from n2vc.exceptions import N2VCException, N2VCNotFound, K8sException
from osm_lcm.lcm_helm_conn import LCMHelmConn
+from osm_lcm.prometheus import parse_job
from copy import copy, deepcopy
from time import time
SUBOPERATION_STATUS_SKIP = -3
task_name_deploy_vca = "Deploying VCA"
- def __init__(self, msg, lcm_tasks, config, loop, prometheus=None):
+ def __init__(self, msg, lcm_tasks, config, loop):
"""
Init, Connect to database, filesystem storage, and messaging
:param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
"helm-v3": self.conn_helm_ee,
}
- self.prometheus = prometheus
-
# create RO client
self.RO = NgRoClient(self.loop, **self.ro_config)
self.logger.warn("Error updating NS state for ns={}: {}".format(nsr_id, e))
async def _on_update_k8s_db(
- self, cluster_uuid, kdu_instance, filter=None, vca_id=None
+ self, cluster_uuid, kdu_instance, filter=None, vca_id=None, cluster_type="juju"
):
"""
Updating vca status in NSR record
:param cluster_uuid: UUID of a k8s cluster
:param kdu_instance: The unique name of the KDU instance
:param filter: To get nsr_id
+ :cluster_type: The cluster type (juju, k8s)
:return: none
"""
# self.logger.debug("_on_update_k8s_db(cluster_uuid={}, kdu_instance={}, filter={}"
# .format(cluster_uuid, kdu_instance, filter))
+ nsr_id = filter.get("_id")
try:
- nsr_id = filter.get("_id")
-
- # get vca status for NS
- vca_status = await self.k8sclusterjuju.status_kdu(
- cluster_uuid,
- kdu_instance,
- complete_status=True,
+ vca_status = await self.k8scluster_map[cluster_type].status_kdu(
+ cluster_uuid=cluster_uuid,
+ kdu_instance=kdu_instance,
yaml_format=False,
+ complete_status=True,
vca_id=vca_id,
)
+
# vcaStatus
db_dict = dict()
db_dict["vcaStatus"] = {nsr_id: vca_status}
- await self.k8sclusterjuju.update_vca_status(
- db_dict["vcaStatus"],
- kdu_instance,
- vca_id=vca_id,
+ if cluster_type in ("juju-bundle", "juju"):
+ # TODO -> this should be done in a more uniform way, I think in N2VC, in order to update the K8s VCA
+ # status in a similar way between Juju Bundles and Helm Charts on this side
+ await self.k8sclusterjuju.update_vca_status(
+ db_dict["vcaStatus"],
+ kdu_instance,
+ vca_id=vca_id,
+ )
+
+ self.logger.debug(
+ f"Obtained VCA status for cluster type '{cluster_type}': {vca_status}"
)
# write to database
self.update_db_2("nsrs", nsr_id, db_dict)
-
except (asyncio.CancelledError, asyncio.TimeoutError):
raise
except Exception as e:
def _get_vdu_additional_params(self, db_vnfr, vdu_id):
vdur = next(
- vdur for vdur in db_vnfr.get("vdur") if vdu_id == vdur["vdu-id-ref"]
+ (vdur for vdur in db_vnfr.get("vdur") if vdu_id == vdur["vdu-id-ref"]),
+ {}
)
additional_params = vdur.get("additionalParams")
return parse_yaml_strings(additional_params)
def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None, mark_delete=False):
db_vdu_push_list = []
+ template_vdur = []
db_update = {"_admin.modified": time()}
if vdu_create:
for vdu_id, vdu_count in vdu_create.items():
None,
)
if not vdur:
- raise LcmException(
- "Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
+ # Read the template saved in the db:
+ self.logger.debug(f"No vdur in the database. Using the vdur-template to scale")
+ vdur_template = db_vnfr.get("vdur-template")
+ if not vdur_template:
+ raise LcmException(
+ "Error scaling OUT VNFR for {}. No vnfr or template exists".format(
vdu_id
+ )
)
- )
-
+ vdur = vdur_template[0]
+ #Delete a template from the database after using it
