##
import asyncio
+import shutil
from typing import Any, Dict, List
import yaml
import logging
deep_get,
get_iterable,
populate_dict,
+ check_juju_bundle_existence,
+ get_charm_artifact_path,
)
from osm_lcm.data_utils.nsd import (
get_ns_configuration_relation_list,
get_number_of_instances,
get_juju_ee_ref,
get_kdu_resource_profile,
+ find_software_version,
)
from osm_lcm.data_utils.list_utils import find_in_list
-from osm_lcm.data_utils.vnfr import get_osm_params, get_vdur_index, get_kdur
+from osm_lcm.data_utils.vnfr import (
+ get_osm_params,
+ get_vdur_index,
+ get_kdur,
+ get_volumes_from_instantiation_params,
+)
from osm_lcm.data_utils.dict_utils import parse_yaml_strings
from osm_lcm.data_utils.database.vim_account import VimAccountDB
from n2vc.definitions import RelationEndpoint
) # Time for charm from first time at blocked,error status to mark as failed
timeout_ns_deploy = 2 * 3600 # default global timeout for deployment a ns
timeout_ns_terminate = 1800 # default global timeout for un deployment a ns
+ timeout_ns_heal = 1800 # default global timeout for un deployment a ns
timeout_charm_delete = 10 * 60
timeout_primitive = 30 * 60 # timeout for primitive execution
+ timeout_ns_update = 30 * 60 # timeout for ns update
timeout_progress_primitive = (
10 * 60
) # timeout for some progress in a primitive execution
-
+ timeout_migrate = 1800 # default global timeout for migrating vnfs
+ timeout_operate = 1800 # default global timeout for migrating vnfs
SUBOPERATION_STATUS_NOT_FOUND = -1
SUBOPERATION_STATUS_NEW = -2
SUBOPERATION_STATUS_SKIP = -3
# create RO client
self.RO = NgRoClient(self.loop, **self.ro_config)
+ self.op_status_map = {
+ "instantiation": self.RO.status,
+ "termination": self.RO.status,
+ "migrate": self.RO.status,
+ "healing": self.RO.recreate_status,
+ }
+
@staticmethod
def increment_ip_mac(ip_mac, vm_index=1):
if not isinstance(ip_mac, str):
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)
)
if not vdur:
# Read the template saved in the db:
- self.logger.debug(f"No vdur in the database. Using the vdur-template to scale")
+ self.logger.debug(
+ "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
+ "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']}}
- )
+ # 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"
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")
+ self.logger.debug(
+ "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:
get_iterable(vdur, "interfaces"),
lambda iface: iface.get("ns-vld-id") == a_vld["name"],
)
+
+ vld_params = find_in_list(
+ get_iterable(ns_params, "vld"),
+ lambda v_vld: v_vld["name"] in (a_vld["name"], a_vld["id"]),
+ )
if target_vld:
+
if vnf_params.get("vimAccountId") not in a_vld.get(
"vim_info", {}
):
+ target_vim_network_list = [
+ v for _, v in a_vld.get("vim_info").items()
+ ]
+ target_vim_network_name = next(
+ (
+ item.get("vim_network_name", "")
+ for item in target_vim_network_list
+ ),
+ "",
+ )
+
target["ns"]["vld"][a_index].get("vim_info").update(
{
"vim:{}".format(vnf_params["vimAccountId"]): {
- "vim_network_name": ""
+ "vim_network_name": target_vim_network_name,
}
}
)
+ if vld_params:
+ for param in ("vim-network-name", "vim-network-id"):
+ if vld_params.get(param) and isinstance(
+ vld_params[param], dict
+ ):
+ for vim, vim_net in vld_params[
+ param
+ ].items():
+ other_target_vim = "vim:" + vim
+ populate_dict(
+ target["ns"]["vld"][a_index].get(
+ "vim_info"
+ ),
+ (
+ other_target_vim,
+ param.replace("-", "_"),
+ ),
+ vim_net,
+ )
+
nslcmop_id = db_nslcmop["_id"]
target = {
"name": db_nsr["name"],
vdur["vim_info"] = {target_vim: {}}
# instantiation parameters
- # if vnf_params:
- # vdu_instantiation_params = next((v for v in get_iterable(vnf_params, "vdu") if v["id"] ==
- # vdud["id"]), None)
+ if vnf_params:
+ vdu_instantiation_params = find_in_list(
+ get_iterable(vnf_params, "vdu"),
+ lambda i_vdu: i_vdu["id"] == vdud["id"],
+ )
+ if vdu_instantiation_params:
+ # Parse the vdu_volumes from the instantiation params
+ vdu_volumes = get_volumes_from_instantiation_params(
+ vdu_instantiation_params, vdud
+ )
+ vdur["additionalParams"]["OSM"]["vdu_volumes"] = vdu_volumes
vdur_list.append(vdur)
target_vnf["vdur"] = vdur_list
target["vnf"].append(target_vnf)
+ self.logger.debug("Send to RO > nsr_id={} target={}".format(nsr_id, target))
desc = await self.RO.deploy(nsr_id, target)
self.logger.debug("RO return > {}".format(desc))
action_id = desc["action_id"]
await self._wait_ng_ro(
- nsr_id, action_id, nslcmop_id, start_deploy, timeout_ns_deploy, stage
+ nsr_id, action_id, nslcmop_id, start_deploy, timeout_ns_deploy, stage,
+ operation="instantiation"
)
# Updating NSR
start_time=None,
timeout=600,
stage=None,
+ operation=None,
):
detailed_status_old = None
db_nsr_update = {}
start_time = start_time or time()
while time() <= start_time + timeout:
- desc_status = await self.RO.status(nsr_id, action_id)
+ desc_status = await self.op_status_map[operation](nsr_id, action_id)
self.logger.debug("Wait NG RO > {}".format(desc_status))
if desc_status["status"] == "FAILED":
raise NgRoException(desc_status["details"])
# wait until done
delete_timeout = 20 * 60 # 20 minutes
await self._wait_ng_ro(
- nsr_id, action_id, nslcmop_id, start_deploy, delete_timeout, stage
+ nsr_id, action_id, nslcmop_id, start_deploy, delete_timeout, stage,
+ operation="termination"
)
db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
}
desc = await self.RO.deploy(nsr_id, target)
action_id = desc["action_id"]
- await self._wait_ng_ro(nsr_id, action_id, timeout=600)
+ await self._wait_ng_ro(nsr_id, action_id, timeout=600, operation="instantiation")
break
else:
# wait until NS is deployed at RO
step = "Waiting to VM being up and getting IP address"
self.logger.debug(logging_text + step)
+ # default rw_mgmt_ip to None, avoiding the non definition of the variable
+ rw_mgmt_ip = None
+
# n2vc_redesign STEP 5.1
# wait for RO (ip-address) Insert pub_key into VM
if vnfr_id:
},
vca_id=vca_id,
)
- else:
+
+ # This verification is needed in order to avoid trying to add a public key
+ # to a VM, when the VNF is a KNF (in the edge case where the user creates a VCA
+ # for a KNF and not for its KDUs, the previous verification gives False, and the code
+ # jumps to this block, meaning that there is the need to verify if the VNF is actually a VNF
+ # or it is a KNF)
+ elif db_vnfr.get('vdur'):
rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(
logging_text,
nsr_id,
pub_key=pub_key,
)
- else:
- rw_mgmt_ip = None # This is for a NS configuration
-
self.logger.debug(logging_text + " VM_ip_address={}".format(rw_mgmt_ip))
# store rw_mgmt_ip in deploy params for later replacement
kdu_model=k8s_instance_info["kdu-model"],
kdu_name=k8s_instance_info["kdu-name"],
)
+
+ # Update the nsrs table with the kdu-instance value
self.update_db_2(
- "nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance}
+ item="nsrs",
+ _id=nsr_id,
+ _desc={nsr_db_path + ".kdu-instance": kdu_instance},
)
+
+ # Update the nsrs table with the actual namespace being used, if the k8scluster-type is `juju` or
+ # `juju-bundle`. This verification is needed because there is not a standard/homogeneous namespace
+ # between the Helm Charts and Juju Bundles-based KNFs. If we found a way of having an homogeneous
+ # namespace, this first verification could be removed, and the next step would be done for any kind
+ # of KNF.
+ # TODO -> find a way to have an homogeneous namespace between the Helm Charts and Juju Bundles-based
+ # KNFs (Bug 2027: https://osm.etsi.org/bugzilla/show_bug.cgi?id=2027)
+ if k8sclustertype in ("juju", "juju-bundle"):
+ # First, verify if the current namespace is present in the `_admin.projects_read` (if not, it means
+ # that the user passed a namespace which he wants its KDU to be deployed in)
+ if (
+ self.db.count(
+ table="nsrs",
+ q_filter={
+ "_id": nsr_id,
+ "_admin.projects_write": k8s_instance_info["namespace"],
+ "_admin.projects_read": k8s_instance_info["namespace"],
+ },
+ )
+ > 0
+ ):
+ self.logger.debug(
+ f"Updating namespace/model for Juju Bundle from {k8s_instance_info['namespace']} to {kdu_instance}"
+ )
+ self.update_db_2(
+ item="nsrs",
+ _id=nsr_id,
+ _desc={f"{nsr_db_path}.namespace": kdu_instance},
+ )
+ k8s_instance_info["namespace"] = kdu_instance
+
await self.k8scluster_map[k8sclustertype].install(
cluster_uuid=k8s_instance_info["k8scluster-uuid"],
kdu_model=k8s_instance_info["kdu-model"],
kdu_instance=kdu_instance,
vca_id=vca_id,
)
- self.update_db_2(
- "nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance}
- )
# Obtain services to obtain management service ip
services = await self.k8scluster_map[k8sclustertype].get_services(
vnfd_with_id,
k8s_instance_info,
k8params=desc_params,
- timeout=600,
+ timeout=1800,
vca_id=vca_id,
)
)
cluster_uuid=kdu.get("k8scluster-uuid"),
kdu_instance=kdu_instance,
vca_id=vca_id,
+ namespace=kdu.get("namespace"),
)
)
else:
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
return nslcmop_operation_state, detailed_status
- async def scale(self, nsr_id, nslcmop_id):
+ async def terminate_vdus(
+ self, db_vnfr, member_vnf_index, db_nsr, update_db_nslcmops, stage, logging_text
+ ):
+ """This method terminates VDUs
+
+ Args:
+ db_vnfr: VNF instance record
+ member_vnf_index: VNF index to identify the VDUs to be removed
+ db_nsr: NS instance record
+ update_db_nslcmops: Nslcmop update record
+ """
+ vca_scaling_info = []
+ scaling_info = {"scaling_group_name": "vdu_autoscale", "vdu": [], "kdu": []}
+ scaling_info["scaling_direction"] = "IN"
+ scaling_info["vdu-delete"] = {}
+ scaling_info["kdu-delete"] = {}
+ db_vdur = db_vnfr.get("vdur")
+ vdur_list = copy(db_vdur)
+ count_index = 0
+ for index, vdu in enumerate(vdur_list):
+ vca_scaling_info.append(
+ {
+ "osm_vdu_id": vdu["vdu-id-ref"],
+ "member-vnf-index": member_vnf_index,
+ "type": "delete",
+ "vdu_index": count_index,
+ })
+ scaling_info["vdu-delete"][vdu["vdu-id-ref"]] = count_index
+ scaling_info["vdu"].append(
+ {
+ "name": vdu.get("name") or vdu.get("vdu-name"),
+ "vdu_id": vdu["vdu-id-ref"],
+ "interface": [],
+ })
+ for interface in vdu["interfaces"]:
+ scaling_info["vdu"][index]["interface"].append(
+ {
+ "name": interface["name"],
+ "ip_address": interface["ip-address"],
+ "mac_address": interface.get("mac-address"),
+ })
+ self.logger.info("NS update scaling info{}".format(scaling_info))
+ stage[2] = "Terminating VDUs"
+ if scaling_info.get("vdu-delete"):
+ # scale_process = "RO"
+ if self.ro_config.get("ng"):
+ await self._scale_ng_ro(
+ logging_text, db_nsr, update_db_nslcmops, db_vnfr, scaling_info, stage
+ )
+
+ async def remove_vnf(
+ self, nsr_id, nslcmop_id, vnf_instance_id
+ ):
+ """This method is to Remove VNF instances from NS.
