# -*- coding: utf-8 -*-
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
# import logging
from uuid import uuid4
from http import HTTPStatus
from time import time
-from copy import copy
-from validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale
+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
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
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, force=False):
- if force:
+ 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(self, session, _id, force=False, dry_run=False):
+ def delete_extra(self, session, _id, db_content):
"""
- Delete item by its internal _id
- :param session: contains the used login username, working project, and admin rights
+ 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 force: indicates if deletion must be forced in case of conflict
- :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, force, dry_run=True)
- if dry_run:
- return
-
- v = self.db.del_one("nsrs", {"_id": _id})
+ 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.usageSate": "NOT_IN_USE", "_admin.usage": None})
- self._send_msg("deleted", {"_id": _id})
- return v
+ {"_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"})
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ # 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)
+ formated_request.pop("additionalParamsForNs", None)
+ formated_request.pop("additionalParamsForVnf", None)
+ return formated_request
+
+ @staticmethod
+ def _format_addional_params(ns_request, member_vnf_index=None, descriptor=None):
+ """
+ Get and format user additional params for NS or VNF
+ :param ns_request: User instantiation additional parameters
+ :param member_vnf_index: None for extract NS params, or member_vnf_index to extract VNF params
+ :param descriptor: If not None it check that needed parameters of descriptor are supplied
+ :return: a formated copy of additional params or None if not supplied
+ """
+ additional_params = None
+ if not member_vnf_index:
+ additional_params = copy(ns_request.get("additionalParamsForNs"))
+ where_ = "additionalParamsForNs"
+ elif ns_request.get("additionalParamsForVnf"):
+ for additionalParamsForVnf in get_iterable(ns_request.get("additionalParamsForVnf")):
+ if additionalParamsForVnf["member-vnf-index"] == member_vnf_index:
+ additional_params = copy(additionalParamsForVnf.get("additionalParams"))
+ where_ = "additionalParamsForVnf[member-vnf-index={}]".format(
+ additionalParamsForVnf["member-vnf-index"])
+ break
+ if additional_params:
+ for k, v in additional_params.items():
+ # BEGIN Check that additional parameter names are valid Jinja2 identifiers
+ if not match('^[a-zA-Z_][a-zA-Z0-9_]*$', k):
+ raise EngineException("Invalid param name at {}:{}. Must contain only alphanumeric characters "
+ "and underscores, and cannot start with a digit"
+ .format(where_, k))
+ # END Check that additional parameter names are valid Jinja2 identifiers
+ if not isinstance(k, str):
+ raise EngineException("Invalid param at {}:{}. Only string keys are allowed".format(where_, k))
+ if "." in k or "$" in k:
+ raise EngineException("Invalid param at {}:{}. Keys must not contain dots or $".format(where_, k))
+ if isinstance(v, (dict, tuple, list)):
+ additional_params[k] = "!!yaml " + safe_dump(v)
+
+ if descriptor:
+ # check that enough parameters are supplied for the initial-config-primitive
+ # TODO: check for cloud-init
+ if member_vnf_index:
+ if descriptor.get("vnf-configuration"):
+ for initial_primitive in get_iterable(
+ descriptor["vnf-configuration"].get("initial-config-primitive")):
+ for param in get_iterable(initial_primitive.get("parameter")):
+ if param["value"].startswith("<") and param["value"].endswith(">"):
+ if param["value"] in ("<rw_mgmt_ip>", "<VDU_SCALE_INFO>"):
+ continue
+ if not additional_params or param["value"][1:-1] not in additional_params:
+ raise EngineException("Parameter '{}' needed for vnfd[id={}]:vnf-configuration:"
+ "initial-config-primitive[name={}] not supplied".
