)
from osm_lcm import ROclient
+from osm_lcm.data_utils.nsr import get_deployed_kdu
from osm_lcm.ng_ro import NgRoClient, NgRoException
from osm_lcm.lcm_utils import (
LcmException,
get_scaling_aspect,
get_number_of_instances,
get_juju_ee_ref,
+ get_kdu_profile,
)
from osm_lcm.data_utils.list_utils import find_in_list
-from osm_lcm.data_utils.vnfr import get_osm_params, get_vdur_index
+from osm_lcm.data_utils.vnfr import get_osm_params, get_vdur_index, get_kdur
from osm_lcm.data_utils.dict_utils import parse_yaml_strings
from osm_lcm.data_utils.database.vim_account import VimAccountDB
from n2vc.k8s_helm_conn import K8sHelmConnector
from osm_lcm.data_utils.database.database import Database
from osm_lcm.data_utils.filesystem.filesystem import Filesystem
+from osm_lcm.data_utils.wim import (
+ get_sdn_ports,
+ get_target_wim_attrs,
+ select_feasible_wim_account,
+)
from n2vc.n2vc_juju_conn import N2VCJujuConnector
from n2vc.exceptions import N2VCException, N2VCNotFound, K8sException
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"]})
target_vld["vim_info"][target_sdn]["sdn-ports"] = vld_params[
"provider-network"
]["sdn-ports"]
- if vld_params.get("wimAccountId"):
- target_wim = "wim:{}".format(vld_params["wimAccountId"])
- target_vld["vim_info"][target_wim] = {}
+
+ # check if WIM is needed; if needed, choose a feasible WIM able to connect VIMs
+ # if wim_account_id is specified in vld_params, validate if it is feasible.
+ wim_account_id, db_wim = select_feasible_wim_account(
+ db_nsr, db_vnfrs, target_vld, vld_params, self.logger
+ )
+
+ if wim_account_id:
+ # WIM is needed and a feasible one was found, populate WIM target and SDN ports
+ self.logger.info("WIM selected: {:s}".format(str(wim_account_id)))
+ # update vld_params with correct WIM account Id
+ vld_params["wimAccountId"] = wim_account_id
+
+ target_wim = "wim:{}".format(wim_account_id)
+ target_wim_attrs = get_target_wim_attrs(nsr_id, target_vld, vld_params)
+ sdn_ports = get_sdn_ports(vld_params, db_wim)
+ if len(sdn_ports) > 0:
+ target_vld["vim_info"][target_wim] = target_wim_attrs
+ target_vld["vim_info"][target_wim]["sdn-ports"] = sdn_ports
+
+ self.logger.debug(
+ "Target VLD with WIM data: {:s}".format(str(target_vld))
+ )
+
for param in ("vim-network-name", "vim-network-id"):
if vld_params.get(param):
if isinstance(vld_params[param], dict):
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:
raise LcmException("Configuration aborted because dependent charm/s timeout")
def get_vca_id(self, db_vnfr: dict, db_nsr: dict):
- return deep_get(db_vnfr, ("vca-id",)) or deep_get(
- db_nsr, ("instantiate_params", "vcaId")
- )
+ vca_id = None
+ if db_vnfr:
+ vca_id = deep_get(db_vnfr, ("vca-id",))
+ elif db_nsr:
+ vim_account_id = deep_get(db_nsr, ("instantiate_params", "vimAccountId"))
+ vca_id = VimAccountDB.get_vim_account_with_id(vim_account_id).get("vca")
+ return vca_id
async def instantiate_N2VC(
self,
namespace = "{nsi}.{ns}".format(nsi=nsi_id if nsi_id else "", ns=nsr_id)
+ if vca_type == "native_charm":
+ index_number = 0
+ else:
+ index_number = vdu_index or 0
+
if vnfr_id:
element_type = "VNF"
element_under_configuration = vnfr_id
- namespace += ".{}-{}".format(vnfr_id, vdu_index or 0)
+ namespace += ".{}-{}".format(vnfr_id, index_number)
if vdu_id:
- namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
+ namespace += ".{}-{}".format(vdu_id, index_number)
element_type = "VDU"
- element_under_configuration = "{}-{}".format(vdu_id, vdu_index or 0)
+ element_under_configuration = "{}-{}".format(vdu_id, index_number)
osm_config["osm"]["vdu_id"] = vdu_id
elif kdu_name:
- namespace += ".{}.{}".format(kdu_name, vdu_index or 0)
