from osm_common.fsbase import FsException
from n2vc.n2vc_juju_conn import N2VCJujuConnector
-from n2vc.exceptions import N2VCException
+from n2vc.exceptions import N2VCException, N2VCNotFound, K8sException
from copy import copy, deepcopy
from http import HTTPStatus
from time import time
from uuid import uuid4
+from functools import partial
__author__ = "Alfonso Tierno"
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):
+ def _ns_params_2_RO(self, ns_params, nsd, vnfd_dict, db_vnfrs, n2vc_key_list):
"""
Creates a RO ns descriptor from OSM ns_instantiate params
:param ns_params: OSM instantiate params
+ :param vnfd_dict: database content of vnfds, indexed by id (not _id). {id: {vnfd_object}, ...}
+ :param db_vnfrs: database content of vnfrs, indexed by member-vnf-index. {member-vnf-index: {vnfr_object}, ...}
:return: The RO ns descriptor
"""
vim_2_RO = {}
"wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
# "scenario": ns_params["nsdId"],
}
+ # set vim_account of each vnf if different from general vim_account.
+ # Get this information from <vnfr> database content, key vim-account-id
+ # Vim account can be set by placement_engine and it may be different from
+ # the instantiate parameters (vnfs.member-vnf-index.datacenter).
+ for vnf_index, vnfr in db_vnfrs.items():
+ if vnfr.get("vim-account-id") and vnfr["vim-account-id"] != ns_params["vimAccountId"]:
+ populate_dict(RO_ns_params, ("vnfs", vnf_index, "datacenter"), vim_account_2_RO(vnfr["vim-account-id"]))
n2vc_key_list = n2vc_key_list or []
for vnfd_ref, vnfd in vnfd_dict.items():
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
async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref,
n2vc_key_list, stage):
+ """
+ Instantiate at RO
+ :param logging_text: preffix text to use at logging
+ :param nsr_id: nsr identity
+ :param nsd: database content of ns descriptor
+ :param db_nsr: database content of ns record
+ :param db_nslcmop: database content of ns operation, in this case, 'instantiate'
+ :param db_vnfrs:
+ :param db_vnfds_ref: database content of vnfds, indexed by id (not _id). {id: {vnfd_object}, ...}
+ :param n2vc_key_list: ssh-public-key list to be inserted to management vdus via cloud-init
+ :param stage: list with 3 items: [general stage, tasks, vim_specific]. This task will write over vim_specific
+ :return: None or exception
+ """
try:
db_nsr_update = {}
RO_descriptor_number = 0 # number of descriptors created at RO
# Check for and optionally request placement optimization. Database will be updated if placement activated
stage[2] = "Waiting for Placement."
- await self.do_placement(logging_text, db_nslcmop, db_vnfrs)
+ if await self._do_placement(logging_text, db_nslcmop, db_vnfrs):
+ # in case of placement change ns_params[vimAcountId) if not present at any vnfrs
+ for vnfr in db_vnfrs.values():
+ if ns_params["vimAccountId"] == vnfr["vim-account-id"]:
+ break
+ else:
+ ns_params["vimAccountId"] == vnfr["vim-account-id"]
# deploy RO
-
# get vnfds, instantiate at RO
for c_vnf in nsd.get("constituent-vnfd", ()):
member_vnf_index = c_vnf["member-vnf-index"]
await asyncio.wait(task_dependency, timeout=3600)
stage[2] = "Checking instantiation parameters."
- RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
+ RO_ns_params = self._ns_params_2_RO(ns_params, nsd, db_vnfds_ref, db_vnfrs, n2vc_key_list)
stage[2] = "Deploying ns at VIM."
db_nsr_update["detailed-status"] = " ".join(stage)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
element_under_configuration = kdu_name
# Get artifact path
- self.fs.sync() # Sync from FSMongo
artifact_path = "{}/{}/charms/{}".format(
base_folder["folder"],
base_folder["pkg-dir"],
self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
.format(status, nsr_id, vca_index, e))
- async def do_placement(self, logging_text, db_nslcmop, db_vnfrs):
+ async def _do_placement(self, logging_text, db_nslcmop, db_vnfrs):
+ """
+ Check and computes the placement, (vim account where to deploy). If it is decided by an external tool, it
+ sends the request via kafka and wait until the result is wrote at database (nslcmops _admin.plca).
+ Database is used because the result can be obtained from a different LCM worker in case of HA.
+ :param logging_text: contains the prefix for logging, with the ns and nslcmop identifiers
+ :param db_nslcmop: database content of nslcmop
+ :param db_vnfrs: database content of vnfrs, indexed by member-vnf-index.