+ format(param["value"], descriptor["id"],
+ initial_primitive["name"]))
+
+ return additional_params
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
"""
Creates a new nsr into database. It also creates needed vnfrs
:param rollback: list to append the created items at database in case a rollback must be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: params to be used for the nsr
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: the _id of nsr descriptor created at database
"""
ns_request = self._remove_envelop(indata)
# Override descriptor with query string kwargs
self._update_input_with_kwargs(ns_request, kwargs)
- self._validate_input_new(ns_request, force)
+ 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, write=False, show_all=True))
+ _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())
+
now = time()
step = "filling nsr from input data"
nsr_descriptor = {
"orchestration-progress": {},
# {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
- "crete-time": now,
+ "create-time": now,
"nsd-name-ref": nsd["name"],
"operational-events": [], # "id", "timestamp", "description", "event",
"nsd-ref": nsd["id"],
- "instantiate_params": ns_request,
+ "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,
"id": nsr_id,
"_id": nsr_id,
# "input-parameter": xpath, value,
- "ssh-authorized-key": ns_request.get("key-pair-ref"),
+ "ssh-authorized-key": ns_request.get("key-pair-ref"), # TODO remove
}
ns_request["nsr_id"] = nsr_id
+ # Create vld
+ if nsd.get("vld"):
+ nsr_descriptor["vld"] = []
+ for nsd_vld in nsd.get("vld"):
+ nsr_descriptor["vld"].append(
+ {key: nsd_vld[key] for key in ("id", "vim-network-name", "vim-network-id") if key in nsd_vld})
# Create VNFR
needed_vnfds = {}
- for member_vnf in nsd["constituent-vnfd"]:
+ for member_vnf in nsd.get("constituent-vnfd", ()):
vnfd_id = member_vnf["vnfd-id-ref"]
step = "getting vnfd id='{}' constituent-vnfd='{}' from database".format(
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(
"_id": vnfr_id,
"nsr-id-ref": nsr_id,
"member-vnf-index-ref": member_vnf["member-vnf-index"],
+ "additionalParamsForVnf": self._format_addional_params(ns_request, member_vnf["member-vnf-index"],
+ vnfd),
"created-time": now,
# "vnfd": vnfd, # at OSM model.but removed to avoid data duplication TODO: revise
"vnfd-ref": vnfd_id,
"connection-point": [],
"ip-address": None, # mgmt-interface filled by LCM
}
+
+ # Create vld
+ if vnfd.get("internal-vld"):
+ vnfr_descriptor["vld"] = []
+ for vnfd_vld in vnfd.get("internal-vld"):
+ vnfr_descriptor["vld"].append(
+ {key: vnfd_vld[key] for key in ("id", "vim-network-name", "vim-network-id") if key in
+ vnfd_vld})
+
+ vnfd_mgmt_cp = vnfd["mgmt-interface"].get("cp")
for cp in vnfd.get("connection-point", ()):
vnf_cp = {
"name": cp["name"],
# vim-id # TODO it would be nice having a vim port id
}
vnfr_descriptor["connection-point"].append(vnf_cp)
- for vdu in vnfd["vdu"]:
- vdur_id = str(uuid4())
+ for vdu in vnfd.get("vdu", ()):
vdur = {
- "id": vdur_id,
"vdu-id-ref": vdu["id"],
# TODO "name": "" Name of the VDU in the VIM
"ip-address": None, # mgmt-interface filled by LCM
"internal-connection-point": [],
"interfaces": [],
}
+ if vdu.get("pdu-type"):
+ vdur["pdu-type"] = vdu["pdu-type"]
# TODO volumes: name, volume-id
for icp in vdu.get("internal-connection-point", ()):
vdu_icp = {
# "ip-address", "mac-address" # filled by LCM
# vim-id # TODO it would be nice having a vim port id
}
+ if vnfd_mgmt_cp and iface.get("external-connection-point-ref") == vnfd_mgmt_cp:
+ vdu_iface["mgmt-vnf"] = True
+ if iface.get("mgmt-interface"):
+ vdu_iface["mgmt-interface"] = True # TODO change to mgmt-vdu
+
+ # look for network where this interface is connected
+ if iface.get("external-connection-point-ref"):
+ for nsd_vld in get_iterable(nsd.get("vld")):
+ for nsd_vld_cp in get_iterable(nsd_vld.get("vnfd-connection-point-ref")):
+ if nsd_vld_cp.get("vnfd-connection-point-ref") == \
+ iface["external-connection-point-ref"] and \
+ nsd_vld_cp.get("member-vnf-index-ref") == member_vnf["member-vnf-index"]:
+ vdu_iface["ns-vld-id"] = nsd_vld["id"]
+ break
+ else:
+ continue
+ break
+ elif iface.get("internal-connection-point-ref"):
+ for vnfd_ivld in get_iterable(vnfd.get("internal-vld")):
+ for vnfd_ivld_icp in get_iterable(vnfd_ivld.get("internal-connection-point")):
+ if vnfd_ivld_icp.get("id-ref") == iface["internal-connection-point-ref"]:
+ vdu_iface["vnf-vld-id"] = vnfd_ivld["id"]
+ break
+ else:
+ continue
+ break
+
vdur["interfaces"].append(vdu_iface)
- vnfr_descriptor["vdur"].append(vdur)
+ count = vdu.get("count", 1)
+ if count is None:
+ count = 1
+ count = int(count) # TODO remove when descriptor serialized with payngbind
+ for index in range(0, count):
+ if index:
+ vdur = deepcopy(vdur)
+ vdur["_id"] = str(uuid4())
+ vdur["count-index"] = index
+ vnfr_descriptor["vdur"].append(vdur)
step = "creating vnfr vnfd-id='{}' constituent-vnfd='{}' at database".format(
member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
# add at database
- BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=make_public)
+ BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=session["public"])
self.db.create("vnfrs", vnfr_descriptor)
rollback.append({"topic": "vnfrs", "_id": vnfr_id})
nsr_descriptor["constituent-vnfr-ref"].append(vnfr_id)
step = "creating nsr at database"
- self.format_on_new(nsr_descriptor, session["project_id"], make_public=make_public)
+ self.format_on_new(nsr_descriptor, session["project_id"], make_public=session["public"])
self.db.create("nsrs", nsr_descriptor)
rollback.append({"topic": "nsrs", "_id": nsr_id})
+
+ step = "creating nsr temporal folder"
+ self.fs.mkdir(nsr_id)
+
return nsr_id
except Exception as e:
self.logger.exception("Exception {} at NsrTopic.new()".format(e), exc_info=True)
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
# Not used because vnfrs are created and deleted by NsrTopic class directly
raise EngineException("Method new called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
def __init__(self, db, fs, msg):
BaseTopic.__init__(self, db, fs, msg)
- def _validate_input_new(self, input, force=False):
- """
- Validates input user content for a new entry. It uses jsonschema for each type or operation.
