import logging.handlers
import traceback
import json
-from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
+from jinja2 import Environment, TemplateError, TemplateNotFound, StrictUndefined, UndefinedError
from osm_lcm import ROclient
from osm_lcm.ng_ro import NgRoClient, NgRoException
from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
from n2vc.k8s_helm_conn import K8sHelmConnector
+from n2vc.k8s_helm3_conn import K8sHelm3Connector
from n2vc.k8s_juju_conn import K8sJujuConnector
from osm_common.dbbase import DbException
on_update_db=self._on_update_n2vc_db
)
- self.k8sclusterhelm = K8sHelmConnector(
+ self.k8sclusterhelm2 = K8sHelmConnector(
kubectl_command=self.vca_config.get("kubectlpath"),
helm_command=self.vca_config.get("helmpath"),
fs=self.fs,
on_update_db=None,
)
+ self.k8sclusterhelm3 = K8sHelm3Connector(
+ kubectl_command=self.vca_config.get("kubectlpath"),
+ helm_command=self.vca_config.get("helm3path"),
+ fs=self.fs,
+ log=self.logger,
+ db=self.db,
+ on_update_db=None,
+ )
+
self.k8sclusterjuju = K8sJujuConnector(
kubectl_command=self.vca_config.get("kubectlpath"),
juju_command=self.vca_config.get("jujupath"),
fs=self.fs,
log=self.logger,
db=self.db,
+ loop=self.loop,
on_update_db=None,
+ vca_config=self.vca_config,
)
self.k8scluster_map = {
- "helm-chart": self.k8sclusterhelm,
- "chart": self.k8sclusterhelm,
+ "helm-chart": self.k8sclusterhelm2,
+ "helm-chart-v3": self.k8sclusterhelm3,
+ "chart": self.k8sclusterhelm3,
"juju-bundle": self.k8sclusterjuju,
"juju": self.k8sclusterjuju,
}
"lxc_proxy_charm": self.n2vc,
"native_charm": self.n2vc,
"k8s_proxy_charm": self.n2vc,
- "helm": self.conn_helm_ee
+ "helm": self.conn_helm_ee,
+ "helm-v3": self.conn_helm_ee
}
self.prometheus = prometheus
except Exception as e:
self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
+ @staticmethod
+ def _parse_cloud_init(cloud_init_text, additional_params, vnfd_id, vdu_id):
+ try:
+ env = Environment(undefined=StrictUndefined)
+ template = env.from_string(cloud_init_text)
+ return template.render(additional_params or {})
+ except UndefinedError as e:
+ raise LcmException("Variable {} at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
+ "file, must be provided in the instantiation parameters inside the "
+ "'additionalParamsForVnf/Vdu' block".format(e, vnfd_id, vdu_id))
+ except (TemplateError, TemplateNotFound) as e:
+ raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
+ format(vnfd_id, vdu_id, e))
+
+ def _get_cloud_init(self, vdu, vnfd):
+ try:
+ cloud_init_content = cloud_init_file = None
+ if vdu.get("cloud-init-file"):
+ base_folder = vnfd["_admin"]["storage"]
+ cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
+ vdu["cloud-init-file"])
+ with self.fs.file_open(cloud_init_file, "r") as ci_file:
+ cloud_init_content = ci_file.read()
+ elif vdu.get("cloud-init"):
+ cloud_init_content = vdu["cloud-init"]
+
+ return cloud_init_content
+ except FsException as e:
+ raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
+ format(vnfd["id"], vdu["id"], cloud_init_file, e))
+
+ def _get_osm_params(self, db_vnfr, vdu_id=None, vdu_count_index=0):
+ osm_params = {x.replace("-", "_"): db_vnfr[x] for x in ("ip-address", "vim-account-id", "vnfd-id", "vnfd-ref")
+ if db_vnfr.get(x) is not None}
+ osm_params["ns_id"] = db_vnfr["nsr-id-ref"]
+ osm_params["vnf_id"] = db_vnfr["_id"]
+ osm_params["member_vnf_index"] = db_vnfr["member-vnf-index-ref"]
+ if db_vnfr.get("vdur"):
+ osm_params["vdu"] = {}
+ for vdur in db_vnfr["vdur"]:
+ vdu = {
+ "count_index": vdur["count-index"],
+ "vdu_id": vdur["vdu-id-ref"],
+ "interfaces": {}
+ }
+ if vdur.get("ip-address"):
+ vdu["ip_address"] = vdur["ip-address"]
+ for iface in vdur["interfaces"]:
+ vdu["interfaces"][iface["name"]] = \
+ {x.replace("-", "_"): iface[x] for x in ("mac-address", "ip-address", "vnf-vld-id", "name")
+ if iface.get(x) is not None}
+ vdu_id_index = "{}-{}".format(vdur["vdu-id-ref"], vdur["count-index"])
+ osm_params["vdu"][vdu_id_index] = vdu
+ if vdu_id:
+ osm_params["vdu_id"] = vdu_id
+ osm_params["count_index"] = vdu_count_index
+ return osm_params
+
+ 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"])
+ additional_params = vdur.get("additionalParams")
+ return self._format_additional_params(additional_params)
+
def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
"""
Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
:param nsrId: Id of the NSR
:return: copy of vnfd
"""
- try:
- vnfd_RO = deepcopy(vnfd)
- # remove unused by RO configuration, monitoring, scaling and internal keys
- vnfd_RO.pop("_id", None)
- vnfd_RO.pop("_admin", None)
- vnfd_RO.pop("vnf-configuration", None)
- vnfd_RO.pop("monitoring-param", None)
- vnfd_RO.pop("scaling-group-descriptor", None)
- vnfd_RO.pop("kdu", None)
- vnfd_RO.pop("k8s-cluster", None)
- if new_id:
- vnfd_RO["id"] = new_id
-
- # parse cloud-init or cloud-init-file with the provided variables using Jinja2
- for vdu in get_iterable(vnfd_RO, "vdu"):
- cloud_init_file = None
- if vdu.get("cloud-init-file"):
- base_folder = vnfd["_admin"]["storage"]
- cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
- vdu["cloud-init-file"])
- with self.fs.file_open(cloud_init_file, "r") as ci_file:
- cloud_init_content = ci_file.read()
- vdu.pop("cloud-init-file", None)
- elif vdu.get("cloud-init"):
- cloud_init_content = vdu["cloud-init"]
- else:
- continue
-
- env = Environment()
- ast = env.parse(cloud_init_content)
- mandatory_vars = meta.find_undeclared_variables(ast)
- if mandatory_vars:
- for var in mandatory_vars:
- if not additionalParams or var not in additionalParams.keys():
- raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
- "file, must be provided in the instantiation parameters inside the "
- "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
- template = Template(cloud_init_content)
- cloud_init_content = template.render(additionalParams or {})
- vdu["cloud-init"] = cloud_init_content
-
- return vnfd_RO
- except FsException as e:
- raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
- format(vnfd["id"], vdu["id"], cloud_init_file, e))
- except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
- raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
- format(vnfd["id"], vdu["id"], e))
+ vnfd_RO = deepcopy(vnfd)
+ # remove unused by RO configuration, monitoring, scaling and internal keys
+ vnfd_RO.pop("_id", None)
+ vnfd_RO.pop("_admin", None)
+ vnfd_RO.pop("vnf-configuration", None)
+ vnfd_RO.pop("monitoring-param", None)
+ vnfd_RO.pop("scaling-group-descriptor", None)
+ vnfd_RO.pop("kdu", None)
+ vnfd_RO.pop("k8s-cluster", None)
+ if new_id:
+ vnfd_RO["id"] = new_id
+
+ # parse cloud-init or cloud-init-file with the provided variables using Jinja2
+ for vdu in get_iterable(vnfd_RO, "vdu"):
+ vdu.pop("cloud-init-file", None)
+ vdu.pop("cloud-init", None)
+ return vnfd_RO
def _ns_params_2_RO(self, ns_params, nsd, vnfd_dict, db_vnfrs, n2vc_key_list):
"""
populate_dict(RO_ns_params,
("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
n2vc_key_list)
+ # cloud init
+ for vdu in get_iterable(vnfd, "vdu"):
+ cloud_init_text = self._get_cloud_init(vdu, vnfd)
+ if not cloud_init_text:
+ continue
+ for vnf_member in nsd.get("constituent-vnfd"):
+ if vnf_member["vnfd-id-ref"] != vnfd_ref:
+ continue
+ db_vnfr = db_vnfrs[vnf_member["member-vnf-index"]]
+ additional_params = self._get_vdu_additional_params(db_vnfr, vdu["id"]) or {}
+
+ cloud_init_list = []
+ for vdu_index in range(0, int(vdu.get("count", 1))):
+ additional_params["OSM"] = self._get_osm_params(db_vnfr, vdu["id"], vdu_index)
+ cloud_init_list.append(self._parse_cloud_init(cloud_init_text, additional_params, vnfd["id"],
+ vdu["id"]))
+ populate_dict(RO_ns_params,
+ ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu["id"], "cloud_init"),
+ cloud_init_list)
if ns_params.get("vduImage"):
RO_ns_params["vduImage"] = ns_params["vduImage"]
while nb_tries < 360:
db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
- kdur = next((x for x in get_iterable(db_vnfr, "kdur") if x.get("name") == kdu_name), None)
+ kdur = next((x for x in get_iterable(db_vnfr, "kdur") if x.get("kdu-name") == kdu_name), None)
if not kdur:
raise LcmException("Not found vnfr_id={}, kdu_name={}".format(vnfr_id, kdu_name))
if kdur.get("status"):
ee_id = vca_deployed.get("ee_id")
# create or register execution environment in VCA
- if vca_type in ("lxc_proxy_charm", "k8s_proxy_charm", "helm"):
+ if vca_type in ("lxc_proxy_charm", "k8s_proxy_charm", "helm", "helm-v3"):
self._write_configuration_status(
nsr_id=nsr_id,
# 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"):
+ 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")
# TODO register in database that primitive is done
# STEP 7 Configure metrics
- if vca_type == "helm":
+ if vca_type == "helm" or vca_type == "helm-v3":
prometheus_jobs = await self.add_prometheus_metrics(
ee_id=ee_id,
artifact_path=artifact_path,
kdu_name = None
# Get additional parameters
- deploy_params = {}
+ deploy_params = {"OSM": self._get_osm_params(db_vnfr)}
if db_vnfr.get("additionalParamsForVnf"):
- deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
+ deploy_params.update(self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy()))
descriptor_config = vnfd.get("vnf-configuration")
if descriptor_config:
deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
else:
deploy_params_vdu = deploy_params
+ deploy_params_vdu["OSM"] = self._get_osm_params(db_vnfr, vdu_id, vdu_count_index=0)
if descriptor_config:
- # look for vdu index in the db_vnfr["vdu"] section
- # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
- # if vdur["vdu-id-ref"] == vdu_id:
- # break
- # else:
- # raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
- # "member_vnf_index={}".format(vdu_id, member_vnf_index))
- # vdu_name = vdur.get("name")
vdu_name = None
kdu_name = None
for vdu_index in range(int(vdud.get("count", 1))):
vdu_id = None
vdu_index = 0
vdu_name = None
- # look for vdu index in the db_vnfr["vdu"] section
- # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
- # if vdur["vdu-id-ref"] == vdu_id:
- # break
- # else:
- # raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
- # "member_vnf_index={}".format(vdu_id, member_vnf_index))
- # vdu_name = vdur.get("name")
- # vdu_name = None
+ kdur = next(x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name)
+ deploy_params_kdu = {"OSM": self._get_osm_params(db_vnfr)}
+ if kdur.get("additionalParams"):
+ deploy_params_kdu = self._format_additional_params(kdur["additionalParams"])
self._deploy_n2vc(
logging_text=logging_text,
member_vnf_index=member_vnf_index,
vdu_index=vdu_index,
vdu_name=vdu_name,
- deploy_params=deploy_params,
+ deploy_params=deploy_params_kdu,
descriptor_config=descriptor_config,
base_folder=base_folder,
task_instantiation_info=tasks_dict_info,
vdu_name = None
# Get additional parameters
- deploy_params = {}
+ deploy_params = {"OSM": self._get_osm_params(db_vnfr)}
if db_nsr.get("additionalParamsForNs"):
- deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
+ deploy_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"].copy()))
base_folder = nsd["_admin"]["storage"]
self._deploy_n2vc(
logging_text=logging_text,
async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
# Launch kdus if present in the descriptor
- k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
+ k8scluster_id_2_uuic = {"helm-chart-v3": {}, "helm-chart": {}, "juju-bundle": {}}
async def _get_cluster_id(cluster_id, cluster_type):
nonlocal k8scluster_id_2_uuic
k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
if not k8s_id:
- raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
- cluster_type))
+ if cluster_type == "helm-chart-v3":
+ try:
+ # backward compatibility for existing clusters that have not been initialized for helm v3
+ k8s_credentials = yaml.safe_dump(db_k8scluster.get("credentials"))
+ k8s_id, uninstall_sw = await self.k8sclusterhelm3.init_env(k8s_credentials,
+ reuse_cluster_uuid=cluster_id)
+ db_k8scluster_update = {}
+ db_k8scluster_update["_admin.helm-chart-v3.error_msg"] = None
+ db_k8scluster_update["_admin.helm-chart-v3.id"] = k8s_id
+ db_k8scluster_update["_admin.helm-chart-v3.created"] = uninstall_sw
+ db_k8scluster_update["_admin.helm-chart-v3.operationalState"] = "ENABLED"
+ self.update_db_2("k8sclusters", cluster_id, db_k8scluster_update)
+ except Exception as e:
+ self.logger.error(logging_text + "error initializing helm-v3 cluster: {}".format(str(e)))
+ raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
+ cluster_type))
+ else:
+ raise LcmException("K8s cluster '{}' has not been initialized for '{}'".
+ format(cluster_id, cluster_type))
k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
return k8s_id
index = 0
updated_cluster_list = []
+ updated_v3_cluster_list = []
for vnfr_data in db_vnfrs.values():
for kdu_index, kdur in enumerate(get_iterable(vnfr_data, "kdur")):
namespace = kdur.get("k8s-namespace")
if kdur.get("helm-chart"):
kdumodel = kdur["helm-chart"]
- k8sclustertype = "helm-chart"
+ # Default version: helm3, if helm-version is v2 assign v2
+ k8sclustertype = "helm-chart-v3"
+ self.logger.debug("kdur: {}".format(kdur))
+ if kdur.get("helm-version") and kdur.get("helm-version") == "v2":
+ k8sclustertype = "helm-chart"
elif kdur.get("juju-bundle"):
kdumodel = kdur["juju-bundle"]
k8sclustertype = "juju-bundle"
cluster_uuid = await _get_cluster_id(k8s_cluster_id, k8sclustertype)
# Synchronize repos
- if k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list:
+ if (k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list)\
+ or (k8sclustertype == "helm-chart-v3" and cluster_uuid not in updated_v3_cluster_list):
del_repo_list, added_repo_dict = await asyncio.ensure_future(
- self.k8sclusterhelm.synchronize_repos(cluster_uuid=cluster_uuid))
+ self.k8scluster_map[k8sclustertype].synchronize_repos(cluster_uuid=cluster_uuid))
if del_repo_list or added_repo_dict:
- unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
- updated = {'_admin.helm_charts_added.' +
- item: name for item, name in added_repo_dict.items()}
- self.logger.debug(logging_text + "repos synchronized on k8s cluster '{}' to_delete: {}, "
- "to_add: {}".format(k8s_cluster_id, del_repo_list,
- added_repo_dict))
+ if k8sclustertype == "helm-chart":
+ unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
+ updated = {'_admin.helm_charts_added.' +
+ item: name for item, name in added_repo_dict.items()}
+ updated_cluster_list.append(cluster_uuid)
+ elif k8sclustertype == "helm-chart-v3":
+ unset = {'_admin.helm_charts_v3_added.' + item: None for item in del_repo_list}
+ updated = {'_admin.helm_charts_v3_added.' +
+ item: name for item, name in added_repo_dict.items()}
+ updated_v3_cluster_list.append(cluster_uuid)
+ self.logger.debug(logging_text + "repos synchronized on k8s cluster "
+ "'{}' to_delete: {}, to_add: {}".
+ format(k8s_cluster_id, del_repo_list, added_repo_dict))
self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
- updated_cluster_list.append(cluster_uuid)
# Instantiate kdu
step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
vca_type = "native_charm"
elif ee_item.get("helm-chart"):
vca_name = ee_item['helm-chart']
- vca_type = "helm"
+ 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.get("needed_terminate"))
# For helm we must destroy_ee. Also for native_charm, as juju_model cannot be deleted if there are
# pending native charms
- destroy_ee = True if vca_type in ("helm", "native_charm") else False
+ destroy_ee = True if vca_type in ("helm", "helm-v3", "native_charm") else False
# self.logger.debug(logging_text + "vca_index: {}, ee_id: {}, vca_type: {} destroy_ee: {}".format(
# vca_index, vca.get("ee_id"), vca_type, destroy_ee))
task = asyncio.ensure_future(
width=256)
elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
calculated_params[param_name] = calculated_params[param_name][7:]
+ if parameter.get("data-type") == "INTEGER":
+ try:
+ calculated_params[param_name] = int(calculated_params[param_name])
+ except ValueError: # error converting string to int
+ raise LcmException(
+ "Parameter {} of primitive {} must be integer".format(param_name, primitive_desc["name"]))
+ elif parameter.get("data-type") == "BOOLEAN":
+ calculated_params[param_name] = not ((str(calculated_params[param_name])).lower() == 'false')
# add always ns_config_info if primitive name is config
if primitive_desc["name"] == "config":
vdu_scaling_info["scaling_direction"] = "OUT"
vdu_scaling_info["vdu-create"] = {}
for vdu_scale_info in scaling_descriptor["vdu"]:
+ vdud = next(vdu for vdu in db_vnfd.get("vdu") if vdu["id"] == vdu_scale_info["vdu-id-ref"])
+ vdu_index = len([x for x in db_vnfr.get("vdur", ())
+ if x.get("vdu-id-ref") == vdu_scale_info["vdu-id-ref"] and
+ x.get("member-vnf-index-ref") == vnf_index])
+ cloud_init_text = self._get_cloud_init(vdud, db_vnfd)
+ if cloud_init_text:
+ additional_params = self._get_vdu_additional_params(db_vnfr, vdud["id"]) or {}
+ cloud_init_list = []
+ for x in range(vdu_scale_info.get("count", 1)):
+ if cloud_init_text:
+ # TODO Information of its own ip is not available because db_vnfr is not updated.
+ additional_params["OSM"] = self._get_osm_params(db_vnfr, vdu_scale_info["vdu-id-ref"],
+ vdu_index + x)
+ cloud_init_list.append(self._parse_cloud_init(cloud_init_text, additional_params,
+ db_vnfd["id"], vdud["id"]))
RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
"type": "create", "count": vdu_scale_info.get("count", 1)})
+ if cloud_init_list:
+ RO_scaling_info[-1]["cloud_init"] = cloud_init_list
vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
elif scaling_type == "SCALE_IN":