False
# n2vc_redesign STEP 3.1
# find old ee_id if exists
ee_id = vca_deployed.get("ee_id")
# create or register execution environment in VCA
if is_proxy_charm:
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='CREATING',
element_under_configuration=element_under_configuration,
element_type=element_type
)
step = "create execution environment"
self.logger.debug(logging_text + step)
ee_id, credentials = await self.n2vc.create_execution_environment(namespace=namespace,
reuse_ee_id=ee_id,
db_dict=db_dict)
else:
step = "Waiting to VM being up and getting IP address"
self.logger.debug(logging_text + step)
rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
user=None, pub_key=None)
credentials = {"hostname": rw_mgmt_ip}
# get username
username = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
# 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 not username and config_descriptor.get("initial-config-primitive"):
for config_primitive in config_descriptor["initial-config-primitive"]:
for param in config_primitive.get("parameter", ()):
if param["name"] == "ssh-username":
username = param["value"]
break
if not username:
raise LcmException("Cannot determine the username neither with 'initial-config-promitive' nor with "
"'config-access.ssh-access.default-user'")
credentials["username"] = username
# n2vc_redesign STEP 3.2
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='REGISTERING',
element_under_configuration=element_under_configuration,
element_type=element_type
)
step = "register execution environment {}".format(credentials)
self.logger.debug(logging_text + step)
ee_id = await self.n2vc.register_execution_environment(credentials=credentials, namespace=namespace,
db_dict=db_dict)
# for compatibility with MON/POL modules, the need model and application name at database
# TODO ask to N2VC instead of assuming the format "model_name.application_name"
ee_id_parts = ee_id.split('.')
model_name = ee_id_parts[0]
application_name = ee_id_parts[1]
self.update_db_2("nsrs", nsr_id, {db_update_entry + "model": model_name,
db_update_entry + "application": application_name,
db_update_entry + "ee_id": ee_id})
# n2vc_redesign STEP 3.3
step = "Install configuration Software"
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='INSTALLING SW',
element_under_configuration=element_under_configuration,
element_type=element_type
)
# TODO check if already done
self.logger.debug(logging_text + step)
await self.n2vc.install_configuration_sw(ee_id=ee_id, artifact_path=artifact_path, db_dict=db_dict)
# write in db flag of configuration_sw already installed
self.update_db_2("nsrs", nsr_id, {db_update_entry + "config_sw_installed": True})
# add relations for this VCA (wait for other peers related with this VCA)
await self._add_vca_relations(logging_text=logging_text, nsr_id=nsr_id, vca_index=vca_index)
# if SSH access is required, then get execution environment SSH public
if is_proxy_charm: # if native charm we have waited already to VM be UP
pub_key = None
user = None
if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
# Needed to inject a ssh key
user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
step = "Install configuration Software, getting public ssh key"
pub_key = await self.n2vc.get_ee_ssh_public__key(ee_id=ee_id, db_dict=db_dict)
step = "Insert public key into VM user={} ssh_key={}".format(user, pub_key)
else:
step = "Waiting to VM being up and getting IP address"
self.logger.debug(logging_text + step)
# n2vc_redesign STEP 5.1
# wait for RO (ip-address) Insert pub_key into VM
if vnfr_id:
rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
user=user, pub_key=pub_key)
else:
rw_mgmt_ip = None # This is for a NS configuration
self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
# store rw_mgmt_ip in deploy params for later replacement
deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
# n2vc_redesign STEP 6 Execute initial config primitive
step = 'execute initial config primitive'
initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
# sort initial config primitives by 'seq'
if initial_config_primitive_list:
try:
initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
except Exception as e:
self.logger.error(logging_text + step + ": " + str(e))
else:
self.logger.debug(logging_text + step + ": No initial-config-primitive")
# add config if not present for NS charm
initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
vca_deployed)
# wait for dependent primitives execution (NS -> VNF -> VDU)
if initial_config_primitive_list:
await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
# stage, in function of element type: vdu, kdu, vnf or ns
my_vca = vca_deployed_list[vca_index]
if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
# VDU or KDU
stage = 'Stage 3/5: running Day-1 primitives for VDU'
elif my_vca.get("member-vnf-index"):
# VNF
stage = 'Stage 4/5: running Day-1 primitives for VNF'
else:
# NS
stage = 'Stage 5/5: running Day-1 primitives for NS'
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='EXECUTING PRIMITIVE'
)
self._write_op_status(
op_id=nslcmop_id,
stage=stage
)
for initial_config_primitive in initial_config_primitive_list:
# adding information on the vca_deployed if it is a NS execution environment
if not vca_deployed["member-vnf-index"]:
deploy_params["ns_config_info"] = json.dumps(self._get_ns_config_info(nsr_id))
# TODO check if already done
primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
self.logger.debug(logging_text + step)
await self.n2vc.exec_primitive(
ee_id=ee_id,
primitive_name=initial_config_primitive["name"],
params_dict=primitive_params_,
db_dict=db_dict
)
# TODO register in database that primitive is done
step = "instantiated at VCA"
self.logger.debug(logging_text + step)
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='READY'
)
except Exception as e: # TODO not use Exception but N2VC exception
# self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
self._write_configuration_status(
nsr_id=nsr_id,
vca_index=vca_index,
status='BROKEN'
)
raise Exception("{} {}".format(step, e)) from e
# TODO raise N2VC exception with 'step' extra information
def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
error_description: str = None):
try:
db_dict = dict()
if ns_state:
db_dict["nsState"] = ns_state
db_dict["currentOperation"] = current_operation
db_dict["currentOperationID"] = current_operation_id
db_dict["errorDescription"] = error_description
self.update_db_2("nsrs", nsr_id, db_dict)
except Exception as e:
self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
def _write_op_status(self, op_id: str, stage: str = None, error_message: str = None, queuePosition: int = 0):
try:
db_dict = dict()
db_dict['queuePosition'] = queuePosition
db_dict['stage'] = stage
if error_message:
db_dict['errorMessage'] = error_message
self.update_db_2("nslcmops", op_id, db_dict)
except Exception as e:
self.logger.warn('Error writing OPERATION status for op_id: {} -> {}'.format(op_id, e))
def _write_all_config_status(self, nsr_id: str, status: str):
try:
# nsrs record
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# configurationStatus