- :param input: user input content for the new topic
- :param force: may be used for being more tolerant
- :return: The same input content, or a changed version of it.
- """
- if self.schema_new:
- validate_input(input, self.schema_new)
- return input
-
def _check_ns_operation(self, session, nsr, operation, indata):
"""
Check that user has enter right parameters for the operation
- :param session:
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param operation: it can be: instantiate, terminate, action, TODO: update, heal
:param indata: descriptor with the parameters of the operation
:return: None
"""
vnfds = {}
vim_accounts = []
+ wim_accounts = []
nsd = nsr["nsd"]
def check_valid_vnf_member_index(member_vnf_index):
if vim_account in vim_accounts:
return
try:
- # TODO add _get_project_filter
- self.db.get_one("vim_accounts", {"_id": vim_account})
+ db_filter = self._get_project_filter(session)
+ db_filter["_id"] = vim_account
+ self.db.get_one("vim_accounts", db_filter)
except Exception:
- raise EngineException("Invalid vimAccountId='{}' not present".format(vim_account))
+ raise EngineException("Invalid vimAccountId='{}' not present for the project".format(vim_account))
vim_accounts.append(vim_account)
+ def check_valid_wim_account(wim_account):
+ if not isinstance(wim_account, str):
+ return
+ elif wim_account in wim_accounts:
+ return
+ try:
+ db_filter = self._get_project_filter(session, write=False, show_all=True)
+ db_filter["_id"] = wim_account
+ self.db.get_one("wim_accounts", db_filter)
+ except Exception:
+ raise EngineException("Invalid wimAccountId='{}' not present for the project".format(wim_account))
+ wim_accounts.append(wim_account)
+
if operation == "action":
# check vnf_member_index
if indata.get("vnf_member_index"):
indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility
- if not indata.get("member_vnf_index"):
- raise EngineException("Missing 'member_vnf_index' parameter")
- vnfd = check_valid_vnf_member_index(indata["member_vnf_index"])
+ if indata.get("member_vnf_index"):
+ vnfd = check_valid_vnf_member_index(indata["member_vnf_index"])
+ descriptor_configuration = vnfd.get("vnf-configuration", {}).get("config-primitive")
+ else: # use a NSD
+ descriptor_configuration = nsd.get("ns-configuration", {}).get("config-primitive")
# check primitive
- for config_primitive in get_iterable(vnfd.get("vnf-configuration", {}).get("config-primitive")):
+ for config_primitive in get_iterable(descriptor_configuration):
if indata["primitive"] == config_primitive["name"]:
# check needed primitive_params are provided
if indata.get("primitive_params"):
paramd["name"], indata["primitive"]))
# check no extra primitive params are provided
if in_primitive_params_copy:
- raise EngineException("parameter/s '{}' not present at vnfd for primitive '{}'".format(
+ raise EngineException("parameter/s '{}' not present at vnfd /nsd for primitive '{}'".format(
list(in_primitive_params_copy.keys()), indata["primitive"]))
break
else:
- raise EngineException("Invalid primitive '{}' is not present at vnfd".format(indata["primitive"]))
+ raise EngineException("Invalid primitive '{}' is not present at vnfd/nsd".format(indata["primitive"]))
if operation == "scale":
vnfd = check_valid_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"])
for scaling_group in get_iterable(vnfd.get("scaling-group-descriptor")):
if operation == "instantiate":
# check vim_account
check_valid_vim_account(indata["vimAccountId"])
+ check_valid_wim_account(indata.get("wimAccountId"))
for in_vnf in get_iterable(indata.get("vnf")):
vnfd = check_valid_vnf_member_index(in_vnf["member-vnf-index"])
_check_vnf_instantiation_params(in_vnf, vnfd)
check_valid_vim_account(in_vnf["vimAccountId"])
for in_vld in get_iterable(indata.get("vld")):
+ check_valid_wim_account(in_vld.get("wimAccountId"))
for vldd in get_iterable(nsd.get("vld")):
if in_vld["name"] == vldd["name"] or in_vld["name"] == vldd["id"]:
break
raise EngineException("Invalid parameter vld:name='{}' is not present at nsd:vld".format(
in_vld["name"]))
- def _create_nslcmop(self, session, nsInstanceId, operation, params):
+ def _look_for_pdu(self, session, rollback, vnfr, vim_account, vnfr_update, vnfr_update_rollback):
+ """
+ Look for a free PDU in the catalog matching vdur type and interfaces. Fills vnfr.vdur with the interface
+ (ip_address, ...) information.
+ Modifies PDU _admin.usageState to 'IN_USE'
+
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param rollback: list with the database modifications to rollback if needed
+ :param vnfr: vnfr to be updated. It is modified with pdu interface info if pdu is found
+ :param vim_account: vim_account where this vnfr should be deployed
+ :param vnfr_update: dictionary filled by this method with changes to be done at database vnfr
+ :param vnfr_update_rollback: dictionary filled by this method with original content of vnfr in case a rollback
+ of the changed vnfr is needed
+
+ :return: List of PDU interfaces that are connected to an existing VIM network. Each item contains:
+ "vim-network-name": used at VIM
+ "name": interface name
+ "vnf-vld-id": internal VNFD vld where this interface is connected, or
+ "ns-vld-id": NSD vld where this interface is connected.
