import yaml
import logging
import logging.handlers
-import functools
import traceback
+import json
from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
-import ROclient
-from lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
+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.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist
+
+from n2vc.n2vc_juju_conn import N2VCJujuConnector
+from n2vc.exceptions import N2VCException
from copy import copy, deepcopy
from http import HTTPStatus
__author__ = "Alfonso Tierno"
-def get_iterable(in_dict, in_key):
- """
- Similar to <dict>.get(), but if value is None, False, ..., An empty tuple is returned instead
- :param in_dict: a dictionary
- :param in_key: the key to look for at in_dict
- :return: in_dict[in_var] or () if it is None or not present
- """
- if not in_dict.get(in_key):
- return ()
- return in_dict[in_key]
-
-
-def populate_dict(target_dict, key_list, value):
- """
- Upate target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
- Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}}
- :param target_dict: dictionary to be changed
- :param key_list: list of keys to insert at target_dict
- :param value:
- :return: None
- """
- for key in key_list[0:-1]:
- if key not in target_dict:
- target_dict[key] = {}
- target_dict = target_dict[key]
- target_dict[key_list[-1]] = value
-
-
class NsLcm(LcmBase):
timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed
- total_deploy_timeout = 2 * 3600 # global timeout for deployment
+ timeout_ns_deploy = 2 * 3600 # default global timeout for deployment a ns
+ timeout_ns_terminate = 1800 # default global timeout for un deployment a ns
timeout_charm_delete = 10 * 60
timeout_primitive = 10 * 60 # timeout for primitive execution
+ timeout_progress_primitive = 2 * 60 # timeout for some progress in a primitive execution
+
+ SUBOPERATION_STATUS_NOT_FOUND = -1
+ SUBOPERATION_STATUS_NEW = -2
+ SUBOPERATION_STATUS_SKIP = -3
+ task_name_deploy_vca = "Deploying VCA"
- def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop):
+ 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
"""
- # logging
- self.logger = logging.getLogger('lcm.ns')
+ 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
+ )
- super().__init__(db, msg, fs, self.logger)
-
- self.ro_config = ro_config
+ 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.n2vc = N2VC(
+ self.k8sclusterjuju = K8sJujuConnector(
+ kubectl_command=self.vca_config.get("kubectlpath"),
+ juju_command=self.vca_config.get("jujupath"),
+ fs=self.fs,
log=self.logger,
- server=vca_config['host'],
- port=vca_config['port'],
- user=vca_config['user'],
- secret=vca_config['secret'],
- # TODO: This should point to the base folder where charms are stored,
- # if there is a common one (like object storage). Otherwise, leave
- # it unset and pass it via DeployCharms
- # artifacts=vca_config[''],
- artifacts=None,
- juju_public_key=vca_config.get('pubkey'),
- ca_cert=vca_config.get('cacert'),
+ db=self.db,
+ on_update_db=None,
)
+ self.k8scluster_map = {
+ "helm-chart": self.k8sclusterhelm,
+ "chart": self.k8sclusterhelm,
+ "juju-bundle": self.k8sclusterjuju,
+ "juju": self.k8sclusterjuju,
+ }
+ # 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
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
raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
format(vnfd["id"], vdu["id"], e))
- def n2vc_callback(self, model_name, application_name, status, message, n2vc_info, task=None):
- """
- Callback both for charm status change and task completion
- :param model_name: Charm model name
- :param application_name: Charm application name
- :param status: Can be
- - blocked: The unit needs manual intervention
- - maintenance: The unit is actively deploying/configuring
- - waiting: The unit is waiting for another charm to be ready
- - active: The unit is deployed, configured, and ready
- - error: The charm has failed and needs attention.
- - terminated: The charm has been destroyed
- - removing,
- - removed
- :param message: detailed message error
- :param n2vc_info: dictionary with information shared with instantiate task. It contains:
- nsr_id:
- nslcmop_id:
- lcmOperationType: currently "instantiate"
- deployed: dictionary with {<application>: {operational-status: <status>, detailed-status: <text>}}
- db_update: dictionary to be filled with the changes to be wrote to database with format key.key.key: value
- n2vc_event: event used to notify instantiation task that some change has been produced
- :param task: None for charm status change, or task for completion task callback
- :return:
- """
- try:
- nsr_id = n2vc_info["nsr_id"]
- deployed = n2vc_info["deployed"]
- db_nsr_update = n2vc_info["db_update"]
- nslcmop_id = n2vc_info["nslcmop_id"]
- ns_operation = n2vc_info["lcmOperationType"]
- n2vc_event = n2vc_info["n2vc_event"]
- logging_text = "Task ns={} {}={} [n2vc_callback] application={}".format(nsr_id, ns_operation, nslcmop_id,
- application_name)
- for vca_index, vca_deployed in enumerate(deployed):
- if not vca_deployed:
- continue
- if model_name == vca_deployed["model"] and application_name == vca_deployed["application"]:
- break
- else:
- self.logger.error(logging_text + " Not present at nsr._admin.deployed.VCA. Received model_name={}".
- format(model_name))
- return
- if task:
- if task.cancelled():
- self.logger.debug(logging_text + " task Cancelled")
- vca_deployed['operational-status'] = "error"
- db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error"
- vca_deployed['detailed-status'] = "Task Cancelled"
- db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = "Task Cancelled"
-
- elif task.done():
- exc = task.exception()
- if exc:
- self.logger.error(logging_text + " task Exception={}".format(exc))
- vca_deployed['operational-status'] = "error"
- db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error"
- vca_deployed['detailed-status'] = str(exc)
- db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(exc)
- else:
- self.logger.debug(logging_text + " task Done")
- # task is Done, but callback is still ongoing. So ignore
- return
- elif status:
- self.logger.debug(logging_text + " Enter status={} message={}".format(status, message))
- if vca_deployed['operational-status'] == status:
- return # same status, ignore
- vca_deployed['operational-status'] = status
- db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = status
- vca_deployed['detailed-status'] = str(message)
- db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(message)
- else:
- self.logger.critical(logging_text + " Enter with bad parameters", exc_info=True)
- return
- # wake up instantiate task
- n2vc_event.set()
- except Exception as e:
- self.logger.critical(logging_text + " Exception {}".format(e), exc_info=True)
-
def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list):
"""
Creates a RO ns descriptor from OSM ns_instantiate params
"wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
# "scenario": ns_params["nsdId"],
}
- if n2vc_key_list:
- for vnfd_ref, vnfd in vnfd_dict.items():
- vdu_needed_access = []
- mgmt_cp = None
- if vnfd.get("vnf-configuration"):
- if vnfd.get("mgmt-interface"):
- if vnfd["mgmt-interface"].get("vdu-id"):
- vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
- elif vnfd["mgmt-interface"].get("cp"):
- mgmt_cp = vnfd["mgmt-interface"]["cp"]
-
- for vdu in vnfd.get("vdu", ()):
- if vdu.get("vdu-configuration"):
+
+ 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
+ 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 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"]
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
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"])),
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):
if isinstance(vld_params["ns-net"], dict):
for vld_id, instance_scenario_id in vld_params["ns-net"].items():
RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id}
- if RO_vld_ns_net:
- populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net)
+ 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
else:
raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
+ def set_vnfr_at_error(self, db_vnfrs, error_text):
+ try:
+ for db_vnfr in db_vnfrs.values():
+ vnfr_update = {"status": "ERROR"}
+ for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
+ if "status" not in vdur:
+ vdur["status"] = "ERROR"
+ vnfr_update["vdur.{}.status".format(vdu_index)] = "ERROR"
+ if error_text:
+ vdur["status-detailed"] = str(error_text)
+ vnfr_update["vdur.{}.status-detailed".format(vdu_index)] = "ERROR"
+ self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
+ except DbException as e:
+ self.logger.error("Cannot update vnf. {}".format(e))
+
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
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))
+ if db_vnfr.get("vdur"): # if not VDUs, there is not 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
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
- "at RO info".format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
+ "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={} at "
- "RO info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
+ 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"):
vnfr_update["vld.{}".format(vld_index)] = vld
break
else:
- raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} at RO info".format(
+ 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={} at RO info".format(vnf_index))
+ raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
- async def instantiate(self, nsr_id, nslcmop_id):
- logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
- self.logger.debug(logging_text + "Enter")
- # get all needed from database
- start_deploy = time()
- db_nsr = None
- db_nslcmop = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
- db_nslcmop_update = {}
- nslcmop_operation_state = None
- db_vnfrs = {}
- RO_descriptor_number = 0 # number of descriptors created at RO
- vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO
- n2vc_info = {}
- n2vc_key_list = [] # list of public keys to be injected as authorized to VMs
- exc = None
- try:
- step = "Getting nslcmop={} from db".format(nslcmop_id)
- db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
- step = "Getting nsr={} from db".format(nsr_id)
- db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
- ns_params = db_nslcmop.get("operationParams")
- nsd = db_nsr["nsd"]
- nsr_name = db_nsr["name"] # TODO short-name??
-
- # look if previous tasks in process
- task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id)
- if task_dependency:
- step = db_nslcmop_update["detailed-status"] = \
- "Waiting for related tasks to be completed: {}".format(task_name)
- self.logger.debug(logging_text + step)
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- _, pending = await asyncio.wait(task_dependency, timeout=3600)
- if pending:
- raise LcmException("Timeout waiting related tasks to be completed")
-
- step = "Getting vnfrs from db"
- db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
- db_vnfds_ref = {}
- db_vnfds = {}
- db_vnfds_index = {}
- for vnfr in db_vnfrs_list:
- db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
- vnfd_id = vnfr["vnfd-id"]
- vnfd_ref = vnfr["vnfd-ref"]
- if vnfd_id not in db_vnfds:
- step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
- vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
- db_vnfds_ref[vnfd_ref] = vnfd
- db_vnfds[vnfd_id] = vnfd
- db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]
-
- # Get or generates the _admin.deployed,VCA list
- vca_deployed_list = None
- vca_model_name = None
- if db_nsr["_admin"].get("deployed"):
- vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
- vca_model_name = db_nsr["_admin"]["deployed"].get("VCA-model-name")
- if vca_deployed_list is None:
- vca_deployed_list = []
- db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
- populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
- elif isinstance(vca_deployed_list, dict):
- # maintain backward compatibility. Change a dict to list at database
- vca_deployed_list = list(vca_deployed_list.values())
- db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
- populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
-
- db_nsr_update["detailed-status"] = "creating"
- db_nsr_update["operational-status"] = "init"
- if not db_nsr["_admin"].get("deployed") or not db_nsr["_admin"]["deployed"].get("RO") or \
- not db_nsr["_admin"]["deployed"]["RO"].get("vnfd"):
- populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
- db_nsr_update["_admin.deployed.RO.vnfd"] = []
-
- # set state to INSTANTIATED. When instantiated NBI will not delete directly
- db_nsr_update["_admin.nsState"] = "INSTANTIATED"
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
- # Deploy charms
- # The parameters we'll need to deploy a charm
- number_to_configure = 0
-
- def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, charm_params, n2vc_info, native_charm=False):
- """An inner function to deploy the charm from either ns, vnf or vdu
- For ns both vnf_index and vdu_id are None.