+ self.db.set_one("vnfrs",
+ {"_id": db_vnfr["_id"]},
+ None,
+ pull={"vdur-template": {"_id": vdur['_id']}}
+ )
for count in range(vdu_count):
vdur_copy = deepcopy(vdur)
vdur_copy["status"] = "BUILD"
vdur_copy["status-detailed"] = None
- vdur_copy["ip-address"]: None
+ vdur_copy["ip-address"] = None
vdur_copy["_id"] = str(uuid4())
vdur_copy["count-index"] += count + 1
vdur_copy["id"] = "{}-{}".format(
)
else:
iface.pop("mac-address", None)
- iface.pop(
- "mgmt_vnf", None
- ) # only first vdu can be managment of vnf
+ if db_vnfr["vdur"]:
+ iface.pop(
+ "mgmt_vnf", None
+ ) # only first vdu can be managment of vnf
db_vdu_push_list.append(vdur_copy)
# self.logger.debug("scale out, adding vdu={}".format(vdur_copy))
if vdu_delete:
+ if len(db_vnfr["vdur"]) == 1:
+ # The scale will move to 0 instances
+ self.logger.debug(f"Scaling to 0 !, creating the template with the last vdur")
+ template_vdur = [db_vnfr["vdur"][0]]
for vdu_id, vdu_count in vdu_delete.items():
if mark_delete:
indexes_to_delete = [
None,
pull={"vdur": {"_id": vdu["_id"]}},
)
- db_push = {"vdur": db_vdu_push_list} if db_vdu_push_list else None
+ db_push = {}
+ if db_vdu_push_list:
+ db_push["vdur"] = db_vdu_push_list
+ if template_vdur:
+ db_push["vdur-template"] = template_vdur
+ if not db_push:
+ db_push = None
+ db_vnfr["vdur-template"] = template_vdur
self.db.set_one("vnfrs", {"_id": db_vnfr["_id"]}, db_update, push_list=db_push)
# modify passed dictionary db_vnfr
db_vnfr_ = self.db.get_one("vnfrs", {"_id": db_vnfr["_id"]})
if vld_params.get("common_id"):
target_vld["common_id"] = vld_params.get("common_id")
+ # modify target["ns"]["vld"] with instantiation parameters to override vnf vim-account
+ def update_ns_vld_target(target, ns_params):
+ for vnf_params in ns_params.get("vnf", ()):
+ if vnf_params.get("vimAccountId"):
+ target_vnf = next(
+ (
+ vnfr
+ for vnfr in db_vnfrs.values()
+ if vnf_params["member-vnf-index"]
+ == vnfr["member-vnf-index-ref"]
+ ),
+ None,
+ )
+ vdur = next((vdur for vdur in target_vnf.get("vdur", ())), None)
+ for a_index, a_vld in enumerate(target["ns"]["vld"]):
+ target_vld = find_in_list(
+ get_iterable(vdur, "interfaces"),
+ lambda iface: iface.get("ns-vld-id") == a_vld["name"],
+ )
+ if target_vld:
+ if vnf_params.get("vimAccountId") not in a_vld.get(
+ "vim_info", {}
+ ):
+ target["ns"]["vld"][a_index].get("vim_info").update(
+ {
+ "vim:{}".format(vnf_params["vimAccountId"]): {
+ "vim_network_name": ""
+ }
+ }
+ )
+
nslcmop_id = db_nslcmop["_id"]
target = {
"name": db_nsr["name"],
image["vim_info"] = {}
for flavor in target["flavor"]:
flavor["vim_info"] = {}
+ if db_nsr.get("affinity-or-anti-affinity-group"):
+ target["affinity-or-anti-affinity-group"] = deepcopy(
+ db_nsr["affinity-or-anti-affinity-group"]
+ )
+ for affinity_or_anti_affinity_group in target[
+ "affinity-or-anti-affinity-group"
+ ]:
+ affinity_or_anti_affinity_group["vim_info"] = {}
if db_nslcmop.get("lcmOperationType") != "instantiate":
# get parameters of instantiation:
vld_params.update(vld_instantiation_params)
parse_vld_instantiation_params(target_vim, target_vld, vld_params, None)
target["ns"]["vld"].append(target_vld)
+ # Update the target ns_vld if vnf vim_account is overriden by instantiation params
+ update_ns_vld_target(target, ns_params)
for vnfr in db_vnfrs.values():
vnfd = find_in_list(
if target_vim not in ns_image["vim_info"]:
ns_image["vim_info"][target_vim] = {}
+ # Affinity groups
