from osm_common.dbbase import DbException
from osm_common.fsbase import FsException
-from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed
+from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist, PrimitiveDoesNotExist
from copy import copy, deepcopy
from http import HTTPStatus
# 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'),
)
def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
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")
+ self.logger.error(logging_text + " Not present at nsr._admin.deployed.VCA. Received model_name={}".
+ format(model_name))
return
if task:
if task.cancelled():
RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]})
if RO_vld_sites:
populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
+ if vld_params.get("ns-net"):
+ 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)
if "vnfd-connection-point-ref" in vld_params:
for cp_params in vld_params["vnfd-connection-point-ref"]:
# look for interface
raise LcmException("ns_update_vnfr: Not found member_vnf_index={} at RO info".format(vnf_index))
async def instantiate(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={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
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:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
+
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)
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 = 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"
populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
db_nsr_update["_admin.deployed.RO.vnfd"] = []
- RO = ROclient.ROClient(self.loop, **self.ro_config)
-
# set state to INSTANTIATED. When instantiated NBI will not delete directly
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ # 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
+
+ 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
+
+ db_nsr_update["operational-status"] = "running"
+
+ # 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)
+ try:
+ 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"]
+ except PrimitiveDoesNotExist:
+ ssh_public_key = None
+ 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
+ step = "charm ssh-public-key for member_vnf_index={} vdu_id={} not needed".format(
+ vca_deployed["member-vnf-index"], vca_deployed["vdu_id"])
+ self.logger.debug(logging_text + step)
+
+ 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"]))
+
+ # 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(
+ 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)
vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
vnfd_list = await 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={}".
+ self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' exists at RO. Using RO_id={}".
format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"]))
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)
RO_update["id"] = desc["uuid"]
- self.logger.debug(logging_text + "vnfd='{}' member-vnf-index='{}' created at RO. RO_id={}".format(
+ 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
# feature 1429. Add n2vc public key to needed VMs
n2vc_key = await self.n2vc.GetPublicKey()
- RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, [n2vc_key])
+ n2vc_key_list.append(n2vc_key)
+ RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
step = db_nsr_update["detailed-status"] = "Creating ns at RO"
desc = await RO.create("ns", descriptor=RO_ns_params,
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"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # 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):
- """An inner function to deploy the charm from either vnf or vdu
- vnf_index is mandatory. vdu_id can be None for a vnf configuration or the id for vdu configuration
- """
- if not charm_params["rw_mgmt_ip"]:
- raise LcmException("vnfd/vdu has not management ip address to configure it")
- # Login to the VCA.
- # if number_to_configure == 0:
- # self.logger.debug("Logging into N2VC...")
- # task = asyncio.ensure_future(self.n2vc.login())
- # yield from asyncio.wait_for(task, 30.0)
- # self.logger.debug("Logged into N2VC!")
-
- # # await self.n2vc.login()
-
- # Note: The charm needs to exist on disk at the location
- # specified by charm_path.
- base_folder = vnfd["_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 = "default" # TODO bug 585 nsr_id
- if vdu_id:
- vdu_id_text = vdu_id + "-"
+ # 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:
- vdu_id_text = "-"
- application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index, 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": "",
- "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
- vnfd, # The vnf descriptor
- charm_path, # Path to charm
- charm_params, # Runtime params, like mgmt ip
- {}, # 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"
+ 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
+ initial_config_primitive_list = nsd["ns-configuration"].get('initial-config-primitive', [])
+
+ # 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 and vca_deployed.get("ssh-public-key"):
+ initial_config_primitive_list.insert(1, {"name": "verify-ssh-credentials", "parameter": []})
+
+ for initial_config_primitive in initial_config_primitive_list:
+ primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, add_params)
+ self.logger.debug(logging_text + step + " primitive '{}' params '{}'"
+ .format(initial_config_primitive["name"], primitive_params_))
+ 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"],
+ primitive_params_,
+ retries=10 if initial_config_primitive["name"] == "verify-ssh-credentials" else 0,
+ retries_interval=30)
+ 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)
for c_vnf in get_iterable(nsd, "constituent-vnfd"):
# 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"]
+ native_charm = vnf_config["juju"].get("proxy") is False
- if proxy_charm:
- step = "connecting to N2VC to configure vnf {}".format(vnf_index)
+ 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 {}
+ "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 = False
if vdu_config and vdu_config.get("juju"):
- proxy_charm = vdu_config["juju"]["charm"]
-
- if proxy_charm:
- step = "connecting to N2VC to configure vdu {} from vnf {}".format(vdu["id"], vnf_index)
+ 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
"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
- db_nsr_update["operational-status"] = "running"
+ # Check if this NS has a charm configuration
+
+ 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:
+ step = "Waiting all charms are active"
old_status = "configuring: init: {}".format(number_to_configure)
db_nsr_update["config-status"] = old_status
db_nsr_update["detailed-status"] = old_status
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
+
+ @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")
+ # 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
+
+ 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)
+
+ def _add_suboperation(self, db_nslcmop, nslcmop_id, vnf_index, vdu_id, vdu_count_index,
+ vdu_name, primitive, mapped_primitive_params):
+ # Create the "_admin.operations" array, or append operation if array already exists