- For vnf only vdu_id is None
- For vdu both vnf_index and vdu_id contain a value
- """
- # if not charm_params.get("rw_mgmt_ip") and vnf_index: # if NS skip mgmt_ip checking
- # raise LcmException("ns/vnfd/vdu has not management ip address to configure it")
-
- machine_spec = {}
- if native_charm:
- machine_spec["username"] = charm_params.get("username"),
- machine_spec["hostname"] = charm_params.get("rw_mgmt_ip")
-
- # Note: The charm needs to exist on disk at the location
- # specified by charm_path.
- descriptor = vnfd if vnf_index else nsd
- base_folder = descriptor["_admin"]["storage"]
- storage_params = self.fs.get_params()
- charm_path = "{}{}/{}/charms/{}".format(
- storage_params["path"],
- base_folder["folder"],
- base_folder["pkg-dir"],
- proxy_charm
- )
-
- # ns_name will be ignored in the current version of N2VC
- # but will be implemented for the next point release.
- model_name = nsr_id
- vdu_id_text = (str(vdu_id) if vdu_id else "") + "-"
- vnf_index_text = (str(vnf_index) if vnf_index else "") + "-"
- application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index_text, vdu_id_text)
-
- vca_index = len(vca_deployed_list)
- # trunk name and add two char index at the end to ensure that it is unique. It is assumed no more than
- # 26*26 charm in the same NS
- application_name = application_name[0:48]
- application_name += chr(97 + vca_index // 26) + chr(97 + vca_index % 26)
- vca_deployed_ = {
- "member-vnf-index": vnf_index,
- "vdu_id": vdu_id,
- "model": model_name,
- "application": application_name,
- "operational-status": "init",
- "detailed-status": "",
- "step": "initial-deploy",
- "vnfd_id": vnfd_id,
- "vdu_name": vdu_name,
- "vdu_count_index": vdu_count_index,
- }
- vca_deployed_list.append(vca_deployed_)
- db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = vca_deployed_
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
- self.logger.debug("Task create_ns={} Passing artifacts path '{}' for {}".format(nsr_id, charm_path,
- proxy_charm))
- if not n2vc_info:
- n2vc_info["nsr_id"] = nsr_id
- n2vc_info["nslcmop_id"] = nslcmop_id
- n2vc_info["n2vc_event"] = asyncio.Event(loop=self.loop)
- n2vc_info["lcmOperationType"] = "instantiate"
- n2vc_info["deployed"] = vca_deployed_list
- n2vc_info["db_update"] = db_nsr_update
- task = asyncio.ensure_future(
- self.n2vc.DeployCharms(
- model_name, # The network service name
- application_name, # The application name
- descriptor, # The vnf/nsd descriptor
- charm_path, # Path to charm
- charm_params, # Runtime params, like mgmt ip
- machine_spec, # for native charms only
- self.n2vc_callback, # Callback for status changes
- n2vc_info, # Callback parameter
- None, # Callback parameter (task)
- )
- )
- task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, None,
- n2vc_info))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "create_charm:" + application_name, task)
-
- step = "Looking for needed vnfd to configure with proxy charm"
- self.logger.debug(logging_text + step)
-
- for c_vnf in get_iterable(nsd, "constituent-vnfd"):
- vnfd_id = c_vnf["vnfd-id-ref"]
- vnf_index = str(c_vnf["member-vnf-index"])
- vnfd = db_vnfds_ref[vnfd_id]
-
- # Get additional parameters
- vnfr_params = {}
- if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
- vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
- for k, v in vnfr_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- vnfr_params[k] = yaml.safe_load(v[7:])
-
- step = "deploying proxy charms for configuration"
- # Check if this VNF has a charm configuration
- vnf_config = vnfd.get("vnf-configuration")
- if vnf_config and vnf_config.get("juju"):
- proxy_charm = vnf_config["juju"]["charm"]
- if vnf_config["juju"].get("proxy") is False:
- # native_charm, will be deployed after VM. Skip
- proxy_charm = None
-
- if proxy_charm:
- if not vca_model_name:
- step = "creating VCA model name '{}'".format(nsr_id)
- self.logger.debug(logging_text + step)
- await self.n2vc.CreateNetworkService(nsr_id)
- vca_model_name = nsr_id
- db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- step = "deploying proxy charm to configure vnf {}".format(vnf_index)
- vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
- charm_params = {
- "user_values": vnfr_params,
- "rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"],
- "initial-config-primitive": {} # vnf_config.get('initial-config-primitive') or {}
- }
-
- # Login to the VCA. If there are multiple calls to login(),
- # subsequent calls will be a nop and return immediately.
- await self.n2vc.login()
-
- deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info)
- number_to_configure += 1
-
- # Deploy charms for each VDU that supports one.
- for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
- vdu_config = vdu.get('vdu-configuration')
- proxy_charm = None
-
- if vdu_config and vdu_config.get("juju"):
- proxy_charm = vdu_config["juju"]["charm"]
- if vdu_config["juju"].get("proxy") is False:
- # native_charm, will be deployed after VM. Skip
- proxy_charm = None
-
- if proxy_charm:
- if not vca_model_name:
- step = "creating VCA model name"
- await self.n2vc.CreateNetworkService(nsr_id)
- vca_model_name = nsr_id
- db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- step = "deploying proxy charm to configure member_vnf_index={} vdu={}".format(vnf_index,
- vdu["id"])
- await self.n2vc.login()
- vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
- # TODO for the moment only first vdu_id contains a charm deployed
- if vdur["vdu-id-ref"] != vdu["id"]:
- raise LcmException("Mismatch vdur {}, vdu {} at index {} for member_vnf_index={}"
- .format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
- vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
- charm_params = {
- "user_values": vnfr_params,
- "rw_mgmt_ip": vdur["ip-address"],
- "initial-config-primitive": {} # vdu_config.get('initial-config-primitive') or {}
- }
- deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
- charm_params, n2vc_info)
- number_to_configure += 1
-
- # Check if this NS has a charm configuration
+ 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
- ns_config = nsd.get("ns-configuration")
- if ns_config and ns_config.get("juju"):
- proxy_charm = ns_config["juju"]["charm"]
- if ns_config["juju"].get("proxy") is False:
- # native_charm, will be deployed after VM. Skip
- proxy_charm = None
-
- if proxy_charm:
- step = "deploying proxy charm to configure ns"
- # TODO is NS magmt IP address needed?
-
- # Get additional parameters
- additional_params = {}
- if db_nsr.get("additionalParamsForNs"):
- additional_params = db_nsr["additionalParamsForNs"].copy()
- for k, v in additional_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- additional_params[k] = yaml.safe_load(v[7:])
-
- # additional_params["rw_mgmt_ip"] = db_nsr["ip-address"]
- charm_params = {
- "user_values": additional_params,
- # "rw_mgmt_ip": db_nsr["ip-address"],
- "initial-config-primitive": {} # ns_config.get('initial-config-primitive') or {}
- }
-
- # Login to the VCA. If there are multiple calls to login(),
- # subsequent calls will be a nop and return immediately.
- await self.n2vc.login()
- deploy_charm(None, None, None, None, charm_params, n2vc_info)
- number_to_configure += 1
+ @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
- db_nsr_update["operational-status"] = "running"
+ # 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, stage):
+ try:
+ 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
+ nslcmop_id = db_nslcmop["_id"]
+ start_deploy = time()
+ 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)
- # Wait until all charms has reached blocked or active status
- step = "waiting proxy charms to be ready"
- if number_to_configure:
- # wait until all charms are configured.
- # steps are:
- # initial-deploy
- # get-ssh-public-key
- # generate-ssh-key
- # retry-get-ssh-public-key
- # ssh-public-key-obtained
- while time() <= start_deploy + self.total_deploy_timeout:
- if db_nsr_update:
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
-
- all_active = True
- for vca_index, vca_deployed in enumerate(vca_deployed_list):
- database_entry = "_admin.deployed.VCA.{}.".format(vca_index)
- if vca_deployed["step"] == "initial-deploy":
- if vca_deployed["operational-status"] in ("active", "blocked"):
- step = "execute charm primitive get-ssh-public-key for member_vnf_index={} vdu_id={}" \
- .format(vca_deployed["member-vnf-index"],
- vca_deployed["vdu_id"])
- self.logger.debug(logging_text + step)
- primitive_id = await self.n2vc.ExecutePrimitive(
- vca_deployed["model"],
- vca_deployed["application"],
- "get-ssh-public-key",
- None,
- )
- vca_deployed["step"] = db_nsr_update[database_entry + "step"] = "get-ssh-public-key"
- vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
- primitive_id
- db_nsr_update[database_entry + "operational-status"] =\
- vca_deployed["operational-status"]
- elif vca_deployed["step"] in ("get-ssh-public-key", "retry-get-ssh-public-key"):
- primitive_id = vca_deployed["primitive_id"]
- primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"],
- primitive_id)
- if primitive_status in ("completed", "failed"):
- primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"],
- primitive_id)
- vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] = None
- if primitive_status == "completed" and isinstance(primitive_result, dict) and \
- primitive_result.get("pubkey"):
- ssh_public_key = primitive_result.get("pubkey")
- vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\
- "ssh-public-key-obtained"
- vca_deployed["ssh-public-key"] = db_nsr_update[database_entry + "ssh-public-key"] =\
- ssh_public_key
- n2vc_key_list.append(ssh_public_key)
- step = "charm ssh-public-key for member_vnf_index={} vdu_id={} is '{}'".format(
- vca_deployed["member-vnf-index"], vca_deployed["vdu_id"], ssh_public_key)
- self.logger.debug(logging_text + step)
- else: # primitive_status == "failed":
- if vca_deployed["step"] == "get-ssh-public-key":
- step = "execute charm primitive generate-ssh-public-key for member_vnf_index="\
- "{} vdu_id={}".format(vca_deployed["member-vnf-index"],
- vca_deployed["vdu_id"])
- self.logger.debug(logging_text + step)
- vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\
- "generate-ssh-key"
- primitive_id = await self.n2vc.ExecutePrimitive(
- vca_deployed["model"],
- vca_deployed["application"],
- "generate-ssh-key",
- None,
- )
- vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
- primitive_id
- else: # failed for second time
- raise LcmException(
- "error executing primitive get-ssh-public-key: {}".format(primitive_result))
-
- elif vca_deployed["step"] == "generate-ssh-key":
- primitive_id = vca_deployed["primitive_id"]
- primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"],
- primitive_id)
- if primitive_status in ("completed", "failed"):
- primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"],
- primitive_id)
- vca_deployed["primitive_id"] = db_nsr_update[
- database_entry + "primitive_id"] = None
- if primitive_status == "completed":
- step = "execute primitive get-ssh-public-key again for member_vnf_index={} "\
- "vdu_id={}".format(vca_deployed["member-vnf-index"],
- vca_deployed["vdu_id"])
- self.logger.debug(logging_text + step)
- vca_deployed["step"] = db_nsr_update[database_entry + "step"] = \
- "retry-get-ssh-public-key"
- primitive_id = await self.n2vc.ExecutePrimitive(
- vca_deployed["model"],
- vca_deployed["application"],
- "get-ssh-public-key",
- None,
- )
- vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
- primitive_id
-
- else: # primitive_status == "failed":
- raise LcmException("error executing primitive generate-ssh-key: {}"
- .format(primitive_result))
-
- if vca_deployed["step"] != "ssh-public-key-obtained":
- all_active = False
-
- if all_active:
- break
- await asyncio.sleep(5)
- else: # total_deploy_timeout
- raise LcmException("Timeout waiting charm to be initialized for member_vnf_index={} vdu_id={}"
- .format(vca_deployed["member-vnf-index"], vca_deployed["vdu_id"]))
+ # 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)
# deploy RO
- RO = ROclient.ROClient(self.loop, **self.ro_config)
+
# get vnfds, instantiate at RO
for c_vnf in nsd.get("constituent-vnfd", ()):
member_vnf_index = c_vnf["member-vnf-index"]
vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
vnfd_ref = vnfd["id"]
- step = db_nsr_update["detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at RO".format(
- vnfd_ref, member_vnf_index)
- # self.logger.debug(logging_text + step)
+
+ stage[2] = "Creating vnfd='{}' member_vnf_index='{}' at RO".format(vnfd_ref, member_vnf_index)
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+
+ # self.logger.debug(logging_text + stage[2])
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 if present
RO_update = {"member-vnf-index": member_vnf_index}
- vnfd_list = await RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
+ 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={}".