+ if vdur.get("affinity-or-anti-affinity-group-id"):
+ for ags_id in vdur["affinity-or-anti-affinity-group-id"]:
+ ns_ags = target["affinity-or-anti-affinity-group"][int(ags_id)]
+ if target_vim not in ns_ags["vim_info"]:
+ ns_ags["vim_info"][target_vim] = {}
+
vdur["vim_info"] = {target_vim: {}}
# instantiation parameters
# if vnf_params:
base_folder["folder"],
base_folder["pkg-dir"],
"charms"
- if vca_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ if vca_type
+ in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
else "helm-charts",
vca_name,
)
artifact_path = "{}/Scripts/{}/{}/".format(
base_folder["folder"],
"charms"
- if vca_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ if vca_type
+ in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
else "helm-charts",
vca_name,
)
# STEP 7 Configure metrics
if vca_type == "helm" or vca_type == "helm-v3":
- prometheus_jobs = await self.add_prometheus_metrics(
+ prometheus_jobs = await self.extract_prometheus_scrape_jobs(
ee_id=ee_id,
artifact_path=artifact_path,
ee_config_descriptor=ee_config_descriptor,
{db_update_entry + "prometheus_jobs": prometheus_jobs},
)
+ for job in prometheus_jobs:
+ self.db.set_one(
+ "prometheus_jobs",
+ {"job_name": job["job_name"]},
+ job,
+ upsert=True,
+ fail_on_empty=False,
+ )
+
step = "instantiated at VCA"
self.logger.debug(logging_text + step)
# read from db: operation
stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ if db_nslcmop["operationParams"].get("additionalParamsForVnf"):
+ db_nslcmop["operationParams"]["additionalParamsForVnf"] = json.loads(
+ db_nslcmop["operationParams"]["additionalParamsForVnf"]
+ )
ns_params = db_nslcmop.get("operationParams")
if ns_params and ns_params.get("timeout_ns_deploy"):
timeout_ns_deploy = ns_params["timeout_ns_deploy"]
# read from db: ns
stage[1] = "Getting nsr={} from db.".format(nsr_id)
+ self.logger.debug(logging_text + stage[1])
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
stage[1] = "Getting nsd={} from db.".format(db_nsr["nsd-id"])
+ self.logger.debug(logging_text + stage[1])
nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
self.fs.sync(db_nsr["nsd-id"])
db_nsr["nsd"] = nsd
# for each vnf in ns, read vnfd
for vnfr in db_vnfrs_list:
+ if vnfr.get("kdur"):
+ kdur_list = []
+ for kdur in vnfr["kdur"]:
+ if kdur.get("additionalParams"):
+ kdur["additionalParams"] = json.loads(
+ kdur["additionalParams"]
+ )
+ kdur_list.append(kdur)
+ vnfr["kdur"] = kdur_list
+
db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
vnfd_id = vnfr["vnfd-id"]
vnfd_ref = vnfr["vnfd-ref"]
)
deploy_params_kdu = {"OSM": get_osm_params(db_vnfr)}
if kdur.get("additionalParams"):
- deploy_params_kdu = parse_yaml_strings(
- kdur["additionalParams"]
+ deploy_params_kdu.update(
+ parse_yaml_strings(kdur["additionalParams"].copy())
)
self._deploy_n2vc(
if requirer_id != nsd["id"]:
requirer_dict["vnf-profile-id"] = requirer_id
else:
- raise Exception("provider/requirer or entities must be included in the relation.")
+ raise Exception(
+ "provider/requirer or entities must be included in the relation."
+ )
relation_provider = self._update_ee_relation_data_with_implicit_data(
nsr_id, nsd, provider_dict, cached_vnfds
)
if requirer_id != vnfd_id:
requirer_dict["vdu-profile-id"] = requirer_id
else:
- raise Exception("provider/requirer or entities must be included in the relation.")
+ raise Exception(
+ "provider/requirer or entities must be included in the relation."