+ key_admin = '_admin'
+ key_operations = 'operations'
+ db_nslcmop_update = {}
+ db_nslcmop_admin = db_nslcmop.get(key_admin, {})
+ op_list = db_nslcmop_admin.get(key_operations)
+ 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 db_nslcmop_admin:
+ if not op_list:
+ # First operation, create key 'operations' with current operation as first list element
+ db_nslcmop_admin.update({key_operations: [new_op]})
+ op_list = db_nslcmop_admin.get(key_operations)
+ else:
+ # Not first operation, append operation to existing list
+ op_list.append(new_op)
+
+ db_nslcmop_update['_admin.operations'] = op_list
+ self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
+
+ async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
+ """ Create a primitive with params from VNFD
+ Called from terminate() before deleting instance
+ Calls action() to execute the primitive """
+ logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
+ db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+ db_vnfds = {}
+ # 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, 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, i.e. "primitive": "touch"
+ primitive = seq.get('name')
+ 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
+ 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")
+ # Add suboperation
+ self._add_suboperation(db_nslcmop,
+ nslcmop_id,
+ vnf_index,
+ vdu_id,
+ vdu_count_index,
+ vdu_name,
+ primitive,
+ mapped_primitive_params)
+ # Suboperations: 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)
+
+ # 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:
+ raise LcmException(
+ "terminate_primitive_action for vnf_member_index={}",
+ " primitive={} fails with error {}".format(
+ vnf_index, seq.get("name"), result_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")
db_nsr = None
nslcmop_operation_state = None
autoremove = False # autoremove after terminated
try:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
+
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)
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 nsr_deployed and nsr_deployed.get("VCA"):
+ 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"
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(
+ "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))
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:
param_name = parameter["name"]
if param_name in params:
calculated_params[param_name] = params[param_name]
- elif "default-value" in parameter:
- calculated_params[param_name] = parameter["default-value"]
- if isinstance(parameter["default-value"], str) and parameter["default-value"].startswith("<") and \
- parameter["default-value"].endswith(">"):
- if parameter["default-value"][1:-1] in instantiation_params:
- calculated_params[param_name] = instantiation_params[parameter["default-value"][1:-1]]
+ elif "default-value" in parameter or "value" in parameter:
+ if "value" in parameter:
+ calculated_params[param_name] = parameter["value"]
+ else:
+ calculated_params[param_name] = parameter["default-value"]
+ if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
+ and calculated_params[param_name].endswith(">"):
+ if calculated_params[param_name][1:-1] in 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"]))
return calculated_params
async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
- primitive, primitive_params):
+ primitive, primitive_params, retries=0, retries_interval=30):
start_primitive_time = time()
try:
for vca_deployed in db_deployed["VCA"]:
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"]))
+ # 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()
- 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 ("running", "pending"):
- pass
- elif 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
+ 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)
else:
- detailed_result = "Invalid N2VC.GetPrimitiveStatus = {} obtained".format(primitive_result_)
- primitive_result = "FAILED"
+ raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
+ if primitive_result == "COMPLETED":
break
- await asyncio.sleep(5)
- else:
- raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
+ retries -= 1
+ if retries >= 0:
+ await asyncio.sleep(retries_interval)
+
return primitive_result, detailed_result
except (N2VCPrimitiveExecutionFailed, LcmException) as e:
return "FAILED", str(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_update = {"_admin.nslcmop": nslcmop_id}
db_nslcmop_update = {}
nslcmop_operation_state = None
+ nslcmop_operation_state_detail = None
exc = None
try:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', 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"]["member_vnf_index"]
+ 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")
- step = "Getting vnfr from database"
- 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"]})
-
- # 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")
+ if vnf_index:
+ step = "Getting vnfr from database"
+ 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"]})
+ 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"]})
# for backward compatibility
if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
if config_primitive["name"] == primitive:
config_primitive_desc = config_primitive
break
- for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
- if config_primitive["name"] == primitive:
- config_primitive_desc = config_primitive
- break
+ elif vnf_index:
+ for config_primitive in db_vnfd.get("vnf-configuration", {}).get("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", ()):
+ if config_primitive["name"] == primitive:
+ config_primitive_desc = config_primitive
+ break
+
if not config_primitive_desc:
- raise LcmException("Primitive {} not found at vnf-configuration:config-primitive or vdu:"
- "vdu-configuration:config-primitive".format(primitive))
+ raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
+ format(primitive))
- vnfr_params = {}
- if db_vnfr.get("additionalParamsForVnf"):
- vnfr_params.update(db_vnfr["additionalParamsForVnf"])
+ desc_params = {}
+ if vnf_index:
+ if db_vnfr.get("additionalParamsForVnf"):
+ desc_params.update(db_vnfr["additionalParamsForVnf"])
+ else:
+ if db_nsr.get("additionalParamsForVnf"):
+ desc_params.update(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, vnfr_params))
- db_nslcmop_update["detailed-status"] = result_detail
+ 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))
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):
+
+ # 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
old_config_status = ""
vnfr_scaled = False
try:
+ # wait for any previous tasks in process
+ await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', 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")
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)
# 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"])
+
+ # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(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
+ 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"]:
"[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"])
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: