# -*- 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
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})
+ {"_admin.usageState": "NOT_IN_USE", "_admin.usage": None})
self._send_msg("deleted", {"_id": _id})
return v
"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") 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"])
"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") 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"])
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
def _check_vnf_instantiation_params(in_vnfd, vnfd):
- for in_vdu in get_iterable(in_vnfd["vdu"]):
- if in_vdu.get("id"):
- for vdu in get_iterable(vnfd["vdu"]):
- if in_vdu["id"] == vdu["id"]:
- for volume in get_iterable(in_vdu.get("volume")):
- for volumed in get_iterable(vdu.get("volumes")):
- if volumed["name"] == volume["name"]:
- break
- else:
- raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
- "volume:name='{}' is not present at vnfd:vdu:volumes list".
- format(in_vnf["member-vnf-index"], in_vdu["id"],
- volume["name"]))
- for in_iface in get_iterable(in_vdu["interface"]):
- if in_iface.get("name"):
- for iface in vdu["interface"]:
- if in_iface["name"] == iface["name"]:
- break
- else:
- raise EngineException("vdu[id='{}']:interface[name='{}'] defined in "
- "additional configuration, is not present at vnfd '{}'"
- .format(in_vdu["id"], in_iface["name"], vnfd["id"]))
- else:
- raise EngineException("vdu[id='{}']:interface defined in additional "
- "configuration needs 'name' parameter to be defined"
- .format(in_vdu["id"]))
- break
- else:
- raise EngineException("VDU '{}' defined in additional configuration, is not present at vnfd "
- "'{}'".format(in_vdu["id"], vnfd["id"]))
+ for in_vdu in get_iterable(in_vnfd.get("vdu")):
+ for vdu in get_iterable(vnfd.get("vdu")):
+ if in_vdu["id"] == vdu["id"]:
+ for volume in get_iterable(in_vdu.get("volume")):
+ for volumed in get_iterable(vdu.get("volumes")):
+ if volumed["name"] == volume["name"]:
+ break
+ else:
+ raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
+ "volume:name='{}' is not present at vnfd:vdu:volumes list".
+ format(in_vnf["member-vnf-index"], in_vdu["id"],
+ volume["name"]))
+ for in_iface in get_iterable(in_vdu["interface"]):
+ for iface in get_iterable(vdu.get("interface")):
+ if in_iface["name"] == iface["name"]:
+ break
+ else:
+ raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
+ "interface[name='{}'] is not present at vnfd:vdu:interface"
+ .format(in_vnf["member-vnf-index"], in_vdu["id"],
+ in_iface["name"]))
+ break
else:
- raise EngineException("No ID defined for VDU in the additional configuration")
+ raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}'] is is not present "
+ "at vnfd:vdu".format(in_vnf["member-vnf-index"], in_vdu["id"]))
for in_ivld in get_iterable(in_vnfd.get("internal-vld")):
for ivld in get_iterable(vnfd.get("internal-vld")):
if in_icp["id-ref"] == icp["id-ref"]:
break
else:
- raise EngineException("internal-vld:name='{}':internal-connection-point:"
- "id-ref='{}' defined in additional configuration, is not "
- "present at vnfd '{}'".format(in_ivld["name"],
- in_icp["id-ref"], vnfd["id"]))
+ raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld[name"
+ "='{}']:internal-connection-point[id-ref:'{}'] is not present at "
+ "vnfd:internal-vld:name/id:internal-connection-point"
+ .format(in_vnf["member-vnf-index"], in_ivld["name"],
+ in_icp["id-ref"], vnfd["id"]))
break
else:
raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld:name='{}'"
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, write=False, show_all=True)
+ 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)
if operation == "action":
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: client session information
+ :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, write=True, show_all=True)
+ 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"],
+ "_admin.usage.nsr_id": vnfr["nsr-id-ref"],
+ "_admin.usage.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({
+ # "vim-network-id": pdu_interface.get("vim-network-id"),
+ "vim-network-name": pdu_interface.get("vim-network-name"),
+ "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")})
+ 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, force=False, make_public=False,
+ 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
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)
+
+ 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=make_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)
def edit(self, session, _id, indata=None, kwargs=None, force=False, 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)
+
+ def _check_descriptor_dependencies(self, session, descriptor):
+ """
+ Check that the dependent descriptors exist on a new descriptor or edition
+ :param session: client session information
+ :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)
+
+ @staticmethod
+ def format_on_new(content, project_id=None, make_public=False):
+ BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
+
+ def check_conflict_on_del(self, session, _id, force=False):
+ if force:
+ return
+ nsi = self.db.get_one("nsis", {"_id": _id})
+ 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, force=False, dry_run=False):
+ """
+ Delete item by its internal _id
+ :param session: contains the used login username, working project, and admin rights
+ :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, ...
+ """
+ # TODO add admin to filter, validate rights
+ BaseTopic.delete(self, session, _id, force, dry_run=True)
+ if dry_run:
+ return
+
+ # 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)
+
+ _filter = {"operationParams.netsliceInstanceId": _id}
+ nslcmops_list = self.db.get_list("nslcmops", _filter)
+
+ for id_item in nslcmops_list:
+ _filter = {"_id": id_item}
+ nslcmop = self.db.get_one("nslcmops", _filter)
+ nsr_id = nslcmop["operationParams"]["nsr_id"]
+ NsrTopic.delete(self, session, nsr_id, force=False, dry_run=False)
+ self._send_msg("deleted", {"_id": _id})
+ return v
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
+ """
+ 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 the used login username and working project
+ :param indata: params to be used for the nsir
+ :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 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, force)
+
+ 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, write=False, show_all=True))
+ nstd = self.db.get_one("nsts", _filter)
+ nstd.pop("_admin", None)
+ 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,
+ }
+
+ step = "creating nsi at database"
+ self.format_on_new(nsi_descriptor, session["project_id"], make_public=make_public)
+ nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED"
+ nsi_descriptor["_admin"]["netslice-subnet"] = None
+
+ # Creating netslice-vld for the RO.
+ step = "creating netslice-vld at database"
+ instantiation_parameters = slice_request
+
+ # Building the vlds list to be deployed
+ # From netslice descriptors, creating the initial list
+ nsi_vlds = []
+ if nstd.get("netslice-vld"):
+ # Building VLDs from NST
+ for netslice_vlds in nstd["netslice-vld"]:
+ nsi_vld = {}
+ # Adding nst vld name and global vimAccountId for netslice vld creation
+ nsi_vld["name"] = netslice_vlds["name"]
+ nsi_vld["vimAccountId"] = slice_request["vimAccountId"]
+ # Getting template Instantiation parameters from NST
+ for netslice_vld in netslice_vlds["nss-connection-point-ref"]:
+ for netslice_subnet in nstd["netslice-subnet"]:
+ nsi_vld["nsd-ref"] = netslice_subnet["nsd-ref"]
+ nsi_vld["nsd-connection-point-ref"] = netslice_vld["nsd-connection-point-ref"]
+ # Obtaining the vimAccountId from template instantiation parameter
+ if netslice_subnet.get("instantiation-parameters"):
+ # Taking the vimAccountId from NST netslice-subnet instantiation parameters
+ if netslice_subnet["instantiation-parameters"].get("vimAccountId"):
+ netsn = netslice_subnet["instantiation-parameters"]["vimAccountId"]
+ nsi_vld["vimAccountId"] = netsn
+ # Obtaining the vimAccountId from user instantiation parameter
+ if instantiation_parameters.get("netslice-subnet"):
+ for ins_param in instantiation_parameters["netslice-subnet"]:
+ if ins_param.get("id") == netslice_vld["nss-ref"]:
+ if ins_param.get("vimAccountId"):
+ nsi_vld["vimAccountId"] = ins_param["vimAccountId"]
+ # Adding vim-network-name defined by the user to vld
+ if instantiation_parameters.get("netslice-vld"):
+ for ins_param in instantiation_parameters["netslice-vld"]:
+ if ins_param["name"] == netslice_vlds["name"] and ins_param.get("vim-network-name"):
+ nsi_vld["vim-network-name"] = ins_param.get("vim-network-name")
+ nsi_vlds.append(nsi_vld)
+
+ nsi_descriptor["_admin"]["netslice-vld"] = nsi_vlds
+ # Creating netslice-subnet_record.