+
+ Args:
+ nsr_id: NS instance id
+ nslcmop_id: nslcmop id of update
+ vnf_instance_id: id of the VNF instance to be removed
+
+ Returns:
+ result: (str, str) COMPLETED/FAILED, details
+ """
+ try:
+ db_nsr_update = {}
+ logging_text = "Task ns={} update ".format(nsr_id)
+ check_vnfr_count = len(self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}))
+ self.logger.info("check_vnfr_count {}".format(check_vnfr_count))
+ if check_vnfr_count > 1:
+ stage = ["", "", ""]
+ 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})
+ db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_instance_id})
+ member_vnf_index = db_vnfr["member-vnf-index-ref"]
+ """ db_vnfr = self.db.get_one(
+ "vnfrs", {"member-vnf-index-ref": member_vnf_index, "nsr-id-ref": nsr_id}) """
+
+ update_db_nslcmops = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ await self.terminate_vdus(db_vnfr, member_vnf_index, db_nsr, update_db_nslcmops, stage, logging_text)
+
+ constituent_vnfr = db_nsr.get("constituent-vnfr-ref")
+ constituent_vnfr.remove(db_vnfr.get("_id"))
+ db_nsr_update["constituent-vnfr-ref"] = db_nsr.get("constituent-vnfr-ref")
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self.db.del_one("vnfrs", {"_id": db_vnfr.get("_id")})
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ return "COMPLETED", "Done"
+ else:
+ step = "Terminate VNF Failed with"
+ raise LcmException("{} Cannot terminate the last VNF in this NS.".format(
+ vnf_instance_id))
+ except (LcmException, asyncio.CancelledError):
+ raise
+ except Exception as e:
+ self.logger.debug("Error removing VNF {}".format(e))
+ return "FAILED", "Error removing VNF {}".format(e)
+
+ async def _ns_redeploy_vnf(
+ self, nsr_id, nslcmop_id, db_vnfd, db_vnfr, db_nsr,
+ ):
+ """This method updates and redeploys VNF instances
+
+ Args:
+ nsr_id: NS instance id
+ nslcmop_id: nslcmop id
+ db_vnfd: VNF descriptor
+ db_vnfr: VNF instance record
+ db_nsr: NS instance record
+
+ Returns:
+ result: (str, str) COMPLETED/FAILED, details
+ """
+ try:
+ count_index = 0
+ stage = ["", "", ""]
+ logging_text = "Task ns={} update ".format(nsr_id)
+ latest_vnfd_revision = db_vnfd["_admin"].get("revision")
+ member_vnf_index = db_vnfr["member-vnf-index-ref"]
+
+ # Terminate old VNF resources
+ update_db_nslcmops = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ await self.terminate_vdus(db_vnfr, member_vnf_index, db_nsr, update_db_nslcmops, stage, logging_text)
+
+ # old_vnfd_id = db_vnfr["vnfd-id"]
+ # new_db_vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+ new_db_vnfd = db_vnfd
+ # new_vnfd_ref = new_db_vnfd["id"]
+ # new_vnfd_id = vnfd_id
+
+ # Create VDUR
+ new_vnfr_cp = []
+ for cp in new_db_vnfd.get("ext-cpd", ()):
+ vnf_cp = {
+ "name": cp.get("id"),
+ "connection-point-id": cp.get("int-cpd", {}).get("cpd"),
+ "connection-point-vdu-id": cp.get("int-cpd", {}).get("vdu-id"),
+ "id": cp.get("id"),
+ }
+ new_vnfr_cp.append(vnf_cp)
+ new_vdur = update_db_nslcmops["operationParams"]["newVdur"]
+ # new_vdur = self._create_vdur_descriptor_from_vnfd(db_nsd, db_vnfd, old_db_vnfd, vnfd_id, db_nsr, member_vnf_index)
+ # new_vnfr_update = {"vnfd-ref": new_vnfd_ref, "vnfd-id": new_vnfd_id, "connection-point": new_vnfr_cp, "vdur": new_vdur, "ip-address": ""}
+ new_vnfr_update = {"revision": latest_vnfd_revision, "connection-point": new_vnfr_cp, "vdur": new_vdur, "ip-address": ""}
+ self.update_db_2("vnfrs", db_vnfr["_id"], new_vnfr_update)
+ updated_db_vnfr = self.db.get_one(
+ "vnfrs", {"member-vnf-index-ref": member_vnf_index, "nsr-id-ref": nsr_id}
+ )
+
+ # Instantiate new VNF resources
+ # update_db_nslcmops = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ vca_scaling_info = []
+ scaling_info = {"scaling_group_name": "vdu_autoscale", "vdu": [], "kdu": []}
+ scaling_info["scaling_direction"] = "OUT"
+ scaling_info["vdu-create"] = {}
+ scaling_info["kdu-create"] = {}
+ vdud_instantiate_list = db_vnfd["vdu"]
+ for index, vdud in enumerate(vdud_instantiate_list):
+ cloud_init_text = self._get_vdu_cloud_init_content(
+ vdud, db_vnfd
+ )
+ if cloud_init_text:
+ additional_params = (
+ self._get_vdu_additional_params(updated_db_vnfr, vdud["id"])
+ or {}
+ )
+ cloud_init_list = []
+ if cloud_init_text:
+ # TODO Information of its own ip is not available because db_vnfr is not updated.
+ additional_params["OSM"] = get_osm_params(
+ updated_db_vnfr, vdud["id"], 1
+ )
+ cloud_init_list.append(
+ self._parse_cloud_init(
+ cloud_init_text,
+ additional_params,
+ db_vnfd["id"],
+ vdud["id"],
+ )
+ )
+ vca_scaling_info.append(
+ {
+ "osm_vdu_id": vdud["id"],
+ "member-vnf-index": member_vnf_index,
+ "type": "create",
+ "vdu_index": count_index,
+ }
+ )
+ scaling_info["vdu-create"][vdud["id"]] = count_index
+ if self.ro_config.get("ng"):
+ self.logger.debug(
+ "New Resources to be deployed: {}".format(scaling_info))
+ await self._scale_ng_ro(
+ logging_text, db_nsr, update_db_nslcmops, updated_db_vnfr, scaling_info, stage
+ )
+ return "COMPLETED", "Done"
+ except (LcmException, asyncio.CancelledError):
+ raise
+ except Exception as e:
+ self.logger.debug("Error updating VNF {}".format(e))
+ return "FAILED", "Error updating VNF {}".format(e)
+
+ async def _ns_charm_upgrade(
+ self,
+ ee_id,
+ charm_id,
+ charm_type,
+ path,
+ timeout: float = None,
+ ) -> (str, str):
+ """This method upgrade charms in VNF instances
+
+ Args:
+ ee_id: Execution environment id
+ path: Local path to the charm
+ charm_id: charm-id
+ charm_type: Charm type can be lxc-proxy-charm, native-charm or k8s-proxy-charm
+ timeout: (Float) Timeout for the ns update operation
+
+ Returns:
+ result: (str, str) COMPLETED/FAILED, details
+ """
+ try:
+ charm_type = charm_type or "lxc_proxy_charm"
+ output = await self.vca_map[charm_type].upgrade_charm(
+ ee_id=ee_id,
+ path=path,
+ charm_id=charm_id,
+ charm_type=charm_type,
+ timeout=timeout or self.timeout_ns_update,
+ )
+
+ if output:
+ return "COMPLETED", output
+
+ except (LcmException, asyncio.CancelledError):
+ raise
+
+ except Exception as e:
+
+ self.logger.debug("Error upgrading charm {}".format(path))
+
+ return "FAILED", "Error upgrading charm {}: {}".format(path, e)
+
+ async def update(self, nsr_id, nslcmop_id):
+ """Update NS according to different update types
+
+ This method performs upgrade of VNF instances then updates the revision
+ number in VNF record
+
+ Args:
+ nsr_id: Network service will be updated
+ nslcmop_id: ns lcm operation id
+
+ Returns:
+ It may raise DbException, LcmException, N2VCException, K8sException
+
+ """
# 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)
- stage = ["", "", ""]
- tasks_dict_info = {}
- # ^ stage, step, VIM progress
+ logging_text = "Task ns={} update={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
- # get all needed from database
+
+ # Set the required variables to be filled up later
db_nsr = None
db_nslcmop_update = {}
+ vnfr_update = {}
+ nslcmop_operation_state = None
db_nsr_update = {}
+ error_description_nslcmop = ""
exc = None
- # in case of error, indicates what part of scale was failed to put nsr at error status
- scale_process = None
- old_operational_status = ""
- old_config_status = ""
- nsi_id = None
+ change_type = "updated"
+ detailed_status = ""
+
try:
# wait for any previous tasks in process
step = "Waiting for previous operations to terminate"
self._write_ns_status(
nsr_id=nsr_id,
ns_state=None,
- current_operation="SCALING",
+ current_operation="UPDATING",
current_operation_id=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}, fail_on_empty=False
)
- db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
+ update_type = db_nslcmop["operationParams"]["updateType"]
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"]
-
- step = "Parsing scaling parameters"
- db_nsr_update["operational-status"] = "scaling"
+ db_nsr_update["operational-status"] = "updating"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
nsr_deployed = db_nsr["_admin"].get("deployed")
- vnf_index = db_nslcmop["operationParams"]["scaleVnfData"][
- "scaleByStepData"
- ]["member-vnf-index"]
- scaling_group = db_nslcmop["operationParams"]["scaleVnfData"][
- "scaleByStepData"
- ]["scaling-group-descriptor"]
- scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
- # for backward compatibility
- if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
- nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
- db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
-
- step = "Getting vnfr from database"
- db_vnfr = self.db.get_one(
- "vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id}
- )
-
- vca_id = self.get_vca_id(db_vnfr, db_nsr)
+ if update_type == "CHANGE_VNFPKG":
- step = "Getting vnfd from database"
- db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
+ # Get the input parameters given through update request
+ vnf_instance_id = db_nslcmop["operationParams"][
+ "changeVnfPackageData"
+ ].get("vnfInstanceId")
- base_folder = db_vnfd["_admin"]["storage"]
+ vnfd_id = db_nslcmop["operationParams"]["changeVnfPackageData"].get(
+ "vnfdId"
+ )
+ timeout_seconds = db_nslcmop["operationParams"].get("timeout_ns_update")
- step = "Getting scaling-group-descriptor"
- scaling_descriptor = find_in_list(
- get_scaling_aspect(db_vnfd),
- lambda scale_desc: scale_desc["name"] == scaling_group,
- )
- if not scaling_descriptor:
- raise LcmException(
- "input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
- "at vnfd:scaling-group-descriptor".format(scaling_group)
+ step = "Getting vnfr from database"
+ db_vnfr = self.db.get_one(
+ "vnfrs", {"_id": vnf_instance_id}, fail_on_empty=False
)
- step = "Sending scale order to VIM"
- # TODO check if ns is in a proper status
- 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}
- ]
- },
+ step = "Getting vnfds from database"
+ # Latest VNFD
+ latest_vnfd = self.db.get_one(
+ "vnfds", {"_id": vnfd_id}, fail_on_empty=False
)
- admin_scale_index = 0
- else:
- for admin_scale_index, admin_scale_info in enumerate(
- db_nsr["_admin"]["scaling-group"]
- ):
- if admin_scale_info["name"] == scaling_group:
- nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
- break
- else: # not found, set index one plus last element and add new entry with the name
- admin_scale_index += 1
- db_nsr_update[
- "_admin.scaling-group.{}.name".format(admin_scale_index)
- ] = scaling_group
+ latest_vnfd_revision = latest_vnfd["_admin"].get("revision")
+
+ # Current VNFD
+ current_vnf_revision = db_vnfr.get("revision", 1)
+ current_vnfd = self.db.get_one(
+ "vnfds_revisions",
+ {"_id": vnfd_id + ":" + str(current_vnf_revision)},
+ fail_on_empty=False,
+ )
+ # Charm artifact paths will be filled up later
+ (
+ current_charm_artifact_path,
+ target_charm_artifact_path,
+ charm_artifact_paths,
+ ) = ([], [], [])
- 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(
- "Aspect delta details not fount in scaling descriptor {}".format(
- scaling_descriptor["name"]
- )
+ step = "Checking if revision has changed in VNFD"
+ if current_vnf_revision != latest_vnfd_revision:
+
+ change_type = "policy_updated"
+
+ # There is new revision of VNFD, update operation is required
+ current_vnfd_path = vnfd_id + ":" + str(current_vnf_revision)
+ latest_vnfd_path = vnfd_id + ":" + str(latest_vnfd_revision)
+
+ step = "Removing the VNFD packages if they exist in the local path"
+ shutil.rmtree(self.fs.path + current_vnfd_path, ignore_errors=True)
+ shutil.rmtree(self.fs.path + latest_vnfd_path, ignore_errors=True)
+
+ step = "Get the VNFD packages from FSMongo"
+ self.fs.sync(from_path=latest_vnfd_path)
+ self.fs.sync(from_path=current_vnfd_path)
+
+ step = (
+ "Get the charm-type, charm-id, ee-id if there is deployed VCA"
)
- # count if max-instance-count is reached
- deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
+ base_folder = latest_vnfd["_admin"]["storage"]
- scaling_info["scaling_direction"] = "OUT"
- scaling_info["vdu-create"] = {}
- scaling_info["kdu-create"] = {}
- for delta in deltas:
- for vdu_delta in delta.get("vdu-delta", {}):
- vdud = get_vdu(db_vnfd, vdu_delta["id"])
- # 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
- )
- if cloud_init_text:
- additional_params = (
- self._get_vdu_additional_params(db_vnfr, vdud["id"])
- or {}
- )
- cloud_init_list = []
+ for charm_index, charm_deployed in enumerate(
+ get_iterable(nsr_deployed, "VCA")
+ ):
+ vnf_index = db_vnfr.get("member-vnf-index-ref")
- vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
- max_instance_count = 10
- if vdu_profile and "max-number-of-instances" in vdu_profile:
- max_instance_count = vdu_profile.get(
- "max-number-of-instances", 10
- )
+ # Getting charm-id and charm-type
+ if charm_deployed.get("member-vnf-index") == vnf_index:
+ charm_id = self.get_vca_id(db_vnfr, db_nsr)
+ charm_type = charm_deployed.get("type")
- 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
+ # Getting ee-id
+ ee_id = charm_deployed.get("ee_id")
- 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
+ step = "Getting descriptor config"
+ descriptor_config = get_configuration(
+ current_vnfd, current_vnfd["id"]
+ )
- if new_instance_count > 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
+ if "execution-environment-list" in descriptor_config:
+ ee_list = descriptor_config.get(
+ "execution-environment-list", []
)
- )
- for x in range(vdu_delta.get("number-of-instances", 1)):
- if cloud_init_text:
- # TODO Information of its own ip is not available because db_vnfr is not updated.
