-#!/usr/bin/python3
# -*- 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
class NsLcm(LcmBase):
timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed
total_deploy_timeout = 2 * 3600 # global timeout for deployment
+ timeout_charm_delete = 10 * 60
def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop):
"""
RO = ROclient.ROClient(self.loop, **self.ro_config)
+ # 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)
+
# get vnfds, instantiate at RO
for vnfd_id, vnfd in db_vnfds.items():
vnfd_ref = vnfd["id"]
vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO)
desc = await RO.create("vnfd", descriptor=vnfd_RO)
db_nsr_update["_admin.deployed.RO.vnfd_id.{}".format(vnfd_id)] = desc["uuid"]
- db_nsr_update["_admin.nsState"] = "INSTANTIATED"
self.logger.debug(logging_text + "vnfd={} created at RO. RO_id={}".format(
vnfd_ref, desc["uuid"]))
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# ns_name will be ignored in the current version of N2VC
# but will be implemented for the next point release.
- model_name = 'default' # TODO bug 581 : change to nsr_id
+ model_name = "default" # TODO bug 585 nsr_id
if vdu_id:
- vdu_id_text = vdu_id
+ vdu_id_text = vdu_id + "-"
else:
- vdu_id_text = "vnfd" # TODO bug 581 remove and add just an empty string ""
+ vdu_id_text = "-"
application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index, vdu_id_text)
- # TODO bug 581 Add "-" as a final argument
vca_index = len(vca_deployed_list)
# trunk name and add two char index at the end to ensure that it is unique. It is assumed no more than
# 26*26 charm in the same NS
- # TODO bug 581 uncoment
- # application_name = application_name[0:48]
- # application_name += chr(97 + vca_index / 26) + chr(97 + vca_index % 26)
+ application_name = application_name[0:48]
+ application_name += chr(97 + vca_index // 26) + chr(97 + vca_index % 26)
vca_deployed_ = {
"member-vnf-index": vnf_index,
"vdu_id": vdu_id,
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["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+ try:
+ if db_nsr:
+ db_nsr_update["_admin.nslcmop"] = None
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ if db_nslcmop_update:
+ self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+ except DbException as e:
+ self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
+ async def _destroy_charm(self, model, application):
+ """
+ Order N2VC destroy a charm
+ :param model:
+ :param application:
+ :return: True if charm does not exist. False if it exist
+ """
+ if not await self.n2vc.HasApplication(model, application):
+ return True # Already removed
+ await self.n2vc.RemoveCharms(model, application)
+ return False
+
+ async def _wait_charm_destroyed(self, model, application, timeout):
+ """
+ Wait until charm does not exist
+ :param model:
+ :param application:
+ :param timeout:
+ :return: True if not exist, False if timeout
+ """
+ while True:
+ if not await self.n2vc.HasApplication(model, application):
+ return True
+ if timeout < 0:
+ return False
+ await asyncio.sleep(10)
+ timeout -= 10
+
async def terminate(self, nsr_id, nslcmop_id):
logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
db_nslcmop = None
exc = None
failed_detail = [] # annotates all failed error messages
- vca_task_list = []
- vca_task_dict = {}
- vca_application_name2index = {}
+ vca_time_destroy = None # time of where destroy charm order
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
return
- # TODO ALF remove
- # db_vim = self.db.get_one("vim_accounts", {"_id": db_nsr["datacenter"]})
# #TODO check if VIM is creating and wait
# RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
self.update_db_2("nsrs", nsr_id, db_nsr_update)
for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
- if vca_deployed: # TODO it would be desirable having a and deploy_info.get("deployed"):
- task = asyncio.ensure_future(
- self.n2vc.RemoveCharms(
- vca_deployed['model'],
- vca_deployed["application"],
- # self.n2vc_callback,
- # db_nsr,
- # db_nslcmop,
- )
- )
- vca_application_name2index[vca_deployed["application"]] = vca_index
- vca_task_list.append(task)
- vca_task_dict[vca_deployed["application"]] = task
- # task.add_done_callback(functools.partial(self.n2vc_callback, vca_deployed['model'],
- # vca_deployed['application'], None, db_nsr,
- # db_nslcmop, vnf_index))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id,
- "delete_charm:" + vca_deployed["application"], task)
+ if vca_deployed:
+ if await self._destroy_charm(vca_deployed['model'], vca_deployed["application"]):
+ vca_deployed.clear()
+ db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
+ else:
+ vca_time_destroy = time()
except Exception as e:
self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))
try:
if RO_nsr_id:
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = "Deleting ns at RO"
+ 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 RO.delete("ns", RO_nsr_id)
RO_delete_action = desc["action_id"]
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={}".format(RO_nsr_id)
+ 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)
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)
- await asyncio.sleep(5, loop=self.loop)
- delete_timeout -= 5
if detailed_status != detailed_status_old:
- detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
+ 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")
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))
failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
self.logger.error(logging_text + failed_detail[-1])
- if vca_task_list:
- db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
+ # wait until charm deleted
+ if vca_time_destroy:
+ db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = step = \
"Waiting for deletion of configuration charms"
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
- await asyncio.wait(vca_task_list, timeout=300)
- for application_name, task in vca_task_dict.items():
- if task.cancelled():
- failed_detail.append("VCA[application_name={}] Deletion has been cancelled"
- .format(application_name))
- elif task.done():
- exc = task.exception()
- if exc:
- failed_detail.append("VCA[application_name={}] Deletion exception: {}"
- .format(application_name, exc))
+ for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
+ if not vca_deployed:
+ continue
+ step = "Waiting for deletion of charm application_name={}".format(vca_deployed["application"])
+ timeout = self.timeout_charm_delete - int(time() - vca_time_destroy)
+ if not await self._wait_charm_destroyed(vca_deployed['model'], vca_deployed["application"],
+ timeout):
+ failed_detail.append("VCA[application_name={}] Deletion timeout".format(
+ vca_deployed["application"]))
else:
- vca_index = vca_application_name2index[application_name]
- db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None
- else: # timeout
- # TODO Should it be cancelled?!!
- task.cancel()
- failed_detail.append("VCA[application_name={}] Deletion timeout".format(application_name))
+ db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
if failed_detail:
self.logger.error(logging_text + " ;".join(failed_detail))
db_nslcmop_update["statusEnteredTime"] = time()
elif db_nslcmop["operationParams"].get("autoremove"):
self.db.del_one("nsrs", {"_id": nsr_id})
+ db_nsr = None
db_nsr_update.clear()
self.db.del_list("nslcmops", {"nsInstanceId": nsr_id})
+ db_nslcmop = None
nslcmop_operation_state = "COMPLETED"
db_nslcmop_update.clear()
self.db.del_list("vnfrs", {"nsr-id-ref": nsr_id})
db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ try:
+ if db_nslcmop and db_nslcmop_update:
+ self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+ if db_nsr:
+ db_nsr_update["_admin.nslcmop"] = None
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ except DbException as e:
+ self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ try:
+ if db_nslcmop_update:
+ self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+ if db_nsr:
+ db_nsr_update["_admin.nslcmop"] = None
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ except DbException as e:
+ self.logger.error(logging_text + "Cannot update database: {}".format(e))
self.logger.debug(logging_text + "Exit")
if nslcmop_operation_state:
try:
db_nsr_update["operational-status"] = "failed"
db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
exc)
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ try:
+ if db_nslcmop and db_nslcmop_update:
+ self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+ if db_nsr:
+ db_nsr_update["_admin.nslcmop"] = None
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ except DbException as e:
+ self.logger.error(logging_text + "Cannot update database: {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,