else:
vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
get("additionalParamsForVnf"), nsr_id)
- desc = await RO.create("vnfd", descriptor=vnfd_RO)
+ desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
RO_update["id"] = desc["uuid"]
self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
vnfd_ref, member_vnf_index, desc["uuid"]))
db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update
db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
# create nsd at RO
nsd_ref = nsd["id"]
- step = db_nsr_update["detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
- # self.logger.debug(logging_text + step)
+ stage[2] = "Creating nsd={} at RO".format(nsd_ref)
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+
+ # self.logger.debug(logging_text + stage[2])
RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
RO_descriptor_number += 1
- nsd_list = await RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
+ 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(
member_vnf_index = cp["member-vnf-index-ref"]
cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
- desc = await RO.create("nsd", descriptor=nsd_RO)
+ 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
+ stage[2] = "Creating nsd={} at RO".format(nsd_ref)
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+
# if present use it unless in error status
- RO_nsr_id = db_nsr["_admin"].get("deployed", {}).get("RO", {}).get("nsr_id")
+ RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
if RO_nsr_id:
try:
- step = db_nsr_update["detailed-status"] = "Looking for existing ns at RO"
- # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
- desc = await RO.show("ns", RO_nsr_id)
+ stage[2] = "Looking for existing ns at RO"
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ # self.logger.debug(logging_text + stage[2] + " 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 = RO.check_ns_status(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":
- step = db_nsr_update["detailed-status"] = "Deleting ns at RO. RO_ns_id={}".format(RO_nsr_id)
- self.logger.debug(logging_text + step)
- await RO.delete("ns", RO_nsr_id)
+ stage[2] = "Deleting ns at RO. RO_ns_id={}".format(RO_nsr_id)
+ self.logger.debug(logging_text + stage[2])
+ await self.RO.delete("ns", RO_nsr_id)
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
if not RO_nsr_id:
- step = db_nsr_update["detailed-status"] = "Checking dependencies"
- # self.logger.debug(logging_text + step)
+ stage[2] = "Checking dependencies"
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ # self.logger.debug(logging_text + stage[2])
# 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)
+ stage[2] = "Waiting for related tasks '{}' to be completed".format(task_name)
+ self.logger.debug(logging_text + stage[2])
await asyncio.wait(task_dependency, timeout=3600)
if ns_params.get("vnf"):
for vnf in ns_params["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)
+ stage[2] = "Waiting for related tasks '{}' to be completed.".format(task_name)
+ self.logger.debug(logging_text + stage[2])
await asyncio.wait(task_dependency, timeout=3600)
- step = db_nsr_update["detailed-status"] = "Checking instantiation parameters"
-
- # feature 1429. Add n2vc public key to needed VMs
- n2vc_key = await self.n2vc.GetPublicKey()
- n2vc_key_list.append(n2vc_key)
+ stage[2] = "Checking instantiation parameters."
RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, 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)
+ self._write_op_status(nslcmop_id, stage)
- step = db_nsr_update["detailed-status"] = "Creating ns at RO"
- desc = await RO.create("ns", descriptor=RO_ns_params,
- name=db_nsr["name"],
- scenario=RO_nsd_uuid)
+ 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 ns ready at RO. RO_id={}".format(RO_nsr_id)
+ stage[2] = "Waiting VIM to deploy ns."
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
detailed_status_old = None
- self.logger.debug(logging_text + step)
+ self.logger.debug(logging_text + stage[2] + " RO_ns_id={}".format(RO_nsr_id))
- while time() <= start_deploy + self.total_deploy_timeout:
- desc = await RO.show("ns", RO_nsr_id)
- ns_status, ns_status_info = RO.check_ns_status(desc)
- db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
- if ns_status == "ERROR":
- raise ROclient.ROClientException(ns_status_info)
- elif ns_status == "BUILD":
- detailed_status = ns_status_detailed + "; {}".format(ns_status_info)
- elif ns_status == "ACTIVE":
- step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs"
- try:
- self.ns_update_vnfr(db_vnfrs, desc)
- break
- except LcmExceptionNoMgmtIP:
- pass
- else:
- assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
- if detailed_status != detailed_status_old:
- detailed_status_old = db_nsr_update["detailed-status"] = detailed_status
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- await asyncio.sleep(5, loop=self.loop)
- else: # total_deploy_timeout
+ 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":
+ stage[2] = "VIM: ({})".format(ns_status_info)
+ elif ns_status == "ACTIVE":
+ stage[2] = "Waiting for management IP address reported by the VIM. Updating VNFRs."
+ try:
+ self.ns_update_vnfr(db_vnfrs, desc)
+ break
+ except LcmExceptionNoMgmtIP:
+ pass
+ else:
+ assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
+ if stage[2] != detailed_status_old:
+ detailed_status_old = stage[2]
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ await asyncio.sleep(5, loop=self.loop)
+ else: # timeout_ns_deploy
raise ROclient.ROClientException("Timeout waiting ns to be ready")
- step = "Updating NSR"
+ # Updating NSR
self.ns_update_nsr(db_nsr_update, db_nsr, desc)
- db_nsr_update["operational-status"] = "running"
- db_nsr["detailed-status"] = "Configuring vnfr"
+ db_nsr_update["_admin.deployed.RO.operational-status"] = "running"
+ # db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
+ stage[2] = "Deployed at VIM"
+ db_nsr_update["detailed-status"] = " ".join(stage)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ # await self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
+ # self.logger.debug(logging_text + "Deployed at VIM")
+ except (ROclient.ROClientException, LcmException, DbException) as e:
+ stage[2] = "ERROR deploying at VIM"
+ self.set_vnfr_at_error(db_vnfrs, str(e))
+ raise
+
+ 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
+ """
- # Configure proxy charms once VMs are up
- for vca_index, vca_deployed in enumerate(vca_deployed_list):
- vnf_index = vca_deployed.get("member-vnf-index")
- vdu_id = vca_deployed.get("vdu_id")
- vdu_name = None
- vdu_count_index = None
-
- step = "executing proxy charm initial primitives for member_vnf_index={} vdu_id={}".format(vnf_index,
- vdu_id)
- add_params = {}
- initial_config_primitive_list = []
- if vnf_index:
- if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
- add_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
- vnfd = db_vnfds_index[vnf_index]
-
- if vdu_id:
- for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
- if vdu["id"] == vdu_id:
- initial_config_primitive_list = vdu['vdu-configuration'].get(
- 'initial-config-primitive', ())
- break
- else:
- raise LcmException("Not found vdu_id={} at vnfd:vdu".format(vdu_id))
- vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
- # TODO for the moment only first vdu_id contains a charm deployed
- if vdur["vdu-id-ref"] != vdu["id"]:
- raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}"
- .format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
- add_params["rw_mgmt_ip"] = vdur["ip-address"]
- else:
- add_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
- initial_config_primitive_list = vnfd["vnf-configuration"].get('initial-config-primitive', ())
- else:
- if db_nsr.get("additionalParamsForNs"):
- add_params = db_nsr["additionalParamsForNs"].copy()
- for k, v in add_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- add_params[k] = yaml.safe_load(v[7:])
- add_params["rw_mgmt_ip"] = None
-
- # add primitive verify-ssh-credentials to the list after config only when is a vnf or vdu charm
- initial_config_primitive_list = initial_config_primitive_list.copy()
- if initial_config_primitive_list and vnf_index:
- initial_config_primitive_list.insert(1, {"name": "verify-ssh-credentials", "paramter": []})
-
- for initial_config_primitive in initial_config_primitive_list:
- primitive_result, primitive_detail = await self._ns_execute_primitive(
- db_nsr["_admin"]["deployed"], vnf_index, vdu_id, vdu_name, vdu_count_index,
- initial_config_primitive["name"],
- self._map_primitive_params(initial_config_primitive, {}, add_params))
- if primitive_result != "COMPLETED":
- raise LcmException("charm error executing primitive {} for member_vnf_index={} vdu_id={}: '{}'"
- .format(initial_config_primitive["name"], vca_deployed["member-vnf-index"],
- vca_deployed["vdu_id"], primitive_detail))
-
- # Deploy native charms
- step = "Looking for needed vnfd to configure with native charm"
- self.logger.debug(logging_text + step)
+ # 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
- for c_vnf in get_iterable(nsd, "constituent-vnfd"):
- vnfd_id = c_vnf["vnfd-id-ref"]
- vnf_index = str(c_vnf["member-vnf-index"])
- vnfd = db_vnfds_ref[vnfd_id]
+ while True:
- # Get additional parameters
- vnfr_params = {}
- if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
- vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
- for k, v in vnfr_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- vnfr_params[k] = yaml.safe_load(v[7:])
-
- # Check if this VNF has a charm configuration
- vnf_config = vnfd.get("vnf-configuration")
- if vnf_config and vnf_config.get("juju"):
- native_charm = vnf_config["juju"].get("proxy") is False
-
- if native_charm:
- if not vca_model_name:
- step = "creating VCA model name '{}'".format(nsr_id)
- self.logger.debug(logging_text + step)
- await self.n2vc.CreateNetworkService(nsr_id)
- vca_model_name = nsr_id
- db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- step = "deploying native charm for vnf_member_index={}".format(vnf_index)
- vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
- charm_params = {
- "user_values": vnfr_params,
- "rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"],
- "initial-config-primitive": vnf_config.get('initial-config-primitive') or {},
- }
-
- # get username
- # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
- # merged. Meanwhile let's get username from initial-config-primitive
- if vnf_config.get("initial-config-primitive"):
- for param in vnf_config["initial-config-primitive"][0].get("parameter", ()):
- if param["name"] == "ssh-username":
- charm_params["username"] = param["value"]
- if vnf_config.get("config-access") and vnf_config["config-access"].get("ssh-access"):
- if vnf_config["config-access"]["ssh-access"].get("required"):
- charm_params["username"] = vnf_config["config-access"]["ssh-access"].get("default-user")
-
- # Login to the VCA. If there are multiple calls to login(),
- # subsequent calls will be a nop and return immediately.