config_status = db_nsr.get('configurationStatus')
if config_status:
# update status
db_dict = dict()
db_dict['configurationStatus'] = list()
for c in config_status:
c['status'] = status
db_dict['configurationStatus'].append(c)
self.update_db_2("nsrs", nsr_id, db_dict)
except Exception as e:
self.logger.warn('Error writing all configuration status, ns={}: {}'.format(nsr_id, e))
def _write_configuration_status(self, nsr_id: str, vca_index: int, status: str = None,
element_under_configuration: str = None, element_type: str = None):
# self.logger.debug('_write_configuration_status(): vca_index={}, status={}'
# .format(vca_index, status))
try:
db_path = 'configurationStatus.{}.'.format(vca_index)
db_dict = dict()
if status:
db_dict[db_path + 'status'] = status
if element_under_configuration:
db_dict[db_path + 'elementUnderConfiguration'] = element_under_configuration
if element_type:
db_dict[db_path + 'elementType'] = element_type
self.update_db_2("nsrs", nsr_id, db_dict)
except Exception as e:
self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
.format(status, nsr_id, vca_index, e))
async def instantiate(self, nsr_id, nslcmop_id):
"""
:param nsr_id: ns instance to deploy
:param nslcmop_id: operation to run
:return:
"""
# 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:
self.logger.debug('instantiate() task is not locked by me, ns={}'.format(nsr_id))
return
logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
# database nsrs record
db_nsr = None
# database nslcmops record
db_nslcmop = None
# update operation on nsrs
db_nsr_update = {"_admin.nslcmop": nslcmop_id,
"_admin.current-operation": nslcmop_id,
"_admin.operation-type": "instantiate"}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# update operation on nslcmops
db_nslcmop_update = {}
nslcmop_operation_state = None
db_vnfrs = {} # vnf's info indexed by member-index
# n2vc_info = {}
task_instantiation_list = []
task_instantiation_info = {} # from task to info text
exc = None
try:
# wait for any previous tasks in process
step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
# STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
# nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
self._write_ns_status(
nsr_id=nsr_id,
ns_state="BUILDING",
current_operation="INSTANTIATING",
current_operation_id=nslcmop_id
)
# read from db: operation
step = "Getting nslcmop={} from db".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
ns_params = db_nslcmop.get("operationParams")
if ns_params and ns_params.get("timeout_ns_deploy"):
timeout_ns_deploy = ns_params["timeout_ns_deploy"]
else:
timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
# read from db: ns
step = "Getting nsr={} from db".format(nsr_id)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# nsd is replicated into ns (no db read)
nsd = db_nsr["nsd"]
# nsr_name = db_nsr["name"] # TODO short-name??
# read from db: vnf's of this ns
step = "Getting vnfrs from db"
self.logger.debug(logging_text + step)
db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
# read from db: vnfd's for every vnf
db_vnfds_ref = {} # every vnfd data indexed by vnf name
db_vnfds = {} # every vnfd data indexed by vnf id
db_vnfds_index = {} # every vnfd data indexed by vnf member-index
self._write_op_status(
op_id=nslcmop_id,
stage='Stage 1/5: preparation of the environment',
queuePosition=0
)
# for each vnf in ns, read vnfd
for vnfr in db_vnfrs_list:
db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr # vnf's dict indexed by member-index: '1', '2', etc
vnfd_id = vnfr["vnfd-id"] # vnfd uuid for this vnf
vnfd_ref = vnfr["vnfd-ref"] # vnfd name for this vnf
# if we haven't this vnfd, read it from db
if vnfd_id not in db_vnfds:
# read from db
step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
self.logger.debug(logging_text + step)
vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
# store vnfd
db_vnfds_ref[vnfd_ref] = vnfd # vnfd's indexed by name
db_vnfds[vnfd_id] = vnfd # vnfd's indexed by id
db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id] # vnfd's indexed by member-index
# Get or generates the _admin.deployed.VCA list
vca_deployed_list = None
if db_nsr["_admin"].get("deployed"):
vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
if vca_deployed_list is None:
vca_deployed_list = []
configuration_status_list = []
db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
db_nsr_update["configurationStatus"] = configuration_status_list
# add _admin.deployed.VCA to db_nsr dictionary, value=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 isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
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)
# n2vc_redesign STEP 2 Deploy Network Scenario
self._write_op_status(
op_id=nslcmop_id,
stage='Stage 2/5: deployment of VMs and execution environments'
)
self.logger.debug(logging_text + "Before deploy_kdus")
# Call to deploy_kdus in case exists the "vdu:kdu" param
task_kdu = asyncio.ensure_future(
self.deploy_kdus(
logging_text=logging_text,
nsr_id=nsr_id,
db_nsr=db_nsr,
db_vnfrs=db_vnfrs,
db_vnfds=db_vnfds
)
)
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
task_instantiation_info[task_kdu] = "Deploy KDUs"
task_instantiation_list.append(task_kdu)
# n2vc_redesign STEP 1 Get VCA public ssh-key
# feature 1429. Add n2vc public key to needed VMs
n2vc_key = self.n2vc.get_public_key()
n2vc_key_list = [n2vc_key]
if self.vca_config.get("public_key"):
n2vc_key_list.append(self.vca_config["public_key"])
task_ro = asyncio.ensure_future(
self.instantiate_RO(
logging_text=logging_text,
nsr_id=nsr_id,
nsd=nsd,
db_nsr=db_nsr,
db_nslcmop=db_nslcmop,
db_vnfrs=db_vnfrs,
db_vnfds_ref=db_vnfds_ref,
n2vc_key_list=n2vc_key_list
)
)
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
task_instantiation_info[task_ro] = "Deploy at VIM"
task_instantiation_list.append(task_ro)
# n2vc_redesign STEP 3 to 6 Deploy N2VC
step = "Deploying proxy and native charms"
self.logger.debug(logging_text + step)
nsi_id = None # TODO put nsi_id when this nsr belongs to a NSI
# get_iterable() returns a value from a dict or empty tuple if key does not exist
for c_vnf in get_iterable(nsd, "constituent-vnfd"):
vnfd_id = c_vnf["vnfd-id-ref"]
vnfd = db_vnfds_ref[vnfd_id]
member_vnf_index = str(c_vnf["member-vnf-index"])
db_vnfr = db_vnfrs[member_vnf_index]
base_folder = vnfd["_admin"]["storage"]
vdu_id = None
vdu_index = 0
vdu_name = None
kdu_name = None
# Get additional parameters
deploy_params = {}
if db_vnfr.get("additionalParamsForVnf"):
deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
descriptor_config = vnfd.get("vnf-configuration")
if descriptor_config and descriptor_config.get("juju"):
self._deploy_n2vc(
logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
db_nsr=db_nsr,
db_vnfr=db_vnfr,
nslcmop_id=nslcmop_id,
nsr_id=nsr_id,
nsi_id=nsi_id,
vnfd_id=vnfd_id,
vdu_id=vdu_id,
kdu_name=kdu_name,
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
deploy_params=deploy_params,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_list=task_instantiation_list,
task_instantiation_info=task_instantiation_info
)
# Deploy charms for each VDU that supports one.
for vdud in get_iterable(vnfd, 'vdu'):
vdu_id = vdud["id"]
descriptor_config = vdud.get('vdu-configuration')
vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
if vdur.get("additionalParams"):
deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
else:
deploy_params_vdu = deploy_params
if descriptor_config and descriptor_config.get("juju"):
# look for vdu index in the db_vnfr["vdu"] section
# for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
# if vdur["vdu-id-ref"] == vdu_id:
# break
# else:
# raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
# "member_vnf_index={}".format(vdu_id, member_vnf_index))
# vdu_name = vdur.get("name")
vdu_name = None
kdu_name = None
for vdu_index in range(int(vdud.get("count", 1))):
# TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
self._deploy_n2vc(
logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
member_vnf_index, vdu_id, vdu_index),
db_nsr=db_nsr,
db_vnfr=db_vnfr,
nslcmop_id=nslcmop_id,
nsr_id=nsr_id,
nsi_id=nsi_id,
vnfd_id=vnfd_id,
vdu_id=vdu_id,
kdu_name=kdu_name,
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
deploy_params=deploy_params_vdu,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_list=task_instantiation_list,
task_instantiation_info=task_instantiation_info
)
for kdud in get_iterable(vnfd, 'kdu'):
kdu_name = kdud["name"]
descriptor_config = kdud.get('kdu-configuration')
if descriptor_config and descriptor_config.get("juju"):
vdu_id = None
vdu_index = 0
vdu_name = None
# look for vdu index in the db_vnfr["vdu"] section
# for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
# if vdur["vdu-id-ref"] == vdu_id:
# break
# else:
# raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
# "member_vnf_index={}".format(vdu_id, member_vnf_index))
# vdu_name = vdur.get("name")
# vdu_name = None
self._deploy_n2vc(
logging_text=logging_text,
db_nsr=db_nsr,
db_vnfr=db_vnfr,
nslcmop_id=nslcmop_id,
nsr_id=nsr_id,
nsi_id=nsi_id,
vnfd_id=vnfd_id,
vdu_id=vdu_id,
kdu_name=kdu_name,
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
deploy_params=deploy_params,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_list=task_instantiation_list,
task_instantiation_info=task_instantiation_info
)
# Check if this NS has a charm configuration
descriptor_config = nsd.get("ns-configuration")
if descriptor_config and descriptor_config.get("juju"):
vnfd_id = None
db_vnfr = None
member_vnf_index = None
vdu_id = None
kdu_name = None
vdu_index = 0
vdu_name = None
# Get additional parameters
deploy_params = {}
if db_nsr.get("additionalParamsForNs"):
deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
base_folder = nsd["_admin"]["storage"]
self._deploy_n2vc(
logging_text=logging_text,
db_nsr=db_nsr,
db_vnfr=db_vnfr,
nslcmop_id=nslcmop_id,
nsr_id=nsr_id,
nsi_id=nsi_id,
vnfd_id=vnfd_id,
vdu_id=vdu_id,
kdu_name=kdu_name,
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
deploy_params=deploy_params,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_list=task_instantiation_list,
task_instantiation_info=task_instantiation_info
)
# Wait until all tasks of "task_instantiation_list" have been finished
error_text_list = []
# let's begin with all OK
instantiated_ok = True
# let's begin with RO 'running' status (later we can change it)
db_nsr_update["operational-status"] = "running"
# let's begin with VCA 'configured' status (later we can change it)
db_nsr_update["config-status"] = "configured"
step = "Waiting for tasks to be finished"
if task_instantiation_list:
# wait for all tasks completion
done, pending = await asyncio.wait(task_instantiation_list, timeout=timeout_ns_deploy)
for task in pending:
instantiated_ok = False
if task in (task_ro, task_kdu):
# RO or KDU task is pending
db_nsr_update["operational-status"] = "failed"
else:
# A N2VC task is pending
db_nsr_update["config-status"] = "failed"
self.logger.error(logging_text + task_instantiation_info[task] + ": Timeout")
error_text_list.append(task_instantiation_info[task] + ": Timeout")
for task in done:
if task.cancelled():
instantiated_ok = False
if task in (task_ro, task_kdu):
# RO or KDU task was cancelled
db_nsr_update["operational-status"] = "failed"
else:
# A N2VC was cancelled
db_nsr_update["config-status"] = "failed"
self.logger.warn(logging_text + task_instantiation_info[task] + ": Cancelled")
error_text_list.append(task_instantiation_info[task] + ": Cancelled")
else:
exc = task.exception()
if exc:
instantiated_ok = False
if task in (task_ro, task_kdu):
# RO or KDU task raised an exception
db_nsr_update["operational-status"] = "failed"
else:
# A N2VC task raised an exception
db_nsr_update["config-status"] = "failed"
self.logger.error(logging_text + task_instantiation_info[task] + ": Failed")
if isinstance(exc, (N2VCException, ROclient.ROClientException)):
error_text_list.append(task_instantiation_info[task] + ": {}".format(exc))
else:
exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
self.logger.error(logging_text + task_instantiation_info[task] + exc_traceback)
error_text_list.append(task_instantiation_info[task] + ": " + exc_traceback)
else:
self.logger.debug(logging_text + task_instantiation_info[task] + ": Done")
if error_text_list:
error_text = "\n".join(error_text_list)
db_nsr_update["detailed-status"] = error_text
db_nslcmop_update["detailed-status"] = error_text
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
else:
# all is done
db_nsr_update["detailed-status"] = "done"
db_nslcmop_update["detailed-status"] = "done"
db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
db_nslcmop_update["statusEnteredTime"] = time()
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"
db_nsr_update["config-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
