import traceback
from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
-import ROclient
-from lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
+from osm_lcm import ROclient
+from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
from osm_common.dbbase import DbException
from osm_common.fsbase import FsException
-from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist
+from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist, PrimitiveDoesNotExist
from copy import copy, deepcopy
from http import HTTPStatus
def populate_dict(target_dict, key_list, value):
"""
- Upate target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
+ Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}}
:param target_dict: dictionary to be changed
:param key_list: list of keys to insert at target_dict
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
artifacts=None,
juju_public_key=vca_config.get('pubkey'),
ca_cert=vca_config.get('cacert'),
+ api_proxy=vca_config.get('apiproxy')
)
+ self.RO = ROclient.ROClient(self.loop, **self.ro_config)
def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
"""
"wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
# "scenario": ns_params["nsdId"],
}
- if n2vc_key_list:
- for vnfd_ref, vnfd in vnfd_dict.items():
- vdu_needed_access = []
- mgmt_cp = None
- if vnfd.get("vnf-configuration"):
- if vnfd.get("mgmt-interface"):
- if vnfd["mgmt-interface"].get("vdu-id"):
- vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
- elif vnfd["mgmt-interface"].get("cp"):
- mgmt_cp = vnfd["mgmt-interface"]["cp"]
-
- for vdu in vnfd.get("vdu", ()):
- if vdu.get("vdu-configuration"):
+ n2vc_key_list = n2vc_key_list or []
+ for vnfd_ref, vnfd in vnfd_dict.items():
+ vdu_needed_access = []
+ mgmt_cp = None
+ if vnfd.get("vnf-configuration"):
+ ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required"))
+ if ssh_required and vnfd.get("mgmt-interface"):
+ if vnfd["mgmt-interface"].get("vdu-id"):
+ vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
+ elif vnfd["mgmt-interface"].get("cp"):
+ mgmt_cp = vnfd["mgmt-interface"]["cp"]
+
+ for vdu in vnfd.get("vdu", ()):
+ if vdu.get("vdu-configuration"):
+ ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required"))
+ if ssh_required:
vdu_needed_access.append(vdu["id"])
- elif mgmt_cp:
- for vdu_interface in vdu.get("interface"):
- if vdu_interface.get("external-connection-point-ref") and \
- vdu_interface["external-connection-point-ref"] == mgmt_cp:
- vdu_needed_access.append(vdu["id"])
- mgmt_cp = None
- break
+ elif mgmt_cp:
+ for vdu_interface in vdu.get("interface"):
+ if vdu_interface.get("external-connection-point-ref") and \
+ vdu_interface["external-connection-point-ref"] == mgmt_cp:
+ vdu_needed_access.append(vdu["id"])
+ mgmt_cp = None
+ break
- if vdu_needed_access:
- for vnf_member in nsd.get("constituent-vnfd"):
- if vnf_member["vnfd-id-ref"] != vnfd_ref:
- continue
- for vdu in vdu_needed_access:
- populate_dict(RO_ns_params,
- ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
- n2vc_key_list)
+ if vdu_needed_access:
+ for vnf_member in nsd.get("constituent-vnfd"):
+ if vnf_member["vnfd-id-ref"] != vnfd_ref:
+ continue
+ for vdu in vdu_needed_access:
+ populate_dict(RO_ns_params,
+ ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
+ n2vc_key_list)
if ns_params.get("vduImage"):
RO_ns_params["vduImage"] = ns_params["vduImage"]
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={} "
- "at RO info".format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
+ "from VIM info".format(vnf_index, vdur["vdu-id-ref"],
+ ifacer["name"]))
vnfr_update["vdur.{}".format(vdu_index)] = vdur
break
else:
- raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} at "
- "RO info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
+ raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
+ "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
for net_RO in get_iterable(nsr_desc_RO, "nets"):
vnfr_update["vld.{}".format(vld_index)] = vld
break
else:
- raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} at RO info".format(
+ raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
vnf_index, vld["id"]))
self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
break
else:
- raise LcmException("ns_update_vnfr: Not found member_vnf_index={} at RO info".format(vnf_index))
+ raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
async def instantiate(self, nsr_id, nslcmop_id):
+
+ # 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
n2vc_key_list = [] # list of public keys to be injected as authorized to VMs
exc = None
try:
+ # wait for any previous tasks in process
+ step = "Waiting for previous tasks"
+ 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_nsr_update["detailed-status"] = "creating"
db_nsr_update["operational-status"] = "init"
- if not db_nsr["_admin"].get("deployed") or not db_nsr["_admin"]["deployed"].get("RO") or \
- not db_nsr["_admin"]["deployed"]["RO"].get("vnfd"):
+ 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"] = []
machine_spec = {}
if native_charm:
- machine_spec["username"] = charm_params.get("username"),
+ 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
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"
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?