- await self.n2vc.login()
-
- deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info, native_charm)
- number_to_configure += 1
+ ro_retries += 1
+ if ro_retries >= 360: # 1 hour
+ raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
- # Deploy charms for each VDU that supports one.
- for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
- vdu_config = vdu.get('vdu-configuration')
- native_charm = False
-
- if vdu_config and vdu_config.get("juju"):
- native_charm = vdu_config["juju"].get("proxy") is False
-
- if native_charm:
- if not vca_model_name:
- step = "creating VCA model name"
- await self.n2vc.CreateNetworkService(nsr_id)
- vca_model_name = nsr_id
- db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- step = "deploying native charm for vnf_member_index={} vdu_id={}".format(vnf_index,
- vdu["id"])
- await self.n2vc.login()
- vdur = db_vnfrs[vnf_index]["vdur"][vdu_index]
- # TODO for the moment only first vdu_id contains a charm deployed
- if vdur["vdu-id-ref"] != vdu["id"]:
- raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}"
- .format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
- vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
- charm_params = {
- "user_values": vnfr_params,
- "rw_mgmt_ip": vdur["ip-address"],
- "initial-config-primitive": vdu_config.get('initial-config-primitive') or {}
- }
-
- # get username
- # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
- # merged. Meanwhile let's get username from initial-config-primitive
- if vdu_config.get("initial-config-primitive"):
- for param in vdu_config["initial-config-primitive"][0].get("parameter", ()):
- if param["name"] == "ssh-username":
- charm_params["username"] = param["value"]
- if vdu_config.get("config-access") and vdu_config["config-access"].get("ssh-access"):
- if vdu_config["config-access"]["ssh-access"].get("required"):
- charm_params["username"] = vdu_config["config-access"]["ssh-access"].get(
- "default-user")
-
- deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
- charm_params, n2vc_info, native_charm)
- number_to_configure += 1
+ await asyncio.sleep(10, loop=self.loop)
- # Check if this NS has a charm configuration
+ # get ip address
+ if not target_vdu_id:
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
- ns_config = nsd.get("ns-configuration")
- if ns_config and ns_config.get("juju"):
- native_charm = ns_config["juju"].get("proxy") is False
-
- if native_charm:
- step = "deploying native charm to configure ns"
- # TODO is NS magmt IP address needed?
-
- # Get additional parameters
- additional_params = {}
- if db_nsr.get("additionalParamsForNs"):
- additional_params = db_nsr["additionalParamsForNs"].copy()
- for k, v in additional_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- additional_params[k] = yaml.safe_load(v[7:])
-
- # additional_params["rw_mgmt_ip"] = db_nsr["ip-address"]
- charm_params = {
- "user_values": additional_params,
- "rw_mgmt_ip": db_nsr.get("ip-address"),
- "initial-config-primitive": ns_config.get('initial-config-primitive') or {}
- }
-
- # get username
- # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
- # merged. Meanwhile let's get username from initial-config-primitive
- if ns_config.get("initial-config-primitive"):
- for param in ns_config["initial-config-primitive"][0].get("parameter", ()):
- if param["name"] == "ssh-username":
- charm_params["username"] = param["value"]
- if ns_config.get("config-access") and ns_config["config-access"].get("ssh-access"):
- if ns_config["config-access"]["ssh-access"].get("required"):
- charm_params["username"] = ns_config["config-access"]["ssh-access"].get("default-user")
-
- # Login to the VCA. If there are multiple calls to login(),
- # subsequent calls will be a nop and return immediately.
- await self.n2vc.login()
- deploy_charm(None, None, None, None, charm_params, n2vc_info, native_charm)
- number_to_configure += 1
-
- # waiting all charms are ok
- configuration_failed = False
- if number_to_configure:
- old_status = "configuring: init: {}".format(number_to_configure)
- db_nsr_update["config-status"] = old_status
- db_nsr_update["detailed-status"] = old_status
- db_nslcmop_update["detailed-status"] = old_status
-
- # wait until all are configured.
- while time() <= start_deploy + self.total_deploy_timeout:
- if db_nsr_update:
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- # TODO add a fake task that set n2vc_event after some time
- await n2vc_info["n2vc_event"].wait()
- n2vc_info["n2vc_event"].clear()
- all_active = True
- status_map = {}
- n2vc_error_text = [] # contain text error list. If empty no one is in error status
- now = time()
- for vca_deployed in vca_deployed_list:
- vca_status = vca_deployed["operational-status"]
- if vca_status not in status_map:
- # Initialize it
- status_map[vca_status] = 0
- status_map[vca_status] += 1
-
- if vca_status == "active":
- vca_deployed.pop("time_first_error", None)
- vca_deployed.pop("status_first_error", None)
- continue
+ if not vdu_id: # for the VNF case
+ if db_vnfr.get("status") == "ERROR":
+ raise LcmException("Cannot inject ssh-key because target VNF is in error state")
+ 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 and len(db_vnfr.get("vdur", ())) == 1: # If only one, this should be the target vdu
+ vdur = db_vnfr["vdur"][0]
+ if not vdur:
+ raise LcmException("Not found vnfr_id={}, vdu_id={}, vdu_index={}".format(vnfr_id, vdu_id,
+ vdu_index))
+
+ if vdur.get("pdu-type") or 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")
- all_active = False
- if vca_status in ("error", "blocked"):
- vca_deployed["detailed-status-error"] = vca_deployed["detailed-status"]
- # if not first time in this status error
- if not vca_deployed.get("time_first_error"):
- vca_deployed["time_first_error"] = now
- continue
- if vca_deployed.get("time_first_error") and \
- now <= vca_deployed["time_first_error"] + self.timeout_vca_on_error:
- n2vc_error_text.append("member_vnf_index={} vdu_id={} {}: {}"
- .format(vca_deployed["member-vnf-index"],
- vca_deployed["vdu_id"], vca_status,
- vca_deployed["detailed-status-error"]))
-
- if all_active:
- break
- elif n2vc_error_text:
- db_nsr_update["config-status"] = "failed"
- error_text = "fail configuring " + ";".join(n2vc_error_text)
- db_nsr_update["detailed-status"] = error_text
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED_TEMP"
- db_nslcmop_update["detailed-status"] = error_text
- db_nslcmop_update["statusEnteredTime"] = time()
- configuration_failed = True
- break
- else:
- cs = "configuring: "
- separator = ""
- for status, num in status_map.items():
- cs += separator + "{}: {}".format(status, num)
- separator = ", "
- if old_status != cs:
- db_nsr_update["config-status"] = cs
- db_nsr_update["detailed-status"] = cs
- db_nslcmop_update["detailed-status"] = cs
- old_status = cs
- else: # total_deploy_timeout
- raise LcmException("Timeout waiting ns to be configured")
-
- if not configuration_failed:
- # all is done
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
- db_nslcmop_update["statusEnteredTime"] = time()
- db_nslcmop_update["detailed-status"] = "done"
- db_nsr_update["config-status"] = "configured"
- db_nsr_update["detailed-status"] = "done"
+ if not target_vdu_id:
+ continue
- return
+ # inject public key into machine
+ if pub_key and user:
+ # 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
- except (ROclient.ROClientException, DbException, LcmException) as e:
- self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
- exc = e
- except asyncio.CancelledError:
- self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
- exc = "Operation was cancelled"
- except Exception as e:
- exc = traceback.format_exc()
- self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
- exc_info=True)
- finally:
- if exc:
- if db_nsr:
- db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
- db_nsr_update["operational-status"] = "failed"
- if db_nslcmop:
- db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
- db_nslcmop_update["statusEnteredTime"] = time()
- try:
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- except DbException as e:
- self.logger.error(logging_text + "Cannot update database: {}".format(e))
- if nslcmop_operation_state:
+ # self.logger.debug(logging_text + "Inserting RO key")
+ if vdur.get("pdu-type"):
+ self.logger.error(logging_text + "Cannot inject ssh-ky to a PDU")
+ return ip_address
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")
+ 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
- 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
+ return ip_address
- async def _wait_charm_destroyed(self, model, application, timeout):
+ async def _wait_dependent_n2vc(self, nsr_id, vca_deployed_list, vca_index):
"""
- Wait until charm does not exist
- :param model:
- :param application:
- :param timeout:
- :return: True if not exist, False if timeout
+ Wait until dependent VCA deployments have been finished. NS wait for VNFs and VDUs. VNFs for VDUs
"""
- while True:
- if not await self.n2vc.HasApplication(model, application):
- return True
- if timeout < 0:
- return False
+ 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 -= 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, stage):
+ 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[0] = 'Stage 3/5: running Day-1 primitives for VDU.'
+ elif my_vca.get("member-vnf-index"):
+ # VNF
+ stage[0] = 'Stage 4/5: running Day-1 primitives for VNF.'
+ else:
+ # NS
+ stage[0] = '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
+ )
+
+ check_if_terminated_needed = True
+ 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
+ )
+ # Once some primitive has been exec, check and write at db if it needs to exec terminated primitives
+ if check_if_terminated_needed:
+ if config_descriptor.get('terminate-config-primitive'):
+ self.update_db_2("nsrs", nsr_id, {db_update_entry + "needed_terminate": True})
+ check_if_terminated_needed = False
+
+ # 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"})
+ if not isinstance(e, (DbException, N2VCException, LcmException, asyncio.CancelledError)):
+ self.logger.error("Exception while {} : {}".format(step, e), exc_info=True)
+ self._write_configuration_status(
+ nsr_id=nsr_id,
+ vca_index=vca_index,
+ status='BROKEN'
+ )
+ raise LcmException("{} {}".format(step, e)) from e
+
+ def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
+ error_description: str = None, error_detail: str = None, other_update: dict = None):
+ """
+ Update db_nsr fields.