db_nsr_update["_admin.current-operation"] = None
db_nsr_update["_admin.operation-type"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# nsState="READY/BROKEN", currentOperation="IDLE", currentOperationID=None
ns_state = None
error_description = None
if instantiated_ok:
ns_state = "READY"
else:
ns_state = "BROKEN"
error_description = 'Operation: INSTANTIATING.{}, step: {}'.format(nslcmop_id, step)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=ns_state,
current_operation="IDLE",
current_operation_id=None,
error_description=error_description
)
self._write_op_status(
op_id=nslcmop_id,
error_message=error_description
)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.logger.debug(logging_text + 'End of instantiation: {}'.format(instantiated_ok))
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 _add_vca_relations(self, logging_text, nsr_id, vca_index: int, timeout: int = 3600) -> bool:
# steps:
# 1. find all relations for this VCA
# 2. wait for other peers related
# 3. add relations
try:
# STEP 1: find all relations for this VCA
# read nsr record
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# this VCA data
my_vca = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))[vca_index]
# read all ns-configuration relations
ns_relations = list()
db_ns_relations = deep_get(db_nsr, ('nsd', 'ns-configuration', 'relation'))
if db_ns_relations:
for r in db_ns_relations:
# check if this VCA is in the relation
if my_vca.get('member-vnf-index') in\
(r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
ns_relations.append(r)
# read all vnf-configuration relations
vnf_relations = list()
db_vnfd_list = db_nsr.get('vnfd-id')
if db_vnfd_list:
for vnfd in db_vnfd_list:
db_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
db_vnf_relations = deep_get(db_vnfd, ('vnf-configuration', 'relation'))
if db_vnf_relations:
for r in db_vnf_relations:
# check if this VCA is in the relation
if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
vnf_relations.append(r)
# if no relations, terminate
if not ns_relations and not vnf_relations:
self.logger.debug(logging_text + ' No relations')
return True
self.logger.debug(logging_text + ' adding relations\n {}\n {}'.format(ns_relations, vnf_relations))
# add all relations
start = time()
while True:
# check timeout
now = time()
if now - start >= timeout:
self.logger.error(logging_text + ' : timeout adding relations')
return False
# reload nsr from database (we need to update record: _admin.deloyed.VCA)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# for each defined NS relation, find the VCA's related
for r in ns_relations:
from_vca_ee_id = None
to_vca_ee_id = None
from_vca_endpoint = None
to_vca_endpoint = None
vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
for vca in vca_list:
if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
and vca.get('config_sw_installed'):
from_vca_ee_id = vca.get('ee_id')
from_vca_endpoint = r.get('entities')[0].get('endpoint')
if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
and vca.get('config_sw_installed'):
to_vca_ee_id = vca.get('ee_id')
to_vca_endpoint = r.get('entities')[1].get('endpoint')
if from_vca_ee_id and to_vca_ee_id:
# add relation
await self.n2vc.add_relation(
ee_id_1=from_vca_ee_id,
ee_id_2=to_vca_ee_id,
endpoint_1=from_vca_endpoint,
endpoint_2=to_vca_endpoint)
# remove entry from relations list
ns_relations.remove(r)
else:
# check failed peers
try:
vca_status_list = db_nsr.get('configurationStatus')
if vca_status_list:
for i in range(len(vca_list)):
vca = vca_list[i]
vca_status = vca_status_list[i]
if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
if vca_status.get('status') == 'BROKEN':
# peer broken: remove relation from list
ns_relations.remove(r)
if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
if vca_status.get('status') == 'BROKEN':
# peer broken: remove relation from list
ns_relations.remove(r)
except Exception:
# ignore
pass
# for each defined VNF relation, find the VCA's related
for r in vnf_relations:
from_vca_ee_id = None
to_vca_ee_id = None
from_vca_endpoint = None
to_vca_endpoint = None
vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
for vca in vca_list:
if vca.get('vdu_id') == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
from_vca_ee_id = vca.get('ee_id')
from_vca_endpoint = r.get('entities')[0].get('endpoint')
if vca.get('vdu_id') == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
to_vca_ee_id = vca.get('ee_id')
to_vca_endpoint = r.get('entities')[1].get('endpoint')
if from_vca_ee_id and to_vca_ee_id:
# add relation
await self.n2vc.add_relation(
ee_id_1=from_vca_ee_id,
ee_id_2=to_vca_ee_id,
endpoint_1=from_vca_endpoint,
endpoint_2=to_vca_endpoint)
# remove entry from relations list
vnf_relations.remove(r)
else:
# check failed peers
try:
vca_status_list = db_nsr.get('configurationStatus')
if vca_status_list:
for i in range(len(vca_list)):
vca = vca_list[i]
vca_status = vca_status_list[i]
if vca.get('vdu_id') == r.get('entities')[0].get('id'):
if vca_status.get('status') == 'BROKEN':
# peer broken: remove relation from list
ns_relations.remove(r)
if vca.get('vdu_id') == r.get('entities')[1].get('id'):
if vca_status.get('status') == 'BROKEN':
# peer broken: remove relation from list
ns_relations.remove(r)
except Exception:
# ignore
pass
# wait for next try
await asyncio.sleep(5.0)
if not ns_relations and not vnf_relations:
self.logger.debug('Relations added')
break
return True
except Exception as e:
self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
return False
async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs, db_vnfds):
# Launch kdus if present in the descriptor
deployed_ok = True
k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
