from base_topic import BaseTopic, EngineException, get_iterable
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>"
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:
"nsd-name-ref": nsd["name"],
"operational-events": [], # "id", "timestamp", "description", "event",
"nsd-ref": nsd["id"],
+ "nsd-id": nsd["_id"],
"instantiate_params": self._format_ns_request(ns_request),
"additionalParamsForNs": self._format_addional_params(ns_request),
"ns-instance-config-ref": nsr_id,
"""
vnfds = {}
vim_accounts = []
+ wim_accounts = []
nsd = nsr["nsd"]
def check_valid_vnf_member_index(member_vnf_index):
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"):
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
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, force=force, 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})
_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"]
- self.nsrTopic.delete(session, nsr_id, force=False, dry_run=False)
- self._send_msg("deleted", {"_id": _id})
+ # 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, force=False, make_public=False):
_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)
+ nstd_id = nstd.pop("_id", None)
nsi_id = str(uuid4())
step = "filling nsi_descriptor with input data"
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
-
+ 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"
- 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 / vim-network-id 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"]:
- if ins_param.get("vim-network-name"):
- nsi_vld["vim-network-name"] = ins_param.get("vim-network-name")
- if ins_param.get("vim-network-id"):
- nsi_vld["vim-network-id"] = ins_param.get("vim-network-id")
- if netslice_vlds.get("mgmt-network"):
- nsi_vld["mgmt-network"] = netslice_vlds.get("mgmt-network")
- nsi_vlds.append(nsi_vld)
+ 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(
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)
+ 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"])
- # check additionalParamsForSubnet contains a valid id
- if slice_request.get("additionalParamsForSubnet"):
- for additional_params_subnet in get_iterable(slice_request.get("additionalParamsForSubnet")):
- for service in services:
- if additional_params_subnet["id"] == service["id"]:
- break
- else:
- raise EngineException("Error at additionalParamsForSubnet:id='{}' not match any "
- "netslice-subnet:id".format(additional_params_subnet["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 = {}
- 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
- for additional_params_subnet in get_iterable(slice_request.get("additionalParamsForSubnet")):
- if additional_params_subnet["id"] == service["id"]:
- if additional_params_subnet.get("additionalParamsForNs"):
- indata_ns["additionalParamsForNs"] = additional_params_subnet["additionalParamsForNs"]
- if additional_params_subnet.get("additionalParamsForVnf"):
- indata_ns["additionalParamsForVnf"] = additional_params_subnet["additionalParamsForVnf"]
- break
-
- # 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
- # Override the instantiation parameters for netslice-vld provided by user
- 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 cp_item in nsd["connection-point"]:
- if cp_item["name"] == nsi_vld["nsd-connection-point-ref"]:
- vld_id_ref = cp_item["vld-id-ref"]
- # Mapping the vim-network-name or vim-network-id instantiation parameters
- if nsi_vld.get("vim-network-id"):
- vnid = nsi_vld.get("vim-network-id")
- if type(vnid) is not dict:
- vim_network_id = {slice_request.get("vimAccountId"): vnid}
- else: # is string
- vim_network_id = vnid
- indata_ns_list.append({"name": vld_id_ref, "vim-network-id": vim_network_id})
- # Case not vim-network-name instantiation parameter
- elif nsi_vld.get("vim-network-name"):
- vnm = nsi_vld.get("vim-network-name")
- if type(vnm) is not dict:
- vim_network_name = {slice_request.get("vimAccountId"): vnm}
- else: # is string
- vim_network_name = vnm
- indata_ns_list.append({"name": vld_id_ref,
- "vim-network-name": vim_network_name})
- # Case neither vim-network-name nor vim-network-id provided
- else:
- indata_ns_list.append({"name": vld_id_ref})
- if indata_ns_list:
- indata_ns["vld"] = indata_ns_list
-
- # Creates Nsr objects
- _id_nsr = self.nsrTopic.new(rollback, session, indata_ns, kwargs, headers, force)
- nsrs_item = {"nsrId": _id_nsr}
+ # Is the nss shared and instantiated?
+ _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
+ "_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, force)
+ 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}
# 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})
"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):
"""
}
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, force=False, make_public=False):
"""
Performs a new operation over a ns
# 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)
+ # 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,
+ "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_item["nsrId"],
+ "_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne": None,
+ "_id.ne": nsiInstanceId}
+
+ nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
+ # 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"] = nsiInstanceId
+ 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, force,
+ 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, nsiInstanceId, operation, indata)
self.format_on_new(nsilcmop_desc, session["project_id"], make_public=make_public)
_id = self.db.create("nsilcmops", 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)
projects / osm / NBI.git / blobdiff