+ :param nsr_id:
+ :param ns_state:
+ :param current_operation:
+ :param current_operation_id:
+ :param error_description:
+ :param error_detail:
+ :param other_update: Other required changes at database if provided, will be cleared
+ :return:
+ """
+ try:
+ db_dict = other_update or {}
+ db_dict["_admin.nslcmop"] = current_operation_id # for backward compatibility
+ db_dict["_admin.current-operation"] = current_operation_id
+ db_dict["_admin.operation-type"] = current_operation if current_operation != "IDLE" else None
+ db_dict["currentOperation"] = current_operation
+ db_dict["currentOperationID"] = current_operation_id
+ db_dict["errorDescription"] = error_description
+ db_dict["errorDetail"] = error_detail
+
+ if ns_state:
+ db_dict["nsState"] = ns_state
+ self.update_db_2("nsrs", nsr_id, db_dict)
+ except DbException as e:
+ self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
+
+ def _write_op_status(self, op_id: str, stage: list = None, error_message: str = None, queuePosition: int = 0,
+ operation_state: str = None, other_update: dict = None):
+ try:
+ db_dict = other_update or {}
+ db_dict['queuePosition'] = queuePosition
+ if isinstance(stage, list):
+ db_dict['stage'] = stage[0]
+ db_dict['detailed-status'] = " ".join(stage)
+ elif stage is not None:
+ db_dict['stage'] = str(stage)
+
+ if error_message is not None:
+ db_dict['errorMessage'] = error_message
+ if operation_state is not None:
+ db_dict['operationState'] = operation_state
+ db_dict["statusEnteredTime"] = time()
+ self.update_db_2("nslcmops", op_id, db_dict)
+ except DbException 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 DbException 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 DbException as e:
+ 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):
+ 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)
+ db_poll_interval = 5
+ wait = db_poll_interval * 4
+ 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"]})
+ pla_result = deep_get(db_nslcmop, ('_admin', 'pla'))
+
+ if not pla_result:
+ raise LcmException("Placement timeout for nslcmopId={}".format(db_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
+ self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, {"vim-account-id": pla_vnf['vimAccountId']})
+ return
+
+ def update_nsrs_with_pla_result(self, params):
+ try:
+ nslcmop_id = deep_get(params, ('placement', 'nslcmopId'))
+ self.update_db_2("nslcmops", nslcmop_id, {"_admin.pla": params.get('placement')})
+ except Exception as e:
+ self.logger.warn('Update failed for nslcmop_id={}:{}'.format(nslcmop_id, 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 = {}
+ # update operation on nslcmops
+ db_nslcmop_update = {}
+
+ nslcmop_operation_state = None
+ db_vnfrs = {} # vnf's info indexed by member-index
+ # n2vc_info = {}
+ tasks_dict_info = {} # from task to info text
+ exc = None
+ error_list = []
+ stage = ['Stage 1/5: preparation of the environment.', "Waiting for previous operations to terminate.", ""]
+ # ^ stage, step, VIM progress
+ try:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
+
+ # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
+ stage[1] = "Reading from database,"
+ # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
+ db_nsr_update["detailed-status"] = "creating"
+ db_nsr_update["operational-status"] = "init"
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state="BUILDING",
+ current_operation="INSTANTIATING",
+ current_operation_id=nslcmop_id,
+ other_update=db_nsr_update
+ )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage=stage,
+ queuePosition=0
+ )
+
+ # read from db: operation
+ stage[1] = "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
+ stage[1] = "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
+ stage[1] = "Getting vnfrs from db"
+ self.logger.debug(logging_text + stage[1])
+ 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
+
+ # 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
+ stage[1] = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
+ self.logger.debug(logging_text + stage[1])
+ 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)
+
+ 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
+ stage[0] = 'Stage 2/5: deployment of KDUs, VMs and execution environments.'
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage=stage
+ )
+
+ stage[1] = "Deploying KDUs,"
+ # self.logger.debug(logging_text + "Before deploy_kdus")
+ # Call to deploy_kdus in case exists the "vdu:kdu" param
+ await self.deploy_kdus(
+ logging_text=logging_text,
+ nsr_id=nsr_id,
+ nslcmop_id=nslcmop_id,
+ db_vnfrs=db_vnfrs,
+ db_vnfds=db_vnfds,
+ task_instantiation_info=tasks_dict_info,
+ )
+
+ stage[1] = "Getting VCA public key."
+ # 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"])
+
+ stage[1] = "Deploying NS at VIM."
+ 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,
+ stage=stage
+ )
+ )
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
+ tasks_dict_info[task_ro] = "Deploying at VIM"
+
+ # n2vc_redesign STEP 3 to 6 Deploy N2VC
+ stage[1] = "Deploying Execution Environments."
+ self.logger.debug(logging_text + stage[1])
+
+ 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_info=tasks_dict_info,
+ stage=stage
+ )
+
+ # 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_info=tasks_dict_info,
+ stage=stage
+ )
+ 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_info=tasks_dict_info,
+ stage=stage
+ )
+
+ # 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_info=tasks_dict_info,
+ stage=stage
+ )
+
+ # rest of staff will be done at finally
+
+ except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
+ self.logger.error(logging_text + "Exit Exception while '{}': {}".format(stage[1], e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
+ exc = "Operation was cancelled"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
+ finally:
+ if exc:
+ error_list.append(str(exc))
+ try:
+ # wait for pending tasks
+ if tasks_dict_info:
+ stage[1] = "Waiting for instantiate pending tasks."
+ self.logger.debug(logging_text + stage[1])
+ error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_deploy,
+ stage, nslcmop_id, nsr_id=nsr_id)
+ stage[1] = stage[2] = ""
+ except asyncio.CancelledError:
+ error_list.append("Cancelled")
+ # TODO cancel all tasks
+ except Exception as exc:
+ error_list.append(str(exc))
+
+ # update operation-status
+ db_nsr_update["operational-status"] = "running"
+ # let's begin with VCA 'configured' status (later we can change it)
+ db_nsr_update["config-status"] = "configured"
+ for task, task_name in tasks_dict_info.items():
+ if not task.done() or task.cancelled() or task.exception():
+ if task_name.startswith(self.task_name_deploy_vca):
+ # A N2VC task is pending
+ db_nsr_update["config-status"] = "failed"
+ else:
+ # RO or KDU task is pending
+ db_nsr_update["operational-status"] = "failed"
+
+ # update status at database
+ if error_list:
+ error_detail = ". ".join(error_list)
+ self.logger.error(logging_text + error_detail)
+ error_description_nslcmop = 'Stage: {}. Detail: {}'.format(stage[0], error_detail)
+ error_description_nsr = 'Operation: INSTANTIATING.{}, Stage {}'.format(nslcmop_id, stage[0])
+
+ db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
+ db_nslcmop_update["detailed-status"] = error_detail
+ nslcmop_operation_state = "FAILED"
+ ns_state = "BROKEN"
+ else:
+ error_detail = None
+ error_description_nsr = error_description_nslcmop = None
+ ns_state = "READY"
+ db_nsr_update["detailed-status"] = "Done"
+ db_nslcmop_update["detailed-status"] = "Done"
+ nslcmop_operation_state = "COMPLETED"
+
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=ns_state,
+ current_operation="IDLE",
+ current_operation_id=None,
+ error_description=error_description_nsr,
+ 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,
+ )
+
+ 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
- # 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
+
+ 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, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
+ # Launch kdus if present in the descriptor
+
+ 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: "
+ step = ""
+ try:
+ db_nsr_update = {"_admin.deployed.K8s": []}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ index = 0
+ updated_cluster_list = []
+
+ for vnfr_data in db_vnfrs.values():
+ for kdur in get_iterable(vnfr_data, "kdur"):
+ desc_params = self._format_additional_params(kdur.get("additionalParams"))
+ 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 = "helm-chart"
+ elif kdur.get("juju-bundle"):
+ kdumodel = kdur["juju-bundle"]
+ k8sclustertype = "juju-bundle"
+ else:
+ raise LcmException("kdu type for kdu='{}.{}' is neither helm-chart nor "
+ "juju-bundle. Maybe an old NBI version is running".
+ format(vnfr_data["member-vnf-index-ref"], kdur["kdu-name"]))
+ # check if kdumodel is a file and exists
+ try:
+ # path format: /vnfdid/pkkdir/kdumodel
+ filename = '{}/{}/{}s/{}'.format(vnfd_id, pkgdir, k8sclustertype, kdumodel)
+ if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
+ kdumodel = self.fs.path + filename
+ except asyncio.CancelledError:
+ raise
+ except Exception: # it is not a file
+ pass
+
+ k8s_cluster_id = kdur["k8s-cluster"]["id"]
+ step = "Synchronize repos for k8s cluster '{}'".format(k8s_cluster_id)
+ cluster_uuid = _get_cluster_id(k8s_cluster_id, k8sclustertype)
+
+ if k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list:
+ del_repo_list, added_repo_dict = await asyncio.ensure_future(
+ self.k8sclusterhelm.synchronize_repos(cluster_uuid=cluster_uuid))
+ if del_repo_list or added_repo_dict:
+ unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
+ updated = {'_admin.helm_charts_added.' +
+ item: name for item, name in added_repo_dict.items()}
+ self.logger.debug(logging_text + "repos synchronized on k8s cluster '{}' to_delete: {}, "
+ "to_add: {}".format(k8s_cluster_id, del_repo_list,
+ added_repo_dict))
+ self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
+ updated_cluster_list.append(cluster_uuid)
+
+ step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
+ kdur["kdu-name"], k8s_cluster_id)
+
+ k8s_instace_info = {"kdu-instance": None,
+ "k8scluster-uuid": cluster_uuid,
+ "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
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ db_dict = {"collection": "nsrs",
+ "filter": {"_id": nsr_id},
+ "path": "_admin.deployed.K8s.{}".format(index)}
+
+ 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"]))
+
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDU-{}".format(index), task)
+ task_instantiation_info[task] = "Deploying KDU {}".format(kdur["kdu-name"])
+
+ index += 1
+
+ except (LcmException, asyncio.CancelledError):
+ raise
+ except Exception as e:
+ msg = "Exception {} while {}: {}".format(type(e).__name__, step, e)
+ if isinstance(e, (N2VCException, DbException)):
+ self.logger.error(logging_text + msg)
+ else:
+ self.logger.critical(logging_text + msg, exc_info=True)
+ 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_info, stage):
+ # 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,
+ stage=stage
+ )
+ )
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
+ task_instantiation_info[task_n2vc] = self.task_name_deploy_vca + " {}.{}".format(
+ member_vnf_index or "", vdu_id or "")
+
+ # 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
- # Get a numerically sorted list of the sequences for this VNFD's terminate action
- def _get_terminate_config_primitive_seq_list(self, vnfd):
+ @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")
}
return nslcmop
- # Create a primitive with params from VNFD
- # - Called from terminate() before deleting instance
- # - Calls action() to execute the primitive
- async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
- logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
- db_vnfds = {}
- db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
- # 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, call terminate action
+ 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):
+ # TODO vdu_index_count
+ for vca in vca_deployed_list:
+ if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
+ return vca["ee_id"]
+
+ async def destroy_N2VC(self, logging_text, db_nslcmop, vca_deployed, config_descriptor, vca_index, destroy_ee=True):
+ """
+ Execute the terminate primitives and destroy the execution environment (if destroy_ee=False
+ :param logging_text:
+ :param db_nslcmop:
+ :param vca_deployed: Dictionary of deployment info at db_nsr._admin.depoloyed.VCA.<INDEX>
+ :param config_descriptor: Configuration descriptor of the NSD, VNFD, VNFD.vdu or VNFD.kdu
+ :param vca_index: index in the database _admin.deployed.VCA
+ :param destroy_ee: False to do not destroy, because it will be destroyed all of then at once
+ :return: None or exception
+ """
+ # execute terminate_primitives
+ terminate_primitives = config_descriptor.get("terminate-config-primitive")
+ vdu_id = vca_deployed.get("vdu_id")
+ vdu_count_index = vca_deployed.get("vdu_count_index")
+ vdu_name = vca_deployed.get("vdu_name")
+ vnf_index = vca_deployed.get("member-vnf-index")
+ if terminate_primitives and vca_deployed.get("needed_terminate"):
+ # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
+ terminate_primitives = sorted(terminate_primitives, key=lambda x: int(x['seq']))
+ for seq in terminate_primitives:
+ # 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
- operation = "action"
- # primitive, i.e. "primitive": "touch"
+ # Create the primitive for each sequence, i.e. "primitive": "touch"
primitive = seq.get('name')
- primitive_params = {}
- params = {
- "member_vnf_index": vnf_index,
- "primitive": primitive,
- "primitive_params": primitive_params,
- }
- nslcmop_primitive = self._create_nslcmop(nsr_id, operation, params)
- # Get a copy of db_nslcmop 'admin' part
- db_nslcmop_action = {"_admin": deepcopy(db_nslcmop["_admin"])}
- # Update db_nslcmop with the primitive data
- db_nslcmop_action.update(nslcmop_primitive)
- # Create a new db entry for the created primitive, returns the new ID.
