from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
from osm_lcm import ROclient
-from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
+from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get
from n2vc.k8s_helm_conn import K8sHelmConnector
from osm_common.dbbase import DbException
target_dict[key_list[-1]] = value
-def deep_get(target_dict, key_list):
- """
- Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
- Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None
- :param target_dict: dictionary to be read
- :param key_list: list of keys to read from target_dict
- :return: The wanted value if exist, None otherwise
- """
- for key in key_list:
- if not isinstance(target_dict, dict) or key not in target_dict:
- return None
- target_dict = target_dict[key]
- return target_dict
-
-
class NsLcm(LcmBase):
timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed
total_deploy_timeout = 2 * 3600 # global timeout for deployment
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
self.logger.debug(logging_text + "Before deploy_kdus")
- db_k8scluster_list = self.db.get_list("k8sclusters", {})
# Call to deploy_kdus in case exists the "vdu:kdu" param
task_kdu = asyncio.ensure_future(
self.deploy_kdus(
logging_text=logging_text,
nsr_id=nsr_id,
- nsd=nsd,
db_nsr=db_nsr,
- db_nslcmop=db_nslcmop,
db_vnfrs=db_vnfrs,
- db_vnfds_ref=db_vnfds_ref,
- db_k8scluster=db_k8scluster_list
)
)
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
# Get additional parameters
deploy_params = {}
if db_vnfr.get("additionalParamsForVnf"):
- deploy_params = db_vnfr["additionalParamsForVnf"].copy()
- for k, v in deploy_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- deploy_params[k] = yaml.safe_load(v[7:])
+ deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
descriptor_config = vnfd.get("vnf-configuration")
if descriptor_config and descriptor_config.get("juju"):
for vdud in get_iterable(vnfd, 'vdu'):
vdu_id = vdud["id"]
descriptor_config = vdud.get('vdu-configuration')
+ vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
+ if vdur.get("additionalParams"):
+ deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
+ else:
+ deploy_params_vdu = deploy_params
if descriptor_config and descriptor_config.get("juju"):
# look for vdu index in the db_vnfr["vdu"] section
# for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
- deploy_params=deploy_params,
+ deploy_params=deploy_params_vdu,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_list=task_instantiation_list
# Get additional parameters
deploy_params = {}
if db_nsr.get("additionalParamsForNs"):
- deploy_params = db_nsr["additionalParamsForNs"].copy()
- for k, v in deploy_params.items():
- if isinstance(v, str) and v.startswith("!!yaml "):
- deploy_params[k] = yaml.safe_load(v[7:])
+ deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
base_folder = nsd["_admin"]["storage"]
self._deploy_n2vc(
logging_text=logging_text,
self.logger.debug(logging_text + "Exit")
self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
- async def deploy_kdus(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref, db_k8scluster):
+ async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs):
# Launch kdus if present in the descriptor
- logging_text = "Deploy kdus: "
- db_nsr_update = {}
- db_nsr_update["_admin.deployed.K8s"] = []
- try:
- # Look for all vnfds
- # db_nsr_update["_admin.deployed.K8s"] = []
- vnf_update = []
- task_list = []
- for c_vnf in nsd.get("constituent-vnfd", ()):
- vnfr = db_vnfrs[c_vnf["member-vnf-index"]]
- member_vnf_index = c_vnf["member-vnf-index"]
- vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
- vnfd_ref = vnfd["id"]
- desc_params = {}
- step = "Checking kdu from vnf: {} - member-vnf-index: {}".format(vnfd_ref, member_vnf_index)
- self.logger.debug(logging_text + step)
- if vnfd.get("kdu"):
- step = "vnf: {} has kdus".format(vnfd_ref)
- self.logger.debug(logging_text + step)
- for vnfr_name, vnfr_data in db_vnfrs.items():
- if vnfr_data["vnfd-ref"] == vnfd["id"]:
- if vnfr_data.get("additionalParamsForVnf"):
- desc_params = self._format_additional_params(vnfr_data["additionalParamsForVnf"])
- break
- else:
- raise LcmException("VNF descriptor not found with id: {}".format(vnfr_data["vnfd-ref"]))
- self.logger.debug(logging_text + step)
+ k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
- for kdur in vnfr.get("kdur"):
- index = 0
- for k8scluster in db_k8scluster:
- if kdur["k8s-cluster"]["id"] == k8scluster["_id"]:
- cluster_uuid = k8scluster["cluster-uuid"]
- break
- else:
- raise LcmException("K8scluster not found with id: {}".format(kdur["k8s-cluster"]["id"]))
- self.logger.debug(logging_text + step)
+ def _get_cluster_id(cluster_id, cluster_type):
+ nonlocal k8scluster_id_2_uuic
+ if cluster_id in k8scluster_id_2_uuic[cluster_type]:
+ return k8scluster_id_2_uuic[cluster_type][cluster_id]
- step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
- self.logger.debug(logging_text + step)
- for kdu in vnfd.get("kdu"):
- if kdu.get("name") == kdur["kdu-name"]:
- break
- else:
- raise LcmException("KDU not found with name: {} in VNFD {}".format(kdur["kdu-name"],
- vnfd["name"]))
- self.logger.debug(logging_text + step)
- kdumodel = None
- k8sclustertype = None
- if kdu.get("helm-chart"):
- kdumodel = kdu["helm-chart"]
- k8sclustertype = "chart"
- elif kdu.get("juju-bundle"):
- kdumodel = kdu["juju-bundle"]
- k8sclustertype = "juju"
- k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
- "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype,
- "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
- db_nsr_update["_admin.deployed.K8s"].append(k8s_instace_info)
- db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
- "{}".format(index)}
- if k8sclustertype == "chart":
- task = self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
- atomic=True, params=desc_params,
- db_dict=db_dict, timeout=300)
- else:
- # TODO I need the juju connector in place
- pass
- task_list.append(task)
- index += 1
+ db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
+ if not db_k8scluster:
+ raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
+ k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
+ if not k8s_id:
+ raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
+ k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
+ return k8s_id
+
+ logging_text += "Deploy kdus: "
+ try:
+ db_nsr_update = {"_admin.deployed.K8s": []}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
- done = None
- pending = None
- if len(task_list) > 0:
- self.logger.debug('Waiting for terminate pending tasks...')
- done, pending = await asyncio.wait(task_list, timeout=3600)
- if not pending:
- for fut in done:
- k8s_instance = fut.result()
- k8s_instace_info = {"kdu-instance": k8s_instance, "k8scluster-uuid": cluster_uuid,
- "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype,
- "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
- vnf_update.append(k8s_instace_info)
- self.logger.debug('All tasks finished...')
- else:
- self.logger.info('There are pending tasks: {}'.format(pending))
- db_nsr_update["_admin.deployed.K8s"] = vnf_update
+ # Look for all vnfds
+ pending_tasks = {}
+ index = 0
+ for vnfr_data in db_vnfrs.values():
+ for kdur in get_iterable(vnfr_data, "kdur"):
+ desc_params = self._format_additional_params(kdur.get("additionalParams"))
+ kdumodel = None
+ k8sclustertype = None
+ error_text = None
+ cluster_uuid = None
+ if kdur.get("helm-chart"):
+ kdumodel = kdur["helm-chart"]
+ k8sclustertype = "chart"
+ k8sclustertype_full = "helm-chart"
+ elif kdur.get("juju-bundle"):
+ kdumodel = kdur["juju-bundle"]
+ k8sclustertype = "juju"
+ k8sclustertype_full = "juju-bundle"
+ else:
+ error_text = "kdu type is neither helm-chart not juju-bundle. Maybe an old NBI version is" \
+ " running"
+ try:
+ if not error_text:
+ cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
+ except LcmException as e:
+ error_text = str(e)
+ step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
+
+ k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
+ "k8scluster-type": k8sclustertype,
+ "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
+ if error_text:
+ k8s_instace_info["detailed-status"] = error_text
+ db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
+ self.update_db_2("nsrs", nsr_id, db_nsr_update)
+ if error_text:
+ continue
+
+ db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
+ "{}".format(index)}
+ if k8sclustertype == "chart":
+ task = asyncio.ensure_future(
+ self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
+ params=desc_params, db_dict=db_dict, timeout=3600)
+ )
+ else:
+ # TODO juju-bundle connector in place
+ pass
+ pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
+ index += 1
+ if not pending_tasks:
+ return
+ self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
+ pending_list = list(pending_tasks.keys())
+ while pending_list:
+ done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
+ return_when=asyncio.FIRST_COMPLETED)
+ if not done_list: # timeout
+ for task in pending_list:
+ db_nsr_update[pending_tasks(task) + "detailed-status"] = "Timeout"
+ break
+ for task in done_list:
+ exc = task.exception()
+ if exc:
+ db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
+ else:
+ db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
+
except Exception as e:
self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e))
raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e))
return nslcmop
def _format_additional_params(self, params):
-
+ params = params or {}
for key, value in params.items():
if str(value).startswith("!!yaml "):
params[key] = yaml.safe_load(value[7:])
-
return params
def _get_terminate_primitive_params(self, seq, vnf_index):
# Delete from k8scluster
step = "delete kdus"
self.logger.debug(logging_text + step)
- print(nsr_deployed)
+ # print(nsr_deployed)
if nsr_deployed:
- for kdu in nsr_deployed.get("K8s"):
+ for kdu in nsr_deployed.get("K8s", ()):
+ kdu_instance = kdu.get("kdu-instance")
+ if not kdu_instance:
+ continue
if kdu.get("k8scluster-type") == "chart":
- task_delete_kdu_instance = asyncio.ensure_future(self.k8sclusterhelm.uninstall(
- cluster_uuid=kdu.get("k8scluster-uuid"), kdu_instance=kdu.get("kdu-instance")))
+ task_delete_kdu_instance = asyncio.ensure_future(
+ self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
+ kdu_instance=kdu_instance))
elif kdu.get("k8scluster-type") == "juju":
# TODO Juju connector needed
- pass
+ continue
else:
- msg = "k8scluster-type not defined"
- raise LcmException(msg)
-
+ self.error(logging_text + "Unknown k8s deployment type {}".
+ format(kdu.get("k8scluster-type")))
+ continue
pending_tasks.append(task_delete_kdu_instance)
except LcmException as e:
msg = "Failed while deleting KDUs from NS: {}".format(e)
break
elif kdu_name:
self.logger.debug(logging_text + "Checking actions in KDUs")
- desc_params = {}
- if vnf_index:
- if db_vnfr.get("additionalParamsForVnf") and db_vnfr["additionalParamsForVnf"].\
- get("member-vnf-index") == vnf_index:
- desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].
- get("additionalParams"))
- if primitive_params:
- desc_params.update(primitive_params)
+ kdur = next((x for x in db_vnfr["kdur"] if x["kdu_name"] == kdu_name), None)
+ desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
+ if primitive_params:
+ desc_params.update(primitive_params)
# TODO Check if we will need something at vnf level
index = 0
for kdu in get_iterable(nsr_deployed, "K8s"):
desc_params = {}
if vnf_index:
if db_vnfr.get("additionalParamsForVnf"):
- desc_params.update(db_vnfr["additionalParamsForVnf"])
+ desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
+ if vdu_id:
+ vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
+ if vdur.get("additionalParams"):
+ desc_params = self._format_additional_params(vdur["additionalParams"])
else:
if db_nsr.get("additionalParamsForNs"):
- desc_params.update(db_nsr["additionalParamsForNs"])
+ desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
# TODO check if ns is in a proper status
output, detail = await self._ns_execute_primitive(
projects / osm / LCM.git / blobdiff