- additional_params["OSM"] = get_osm_params(
- db_vnfr, vdu_delta["id"], vdu_index + x
- )
- cloud_init_list.append(
- self._parse_cloud_init(
- cloud_init_text,
- additional_params,
- db_vnfd["id"],
- vdud["id"],
+ else:
+ ee_list = []
+
+ # There could be several charm used in the same VNF
+ for ee_item in ee_list:
+ if ee_item.get("juju"):
+
+ step = "Getting charm name"
+ charm_name = ee_item["juju"].get("charm")
+
+ step = "Setting Charm artifact paths"
+ current_charm_artifact_path.append(
+ get_charm_artifact_path(
+ base_folder,
+ charm_name,
+ charm_type,
+ current_vnf_revision,
+ )
+ )
+ target_charm_artifact_path.append(
+ get_charm_artifact_path(
+ base_folder,
+ charm_name,
+ charm_type,
+ latest_vnfd_revision,
+ )
)
- )
- vca_scaling_info.append(
- {
- "osm_vdu_id": vdu_delta["id"],
- "member-vnf-index": vnf_index,
- "type": "create",
- "vdu_index": vdu_index + x,
- }
- )
- scaling_info["vdu-create"][vdu_delta["id"]] = instances_number
- 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.get("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"
- 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
+ charm_artifact_paths = zip(
+ current_charm_artifact_path, target_charm_artifact_path
)
- 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,
- 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
- )
+ step = "Checking if software version has changed in VNFD"
+ if find_software_version(current_vnfd) != find_software_version(
+ latest_vnfd
+ ):
- # 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
+ step = "Checking if existing VNF has charm"
+ for current_charm_path, target_charm_path in list(
+ charm_artifact_paths
+ ):
+ if current_charm_path:
+ raise LcmException(
+ "Software version change is not supported as VNF instance {} has charm.".format(
+ vnf_instance_id
+ )
)
- )
- 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,
- }
+ # There is no change in the charm package, then redeploy the VNF
+ # based on new descriptor
+ step = "Redeploying VNF"
+ member_vnf_index = db_vnfr["member-vnf-index-ref"]
+ (
+ result,
+ detailed_status
+ ) = await self._ns_redeploy_vnf(
+ nsr_id,
+ nslcmop_id,
+ latest_vnfd,
+ db_vnfr,
+ db_nsr
+ )
+ if result == "FAILED":
+ nslcmop_operation_state = result
+ error_description_nslcmop = detailed_status
+ db_nslcmop_update["detailed-status"] = detailed_status
+ self.logger.debug(
+ logging_text
+ + " step {} Done with result {} {}".format(
+ step, nslcmop_operation_state, detailed_status
)
- scaling_info["kdu-create"][kdu_name].append(
- {
- "member-vnf-index": vnf_index,
- "type": "create",
- "k8s-cluster-type": k8s_cluster_type,
- "resource-name": resource_name,
- "scale": kdu_replica_count,
- }
)
- elif scaling_type == "SCALE_IN":
- deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
- scaling_info["scaling_direction"] = "IN"
- scaling_info["vdu-delete"] = {}
- scaling_info["kdu-delete"] = {}
+ else:
+ step = "Checking if any charm package has changed or not"
+ for current_charm_path, target_charm_path in list(
+ charm_artifact_paths
+ ):
+ if (
+ current_charm_path
+ and target_charm_path
+ and self.check_charm_hash_changed(
+ current_charm_path, target_charm_path
+ )
+ ):
- for delta in deltas:
- 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:
- min_instance_count = vdu_profile["min-number-of-instances"]
+ step = "Checking whether VNF uses juju bundle"
+ if check_juju_bundle_existence(current_vnfd):
- 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
+ raise LcmException(
+ "Charm upgrade is not supported for the instance which"
+ " uses juju-bundle: {}".format(
+ check_juju_bundle_existence(current_vnfd)
+ )
+ )
- new_instance_count = nb_scale_op + default_instance_num
+ step = "Upgrading Charm"
+ (
+ result,
+ detailed_status,
+ ) = await self._ns_charm_upgrade(
+ ee_id=ee_id,
+ charm_id=charm_id,
+ charm_type=charm_type,
+ path=self.fs.path + target_charm_path,
+ timeout=timeout_seconds,
+ )
- if new_instance_count < min_instance_count < vdu_count:
- instances_number = min_instance_count - new_instance_count
- else:
- instances_number = instance_num
+ if result == "FAILED":
+ nslcmop_operation_state = result
+ error_description_nslcmop = detailed_status
- 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
+ db_nslcmop_update["detailed-status"] = detailed_status
+ self.logger.debug(
+ logging_text
+ + " step {} Done with result {} {}".format(
+ step, nslcmop_operation_state, detailed_status
+ )
)
- )
- for x in range(vdu_delta.get("number-of-instances", 1)):
- vca_scaling_info.append(
- {
- "osm_vdu_id": vdu_delta["id"],
- "member-vnf-index": vnf_index,
- "type": "delete",
- "vdu_index": vdu_index - 1 - x,
- }
- )
- scaling_info["vdu-delete"][vdu_delta["id"]] = instances_number
- 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.get("resource-name", "")
- if not scaling_info["kdu-delete"].get(kdu_name, None):
- scaling_info["kdu-delete"][kdu_name] = []
+ step = "Updating policies"
+ member_vnf_index = db_vnfr["member-vnf-index-ref"]
+ result = "COMPLETED"
+ detailed_status = "Done"
+ db_nslcmop_update["detailed-status"] = "Done"
- 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"
- 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"]
- )
- )
+ # If nslcmop_operation_state is None, so any operation is not failed.
+ if not nslcmop_operation_state:
+ nslcmop_operation_state = "COMPLETED"
- min_instance_count = 0
- if kdu_profile and "min-number-of-instances" in kdu_profile:
- min_instance_count = kdu_profile["min-number-of-instances"]
+ # If update CHANGE_VNFPKG nslcmop_operation is successful
+ # vnf revision need to be updated
+ vnfr_update["revision"] = latest_vnfd_revision
+ self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
- 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,
- 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
+ self.logger.debug(
+ logging_text
+ + " task Done with result {} {}".format(
+ nslcmop_operation_state, detailed_status
)
+ )
+ elif update_type == "REMOVE_VNF":
+ # This part is included in https://osm.etsi.org/gerrit/11876
+ vnf_instance_id = db_nslcmop["operationParams"]["removeVnfInstanceId"]
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_instance_id})
+ member_vnf_index = db_vnfr["member-vnf-index-ref"]
+ step = "Removing VNF"
+ (result, detailed_status) = await self.remove_vnf(nsr_id, nslcmop_id, vnf_instance_id)
+ if result == "FAILED":
+ nslcmop_operation_state = result
+ error_description_nslcmop = detailed_status
+ db_nslcmop_update["detailed-status"] = detailed_status
+ change_type = "vnf_terminated"
+ if not nslcmop_operation_state:
+ nslcmop_operation_state = "COMPLETED"
+ self.logger.debug(
+ logging_text
+ + " task Done with result {} {}".format(
+ nslcmop_operation_state, detailed_status
+ )
+ )
- 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
- )
- )
+ elif update_type == "OPERATE_VNF":
+ vnf_id = db_nslcmop["operationParams"]["operateVnfData"]["vnfInstanceId"]
+ operation_type = db_nslcmop["operationParams"]["operateVnfData"]["changeStateTo"]
+ additional_param = db_nslcmop["operationParams"]["operateVnfData"]["additionalParam"]
+ (result, detailed_status) = await self.rebuild_start_stop(
+ nsr_id, nslcmop_id, vnf_id, additional_param, operation_type
+ )
+ if result == "FAILED":
+ nslcmop_operation_state = result
+ error_description_nslcmop = detailed_status
+ db_nslcmop_update["detailed-status"] = detailed_status
+ if not nslcmop_operation_state:
+ nslcmop_operation_state = "COMPLETED"
+ self.logger.debug(
+ logging_text
+ + " task Done with result {} {}".format(
+ nslcmop_operation_state, detailed_status
+ )
+ )
- 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,
- }
- )
+ # If nslcmop_operation_state is None, so any operation is not failed.
+ # All operations are executed in overall.
+ if not nslcmop_operation_state:
+ nslcmop_operation_state = "COMPLETED"
+ db_nsr_update["operational-status"] = old_operational_status
- # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
- 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
- scaling_info["vdu"].append(
- {
- "name": vdur.get("name") or vdur.get("vdu-name"),
- "vdu_id": vdur["vdu-id-ref"],
- "interface": [],
- }
- )
- for interface in vdur["interfaces"]:
- scaling_info["vdu"][-1]["interface"].append(
- {
- "name": interface["name"],
- "ip_address": interface["ip-address"],
- "mac_address": interface.get("mac-address"),
- }
- )
- # vdu_delete = vdu_scaling_info.pop("vdu-delete")
+ except (DbException, LcmException, N2VCException, K8sException) as e:
+ self.logger.error(logging_text + "Exit Exception {}".format(e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error(
+ logging_text + "Cancelled Exception while '{}'".format(step)
+ )
+ exc = "Operation was cancelled"
+ except asyncio.TimeoutError:
+ self.logger.error(logging_text + "Timeout while '{}'".format(step))
+ exc = "Timeout"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception {} {}".format(type(e).__name__, e),
+ exc_info=True,
+ )
+ finally:
+ if exc:
+ db_nslcmop_update[
+ "detailed-status"
+ ] = (
+ detailed_status
+ ) = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
+ nslcmop_operation_state = "FAILED"
+ db_nsr_update["operational-status"] = old_operational_status
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=db_nsr["nsState"],
+ current_operation="IDLE",
+ current_operation_id=None,
+ other_update=db_nsr_update,
+ )
- # PRE-SCALE BEGIN
- step = "Executing pre-scale vnf-config-primitive"
- if scaling_descriptor.get("scaling-config-action"):
- for scaling_config_action in scaling_descriptor[
- "scaling-config-action"
- ]:
- if (
- scaling_config_action.get("trigger") == "pre-scale-in"
- and scaling_type == "SCALE_IN"
- ) or (
- scaling_config_action.get("trigger") == "pre-scale-out"
- and scaling_type == "SCALE_OUT"
- ):
- vnf_config_primitive = scaling_config_action[
- "vnf-config-primitive-name-ref"
- ]
- step = db_nslcmop_update[
- "detailed-status"
- ] = "executing pre-scale scaling-config-action '{}'".format(
- vnf_config_primitive
- )
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
- # look for primitive
- for config_primitive in (
- get_configuration(db_vnfd, db_vnfd["id"]) or {}
- ).get("config-primitive", ()):
- if config_primitive["name"] == vnf_config_primitive:
- break
- else:
- raise LcmException(
- "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
- "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
- "primitive".format(scaling_group, vnf_config_primitive)
- )
+ if nslcmop_operation_state:
+ try:
+ msg = {
+ "nsr_id": nsr_id,
+ "nslcmop_id": nslcmop_id,
+ "operationState": nslcmop_operation_state,
+ }
+ if change_type in ("vnf_terminated", "policy_updated"):
+ msg.update({"vnf_member_index": member_vnf_index})
+ await self.msg.aiowrite("ns", change_type, msg, loop=self.loop)
+ except Exception as e:
+ self.logger.error(
+ logging_text + "kafka_write notification Exception {}".format(e)
+ )
+ self.logger.debug(logging_text + "Exit")
+ self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_update")
+ return nslcmop_operation_state, detailed_status
- vnfr_params = {"VDU_SCALE_INFO": scaling_info}
- if db_vnfr.get("additionalParamsForVnf"):
- vnfr_params.update(db_vnfr["additionalParamsForVnf"])
+ 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
- scale_process = "VCA"
- db_nsr_update["config-status"] = "configuring pre-scaling"
- primitive_params = self._map_primitive_params(
- config_primitive, {}, vnfr_params
- )
+ logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
+ stage = ["", "", ""]
+ tasks_dict_info = {}
+ # ^ stage, step, VIM progress
+ self.logger.debug(logging_text + "Enter")
+ # get all needed from database
+ db_nsr = None
+ db_nslcmop_update = {}
+ db_nsr_update = {}
+ exc = None
+ # in case of error, indicates what part of scale was failed to put nsr at error status
+ scale_process = None
+ old_operational_status = ""
+ old_config_status = ""
+ nsi_id = None
+ try:
+ # wait for any previous tasks in process
+ step = "Waiting for previous operations to terminate"
+ await self.lcm_tasks.waitfor_related_HA("ns", "nslcmops", nslcmop_id)
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="SCALING",
+ current_operation_id=nslcmop_id,
+ )
- # Pre-scale retry check: Check if this sub-operation has been executed before
- op_index = self._check_or_add_scale_suboperation(
- db_nslcmop,
- vnf_index,
- vnf_config_primitive,
- primitive_params,
- "PRE-SCALE",
- )
- if op_index == self.SUBOPERATION_STATUS_SKIP:
- # Skip sub-operation
- result = "COMPLETED"
- result_detail = "Done"
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
- vnf_config_primitive, result, result_detail
- )
- )
- else:
- if op_index == self.SUBOPERATION_STATUS_NEW:
- # New sub-operation: Get index of this sub-operation
- op_index = (
- len(db_nslcmop.get("_admin", {}).get("operations"))
- - 1
- )
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} New sub-operation".format(
- vnf_config_primitive
- )
- )
- else:
- # retry: Get registered params for this existing sub-operation
- op = db_nslcmop.get("_admin", {}).get("operations", [])[
- op_index
- ]
- vnf_index = op.get("member_vnf_index")
- vnf_config_primitive = op.get("primitive")
- primitive_params = op.get("primitive_params")
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Sub-operation retry".format(
- vnf_config_primitive
- )
- )
- # Execute the primitive, either with new (first-time) or registered (reintent) args
- ee_descriptor_id = config_primitive.get(
- "execution-environment-ref"
- )
- primitive_name = config_primitive.get(
- "execution-environment-primitive", vnf_config_primitive
- )
- ee_id, vca_type = self._look_for_deployed_vca(
- nsr_deployed["VCA"],
- member_vnf_index=vnf_index,
- vdu_id=None,
- vdu_count_index=None,
- ee_descriptor_id=ee_descriptor_id,
- )
- result, result_detail = await self._ns_execute_primitive(
- ee_id,
- primitive_name,
- primitive_params,
- vca_type=vca_type,
- vca_id=vca_id,
- )
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Done with result {} {}".format(