+ NOTE: One, and only one between 'vnf-vld-id' and 'ns-vld-id' contains a value. The other will be None
+ """
+
+ ifaces_forcing_vim_network = []
+ for vdur_index, vdur in enumerate(get_iterable(vnfr.get("vdur"))):
+ if not vdur.get("pdu-type"):
+ continue
+ pdu_type = vdur.get("pdu-type")
+ pdu_filter = self._get_project_filter(session)
+ pdu_filter["vim_accounts"] = vim_account
+ pdu_filter["type"] = pdu_type
+ pdu_filter["_admin.operationalState"] = "ENABLED"
+ pdu_filter["_admin.usageState"] = "NOT_IN_USE"
+ # TODO feature 1417: "shared": True,
+
+ available_pdus = self.db.get_list("pdus", pdu_filter)
+ for pdu in available_pdus:
+ # step 1 check if this pdu contains needed interfaces:
+ match_interfaces = True
+ for vdur_interface in vdur["interfaces"]:
+ for pdu_interface in pdu["interfaces"]:
+ if pdu_interface["name"] == vdur_interface["name"]:
+ # TODO feature 1417: match per mgmt type
+ break
+ else: # no interface found for name
+ match_interfaces = False
+ break
+ if match_interfaces:
+ break
+ else:
+ raise EngineException(
+ "No PDU of type={} at vim_account={} found for member_vnf_index={}, vdu={} matching interface "
+ "names".format(pdu_type, vim_account, vnfr["member-vnf-index-ref"], vdur["vdu-id-ref"]))
+
+ # step 2. Update pdu
+ rollback_pdu = {
+ "_admin.usageState": pdu["_admin"]["usageState"],
+ "_admin.usage.vnfr_id": None,
+ "_admin.usage.nsr_id": None,
+ "_admin.usage.vdur": None,
+ }
+ self.db.set_one("pdus", {"_id": pdu["_id"]},
+ {"_admin.usageState": "IN_USE",
+ "_admin.usage": {"vnfr_id": vnfr["_id"],
+ "nsr_id": vnfr["nsr-id-ref"],
+ "vdur": vdur["vdu-id-ref"]}
+ })
+ rollback.append({"topic": "pdus", "_id": pdu["_id"], "operation": "set", "content": rollback_pdu})
+
+ # step 3. Fill vnfr info by filling vdur
+ vdu_text = "vdur.{}".format(vdur_index)
+ vnfr_update_rollback[vdu_text + ".pdu-id"] = None
+ vnfr_update[vdu_text + ".pdu-id"] = pdu["_id"]
+ for iface_index, vdur_interface in enumerate(vdur["interfaces"]):
+ for pdu_interface in pdu["interfaces"]:
+ if pdu_interface["name"] == vdur_interface["name"]:
+ iface_text = vdu_text + ".interfaces.{}".format(iface_index)
+ for k, v in pdu_interface.items():
+ if k in ("ip-address", "mac-address"): # TODO: switch-xxxxx must be inserted
+ vnfr_update[iface_text + ".{}".format(k)] = v
+ vnfr_update_rollback[iface_text + ".{}".format(k)] = vdur_interface.get(v)
+ if pdu_interface.get("ip-address"):
+ if vdur_interface.get("mgmt-interface"):
+ vnfr_update_rollback[vdu_text + ".ip-address"] = vdur.get("ip-address")
+ vnfr_update[vdu_text + ".ip-address"] = pdu_interface["ip-address"]
+ if vdur_interface.get("mgmt-vnf"):
+ vnfr_update_rollback["ip-address"] = vnfr.get("ip-address")
+ vnfr_update["ip-address"] = pdu_interface["ip-address"]
+ if pdu_interface.get("vim-network-name") or pdu_interface.get("vim-network-id"):
+ ifaces_forcing_vim_network.append({
+ "name": vdur_interface.get("vnf-vld-id") or vdur_interface.get("ns-vld-id"),
+ "vnf-vld-id": vdur_interface.get("vnf-vld-id"),
+ "ns-vld-id": vdur_interface.get("ns-vld-id")})
+ if pdu_interface.get("vim-network-id"):
+ ifaces_forcing_vim_network.append({
+ "vim-network-id": pdu_interface.get("vim-network-id")})
+ if pdu_interface.get("vim-network-name"):
+ ifaces_forcing_vim_network.append({
+ "vim-network-name": pdu_interface.get("vim-network-name")})
+ break
+
+ return ifaces_forcing_vim_network
+
+ def _update_vnfrs(self, session, rollback, nsr, indata):
+ vnfrs = None
+ # get vnfr
+ nsr_id = nsr["_id"]
+ vnfrs = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+
+ for vnfr in vnfrs:
+ vnfr_update = {}
+ vnfr_update_rollback = {}
+ member_vnf_index = vnfr["member-vnf-index-ref"]
+ # update vim-account-id
+
+ vim_account = indata["vimAccountId"]
+ # check instantiate parameters
+ for vnf_inst_params in get_iterable(indata.get("vnf")):
+ if vnf_inst_params["member-vnf-index"] != member_vnf_index:
+ continue
+ if vnf_inst_params.get("vimAccountId"):
+ vim_account = vnf_inst_params.get("vimAccountId")
+
+ vnfr_update["vim-account-id"] = vim_account
+ vnfr_update_rollback["vim-account-id"] = vnfr.get("vim-account-id")
+
+ # get pdu
+ ifaces_forcing_vim_network = self._look_for_pdu(session, rollback, vnfr, vim_account, vnfr_update,
+ vnfr_update_rollback)
+
+ # updata database vnfr
+ self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, vnfr_update)
+ rollback.append({"topic": "vnfrs", "_id": vnfr["_id"], "operation": "set", "content": vnfr_update_rollback})
+
+ # Update indada in case pdu forces to use a concrete vim-network-name
+ # TODO check if user has already insert a vim-network-name and raises an error
+ if not ifaces_forcing_vim_network:
+ continue
+ for iface_info in ifaces_forcing_vim_network:
+ if iface_info.get("ns-vld-id"):
+ if "vld" not in indata:
+ indata["vld"] = []
+ indata["vld"].append({key: iface_info[key] for key in
+ ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)})
+
+ elif iface_info.get("vnf-vld-id"):
+ if "vnf" not in indata:
+ indata["vnf"] = []
+ indata["vnf"].append({
+ "member-vnf-index": member_vnf_index,
+ "internal-vld": [{key: iface_info[key] for key in
+ ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)}]
+ })
+
+ @staticmethod
+ def _create_nslcmop(nsr_id, operation, params):
+ """
+ Creates a ns-lcm-opp content to be stored at database.
+ :param nsr_id: internal id of the instance
+ :param operation: instantiate, terminate, scale, action, ...
+ :param params: user parameters for the operation
+ :return: dictionary following SOL005 format
+ """
now = time()
_id = str(uuid4())
nslcmop = {
"_id": _id,
"operationState": "PROCESSING", # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
"statusEnteredTime": now,
- "nsInstanceId": nsInstanceId,
+ "nsInstanceId": nsr_id,
"lcmOperationType": operation,
"startTime": now,
"isAutomaticInvocation": False,
"isCancelPending": False,
"links": {
"self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
- "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsInstanceId,
+ "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
}
}
return nslcmop
- def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None, slice_object=False):
"""
Performs a new operation over a ns
:param rollback: list to append created items at database in case a rollback must to be done
- :param session: contains the used login username and working project
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
:param indata: descriptor with the parameters of the operation. It must contains among others
nsInstanceId: _id of the nsr to perform the operation
operation: it can be: instantiate, terminate, action, TODO: update, heal
:param kwargs: used to override the indata descriptor
:param headers: http request headers
- :param force: If True avoid some dependence checks
- :param make_public: Make the created item public to all projects
:return: id of the nslcmops
"""
try:
validate_input(indata, self.operation_schema[operation])
# get ns from nsr_id
- _filter = BaseTopic._get_project_filter(session, write=True, show_all=False)
+ _filter = BaseTopic._get_project_filter(session)
_filter["_id"] = nsInstanceId
nsr = self.db.get_one("nsrs", _filter)
if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
if operation == "terminate" and indata.get("autoremove"):
# NSR must be deleted
- return self.delete(session, nsInstanceId)
+ return None # a none in this case is used to indicate not instantiated. It can be removed
if operation != "instantiate":
raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
nsInstanceId, operation), HTTPStatus.CONFLICT)
else:
- if operation == "instantiate" and not indata.get("force"):
+ if operation == "instantiate" and not session["force"]:
raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format(
nsInstanceId, operation), HTTPStatus.CONFLICT)
self._check_ns_operation(session, nsr, operation, indata)
- nslcmop_desc = self._create_nslcmop(session, nsInstanceId, operation, indata)
- self.format_on_new(nslcmop_desc, session["project_id"], make_public=make_public)
+
+ if operation == "instantiate":
+ self._update_vnfrs(session, rollback, nsr, indata)
+
+ nslcmop_desc = self._create_nslcmop(nsInstanceId, operation, indata)
+ self.format_on_new(nslcmop_desc, session["project_id"], make_public=session["public"])
_id = self.db.create("nslcmops", nslcmop_desc)
rollback.append({"topic": "nslcmops", "_id": _id})
- self.msg.write("ns", operation, nslcmop_desc)
+ if not slice_object:
+ self.msg.write("ns", operation, nslcmop_desc)
return _id
except ValidationError as e:
raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
# except DbException as e:
# raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
- def delete(self, session, _id, force=False, dry_run=False):
+ def delete(self, session, _id, dry_run=False):
+ raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
+
+
+class NsiTopic(BaseTopic):
+ topic = "nsis"
+ topic_msg = "nsi"
+
+ def __init__(self, db, fs, msg):
+ BaseTopic.__init__(self, db, fs, msg)
+ self.nsrTopic = NsrTopic(db, fs, msg)
+
+ @staticmethod
+ def _format_ns_request(ns_request):
+ formated_request = copy(ns_request)
+ # TODO: Add request params
+ return formated_request
+
+ @staticmethod
+ def _format_addional_params(slice_request):
+ """
+ Get and format user additional params for NS or VNF
+ :param slice_request: User instantiation additional parameters
+ :return: a formatted copy of additional params or None if not supplied
+ """
+ additional_params = copy(slice_request.get("additionalParamsForNsi"))
+ if additional_params:
+ for k, v in additional_params.items():
+ if not isinstance(k, str):
+ raise EngineException("Invalid param at additionalParamsForNsi:{}. Only string keys are allowed".