+ :return: True if some modification is done. Modifies database vnfrs and parameter db_vnfr with the
+ computed 'vim-account-id'
+ """
+ modified = False
+ nslcmop_id = db_nslcmop['_id']
placement_engine = deep_get(db_nslcmop, ('operationParams', 'placement-engine'))
if placement_engine == "PLA":
- self.logger.debug(logging_text + "Invoke placement optimization for nslcmopId={}".format(db_nslcmop['id']))
- await self.msg.aiowrite("pla", "get_placement", {'nslcmopId': db_nslcmop['_id']}, loop=self.loop)
+ self.logger.debug(logging_text + "Invoke and wait for placement optimization")
+ await self.msg.aiowrite("pla", "get_placement", {'nslcmopId': nslcmop_id}, loop=self.loop)
db_poll_interval = 5
- wait = db_poll_interval * 4
+ wait = db_poll_interval * 10
pla_result = None
while not pla_result and wait >= 0:
await asyncio.sleep(db_poll_interval)
wait -= db_poll_interval
- db_nslcmop = self.db.get_one("nslcmops", {"_id": db_nslcmop["_id"]})
+ db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
pla_result = deep_get(db_nslcmop, ('_admin', 'pla'))
if not pla_result:
- raise LcmException("Placement timeout for nslcmopId={}".format(db_nslcmop['id']))
+ raise LcmException("Placement timeout for nslcmopId={}".format(nslcmop_id))
for pla_vnf in pla_result['vnf']:
vnfr = db_vnfrs.get(pla_vnf['member-vnf-index'])
if not pla_vnf.get('vimAccountId') or not vnfr:
continue
+ modified = True
self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, {"vim-account-id": pla_vnf['vimAccountId']})
- return
+ # Modifies db_vnfrs
+ vnfr["vim-account-id"] = pla_vnf['vimAccountId']
+ return modified
def update_nsrs_with_pla_result(self, params):
try:
logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
+ # Sync from FSMongo
+ self.fs.sync()
+
# get all needed from database
# database nsrs record
error_detail=error_detail,
other_update=db_nsr_update
)
- if db_nslcmop:
- self._write_op_status(
- op_id=nslcmop_id,
- stage="",
- error_message=error_description_nslcmop,
- operation_state=nslcmop_operation_state,
- other_update=db_nslcmop_update,
- )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
if nslcmop_operation_state:
try:
self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
return False
+ def _write_db_callback(self, task, item, _id, on_done=None, on_exc=None):
+ """
+ callback for kdu install intended to store the returned kdu_instance at database
+ :return: None
+ """
+ db_update = {}
+ try:
+ result = task.result()
+ if on_done:
+ db_update[on_done] = str(result)
+ except Exception as e:
+ if on_exc:
+ db_update[on_exc] = str(e)
+ if db_update:
+ try:
+ self.update_db_2(item, _id, db_update)
+ except Exception:
+ pass
+
async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
# Launch kdus if present in the descriptor
for kdur in get_iterable(vnfr_data, "kdur"):
desc_params = self._format_additional_params(kdur.get("additionalParams"))
vnfd_id = vnfr_data.get('vnfd-id')
+ namespace = kdur.get("k8s-namespace")
if kdur.get("helm-chart"):
kdumodel = kdur["helm-chart"]
k8sclustertype = "helm-chart"
"k8scluster-type": k8sclustertype,
"member-vnf-index": vnfr_data["member-vnf-index-ref"],
"kdu-name": kdur["kdu-name"],
- "kdu-model": kdumodel}
- db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
+ "kdu-model": kdumodel,
+ "namespace": namespace}
+ db_path = "_admin.deployed.K8s.{}".format(index)
+ db_nsr_update[db_path] = k8s_instace_info
self.update_db_2("nsrs", nsr_id, db_nsr_update)
db_dict = {"collection": "nsrs",
"filter": {"_id": nsr_id},
- "path": "_admin.deployed.K8s.{}".format(index)}
+ "path": db_path}
task = asyncio.ensure_future(
self.k8scluster_map[k8sclustertype].install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
atomic=True, params=desc_params,
db_dict=db_dict, timeout=600,
- kdu_name=kdur["kdu-name"]))
+ kdu_name=kdur["kdu-name"], namespace=namespace))
+ task.add_done_callback(partial(self._write_db_callback, item="nsrs", _id=nsr_id,
+ on_done=db_path + ".kdu-instance",
+ on_exc=db_path + ".detailed-status"))
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDU-{}".format(index), task)
task_instantiation_info[task] = "Deploying KDU {}".format(kdur["kdu-name"])
async def _delete_all_N2VC(self, db_nsr: dict):
self._write_all_config_status(db_nsr=db_nsr, status='TERMINATING')
namespace = "." + db_nsr["_id"]
- await self.n2vc.delete_namespace(namespace=namespace, total_timeout=self.timeout_charm_delete)
+ try:
+ await self.n2vc.delete_namespace(namespace=namespace, total_timeout=self.timeout_charm_delete)
+ except N2VCNotFound: # already deleted. Skip
+ pass
self._write_all_config_status(db_nsr=db_nsr, status='DELETED')
async def _terminate_RO(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
timeout_ns_terminate = self.timeout_ns_terminate
db_nsr = None
db_nslcmop = None
+ operation_params = None
exc = None
error_list = [] # annotates all failed error messages
db_nslcmop_update = {}
# remove All execution environments at once
stage[0] = "Stage 3/3 delete all."