- vnf_config_primitive, result, result_detail
- )
- )
- # Update operationState = COMPLETED | FAILED
- self._update_suboperation_status(
- db_nslcmop, op_index, result, result_detail
- )
+ 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})
- if result == "FAILED":
- raise LcmException(result_detail)
- db_nsr_update["config-status"] = old_config_status
- scale_process = None
- # PRE-SCALE END
+ 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"]
- 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()
+ step = "Parsing scaling parameters"
+ db_nsr_update["operational-status"] = "scaling"
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ nsr_deployed = db_nsr["_admin"].get("deployed")
- # SCALE-IN VCA - BEGIN
- if vca_scaling_info:
- step = db_nslcmop_update[
- "detailed-status"
- ] = "Deleting the execution environments"
- scale_process = "VCA"
- for vca_info in vca_scaling_info:
- 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)
- )
- 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
- )
- stage[2] = step = "Scaling in VCA"
- self._write_op_status(op_id=nslcmop_id, stage=stage)
- vca_update = db_nsr["_admin"]["deployed"]["VCA"]
- config_update = db_nsr["configurationStatus"]
- for vca_index, vca in enumerate(vca_update):
- if (
- (vca or vca.get("ee_id"))
- and vca["member-vnf-index"] == member_vnf_index
- and vca["vdu_count_index"] == vdu_index
- ):
- if vca.get("vdu_id"):
- config_descriptor = get_configuration(
- db_vnfd, vca.get("vdu_id")
- )
- elif vca.get("kdu_name"):
- config_descriptor = get_configuration(
- db_vnfd, vca.get("kdu_name")
- )
- else:
- config_descriptor = get_configuration(
- db_vnfd, db_vnfd["id"]
- )
- operation_params = (
- db_nslcmop.get("operationParams") or {}
- )
- exec_terminate_primitives = not operation_params.get(
- "skip_terminate_primitives"
- ) and vca.get("needed_terminate")
- task = asyncio.ensure_future(
- asyncio.wait_for(
- self.destroy_N2VC(
- logging_text,
- db_nslcmop,
- vca,
- config_descriptor,
- vca_index,
- destroy_ee=True,
- exec_primitives=exec_terminate_primitives,
- scaling_in=True,
- vca_id=vca_id,
- ),
- timeout=self.timeout_charm_delete,
- )
- )
- tasks_dict_info[task] = "Terminating VCA {}".format(
- vca.get("ee_id")
- )
- del vca_update[vca_index]
- del config_update[vca_index]
- # wait for pending tasks of terminate primitives
- if tasks_dict_info:
- self.logger.debug(
- logging_text
- + "Waiting for tasks {}".format(
- list(tasks_dict_info.keys())
- )
- )
- error_list = await self._wait_for_tasks(
- logging_text,
- tasks_dict_info,
- min(
- self.timeout_charm_delete, self.timeout_ns_terminate
- ),
- stage,
- nslcmop_id,
- )
- tasks_dict_info.clear()
- if error_list:
- raise LcmException("; ".join(error_list))
+ vnf_index = db_nslcmop["operationParams"]["scaleVnfData"][
+ "scaleByStepData"
+ ]["member-vnf-index"]
+ scaling_group = db_nslcmop["operationParams"]["scaleVnfData"][
+ "scaleByStepData"
+ ]["scaling-group-descriptor"]
+ scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
+ # for backward compatibility
+ if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
+ nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
+ db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
- db_vca_and_config_update = {
- "_admin.deployed.VCA": vca_update,
- "configurationStatus": config_update,
- }
- self.update_db_2(
- "nsrs", db_nsr["_id"], db_vca_and_config_update
- )
- scale_process = None
- # SCALE-IN VCA - END
+ step = "Getting vnfr from database"
+ db_vnfr = self.db.get_one(
+ "vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id}
+ )
- # SCALE RO - BEGIN
- 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, scaling_info, stage
- )
- scaling_info.pop("vdu-create", None)
- scaling_info.pop("vdu-delete", None)
+ vca_id = self.get_vca_id(db_vnfr, db_nsr)
- scale_process = None
- # SCALE RO - END
+ step = "Getting vnfd from database"
+ db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
- # 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
+ base_folder = db_vnfd["_admin"]["storage"]
+
+ step = "Getting scaling-group-descriptor"
+ scaling_descriptor = find_in_list(
+ get_scaling_aspect(db_vnfd),
+ lambda scale_desc: scale_desc["name"] == scaling_group,
+ )
+ if not scaling_descriptor:
+ raise LcmException(
+ "input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
+ "at vnfd:scaling-group-descriptor".format(scaling_group)
)
- scaling_info.pop("kdu-create", None)
- scaling_info.pop("kdu-delete", None)
- scale_process = None
- # SCALE KDU - END
+ step = "Sending scale order to VIM"
+ # TODO check if ns is in a proper status
+ 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}
+ ]
+ },
+ )
+ admin_scale_index = 0
+ else:
+ for admin_scale_index, admin_scale_info in enumerate(
+ db_nsr["_admin"]["scaling-group"]
+ ):
+ if admin_scale_info["name"] == scaling_group:
+ nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
+ break
+ else: # not found, set index one plus last element and add new entry with the name
+ admin_scale_index += 1
+ db_nsr_update[
+ "_admin.scaling-group.{}.name".format(admin_scale_index)
+ ] = scaling_group
- if db_nsr_update:
- self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ 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(
+ "Aspect delta details not fount in scaling descriptor {}".format(
+ scaling_descriptor["name"]
+ )
+ )
+ # count if max-instance-count is reached
+ deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
- # SCALE-UP VCA - BEGIN
- if vca_scaling_info:
- step = db_nslcmop_update[
- "detailed-status"
- ] = "Creating new execution environments"
- scale_process = "VCA"
- for vca_info in vca_scaling_info:
- 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)
+ scaling_info["scaling_direction"] = "OUT"
+ scaling_info["vdu-create"] = {}
+ scaling_info["kdu-create"] = {}
+ for delta in deltas:
+ for vdu_delta in delta.get("vdu-delta", {}):
+ vdud = get_vdu(db_vnfd, vdu_delta["id"])
+ # 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
)
- vnfd_id = db_vnfr["vnfd-ref"]
- 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"]
- )
- 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
+ if cloud_init_text:
+ additional_params = (
+ self._get_vdu_additional_params(db_vnfr, vdud["id"])
+ or {}
)
- 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
+ cloud_init_list = []
+
+ vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
+ max_instance_count = 10
+ if vdu_profile and "max-number-of-instances" in vdu_profile:
+ max_instance_count = vdu_profile.get(
+ "max-number-of-instances", 10
)
- 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
- )
- 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,
- )
- # SCALE-UP VCA - END
- scale_process = None
- # POST-SCALE BEGIN
- # execute primitive service POST-SCALING
- step = "Executing post-scale vnf-config-primitive"
- if scaling_descriptor.get("scaling-config-action"):
- for scaling_config_action in scaling_descriptor[
- "scaling-config-action"
- ]:
- if (
- scaling_config_action.get("trigger") == "post-scale-in"
- and scaling_type == "SCALE_IN"
- ) or (
- scaling_config_action.get("trigger") == "post-scale-out"
- and scaling_type == "SCALE_OUT"
- ):
- vnf_config_primitive = scaling_config_action[
- "vnf-config-primitive-name-ref"
- ]
- step = db_nslcmop_update[
- "detailed-status"
- ] = "executing post-scale scaling-config-action '{}'".format(
- vnf_config_primitive
+ 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
- vnfr_params = {"VDU_SCALE_INFO": scaling_info}
- if db_vnfr.get("additionalParamsForVnf"):
- vnfr_params.update(db_vnfr["additionalParamsForVnf"])
-
- # look for primitive
- for config_primitive in (
- get_configuration(db_vnfd, db_vnfd["id"]) or {}
- ).get("config-primitive", ()):
- if config_primitive["name"] == vnf_config_primitive:
- break
+ 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:
- raise LcmException(
- "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-"
- "action[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:"
- "config-primitive".format(
- scaling_group, vnf_config_primitive
- )
- )
- scale_process = "VCA"
- db_nsr_update["config-status"] = "configuring post-scaling"
- primitive_params = self._map_primitive_params(
- config_primitive, {}, vnfr_params
- )
+ instances_number = instances_number
- # Post-scale retry check: Check if this sub-operation has been executed before
- op_index = self._check_or_add_scale_suboperation(
- db_nslcmop,
- vnf_index,
- vnf_config_primitive,
- primitive_params,
- "POST-SCALE",
- )
- if op_index == self.SUBOPERATION_STATUS_SKIP:
- # Skip sub-operation
- result = "COMPLETED"
- result_detail = "Done"
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
- vnf_config_primitive, result, result_detail
+ if new_instance_count > 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
)
)
- else:
- if op_index == self.SUBOPERATION_STATUS_NEW:
- # New sub-operation: Get index of this sub-operation
- op_index = (
- len(db_nslcmop.get("_admin", {}).get("operations"))
- - 1
+ for x in range(vdu_delta.get("number-of-instances", 1)):
+ if cloud_init_text:
+ # TODO Information of its own ip is not available because db_vnfr is not updated.
+ additional_params["OSM"] = get_osm_params(
+ db_vnfr, vdu_delta["id"], vdu_index + x
)
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} New sub-operation".format(
- vnf_config_primitive
+ cloud_init_list.append(
+ self._parse_cloud_init(
+ cloud_init_text,
+ additional_params,
+ db_vnfd["id"],
+ vdud["id"],
)
)
- else:
- # retry: Get registered params for this existing sub-operation
- op = db_nslcmop.get("_admin", {}).get("operations", [])[
- op_index
- ]
- vnf_index = op.get("member_vnf_index")
- vnf_config_primitive = op.get("primitive")
- primitive_params = op.get("primitive_params")
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Sub-operation retry".format(
- vnf_config_primitive
- )
+ vca_scaling_info.append(
+ {
+ "osm_vdu_id": vdu_delta["id"],
+ "member-vnf-index": vnf_index,
+ "type": "create",
+ "vdu_index": vdu_index + x,
+ }
+ )
+ scaling_info["vdu-create"][vdu_delta["id"]] = instances_number
+ 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.get("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"
+ 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
)
- # Execute the primitive, either with new (first-time) or registered (reintent) args
- ee_descriptor_id = config_primitive.get(
- "execution-environment-ref"
- )
- primitive_name = config_primitive.get(
- "execution-environment-primitive", vnf_config_primitive
- )
- ee_id, vca_type = self._look_for_deployed_vca(
- nsr_deployed["VCA"],
- member_vnf_index=vnf_index,
- vdu_id=None,
- vdu_count_index=None,
- ee_descriptor_id=ee_descriptor_id,
)
- result, result_detail = await self._ns_execute_primitive(
- ee_id,
- primitive_name,
- primitive_params,
- vca_type=vca_type,
- vca_id=vca_id,
+
+ 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
)
- self.logger.debug(
- logging_text
- + "vnf_config_primitive={} Done with result {} {}".format(
- vnf_config_primitive, result, result_detail
+
+ 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
)
)
- # Update operationState = COMPLETED | FAILED
- self._update_suboperation_status(
- db_nslcmop, op_index, result, result_detail
- )
+ 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,
+ 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
+ )
- if result == "FAILED":
- raise LcmException(result_detail)
- db_nsr_update["config-status"] = old_config_status
- scale_process = None
- # POST-SCALE END
+ # 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
+ )
+ )
- db_nsr_update[
- "detailed-status"
- ] = "" # "scaled {} {}".format(scaling_group, scaling_type)
- db_nsr_update["operational-status"] = (
- "running"
- if old_operational_status == "failed"
- else old_operational_status
+ 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(
+ {
+ "member-vnf-index": vnf_index,
+ "type": "create",
+ "k8s-cluster-type": k8s_cluster_type,
+ "resource-name": resource_name,
+ "scale": kdu_replica_count,
+ }
+ )
+ elif scaling_type == "SCALE_IN":
+ 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.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:
+ min_instance_count = vdu_profile["min-number-of-instances"]
+
+ 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
+
+ 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
+ )
+ )
+ for x in range(vdu_delta.get("number-of-instances", 1)):
+ vca_scaling_info.append(
+ {
+ "osm_vdu_id": vdu_delta["id"],
+ "member-vnf-index": vnf_index,
+ "type": "delete",
+ "vdu_index": vdu_index - 1 - x,
+ }
+ )
+ scaling_info["vdu-delete"][vdu_delta["id"]] = instances_number
+ 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.get("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"
+ 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,
+ 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
+ )
+
+ 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(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
+ scaling_info["vdu"].append(
+ {
+ "name": vdur.get("name") or vdur.get("vdu-name"),
+ "vdu_id": vdur["vdu-id-ref"],
+ "interface": [],
+ }
+ )
+ for interface in vdur["interfaces"]:
+ scaling_info["vdu"][-1]["interface"].append(
+ {
+ "name": interface["name"],
+ "ip_address": interface["ip-address"],
+ "mac_address": interface.get("mac-address"),
+ }
+ )
+ # vdu_delete = vdu_scaling_info.pop("vdu-delete")
+
+ # PRE-SCALE BEGIN
+ step = "Executing pre-scale vnf-config-primitive"
+ if scaling_descriptor.get("scaling-config-action"):
+ for scaling_config_action in scaling_descriptor[
+ "scaling-config-action"
+ ]:
+ if (
+ scaling_config_action.get("trigger") == "pre-scale-in"
+ and scaling_type == "SCALE_IN"
+ ) or (
+ scaling_config_action.get("trigger") == "pre-scale-out"
+ and scaling_type == "SCALE_OUT"
+ ):
+ vnf_config_primitive = scaling_config_action[
+ "vnf-config-primitive-name-ref"
+ ]
+ step = db_nslcmop_update[
+ "detailed-status"
+ ] = "executing pre-scale scaling-config-action '{}'".format(
+ vnf_config_primitive
+ )
+
+ # look for primitive
+ for config_primitive in (
+ get_configuration(db_vnfd, db_vnfd["id"]) or {}
+ ).get("config-primitive", ()):
+ if config_primitive["name"] == vnf_config_primitive:
+ break
+ else:
+ raise LcmException(
+ "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
+ "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
+ "primitive".format(scaling_group, vnf_config_primitive)
+ )
+
+ vnfr_params = {"VDU_SCALE_INFO": scaling_info}
+ if db_vnfr.get("additionalParamsForVnf"):
+ vnfr_params.update(db_vnfr["additionalParamsForVnf"])
+
+ scale_process = "VCA"
+ db_nsr_update["config-status"] = "configuring pre-scaling"
+ primitive_params = self._map_primitive_params(
+ config_primitive, {}, vnfr_params
+ )
+
+ # Pre-scale retry check: Check if this sub-operation has been executed before
+ op_index = self._check_or_add_scale_suboperation(
+ db_nslcmop,
+ vnf_index,
+ vnf_config_primitive,
+ primitive_params,
+ "PRE-SCALE",
+ )
+ if op_index == self.SUBOPERATION_STATUS_SKIP:
+ # Skip sub-operation
+ result = "COMPLETED"
+ result_detail = "Done"
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
+ vnf_config_primitive, result, result_detail
+ )
+ )
+ else:
+ if op_index == self.SUBOPERATION_STATUS_NEW:
+ # New sub-operation: Get index of this sub-operation
+ op_index = (
+ len(db_nslcmop.get("_admin", {}).get("operations"))
+ - 1
+ )
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} New sub-operation".format(
+ vnf_config_primitive
+ )
+ )
+ else:
+ # retry: Get registered params for this existing sub-operation
+ op = db_nslcmop.get("_admin", {}).get("operations", [])[
+ op_index
+ ]
+ vnf_index = op.get("member_vnf_index")
+ vnf_config_primitive = op.get("primitive")
+ primitive_params = op.get("primitive_params")
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Sub-operation retry".format(
+ vnf_config_primitive
+ )
+ )
+ # Execute the primitive, either with new (first-time) or registered (reintent) args
+ ee_descriptor_id = config_primitive.get(
+ "execution-environment-ref"
+ )
+ primitive_name = config_primitive.get(
+ "execution-environment-primitive", vnf_config_primitive
+ )
+ ee_id, vca_type = self._look_for_deployed_vca(
+ nsr_deployed["VCA"],
+ member_vnf_index=vnf_index,
+ vdu_id=None,
+ vdu_count_index=None,
+ ee_descriptor_id=ee_descriptor_id,
+ )
+ result, result_detail = await self._ns_execute_primitive(
+ ee_id,
+ primitive_name,
+ primitive_params,
+ vca_type=vca_type,
+ vca_id=vca_id,
+ )
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Done with result {} {}".format(
+ vnf_config_primitive, result, result_detail
+ )
+ )
+ # Update operationState = COMPLETED | FAILED
+ self._update_suboperation_status(
+ db_nslcmop, op_index, result, result_detail
+ )
+
+ if result == "FAILED":
+ raise LcmException(result_detail)
+ db_nsr_update["config-status"] = old_config_status
+ scale_process = None
+ # PRE-SCALE END
+
+ 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()
+
+ # SCALE-IN VCA - BEGIN
+ if vca_scaling_info:
+ step = db_nslcmop_update[
+ "detailed-status"
+ ] = "Deleting the execution environments"
+ scale_process = "VCA"
+ for vca_info in vca_scaling_info:
+ 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)
+ )
+ 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
+ )
+ stage[2] = step = "Scaling in VCA"
+ self._write_op_status(op_id=nslcmop_id, stage=stage)
+ vca_update = db_nsr["_admin"]["deployed"]["VCA"]
+ config_update = db_nsr["configurationStatus"]
+ for vca_index, vca in enumerate(vca_update):
+ if (
+ (vca or vca.get("ee_id"))
+ and vca["member-vnf-index"] == member_vnf_index
+ and vca["vdu_count_index"] == vdu_index
+ ):
+ if vca.get("vdu_id"):
+ config_descriptor = get_configuration(
+ db_vnfd, vca.get("vdu_id")
+ )
+ elif vca.get("kdu_name"):
+ config_descriptor = get_configuration(
+ db_vnfd, vca.get("kdu_name")
+ )
+ else:
+ config_descriptor = get_configuration(
+ db_vnfd, db_vnfd["id"]
+ )
+ operation_params = (
+ db_nslcmop.get("operationParams") or {}
+ )
+ exec_terminate_primitives = not operation_params.get(
+ "skip_terminate_primitives"
+ ) and vca.get("needed_terminate")
+ task = asyncio.ensure_future(
+ asyncio.wait_for(
+ self.destroy_N2VC(
+ logging_text,
+ db_nslcmop,
+ vca,
+ config_descriptor,
+ vca_index,
+ destroy_ee=True,
+ exec_primitives=exec_terminate_primitives,
+ scaling_in=True,
+ vca_id=vca_id,
+ ),
+ timeout=self.timeout_charm_delete,
+ )
+ )
+ tasks_dict_info[task] = "Terminating VCA {}".format(
+ vca.get("ee_id")
+ )
+ del vca_update[vca_index]
+ del config_update[vca_index]
+ # wait for pending tasks of terminate primitives
+ if tasks_dict_info:
+ self.logger.debug(
+ logging_text
+ + "Waiting for tasks {}".format(
+ list(tasks_dict_info.keys())
+ )
+ )
+ error_list = await self._wait_for_tasks(
+ logging_text,
+ tasks_dict_info,
+ min(
+ self.timeout_charm_delete, self.timeout_ns_terminate
+ ),
+ stage,
+ nslcmop_id,
+ )
+ tasks_dict_info.clear()
+ if error_list:
+ raise LcmException("; ".join(error_list))
+
+ db_vca_and_config_update = {
+ "_admin.deployed.VCA": vca_update,
+ "configurationStatus": config_update,
+ }
+ self.update_db_2(
+ "nsrs", db_nsr["_id"], db_vca_and_config_update
+ )
+ scale_process = None
+ # SCALE-IN VCA - END
+
+ # SCALE RO - BEGIN
+ 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, scaling_info, stage
+ )
+ 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-UP VCA - BEGIN
+ if vca_scaling_info:
+ step = db_nslcmop_update[
+ "detailed-status"
+ ] = "Creating new execution environments"
+ scale_process = "VCA"
+ for vca_info in vca_scaling_info:
+ 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)
+ )
+ vnfd_id = db_vnfr["vnfd-ref"]
+ 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"]
+ )
+ 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
+ )
+ 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
+ )
+ 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
+ )
+ 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,
+ )
+ # SCALE-UP VCA - END
+ scale_process = None
+
+ # POST-SCALE BEGIN
+ # execute primitive service POST-SCALING
+ step = "Executing post-scale vnf-config-primitive"
+ if scaling_descriptor.get("scaling-config-action"):
+ for scaling_config_action in scaling_descriptor[
+ "scaling-config-action"
+ ]:
+ if (
+ scaling_config_action.get("trigger") == "post-scale-in"
+ and scaling_type == "SCALE_IN"
+ ) or (
+ scaling_config_action.get("trigger") == "post-scale-out"
+ and scaling_type == "SCALE_OUT"
+ ):
+ vnf_config_primitive = scaling_config_action[
+ "vnf-config-primitive-name-ref"
+ ]
+ step = db_nslcmop_update[
+ "detailed-status"
+ ] = "executing post-scale scaling-config-action '{}'".format(
+ vnf_config_primitive
+ )
+
+ vnfr_params = {"VDU_SCALE_INFO": scaling_info}
+ if db_vnfr.get("additionalParamsForVnf"):
+ vnfr_params.update(db_vnfr["additionalParamsForVnf"])
+
+ # look for primitive
+ for config_primitive in (
+ get_configuration(db_vnfd, db_vnfd["id"]) or {}
+ ).get("config-primitive", ()):
+ if config_primitive["name"] == vnf_config_primitive:
+ break
+ else:
+ raise LcmException(
+ "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-"
+ "action[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:"
+ "config-primitive".format(
+ scaling_group, vnf_config_primitive
+ )
+ )
+ scale_process = "VCA"
+ db_nsr_update["config-status"] = "configuring post-scaling"
+ primitive_params = self._map_primitive_params(
+ config_primitive, {}, vnfr_params
+ )
+
+ # Post-scale retry check: Check if this sub-operation has been executed before
+ op_index = self._check_or_add_scale_suboperation(
+ db_nslcmop,
+ vnf_index,
+ vnf_config_primitive,
+ primitive_params,
+ "POST-SCALE",
+ )
+ if op_index == self.SUBOPERATION_STATUS_SKIP:
+ # Skip sub-operation
+ result = "COMPLETED"
+ result_detail = "Done"
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
+ vnf_config_primitive, result, result_detail
+ )
+ )
+ else:
+ if op_index == self.SUBOPERATION_STATUS_NEW:
+ # New sub-operation: Get index of this sub-operation
+ op_index = (
+ len(db_nslcmop.get("_admin", {}).get("operations"))
+ - 1
+ )
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} New sub-operation".format(
+ vnf_config_primitive
+ )
+ )
+ else:
+ # retry: Get registered params for this existing sub-operation
+ op = db_nslcmop.get("_admin", {}).get("operations", [])[
+ op_index
+ ]
+ vnf_index = op.get("member_vnf_index")
+ vnf_config_primitive = op.get("primitive")
+ primitive_params = op.get("primitive_params")
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Sub-operation retry".format(
+ vnf_config_primitive
+ )
+ )
+ # Execute the primitive, either with new (first-time) or registered (reintent) args
+ ee_descriptor_id = config_primitive.get(
+ "execution-environment-ref"
+ )
+ primitive_name = config_primitive.get(
+ "execution-environment-primitive", vnf_config_primitive
+ )
+ ee_id, vca_type = self._look_for_deployed_vca(
+ nsr_deployed["VCA"],
+ member_vnf_index=vnf_index,
+ vdu_id=None,
+ vdu_count_index=None,
+ ee_descriptor_id=ee_descriptor_id,
+ )
+ result, result_detail = await self._ns_execute_primitive(
+ ee_id,
+ primitive_name,
+ primitive_params,
+ vca_type=vca_type,
+ vca_id=vca_id,
+ )
+ self.logger.debug(
+ logging_text
+ + "vnf_config_primitive={} Done with result {} {}".format(
+ vnf_config_primitive, result, result_detail
+ )
+ )
+ # Update operationState = COMPLETED | FAILED
+ self._update_suboperation_status(
+ db_nslcmop, op_index, result, result_detail
+ )
+
+ if result == "FAILED":
+ raise LcmException(result_detail)
+ db_nsr_update["config-status"] = old_config_status
+ scale_process = None
+ # POST-SCALE END
+
+ db_nsr_update[
+ "detailed-status"
+ ] = "" # "scaled {} {}".format(scaling_group, scaling_type)
+ 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,
+ NgRoException,
+ ) as e:
+ self.logger.error(logging_text + "Exit Exception {}".format(e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error(
+ logging_text + "Cancelled Exception while '{}'".format(step)
+ )
+ exc = "Operation was cancelled"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception {} {}".format(type(e).__name__, e),
+ exc_info=True,
+ )
+ finally:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="IDLE",
+ current_operation_id=None,
+ )
+ if tasks_dict_info:
+ stage[1] = "Waiting for instantiate pending tasks."
+ self.logger.debug(logging_text + stage[1])
+ exc = await self._wait_for_tasks(
+ logging_text,
+ tasks_dict_info,
+ self.timeout_ns_deploy,
+ stage,
+ nslcmop_id,
+ nsr_id=nsr_id,
+ )
+ if exc:
+ db_nslcmop_update[
+ "detailed-status"
+ ] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
+ nslcmop_operation_state = "FAILED"
+ if db_nsr:
+ db_nsr_update["operational-status"] = old_operational_status
+ db_nsr_update["config-status"] = old_config_status
+ db_nsr_update["detailed-status"] = ""
+ if scale_process:
+ if "VCA" in scale_process:
+ db_nsr_update["config-status"] = "failed"
+ if "RO" in scale_process:
+ db_nsr_update["operational-status"] = "failed"
+ db_nsr_update[
+ "detailed-status"
+ ] = "FAILED scaling nslcmop={} {}: {}".format(
+ nslcmop_id, step, exc
+ )
+ else:
+ error_description_nslcmop = None
+ nslcmop_operation_state = "COMPLETED"
+ db_nslcmop_update["detailed-status"] = "Done"
+
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="IDLE",
+ current_operation_id=None,
+ other_update=db_nsr_update,
+ )
+
+ if nslcmop_operation_state:
+ try:
+ msg = {
+ "nsr_id": nsr_id,
+ "nslcmop_id": nslcmop_id,
+ "operationState": nslcmop_operation_state,
+ }
+ await self.msg.aiowrite("ns", "scaled", msg, loop=self.loop)
+ except Exception as e:
+ self.logger.error(
+ logging_text + "kafka_write notification Exception {}".format(e)
+ )
+ self.logger.debug(logging_text + "Exit")
+ self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_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"]
+ kdu_model = deployed_kdu.get("kdu-model")
+ 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,
+ cluster_uuid=cluster_uuid,
+ kdu_model=kdu_model,
+ atomic=True,
+ db_dict=db_dict,
+ ),
+ 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
+ ):
+ nsr_id = db_nslcmop["nsInstanceId"]
+ db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
+ db_vnfrs = {}
+
+ # read from db: vnfd's for every vnf
+ db_vnfds = []
+
+ # for each vnf in ns, read vnfd
+ for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
+ db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
+ vnfd_id = vnfr["vnfd-id"] # vnfd uuid for this vnf
+ # if we haven't this vnfd, read it from db
+ if not find_in_list(db_vnfds, lambda a_vnfd: a_vnfd["id"] == vnfd_id):
+ # read from db
+ vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+ db_vnfds.append(vnfd)
+ n2vc_key = self.n2vc.get_public_key()
+ n2vc_key_list = [n2vc_key]
+ self.scale_vnfr(
+ db_vnfr,
+ vdu_scaling_info.get("vdu-create"),
+ vdu_scaling_info.get("vdu-delete"),
+ mark_delete=True,
+ )
+ # db_vnfr has been updated, update db_vnfrs to use it
+ db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
+ await self._instantiate_ng_ro(
+ logging_text,
+ nsr_id,
+ db_nsd,
+ db_nsr,
+ db_nslcmop,
+ db_vnfrs,
+ db_vnfds,
+ n2vc_key_list,
+ stage=stage,
+ start_deploy=time(),
+ timeout_ns_deploy=self.timeout_ns_deploy,
+ )
+ if vdu_scaling_info.get("vdu-delete"):
+ self.scale_vnfr(
+ db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False
+ )
+
+ async def extract_prometheus_scrape_jobs(
+ self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip
+ ):
+ # look if exist a file called 'prometheus*.j2' and
+ artifact_content = self.fs.dir_ls(artifact_path)
+ job_file = next(
+ (
+ f
+ for f in artifact_content
+ if f.startswith("prometheus") and f.endswith(".j2")
+ ),
+ None,
+ )
+ if not job_file:
+ return
+ with self.fs.file_open((artifact_path, job_file), "r") as f:
+ job_data = f.read()
+
+ # TODO get_service
+ _, _, service = ee_id.partition(".") # remove prefix "namespace."
+ host_name = "{}-{}".format(service, ee_config_descriptor["metric-service"])
+ host_port = "80"
+ vnfr_id = vnfr_id.replace("-", "")
+ variables = {
+ "JOB_NAME": vnfr_id,
+ "TARGET_IP": target_ip,
+ "EXPORTER_POD_IP": host_name,
+ "EXPORTER_POD_PORT": host_port,
+ }
+ 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 (
+ not isinstance(job.get("job_name"), str)
+ or vnfr_id not in job["job_name"]
+ ):
+ job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
+ job["nsr_id"] = nsr_id
+ job["vnfr_id"] = vnfr_id
+ return job_list
+
+ async def rebuild_start_stop(self, nsr_id, nslcmop_id, vnf_id, additional_param, operation_type):
+ logging_text = "Task ns={} {}={} ".format(nsr_id, operation_type, nslcmop_id)
+ self.logger.info(logging_text + "Enter")
+ stage = ["Preparing the environment", ""]
+ # database nsrs record
+ db_nsr_update = {}
+ vdu_vim_name = None
+ vim_vm_id = None
+ # in case of error, indicates what part of scale was failed to put nsr at error status
+ start_deploy = time()
+ try:
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_id})
+ vim_account_id = db_vnfr.get("vim-account-id")
+ vim_info_key = "vim:" + vim_account_id
+ vdur = find_in_list(
+ db_vnfr["vdur"], lambda vdu: vdu["count-index"] == additional_param["count-index"]
+ )
+ if vdur:
+ vdu_vim_name = vdur["name"]
+ vim_vm_id = vdur["vim_info"][vim_info_key]["vim_id"]
+ target_vim, _ = next(k_v for k_v in vdur["vim_info"].items())
+ self.logger.info("vdu_vim_name >> {} ".format(vdu_vim_name))
+ # wait for any previous tasks in process
+ stage[1] = "Waiting for previous operations to terminate"
+ self.logger.info(stage[1])
+ await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
+
+ stage[1] = "Reading from database."
+ self.logger.info(stage[1])
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation=operation_type.upper(),
+ current_operation_id=nslcmop_id
+ )
+ self._write_op_status(op_id=nslcmop_id, stage=stage, queuePosition=0)
+
+ # read from db: ns
+ stage[1] = "Getting nsr={} from db.".format(nsr_id)
+ db_nsr_update["operational-status"] = operation_type
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ # Payload for RO
+ desc = {
+ operation_type: {
+ "vim_vm_id": vim_vm_id,
+ "vnf_id": vnf_id,
+ "vdu_index": additional_param["count-index"],
+ "vdu_id": vdur["id"],
+ "target_vim": target_vim,
+ "vim_account_id": vim_account_id
+ }
+ }
+ stage[1] = "Sending rebuild request to RO... {}".format(desc)
+ self._write_op_status(op_id=nslcmop_id, stage=stage, queuePosition=0)
+ self.logger.info("ro nsr id: {}".format(nsr_id))
+ result_dict = await self.RO.operate(nsr_id, desc, operation_type)
+ self.logger.info("response from RO: {}".format(result_dict))
+ action_id = result_dict["action_id"]
+ await self._wait_ng_ro(
+ nsr_id, action_id, nslcmop_id, start_deploy, self.timeout_operate
+ )
+ return "COMPLETED", "Done"
+ except (ROclient.ROClientException, DbException, LcmException) as e:
+ self.logger.error("Exit Exception {}".format(e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error("Cancelled Exception while '{}'".format(stage))
+ exc = "Operation was cancelled"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical("Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
+ return "FAILED", "Error in operate VNF {}".format(exc)
+
+ def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
+ """
+ Get VCA Cloud and VCA Cloud Credentials for the VIM account
+
+ :param: vim_account_id: VIM Account ID
+
+ :return: (cloud_name, cloud_credential)
+ """
+ config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
+ return config.get("vca_cloud"), config.get("vca_cloud_credential")
+
+ def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
+ """
+ Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
+
+ :param: vim_account_id: VIM Account ID
+
+ :return: (cloud_name, cloud_credential)
+ """
+ config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
+ return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")
+
+ async def migrate(self, nsr_id, nslcmop_id):
+ """
+ Migrate VNFs and VDUs instances in a NS
+
+ :param: nsr_id: NS Instance ID
+ :param: nslcmop_id: nslcmop ID of migrate
+
+ """
+ # 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={} migrate ".format(nsr_id)
+ self.logger.debug(logging_text + "Enter")
+ # get all needed from database
+ db_nslcmop = None
+ db_nslcmop_update = {}
+ nslcmop_operation_state = None
+ db_nsr_update = {}
+ target = {}
+ exc = None
+ # in case of error, indicates what part of scale was failed to put nsr at error status
+ start_deploy = time()
+
+ try:
+ # wait for any previous tasks in process
+ step = "Waiting for previous operations to terminate"
+ await self.lcm_tasks.waitfor_related_HA("ns", "nslcmops", nslcmop_id)
+
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="MIGRATING",
+ current_operation_id=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})
+ migrate_params = db_nslcmop.get("operationParams")
+
+ target = {}
+ target.update(migrate_params)
+ desc = await self.RO.migrate(nsr_id, target)
+ self.logger.debug("RO return > {}".format(desc))
+ action_id = desc["action_id"]
+ await self._wait_ng_ro(
+ nsr_id, action_id, nslcmop_id, start_deploy, self.timeout_migrate,
+ operation="migrate"
+ )
+ except (ROclient.ROClientException, DbException, LcmException) as e:
+ self.logger.error("Exit Exception {}".format(e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error("Cancelled Exception while '{}'".format(step))
+ exc = "Operation was cancelled"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical(
+ "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True
+ )
+ finally:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="IDLE",
+ current_operation_id=None,
+ )
+ if exc:
+ db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
+ nslcmop_operation_state = "FAILED"
+ else:
+ nslcmop_operation_state = "COMPLETED"
+ db_nslcmop_update["detailed-status"] = "Done"
+ db_nsr_update["detailed-status"] = "Done"
+
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message="",
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
+ if nslcmop_operation_state:
+ try:
+ msg = {
+ "nsr_id": nsr_id,
+ "nslcmop_id": nslcmop_id,
+ "operationState": nslcmop_operation_state,
+ }
+ await self.msg.aiowrite("ns", "migrated", msg, loop=self.loop)
+ except Exception as e:
+ self.logger.error(
+ logging_text + "kafka_write notification Exception {}".format(e)
+ )
+ self.logger.debug(logging_text + "Exit")
+ self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_migrate")
+
+
+ async def heal(self, nsr_id, nslcmop_id):
+ """
+ Heal NS
+
+ :param nsr_id: ns instance to heal
+ :param nslcmop_id: operation to run
+ :return:
+ """
+
+ # 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={} heal={} ".format(nsr_id, nslcmop_id)
+ stage = ["", "", ""]
+ tasks_dict_info = {}
+ # ^ stage, step, VIM progress
+ self.logger.debug(logging_text + "Enter")
+ # get all needed from database
+ db_nsr = None
+ db_nslcmop_update = {}
+ db_nsr_update = {}
+ db_vnfrs = {} # vnf's info indexed by _id
+ exc = None
+ old_operational_status = ""
+ old_config_status = ""
+ nsi_id = None
+ try:
+ # wait for any previous tasks in process
+ step = "Waiting for previous operations to terminate"
+ await self.lcm_tasks.waitfor_related_HA("ns", "nslcmops", nslcmop_id)
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="HEALING",
+ current_operation_id=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"]
+
+ db_nsr_update = {
+ "_admin.deployed.RO.operational-status": "healing",
+ }
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+
+ step = "Sending heal order to VIM"
+ task_ro = asyncio.ensure_future(
+ self.heal_RO(
+ logging_text=logging_text,
+ nsr_id=nsr_id,
+ db_nslcmop=db_nslcmop,
+ stage=stage,
+ )
+ )
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "heal_RO", task_ro)
+ tasks_dict_info[task_ro] = "Healing at VIM"
+
+ # VCA tasks
+ # read from db: nsd
+ 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
+ # read from db: vnfr's of this ns
+ step = "Getting vnfrs from db"
+ db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+ for vnfr in db_vnfrs_list:
+ db_vnfrs[vnfr["_id"]] = vnfr
+ self.logger.debug("ns.heal db_vnfrs={}".format(db_vnfrs))
+
+ # Check for each target VNF
+ target_list = db_nslcmop.get("operationParams", {}).get("healVnfData", {})
+ for target_vnf in target_list:
+ # Find this VNF in the list from DB
+ vnfr_id = target_vnf.get("vnfInstanceId", None)
+ if vnfr_id:
+ db_vnfr = db_vnfrs[vnfr_id]
+ vnfd_id = db_vnfr.get("vnfd-id")
+ vnfd_ref = db_vnfr.get("vnfd-ref")
+ vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+ base_folder = vnfd["_admin"]["storage"]
+ vdu_id = None
+ vdu_index = 0
+ vdu_name = None
+ kdu_name = None
+ nsi_id = None # TODO put nsi_id when this nsr belongs to a NSI
+ member_vnf_index = db_vnfr.get("member-vnf-index-ref")
+
+ # Check each target VDU and deploy N2VC
+ for target_vdu in target_vnf["additionalParams"].get("vdu", None):
+ deploy_params_vdu = target_vdu
+ # Set run-day1 vnf level value if not vdu level value exists
+ if not deploy_params_vdu.get("run-day1") and target_vnf["additionalParams"].get("run-day1"):
+ deploy_params_vdu["run-day1"] = target_vnf["additionalParams"].get("run-day1")
+ vdu_name = target_vdu.get("vdu-id", None)
+ # TODO: Get vdu_id from vdud.
+ vdu_id = vdu_name
+ # For multi instance VDU count-index is mandatory
+ # For single session VDU count-indes is 0
+ vdu_index = target_vdu.get("count-index",0)
+
+ # n2vc_redesign STEP 3 to 6 Deploy N2VC
+ stage[1] = "Deploying Execution Environments."
+ self.logger.debug(logging_text + stage[1])
+
+ # VNF Level charm. Normal case when proxy charms.
+ # If target instance is management machine continue with actions: recreate EE for native charms or reinject juju key for proxy charms.
+ descriptor_config = get_configuration(vnfd, vnfd_ref)
+ if descriptor_config:
+ # Continue if healed machine is management machine
+ vnf_ip_address = db_vnfr.get("ip-address")
+ target_instance = None
+ for instance in db_vnfr.get("vdur", None):
+ if ( instance["vdu-name"] == vdu_name and instance["count-index"] == vdu_index ):
+ target_instance = instance
+ break
+ if vnf_ip_address == target_instance.get("ip-address"):
+ self._heal_n2vc(
+ logging_text=logging_text
+ + "member_vnf_index={}, vdu_name={}, vdu_index={} ".format(
+ member_vnf_index, vdu_name, 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_ref,
+ vdu_id=None,
+ kdu_name=None,
+ member_vnf_index=member_vnf_index,
+ vdu_index=0,
+ vdu_name=None,
+ deploy_params=deploy_params_vdu,
+ descriptor_config=descriptor_config,
+ base_folder=base_folder,
+ task_instantiation_info=tasks_dict_info,
+ stage=stage,
+ )
+
+ # VDU Level charm. Normal case with native charms.
+ descriptor_config = get_configuration(vnfd, vdu_name)
+ if descriptor_config:
+ self._heal_n2vc(
+ logging_text=logging_text
+ + "member_vnf_index={}, vdu_name={}, vdu_index={} ".format(
+ member_vnf_index, vdu_name, 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_ref,
+ 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,
+ )
+
+ except (
+ ROclient.ROClientException,
+ DbException,
+ LcmException,
+ NgRoException,
+ ) as e:
+ self.logger.error(logging_text + "Exit Exception {}".format(e))
+ exc = e
+ except asyncio.CancelledError:
+ self.logger.error(
+ logging_text + "Cancelled Exception while '{}'".format(step)
+ )
+ exc = "Operation was cancelled"
+ except Exception as e:
+ exc = traceback.format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception {} {}".format(type(e).__name__, e),
+ exc_info=True,
+ )
+ finally:
+ if tasks_dict_info:
+ stage[1] = "Waiting for healing pending tasks."
+ self.logger.debug(logging_text + stage[1])
+ exc = await self._wait_for_tasks(
+ logging_text,
+ tasks_dict_info,
+ self.timeout_ns_deploy,
+ stage,
+ nslcmop_id,
+ nsr_id=nsr_id,
+ )
+ if exc:
+ db_nslcmop_update[
+ "detailed-status"
+ ] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
+ nslcmop_operation_state = "FAILED"
+ if db_nsr:
+ db_nsr_update["operational-status"] = old_operational_status
+ db_nsr_update["config-status"] = old_config_status
+ db_nsr_update[
+ "detailed-status"
+ ] = "FAILED healing nslcmop={} {}: {}".format(
+ nslcmop_id, step, exc
+ )
+ for task, task_name in tasks_dict_info.items():
+ if not task.done() or task.cancelled() or task.exception():
+ if task_name.startswith(self.task_name_deploy_vca):
+ # A N2VC task is pending
+ db_nsr_update["config-status"] = "failed"
+ else:
+ # RO task is pending
+ db_nsr_update["operational-status"] = "failed"
+ else:
+ error_description_nslcmop = None
+ nslcmop_operation_state = "COMPLETED"
+ db_nslcmop_update["detailed-status"] = "Done"
+ db_nsr_update["detailed-status"] = "Done"
+ db_nsr_update["operational-status"] = "running"
+ db_nsr_update["config-status"] = "configured"
+
+ self._write_op_status(
+ op_id=nslcmop_id,
+ stage="",
+ error_message=error_description_nslcmop,
+ operation_state=nslcmop_operation_state,
+ other_update=db_nslcmop_update,
+ )
+ if db_nsr:
+ self._write_ns_status(
+ nsr_id=nsr_id,
+ ns_state=None,
+ current_operation="IDLE",
+ current_operation_id=None,
+ other_update=db_nsr_update,
+ )
+
+ if nslcmop_operation_state:
+ try:
+ msg = {
+ "nsr_id": nsr_id,
+ "nslcmop_id": nslcmop_id,
+ "operationState": nslcmop_operation_state,
+ }
+ await self.msg.aiowrite("ns", "healed", msg, loop=self.loop)
+ except Exception as e:
+ self.logger.error(
+ logging_text + "kafka_write notification Exception {}".format(e)
+ )
+ self.logger.debug(logging_text + "Exit")
+ self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_heal")
+
+ async def heal_RO(
+ self,
+ logging_text,
+ nsr_id,
+ db_nslcmop,
+ stage,
+ ):
+ """
+ Heal at RO
+ :param logging_text: preffix text to use at logging
+ :param nsr_id: nsr identity
+ :param db_nslcmop: database content of ns operation, in this case, 'instantiate'
+ :param stage: list with 3 items: [general stage, tasks, vim_specific]. This task will write over vim_specific
+ :return: None or exception
+ """
+ def get_vim_account(vim_account_id):
+ nonlocal db_vims
+ if vim_account_id in db_vims:
+ return db_vims[vim_account_id]
+ db_vim = self.db.get_one("vim_accounts", {"_id": vim_account_id})
+ db_vims[vim_account_id] = db_vim
+ return db_vim
+
+ try:
+ start_heal = time()
+ ns_params = db_nslcmop.get("operationParams")
+ if ns_params and ns_params.get("timeout_ns_heal"):
+ timeout_ns_heal = ns_params["timeout_ns_heal"]
+ else:
+ timeout_ns_heal = self.timeout.get(
+ "ns_heal", self.timeout_ns_heal
+ )
+
+ db_vims = {}
+
+ nslcmop_id = db_nslcmop["_id"]
+ target = {
+ "action_id": nslcmop_id,
+ }
+ self.logger.warning("db_nslcmop={} and timeout_ns_heal={}".format(db_nslcmop,timeout_ns_heal))
+ target.update(db_nslcmop.get("operationParams", {}))
+
+ self.logger.debug("Send to RO > nsr_id={} target={}".format(nsr_id, target))
+ desc = await self.RO.recreate(nsr_id, target)
+ self.logger.debug("RO return > {}".format(desc))
+ action_id = desc["action_id"]
+ # waits for RO to complete because Reinjecting juju key at ro can find VM in state Deleted
+ await self._wait_ng_ro(
+ nsr_id, action_id, nslcmop_id, start_heal, timeout_ns_heal, stage,
+ operation="healing"
+ )
+
+ # Updating NSR
+ db_nsr_update = {
+ "_admin.deployed.RO.operational-status": "running",
+ "detailed-status": " ".join(stage),
+ }
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ self._write_op_status(nslcmop_id, stage)
+ self.logger.debug(
+ logging_text + "ns healed at RO. RO_id={}".format(action_id)
+ )
+
+ except Exception as e:
+ stage[2] = "ERROR healing at VIM"
+ #self.set_vnfr_at_error(db_vnfrs, str(e))
+ self.logger.error(
+ "Error healing at VIM {}".format(e),
+ exc_info=not isinstance(
+ e,
+ (
+ ROclient.ROClientException,
+ LcmException,
+ DbException,
+ NgRoException,
+ ),
+ ),
+ )
+ raise
+
+ def _heal_n2vc(
+ self,
+ logging_text,
+ db_nsr,
+ db_vnfr,
+ nslcmop_id,
+ nsr_id,
+ nsi_id,
+ vnfd_id,
+ vdu_id,
+ kdu_name,
+ member_vnf_index,
+ vdu_index,
+ vdu_name,
+ deploy_params,
+ descriptor_config,
+ base_folder,
+ task_instantiation_info,
+ stage,
+ ):
+ # launch instantiate_N2VC in a asyncio task and register task object
+ # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
+ # if not found, create one entry and update database
+ # fill db_nsr._admin.deployed.VCA.<index>
+
+ self.logger.debug(
+ logging_text + "_deploy_n2vc vnfd_id={}, vdu_id={}".format(vnfd_id, vdu_id)
+ )
+ 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 = []
+
+ for ee_item in ee_list:
+ self.logger.debug(
+ logging_text
+ + "_deploy_n2vc ee_item juju={}, helm={}".format(
+ ee_item.get("juju"), ee_item.get("helm-chart")
+ )
+ )
+ ee_descriptor_id = ee_item.get("id")
+ if ee_item.get("juju"):
+ vca_name = ee_item["juju"].get("charm")
+ vca_type = (
+ "lxc_proxy_charm"
+ if ee_item["juju"].get("charm") is not None
+ else "native_charm"
+ )
+ if ee_item["juju"].get("cloud") == "k8s":
+ vca_type = "k8s_proxy_charm"
+ elif ee_item["juju"].get("proxy") is False:
+ vca_type = "native_charm"
+ elif ee_item.get("helm-chart"):
+ vca_name = ee_item["helm-chart"]
+ if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
+ vca_type = "helm"
+ else:
+ vca_type = "helm-v3"
+ else:
+ self.logger.debug(
+ logging_text + "skipping non juju neither charm configuration"
+ )
+ continue
+
+ vca_index = -1
+ for vca_index, vca_deployed in enumerate(
+ db_nsr["_admin"]["deployed"]["VCA"]
+ ):
+ if not vca_deployed:
+ continue
+ if (
+ vca_deployed.get("member-vnf-index") == member_vnf_index
+ and vca_deployed.get("vdu_id") == vdu_id
+ and vca_deployed.get("kdu_name") == kdu_name
+ and vca_deployed.get("vdu_count_index", 0) == vdu_index
+ and vca_deployed.get("ee_descriptor_id") == ee_descriptor_id
+ ):
+ break
+ else:
+ # not found, create one.
+ target = (
+ "ns" if not member_vnf_index else "vnf/{}".format(member_vnf_index)
+ )
+ if vdu_id:
+ target += "/vdu/{}/{}".format(vdu_id, vdu_index or 0)
+ elif kdu_name:
+ target += "/kdu/{}".format(kdu_name)
+ vca_deployed = {
+ "target_element": target,
+ # ^ target_element will replace member-vnf-index, kdu_name, vdu_id ... in a single string
+ "member-vnf-index": member_vnf_index,
+ "vdu_id": vdu_id,
+ "kdu_name": kdu_name,
+ "vdu_count_index": vdu_index,
+ "operational-status": "init", # TODO revise
+ "detailed-status": "", # TODO revise
+ "step": "initial-deploy", # TODO revise
+ "vnfd_id": vnfd_id,
+ "vdu_name": vdu_name,
+ "type": vca_type,
+ "ee_descriptor_id": ee_descriptor_id,
+ }
+ vca_index += 1
+
+ # create VCA and configurationStatus in db
+ db_dict = {
+ "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
+ "configurationStatus.{}".format(vca_index): dict(),
+ }
+ self.update_db_2("nsrs", nsr_id, db_dict)
+
+ db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
+
+ self.logger.debug("N2VC > NSR_ID > {}".format(nsr_id))
+ self.logger.debug("N2VC > DB_NSR > {}".format(db_nsr))
+ self.logger.debug("N2VC > VCA_DEPLOYED > {}".format(vca_deployed))
+
+ # Launch task
+ task_n2vc = asyncio.ensure_future(
+ self.heal_N2VC(
+ logging_text=logging_text,
+ vca_index=vca_index,
+ nsi_id=nsi_id,
+ db_nsr=db_nsr,
+ db_vnfr=db_vnfr,
+ vdu_id=vdu_id,
+ kdu_name=kdu_name,
+ vdu_index=vdu_index,
+ deploy_params=deploy_params,
+ config_descriptor=descriptor_config,
+ base_folder=base_folder,
+ nslcmop_id=nslcmop_id,
+ stage=stage,
+ vca_type=vca_type,
+ vca_name=vca_name,
+ ee_config_descriptor=ee_item,
+ )
+ )
+ self.lcm_tasks.register(
+ "ns",
+ nsr_id,
+ nslcmop_id,
+ "instantiate_N2VC-{}".format(vca_index),
+ task_n2vc,
+ )
+ task_instantiation_info[
+ task_n2vc
+ ] = self.task_name_deploy_vca + " {}.{}".format(
+ member_vnf_index or "", vdu_id or ""
+ )
+
+ async def heal_N2VC(
+ self,
+ logging_text,
+ vca_index,
+ nsi_id,
+ db_nsr,
+ db_vnfr,
+ vdu_id,
+ kdu_name,
+ vdu_index,
+ config_descriptor,
+ deploy_params,
+ base_folder,
+ nslcmop_id,
+ stage,
+ vca_type,
+ vca_name,
+ ee_config_descriptor,
+ ):
+ nsr_id = db_nsr["_id"]
+ db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
+ vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
+ vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
+ osm_config = {"osm": {"ns_id": db_nsr["_id"]}}
+ db_dict = {
+ "collection": "nsrs",
+ "filter": {"_id": nsr_id},
+ "path": db_update_entry,
+ }
+ step = ""
+ try:
+
+ element_type = "NS"
+ element_under_configuration = nsr_id
+
+ vnfr_id = None
+ if db_vnfr:
+ vnfr_id = db_vnfr["_id"]
+ osm_config["osm"]["vnf_id"] = vnfr_id
+
+ 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, index_number)
+ if vdu_id:
+ namespace += ".{}-{}".format(vdu_id, index_number)
+ element_type = "VDU"
+ element_under_configuration = "{}-{}".format(vdu_id, index_number)
+ osm_config["osm"]["vdu_id"] = vdu_id
+ elif kdu_name:
+ namespace += ".{}".format(kdu_name)
+ element_type = "KDU"
+ element_under_configuration = kdu_name
+ osm_config["osm"]["kdu_name"] = kdu_name
+
+ # Get artifact path
+ if base_folder["pkg-dir"]:
+ artifact_path = "{}/{}/{}/{}".format(
+ base_folder["folder"],
+ base_folder["pkg-dir"],
+ "charms"
+ if vca_type
+ in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ vca_name,
+ )
+ else:
+ artifact_path = "{}/Scripts/{}/{}/".format(
+ base_folder["folder"],
+ "charms"
+ if vca_type
+ in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ vca_name,
+ )
+
+ self.logger.debug("Artifact path > {}".format(artifact_path))
+
+ # get initial_config_primitive_list that applies to this element
+ initial_config_primitive_list = config_descriptor.get(
+ "initial-config-primitive"
)
- db_nsr_update["config-status"] = old_config_status
- return
- except (
- ROclient.ROClientException,
- DbException,
- LcmException,
- NgRoException,
- ) as e:
- self.logger.error(logging_text + "Exit Exception {}".format(e))
- exc = e
- except asyncio.CancelledError:
- self.logger.error(
- logging_text + "Cancelled Exception while '{}'".format(step)
+
+ self.logger.debug(
+ "Initial config primitive list > {}".format(
+ initial_config_primitive_list
+ )
)
- exc = "Operation was cancelled"
- except Exception as e:
- exc = traceback.format_exc()
- self.logger.critical(
- logging_text + "Exit Exception {} {}".format(type(e).__name__, e),
- exc_info=True,
+
+ # add config if not present for NS charm
+ ee_descriptor_id = ee_config_descriptor.get("id")
+ self.logger.debug("EE Descriptor > {}".format(ee_descriptor_id))
+ initial_config_primitive_list = get_ee_sorted_initial_config_primitive_list(
+ initial_config_primitive_list, vca_deployed, ee_descriptor_id
)
- finally:
- self._write_ns_status(
- nsr_id=nsr_id,
- ns_state=None,
- current_operation="IDLE",
- current_operation_id=None,
+
+ self.logger.debug(
+ "Initial config primitive list #2 > {}".format(
+ initial_config_primitive_list
+ )
)
- if tasks_dict_info:
- stage[1] = "Waiting for instantiate pending tasks."
- self.logger.debug(logging_text + stage[1])
- exc = await self._wait_for_tasks(
+ # n2vc_redesign STEP 3.1
+ # find old ee_id if exists
+ ee_id = vca_deployed.get("ee_id")
+
+ vca_id = self.get_vca_id(db_vnfr, db_nsr)
+ # create or register execution environment in VCA. Only for native charms when healing
+ if vca_type == "native_charm":
+ step = "Waiting to VM being up and getting IP address"
+ self.logger.debug(logging_text + step)
+ rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(
logging_text,
- tasks_dict_info,
- self.timeout_ns_deploy,
- stage,
- nslcmop_id,
+ nsr_id,
+ vnfr_id,
+ vdu_id,
+ vdu_index,
+ user=None,
+ pub_key=None,
+ )
+ credentials = {"hostname": rw_mgmt_ip}
+ # get username
+ username = deep_get(
+ config_descriptor, ("config-access", "ssh-access", "default-user")
+ )
+ # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
+ # merged. Meanwhile let's get username from initial-config-primitive
+ if not username and initial_config_primitive_list:
+ for config_primitive in initial_config_primitive_list:
+ for param in config_primitive.get("parameter", ()):
+ if param["name"] == "ssh-username":
+ username = param["value"]
+ break
+ if not username:
+ raise LcmException(
+ "Cannot determine the username neither with 'initial-config-primitive' nor with "
+ "'config-access.ssh-access.default-user'"
+ )
+ credentials["username"] = username
+
+ # n2vc_redesign STEP 3.2
+ # TODO: Before healing at RO it is needed to destroy native charm units to be deleted.