+ format(k))
+ if "." in k or "$" in k:
+ raise EngineException("Invalid param at additionalParamsForNsi:{}. Keys must not contain dots or $".
+ format(k))
+ if isinstance(v, (dict, tuple, list)):
+ additional_params[k] = "!!yaml " + safe_dump(v)
+ return additional_params
+
+ def _check_descriptor_dependencies(self, session, descriptor):
+ """
+ Check that the dependent descriptors exist on a new descriptor or edition
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param descriptor: descriptor to be inserted or edit
+ :return: None or raises exception
+ """
+ if not descriptor.get("nst-ref"):
+ return
+ nstd_id = descriptor["nst-ref"]
+ if not self.get_item_list(session, "nsts", {"id": nstd_id}):
+ 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, 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 = 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_extra(self, session, _id, db_content):
+ """
+ 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 db_content: The database content of the descriptor
+ :return: None if ok or raises EngineException with the problem
+ """
+
+ # Deleting the nsrs belonging to nsir
+ 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"):
+ _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
+
+ # delete related nsilcmops database entries
+ self.db.del_list("nsilcmops", {"netsliceInstanceId": _id})
+
+ # Check and set used NST usage state
+ nsir_admin = nsir.get("_admin")
+ 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):
+ """
+ Creates a new netslice instance record into database. It also creates needed nsrs and vnfrs
+ :param rollback: list to append the created items at database in case a rollback must be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: params to be used for the nsir
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: the _id of nsi descriptor created at database
+ """
+
+ try:
+ slice_request = self._remove_envelop(indata)
+ # Override descriptor with query string kwargs
+ self._update_input_with_kwargs(slice_request, kwargs)
+ self._validate_input_new(slice_request, session["force"])
+
+ step = ""
+ # look for nstd
+ step = "getting nstd id='{}' from database".format(slice_request.get("nstId"))
+ _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())
+ step = "filling nsi_descriptor with input data"
+
+ # Creating the NSIR
+ nsi_descriptor = {
+ "id": nsi_id,
+ "name": slice_request["nsiName"],
+ "description": slice_request.get("nsiDescription", ""),
+ "datacenter": slice_request["vimAccountId"],
+ "nst-ref": nstd["id"],
+ "instantiation_parameters": slice_request,
+ "network-slice-template": nstd,
+ "nsr-ref-list": [],
+ "vlr-list": [],
+ "_id": nsi_id,
+ "additionalParamsForNsi": self._format_addional_params(slice_request)
+ }
+
+ step = "creating nsi at database"
+ self.format_on_new(nsi_descriptor, session["project_id"], make_public=session["public"])
+ nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED"
+ nsi_descriptor["_admin"]["netslice-subnet"] = None
+ nsi_descriptor["_admin"]["deployed"] = {}
+ nsi_descriptor["_admin"]["deployed"]["RO"] = []
+ nsi_descriptor["_admin"]["nst-id"] = nstd_id
+
+ # Creating netslice-vld for the RO.
+ step = "creating netslice-vld at database"
+
+ # Building the vlds list to be deployed
+ # From netslice descriptors, creating the initial list
+ nsi_vlds = []
+
+ for netslice_vlds in get_iterable(nstd.get("netslice-vld")):
+ # Getting template Instantiation parameters from NST
+ nsi_vld = deepcopy(netslice_vlds)
+ nsi_vld["shared-nsrs-list"] = []
+ nsi_vld["vimAccountId"] = slice_request["vimAccountId"]
+ nsi_vlds.append(nsi_vld)
+
+ nsi_descriptor["_admin"]["netslice-vld"] = nsi_vlds
+ # Creating netslice-subnet_record.
+ needed_nsds = {}
+ services = []
+
+ # Updating the nstd with the nsd["_id"] associated to the nss -> services list
+ for member_ns in nstd["netslice-subnet"]:
+ nsd_id = member_ns["nsd-ref"]
+ step = "getting nstd id='{}' constituent-nsd='{}' from database".format(
+ member_ns["nsd-ref"], member_ns["id"])
+ if nsd_id not in needed_nsds:
+ # Obtain nsd
+ _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:
+ nsd = needed_nsds[nsd_id]
+ member_ns["_id"] = needed_nsds[nsd_id].get("_id")
+ services.append(member_ns)
+
+ step = "filling nsir nsd-id='{}' constituent-nsd='{}' from database".format(
+ member_ns["nsd-ref"], member_ns["id"])
+
+ # creates Network Services records (NSRs)
+ step = "creating nsrs at database using NsrTopic.new()"
+ ns_params = slice_request.get("netslice-subnet")
+ nsrs_list = []
+ nsi_netslice_subnet = []
+ for service in services:
+ # Check if the netslice-subnet is shared and if it is share if the nss exists
+ _id_nsr = None
+ indata_ns = {}
+ # Is the nss shared and instantiated?
+ _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"):
+ nsrs_detailed_list = nsi["_admin"]["nsrs-detailed-list"]
+ for nsrs_detailed_item in nsrs_detailed_list:
+ if nsrs_detailed_item["nsd-id"] == service["nsd-ref"]:
+ _id_nsr = nsrs_detailed_item["nsrId"]
+ break
+ for netslice_subnet in nsi["_admin"]["netslice-subnet"]:
+ if netslice_subnet["nss-id"] == service["id"]:
+ indata_ns = netslice_subnet
+ break
+ else:
+ indata_ns = {}
+ if service.get("instantiation-parameters"):
+ indata_ns = deepcopy(service["instantiation-parameters"])
+ # del service["instantiation-parameters"]
+
+ indata_ns["nsdId"] = service["_id"]
+ indata_ns["nsName"] = slice_request.get("nsiName") + "." + service["id"]
+ indata_ns["vimAccountId"] = slice_request.get("vimAccountId")
+ indata_ns["nsDescription"] = service["description"]
+ indata_ns["key-pair-ref"] = slice_request.get("key-pair-ref")
+
+ if ns_params:
+ for ns_param in ns_params:
+ if ns_param.get("id") == service["id"]:
+ copy_ns_param = deepcopy(ns_param)
+ del copy_ns_param["id"]
+ indata_ns.update(copy_ns_param)
+ break
+
+ # Creates Nsr objects
+ _id_nsr = self.nsrTopic.new(rollback, session, indata_ns, kwargs, headers)
+ nsrs_item = {"nsrId": _id_nsr, "shared": service.get("is-shared-nss"), "nsd-id": service["nsd-ref"],
+ "nslcmop_instantiate": None}
+ indata_ns["nss-id"] = service["id"]
+ nsrs_list.append(nsrs_item)
+ nsi_netslice_subnet.append(indata_ns)
+ nsr_ref = {"nsr-ref": _id_nsr}
+ nsi_descriptor["nsr-ref-list"].append(nsr_ref)
+
+ # Adding the nsrs list to the nsi
+ nsi_descriptor["_admin"]["nsrs-detailed-list"] = nsrs_list
+ nsi_descriptor["_admin"]["netslice-subnet"] = nsi_netslice_subnet
+ self.db.set_one("nsts", {"_id": slice_request["nstId"]}, {"_admin.usageState": "IN_USE"})
+
+ # Creating the entry in the database
+ self.db.create("nsis", nsi_descriptor)
+ rollback.append({"topic": "nsis", "_id": nsi_id})
+ return nsi_id
+ except Exception as e:
+ self.logger.exception("Exception {} at NsiTopic.new()".format(e), exc_info=True)
+ raise EngineException("Error {}: {}".format(step, e))
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
+ raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
+
+
+class NsiLcmOpTopic(BaseTopic):
+ topic = "nsilcmops"
+ topic_msg = "nsi"
+ operation_schema = { # mapping between operation and jsonschema to validate
+ "instantiate": nsi_instantiate,
+ "terminate": None
+ }
+
+ def __init__(self, db, fs, msg):
+ BaseTopic.__init__(self, db, fs, msg)
+ self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg)
+
+ def _check_nsi_operation(self, session, nsir, operation, indata):
+ """
+ Check that user has enter right parameters for the operation
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param operation: it can be: instantiate, terminate, action, TODO: update, heal
+ :param indata: descriptor with the parameters of the operation
+ :return: None
+ """
+ nsds = {}
+ nstd = nsir["network-slice-template"]
+
+ def check_valid_netslice_subnet_id(nstId):
+ # TODO change to vnfR (??)
+ for netslice_subnet in nstd["netslice-subnet"]:
+ if nstId == netslice_subnet["id"]:
+ nsd_id = netslice_subnet["nsd-ref"]
+ if nsd_id not in nsds:
+ nsds[nsd_id] = self.db.get_one("nsds", {"id": nsd_id})
+ return nsds[nsd_id]
+ else:
+ raise EngineException("Invalid parameter nstId='{}' is not one of the "
+ "nst:netslice-subnet".format(nstId))
+ if operation == "instantiate":
+ # check the existance of netslice-subnet items
+ for in_nst in get_iterable(indata.get("netslice-subnet")):
+ check_valid_netslice_subnet_id(in_nst["id"])
+
+ def _create_nsilcmop(self, session, netsliceInstanceId, operation, params):
+ now = time()
+ _id = str(uuid4())
+ nsilcmop = {
+ "id": _id,
+ "_id": _id,
+ "operationState": "PROCESSING", # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
+ "statusEnteredTime": now,
+ "netsliceInstanceId": netsliceInstanceId,
+ "lcmOperationType": operation,
+ "startTime": now,
+ "isAutomaticInvocation": False,
+ "operationParams": params,
+ "isCancelPending": False,
+ "links": {
+ "self": "/osm/nsilcm/v1/nsi_lcm_op_occs/" + _id,
+ "netsliceInstanceId": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId,
+ }
+ }
+ return nsilcmop
+
+ def add_shared_nsr_2vld(self, nsir, nsr_item):
+ for nst_sb_item in nsir["network-slice-template"].get("netslice-subnet"):
+ if nst_sb_item.get("is-shared-nss"):
+ for admin_subnet_item in nsir["_admin"].get("netslice-subnet"):
+ if admin_subnet_item["nss-id"] == nst_sb_item["id"]:
+ for admin_vld_item in nsir["_admin"].get("netslice-vld"):
+ for admin_vld_nss_cp_ref_item in admin_vld_item["nss-connection-point-ref"]:
+ if admin_subnet_item["nss-id"] == admin_vld_nss_cp_ref_item["nss-ref"]:
+ if not nsr_item["nsrId"] in admin_vld_item["shared-nsrs-list"]:
+ admin_vld_item["shared-nsrs-list"].append(nsr_item["nsrId"])
+ break
+ # self.db.set_one("nsis", {"_id": nsir["_id"]}, nsir)
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, {"_admin.netslice-vld": nsir["_admin"].get("netslice-vld")})
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None):
+ """
+ Performs a new operation over a ns
+ :param rollback: list to append created items at database in case a rollback must to be done
+ :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
+ :param indata: descriptor with the parameters of the operation. It must contains among others
+ netsliceInstanceId: _id of the nsir to perform the operation
+ operation: it can be: instantiate, terminate, action, TODO: update, heal
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: id of the nslcmops
+ """
+ try:
+ # Override descriptor with query string kwargs
+ self._update_input_with_kwargs(indata, kwargs)
+ operation = indata["lcmOperationType"]
+ netsliceInstanceId = indata["netsliceInstanceId"]
+ validate_input(indata, self.operation_schema[operation])
+
+ # get nsi from netsliceInstanceId
+ _filter = self._get_project_filter(session)
+ _filter["_id"] = netsliceInstanceId
+ nsir = self.db.get_one("nsis", _filter)
+ del _filter["_id"]
+
+ # initial checking
+ if not nsir["_admin"].get("nsiState") or nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED":
+ if operation == "terminate" and indata.get("autoremove"):
+ # NSIR must be deleted
+ return None # a none in this case is used to indicate not instantiated. It can be removed
+ if operation != "instantiate":
+ raise EngineException("netslice_instance '{}' cannot be '{}' because it is not instantiated".format(
+ netsliceInstanceId, operation), HTTPStatus.CONFLICT)
+ else:
+ if operation == "instantiate" and not session["force"]:
+ raise EngineException("netslice_instance '{}' cannot be '{}' because it is already instantiated".
+ format(netsliceInstanceId, operation), HTTPStatus.CONFLICT)
+
+ # Creating all the NS_operation (nslcmop)
+ # Get service list from db
+ nsrs_list = nsir["_admin"]["nsrs-detailed-list"]
+ nslcmops = []
+ # nslcmops_item = None
+ for index, nsr_item in enumerate(nsrs_list):
+ nsi = None
+ if nsr_item.get("shared"):
+ _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"] = netsliceInstanceId
+ 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"]
+ for nsi_nsr_item in nsi_admin_shared:
+ if nsi_nsr_item["nsd-id"] == nsr_item["nsd-id"] and nsi_nsr_item["shared"]:
+ self.add_shared_nsr_2vld(nsir, nsr_item)
+ nslcmops.append(nsi_nsr_item["nslcmop_instantiate"])
+ _update = {"_admin.nsrs-detailed-list.{}".format(index): nsi_nsr_item}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+ break
+ # continue to not create nslcmop since nsrs is shared and nsrs was created
+ continue
+ else:
+ self.add_shared_nsr_2vld(nsir, nsr_item)
+
+ try:
+ service = self.db.get_one("nsrs", {"_id": nsr_item["nsrId"]})
+ indata_ns = {}
+ indata_ns = service["instantiate_params"]
+ indata_ns["lcmOperationType"] = operation
+ indata_ns["nsInstanceId"] = service["_id"]
+ # Including netslice_id in the ns instantiate Operation
+ indata_ns["netsliceInstanceId"] = netsliceInstanceId
+ del indata_ns["key-pair-ref"]
+ # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
+ # message via kafka bus
+ nslcmop = self.nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers,
+ slice_object=True)
+ nslcmops.append(nslcmop)
+ if operation == "terminate":
+ nslcmop = None
+ _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): nslcmop}
+ self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
+ except (DbException, EngineException) as e:
+ if e.http_code == HTTPStatus.NOT_FOUND:
+ self.logger.info("HTTPStatus.NOT_FOUND")
+ pass
+ else:
+ raise
+
+ # Creates nsilcmop
+ indata["nslcmops_ids"] = nslcmops
+ self._check_nsi_operation(session, nsir, operation, indata)
+
+ nsilcmop_desc = self._create_nsilcmop(session, netsliceInstanceId, operation, indata)
+ self.format_on_new(nsilcmop_desc, session["project_id"], make_public=session["public"])
+ _id = self.db.create("nsilcmops", nsilcmop_desc)
+ rollback.append({"topic": "nsilcmops", "_id": _id})
+ self.msg.write("nsi", operation, nsilcmop_desc)
+ return _id
+ except ValidationError as e:
+ raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
+
+ def delete(self, session, _id, dry_run=False):
raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
- def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
+ def edit(self, session, _id, indata=None, kwargs=None, content=None):
raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
projects / osm / NBI.git / blobdiff