def _get_cluster_id(cluster_id, cluster_type):
nonlocal k8scluster_id_2_uuic
if cluster_id in k8scluster_id_2_uuic[cluster_type]:
return k8scluster_id_2_uuic[cluster_type][cluster_id]
db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
if not db_k8scluster:
raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
if not k8s_id:
raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
return k8s_id
logging_text += "Deploy kdus: "
try:
db_nsr_update = {"_admin.deployed.K8s": []}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# Look for all vnfds
pending_tasks = {}
index = 0
for vnfr_data in db_vnfrs.values():
for kdur in get_iterable(vnfr_data, "kdur"):
desc_params = self._format_additional_params(kdur.get("additionalParams"))
kdumodel = None
k8sclustertype = None
error_text = None
cluster_uuid = None
vnfd_id = vnfr_data.get('vnfd-id')
pkgdir = deep_get(db_vnfds.get(vnfd_id), ('_admin', 'storage', 'pkg-dir'))
if kdur.get("helm-chart"):
kdumodel = kdur["helm-chart"]
k8sclustertype = "chart"
k8sclustertype_full = "helm-chart"
elif kdur.get("juju-bundle"):
kdumodel = kdur["juju-bundle"]
k8sclustertype = "juju"
k8sclustertype_full = "juju-bundle"
else:
error_text = "kdu type is neither helm-chart nor juju-bundle. Maybe an old NBI version is" \
" running"
# check if kdumodel is a file and exists
try:
# path format: /vnfdid/pkkdir/kdumodel
filename = '{}/{}/{}s/{}'.format(vnfd_id, pkgdir, k8sclustertype_full, kdumodel)
if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
kdumodel = self.fs.path + filename
except Exception:
# it is not a file
pass
try:
if not error_text:
cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
except LcmException as e:
error_text = str(e)
deployed_ok = False
step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
"k8scluster-type": k8sclustertype,
"kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
if error_text:
k8s_instace_info["detailed-status"] = error_text
db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if error_text:
continue
db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
"{}".format(index)}
if k8sclustertype == "chart":
task = asyncio.ensure_future(
self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
params=desc_params, db_dict=db_dict, timeout=3600)
)
else:
task = asyncio.ensure_future(
self.k8sclusterjuju.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
atomic=True, params=desc_params,
db_dict=db_dict, timeout=600,
kdu_name=kdur["kdu-name"])
)
pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
index += 1
if pending_tasks:
self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
pending_list = list(pending_tasks.keys())
while pending_list:
done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
return_when=asyncio.FIRST_COMPLETED)
if not done_list: # timeout
for task in pending_list:
db_nsr_update[pending_tasks(task) + "detailed-status"] = "Timeout"
deployed_ok = False
break
for task in done_list:
exc = task.exception()
if exc:
db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
deployed_ok = False
else:
db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
if not deployed_ok:
raise LcmException('Cannot deploy KDUs')
except Exception as e:
msg = "{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e)
self.logger.error(msg)
raise LcmException(msg)
finally:
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
base_folder, task_instantiation_list, task_instantiation_info):
# launch instantiate_N2VC in a asyncio task and register task object
# Look where information of this charm is at database <nsrs>._admin.deployed.VCA
# if not found, create one entry and update database
# fill db_nsr._admin.deployed.VCA.<index>
vca_index = -1
for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
if not vca_deployed:
continue
if vca_deployed.get("member-vnf-index") == member_vnf_index and \
vca_deployed.get("vdu_id") == vdu_id and \
vca_deployed.get("kdu_name") == kdu_name and \
vca_deployed.get("vdu_count_index", 0) == vdu_index:
break
else:
# not found, create one.
vca_deployed = {
"member-vnf-index": member_vnf_index,
"vdu_id": vdu_id,
"kdu_name": kdu_name,
"vdu_count_index": vdu_index,
"operational-status": "init", # TODO revise
"detailed-status": "", # TODO revise
"step": "initial-deploy", # TODO revise
"vnfd_id": vnfd_id,
"vdu_name": vdu_name,
}
vca_index += 1
# create VCA and configurationStatus in db
db_dict = {
"_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
"configurationStatus.{}".format(vca_index): dict()
}
self.update_db_2("nsrs", nsr_id, db_dict)
db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
# Launch task
task_n2vc = asyncio.ensure_future(
self.instantiate_N2VC(
logging_text=logging_text,
vca_index=vca_index,
nsi_id=nsi_id,
db_nsr=db_nsr,
db_vnfr=db_vnfr,
vdu_id=vdu_id,
kdu_name=kdu_name,
vdu_index=vdu_index,
deploy_params=deploy_params,
config_descriptor=descriptor_config,
base_folder=base_folder,
nslcmop_id=nslcmop_id
)
)
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
task_instantiation_info[task_n2vc] = "Deploy VCA {}.{}".format(member_vnf_index or "", vdu_id or "")
task_instantiation_list.append(task_n2vc)
# 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 _format_additional_params(self, params):
params = params or {}
for key, value in params.items():
if str(value).startswith("!!yaml "):
params[key] = yaml.safe_load(value[7:])
return params
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)
# sub-operations
def _reintent_or_skip_suboperation(self, db_nslcmop, op_index):
op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
if (op.get('operationState') == 'COMPLETED'):
# b. Skip sub-operation
# _ns_execute_primitive() or RO.create_action() will NOT be executed
return self.SUBOPERATION_STATUS_SKIP
else:
# c. Reintent executing sub-operation
# The sub-operation exists, and operationState != 'COMPLETED'
# Update operationState = 'PROCESSING' to indicate a reintent.
operationState = 'PROCESSING'
detailed_status = 'In progress'
self._update_suboperation_status(
db_nslcmop, op_index, operationState, detailed_status)
# Return the sub-operation index
# _ns_execute_primitive() or RO.create_action() will be called from scale()
# with arguments extracted from the sub-operation
return op_index
# Find a sub-operation where all keys in a matching dictionary must match
# Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
def _find_suboperation(self, db_nslcmop, match):
if (db_nslcmop and match):
op_list = db_nslcmop.get('_admin', {}).get('operations', [])
for i, op in enumerate(op_list):
if all(op.get(k) == match[k] for k in match):
return i
return self.SUBOPERATION_STATUS_NOT_FOUND
# Update status for a sub-operation given its index
def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
# Update DB for HA tasks
q_filter = {'_id': db_nslcmop['_id']}
update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
'_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
self.db.set_one("nslcmops",
q_filter=q_filter,
update_dict=update_dict,
fail_on_empty=False)
# Add sub-operation, return the index of the added sub-operation
# Optionally, set operationState, detailed-status, and operationType
# Status and type are currently set for 'scale' sub-operations:
# 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
# 'detailed-status' : status message
# 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
# Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
RO_nsr_id=None, RO_scaling_info=None):
if not (db_nslcmop):
return self.SUBOPERATION_STATUS_NOT_FOUND
# Get the "_admin.operations" list, if it exists
db_nslcmop_admin = db_nslcmop.get('_admin', {})
op_list = db_nslcmop_admin.get('operations')
# Create or append to the "_admin.operations" list
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 operationState:
new_op['operationState'] = operationState
if detailed_status:
new_op['detailed-status'] = detailed_status
if operationType:
new_op['lcmOperationType'] = operationType
if RO_nsr_id:
new_op['RO_nsr_id'] = RO_nsr_id
if RO_scaling_info:
new_op['RO_scaling_info'] = RO_scaling_info
if not op_list:
# No existing operations, create key 'operations' with current operation as first list element
db_nslcmop_admin.update({'operations': [new_op]})
op_list = db_nslcmop_admin.get('operations')
else:
# Existing operations, append operation to list
op_list.append(new_op)
db_nslcmop_update = {'_admin.operations': op_list}
self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
op_index = len(op_list) - 1
return op_index
# Helper methods for scale() sub-operations
# pre-scale/post-scale:
# Check for 3 different cases:
# a. New: First time execution, return SUBOPERATION_STATUS_NEW
# b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
# c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
operationType, RO_nsr_id=None, RO_scaling_info=None):
# Find this sub-operation
if (RO_nsr_id and RO_scaling_info):
operationType = 'SCALE-RO'
match = {
'member_vnf_index': vnf_index,
'RO_nsr_id': RO_nsr_id,
'RO_scaling_info': RO_scaling_info,
}
else:
match = {
'member_vnf_index': vnf_index,
'primitive': vnf_config_primitive,
'primitive_params': primitive_params,
'lcmOperationType': operationType
}
op_index = self._find_suboperation(db_nslcmop, match)
if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND):
# a. New sub-operation
# The sub-operation does not exist, add it.
# _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
# The following parameters are set to None for all kind of scaling:
vdu_id = None
vdu_count_index = None
vdu_name = None
if (RO_nsr_id and RO_scaling_info):
vnf_config_primitive = None
primitive_params = None
else:
RO_nsr_id = None
RO_scaling_info = None
# Initial status for sub-operation
operationState = 'PROCESSING'
detailed_status = 'In progress'
# Add sub-operation for pre/post-scaling (zero or more operations)
self._add_suboperation(db_nslcmop,
vnf_index,
vdu_id,
vdu_count_index,
vdu_name,
vnf_config_primitive,
primitive_params,
operationState,
detailed_status,
operationType,
RO_nsr_id,
RO_scaling_info)
return self.SUBOPERATION_STATUS_NEW
else:
# Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
# or op_index (operationState != 'COMPLETED')
return self._reintent_or_skip_suboperation(db_nslcmop, op_index)
# Function to return execution_environment id
def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
for vca in vca_deployed_list:
if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
return vca["ee_id"]
# Helper methods for terminate()
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_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
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 sub-operation
self._add_suboperation(db_nslcmop,
nslcmop_id,
vnf_index,
vdu_id,
vdu_count_index,
vdu_name,
primitive,
mapped_primitive_params)
# Sub-operations: Call _ns_execute_primitive() instead of action()
# db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# nsr_deployed = db_nsr["_admin"]["deployed"]
# 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))
ee_id = self._get_ee_id(vnf_index, vdu_id, vca_deployed_list)
try:
await self.n2vc.exec_primitive(
ee_id=ee_id,
primitive_name=primitive,
params_dict=mapped_primitive_params
)
except Exception as e:
self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
raise LcmException(
"terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
.format(vnf_index, seq.get("name"), e),
)
async def _delete_N2VC(self, nsr_id: str):
self._write_all_config_status(nsr_id=nsr_id, status='TERMINATING')
namespace = "." + nsr_id
await self.n2vc.delete_namespace(namespace=namespace)
self._write_all_config_status(nsr_id=nsr_id, status='DELETED')
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
db_nsr_update = {"_admin.nslcmop": nslcmop_id,
"_admin.current-operation": nslcmop_id,
"_admin.operation-type": "terminate"}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
db_nslcmop_update = {}
nslcmop_operation_state = None
autoremove = False # autoremove after terminated
pending_tasks = []
try:
# wait for any previous tasks in process
step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
self._write_ns_status(
nsr_id=nsr_id,
ns_state="TERMINATING",
current_operation="TERMINATING",
current_operation_id=nslcmop_id
)
self._write_op_status(
op_id=nslcmop_id,
queuePosition=0
)
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)
pending_tasks = []
db_nsr_update["operational-status"] = "terminating"
db_nsr_update["config-status"] = "terminating"
# remove NS
try:
step = "delete execution environment"
self.logger.debug(logging_text + step)
task_delete_ee = asyncio.ensure_future(self._delete_N2VC(nsr_id=nsr_id))
# task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
pending_tasks.append(task_delete_ee)
except Exception as e:
msg = "Failed while deleting ns={} in VCA: {}".format(nsr_id, e)
self.logger.error(msg)
failed_detail.append(msg)
try:
# Delete from k8scluster
step = "delete kdus"
self.logger.debug(logging_text + step)
# print(nsr_deployed)
if nsr_deployed:
for kdu in nsr_deployed.get("K8s", ()):
kdu_instance = kdu.get("kdu-instance")
if not kdu_instance:
continue
if kdu.get("k8scluster-type") == "chart":
task_delete_kdu_instance = asyncio.ensure_future(
self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu_instance))
elif kdu.get("k8scluster-type") == "juju":
task_delete_kdu_instance = asyncio.ensure_future(
self.k8sclusterjuju.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu_instance))
else:
self.error(logging_text + "Unknown k8s deployment type {}".
