from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
from osm_lcm import ROclient
-from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
+from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get
+from n2vc.k8s_helm_conn import K8sHelmConnector
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 copy import copy, deepcopy
from http import HTTPStatus
target_dict[key_list[-1]] = value
-def deep_get(target_dict, key_list):
- """
- Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
- Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None
- :param target_dict: dictionary to be read
- :param key_list: list of keys to read from target_dict
- :return: The wanted value if exist, None otherwise
- """
- for key in key_list:
- if not isinstance(target_dict, dict) or key not in target_dict:
- return None
- target_dict = target_dict[key]
- return target_dict
-
-
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
: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
-
- super().__init__(db, msg, fs, self.logger)
-
self.ro_config = ro_config
+ self.vca_config = vca_config
+ if 'pubkey' in self.vca_config:
+ self.vca_config['public_key'] = self.vca_config['pubkey']
+ if 'cacert' in self.vca_config:
+ self.vca_config['ca_cert'] = self.vca_config['cacert']
+ if 'apiproxy' in self.vca_config:
+ self.vca_config['api_proxy'] = self.vca_config['apiproxy']
+
+ # 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,
+ # ca_cert=self.vca_config.get('cacert'),
+ # api_proxy=self.vca_config.get('apiproxy'),
+ )
- self.n2vc = N2VC(
+ self.k8sclusterhelm = K8sHelmConnector(
+ kubectl_command=self.vca_config.get("kubectlpath"),
+ helm_command=self.vca_config.get("helmpath"),
+ 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'),
- api_proxy=vca_config.get('apiproxy')
+ db=self.db,
+ on_update_db=None,
)
+
+ # create RO client
self.RO = ROclient.ROClient(self.loop, **self.ro_config)
+ def _on_update_n2vc_db(self, table, filter, path, updated_data):
+
+ self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
+ .format(table, filter, path, updated_data))
+
+ return
+ # write NS status to database
+ # try:
+ # # nsrs_id = filter.get('_id')
+ # # print(nsrs_id)
+ # # get ns record
+ # nsr = self.db.get_one(table=table, q_filter=filter)
+ # # get VCA deployed list
+ # vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
+ # # get RO deployed
+ # # ro_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'RO'))
+ # for vca in vca_list:
+ # # status = vca.get('status')
+ # # print(status)
+ # # detailed_status = vca.get('detailed-status')
+ # # print(detailed_status)
+ # # for ro in ro_list:
+ # # print(ro)
+ #
+ # except Exception as e:
+ # self.logger.error('Error writing NS status to db: {}'.format(e))
+
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"],
}
+
n2vc_key_list = n2vc_key_list or []
for vnfd_ref, vnfd in vnfd_dict.items():
vdu_needed_access = []
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):
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
break
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
- "from VIM info".format(vnf_index, vdur["vdu-id-ref"],
- ifacer["name"]))
+ "from VIM info"
+ .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
vnfr_update["vdur.{}".format(vdu_index)] = vdur
break
else:
else:
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
- async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref,
- n2vc_key_list):
+ @staticmethod
+ def _get_ns_config_info(vca_deployed_list):
+ """
+ Generates a mapping between vnf,vdu elements and the N2VC id
+ :param vca_deployed_list: List of database _admin.deploy.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
+ """
+ mapping = {}
+ ns_config_info = {"osm-config-mapping": mapping}
+ for vca in vca_deployed_list:
+ if not vca["member-vnf-index"]:
+ continue
+ if not vca["vdu_id"]:
+ mapping[vca["member-vnf-index"]] = vca["application"]
+ else:
+ mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
+ vca["application"]
+ return ns_config_info
+
+ @staticmethod
+ def _get_initial_config_primitive_list(desc_primitive_list, vca_deployed):
+ """
+ Generates a list of initial-config-primitive based on the list provided by the descriptor. It includes internal
+ primitives as verify-ssh-credentials, or config when needed
+ :param desc_primitive_list: information of the descriptor
+ :param vca_deployed: information of the deployed, needed for known if it is related to an NS, VNF, VDU and if
+ this element contains a ssh public key
+ :return: The modified list. Can ba an empty list, but always a list
+ """
+ if desc_primitive_list:
+ primitive_list = desc_primitive_list.copy()
+ else:
+ primitive_list = []
+ # look for primitive config, and get the position. None if not present
+ config_position = None
+ for index, primitive in enumerate(primitive_list):
+ if primitive["name"] == "config":
+ config_position = index
+ break
+
+ # for NS, add always a config primitive if not present (bug 874)
+ if not vca_deployed["member-vnf-index"] and config_position is None:
+ primitive_list.insert(0, {"name": "config", "parameter": []})
+ config_position = 0
+ # for VNF/VDU add verify-ssh-credentials after config
+ if vca_deployed["member-vnf-index"] and config_position is not None and vca_deployed.get("ssh-public-key"):
+ primitive_list.insert(config_position + 1, {"name": "verify-ssh-credentials", "parameter": []})
+ return primitive_list
+
+ async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr,
+ db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list):
+
db_nsr_update = {}
RO_descriptor_number = 0 # number of descriptors created at RO
vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO
start_deploy = time()
+ vdu_flag = False # If any of the VNFDs has VDUs
ns_params = db_nslcmop.get("operationParams")
-
+
# deploy RO
+
# get vnfds, instantiate at RO
+
for c_vnf in nsd.get("constituent-vnfd", ()):
member_vnf_index = c_vnf["member-vnf-index"]
vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
+ if vnfd.get("vdu"):
+ vdu_flag = True
vnfd_ref = vnfd["id"]
- step = db_nsr_update["detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at RO".format(
- vnfd_ref, member_vnf_index)
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at" \
+ " RO".format(vnfd_ref, member_vnf_index)
# self.logger.debug(logging_text + step)
vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
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)
+ self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
# create nsd at RO
nsd_ref = nsd["id"]
- step = db_nsr_update["detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
# self.logger.debug(logging_text + step)
RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
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)
+ self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
# Crate ns at RO
# if present use it unless in error status
RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
if RO_nsr_id:
try:
- step = db_nsr_update["detailed-status"] = "Looking for existing ns at RO"
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Looking for existing ns at RO"
# self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
desc = await self.RO.show("ns", RO_nsr_id)
except ROclient.ROClientException as e:
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)
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deleting ns at RO. RO_ns_id={}"\
+ .format(RO_nsr_id)
self.logger.debug(logging_text + step)
await self.RO.delete("ns", RO_nsr_id)
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
if not RO_nsr_id:
- step = db_nsr_update["detailed-status"] = "Checking dependencies"
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking dependencies"
# self.logger.debug(logging_text + step)
# check if VIM is creating and wait look if previous tasks in process
self.logger.debug(logging_text + step)
await asyncio.wait(task_dependency, timeout=3600)
- step = db_nsr_update["detailed-status"] = "Checking instantiation parameters"
+ step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters"
RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
step = db_nsr_update["detailed-status"] = "Deploying ns at VIM"
- desc = await self.RO.create("ns", descriptor=RO_ns_params,
- name=db_nsr["name"],
- scenario=RO_nsd_uuid)
+ # step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deploying ns at VIM"
+ desc = await self.RO.create("ns", descriptor=RO_ns_params, name=db_nsr["name"], scenario=RO_nsd_uuid)
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"]
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD"
self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
# wait until NS is ready
step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_ns_id={}".format(RO_nsr_id)
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)
+ if vdu_flag:
+ self.ns_update_vnfr(db_vnfrs, desc)
break
except LcmExceptionNoMgmtIP:
pass
else:
assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
if detailed_status != detailed_status_old:
- detailed_status_old = db_nsr_update["detailed-status"] = detailed_status
+ detailed_status_old = db_nsr_update["_admin.deployed.RO.detailed-status"] = detailed_status
self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
await asyncio.sleep(5, loop=self.loop)
else: # total_deploy_timeout
raise ROclient.ROClientException("Timeout waiting ns to be ready")
step = "Updating NSR"
self.ns_update_nsr(db_nsr_update, db_nsr, desc)
- db_nsr_update["operational-status"] = "running"
- db_nsr["detailed-status"] = "Configuring vnfr"
+ db_nsr_update["_admin.deployed.RO.operational-status"] = "running"
+ db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
+ db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
- async def insert_key_ro(self, logging_text, pub_key, nsr_id, vnfr_id, vdu_id, vdu_index, user):
+ self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
+
+ step = "Deployed at VIM"
+ self.logger.debug(logging_text + step)
+
+ async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
+ """
+ Wait for ip addres at RO, and optionally, insert public key in virtual machine
+ :param logging_text: prefix use for logging
+ :param nsr_id:
+ :param vnfr_id:
+ :param vdu_id:
+ :param vdu_index:
+ :param pub_key: public ssh key to inject, None to skip
+ :param user: user to apply the public ssh key
+ :return: IP address
+ """
+
+ # self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
ro_nsr_id = None
ip_address = None
nb_tries = 0
target_vdu_id = None
+ ro_retries = 0
+
while True:
+
+ ro_retries += 1
+ if ro_retries >= 360: # 1 hour
+ raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
+
await asyncio.sleep(10, loop=self.loop)
- # 1 wait until NS is deployed at RO
+ # wait until NS is deployed at RO
if not ro_nsr_id:
db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
if not ro_nsr_id:
continue
+
+ # get ip address
if not target_vdu_id:
db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
- if not vdu_id:
+
+ if not vdu_id: # for the VNF case
ip_address = db_vnfr.get("ip-address")
if not ip_address:
continue
- for vdur in get_iterable(db_vnfr, "vdur"):
- if (vdur["vdu-id-ref"] == vdu_id and vdur["count-index"] == vdu_index) or \
- (ip_address and vdur.get("ip-address") == ip_address):
- if vdur["status"] == "ACTIVE":
- target_vdu_id = vdur["vdu-id-ref"]
- elif vdur["status"] == "ERROR":
- raise LcmException("Cannot inject ssh-key because target VM is in error state")
- break
- else:
+ vdur = next((x for x in get_iterable(db_vnfr, "vdur") if x.get("ip-address") == ip_address), None)
+ else: # VDU case
+ vdur = next((x for x in get_iterable(db_vnfr, "vdur")
+ if x.get("vdu-id-ref") == vdu_id and x.get("count-index") == vdu_index), None)
+
+ if not vdur:
raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format(
vnfr_id, vdu_id, vdu_index
))
+
+ if vdur.get("status") == "ACTIVE":
+ ip_address = vdur.get("ip-address")
+ if not ip_address:
+ continue
+ target_vdu_id = vdur["vdu-id-ref"]
+ elif vdur.get("status") == "ERROR":
+ raise LcmException("Cannot inject ssh-key because target VM is in error state")
+
if not target_vdu_id:
continue
- try:
- ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id) # TODO add vdu_index
- result_dict = await self.RO.create_action("ns", ro_nsr_id,
- {"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")))
- return
- except ROclient.ROClientException as e:
- nb_tries += 1
- if nb_tries >= 10:
- raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
- self.logger.debug(logging_text + "error injecting key: {}".format(e))
- async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, vdu_index,
- deploy_params, config_descriptor, base_folder):
+ # self.logger.debug(logging_text + "IP address={}".format(ip_address))
+
+ # inject public key into machine
+ if pub_key and user:
+ # self.logger.debug(logging_text + "Inserting RO key")
+ try:
+ ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id) # TODO add vdu_index
+ result_dict = await self.RO.create_action(
+ item="ns",
+ item_id_name=ro_nsr_id,
+ descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
+ )
+ # result_dict contains the format {VM-id: {vim_result: 200, description: text}}
+ if not result_dict or not isinstance(result_dict, dict):
+ raise LcmException("Unknown response from RO when injecting key")
+ for result in result_dict.values():
+ if result.get("vim_result") == 200:
+ break
+ else:
+ raise ROclient.ROClientException("error injecting key: {}".format(
+ result.get("description")))
+ break
+ except ROclient.ROClientException as e:
+ if not nb_tries:
+ self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
+ format(e, 20*10))
+ nb_tries += 1
+ if nb_tries >= 20:
+ raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
+ else:
+ break
+
+ return ip_address
+
+ async def 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):
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
+ }
logging_text += "member_vnf_index={} vdu_id={}, vdu_index={} ".format(db_vnfr["member-vnf-index-ref"],
vdu_id, vdu_index)
+
step = ""
try:
vnfr_id = None
namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
# Get artifact path
- storage_params = self.fs.get_params()
- artifact_path = "{}{}/{}/charms/{}".format(
- storage_params["path"],
+ artifact_path = "/{}/{}/charms/{}".format(
base_folder["folder"],
base_folder["pkg-dir"],
config_descriptor["juju"]["charm"]
)
- is_proxy_charm = True if config_descriptor["juju"]["charm"] else False
- if config_descriptor["juju"].get("proxy") is False:
+ 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")
- if not ee_id:
- if is_proxy_charm:
- step = "create execution envioronment"
- self.logger.debug(logging_text + step)
- ee_id = await self.n2vc.CreateExecutionEnvironment(namespace)
- else:
- step = "register execution envioronment"
- # TODO wait until deployed by RO, when IP address has been filled. By pooling????
- credentials = {} # TODO db_credentials["ip_address"]
- # 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 config_descriptor.get("initial-config-primitive"):
- for param in config_descriptor["initial-config-primitive"][0].get("parameter", ()):
+ # create or register execution environment in VCA
+ if is_proxy_charm:
+ 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":
- credentials["username"] = param["value"]
- if config_descriptor.get("config-access") and config_descriptor["config-access"].get("ssh-access"):
- if config_descriptor["config-access"]["ssh-access"].get("required"):
- credentials["username"] = \
- config_descriptor["config-access"]["ssh-access"].get("default-user")
+ 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
- # n2vc_redesign STEP 3.2
- self.logger.debug(logging_text + step)
- ee_id = await self.n2vc.RegisterExecutionEnvioronment(credentials)
- # 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"
- model_name, _, application_name = ee_id.partition(".")
- 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})
+ 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
- # TODO check if already done
+
step = "Install configuration Software"
- # TODO db_dict with filter: 'nsr_id', path:'db_update_entry'
- pub_key = await self.n2vc.InstallConfigurationSW(self, ee_id, artifact_path)
- if is_proxy_charm and pub_key:
- # check if ssh key must be injected
- required = deep_get(config_descriptor, ("config-access", "ssh-access", "required"))
- # TODO get from config primitive: if required not user:
- if required:
+ # 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)
+
+ # 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"))
- # insert pub_key into VM
- # n2vc_redesign STEP 5.1
+ 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"
- await self.insert_key_ro(logging_text, pub_key, nsr_id, vnfr_id, vdu_id, vdu_index, user)
- # TODO get ip_address and add to deploy params
- deploy_params["rw_mgmt_ip"] = "TODO-ip-address"
+ 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
+ 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)
+
+ 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
- initial_config_primitive_list = config_descriptor.get('initial-config-primitive', [])
+ step = 'execute initial config primitive'
+ initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
+
+ # sort initial config primitives by 'seq'
+ try:
+ initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
+ except Exception as e:
+ self.logger.error(logging_text + step + ": " + str(e))
+
+ # add config if not present for NS charm
+ initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
+ vca_deployed)
+
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"] = self._get_ns_config_info(vca_deployed_list)
# 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.ExecutePrimitive(ee_id, initial_config_primitive["name"], primitive_params_)
+ await self.n2vc.exec_primitive(
+ ee_id=ee_id,
+ primitive_name=initial_config_primitive["name"],
+ params_dict=primitive_params_,
+ db_dict=db_dict
+ )
# TODO register in database that primitive is done
+
+ step = "instantiated at VCA"
+ self.logger.debug(logging_text + step)
+
except Exception as e: # TODO not use Exception but N2VC exception
- raise Exception("{} {}".format(step, e))
+ raise Exception("{} {}".format(step, e)) from e
# TODO raise N2VC exception with 'step' extra information
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')
return
logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
+
# get all needed from database
- # start_deploy = time()
+
+ # database nsrs record
db_nsr = None
+
+ # database nslcmops record
db_nslcmop = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
+
+ # update operation on nsrs
+ db_nsr_update = {"_admin.nslcmop": nslcmop_id,
+ "_admin.current-operation": nslcmop_id,
+ "_admin.operation-type": "instantiate"}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ # update operation on nslcmops
db_nslcmop_update = {}
+
nslcmop_operation_state = None
- db_vnfrs = {}
+ db_vnfrs = {} # vnf's info indexed by member-index
+ # n2vc_info = {}
task_instantiation_list = []
exc = None
try:
# wait for any previous tasks in process
- step = "Waiting for previous tasks"
+ step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
- # STEP 0: Reding database
+
+ # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
+
+ # read from db: operation
step = "Getting nslcmop={} from db".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+
+ # read from db: ns
step = "Getting nsr={} from db".format(nsr_id)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ # nsd is replicated into ns (no db read)
nsd = db_nsr["nsd"]
# nsr_name = db_nsr["name"] # TODO short-name??
+ # read from db: vnf's of this ns
step = "Getting vnfrs from db"
+ self.logger.debug(logging_text + step)
db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
- db_vnfds_ref = {}
- db_vnfds = {}
- db_vnfds_index = {}
+
+ # 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
- vnfd_id = vnfr["vnfd-id"]
- vnfd_ref = vnfr["vnfd-ref"]
+ 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 cb
step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
+ self.logger.debug(logging_text + step)
vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
- 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
+ # 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
- # 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
+ # 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
db_nsr_update["detailed-status"] = "creating"
db_nsr_update["operational-status"] = "init"
+
if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
db_nsr_update["_admin.deployed.RO.vnfd"] = []
# set state to INSTANTIATED. When instantiated NBI will not delete directly
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
+ self.logger.debug(logging_text + "Before deploy_kdus")
+ # Call to deploy_kdus in case exists the "vdu:kdu" param
+ task_kdu = asyncio.ensure_future(
+ self.deploy_kdus(
+ logging_text=logging_text,
+ nsr_id=nsr_id,
+ db_nsr=db_nsr,
+ db_vnfrs=db_vnfrs,
+ )
+ )
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
+ task_instantiation_list.append(task_kdu)
# n2vc_redesign STEP 1 Get VCA public ssh-key
# feature 1429. Add n2vc public key to needed VMs
- n2vc_key = await self.n2vc.GetPublicKey()
+ 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"])
# n2vc_redesign STEP 2 Deploy Network Scenario
task_ro = asyncio.ensure_future(
- self.instantiate_RO(logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref, [n2vc_key])
+ self.instantiate_RO(
+ logging_text=logging_text,
+ nsr_id=nsr_id,
+ nsd=nsd,
+ db_nsr=db_nsr,
+ db_nslcmop=db_nslcmop,
+ db_vnfrs=db_vnfrs,
+ db_vnfds_ref=db_vnfds_ref,
+ n2vc_key_list=n2vc_key_list
+ )
)
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
task_instantiation_list.append(task_ro)
-
+
# n2vc_redesign STEP 3 to 6 Deploy N2VC
step = "Looking for needed vnfd to configure with proxy charm"
self.logger.debug(logging_text + step)
- def _deploy_n2vc():
- # 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
- # read variables logging_text, nsi_id, db_nsr, db_vnfr, vdu_id, vdu_index, deploy_params,
- # descriptor_config, base_folder, member_vnf_index, vnfd_id
- # write variables: db_nsr
-
- # 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("vdu_count_index", 0) == vdu_index:
- break
- else:
- # not found, create one.
- vca_deployed = {
- "member-vnf-index": member_vnf_index,
- "vdu_id": vdu_id,
- "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
- self.update_db_2("nsrs", nsr_id, {"_admin.deployed.VCA.{}".format(vca_index): vca_deployed})
- db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
-
- # Launch task
- task_n2vc = asyncio.ensure_future(
- self.instantiate_N2VC(logging_text,
- vca_index,
- nsi_id,
- db_nsr,
- db_vnfr,
- vdu_id,
- vdu_index,
- deploy_params,
- descriptor_config,
- base_folder,
- )
- )
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
- task_instantiation_list.append(task_n2vc)
-
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
- vnfd = db_vnfds_ref[vnfd_id]
+ kdu_name = None
# Get additional parameters
deploy_params = {}
if db_vnfr.get("additionalParamsForVnf"):
- deploy_params = db_vnfr["additionalParamsForVnf"].copy()
- for k, v in deploy_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- deploy_params[k] = yaml.safe_load(v[7:])
+ deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
descriptor_config = vnfd.get("vnf-configuration")
if descriptor_config and descriptor_config.get("juju"):
- _deploy_n2vc()
+ self._deploy_n2vc(
+ logging_text=logging_text,
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ nslcmop_id=nslcmop_id,
+ nsr_id=nsr_id,
+ nsi_id=nsi_id,
+ vnfd_id=vnfd_id,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ member_vnf_index=member_vnf_index,
+ vdu_index=vdu_index,
+ vdu_name=vdu_name,
+ deploy_params=deploy_params,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_list=task_instantiation_list
+ )
# 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"]):
# "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"]
- _deploy_n2vc()
+ 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_vdu,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_list=task_instantiation_list
+ )
+ for kdud in get_iterable(vnfd, 'kdu'):
+ kdu_name = kdud["name"]
+ descriptor_config = kdud.get('kdu-configuration')
+ if descriptor_config and descriptor_config.get("juju"):
+ vdu_id = None
+ vdu_index = 0
+ vdu_name = None
+ # look for vdu index in the db_vnfr["vdu"] section
+ # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
+ # if vdur["vdu-id-ref"] == vdu_id:
+ # break
+ # else:
+ # raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
+ # "member_vnf_index={}".format(vdu_id, member_vnf_index))
+ # vdu_name = vdur.get("name")
+ # vdu_name = None
+
+ self._deploy_n2vc(
+ logging_text=logging_text,
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ nslcmop_id=nslcmop_id,
+ nsr_id=nsr_id,
+ nsi_id=nsi_id,
+ vnfd_id=vnfd_id,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ member_vnf_index=member_vnf_index,
+ vdu_index=vdu_index,
+ vdu_name=vdu_name,
+ deploy_params=deploy_params,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_list=task_instantiation_list
+ )
# Check if this NS has a charm configuration
descriptor_config = nsd.get("ns-configuration")
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 = db_nsr["additionalParamsForNs"].copy()
- for k, v in deploy_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- deploy_params[k] = yaml.safe_load(v[7:])
+ deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
base_folder = nsd["_admin"]["storage"]
- _deploy_n2vc()
+ self._deploy_n2vc(
+ logging_text=logging_text,
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ nslcmop_id=nslcmop_id,
+ nsr_id=nsr_id,
+ nsi_id=nsi_id,
+ vnfd_id=vnfd_id,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ member_vnf_index=member_vnf_index,
+ vdu_index=vdu_index,
+ vdu_name=vdu_name,
+ deploy_params=deploy_params,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_list=task_instantiation_list
+ )
# Wait until all tasks of "task_instantiation_list" have been finished
# while time() <= start_deploy + self.total_deploy_timeout:
error_text = None
timeout = 3600 # time() - start_deploy
- task_instantiation_set = set(task_instantiation_list)
- done, pending = await asyncio.wait(task_instantiation_set, timeout=timeout)
- # TODO return_when=asyncio.FIRST_COMPLETED)
+ task_instantiation_set = set(task_instantiation_list) # build a set with tasks
+ done = None
+ pending = None
+ if len(task_instantiation_set) > 0:
+ done, pending = await asyncio.wait(task_instantiation_set, timeout=timeout)
if pending:
error_text = "timeout"
for task in done:
db_nsr_update["config-status"] = "configured"
db_nsr_update["detailed-status"] = "done"
- return
-
except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
exc = e
try:
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
+ db_nsr_update["_admin.current-operation"] = None
+ db_nsr_update["_admin.operation-type"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
- async def _destroy_charm(self, model, application):
- """
- Order N2VC destroy a charm
- :param model:
- :param application:
- :return: True if charm does not exist. False if it exist
- """
- if not await self.n2vc.HasApplication(model, application):
- return True # Already removed
- await self.n2vc.RemoveCharms(model, application)
- return False
+ async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs):
+ # Launch kdus if present in the descriptor
- async def _wait_charm_destroyed(self, model, application, timeout):
- """
- Wait until charm does not exist
- :param model:
- :param application:
- :param timeout:
- :return: True if not exist, False if timeout
- """
- while True:
- if not await self.n2vc.HasApplication(model, application):
- return True
- if timeout < 0:
- return False
- await asyncio.sleep(10, loop=self.loop)
- timeout -= 10
+ k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
+
+ def _get_cluster_id(cluster_id, cluster_type):
+ nonlocal k8scluster_id_2_uuic
+ if cluster_id in k8scluster_id_2_uuic[cluster_type]:
+ return k8scluster_id_2_uuic[cluster_type][cluster_id]
+
+ db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
+ if not db_k8scluster:
+ raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
+ k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
+ if not k8s_id:
+ raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
+ k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
+ return k8s_id
+
+ logging_text += "Deploy kdus: "
+ try:
+ db_nsr_update = {"_admin.deployed.K8s": []}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ # Look for all vnfds
+ pending_tasks = {}
+ index = 0
+ for vnfr_data in db_vnfrs.values():
+ for kdur in get_iterable(vnfr_data, "kdur"):
+ desc_params = self._format_additional_params(kdur.get("additionalParams"))
+ kdumodel = None
+ k8sclustertype = None
+ error_text = None
+ cluster_uuid = None
+ if kdur.get("helm-chart"):
+ kdumodel = kdur["helm-chart"]
+ k8sclustertype = "chart"
+ k8sclustertype_full = "helm-chart"
+ elif kdur.get("juju-bundle"):
+ kdumodel = kdur["juju-bundle"]
+ k8sclustertype = "juju"
+ k8sclustertype_full = "juju-bundle"
+ else:
+ error_text = "kdu type is neither helm-chart not juju-bundle. Maybe an old NBI version is" \
+ " running"
+ try:
+ if not error_text:
+ cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
+ except LcmException as e:
+ error_text = str(e)
+ step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
+
+ k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
+ "k8scluster-type": k8sclustertype,
+ "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
+ if error_text:
+ k8s_instace_info["detailed-status"] = error_text
+ db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ if error_text:
+ continue
+
+ db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
+ "{}".format(index)}
+ if k8sclustertype == "chart":
+ task = asyncio.ensure_future(
+ self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
+ params=desc_params, db_dict=db_dict, timeout=3600)
+ )
+ else:
+ # TODO juju-bundle connector in place
+ pass
+ pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
+ index += 1
+ if not pending_tasks:
+ return
+ self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
+ pending_list = list(pending_tasks.keys())
+ while pending_list:
+ done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
+ return_when=asyncio.FIRST_COMPLETED)
+ if not done_list: # timeout
+ for task in pending_list:
+ db_nsr_update[pending_tasks(task) + "detailed-status"] = "Timeout"
+ break
+ for task in done_list:
+ exc = task.exception()
+ if exc:
+ db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
+ else:
+ db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
+
+ except Exception as e:
+ self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e))
+ raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e))
+ finally:
+ # TODO Write in data base
+ if db_nsr_update:
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
+ kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
+ base_folder, task_instantiation_list):
+ # 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
+ self.update_db_2("nsrs", nsr_id, {"_admin.deployed.VCA.{}".format(vca_index): vca_deployed})
+ 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,
+ )
+ )
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
+ task_instantiation_list.append(task_n2vc)
# Check if this VNFD has a configured terminate action
def _has_terminate_config_primitive(self, vnfd):
}
return nslcmop
+ def _format_additional_params(self, params):
+ params = params or {}
+ for key, value in params.items():
+ if str(value).startswith("!!yaml "):
+ params[key] = yaml.safe_load(value[7:])
+ return params
+
def _get_terminate_primitive_params(self, seq, vnf_index):
primitive = seq.get('name')
primitive_params = {}
# '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,
+ 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
# 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):
+ 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'
primitive,
mapped_primitive_params)
# Sub-operations: Call _ns_execute_primitive() instead of action()
- db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
- nsr_deployed = db_nsr["_admin"]["deployed"]
- result, result_detail = await self._ns_execute_primitive(
- nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive,
- mapped_primitive_params)
+ # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ # nsr_deployed = db_nsr["_admin"]["deployed"]
# nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
# nsr_id, nslcmop_terminate_action_id)
# Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
- result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
- if result not in result_ok:
+ # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
+ # if result not in result_ok:
+ # raise LcmException(
+ # "terminate_primitive_action for vnf_member_index={}",
+ # " primitive={} fails with error {}".format(
+ # vnf_index, seq.get("name"), result_detail))
+
+ # TODO: find ee_id
+ ee_id = None
+ try:
+ await self.n2vc.exec_primitive(
+ ee_id=ee_id,
+ primitive_name=primitive,
+ params_dict=mapped_primitive_params
+ )
+ except Exception as e:
+ self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
raise LcmException(
- "terminate_primitive_action for vnf_member_index={}",
- " primitive={} fails with error {}".format(
- vnf_index, seq.get("name"), result_detail))
+ "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
+ .format(vnf_index, seq.get("name"), e),
+ )
async def terminate(self, nsr_id, nslcmop_id):
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_nsr_update = {"_admin.nslcmop": nslcmop_id,
+ "_admin.current-operation": nslcmop_id,
+ "_admin.operation-type": "terminate"}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
db_nslcmop_update = {}
nslcmop_operation_state = None
autoremove = False # autoremove after terminated
+ pending_tasks = []
try:
# wait for any previous tasks in process
+ step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
step = "Getting nslcmop={} from db".format(nslcmop_id)
# Call internal terminate action
await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
+ pending_tasks = []
+
db_nsr_update["operational-status"] = "terminating"
db_nsr_update["config-status"] = "terminating"
- 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)
+ # remove NS
+ try:
+ step = "delete execution environment"
self.logger.debug(logging_text + step)
- try:
- await self.n2vc.DestroyNetworkService(vca_model_name)
- except NetworkServiceDoesNotExist:
- pass
- db_nsr_update["_admin.deployed.VCA-model-name"] = None
- if nsr_deployed.get("VCA"):
- for vca_index in range(0, len(nsr_deployed["VCA"])):
- db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # for backward compatibility if charm have been created with "default" model name delete one by one
- elif nsr_deployed and nsr_deployed.get("VCA"):
- try:
- step = "Scheduling configuration charms removing"
- db_nsr_update["detailed-status"] = "Deleting charms"
- self.logger.debug(logging_text + step)
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # for backward compatibility
- if isinstance(nsr_deployed["VCA"], dict):
- nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
- db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
- for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
- if vca_deployed:
- if await self._destroy_charm(vca_deployed['model'], vca_deployed["application"]):
- vca_deployed.clear()
- db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
- else:
- vca_time_destroy = time()
- except Exception as e:
- self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))
+
+ task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
+ pending_tasks.append(task_delete_ee)
+ except Exception as e:
+ msg = "Failed while deleting NS in VCA: {}".format(e)
+ self.logger.error(msg)
+ failed_detail.append(msg)
+
+ try:
+ # Delete from k8scluster
+ step = "delete kdus"
+ self.logger.debug(logging_text + step)
+ # print(nsr_deployed)
+ if nsr_deployed:
+ for kdu in nsr_deployed.get("K8s", ()):
+ kdu_instance = kdu.get("kdu-instance")
+ if not kdu_instance:
+ continue
+ if kdu.get("k8scluster-type") == "chart":
+ task_delete_kdu_instance = asyncio.ensure_future(
+ self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu_instance))
+ elif kdu.get("k8scluster-type") == "juju":
+ # TODO Juju connector needed
+ continue
+ else:
+ self.error(logging_text + "Unknown k8s deployment type {}".
+ format(kdu.get("k8scluster-type")))
+ continue
+ pending_tasks.append(task_delete_kdu_instance)
+ except LcmException as e:
+ msg = "Failed while deleting KDUs from NS: {}".format(e)
+ self.logger.error(msg)
+ failed_detail.append(msg)
# remove from RO
RO_fail = False
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)
+ desc = await self.RO.show(
+ "ns",
+ item_id_name=RO_nsr_id,
+ extra_item="action",
+ extra_item_id=RO_delete_action)
ns_status, ns_status_info = self.RO.check_action_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
self.logger.error(logging_text + failed_detail[-1])
- # wait until charm deleted
- if vca_time_destroy:
- db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = step = \
- "Waiting for deletion of configuration charms"
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
- for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]):
- if not vca_deployed:
- continue
- step = "Waiting for deletion of charm application_name={}".format(vca_deployed["application"])
- timeout = self.timeout_charm_delete - int(time() - vca_time_destroy)
- if not await self._wait_charm_destroyed(vca_deployed['model'], vca_deployed["application"],
- timeout):
- failed_detail.append("VCA[application_name={}] Deletion timeout".format(
- vca_deployed["application"]))
- else:
- db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None
-
if failed_detail:
self.logger.error(logging_text + " ;".join(failed_detail))
db_nsr_update["operational-status"] = "failed"
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
+ db_nsr_update["_admin.current-operation"] = None
+ db_nsr_update["_admin.operation-type"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
+
+ # wait for pending tasks
+ done = None
+ pending = None
+ if pending_tasks:
+ self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
+ done, pending = await asyncio.wait(pending_tasks, timeout=3600)
+ if not pending:
+ self.logger.debug(logging_text + 'All tasks finished...')
+ else:
+ self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
+
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
width=256)
elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
calculated_params[param_name] = calculated_params[param_name][7:]
+
+ # add always ns_config_info if primitive name is config
+ if primitive_desc["name"] == "config":
+ if "ns_config_info" in instantiation_params:
+ calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
return calculated_params
async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
- primitive, primitive_params, retries=0, retries_interval=30):
- start_primitive_time = time()
+ primitive, primitive_params, retries=0, retries_interval=30) -> (str, str):
+
+ # find vca_deployed record for this action
try:
for vca_deployed in db_deployed["VCA"]:
if not vca_deployed:
continue
break
else:
+ # vca_deployed not found
raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
"deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
- model_name = vca_deployed.get("model")
- application_name = vca_deployed.get("application")
- if not model_name or not application_name:
+
+ # get ee_id
+ ee_id = vca_deployed.get("ee_id")
+ if not ee_id:
raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
- "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()
+ "execution environment"
+ .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
+
if primitive == "config":
primitive_params = {"params": primitive_params}
+
while retries >= 0:
- primitive_id = await self.n2vc.ExecutePrimitive(
- model_name,
- application_name,
- primitive,
- callback,
- *callback_args,
- **primitive_params
- )
- while time() - start_primitive_time < self.timeout_primitive:
- primitive_result_ = await self.n2vc.GetPrimitiveStatus(model_name, primitive_id)
- if primitive_result_ in ("completed", "failed"):
- primitive_result = "COMPLETED" if primitive_result_ == "completed" else "FAILED"
- detailed_result = await self.n2vc.GetPrimitiveOutput(model_name, primitive_id)
- break
- elif primitive_result_ is None and primitive == "config":
- primitive_result = "COMPLETED"
- detailed_result = None
- break
- else: # ("running", "pending", None):
- pass
- await asyncio.sleep(5, loop=self.loop)
- else:
- raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
- if primitive_result == "COMPLETED":
+ try:
+ output = await self.n2vc.exec_primitive(
+ ee_id=ee_id,
+ primitive_name=primitive,
+ params_dict=primitive_params
+ )
+ # execution was OK
break
- retries -= 1
- if retries >= 0:
- await asyncio.sleep(retries_interval, loop=self.loop)
+ except Exception as e:
+ retries -= 1
+ if retries >= 0:
+ self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
+ # wait and retry
+ await asyncio.sleep(retries_interval, loop=self.loop)
+ else:
+ return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
- return primitive_result, detailed_result
- except (N2VCPrimitiveExecutionFailed, LcmException) as e:
- return "FAILED", str(e)
+ return output, 'OK'
+
+ except Exception as e:
+ return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
async def action(self, nsr_id, nslcmop_id):
# get all needed from database
db_nsr = None
db_nslcmop = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
+ db_nsr_update = {"_admin.nslcmop": nslcmop_id,
+ "_admin.current-operation": nslcmop_id,
+ "_admin.operation-type": "action"}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
db_nslcmop_update = {}
nslcmop_operation_state = None
nslcmop_operation_state_detail = None
exc = None
try:
# wait for any previous tasks in process
+ step = "Waiting for previous operations to terminate"
await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
step = "Getting information from database"
nsr_deployed = db_nsr["_admin"].get("deployed")
vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
vdu_id = db_nslcmop["operationParams"].get("vdu_id")
+ kdu_name = db_nslcmop["operationParams"].get("kdu_name")
vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
vdu_name = db_nslcmop["operationParams"].get("vdu_name")
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
+ elif kdu_name:
+ self.logger.debug(logging_text + "Checking actions in KDUs")
+ kdur = next((x for x in db_vnfr["kdur"] if x["kdu_name"] == kdu_name), None)
+ desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
+ if primitive_params:
+ desc_params.update(primitive_params)
+ # TODO Check if we will need something at vnf level
+ index = 0
+ for kdu in get_iterable(nsr_deployed, "K8s"):
+ if kdu_name == kdu["kdu-name"]:
+ db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
+ "path": "_admin.deployed.K8s.{}".format(index)}
+ if primitive == "upgrade":
+ if desc_params.get("kdu_model"):
+ kdu_model = desc_params.get("kdu_model")
+ del desc_params["kdu_model"]
+ else:
+ kdu_model = kdu.get("kdu-model")
+ parts = kdu_model.split(sep=":")
+ if len(parts) == 2:
+ kdu_model = parts[0]
+
+ if kdu.get("k8scluster-type") == "chart":
+ output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu.get("kdu-instance"),
+ atomic=True, kdu_model=kdu_model,
+ params=desc_params, db_dict=db_dict,
+ timeout=300)
+ elif kdu.get("k8scluster-type") == "juju":
+ # TODO Juju connector needed
+ pass
+ else:
+ msg = "k8scluster-type not defined"
+ raise LcmException(msg)
+
+ self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
+ break
+ elif primitive == "rollback":
+ if kdu.get("k8scluster-type") == "chart":
+ output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu.get("kdu-instance"),
+ db_dict=db_dict)
+ elif kdu.get("k8scluster-type") == "juju":
+ # TODO Juju connector needed
+ pass
+ else:
+ msg = "k8scluster-type not defined"
+ raise LcmException(msg)
+ break
+ elif primitive == "status":
+ if kdu.get("k8scluster-type") == "chart":
+ output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu.get("kdu-instance"))
+ elif kdu.get("k8scluster-type") == "juju":
+ # TODO Juju connector needed
+ pass
+ else:
+ msg = "k8scluster-type not defined"
+ raise LcmException(msg)
+ break
+ index += 1
+
+ else:
+ raise LcmException("KDU '{}' not found".format(kdu_name))
+ if output:
+ db_nslcmop_update["detailed-status"] = output
+ db_nslcmop_update["operationState"] = 'COMPLETED'
+ db_nslcmop_update["statusEnteredTime"] = time()
+ else:
+ db_nslcmop_update["detailed-status"] = ''
+ db_nslcmop_update["operationState"] = 'FAILED'
+ db_nslcmop_update["statusEnteredTime"] = time()
+ return
elif vnf_index:
for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
if config_primitive["name"] == primitive:
desc_params = {}
if vnf_index:
if db_vnfr.get("additionalParamsForVnf"):
- desc_params.update(db_vnfr["additionalParamsForVnf"])
+ desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
+ if vdu_id:
+ vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
+ if vdur.get("additionalParams"):
+ desc_params = self._format_additional_params(vdur["additionalParams"])
else:
- if db_nsr.get("additionalParamsForVnf"):
- desc_params.update(db_nsr["additionalParamsForNs"])
+ if db_nsr.get("additionalParamsForNs"):
+ desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
# TODO check if ns is in a proper status
- result, result_detail = await self._ns_execute_primitive(
- nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive,
- self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
- db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = result_detail
+ output, detail = await self._ns_execute_primitive(
+ db_deployed=nsr_deployed,
+ member_vnf_index=vnf_index,
+ vdu_id=vdu_id,
+ vdu_name=vdu_name,
+ vdu_count_index=vdu_count_index,
+ primitive=primitive,
+ primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
+
+ detailed_status = output
+ if detail == 'OK':
+ result = 'COMPLETED'
+ else:
+ result = 'FAILED'
+
+ db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
db_nslcmop_update["operationState"] = nslcmop_operation_state = result
db_nslcmop_update["statusEnteredTime"] = time()
- self.logger.debug(logging_text + " task Done with result {} {}".format(result, result_detail))
+ self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
return # database update is called inside finally
except (DbException, LcmException) as e:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
db_nsr_update["_admin.nslcmop"] = None
+ db_nsr_update["_admin.operation-type"] = None
+ db_nsr_update["_admin.nslcmop"] = None
+ db_nsr_update["_admin.current-operation"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
self.logger.error(logging_text + "Cannot update database: {}".format(e))
db_nslcmop = None
db_nslcmop_update = {}
nslcmop_operation_state = None
- db_nsr_update = {"_admin.nslcmop": nslcmop_id}
+ db_nsr_update = {"_admin.nslcmop": nslcmop_id,
+ "_admin.current-operation": nslcmop_id,
+ "_admin.operation-type": "scale"}
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
exc = None
# in case of error, indicates what part of scale was failed to put nsr at error status
scale_process = None
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)
step = "Getting nslcmop from database"
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"]
vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
+
scale_process = "VCA"
db_nsr_update["config-status"] = "configuring pre-scaling"
primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
else:
assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
else:
+
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
if db_nslcmop and db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr:
+ db_nsr_update["_admin.current-operation"] = None
+ db_nsr_update["_admin.operation-type"] = None
db_nsr_update["_admin.nslcmop"] = None
self.update_db_2("nsrs", nsr_id, db_nsr_update)
except DbException as e:
projects / osm / LCM.git / blobdiff