- # (The ID is normally obtained from Kafka.)
- nslcmop_terminate_action_id = self.db.create(
- "nslcmops", db_nslcmop_action)
- # Execute the primitive
- 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']
- nslcmop_operation_states_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
- if nslcmop_operation_state not in nslcmop_operation_states_ok:
- raise LcmException(
- "terminate_primitive_action for vnf_member_index={}",
- " primitive={} fails with error {}".format(
- vnf_index, seq.get("name"), nslcmop_operation_state_detail))
-
- 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_nsr = None
- db_nslcmop = None
- exc = None
- failed_detail = [] # annotates all failed error messages
- vca_time_destroy = None # time of where destroy charm order
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
- db_nslcmop_update = {}
- nslcmop_operation_state = None
- autoremove = False # autoremove after terminated
+ 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
+
+ # Add sub-operation
+ self._add_suboperation(db_nslcmop,
+ vnf_index,
+ vdu_id,
+ vdu_count_index,
+ vdu_name,
+ primitive,
+ mapped_primitive_params)
+ # Sub-operations: Call _ns_execute_primitive() instead of action()
+ try:
+ result, result_detail = await self._ns_execute_primitive(vca_deployed["ee_id"], primitive,
+ mapped_primitive_params)
+ except LcmException:
+ # this happens when VCA is not deployed. In this case it is not needed to terminate
+ continue
+ result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
+ if result not in result_ok:
+ raise LcmException("terminate_primitive {} for vnf_member_index={} fails with "
+ "error {}".format(seq.get("name"), vnf_index, result_detail))
+ # set that this VCA do not need terminated
+ db_update_entry = "_admin.deployed.VCA.{}.needed_terminate".format(vca_index)
+ self.update_db_2("nsrs", db_nslcmop["nsInstanceId"], {db_update_entry: False})
+
+ if destroy_ee:
+ await self.n2vc.delete_execution_environment(vca_deployed["ee_id"])
+
+ 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, total_timeout=self.timeout_charm_delete)
+ self._write_all_config_status(nsr_id=nsr_id, status='DELETED')
+
+ async def _terminate_RO(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
+ """
+ Terminates a deployment from RO
+ :param logging_text:
+ :param nsr_deployed: db_nsr._admin.deployed
+ :param nsr_id:
+ :param nslcmop_id:
+ :param stage: list of string with the content to write on db_nslcmop.detailed-status.
+ this method will update only the index 2, but it will write on database the concatenated content of the list
+ :return:
+ """
+ db_nsr_update = {}
+ failed_detail = []
+ 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:
- 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)
+ if ro_nsr_id:
+ stage[2] = "Deleting ns from VIM."
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self._write_op_status(nslcmop_id, stage)
+ self.logger.debug(logging_text + stage[2])
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ 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
+ stage[2] = "Waiting ns deleted from VIM."
+ detailed_status_old = None
+ self.logger.debug(logging_text + stage[2] + " RO_id={} ro_delete_action={}".format(ro_nsr_id,
+ ro_delete_action))
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
- db_nsr_update["operational-status"] = "terminating"
- db_nsr_update["config-status"] = "terminating"
+ 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)
- if nsr_deployed and nsr_deployed.get("VCA-model-name"):
- vca_model_name = nsr_deployed["VCA-model-name"]
- step = "deleting VCA model name '{}' and all charms".format(vca_model_name)
- self.logger.debug(logging_text + step)
- try:
- await self.n2vc.DestroyNetworkService(vca_model_name)
- except NetworkServiceDoesNotExist:
- pass
- db_nsr_update["_admin.deployed.VCA-model-name"] = None
- if nsr_deployed.get("VCA"):
- for vca_index in range(0, len(nsr_deployed["VCA"])):
- db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # for backward compatibility if charm have been created with "default" model name delete one by one
- elif nsr_deployed and nsr_deployed.get("VCA"):
- try:
- step = "Scheduling configuration charms removing"
- db_nsr_update["detailed-status"] = "Deleting charms"
- self.logger.debug(logging_text + step)
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # for backward compatibility
- if isinstance(nsr_deployed["VCA"], dict):
- nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
- db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
+ # 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":
+ stage[2] = "Deleting from VIM {}".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 stage[2] != detailed_status_old:
+ detailed_status_old = stage[2]
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self._write_op_status(nslcmop_id, stage)
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")
- for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
- if vca_deployed:
- if await self._destroy_charm(vca_deployed['model'], vca_deployed["application"]):
- vca_deployed.clear()
- db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
- else:
- vca_time_destroy = time()
- except Exception as e:
- self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))
+ except Exception as e:
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ if isinstance(e, ROclient.ROClientException) and 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 isinstance(e, ROclient.ROClientException) and e.http_code == 409: # conflict
+ failed_detail.append("delete conflict: {}".format(e))
+ self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(ro_nsr_id, e))
+ else:
+ failed_detail.append("delete error: {}".format(e))
+ self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(ro_nsr_id, e))
- # remove from RO
- RO_fail = False
- RO = ROclient.ROClient(self.loop, **self.ro_config)
-
- # 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")
+ # Delete nsd
+ if not failed_detail and deep_get(nsr_deployed, ("RO", "nsd_id")):
+ ro_nsd_id = nsr_deployed["RO"]["nsd_id"]
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_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 RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
- extra_item_id=RO_delete_action)
- ns_status, ns_status_info = 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))
+ stage[2] = "Deleting nsd from RO."
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ 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 Exception as e:
+ if isinstance(e, ROclient.ROClientException) and 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 isinstance(e, ROclient.ROClientException) and 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_ns_id={} delete error: {}".format(RO_nsr_id, e))
+ failed_detail.append("ro_nsd_id={} delete error: {}".format(ro_nsd_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"]
+ if not failed_detail and deep_get(nsr_deployed, ("RO", "vnfd")):
+ for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
+ if not vnf_deployed or not vnf_deployed["id"]:
+ continue
try:
- step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
- "Deleting nsd at RO"
- await 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))
+ ro_vnfd_id = vnf_deployed["id"]
+ stage[2] = "Deleting member_vnf_index={} ro_vnfd_id={} from RO.".format(
+ vnf_deployed["member-vnf-index"], ro_vnfd_id)
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ 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 Exception as e:
+ if isinstance(e, ROclient.ROClientException) and 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 isinstance(e, ROclient.ROClientException) and 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])
- RO_fail = True
else:
- failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
+ failed_detail.append("ro_vnfd_id={} delete error: {}".format(ro_vnfd_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 RO.delete("vnfd", RO_vnfd_id)
- self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
- db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
- except ROclient.ROClientException as e:
- if e.http_code == 404: # not found
- db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
- self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
- elif e.http_code == 409: # conflict
- failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
- self.logger.debug(logging_text + failed_detail[-1])
- else:
- failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
- self.logger.error(logging_text + failed_detail[-1])
-
- # wait until charm deleted
- if vca_time_destroy:
- db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = step = \
- "Waiting for deletion of configuration charms"
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
- if not vca_deployed:
+ if failed_detail:
+ stage[2] = "Error deleting from VIM"
+ else:
+ stage[2] = "Deleted from VIM"
+ db_nsr_update["detailed-status"] = " ".join(stage)
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+
+ if failed_detail:
+ raise LcmException("; ".join(failed_detail))
+
+ async def terminate(self, nsr_id, nslcmop_id):
+ # Try to lock HA task here
+ task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
+ if not task_is_locked_by_me:
+ return
+
+ logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
+ self.logger.debug(logging_text + "Enter")
+ timeout_ns_terminate = self.timeout_ns_terminate
+ db_nsr = None
+ db_nslcmop = None
+ exc = None
+ error_list = [] # annotates all failed error messages
+ db_nslcmop_update = {}
+ autoremove = False # autoremove after terminated
+ tasks_dict_info = {}
+ db_nsr_update = {}
+ stage = ["Stage 1/3: Preparing task.", "Waiting for previous operations to terminate.", ""]
+ # ^ contains [stage, step, VIM-status]
+ try:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
+
+ stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
+ db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ operation_params = db_nslcmop.get("operationParams") or {}
+ if operation_params.get("timeout_ns_terminate"):
+ timeout_ns_terminate = operation_params["timeout_ns_terminate"]
+ stage[1] = "Getting nsr={} from db.".format(nsr_id)
+ db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+
+ db_nsr_update["operational-status"] = "terminating"
+ db_nsr_update["config-status"] = "terminating"
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state="TERMINATING",
+ current_operation="TERMINATING",
+ current_operation_id=nslcmop_id,
+ other_update=db_nsr_update
+ )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ queuePosition=0,
+ stage=stage
+ )
+ nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed")) or {}
+ if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
+ return
+
+ stage[1] = "Getting vnf descriptors from db."
+ db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+ db_vnfds_from_id = {}
+ db_vnfds_from_member_index = {}
+ # Loop over VNFRs
+ for vnfr in db_vnfrs_list:
+ vnfd_id = vnfr["vnfd-id"]
+ if vnfd_id not in db_vnfds_from_id:
+ vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+ db_vnfds_from_id[vnfd_id] = vnfd
+ db_vnfds_from_member_index[vnfr["member-vnf-index-ref"]] = db_vnfds_from_id[vnfd_id]
+
+ # Destroy individual execution environments when there are terminating primitives.
+ # Rest of EE will be deleted at once
+ if not operation_params.get("skip_terminate_primitives"):
+ stage[0] = "Stage 2/3 execute terminating primitives."
+ stage[1] = "Looking execution environment that needs terminate."
+ self.logger.debug(logging_text + stage[1])
+ for vca_index, vca in enumerate(get_iterable(nsr_deployed, "VCA")):
+ config_descriptor = None
+ if not vca or not vca.get("ee_id") or not vca.get("needed_terminate"):
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"]))
+ if not vca.get("member-vnf-index"):
+ # ns
+ config_descriptor = db_nsr.get("ns-configuration")
+ elif vca.get("vdu_id"):
+ db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
+ vdud = next((vdu for vdu in db_vnfd.get("vdu", ()) if vdu["id"] == vca.get("vdu_id")), None)
+ if vdud:
+ config_descriptor = vdud.get("vdu-configuration")
+ elif vca.get("kdu_name"):
+ db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
+ kdud = next((kdu for kdu in db_vnfd.get("kdu", ()) if kdu["name"] == vca.get("kdu_name")), None)
+ if kdud:
+ config_descriptor = kdud.get("kdu-configuration")
else:
- db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
+ config_descriptor = db_vnfds_from_member_index[vca["member-vnf-index"]].get("vnf-configuration")
+ task = asyncio.ensure_future(self.destroy_N2VC(logging_text, db_nslcmop, vca, config_descriptor,
+ vca_index, False))
+ tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
+
+ # wait for pending tasks of terminate primitives
+ if tasks_dict_info:
+ self.logger.debug(logging_text + 'Waiting for terminate primitive pending tasks...')
+ error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
+ min(self.timeout_charm_delete, timeout_ns_terminate),
+ stage, nslcmop_id)
+ if error_list:
+ return # raise LcmException("; ".join(error_list))
+ tasks_dict_info.clear()
+
+ # 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_N2VC(nsr_id=nsr_id),
+ 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."
+ self.logger.debug(logging_text + stage[1])
+ # print(nsr_deployed)
+ for kdu in get_iterable(nsr_deployed, "K8s"):
+ if not kdu or not kdu.get("kdu-instance"):
+ continue
+ kdu_instance = kdu.get("kdu-instance")
+ if kdu.get("k8scluster-type") in self.k8scluster_map:
+ task_delete_kdu_instance = asyncio.ensure_future(
+ self.k8scluster_map[kdu["k8scluster-type"]].uninstall(
+ cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu_instance))
+ else:
+ self.logger.error(logging_text + "Unknown k8s deployment type {}".
+ format(kdu.get("k8scluster-type")))
+ continue
+ tasks_dict_info[task_delete_kdu_instance] = "Terminating KDU '{}'".format(kdu.get("kdu-name"))
- if failed_detail:
- self.logger.error(logging_text + " ;".join(failed_detail))
- db_nsr_update["operational-status"] = "failed"
- db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
- db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
- db_nslcmop_update["statusEnteredTime"] = time()
- else:
- db_nsr_update["operational-status"] = "terminated"
- db_nsr_update["detailed-status"] = "Done"
- db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
- db_nslcmop_update["detailed-status"] = "Done"
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
- db_nslcmop_update["statusEnteredTime"] = time()
- if db_nslcmop["operationParams"].get("autoremove"):
- autoremove = True
+ # remove from RO
+ stage[1] = "Deleting ns from VIM."
+ task_delete_ro = asyncio.ensure_future(
+ self._terminate_RO(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
+ tasks_dict_info[task_delete_ro] = "Removing deployment from VIM"
- except (ROclient.ROClientException, DbException, LcmException) as e:
+ # rest of staff will be done at finally
+
+ except (ROclient.ROClientException, DbException, LcmException, N2VCException) 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))
+ self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
exc = "Operation was cancelled"
except Exception as e:
exc = traceback.format_exc()
- self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
+ self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], 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()
+ if exc:
+ error_list.append(str(exc))
try:
- if db_nslcmop and db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- except DbException as e:
- self.logger.error(logging_text + "Cannot update database: {}".format(e))
+ # wait for pending tasks
+ if tasks_dict_info:
+ stage[1] = "Waiting for terminate pending tasks."
+ self.logger.debug(logging_text + stage[1])
+ error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_terminate,
+ stage, nslcmop_id)
+ stage[1] = stage[2] = ""
+ except asyncio.CancelledError:
+ error_list.append("Cancelled")
+ # TODO cancell all tasks
+ except Exception as exc:
+ error_list.append(str(exc))
+ # update status at database
+ if error_list:
+ error_detail = "; ".join(error_list)
+ # self.logger.error(logging_text + error_detail)
+ error_description_nslcmop = 'Stage: {}. Detail: {}'.format(stage[0], error_detail)
+ error_description_nsr = 'Operation: TERMINATING.{}, Stage {}.'.format(nslcmop_id, stage[0])
+
+ db_nsr_update["operational-status"] = "failed"
+ db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
+ db_nslcmop_update["detailed-status"] = error_detail
+ nslcmop_operation_state = "FAILED"
+ ns_state = "BROKEN"
+ else:
+ error_detail = None
+ error_description_nsr = error_description_nslcmop = None
+ ns_state = "NOT_INSTANTIATED"
+ 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"
+ nslcmop_operation_state = "COMPLETED"
+
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=ns_state,
+ current_operation="IDLE",
+ current_operation_id=None,
+ error_description=error_description_nsr,
+ 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,
+ )
+ autoremove = operation_params.get("autoremove", False)
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
+
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
+ async def _wait_for_tasks(self, logging_text, created_tasks_info, timeout, stage, nslcmop_id, nsr_id=None):
+ time_start = time()
+ error_detail_list = []
+ error_list = []
+ pending_tasks = list(created_tasks_info.keys())
+ num_tasks = len(pending_tasks)
+ num_done = 0
+ stage[1] = "{}/{}.".format(num_done, num_tasks)
+ self._write_op_status(nslcmop_id, stage)
+ while pending_tasks:
+ new_error = None
+ _timeout = timeout + time_start - time()
+ done, pending_tasks = await asyncio.wait(pending_tasks, timeout=_timeout,
+ return_when=asyncio.FIRST_COMPLETED)
+ num_done += len(done)
+ if not done: # Timeout
+ for task in pending_tasks:
+ new_error = created_tasks_info[task] + ": Timeout"
+ error_detail_list.append(new_error)
+ error_list.append(new_error)
+ break
+ for task in done:
+ if task.cancelled():
+ exc = "Cancelled"
+ else:
+ exc = task.exception()
+ if exc:
+ if isinstance(exc, asyncio.TimeoutError):
+ exc = "Timeout"
+ 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)):
+ self.logger.error(logging_text + new_error)
+ else:
+ exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
+ self.logger.error(logging_text + created_tasks_info[task] + exc_traceback)
+ else:
+ self.logger.debug(logging_text + created_tasks_info[task] + ": Done")
+ stage[1] = "{}/{}.".format(num_done, num_tasks)
+ if new_error:
+ stage[1] += " Errors: " + ". ".join(error_detail_list) + "."
+ if nsr_id: # update also nsr
+ self.update_db_2("nsrs", nsr_id, {"errorDescription": "Error at: " + ", ".join(error_list),
+ "errorDetail": ". ".join(error_detail_list)})
+ self._write_op_status(nslcmop_id, stage)
+ return error_detail_list
+
@staticmethod
def _map_primitive_params(primitive_desc, params, instantiation_params):
"""
calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
else:
raise LcmException("Parameter {} needed to execute primitive {} not provided".
- format(parameter["default-value"], primitive_desc["name"]))
+ format(calculated_params[param_name], primitive_desc["name"]))
else:
raise LcmException("Parameter {} needed to execute primitive {} not provided".
format(param_name, primitive_desc["name"]))
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):
- start_primitive_time = time()
+ def _look_for_deployed_vca(self, deployed_vca, member_vnf_index, vdu_id, vdu_count_index, kdu_name=None):
+ # find vca_deployed record for this action. Raise LcmException if not found or there is not any id.
+ for vca in deployed_vca:
+ if not vca:
+ continue
+ if member_vnf_index != vca["member-vnf-index"] or vdu_id != vca["vdu_id"]:
+ continue
+ if vdu_count_index is not None and vdu_count_index != vca["vdu_count_index"]:
+ continue
+ if kdu_name and kdu_name != vca["kdu_name"]:
+ continue
+ break
+ else:
+ # vca_deployed not found
+ raise LcmException("charm for member_vnf_index={} vdu_id={} kdu_name={} vdu_count_index={} is not "
+ "deployed".format(member_vnf_index, vdu_id, kdu_name, vdu_count_index))
+
+ # get ee_id
+ ee_id = vca.get("ee_id")
+ if not ee_id:
+ raise LcmException("charm for member_vnf_index={} vdu_id={} kdu_name={} vdu_count_index={} has not "
+ "execution environment"
+ .format(member_vnf_index, vdu_id, kdu_name, vdu_count_index))
+ return ee_id
+
+ async def _ns_execute_primitive(self, ee_id, primitive, primitive_params, retries=0,
+ retries_interval=30, timeout=None) -> (str, str):
try:
- for vca_deployed in db_deployed["VCA"]:
- if not vca_deployed:
- continue
- if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
- continue
- if vdu_name and vdu_name != vca_deployed["vdu_name"]:
- continue
- if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
- continue
- break
- else:
- raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
- "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
- model_name = vca_deployed.get("model")
- application_name = vca_deployed.get("application")
- if not model_name or not application_name:
- raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
- "model or application name" .format(member_vnf_index, vdu_id, vdu_name,
- vdu_count_index))
- # if vca_deployed["operational-status"] != "active":
- # raise LcmException("charm for member_vnf_index={} vdu_id={} operational_status={} not 'active'".format(
- # member_vnf_index, vdu_id, vca_deployed["operational-status"]))
- callback = None # self.n2vc_callback
- callback_args = () # [db_nsr, db_nslcmop, member_vnf_index, None]
- await self.n2vc.login()
if primitive == "config":
primitive_params = {"params": primitive_params}
- primitive_id = await self.n2vc.ExecutePrimitive(
- model_name,
- application_name,
- primitive,
- callback,
- *callback_args,
- **primitive_params
- )
- while time() - start_primitive_time < self.timeout_primitive:
- primitive_result_ = await self.n2vc.GetPrimitiveStatus(model_name, primitive_id)
- if primitive_result_ in ("completed", "failed"):
- primitive_result = "COMPLETED" if primitive_result_ == "completed" else "FAILED"
- detailed_result = await self.n2vc.GetPrimitiveOutput(model_name, primitive_id)
- break
- elif primitive_result_ is None and primitive == "config":
- primitive_result = "COMPLETED"
- detailed_result = None
+
+ while retries >= 0:
+ try:
+ output = await asyncio.wait_for(
+ self.n2vc.exec_primitive(
+ ee_id=ee_id,
+ primitive_name=primitive,
+ params_dict=primitive_params,
+ progress_timeout=self.timeout_progress_primitive,
+ total_timeout=self.timeout_primitive),
+ timeout=timeout or self.timeout_primitive)
+ # execution was OK
break
- else: # ("running", "pending", None):
- pass
- await asyncio.sleep(5)
- else:
- raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
- return primitive_result, detailed_result
- except (N2VCPrimitiveExecutionFailed, LcmException) as e:
- return "FAILED", str(e)
+ except asyncio.CancelledError:
+ raise
+ except Exception as e: # asyncio.TimeoutError
+ if isinstance(e, asyncio.TimeoutError):
+ e = "Timeout"
+ 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 'FAILED', str(e)
+
+ return 'COMPLETED', output
+
+ except (LcmException, asyncio.CancelledError):
+ raise
+ except Exception as e:
+ return 'FAIL', 'Error executing action {}: {}'.format(primitive, e)
async def action(self, nsr_id, nslcmop_id):
+
+ # Try to lock HA task here
+ task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
+ if not task_is_locked_by_me:
+ return
+
logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
db_nsr = None
db_nslcmop = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
+ db_nsr_update = {}
db_nslcmop_update = {}
nslcmop_operation_state = None
- nslcmop_operation_state_detail = None
+ error_description_nslcmop = 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")
+ primitive = db_nslcmop["operationParams"]["primitive"]
+ primitive_params = db_nslcmop["operationParams"]["primitive_params"]
+ timeout_ns_action = db_nslcmop["operationParams"].get("timeout_ns_action", self.timeout_primitive)
if vnf_index:
step = "Getting vnfr from database"