+ )
relation_provider = self._update_ee_relation_data_with_implicit_data(
nsr_id, nsd, provider_dict, cached_vnfds, vnf_profile_id=vnf_profile_id
)
"nsrs", db_nslcmop["nsInstanceId"], {db_update_entry: False}
)
- if vca_deployed.get("prometheus_jobs") and self.prometheus:
- await self.prometheus.update(remove_jobs=vca_deployed["prometheus_jobs"])
+ # Delete Prometheus Jobs if any
+ # This uses NSR_ID, so it will destroy any jobs under this index
+ self.db.del_list("prometheus_jobs", {"nsr_id": db_nslcmop["nsInstanceId"]})
if destroy_ee:
await self.vca_map[vca_type].delete_execution_environment(
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
vca_id = self.get_vca_id({}, db_nsr)
if db_nsr["_admin"]["deployed"]["K8s"]:
- for k8s_index, k8s in enumerate(db_nsr["_admin"]["deployed"]["K8s"]):
- cluster_uuid, kdu_instance = k8s["k8scluster-uuid"], k8s["kdu-instance"]
+ for _, k8s in enumerate(db_nsr["_admin"]["deployed"]["K8s"]):
+ cluster_uuid, kdu_instance, cluster_type = (
+ k8s["k8scluster-uuid"],
+ k8s["kdu-instance"],
+ k8s["k8scluster-type"],
+ )
await self._on_update_k8s_db(
- cluster_uuid, kdu_instance, filter={"_id": nsr_id}, vca_id=vca_id
+ cluster_uuid=cluster_uuid,
+ kdu_instance=kdu_instance,
+ filter={"_id": nsr_id},
+ vca_id=vca_id,
+ cluster_type=cluster_type,
)
else:
for vca_index, _ in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
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})
+ if db_nslcmop["operationParams"].get("primitive_params"):
+ db_nslcmop["operationParams"]["primitive_params"] = json.loads(
+ db_nslcmop["operationParams"]["primitive_params"]
+ )
nsr_deployed = db_nsr["_admin"].get("deployed")
vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
db_vnfr = self.db.get_one(
"vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id}
)
+ if db_vnfr.get("kdur"):
+ kdur_list = []
+ for kdur in db_vnfr["kdur"]:
+ if kdur.get("additionalParams"):
+ kdur["additionalParams"] = json.loads(
+ kdur["additionalParams"]
+ )
+ kdur_list.append(kdur)
+ db_vnfr["kdur"] = kdur_list
step = "Getting vnfd from database"
db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
for kdu_delta in delta.get("kdu-resource-delta", {}):
kdu_profile = get_kdu_resource_profile(db_vnfd, kdu_delta["id"])
kdu_name = kdu_profile["kdu-name"]
- resource_name = kdu_profile["resource-name"]
+ resource_name = kdu_profile.get("resource-name", "")
# Might have different kdus in the same delta
# Should have list for each kdu
and kdur.get("helm-version") == "v2"
):
k8s_cluster_type = "helm-chart"
- raise NotImplementedError
elif kdur.get("juju-bundle"):
k8s_cluster_type = "juju-bundle"
else:
kdu_instance = deployed_kdu.get("kdu-instance")
instance_num = await self.k8scluster_map[
k8s_cluster_type
- ].get_scale_count(resource_name, kdu_instance, vca_id=vca_id)
+ ].get_scale_count(
+ resource_name,
+ kdu_instance,
+ vca_id=vca_id,
+ cluster_uuid=deployed_kdu.get("k8scluster-uuid"),
+ kdu_model=deployed_kdu.get("kdu-model"),
+ )
kdu_replica_count = instance_num + kdu_delta.get(
"number-of-instances", 1
)
for kdu_delta in delta.get("kdu-resource-delta", {}):
kdu_profile = get_kdu_resource_profile(db_vnfd, kdu_delta["id"])
kdu_name = kdu_profile["kdu-name"]
- resource_name = kdu_profile["resource-name"]
+ resource_name = kdu_profile.get("resource-name", "")
if not scaling_info["kdu-delete"].get(kdu_name, None):
scaling_info["kdu-delete"][kdu_name] = []
and kdur.get("helm-version") == "v2"
):
k8s_cluster_type = "helm-chart"
- raise NotImplementedError
elif kdur.get("juju-bundle"):
k8s_cluster_type = "juju-bundle"
else:
kdu_instance = deployed_kdu.get("kdu-instance")
instance_num = await self.k8scluster_map[
k8s_cluster_type
