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
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"]
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,
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":