+ namespace += ".{}".format(kdu_name)
element_type = "KDU"
element_under_configuration = kdu_name
osm_config["osm"]["kdu_name"] = kdu_name
config=config,
num_units=num_units,
vca_id=vca_id,
+ vca_type=vca_type,
)
# write in db flag of configuration_sw already installed
params_dict=primitive_params_,
db_dict=db_dict,
vca_id=vca_id,
+ vca_type=vca_type,
)
# Once some primitive has been exec, check and write at db if it needs to exec terminated primitives
if check_if_terminated_needed:
# 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"]
# 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_vdu["OSM"] = get_osm_params(
db_vnfr, vdu_id, vdu_count_index=0
)
- vdud_count = get_vdu_profile(vnfd, vdu_id).get(
- "max-number-of-instances", 1
- )
+ vdud_count = get_number_of_instances(vnfd, vdu_id)
self.logger.debug("VDUD > {}".format(vdud))
self.logger.debug(
)
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(
"path": nsr_db_path,
}
- kdu_instance = self.k8scluster_map[
- k8sclustertype
- ].generate_kdu_instance_name(
- db_dict=db_dict_install,
- kdu_model=k8s_instance_info["kdu-model"],
- kdu_name=k8s_instance_info["kdu-name"],
- )
+ if k8s_instance_info.get("kdu-deployment-name"):
+ kdu_instance = k8s_instance_info.get("kdu-deployment-name")
+ else:
+ kdu_instance = self.k8scluster_map[
+ k8sclustertype
+ ].generate_kdu_instance_name(
+ db_dict=db_dict_install,
+ kdu_model=k8s_instance_info["kdu-model"],
+ kdu_name=k8s_instance_info["kdu-name"],
+ )
self.update_db_2(
"nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance}
)
if kdud["name"] == kdur["kdu-name"]
)
namespace = kdur.get("k8s-namespace")
+ kdu_deployment_name = kdur.get("kdu-deployment-name")
if kdur.get("helm-chart"):
kdumodel = kdur["helm-chart"]
# Default version: helm3, if helm-version is v2 assign v2
"kdu-name": kdur["kdu-name"],
"kdu-model": kdumodel,
"namespace": namespace,
+ "kdu-deployment-name": kdu_deployment_name,
}
db_path = "_admin.deployed.K8s.{}".format(index)
db_nsr_update[db_path] = k8s_instance_info
)
if "execution-environment-list" in descriptor_config:
ee_list = descriptor_config.get("execution-environment-list", [])
+ elif "juju" in descriptor_config:
+ ee_list = [descriptor_config] # ns charms
else: # other types as script are not supported
ee_list = []
await self.vca_map[vca_type].delete_execution_environment(
vca_deployed["ee_id"],
scaling_in=scaling_in,
+ vca_type=vca_type,
vca_id=vca_id,
)
for vca_index, vca in enumerate(get_iterable(nsr_deployed, "VCA")):
config_descriptor = None
-
- vca_id = self.get_vca_id(db_vnfrs_dict[vca["member-vnf-index"]], db_nsr)
+ vca_member_vnf_index = vca.get("member-vnf-index")
+ vca_id = self.get_vca_id(
+ db_vnfrs_dict.get(vca_member_vnf_index)
+ if vca_member_vnf_index
+ else None,
+ db_nsr,
+ )
if not vca or not vca.get("ee_id"):
continue
if not vca.get("member-vnf-index"):
total_timeout=self.timeout_primitive,
db_dict=db_dict,
vca_id=vca_id,
+ vca_type=vca_type,
),
timeout=timeout or self.timeout_primitive,
)
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"]})
else:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
nsr_deployed = db_nsr["_admin"].get("deployed")
- #######
- nsr_deployed = db_nsr["_admin"].get("deployed")
- vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
- # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
- # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
- # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
- #######
-
vnf_index = db_nslcmop["operationParams"]["scaleVnfData"][
"scaleByStepData"
]["member-vnf-index"]
db_nsr_update[
"_admin.scaling-group.{}.name".format(admin_scale_index)