format(kdu.get("k8scluster-type")))
continue
pending_tasks.append(task_delete_kdu_instance)
except LcmException as e:
msg = "Failed while deleting KDUs from ns={}: {}".format(nsr_id, e)
self.logger.error(msg)
failed_detail.append(msg)
# 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)
# deploymentStatus
self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
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])
if failed_detail:
terminate_ok = False
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:
terminate_ok = True
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
db_nsr_update["_admin.current-operation"] = None
db_nsr_update["_admin.operation-type"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if terminate_ok:
ns_state = "IDLE"
error_description = None
error_detail = None
else:
ns_state = "BROKEN"
error_detail = "; ".join(failed_detail)
error_description = 'Operation: TERMINATING.{}, step: {}. Detail: {}'\
.format(nslcmop_id, step, error_detail)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=ns_state,
current_operation="IDLE",
current_operation_id=None,
error_description=error_description
)
self._write_op_status(
op_id=nslcmop_id,
error_message=error_description
)
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))
# wait for pending tasks
done = None
pending = None
if pending_tasks:
self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
done, pending = await asyncio.wait(pending_tasks, timeout=3600)
if not pending:
self.logger.debug(logging_text + 'All tasks finished...')
else:
self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
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(calculated_params[param_name], 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:]
# add always ns_config_info if primitive name is config
if primitive_desc["name"] == "config":
if "ns_config_info" in instantiation_params:
calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
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) -> (str, str):
# find vca_deployed record for this action
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:
# vca_deployed not found
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))
# get ee_id
ee_id = vca_deployed.get("ee_id")
if not ee_id:
raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
"execution environment"
.format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
if primitive == "config":
primitive_params = {"params": primitive_params}
while retries >= 0:
try:
output = await self.n2vc.exec_primitive(
ee_id=ee_id,
primitive_name=primitive,
params_dict=primitive_params
)
# execution was OK
break
except Exception as e:
retries -= 1
if retries >= 0:
self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
# wait and retry
await asyncio.sleep(retries_interval, loop=self.loop)
else:
return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
return output, 'OK'
except Exception as e:
return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
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,
"_admin.current-operation": nslcmop_id,
"_admin.operation-type": "action"}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
db_nslcmop_update = {}
nslcmop_operation_state = None
nslcmop_operation_state_detail = None
exc = None
try:
# wait for any previous tasks in process
step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
current_operation="RUNNING ACTION",
current_operation_id=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")
kdu_name = db_nslcmop["operationParams"].get("kdu_name")
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 kdu_name:
self.logger.debug(logging_text + "Checking actions in KDUs")
kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
if primitive_params:
desc_params.update(primitive_params)
# TODO Check if we will need something at vnf level
index = 0
for kdu in get_iterable(nsr_deployed, "K8s"):
if kdu_name == kdu["kdu-name"]:
db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
"path": "_admin.deployed.K8s.{}".format(index)}
if primitive == "upgrade":
if desc_params.get("kdu_model"):
kdu_model = desc_params.get("kdu_model")
del desc_params["kdu_model"]
else:
kdu_model = kdu.get("kdu-model")
parts = kdu_model.split(sep=":")
if len(parts) == 2:
kdu_model = parts[0]
if kdu.get("k8scluster-type") == "chart":
output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"),
atomic=True, kdu_model=kdu_model,
params=desc_params, db_dict=db_dict,
timeout=300)
elif kdu.get("k8scluster-type") == "juju":
output = await self.k8sclusterjuju.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"),
atomic=True, kdu_model=kdu_model,
params=desc_params, db_dict=db_dict,
timeout=300)
else:
msg = "k8scluster-type not defined"
raise LcmException(msg)
self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
break
elif primitive == "rollback":
if kdu.get("k8scluster-type") == "chart":
output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"),
db_dict=db_dict)
elif kdu.get("k8scluster-type") == "juju":
output = await self.k8sclusterjuju.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"),
db_dict=db_dict)
else:
msg = "k8scluster-type not defined"
raise LcmException(msg)
break
elif primitive == "status":
if kdu.get("k8scluster-type") == "chart":
output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"))
elif kdu.get("k8scluster-type") == "juju":
output = await self.k8sclusterjuju.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance"))
else:
msg = "k8scluster-type not defined"
raise LcmException(msg)
break
index += 1
else:
raise LcmException("KDU '{}' not found".format(kdu_name))
if output:
db_nslcmop_update["detailed-status"] = output
db_nslcmop_update["operationState"] = 'COMPLETED'
db_nslcmop_update["statusEnteredTime"] = time()
else:
db_nslcmop_update["detailed-status"] = ''
db_nslcmop_update["operationState"] = 'FAILED'
db_nslcmop_update["statusEnteredTime"] = time()
return
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 = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
if vdu_id:
vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
if vdur.get("additionalParams"):
desc_params = self._format_additional_params(vdur["additionalParams"])
else:
if db_nsr.get("additionalParamsForNs"):
desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
# TODO check if ns is in a proper status
output, detail = await self._ns_execute_primitive(
db_deployed=nsr_deployed,
member_vnf_index=vnf_index,
vdu_id=vdu_id,
vdu_name=vdu_name,
vdu_count_index=vdu_count_index,
primitive=primitive,
primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
detailed_status = output
if detail == 'OK':
result = 'COMPLETED'
else:
result = 'FAILED'
db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
db_nslcmop_update["operationState"] = nslcmop_operation_state = result
db_nslcmop_update["statusEnteredTime"] = time()
self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