+ needed_nsds = {}
+ services = []
+
+ 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
+ nsd = DescriptorTopic.get_one_by_id(self.db, session, "nsds", nsd_id)
+ nsd.pop("_admin")
+ needed_nsds[nsd_id] = nsd
+ member_ns["_id"] = needed_nsds[nsd_id].get("_id")
+ services.append(member_ns)
+ 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:
+ indata_ns = {}
+ 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"] = None
+
+ # NsrTopic(rollback, session, indata_ns, kwargs, headers, force)
+ # Overwriting ns_params filtering by nsName == netslice-subnet.id
+
+ 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)
+ # TODO: Improve network selection via networkID
+ if nsi_vlds:
+ indata_ns_list = []
+ for nsi_vld in nsi_vlds:
+ nsd = self.db.get_one("nsds", {"id": nsi_vld["nsd-ref"]})
+ if nsd["connection-point"]:
+ for vld_id_ref in nsd["connection-point"]:
+ name = vld_id_ref["vld-id-ref"]
+ vnm = nsi_vld.get("vim-network-name")
+ if type(vnm) is not dict:
+ vnm = {slice_request.get("vimAccountId"): vnm}
+ if vld_id_ref["name"] == nsi_vld["nsd-connection-point-ref"]:
+ if list(vnm.values())[0] is None:
+ networkName = "default"
+ else:
+ networkName = str(list(vnm.values())[0])
+ # VIMNetworkName = NetSliceName-NetworkName
+ vimnetname = str(slice_request["nsiName"]) + "-" + networkName
+ indata_ns_list.append({"name": name, "vim-network-name": vimnetname})
+ indata_ns["vld"] = indata_ns_list
+
+ _id_nsr = NsrTopic.new(self, rollback, session, indata_ns, kwargs, headers, force)
+ nsrs_item = {"nsrId": _id_nsr}
+ 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
+ # 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, force=False, 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)
+
+ def _check_nsi_operation(self, session, nsir, operation, indata):
+ """
+ Check that user has enter right parameters for the operation
+ :param session:
+ :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,
+ "nsInstance": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId,
+ }
+ }
+ return nsilcmop
+
+ def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=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 indata: descriptor with the parameters of the operation. It must contains among others
+ nsiInstanceId: _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
+ :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:
+ # Override descriptor with query string kwargs
+ self._update_input_with_kwargs(indata, kwargs)
+ operation = indata["lcmOperationType"]
+ nsiInstanceId = indata["nsiInstanceId"]
+ validate_input(indata, self.operation_schema[operation])
+
+ # get nsi from nsiInstanceId
+ _filter = BaseTopic._get_project_filter(session, write=True, show_all=False)
+ _filter["_id"] = nsiInstanceId
+ nsir = self.db.get_one("nsis", _filter)
+
+ # 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 self.delete(session, nsiInstanceId)
+ if operation != "instantiate":
+ raise EngineException("netslice_instance '{}' cannot be '{}' because it is not instantiated".format(
+ nsiInstanceId, operation), HTTPStatus.CONFLICT)
+ else:
+ if operation == "instantiate" and not indata.get("force"):
+ raise EngineException("netslice_instance '{}' cannot be '{}' because it is already instantiated".
+ format(nsiInstanceId, operation), HTTPStatus.CONFLICT)
+
+ # Creating all the NS_operation (nslcmop)
+ # Get service list from db
+ nsrs_list = nsir["_admin"]["nsrs-detailed-list"]
+ nslcmops = []
+ for nsr_item in nsrs_list:
+ 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"] = nsiInstanceId
+ del indata_ns["key-pair-ref"]
+ nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg)
+ # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
+ # message via kafka bus
+ nslcmop = nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers, force, slice_object=True)
+ nslcmops.append(nslcmop)
+
+ # Creates nsilcmop
+ indata["nslcmops_ids"] = nslcmops
+ self._check_nsi_operation(session, nsir, operation, indata)
+ nsilcmop_desc = self._create_nsilcmop(session, nsiInstanceId, operation, indata)
+ self.format_on_new(nsilcmop_desc, session["project_id"], make_public=make_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)
+ # except DbException as e:
+ # raise EngineException("Cannot get nsi_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
+
+ def delete(self, session, _id, force=False, 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):
+ raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)