] = scaling_group
- RO_scaling_info = []
- VCA_scaling_info = []
- vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
+
+ vca_scaling_info = []
+ scaling_info = {"scaling_group_name": scaling_group, "vdu": [], "kdu": []}
if scaling_type == "SCALE_OUT":
if "aspect-delta-details" not in scaling_descriptor:
raise LcmException(
# count if max-instance-count is reached
deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
- vdu_scaling_info["scaling_direction"] = "OUT"
- vdu_scaling_info["vdu-create"] = {}
+ scaling_info["scaling_direction"] = "OUT"
+ scaling_info["vdu-create"] = {}
+ scaling_info["kdu-create"] = {}
for delta in deltas:
- for vdu_delta in delta["vdu-delta"]:
+ for vdu_delta in delta.get("vdu-delta", {}):
vdud = get_vdu(db_vnfd, vdu_delta["id"])
- vdu_index = get_vdur_index(db_vnfr, vdu_delta)
+ # vdu_index also provides the number of instance of the targeted vdu
+ vdu_count = vdu_index = get_vdur_index(db_vnfr, vdu_delta)
cloud_init_text = self._get_vdu_cloud_init_content(
vdud, db_vnfd
)
default_instance_num = get_number_of_instances(
db_vnfd, vdud["id"]
)
+ instances_number = vdu_delta.get("number-of-instances", 1)
+ nb_scale_op += instances_number
+
+ new_instance_count = nb_scale_op + default_instance_num
+ # Control if new count is over max and vdu count is less than max.
+ # Then assign new instance count
+ if new_instance_count > max_instance_count > vdu_count:
+ instances_number = new_instance_count - max_instance_count
+ else:
+ instances_number = instances_number
- nb_scale_op += vdu_delta.get("number-of-instances", 1)
-
- if nb_scale_op + default_instance_num > max_instance_count:
+ if new_instance_count > max_instance_count:
raise LcmException(
"reached the limit of {} (max-instance-count) "
"scaling-out operations for the "
vdud["id"],
)
)
- VCA_scaling_info.append(
+ vca_scaling_info.append(
{
"osm_vdu_id": vdu_delta["id"],
"member-vnf-index": vnf_index,
"vdu_index": vdu_index + x,
}
)
- RO_scaling_info.append(
+ scaling_info["vdu-create"][vdu_delta["id"]] = instances_number
+ for kdu_delta in delta.get("kdu-resource-delta", {}):
+ kdu_profile = get_kdu_profile(db_vnfd, kdu_delta["id"])
+ kdu_name = kdu_profile["kdu-name"]
+ resource_name = kdu_profile["resource-name"]
+
+ # Might have different kdus in the same delta
+ # Should have list for each kdu
+ if not scaling_info["kdu-create"].get(kdu_name, None):
+ scaling_info["kdu-create"][kdu_name] = []
+
+ kdur = get_kdur(db_vnfr, kdu_name)
+ if kdur.get("helm-chart"):
+ k8s_cluster_type = "helm-chart-v3"
+ self.logger.debug("kdur: {}".format(kdur))
+ if (
+ kdur.get("helm-version")
+ and kdur.get("helm-version") == "v2"
+ ):
+ k8s_cluster_type = "helm-chart"
+ raise NotImplementedError
+ elif kdur.get("juju-bundle"):
+ k8s_cluster_type = "juju-bundle"
+ else:
+ raise LcmException(
+ "kdu type for kdu='{}.{}' is neither helm-chart nor "
+ "juju-bundle. Maybe an old NBI version is running".format(
+ db_vnfr["member-vnf-index-ref"], kdu_name
+ )
+ )
+
+ max_instance_count = 10
+ if kdu_profile and "max-number-of-instances" in kdu_profile:
+ max_instance_count = kdu_profile.get(
+ "max-number-of-instances", 10
+ )
+
+ nb_scale_op += kdu_delta.get("number-of-instances", 1)
+ deployed_kdu, _ = get_deployed_kdu(
+ nsr_deployed, kdu_name, vnf_index
+ )
+ if deployed_kdu is None:
+ raise LcmException(
+ "KDU '{}' for vnf '{}' not deployed".format(
+ kdu_name, vnf_index
+ )
+ )
+ 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)
+ kdu_replica_count = instance_num + kdu_delta.get(
+ "number-of-instances", 1
+ )
+
+ # Control if new count is over max and instance_num is less than max.
+ # Then assign max instance number to kdu replica count
+ if kdu_replica_count > max_instance_count > instance_num:
+ kdu_replica_count = max_instance_count
+ if kdu_replica_count > max_instance_count:
+ raise LcmException(
+ "reached the limit of {} (max-instance-count) "
+ "scaling-out operations for the "
+ "scaling-group-descriptor '{}'".format(
+ instance_num, scaling_group
+ )
+ )
+
+ for x in range(kdu_delta.get("number-of-instances", 1)):
+ vca_scaling_info.append(
+ {
+ "osm_kdu_id": kdu_name,
+ "member-vnf-index": vnf_index,
+ "type": "create",
+ "kdu_index": instance_num + x - 1,
+ }
+ )
+ scaling_info["kdu-create"][kdu_name].append(
{
- "osm_vdu_id": vdu_delta["id"],
"member-vnf-index": vnf_index,
"type": "create",
- "count": vdu_delta.get("number-of-instances", 1),
+ "k8s-cluster-type": k8s_cluster_type,
+ "resource-name": resource_name,
+ "scale": kdu_replica_count,
}
)
- if cloud_init_list:
- RO_scaling_info[-1]["cloud_init"] = cloud_init_list
- vdu_scaling_info["vdu-create"][vdu_delta["id"]] = vdu_delta.get(
- "number-of-instances", 1
- )
-
elif scaling_type == "SCALE_IN":
- if (
- "min-instance-count" in scaling_descriptor
- and scaling_descriptor["min-instance-count"] is not None
- ):
- min_instance_count = int(scaling_descriptor["min-instance-count"])
-
- vdu_scaling_info["scaling_direction"] = "IN"
- vdu_scaling_info["vdu-delete"] = {}
deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
+
+ scaling_info["scaling_direction"] = "IN"
+ scaling_info["vdu-delete"] = {}
+ scaling_info["kdu-delete"] = {}
+
for delta in deltas:
- for vdu_delta in delta["vdu-delta"]:
- vdu_index = get_vdur_index(db_vnfr, vdu_delta)
+ for vdu_delta in delta.get("vdu-delta", {}):
+ vdu_count = vdu_index = get_vdur_index(db_vnfr, vdu_delta)
min_instance_count = 0
vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
if vdu_profile and "min-number-of-instances" in vdu_profile:
default_instance_num = get_number_of_instances(
db_vnfd, vdu_delta["id"]
)
+ instance_num = vdu_delta.get("number-of-instances", 1)
+ nb_scale_op -= instance_num
- nb_scale_op -= vdu_delta.get("number-of-instances", 1)
- if nb_scale_op + default_instance_num < min_instance_count:
+ new_instance_count = nb_scale_op + default_instance_num
+
+ if new_instance_count < min_instance_count < vdu_count:
+ instances_number = min_instance_count - new_instance_count
+ else:
+ instances_number = instance_num
+
+ if new_instance_count < 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
)
)
- RO_scaling_info.append(
- {
- "osm_vdu_id": vdu_delta["id"],
- "member-vnf-index": vnf_index,
- "type": "delete",
- "count": vdu_delta.get("number-of-instances", 1),
- "vdu_index": vdu_index - 1,
- }
- )
for x in range(vdu_delta.get("number-of-instances", 1)):
- VCA_scaling_info.append(
+ vca_scaling_info.append(
{
"osm_vdu_id": vdu_delta["id"],
"member-vnf-index": vnf_index,
"vdu_index": vdu_index - 1 - x,
}
)
- vdu_scaling_info["vdu-delete"][vdu_delta["id"]] = vdu_delta.get(
+ scaling_info["vdu-delete"][vdu_delta["id"]] = instances_number
+ for kdu_delta in delta.get("kdu-resource-delta", {}):
+ kdu_profile = get_kdu_profile(db_vnfd, kdu_delta["id"])
+ kdu_name = kdu_profile["kdu-name"]
+ resource_name = kdu_profile["resource-name"]
+
+ if not scaling_info["kdu-delete"].get(kdu_name, None):