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
db_nsr_update["_admin.operation-type"] = None
db_nsr_update["_admin.nslcmop"] = None
db_nsr_update["_admin.current-operation"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
current_operation="IDLE",
current_operation_id=None
)
if exc:
self._write_op_status(
op_id=nslcmop_id,
error_message=nslcmop_operation_state_detail
)
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,
"_admin.current-operation": nslcmop_id,
"_admin.operation-type": "scale"}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
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
step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
current_operation="SCALING",
current_operation_id=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")
#######
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")
#######
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")
# PRE-SCALE BEGIN
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") == "pre-scale-in" and scaling_type == "SCALE_IN") \
or (scaling_config_action.get("trigger") == "pre-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 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"
primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
# Pre-scale reintent check: Check if this sub-operation has been executed before
op_index = self._check_or_add_scale_suboperation(
db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
if (op_index == self.SUBOPERATION_STATUS_SKIP):
# Skip sub-operation
result = 'COMPLETED'
result_detail = 'Done'
self.logger.debug(logging_text +
"vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
vnf_config_primitive, result, result_detail))
else:
if (op_index == self.SUBOPERATION_STATUS_NEW):
# New sub-operation: Get index of this sub-operation
op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
format(vnf_config_primitive))
else:
# Reintent: Get registered params for this existing sub-operation
op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
vnf_index = op.get('member_vnf_index')
vnf_config_primitive = op.get('primitive')
primitive_params = op.get('primitive_params')
self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
format(vnf_config_primitive))
# Execute the primitive, either with new (first-time) or registered (reintent) args
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
vnf_config_primitive, result, result_detail))
# Update operationState = COMPLETED | FAILED
self._update_suboperation_status(
db_nslcmop, op_index, result, result_detail)
if result == "FAILED":
raise LcmException(result_detail)
db_nsr_update["config-status"] = old_config_status
scale_process = None
# PRE-SCALE END
# SCALE RO - BEGIN
# Should this block be skipped if 'RO_nsr_id' == None ?
# if (RO_nsr_id and RO_scaling_info):
if RO_scaling_info:
scale_process = "RO"
# Scale RO reintent check: Check if this sub-operation has been executed before
op_index = self._check_or_add_scale_suboperation(
db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
if (op_index == self.SUBOPERATION_STATUS_SKIP):
# Skip sub-operation
result = 'COMPLETED'
result_detail = 'Done'
self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
result, result_detail))
else:
if (op_index == self.SUBOPERATION_STATUS_NEW):
# New sub-operation: Get index of this sub-operation
op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
self.logger.debug(logging_text + "New sub-operation RO")
else:
# Reintent: Get registered params for this existing sub-operation
op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
RO_nsr_id = op.get('RO_nsr_id')
RO_scaling_info = op.get('RO_scaling_info')
self.logger.debug(logging_text + "Sub-operation RO reintent".format(
vnf_config_primitive))
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)
# deploymentStatus
self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
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 ns ready at RO. 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:
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)
# deploymentStatus
self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
# 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:
self._update_suboperation_status(
db_nslcmop, op_index, 'COMPLETED', detailed_status)
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:
self._update_suboperation_status(
db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
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"]
self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
# SCALE RO - END
scale_process = None
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# POST-SCALE BEGIN
# 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") == "post-scale-in" and scaling_type == "SCALE_IN") \
or (scaling_config_action.get("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"
primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
# Post-scale reintent check: Check if this sub-operation has been executed before
op_index = self._check_or_add_scale_suboperation(
db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
if op_index == self.SUBOPERATION_STATUS_SKIP:
# Skip sub-operation
result = 'COMPLETED'
result_detail = 'Done'
self.logger.debug(logging_text +
"vnf_config_primitive={} Skipped sub-operation, result {} {}".
format(vnf_config_primitive, result, result_detail))
else:
if op_index == self.SUBOPERATION_STATUS_NEW:
# New sub-operation: Get index of this sub-operation
op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
format(vnf_config_primitive))
else:
# Reintent: Get registered params for this existing sub-operation
op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
vnf_index = op.get('member_vnf_index')
vnf_config_primitive = op.get('primitive')
primitive_params = op.get('primitive_params')
self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
format(vnf_config_primitive))
# Execute the primitive, either with new (first-time) or registered (reintent) args
result, result_detail = await self._ns_execute_primitive(
nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
vnf_config_primitive, result, result_detail))
# Update operationState = COMPLETED | FAILED
self._update_suboperation_status(
db_nslcmop, op_index, result, result_detail)
if result == "FAILED":
raise LcmException(result_detail)
db_nsr_update["config-status"] = old_config_status
scale_process = None
# POST-SCALE END
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:
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
current_operation="IDLE",
current_operation_id=None
)
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.current-operation"] = None
db_nsr_update["_admin.operation-type"] = None
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
current_operation="IDLE",
current_operation_id=None
)
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, loop=self.loop)
# 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")