.format(vca_deployed["member-vnf-index"],
vca_deployed["vdu_id"])
self.logger.debug(logging_text + step)
- primitive_id = await self.n2vc.ExecutePrimitive(
- vca_deployed["model"],
- vca_deployed["application"],
- "get-ssh-public-key",
- None,
- )
- vca_deployed["step"] = db_nsr_update[database_entry + "step"] = "get-ssh-public-key"
- vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\
- primitive_id
- db_nsr_update[database_entry + "operational-status"] =\
- vca_deployed["operational-status"]
+ 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"],
.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"]
# look if present
RO_update = {"member-vnf-index": member_vnf_index}
- vnfd_list = await RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
+ vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
if vnfd_list:
RO_update["id"] = vnfd_list[0]["uuid"]
self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' exists at RO. Using RO_id={}".
else:
vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
get("additionalParamsForVnf"), nsr_id)
- desc = await RO.create("vnfd", descriptor=vnfd_RO)
+ desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
RO_update["id"] = desc["uuid"]
self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
vnfd_ref, member_vnf_index, desc["uuid"]))
RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
RO_descriptor_number += 1
- nsd_list = await RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
+ nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
if nsd_list:
db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"]
self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format(
member_vnf_index = cp["member-vnf-index-ref"]
cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
- desc = await RO.create("nsd", descriptor=nsd_RO)
+ desc = await self.RO.create("nsd", descriptor=nsd_RO)
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid))
# Crate ns at RO
# if present use it unless in error status
- RO_nsr_id = db_nsr["_admin"].get("deployed", {}).get("RO", {}).get("nsr_id")
+ RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
if RO_nsr_id:
try:
step = db_nsr_update["detailed-status"] = "Looking for existing ns at RO"
# self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
- desc = await RO.show("ns", RO_nsr_id)
+ desc = await self.RO.show("ns", RO_nsr_id)
except ROclient.ROClientException as e:
if e.http_code != HTTPStatus.NOT_FOUND:
raise
RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
if RO_nsr_id:
- ns_status, ns_status_info = RO.check_ns_status(desc)
+ ns_status, ns_status_info = self.RO.check_ns_status(desc)
db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
if ns_status == "ERROR":
step = db_nsr_update["detailed-status"] = "Deleting ns at RO. RO_ns_id={}".format(RO_nsr_id)
self.logger.debug(logging_text + step)
- await RO.delete("ns", RO_nsr_id)
+ 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"
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,
- name=db_nsr["name"],
- scenario=RO_nsd_uuid)
+ 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)
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.update_db_2("nsrs", nsr_id, db_nsr_update)
# wait until NS is ready
- step = ns_status_detailed = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
+ step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_id={}".format(RO_nsr_id)
detailed_status_old = None
self.logger.debug(logging_text + step)
while time() <= start_deploy + self.total_deploy_timeout:
- desc = await RO.show("ns", RO_nsr_id)
- ns_status, ns_status_info = RO.check_ns_status(desc)
+ desc = await self.RO.show("ns", RO_nsr_id)
+ ns_status, ns_status_info = self.RO.check_ns_status(desc)
db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
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
+ '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]
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', ())
+ initial_config_primitive_list = vnfd["vnf-configuration"].get('initial-config-primitive', [])
else:
if db_nsr.get("additionalParamsForNs"):
add_params = db_nsr["additionalParamsForNs"].copy()
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:
- initial_config_primitive_list.insert(1, {"name": "verify-ssh-credentials", "paramter": []})
+ 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"],
- self._map_primitive_params(initial_config_primitive, {}, add_params))
+ 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={}: '{}'"
+ 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))
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("juju"):
native_charm = vnf_config["juju"].get("proxy") is False
-
- if native_charm:
+ proxy_charm = vnf_config["juju"]["charm"]
+ if native_charm and proxy_charm:
if not vca_model_name:
step = "creating VCA model name '{}'".format(nsr_id)
self.logger.debug(logging_text + step)
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)
+ self.logger.debug(logging_text + step)
+
vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
charm_params = {
"user_values": vnfr_params,
if vdu_config and vdu_config.get("juju"):
native_charm = vdu_config["juju"].get("proxy") is False
-
- if native_charm:
+ proxy_charm = vdu_config["juju"]["charm"]
+ if native_charm and proxy_charm:
if not vca_model_name:
step = "creating VCA model name"
await self.n2vc.CreateNetworkService(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()
+
+ self.logger.debug(logging_text + step)
+
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 {}"
charm_params["username"] = vdu_config["config-access"]["ssh-access"].get(
"default-user")
+ await self.n2vc.login()
+
deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
charm_params, n2vc_info, native_charm)
number_to_configure += 1
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:
+ proxy_charm = ns_config["juju"]["charm"]
+ if native_charm and proxy_charm:
step = "deploying native charm to configure ns"