+ scaling_info["kdu-delete"][kdu_name] = []
+
+ kdur = get_kdur(db_vnfr, kdu_name)
+ if kdur.get("helm-chart"):
+ k8s_cluster_type = "helm-chart-v3"
+ self.logger.debug("kdur: {}".format(kdur))
+ if (
+ kdur.get("helm-version")
+ and kdur.get("helm-version") == "v2"
+ ):
+ k8s_cluster_type = "helm-chart"
+ raise NotImplementedError
+ elif kdur.get("juju-bundle"):
+ k8s_cluster_type = "juju-bundle"
+ else:
+ raise LcmException(
+ "kdu type for kdu='{}.{}' is neither helm-chart nor "
+ "juju-bundle. Maybe an old NBI version is running".format(
+ db_vnfr["member-vnf-index-ref"], kdur["kdu-name"]
+ )
+ )
+
+ min_instance_count = 0
+ if kdu_profile and "min-number-of-instances" in kdu_profile:
+ min_instance_count = kdu_profile["min-number-of-instances"]
+
+ nb_scale_op -= kdu_delta.get("number-of-instances", 1)
+ deployed_kdu, _ = get_deployed_kdu(
+ nsr_deployed, kdu_name, vnf_index
+ )
+ if deployed_kdu is None:
+ raise LcmException(
+ "KDU '{}' for vnf '{}' not deployed".format(
+ kdu_name, vnf_index
+ )
+ )
+ 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)
+ kdu_replica_count = instance_num - kdu_delta.get(
"number-of-instances", 1
)
+ if kdu_replica_count < min_instance_count < instance_num:
+ kdu_replica_count = min_instance_count
+ if kdu_replica_count < min_instance_count:
+ raise LcmException(
+ "reached the limit of {} (min-instance-count) scaling-in operations for the "
+ "scaling-group-descriptor '{}'".format(
+ instance_num, scaling_group
+ )
+ )
+
+ for x in range(kdu_delta.get("number-of-instances", 1)):
+ vca_scaling_info.append(
+ {
+ "osm_kdu_id": kdu_name,
+ "member-vnf-index": vnf_index,
+ "type": "delete",
+ "kdu_index": instance_num - x - 1,
+ }
+ )
+ scaling_info["kdu-delete"][kdu_name].append(
+ {
+ "member-vnf-index": vnf_index,
+ "type": "delete",
+ "k8s-cluster-type": k8s_cluster_type,
+ "resource-name": resource_name,
+ "scale": kdu_replica_count,
+ }
+ )
+
# update VDU_SCALING_INFO with the VDUs to delete ip_addresses
- vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
- if vdu_scaling_info["scaling_direction"] == "IN":
+ vdu_delete = copy(scaling_info.get("vdu-delete"))
+ if scaling_info["scaling_direction"] == "IN":
for vdur in reversed(db_vnfr["vdur"]):
if vdu_delete.get(vdur["vdu-id-ref"]):
vdu_delete[vdur["vdu-id-ref"]] -= 1
- vdu_scaling_info["vdu"].append(
+ scaling_info["vdu"].append(
{
"name": vdur.get("name") or vdur.get("vdu-name"),
"vdu_id": vdur["vdu-id-ref"],
}
)
for interface in vdur["interfaces"]:
- vdu_scaling_info["vdu"][-1]["interface"].append(
+ scaling_info["vdu"][-1]["interface"].append(
{
"name": interface["name"],
"ip_address": interface["ip-address"],
"primitive".format(scaling_group, vnf_config_primitive)
)
- vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
+ vnfr_params = {"VDU_SCALE_INFO": scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
# Pre-scale retry check: Check if this sub-operation has been executed before
op_index = self._check_or_add_scale_suboperation(
db_nslcmop,
- nslcmop_id,
vnf_index,
vnf_config_primitive,
primitive_params,
] = time()
# SCALE-IN VCA - BEGIN
- if VCA_scaling_info:
+ if vca_scaling_info:
step = db_nslcmop_update[
"detailed-status"
] = "Deleting the execution environments"
scale_process = "VCA"
- for vdu_info in VCA_scaling_info:
- if vdu_info["type"] == "delete":
- member_vnf_index = str(vdu_info["member-vnf-index"])
+ for vca_info in vca_scaling_info:
+ if vca_info["type"] == "delete":
+ member_vnf_index = str(vca_info["member-vnf-index"])
self.logger.debug(
- logging_text + "vdu info: {}".format(vdu_info)
- )
- vdu_id = vdu_info["osm_vdu_id"]
- vdu_index = int(vdu_info["vdu_index"])
- stage[
- 1
- ] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
- member_vnf_index, vdu_id, vdu_index
+ logging_text + "vdu info: {}".format(vca_info)
)
+ if vca_info.get("osm_vdu_id"):
+ vdu_id = vca_info["osm_vdu_id"]
+ vdu_index = int(vca_info["vdu_index"])
+ stage[
+ 1
+ ] = "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"]
# SCALE-IN VCA - END
# SCALE RO - BEGIN
- if RO_scaling_info:
+ if scaling_info.get("vdu-create") or scaling_info.get("vdu-delete"):
scale_process = "RO"
if self.ro_config.get("ng"):
await self._scale_ng_ro(
- logging_text,
- db_nsr,
- db_nslcmop,
- db_vnfr,
- vdu_scaling_info,
- stage,
+ logging_text, db_nsr, db_nslcmop, db_vnfr, scaling_info, stage
)
- vdu_scaling_info.pop("vdu-create", None)
- vdu_scaling_info.pop("vdu-delete", None)
+ scaling_info.pop("vdu-create", None)
+ scaling_info.pop("vdu-delete", None)
scale_process = None
+ # SCALE RO - END
+
+ # SCALE KDU - BEGIN
+ if scaling_info.get("kdu-create") or scaling_info.get("kdu-delete"):
+ scale_process = "KDU"
+ await self._scale_kdu(
+ logging_text, nsr_id, nsr_deployed, db_vnfd, vca_id, scaling_info
+ )
+ scaling_info.pop("kdu-create", None)
+ scaling_info.pop("kdu-delete", None)
+
+ scale_process = None
+ # SCALE KDU - END
+
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
- # SCALE RO - END
# SCALE-UP VCA - BEGIN
- if VCA_scaling_info:
+ if vca_scaling_info:
step = db_nslcmop_update[
"detailed-status"
] = "Creating new execution environments"
scale_process = "VCA"
- for vdu_info in VCA_scaling_info:
- if vdu_info["type"] == "create":
- member_vnf_index = str(vdu_info["member-vnf-index"])
+ for vca_info in vca_scaling_info:
+ if vca_info["type"] == "create":
+ member_vnf_index = str(vca_info["member-vnf-index"])
self.logger.debug(
- logging_text + "vdu info: {}".format(vdu_info)
+ logging_text + "vdu info: {}".format(vca_info)
)
vnfd_id = db_vnfr["vnfd-ref"]
- vdu_index = int(vdu_info["vdu_index"])
- deploy_params = {"OSM": get_osm_params(db_vnfr)}
- if db_vnfr.get("additionalParamsForVnf"):
- deploy_params.update(
- parse_yaml_strings(
- db_vnfr["additionalParamsForVnf"].copy()
+ if vca_info.get("osm_vdu_id"):
+ vdu_index = int(vca_info["vdu_index"])
+ deploy_params = {"OSM": get_osm_params(db_vnfr)}
+ if db_vnfr.get("additionalParamsForVnf"):
+ deploy_params.update(
+ parse_yaml_strings(
+ db_vnfr["additionalParamsForVnf"].copy()
+ )
)
+ descriptor_config = get_configuration(
+ db_vnfd, db_vnfd["id"]
)
- descriptor_config = get_configuration(db_vnfd, db_vnfd["id"])
- if descriptor_config:
- vdu_id = None
- vdu_name = None
- kdu_name = None
- self._deploy_n2vc(
- logging_text=logging_text
- + "member_vnf_index={} ".format(member_vnf_index),
- db_nsr=db_nsr,
- db_vnfr=db_vnfr,
- nslcmop_id=nslcmop_id,
- nsr_id=nsr_id,
- nsi_id=nsi_id,
- vnfd_id=vnfd_id,
- vdu_id=vdu_id,
- kdu_name=kdu_name,
- member_vnf_index=member_vnf_index,
- vdu_index=vdu_index,
- vdu_name=vdu_name,
- deploy_params=deploy_params,
- descriptor_config=descriptor_config,
- base_folder=base_folder,
- task_instantiation_info=tasks_dict_info,
- stage=stage,
- )
- vdu_id = vdu_info["osm_vdu_id"]
- vdur = find_in_list(
- db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id
- )
- descriptor_config = get_configuration(db_vnfd, vdu_id)
- if vdur.get("additionalParams"):
- deploy_params_vdu = parse_yaml_strings(
- vdur["additionalParams"]
+ if descriptor_config:
+ vdu_id = None
+ vdu_name = None
+ kdu_name = None
+ self._deploy_n2vc(
+ logging_text=logging_text
+ + "member_vnf_index={} ".format(member_vnf_index),
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ nslcmop_id=nslcmop_id,
+ nsr_id=nsr_id,
+ nsi_id=nsi_id,
+ vnfd_id=vnfd_id,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ member_vnf_index=member_vnf_index,
+ vdu_index=vdu_index,
+ vdu_name=vdu_name,
+ deploy_params=deploy_params,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_info=tasks_dict_info,
+ stage=stage,
+ )
+ vdu_id = vca_info["osm_vdu_id"]
+ vdur = find_in_list(
+ db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id
)
- else:
- deploy_params_vdu = deploy_params
- deploy_params_vdu["OSM"] = get_osm_params(
- db_vnfr, vdu_id, vdu_count_index=vdu_index
- )
- if descriptor_config:
- vdu_name = None
- kdu_name = None
- stage[
- 1
- ] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
- member_vnf_index, vdu_id, vdu_index
+ descriptor_config = get_configuration(db_vnfd, vdu_id)
+ if vdur.get("additionalParams"):
+ deploy_params_vdu = parse_yaml_strings(
+ vdur["additionalParams"]
+ )
+ else:
+ deploy_params_vdu = deploy_params
+ deploy_params_vdu["OSM"] = get_osm_params(
+ db_vnfr, vdu_id, vdu_count_index=vdu_index
)
- stage[2] = step = "Scaling out VCA"
- self._write_op_status(op_id=nslcmop_id, stage=stage)
- self._deploy_n2vc(
- logging_text=logging_text
- + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
+ if descriptor_config:
+ vdu_name = None
+ kdu_name = None
+ stage[
+ 1
+ ] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
member_vnf_index, vdu_id, vdu_index
- ),
- db_nsr=db_nsr,
- db_vnfr=db_vnfr,
- nslcmop_id=nslcmop_id,
- nsr_id=nsr_id,
- nsi_id=nsi_id,
- vnfd_id=vnfd_id,
- vdu_id=vdu_id,
- kdu_name=kdu_name,
- member_vnf_index=member_vnf_index,
- vdu_index=vdu_index,
- vdu_name=vdu_name,
- deploy_params=deploy_params_vdu,
- descriptor_config=descriptor_config,
- base_folder=base_folder,
- task_instantiation_info=tasks_dict_info,
- stage=stage,
- )
+ )
+ stage[2] = step = "Scaling out VCA"
+ self._write_op_status(op_id=nslcmop_id, stage=stage)
+ self._deploy_n2vc(
+ logging_text=logging_text
+ + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
+ member_vnf_index, vdu_id, vdu_index
+ ),
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ nslcmop_id=nslcmop_id,
+ nsr_id=nsr_id,
+ nsi_id=nsi_id,
+ vnfd_id=vnfd_id,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ member_vnf_index=member_vnf_index,
+ vdu_index=vdu_index,
+ vdu_name=vdu_name,
+ deploy_params=deploy_params_vdu,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_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
vnf_config_primitive
)
- vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
+ vnfr_params = {"VDU_SCALE_INFO": scaling_info}
