from copy import copy, deepcopy
from validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale, nsi_instantiate
from base_topic import BaseTopic, EngineException, get_iterable
-from descriptor_topics import DescriptorTopic
+# from descriptor_topics import DescriptorTopic
from yaml import safe_dump
from osm_common.dbbase import DbException
from re import match # For checking that additional parameter names are valid Jinja2 identifiers
BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
content["_admin"]["nsState"] = "NOT_INSTANTIATED"
- def check_conflict_on_del(self, session, _id):
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check that NSR is not instantiated
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: nsr internal id
+ :param db_content: The database content of the nsr
+ :return: None or raises EngineException with the conflict
+ """
if session["force"]:
return
- nsr = self.db.get_one("nsrs", {"_id": _id})
+ nsr = db_content
if nsr["_admin"].get("nsState") == "INSTANTIATED":
raise EngineException("nsr '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
"Launch 'terminate' operation first; or force deletion".format(_id),
http_code=HTTPStatus.CONFLICT)
- def delete_extra(self, session, _id):
+ def delete_extra(self, session, _id, db_content):
+ """
+ Deletes associated nslcmops and vnfrs from database. Deletes associated filesystem.
+ Set usageState of pdu, vnfd, nsd
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: server internal id
+ :param db_content: The database content of the descriptor
+ :return: None if ok or raises EngineException with the problem
+ """
self.fs.file_delete(_id, ignore_non_exist=True)
self.db.del_list("nslcmops", {"nsInstanceId": _id})
self.db.del_list("vnfrs", {"nsr-id-ref": _id})
+
# set all used pdus as free
self.db.set_list("pdus", {"_admin.usage.nsr_id": _id},
{"_admin.usageState": "NOT_IN_USE", "_admin.usage": None})
+ # Set NSD usageState
+ nsr = db_content
+ used_nsd_id = nsr.get("nsd-id")
+ if used_nsd_id:
+ # check if used by another NSR
+ nsrs_list = self.db.get_one("nsrs", {"nsd-id": used_nsd_id},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsrs_list:
+ self.db.set_one("nsds", {"_id": used_nsd_id}, {"_admin.usageState": "NOT_IN_USE"})
+
+ # Set VNFD usageState
+ used_vnfd_id_list = nsr.get("vnfd-id")
+ if used_vnfd_id_list:
+ for used_vnfd_id in used_vnfd_id_list:
+ # check if used by another NSR
+ nsrs_list = self.db.get_one("nsrs", {"vnfd-id": used_vnfd_id},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsrs_list:
+ self.db.set_one("vnfds", {"_id": used_vnfd_id}, {"_admin.usageState": "NOT_IN_USE"})
+
@staticmethod
def _format_ns_request(ns_request):
formated_request = copy(ns_request)
self._update_input_with_kwargs(ns_request, kwargs)
self._validate_input_new(ns_request, session["force"])
- step = ""
# look for nsr
step = "getting nsd id='{}' from database".format(ns_request.get("nsdId"))
- _filter = {"_id": ns_request["nsdId"]}
- _filter.update(BaseTopic._get_project_filter(session))
+ _filter = self._get_project_filter(session)
+ _filter["_id"] = ns_request["nsdId"]
nsd = self.db.get_one("nsds", _filter)
+ del _filter["_id"]
nsr_id = str(uuid4())
"operational-events": [], # "id", "timestamp", "description", "event",
"nsd-ref": nsd["id"],
"nsd-id": nsd["_id"],
+ "vnfd-id": [],
"instantiate_params": self._format_ns_request(ns_request),
"additionalParamsForNs": self._format_addional_params(ns_request),
"ns-instance-config-ref": nsr_id,
member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
if vnfd_id not in needed_vnfds:
# Obtain vnfd
- vnfd = DescriptorTopic.get_one_by_id(self.db, session, "vnfds", vnfd_id)
+ _filter["id"] = vnfd_id
+ vnfd = self.db.get_one("vnfds", _filter, fail_on_empty=True, fail_on_more=True)
+ del _filter["id"]
vnfd.pop("_admin")
needed_vnfds[vnfd_id] = vnfd
+ nsr_descriptor["vnfd-id"].append(vnfd["_id"])
else:
vnfd = needed_vnfds[vnfd_id]
step = "filling vnfr vnfd-id='{}' constituent-vnfd='{}'".format(
raise EngineException("Descriptor error at nst-ref='{}' references a non exist nstd".format(nstd_id),
http_code=HTTPStatus.CONFLICT)
- def check_conflict_on_del(self, session, _id, ):
+ def check_conflict_on_del(self, session, _id, db_content):
+ """
+ Check that NSI is not instantiated
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param _id: nsi internal id
+ :param db_content: The database content of the _id
+ :return: None or raises EngineException with the conflict
+ """
if session["force"]:
return
- nsi = self.db.get_one("nsis", {"_id": _id})
+ nsi = db_content
if nsi["_admin"].get("nsiState") == "INSTANTIATED":
raise EngineException("nsi '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
"Launch 'terminate' operation first; or force deletion".format(_id),
http_code=HTTPStatus.CONFLICT)
- def delete(self, session, _id, dry_run=False):
+ def delete_extra(self, session, _id, db_content):
"""
- Delete item by its internal _id
+ Deletes associated nsilcmops from database. Deletes associated filesystem.
+ Set usageState of nst
:param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param _id: server internal id
- :param dry_run: make checking but do not delete
- :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ :param db_content: The database content of the descriptor
+ :return: None if ok or raises EngineException with the problem
"""
- # TODO add admin to filter, validate rights
- BaseTopic.delete(self, session, _id, dry_run=True)
- if dry_run:
- return
# Deleting the nsrs belonging to nsir
- nsir = self.db.get_one("nsis", {"_id": _id})
+ nsir = db_content
for nsrs_detailed_item in nsir["_admin"]["nsrs-detailed-list"]:
nsr_id = nsrs_detailed_item["nsrId"]
if nsrs_detailed_item.get("shared"):
pass
else:
raise
- # deletes NetSlice instance object
- v = self.db.del_one("nsis", {"_id": _id})
- # makes a temporal list of nsilcmops objects related to the _id given and deletes them from db
- _filter = {"netsliceInstanceId": _id}
- self.db.del_list("nsilcmops", _filter)
+ # delete related nsilcmops database entries
+ self.db.del_list("nsilcmops", {"netsliceInstanceId": _id})
- # Search if nst is being used by other nsi
+ # Check and set used NST usage state
nsir_admin = nsir.get("_admin")
- if nsir_admin:
- if nsir_admin.get("nst-id"):
- nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
- fail_on_empty=False, fail_on_more=False)
- if not nsis_list:
- self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
- return v
+ if nsir_admin and nsir_admin.get("nst-id"):
+ # check if used by another NSI
+ nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
+ fail_on_empty=False, fail_on_more=False)
+ if not nsis_list:
+ self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
+
+ # def delete(self, session, _id, dry_run=False):
+ # """
+ # Delete item by its internal _id
+ # :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ # :param _id: server internal id
+ # :param dry_run: make checking but do not delete
+ # :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
+ # """
+ # # TODO add admin to filter, validate rights
+ # BaseTopic.delete(self, session, _id, dry_run=True)
+ # if dry_run:
+ # return
+ #
+ # # Deleting the nsrs belonging to nsir
+ # nsir = self.db.get_one("nsis", {"_id": _id})
+ # for nsrs_detailed_item in nsir["_admin"]["nsrs-detailed-list"]:
+ # nsr_id = nsrs_detailed_item["nsrId"]
+ # if nsrs_detailed_item.get("shared"):
+ # _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
+ # "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_id,
+ # "_id.ne": nsir["_id"]}
+ # nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ # if nsi: # last one using nsr
+ # continue
+ # try:
+ # self.nsrTopic.delete(session, nsr_id, dry_run=False)
+ # except (DbException, EngineException) as e:
+ # if e.http_code == HTTPStatus.NOT_FOUND:
+ # pass
+ # else:
+ # raise
+ # # deletes NetSlice instance object
+ # v = self.db.del_one("nsis", {"_id": _id})
+ #
+ # # makes a temporal list of nsilcmops objects related to the _id given and deletes them from db
+ # _filter = {"netsliceInstanceId": _id}
+ # self.db.del_list("nsilcmops", _filter)
+ #
+ # # Search if nst is being used by other nsi
+ # nsir_admin = nsir.get("_admin")
+ # if nsir_admin:
+ # if nsir_admin.get("nst-id"):
+ # nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
+ # fail_on_empty=False, fail_on_more=False)
+ # if not nsis_list:
+ # self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
+ # return v
def new(self, rollback, session, indata=None, kwargs=None, headers=None):
"""
step = ""
# look for nstd
step = "getting nstd id='{}' from database".format(slice_request.get("nstId"))
- _filter = {"_id": slice_request["nstId"]}
- _filter.update(BaseTopic._get_project_filter(session))
+ _filter = self._get_project_filter(session)
+ _filter["_id"] = slice_request["nstId"]
nstd = self.db.get_one("nsts", _filter)
+ del _filter["_id"]
+
nstd.pop("_admin", None)
nstd_id = nstd.pop("_id", None)
nsi_id = str(uuid4())
member_ns["nsd-ref"], member_ns["id"])
if nsd_id not in needed_nsds:
# Obtain nsd
- nsd = DescriptorTopic.get_one_by_id(self.db, session, "nsds", nsd_id)
+ _filter["id"] = nsd_id
+ nsd = self.db.get_one("nsds", _filter, fail_on_empty=True, fail_on_more=True)
+ del _filter["id"]
nsd.pop("_admin")
needed_nsds[nsd_id] = nsd
else:
_id_nsr = None
indata_ns = {}
# Is the nss shared and instantiated?
- _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
- "_admin.nsrs-detailed-list.ANYINDEX.nsd-id": service["nsd-ref"]}
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nsd-id"] = service["nsd-ref"]
nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
if nsi and service.get("is-shared-nss"):
validate_input(indata, self.operation_schema[operation])
# get nsi from nsiInstanceId
- _filter = BaseTopic._get_project_filter(session)
+ _filter = self._get_project_filter(session)
_filter["_id"] = nsiInstanceId
nsir = self.db.get_one("nsis", _filter)
+ del _filter["_id"]
# initial checking
if not nsir["_admin"].get("nsiState") or nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED":
for index, nsr_item in enumerate(nsrs_list):
nsi = None
if nsr_item.get("shared"):
- _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
- "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_item["nsrId"],
- "_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne": None,
- "_id.ne": nsiInstanceId}
-
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_item["nsrId"]
+ _filter["_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne"] = None
+ _filter["_id.ne"] = nsiInstanceId
nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ if operation == "terminate":
+ _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): None}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+
# looks the first nsi fulfilling the conditions but not being the current NSIR
if nsi:
nsi_admin_shared = nsi["_admin"]["nsrs-detailed-list"]