+ self._write_configuration_status(
nsr_id=nsr_id,
+ vca_index=vca_index,
+ status="REGISTERING",
+ element_under_configuration=element_under_configuration,
+ element_type=element_type,
)
- if exc:
- db_nslcmop_update[
- "detailed-status"
- ] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
- nslcmop_operation_state = "FAILED"
- if db_nsr:
- db_nsr_update["operational-status"] = old_operational_status
- db_nsr_update["config-status"] = old_config_status
- db_nsr_update["detailed-status"] = ""
- if scale_process:
- if "VCA" in scale_process:
- db_nsr_update["config-status"] = "failed"
- if "RO" in scale_process:
- db_nsr_update["operational-status"] = "failed"
- db_nsr_update[
- "detailed-status"
- ] = "FAILED scaling nslcmop={} {}: {}".format(
- nslcmop_id, step, exc
- )
- else:
- error_description_nslcmop = None
- nslcmop_operation_state = "COMPLETED"
- db_nslcmop_update["detailed-status"] = "Done"
- self._write_op_status(
- op_id=nslcmop_id,
- stage="",
- error_message=error_description_nslcmop,
- operation_state=nslcmop_operation_state,
- other_update=db_nslcmop_update,
+ step = "register execution environment {}".format(credentials)
+ self.logger.debug(logging_text + step)
+ ee_id = await self.vca_map[vca_type].register_execution_environment(
+ credentials=credentials,
+ namespace=namespace,
+ db_dict=db_dict,
+ vca_id=vca_id,
+ )
+
+ # update ee_id en db
+ db_dict_ee_id = {
+ "_admin.deployed.VCA.{}.ee_id".format(vca_index): ee_id,
+ }
+ self.update_db_2("nsrs", nsr_id, db_dict_ee_id)
+
+ # for compatibility with MON/POL modules, the need model and application name at database
+ # TODO ask MON/POL if needed to not assuming anymore the format "model_name.application_name"
+ # Not sure if this need to be done when healing
+ """
+ ee_id_parts = ee_id.split(".")
+ db_nsr_update = {db_update_entry + "ee_id": ee_id}
+ if len(ee_id_parts) >= 2:
+ model_name = ee_id_parts[0]
+ application_name = ee_id_parts[1]
+ db_nsr_update[db_update_entry + "model"] = model_name
+ db_nsr_update[db_update_entry + "application"] = application_name
+ """
+
+ # n2vc_redesign STEP 3.3
+ # Install configuration software. Only for native charms.
+ step = "Install configuration Software"
+
+ self._write_configuration_status(
+ nsr_id=nsr_id,
+ vca_index=vca_index,
+ status="INSTALLING SW",
+ element_under_configuration=element_under_configuration,
+ element_type=element_type,
+ #other_update=db_nsr_update,
+ other_update=None,
)
- if db_nsr:
- self._write_ns_status(
- nsr_id=nsr_id,
- ns_state=None,
- current_operation="IDLE",
- current_operation_id=None,
- other_update=db_nsr_update,
+
+ # TODO check if already done
+ self.logger.debug(logging_text + step)
+ config = None
+ if vca_type == "native_charm":
+ config_primitive = next(
+ (p for p in initial_config_primitive_list if p["name"] == "config"),
+ None,
+ )
+ if config_primitive:
+ config = self._map_primitive_params(
+ config_primitive, {}, deploy_params
+ )
+ await self.vca_map[vca_type].install_configuration_sw(
+ ee_id=ee_id,
+ artifact_path=artifact_path,
+ db_dict=db_dict,
+ config=config,
+ num_units=1,
+ vca_id=vca_id,
+ vca_type=vca_type,
)
- if nslcmop_operation_state:
- try:
- msg = {
- "nsr_id": nsr_id,
- "nslcmop_id": nslcmop_id,
- "operationState": nslcmop_operation_state,
- }
- await self.msg.aiowrite("ns", "scaled", msg, loop=self.loop)
- except Exception as e:
- self.logger.error(
- logging_text + "kafka_write notification Exception {}".format(e)
+ # write in db flag of configuration_sw already installed
+ self.update_db_2(
+ "nsrs", nsr_id, {db_update_entry + "config_sw_installed": True}
+ )
+
+ # Not sure if this need to be done when healing
+ """
+ # add relations for this VCA (wait for other peers related with this VCA)
+ await self._add_vca_relations(
+ logging_text=logging_text,
+ nsr_id=nsr_id,
+ vca_type=vca_type,
+ vca_index=vca_index,
+ )
+ """
+
+ # if SSH access is required, then get execution environment SSH public
+ # if native charm we have waited already to VM be UP
+ if vca_type in ("k8s_proxy_charm", "lxc_proxy_charm", "helm", "helm-v3"):
+ pub_key = None
+ user = None
+ # self.logger.debug("get ssh key block")
+ if deep_get(
+ config_descriptor, ("config-access", "ssh-access", "required")
+ ):
+ # self.logger.debug("ssh key needed")
+ # Needed to inject a ssh key
+ user = deep_get(
+ config_descriptor,
+ ("config-access", "ssh-access", "default-user"),
+ )
+ step = "Install configuration Software, getting public ssh key"
+ pub_key = await self.vca_map[vca_type].get_ee_ssh_public__key(
+ ee_id=ee_id, db_dict=db_dict, vca_id=vca_id
)
- 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"]
- kdu_model = deployed_kdu.get("kdu-model")
- scale = int(kdu_scaling_info["scale"])
- k8s_cluster_type = kdu_scaling_info["k8s-cluster-type"]
+ step = "Insert public key into VM user={} ssh_key={}".format(
+ user, pub_key
+ )
+ else:
+ # self.logger.debug("no need to get ssh key")
+ step = "Waiting to VM being up and getting IP address"
+ self.logger.debug(logging_text + step)
+
+ # n2vc_redesign STEP 5.1
+ # wait for RO (ip-address) Insert pub_key into VM
+ # IMPORTANT: We need do wait for RO to complete healing operation.
+ await self._wait_heal_ro(nsr_id,self.timeout_ns_heal)
+ if vnfr_id:
+ if kdu_name:
+ rw_mgmt_ip = await self.wait_kdu_up(
+ logging_text, nsr_id, vnfr_id, kdu_name
+ )
+ else:
+ rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(
+ logging_text,
+ nsr_id,
+ vnfr_id,
+ vdu_id,
+ vdu_index,
+ user=user,
+ pub_key=pub_key,
+ )
+ else:
+ rw_mgmt_ip = None # This is for a NS configuration
- db_dict = {
- "collection": "nsrs",
- "filter": {"_id": nsr_id},
- "path": "_admin.deployed.K8s.{}".format(index),
- }
+ self.logger.debug(logging_text + " VM_ip_address={}".format(rw_mgmt_ip))
- step = "scaling application {}".format(
- kdu_scaling_info["resource-name"]
+ # store rw_mgmt_ip in deploy params for later replacement
+ deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
+
+ # Day1 operations.
+ # get run-day1 operation parameter
+ runDay1 = deploy_params.get("run-day1",False)
+ self.logger.debug(" Healing vnf={}, vdu={}, runDay1 ={}".format(vnfr_id,vdu_id,runDay1))
+ if runDay1:
+ # n2vc_redesign STEP 6 Execute initial config primitive
+ step = "execute initial config primitive"
+
+ # wait for dependent primitives execution (NS -> VNF -> VDU)
+ if initial_config_primitive_list:
+ await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
+
+ # stage, in function of element type: vdu, kdu, vnf or ns
+ my_vca = vca_deployed_list[vca_index]
+ if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
+ # VDU or KDU
+ stage[0] = "Stage 3/5: running Day-1 primitives for VDU."
+ elif my_vca.get("member-vnf-index"):
+ # VNF
+ stage[0] = "Stage 4/5: running Day-1 primitives for VNF."
+ else:
+ # NS
+ stage[0] = "Stage 5/5: running Day-1 primitives for NS."
+
+ self._write_configuration_status(
+ nsr_id=nsr_id, vca_index=vca_index, status="EXECUTING PRIMITIVE"
)
- 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"])
+ self._write_op_status(op_id=nslcmop_id, stage=stage)
+
+ check_if_terminated_needed = True
+ for initial_config_primitive in initial_config_primitive_list:
+ # adding information on the vca_deployed if it is a NS execution environment
+ if not vca_deployed["member-vnf-index"]:
+ deploy_params["ns_config_info"] = json.dumps(
+ self._get_ns_config_info(nsr_id)
)
+ # TODO check if already done
+ primitive_params_ = self._map_primitive_params(
+ initial_config_primitive, {}, deploy_params
+ )
- 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,
+ step = "execute primitive '{}' params '{}'".format(
+ initial_config_primitive["name"], primitive_params_
+ )
+ self.logger.debug(logging_text + step)
+ await self.vca_map[vca_type].exec_primitive(
+ ee_id=ee_id,
+ primitive_name=initial_config_primitive["name"],
+ 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:
+ if config_descriptor.get("terminate-config-primitive"):
+ self.update_db_2(
+ "nsrs", nsr_id, {db_update_entry + "needed_terminate": True}
)
+ check_if_terminated_needed = False
- await asyncio.wait_for(
- self.k8scluster_map[k8s_cluster_type].scale(
- kdu_instance,
- 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,
+ # TODO register in database that primitive is done
+
+ # STEP 7 Configure metrics
+ # Not sure if this need to be done when healing
+ """
+ if vca_type == "helm" or vca_type == "helm-v3":
+ prometheus_jobs = await self.extract_prometheus_scrape_jobs(
+ ee_id=ee_id,
+ artifact_path=artifact_path,
+ ee_config_descriptor=ee_config_descriptor,
+ vnfr_id=vnfr_id,
+ nsr_id=nsr_id,
+ target_ip=rw_mgmt_ip,
)
+ if prometheus_jobs:
+ self.update_db_2(
+ "nsrs",
+ nsr_id,
+ {db_update_entry + "prometheus_jobs": prometheus_jobs},
+ )
- 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 job in prometheus_jobs:
+ self.db.set_one(
+ "prometheus_jobs",
+ {"job_name": job["job_name"]},
+ job,
+ upsert=True,
+ fail_on_empty=False,
)
- 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
- ):
- nsr_id = db_nslcmop["nsInstanceId"]
- db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
- db_vnfrs = {}
-
- # read from db: vnfd's for every vnf
- db_vnfds = []
+ """
+ step = "instantiated at VCA"
+ self.logger.debug(logging_text + step)
- # for each vnf in ns, read vnfd
- for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
- db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
- vnfd_id = vnfr["vnfd-id"] # vnfd uuid for this vnf
- # if we haven't this vnfd, read it from db
- if not find_in_list(db_vnfds, lambda a_vnfd: a_vnfd["id"] == vnfd_id):
- # read from db
- vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
- db_vnfds.append(vnfd)
- n2vc_key = self.n2vc.get_public_key()
- n2vc_key_list = [n2vc_key]
- self.scale_vnfr(
- db_vnfr,
- vdu_scaling_info.get("vdu-create"),
- vdu_scaling_info.get("vdu-delete"),
- mark_delete=True,
- )
- # db_vnfr has been updated, update db_vnfrs to use it
- db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
- await self._instantiate_ng_ro(
- logging_text,
- nsr_id,
- db_nsd,
- db_nsr,
- db_nslcmop,
- db_vnfrs,
- db_vnfds,
- n2vc_key_list,
- stage=stage,
- start_deploy=time(),
- timeout_ns_deploy=self.timeout_ns_deploy,
- )
- if vdu_scaling_info.get("vdu-delete"):
- self.scale_vnfr(
- db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False
+ self._write_configuration_status(
+ nsr_id=nsr_id, vca_index=vca_index, status="READY"
)
- async def extract_prometheus_scrape_jobs(
- self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip
- ):
- # look if exist a file called 'prometheus*.j2' and
- artifact_content = self.fs.dir_ls(artifact_path)
- job_file = next(
- (
- f
- for f in artifact_content
- if f.startswith("prometheus") and f.endswith(".j2")
- ),
- None,
- )
- if not job_file:
- return
- with self.fs.file_open((artifact_path, job_file), "r") as f:
- job_data = f.read()
-
- # TODO get_service
- _, _, service = ee_id.partition(".") # remove prefix "namespace."
- host_name = "{}-{}".format(service, ee_config_descriptor["metric-service"])
- host_port = "80"
- vnfr_id = vnfr_id.replace("-", "")
- variables = {
- "JOB_NAME": vnfr_id,
- "TARGET_IP": target_ip,
- "EXPORTER_POD_IP": host_name,
- "EXPORTER_POD_PORT": host_port,
- }
- 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 (
- not isinstance(job.get("job_name"), str)
- or vnfr_id not in job["job_name"]
+ except Exception as e: # TODO not use Exception but N2VC exception
+ # self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
+ if not isinstance(
+ e, (DbException, N2VCException, LcmException, asyncio.CancelledError)
):
- job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
- job["nsr_id"] = nsr_id
- job["vnfr_id"] = vnfr_id
- return job_list
-
- def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
- """
- Get VCA Cloud and VCA Cloud Credentials for the VIM account
-
- :param: vim_account_id: VIM Account ID
-
- :return: (cloud_name, cloud_credential)
- """
- config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
- return config.get("vca_cloud"), config.get("vca_cloud_credential")
-
- def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
- """
- Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
-
- :param: vim_account_id: VIM Account ID
+ self.logger.error(
+ "Exception while {} : {}".format(step, e), exc_info=True
+ )
+ self._write_configuration_status(
+ nsr_id=nsr_id, vca_index=vca_index, status="BROKEN"
+ )
+ raise LcmException("{} {}".format(step, e)) from e
- :return: (cloud_name, cloud_credential)
- """
- config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
- return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")
+ async def _wait_heal_ro(
+ self,
+ nsr_id,
+ timeout=600,
+ ):
+ start_time = time()
+ while time() <= start_time + timeout:
+ db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ operational_status_ro = db_nsr["_admin"]["deployed"]["RO"]["operational-status"]
+ self.logger.debug("Wait Heal RO > {}".format(operational_status_ro))
+ if operational_status_ro != "healing":
+ break
+ await asyncio.sleep(15, loop=self.loop)
+ else: # timeout_ns_deploy
+ raise NgRoException("Timeout waiting ns to deploy")