if db_vnfr.get("additionalParamsForVnf"):
vnfr_params.update(db_vnfr["additionalParamsForVnf"])
# Post-scale retry check: Check if this sub-operation has been executed before
op_index = self._check_or_add_scale_suboperation(
db_nslcmop,
- nslcmop_id,
vnf_index,
vnf_config_primitive,
primitive_params,
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")
+ async def _scale_kdu(
+ self, logging_text, nsr_id, nsr_deployed, db_vnfd, vca_id, scaling_info
+ ):
+ _scaling_info = scaling_info.get("kdu-create") or scaling_info.get("kdu-delete")
+ for kdu_name in _scaling_info:
+ for kdu_scaling_info in _scaling_info[kdu_name]:
+ deployed_kdu, index = get_deployed_kdu(
+ nsr_deployed, kdu_name, kdu_scaling_info["member-vnf-index"]
+ )
+ cluster_uuid = deployed_kdu["k8scluster-uuid"]
+ kdu_instance = deployed_kdu["kdu-instance"]
+ scale = int(kdu_scaling_info["scale"])
+ k8s_cluster_type = kdu_scaling_info["k8s-cluster-type"]
+
+ db_dict = {
+ "collection": "nsrs",
+ "filter": {"_id": nsr_id},
+ "path": "_admin.deployed.K8s.{}".format(index),
+ }
+
+ step = "scaling application {}".format(
+ kdu_scaling_info["resource-name"]
+ )
+ self.logger.debug(logging_text + step)
+
+ if kdu_scaling_info["type"] == "delete":
+ kdu_config = get_configuration(db_vnfd, kdu_name)
+ if (
+ kdu_config
+ and kdu_config.get("terminate-config-primitive")
+ and get_juju_ee_ref(db_vnfd, kdu_name) is None
+ ):
+ terminate_config_primitive_list = kdu_config.get(
+ "terminate-config-primitive"
+ )
+ terminate_config_primitive_list.sort(
+ key=lambda val: int(val["seq"])
+ )
+
+ for (
+ terminate_config_primitive
+ ) in terminate_config_primitive_list:
+ primitive_params_ = self._map_primitive_params(
+ terminate_config_primitive, {}, {}
+ )
+ step = "execute terminate config primitive"
+ self.logger.debug(logging_text + step)
+ await asyncio.wait_for(
+ self.k8scluster_map[k8s_cluster_type].exec_primitive(
+ cluster_uuid=cluster_uuid,
+ kdu_instance=kdu_instance,
+ primitive_name=terminate_config_primitive["name"],
+ params=primitive_params_,
+ db_dict=db_dict,
+ vca_id=vca_id,
+ ),
+ timeout=600,
+ )
+
+ await asyncio.wait_for(
+ self.k8scluster_map[k8s_cluster_type].scale(
+ kdu_instance,
+ scale,
+ kdu_scaling_info["resource-name"],
+ vca_id=vca_id,
+ ),
+ timeout=self.timeout_vca_on_error,
+ )
+
+ if kdu_scaling_info["type"] == "create":
+ kdu_config = get_configuration(db_vnfd, kdu_name)
+ if (
+ kdu_config
+ and kdu_config.get("initial-config-primitive")
+ and get_juju_ee_ref(db_vnfd, kdu_name) is None
+ ):
+ initial_config_primitive_list = kdu_config.get(
+ "initial-config-primitive"
+ )
+ initial_config_primitive_list.sort(
+ key=lambda val: int(val["seq"])
+ )
+
+ for initial_config_primitive in initial_config_primitive_list:
+ primitive_params_ = self._map_primitive_params(
+ initial_config_primitive, {}, {}
+ )
+ step = "execute initial config primitive"
+ self.logger.debug(logging_text + step)
+ await asyncio.wait_for(
+ self.k8scluster_map[k8s_cluster_type].exec_primitive(
+ cluster_uuid=cluster_uuid,
+ kdu_instance=kdu_instance,
+ primitive_name=initial_config_primitive["name"],
+ params=primitive_params_,
+ db_dict=db_dict,
+ vca_id=vca_id,
+ ),
+ timeout=600,
+ )
+
async def _scale_ng_ro(
self, logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage
):