- stage[1] = "Deleting all execution environments."
- self.logger.debug(logging_text + stage[1])
- task_delete_ee = asyncio.ensure_future(asyncio.wait_for(self._delete_all_N2VC(db_nsr=db_nsr),
- timeout=self.timeout_charm_delete))
- # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
- tasks_dict_info[task_delete_ee] = "Terminating all VCA"
+ if nsr_deployed.get("VCA"):
+ stage[1] = "Deleting all execution environments."
+ self.logger.debug(logging_text + stage[1])
+ task_delete_ee = asyncio.ensure_future(asyncio.wait_for(self._delete_all_N2VC(db_nsr=db_nsr),
+ timeout=self.timeout_charm_delete))
+ # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
+ tasks_dict_info[task_delete_ee] = "Terminating all VCA"
# Delete from k8scluster
stage[1] = "Deleting KDUs."
error_detail=error_detail,
other_update=db_nsr_update
)
- if db_nslcmop:
- self._write_op_status(
- op_id=nslcmop_id,
- stage="",
- error_message=error_description_nslcmop,
- operation_state=nslcmop_operation_state,
- other_update=db_nslcmop_update,
- )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
+ if operation_params:
autoremove = operation_params.get("autoremove", False)
if nslcmop_operation_state:
try:
new_error = created_tasks_info[task] + ": {}".format(exc)
error_list.append(created_tasks_info[task])
error_detail_list.append(new_error)
- if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException)):
+ if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException,
+ K8sException)):
self.logger.error(logging_text + new_error)
else:
exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
else:
desc_params = self._format_additional_params(db_nsr.get("additionalParamsForNs"))
+ if kdu_name:
+ kdu_action = True if not deep_get(kdu, ("kdu-configuration", "juju")) else False
+
# TODO check if ns is in a proper status
- if kdu_name and primitive in ("upgrade", "rollback", "status"):
+ if kdu_name and (primitive in ("upgrade", "rollback", "status") or kdu_action):
# kdur and desc_params already set from before
if primitive_params:
desc_params.update(primitive_params)
cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu.get("kdu-instance")),
timeout=timeout_ns_action)
+ else:
+ kdu_instance = kdu.get("kdu-instance") or "{}-{}".format(kdu["kdu-name"], nsr_id)
+ params = self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)
+
+ detailed_status = await asyncio.wait_for(
+ self.k8scluster_map[kdu["k8scluster-type"]].exec_primitive(
+ cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu_instance,
+ primitive_name=primitive,
+ params=params, db_dict=db_dict,
+ timeout=timeout_ns_action),
+ timeout=timeout_ns_action)
if detailed_status:
nslcmop_operation_state = 'COMPLETED'
else:
detailed_status = ''
nslcmop_operation_state = 'FAILED'
-
else:
nslcmop_operation_state, detailed_status = await self._ns_execute_primitive(
self._look_for_deployed_vca(nsr_deployed["VCA"],
detailed_status))
return # database update is called inside finally
- except (DbException, LcmException, N2VCException) as e:
+ except (DbException, LcmException, N2VCException, K8sException) as e:
self.logger.error(logging_text + "Exit Exception {}".format(e))
exc = e
except asyncio.CancelledError:
other_update=db_nsr_update
)
- if db_nslcmop:
- self._write_op_status(
- op_id=nslcmop_id,
- stage="",
- error_message=error_description_nslcmop,
- operation_state=nslcmop_operation_state,
- other_update=db_nslcmop_update,
- )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
if nslcmop_operation_state:
try:
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
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()
+ db_nslcmop_update["detailed-status"] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
+ nslcmop_operation_state = "FAILED"
if db_nsr:
db_nsr_update["operational-status"] = old_operational_status
db_nsr_update["config-status"] = old_config_status
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:
- self._write_ns_status(
- nsr_id=nsr_id,
- ns_state=None,
- current_operation="IDLE",
- current_operation_id=None,
- other_update=db_nsr_update
- )
+ else:
+ error_description_nslcmop = None
+ nslcmop_operation_state = "COMPLETED"
+ db_nslcmop_update["detailed-status"] = "Done"
+
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="IDLE",
+ current_operation_id=None,
+ other_update=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,
projects / osm / LCM.git / blobdiff