# TODO is NS magmt IP address needed?
# 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
else:
return False
- # Get a numerically sorted list of the sequences for this VNFD's terminate action
- def _get_terminate_config_primitive_seq_list(self, vnfd):
+ @staticmethod
+ def _get_terminate_config_primitive_seq_list(vnfd):
+ """ Get a numerically sorted list of the sequences for this VNFD's terminate action """
# No need to check for existing primitive twice, already done before
vnf_config = vnfd.get("vnf-configuration")
seq_list = vnf_config.get("terminate-config-primitive")
}
return nslcmop
- # Create a primitive with params from VNFD
- # - Called from terminate() before deleting instance
- # - Calls action() to execute the primitive
+ 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_vnfds = {}
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"]
# 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
+ # For each sequence in list, get primitive and call _ns_execute_primitive()
step = "Calling terminate action for vnf_member_index={} primitive={}".format(
vnf_index, seq.get("name"))
self.logger.debug(logging_text + step)
- # Create the primitive for each sequence
- operation = "action"
- # primitive, i.e. "primitive": "touch"
+ # Create the primitive for each sequence, i.e. "primitive": "touch"
primitive = seq.get('name')
- primitive_params = {}
- params = {
- "member_vnf_index": vnf_index,
- "primitive": primitive,
- "primitive_params": primitive_params,
- }
- nslcmop_primitive = self._create_nslcmop(nsr_id, operation, params)
- # Get a copy of db_nslcmop 'admin' part
- db_nslcmop_action = {"_admin": deepcopy(db_nslcmop["_admin"])}
- # Update db_nslcmop with the primitive data
- db_nslcmop_action.update(nslcmop_primitive)
- # Create a new db entry for the created primitive, returns the new ID.
- # (The ID is normally obtained from Kafka.)
- nslcmop_terminate_action_id = self.db.create(
- "nslcmops", db_nslcmop_action)
- # Execute the primitive
- nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
- nsr_id, nslcmop_terminate_action_id)
+ 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']
- nslcmop_operation_states_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
- if nslcmop_operation_state not in nslcmop_operation_states_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"), nslcmop_operation_state_detail))
+ 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)
# remove from RO
RO_fail = False
- RO = ROclient.ROClient(self.loop, **self.ro_config)
# Delete ns
RO_nsr_id = RO_delete_action = None
RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
try:
if RO_nsr_id:
- step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = "Deleting ns at RO"
+ step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
+ "Deleting ns from VIM"
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self.logger.debug(logging_text + step)
- desc = await RO.delete("ns", RO_nsr_id)
+ desc = await self.RO.delete("ns", RO_nsr_id)
RO_delete_action = desc["action_id"]
db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
db_nsr_update["_admin.deployed.RO.nsr_id"] = None
delete_timeout = 20 * 60 # 20 minutes
while delete_timeout > 0:
- desc = await RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
- extra_item_id=RO_delete_action)
- ns_status, ns_status_info = RO.check_action_status(desc)
+ 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)
elif ns_status == "BUILD":
RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
try:
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
- "Deleting nsd at RO"
- await RO.delete("nsd", RO_nsd_id)
+ "Deleting nsd from RO"
+ await self.RO.delete("nsd", RO_nsd_id)
self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
db_nsr_update["_admin.deployed.RO.nsd_id"] = None
except ROclient.ROClientException as e:
step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
"Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
vnf_deployed["member-vnf-index"], RO_vnfd_id)
- await RO.delete("vnfd", RO_vnfd_id)
+ await self.RO.delete("vnfd", RO_vnfd_id)
self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
except ROclient.ROClientException as e:
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"]:
await self.n2vc.login()
if primitive == "config":
primitive_params = {"params": primitive_params}
- primitive_id = await self.n2vc.ExecutePrimitive(
- model_name,
- application_name,
- primitive,
- callback,
- *callback_args,
- **primitive_params
- )
- while time() - start_primitive_time < self.timeout_primitive:
- primitive_result_ = await self.n2vc.GetPrimitiveStatus(model_name, primitive_id)
- if primitive_result_ in ("completed", "failed"):
