# 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):
+ def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, charm_params, n2vc_info, native_charm):
"""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
"""
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["username"] = charm_params.get("rw_mgmt_ip")
+
# Login to the VCA.
# if number_to_configure == 0:
# self.logger.debug("Logging into N2VC...")
descriptor, # The vnf/nsd descriptor
charm_path, # Path to charm
charm_params, # Runtime params, like mgmt ip
- {}, # for native charms only
+ machine_spec, # for native charms only
self.n2vc_callback, # Callback for status changes
n2vc_info, # Callback parameter
None, # Callback parameter (task)
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("juju"):
proxy_charm = vnf_config["juju"]["charm"]
+ native_charm = vnf_config["juju"].get("proxy") is False
- if proxy_charm:
+ if proxy_charm or native_charm:
if not vca_model_name:
step = "creating VCA model name '{}'".format(nsr_id)
self.logger.debug(logging_text + step)
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 {}
+ "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)
+ deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info, native_charm)
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
+ native_charm = None
if vdu_config and vdu_config.get("juju"):
proxy_charm = vdu_config["juju"]["charm"]
+ native_charm = vdu_config["juju"].get("proxy") is False
- if proxy_charm:
+ if proxy_charm or native_charm:
if not vca_model_name:
step = "creating VCA model name"
await self.n2vc.CreateNetworkService(nsr_id)
"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)
+ charm_params, n2vc_info, native_charm)
number_to_configure += 1
# Check if this NS has a charm configuration
ns_config = nsd.get("ns-configuration")
if ns_config and ns_config.get("juju"):
proxy_charm = ns_config["juju"]["charm"]
+ native_charm = ns_config["juju"].get("proxy") is False
- if proxy_charm:
+ if proxy_charm or native_charm:
step = "connecting to N2VC to configure ns"
# TODO is NS magmt IP address needed?
# additional_params["rw_mgmt_ip"] = db_nsr["ip-address"]
charm_params = {
"user_values": additional_params,
- # "rw_mgmt_ip": db_nsr["ip-address"],
+ "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)
+ deploy_charm(None, None, None, None, charm_params, n2vc_info, native_charm)
number_to_configure += 1
db_nsr_update["operational-status"] = "running"
await asyncio.sleep(10)
timeout -= 10
+ # 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):
+ # No need to check for existing primitive twice, already done before
+ vnf_config = vnfd.get("vnf-configuration")
+ seq_list = vnf_config.get("terminate-config-primitive")
+ # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
+ seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
+ return seq_list_sorted
+
+ @staticmethod
+ def _create_nslcmop(nsr_id, operation, params):
+ """
+ Creates a ns-lcm-opp content to be stored at database.
+ :param nsr_id: internal id of the instance
+ :param operation: instantiate, terminate, scale, action, ...
+ :param params: user parameters for the operation
+ :return: dictionary following SOL005 format
+ """
+ # Raise exception if invalid arguments
+ if not (nsr_id and operation and params):
+ raise LcmException(
+ "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
+ now = time()
+ _id = str(uuid4())
+ nslcmop = {
+ "id": _id,
+ "_id": _id,
+ # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
+ "operationState": "PROCESSING",
+ "statusEnteredTime": now,
+ "nsInstanceId": nsr_id,
+ "lcmOperationType": operation,
+ "startTime": now,
+ "isAutomaticInvocation": False,
+ "operationParams": params,
+ "isCancelPending": False,
+ "links": {
+ "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
+ "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
+ }
+ }
+ return nslcmop
+
+ # 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
+ 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"
+ 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")
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)
db_nsr_update["operational-status"] = "terminating"
db_nsr_update["config-status"] = "terminating"
if db_nslcmop["operationParams"].get("autoremove"):
autoremove = True
- except (ROclient.ROClientException, DbException) as e:
+ except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception {}".format(e))
exc = e
except asyncio.CancelledError:
db_nsr_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
+ nslcmop_operation_state_detail = None
exc = None
try:
step = "Getting information from database"
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"] = result_detail
+ 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))
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"] = "FAILED {}: {}".format(step, exc)
+ db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
+ "FAILED {}: {}".format(step, exc)
db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
db_nslcmop_update["statusEnteredTime"] = time()
try:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
+ return nslcmop_operation_state, nslcmop_operation_state_detail
async def scale(self, nsr_id, nslcmop_id):
logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
"[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
"primitive".format(scaling_group, config_primitive))
- vnfr_params = {"<VDU_SCALE_INFO>": vdu_scaling_info}
+ vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
step = db_nslcmop_update["detailed-status"] = \
"executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
- vnfr_params = {"<VDU_SCALE_INFO>": vdu_scaling_info}
+ vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])