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"]})
-
- # look if previous tasks in process
- task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id)
- if task_dependency:
- step = db_nslcmop_update["detailed-status"] = \
- "Waiting for related tasks to be completed: {}".format(task_name)
- self.logger.debug(logging_text + step)
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- _, pending = await asyncio.wait(task_dependency, timeout=3600)
- if pending:
- raise LcmException("Timeout waiting related tasks to be completed")
+ 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):
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", ()):
+ for config_primitive in deep_get(vdu, ("vdu-configuration", "config-primitive"), ()):
+ if config_primitive["name"] == primitive:
+ config_primitive_desc = config_primitive
+ break
+ break
+ elif kdu_name:
+ for kdu in get_iterable(db_vnfd, "kdu"):
+ if kdu_name == kdu["name"]:
+ for config_primitive in deep_get(kdu, ("kdu-configuration", "config-primitive"), ()):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
+ break
elif vnf_index:
- for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
+ for config_primitive in deep_get(db_vnfd, ("vnf-configuration", "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", ()):
+ for config_primitive in deep_get(db_nsd, ("ns-configuration", "config-primitive"), ()):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
- if not config_primitive_desc:
+ if not config_primitive_desc and not (kdu_name and primitive in ("upgrade", "rollback", "status")):
raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
format(primitive))
- desc_params = {}
if vnf_index:
- if db_vnfr.get("additionalParamsForVnf"):
- desc_params.update(db_vnfr["additionalParamsForVnf"])
+ if vdu_id:
+ vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
+ desc_params = self._format_additional_params(vdur.get("additionalParams"))
+ elif kdu_name:
+ 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"))
+ else:
+ desc_params = self._format_additional_params(db_vnfr.get("additionalParamsForVnf"))
else:
- if db_nsr.get("additionalParamsForVnf"):
- desc_params.update(db_nsr["additionalParamsForNs"])
+ desc_params = self._format_additional_params(db_nsr.get("additionalParamsForNs"))
# TODO check if ns is in a proper status
- result, result_detail = await self._ns_execute_primitive(
- nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive,
- self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
- db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = result_detail
- db_nslcmop_update["operationState"] = nslcmop_operation_state = result
- db_nslcmop_update["statusEnteredTime"] = time()
- self.logger.debug(logging_text + " task Done with result {} {}".format(result, result_detail))
+ if kdu_name and primitive in ("upgrade", "rollback", "status"):
+ # kdur and desc_params already set from before
+ if primitive_params:
+ desc_params.update(primitive_params)
+ # TODO Check if we will need something at vnf level
+ for index, kdu in enumerate(get_iterable(nsr_deployed, "K8s")):
+ if kdu_name == kdu["kdu-name"] and kdu["member-vnf-index"] == vnf_index:
+ break
+ else:
+ raise LcmException("KDU '{}' for vnf '{}' not deployed".format(kdu_name, vnf_index))
+
+ if kdu.get("k8scluster-type") not in self.k8scluster_map:
+ msg = "unknown k8scluster-type '{}'".format(kdu.get("k8scluster-type"))
+ raise LcmException(msg)
+
+ db_dict = {"collection": "nsrs",
+ "filter": {"_id": nsr_id},
+ "path": "_admin.deployed.K8s.{}".format(index)}
+ self.logger.debug(logging_text + "Exec k8s {} on {}.{}".format(primitive, vnf_index, kdu_name))
+ step = "Executing kdu {}".format(primitive)
+ 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]
+
+ detailed_status = await asyncio.wait_for(
+ self.k8scluster_map[kdu["k8scluster-type"]].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=timeout_ns_action),
+ timeout=timeout_ns_action + 10)
+ self.logger.debug(logging_text + " Upgrade of kdu {} done".format(detailed_status))
+ elif primitive == "rollback":
+ detailed_status = await asyncio.wait_for(
+ self.k8scluster_map[kdu["k8scluster-type"]].rollback(
+ cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu.get("kdu-instance"),
+ db_dict=db_dict),
+ timeout=timeout_ns_action)
+ elif primitive == "status":
+ detailed_status = await asyncio.wait_for(
+ self.k8scluster_map[kdu["k8scluster-type"]].status_kdu(
+ cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu.get("kdu-instance")),
+ 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"],
+ member_vnf_index=vnf_index,
+ vdu_id=vdu_id,
+ vdu_count_index=vdu_count_index),
+ primitive=primitive,
+ primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params),
+ timeout=timeout_ns_action)
+
+ db_nslcmop_update["detailed-status"] = detailed_status
+ error_description_nslcmop = detailed_status if nslcmop_operation_state == "FAILED" else ""
+ self.logger.debug(logging_text + " task Done with result {} {}".format(nslcmop_operation_state,
+ detailed_status))
return # database update is called inside finally
- except (DbException, LcmException) as e:
+ except (DbException, LcmException, N2VCException) 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 asyncio.TimeoutError:
+ self.logger.error(logging_text + "Timeout while '{}'".format(step))
+ exc = "Timeout"
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 = \
+ if exc:
+ db_nslcmop_update["detailed-status"] = detailed_status = error_description_nslcmop = \
"FAILED {}: {}".format(step, exc)
- db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
- db_nslcmop_update["statusEnteredTime"] = time()
- try:
- if db_nslcmop_update:
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- if db_nsr:
- db_nsr_update["_admin.nslcmop"] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- except DbException as e:
- self.logger.error(logging_text + "Cannot update database: {}".format(e))
- self.logger.debug(logging_text + "Exit")
+ nslcmop_operation_state = "FAILED"
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=db_nsr["nsState"], # TODO check if degraded. For the moment use previous status
+ current_operation="IDLE",
+ current_operation_id=None,
+ # error_description=error_description_nsr,
+ # 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,
+ )
+
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
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
+ return nslcmop_operation_state, detailed_status
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_nslcmop = None
db_nslcmop_update = {}
nslcmop_operation_state = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_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_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"]
-
- # look if previous tasks in process
- task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id)
- if task_dependency:
- step = db_nslcmop_update["detailed-status"] = \
- "Waiting for related tasks to be completed: {}".format(task_name)
- self.logger.debug(logging_text + step)
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- _, pending = await asyncio.wait(task_dependency, timeout=3600)
- if pending:
- raise LcmException("Timeout waiting related tasks to be completed")
-
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"]
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:
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)
# break
# TODO check if ns is in a proper status
- step = "Sending scale order to RO"
+ 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}]})
vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
if scaling_type == "SCALE_OUT":
# count if max-instance-count is reached
- if "max-instance-count" in scaling_descriptor and scaling_descriptor["max-instance-count"] is not None:
- max_instance_count = int(scaling_descriptor["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 = nb_scale_op + 1
+ 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 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 = nb_scale_op - 1
+ nb_scale_op -= 1
vdu_scaling_info["scaling_direction"] = "IN"
vdu_scaling_info["vdu-delete"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
})
vdu_delete = vdu_scaling_info.pop("vdu-delete")
- # execute primitive service PRE-SCALING
+ # 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") and scaling_config_action["trigger"] == "pre-scale-in" \
- and scaling_type == "SCALE_IN":
+ 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)
scale_process = "VCA"
db_nsr_update["config-status"] = "configuring pre-scaling"
- result, result_detail = await self._ns_execute_primitive(
- nsr_deployed, vnf_index, None, None, None, vnf_config_primitive,
- self._map_primitive_params(config_primitive, {}, vnfr_params))
- self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
- vnf_config_primitive, result, result_detail))
+ 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(
+ self._look_for_deployed_vca(nsr_deployed["VCA"],
+ member_vnf_index=vnf_index,
+ vdu_id=None,
+ vdu_count_index=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"
- RO = ROclient.ROClient(self.loop, **self.ro_config)
- RO_desc = await 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 RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
- extra_item_id=RO_nslcmop_id)
- ns_status, ns_status_info = 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)
+ # 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:
- desc = await RO.show("ns", RO_nsr_id)
- ns_status, ns_status_info = RO.check_ns_status(desc)
- if ns_status == "ERROR":
- raise ROclient.ROClientException(ns_status_info)
- elif ns_status == "BUILD":
- detailed_status = step + "; {}".format(ns_status_info)
- elif ns_status == "ACTIVE":
- step = detailed_status = \
- "Waiting for management IP address reported by the VIM. Updating VNFRs"
- if not vnfr_scaled:
- self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
- vnfr_scaled = True
- try:
- desc = await RO.show("ns", RO_nsr_id)
- # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
- self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
- break
- except LcmExceptionNoMgmtIP:
- pass
+ # 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:
- assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
- if detailed_status != detailed_status_old:
- detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- await asyncio.sleep(5, loop=self.loop)
- deployment_timeout -= 5
- if deployment_timeout <= 0:
- raise ROclient.ROClientException("Timeout waiting ns to be ready")
-
- # update VDU_SCALING_INFO with the obtained ip_addresses
- if vdu_scaling_info["scaling_direction"] == "OUT":
- for vdur in reversed(db_vnfr["vdur"]):
- if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
- vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
- vdu_scaling_info["vdu"].append({
- "name": vdur["name"],
- "vdu_id": vdur["vdu-id-ref"],
- "interface": []
- })
- for interface in vdur["interfaces"]:
- vdu_scaling_info["vdu"][-1]["interface"].append({
- "name": interface["name"],
- "ip_address": interface["ip-address"],
- "mac_address": interface.get("mac-address"),
+ 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": []
})
- del vdu_scaling_info["vdu-create"]
+ 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") and scaling_config_action["trigger"] == "post-scale-out" \
- and scaling_type == "SCALE_OUT":
+ 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)
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(
+ self._look_for_deployed_vca(nsr_deployed["VCA"],
+ member_vnf_index=vnf_index,
+ vdu_id=None,
+ vdu_count_index=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)
- result, result_detail = await self._ns_execute_primitive(
- nsr_deployed, vnf_index, None, None, None, vnf_config_primitive,
- self._map_primitive_params(config_primitive, {}, vnfr_params))
- self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
- vnf_config_primitive, result, result_detail))
if result == "FAILED":
raise LcmException(result_detail)
db_nsr_update["config-status"] = old_config_status
scale_process = None
+ # 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"] = old_operational_status
+ 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:
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_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 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)
+ 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:
"operationState": nslcmop_operation_state},
loop=self.loop)
# if cooldown_time:
- # await asyncio.sleep(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))