- ].get_scale_count(resource_name, kdu_instance, vca_id=vca_id)
+ ].get_scale_count(
+ resource_name,
+ kdu_instance,
+ vca_id=vca_id,
+ cluster_uuid=deployed_kdu.get("k8scluster-uuid"),
+ kdu_model=deployed_kdu.get("kdu-model"),
+ )
kdu_replica_count = instance_num - kdu_delta.get(
"number-of-instances", 1
)
] = "Deleting the execution environments"
scale_process = "VCA"
for vca_info in vca_scaling_info:
- if vca_info["type"] == "delete":
+ if vca_info["type"] == "delete" and not vca_info.get("osm_kdu_id"):
member_vnf_index = str(vca_info["member-vnf-index"])
self.logger.debug(
logging_text + "vdu info: {}".format(vca_info)
] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
member_vnf_index, vdu_id, vdu_index
)
- else:
- vdu_index = 0
- kdu_id = vca_info["osm_kdu_id"]
- stage[
- 1
- ] = "Scaling member_vnf_index={}, kdu_id={}, vdu_index={} ".format(
- member_vnf_index, kdu_id, vdu_index
- )
stage[2] = step = "Scaling in VCA"
self._write_op_status(op_id=nslcmop_id, stage=stage)
vca_update = db_nsr["_admin"]["deployed"]["VCA"]
] = "Creating new execution environments"
scale_process = "VCA"
for vca_info in vca_scaling_info:
- if vca_info["type"] == "create":
+ if vca_info["type"] == "create" and not vca_info.get("osm_kdu_id"):
member_vnf_index = str(vca_info["member-vnf-index"])
self.logger.debug(
logging_text + "vdu info: {}".format(vca_info)
task_instantiation_info=tasks_dict_info,
stage=stage,
)
- else:
- kdu_name = vca_info["osm_kdu_id"]
- descriptor_config = get_configuration(db_vnfd, kdu_name)
- if descriptor_config:
- vdu_id = None
- kdu_index = int(vca_info["kdu_index"])
- vdu_name = None
- kdur = next(
- x
- for x in db_vnfr["kdur"]
- if x["kdu-name"] == kdu_name
- )
- deploy_params_kdu = {"OSM": get_osm_params(db_vnfr)}
- if kdur.get("additionalParams"):
- deploy_params_kdu = parse_yaml_strings(
- kdur["additionalParams"]
- )
-
- self._deploy_n2vc(
- logging_text=logging_text,
- db_nsr=db_nsr,
- db_vnfr=db_vnfr,
- nslcmop_id=nslcmop_id,
- nsr_id=nsr_id,
- nsi_id=nsi_id,
- vnfd_id=vnfd_id,
- vdu_id=vdu_id,
- kdu_name=kdu_name,
- member_vnf_index=member_vnf_index,
- vdu_index=kdu_index,
- vdu_name=vdu_name,
- deploy_params=deploy_params_kdu,
- descriptor_config=descriptor_config,
- base_folder=base_folder,
- task_instantiation_info=tasks_dict_info,
- stage=stage,
- )
# SCALE-UP VCA - END
scale_process = None
)
cluster_uuid = deployed_kdu["k8scluster-uuid"]
kdu_instance = deployed_kdu["kdu-instance"]
+ kdu_model = deployed_kdu.get("kdu-model")
scale = int(kdu_scaling_info["scale"])
k8s_cluster_type = kdu_scaling_info["k8s-cluster-type"]
scale,
kdu_scaling_info["resource-name"],
vca_id=vca_id,
+ cluster_uuid=cluster_uuid,
+ kdu_model=kdu_model,
+ atomic=True,
+ db_dict=db_dict,
),
timeout=self.timeout_vca_on_error,
)
db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False
)
- async def add_prometheus_metrics(
+ async def extract_prometheus_scrape_jobs(
self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip
):
- if not self.prometheus:
- return
# look if exist a file called 'prometheus*.j2' and
artifact_content = self.fs.dir_ls(artifact_path)
job_file = next(
"EXPORTER_POD_IP": host_name,
"EXPORTER_POD_PORT": host_port,
}
- job_list = self.prometheus.parse_job(job_data, variables)
+ job_list = parse_job(job_data, variables)
# ensure job_name is using the vnfr_id. Adding the metadata nsr_id
for job in job_list:
if (
):
job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
job["nsr_id"] = nsr_id
- job_dict = {jl["job_name"]: jl for jl in job_list}
- if await self.prometheus.update(job_dict):
- return list(job_dict.keys())
+ job["vnfr_id"] = vnfr_id
+ return job_list
def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
"""
projects / osm / LCM.git / blobdiff