- primitive_result = "COMPLETED" if primitive_result_ == "completed" else "FAILED"
- detailed_result = await self.n2vc.GetPrimitiveOutput(model_name, primitive_id)
- break
- elif primitive_result_ is None and primitive == "config":
- primitive_result = "COMPLETED"
- detailed_result = None
+ while retries >= 0:
+ 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:
+ raise LcmException("timeout after {} seconds".format(self.timeout_primitive))
+ if primitive_result == "COMPLETED":
break
- else: # ("running", "pending", None):
- pass
- 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
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})
step = "Getting nsd from database"
db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
- # look if previous tasks in process
- task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id)
- if task_dependency:
- step = db_nslcmop_update["detailed-status"] = \
- "Waiting for related tasks to be completed: {}".format(task_name)
- self.logger.debug(logging_text + step)
- self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- _, pending = await asyncio.wait(task_dependency, timeout=3600)
- if pending:
- raise LcmException("Timeout waiting related tasks to be completed")
-
# for backward compatibility
if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
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)
# break
# TODO check if ns is in a proper status
- step = "Sending scale order to RO"
+ step = "Sending scale order to VIM"
nb_scale_op = 0
if not db_nsr["_admin"].get("scaling-group"):
self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
if scaling_type == "SCALE_OUT":
# count if max-instance-count is reached
- if "max-instance-count" in scaling_descriptor and scaling_descriptor["max-instance-count"] is not None:
- max_instance_count = int(scaling_descriptor["max-instance-count"])
- if nb_scale_op >= max_instance_count:
- raise LcmException("reached the limit of {} (max-instance-count) scaling-out operations for the"
- " scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
- nb_scale_op = nb_scale_op + 1
+ max_instance_count = scaling_descriptor.get("max-instance-count", 10)
+ # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
+ if nb_scale_op >= max_instance_count:
+ raise LcmException("reached the limit of {} (max-instance-count) "
+ "scaling-out operations for the "
+ "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
+
+ nb_scale_op += 1
vdu_scaling_info["scaling_direction"] = "OUT"
vdu_scaling_info["vdu-create"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
"type": "create", "count": vdu_scale_info.get("count", 1)})
vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
+
elif scaling_type == "SCALE_IN":
# count if min-instance-count is reached
min_instance_count = 0
if nb_scale_op <= min_instance_count:
raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
"scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
- nb_scale_op = nb_scale_op - 1
+ nb_scale_op -= 1
vdu_scaling_info["scaling_direction"] = "IN"
vdu_scaling_info["vdu-delete"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
if RO_scaling_info:
scale_process = "RO"
- RO = ROclient.ROClient(self.loop, **self.ro_config)
- RO_desc = await RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
+ RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
# wait until ready
deployment_timeout = 1 * 3600 # One hour
while deployment_timeout > 0:
if not RO_task_done:
- desc = await RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
- extra_item_id=RO_nslcmop_id)
- ns_status, ns_status_info = RO.check_action_status(desc)
+ desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
+ extra_item_id=RO_nslcmop_id)
+ ns_status, ns_status_info = self.RO.check_action_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
detailed_status = step + "; {}".format(ns_status_info)
elif ns_status == "ACTIVE":
RO_task_done = True
- step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
+ step = detailed_status = "Waiting VIM to deploy ns. RO_id={}".format(RO_nsr_id)
self.logger.debug(logging_text + step)
else:
assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
else:
- desc = await RO.show("ns", RO_nsr_id)
- ns_status, ns_status_info = RO.check_ns_status(desc)
+ desc = await self.RO.show("ns", RO_nsr_id)
+ ns_status, ns_status_info = self.RO.check_ns_status(desc)
if ns_status == "ERROR":
raise ROclient.ROClientException(ns_status_info)
elif ns_status == "BUILD":
self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
vnfr_scaled = True
try:
- desc = await RO.show("ns", RO_nsr_id)
+ desc = await self.RO.show("ns", RO_nsr_id)
# nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
break
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: