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 yaml import safe_dump
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
if dry_run:
return
+ self.fs.file_delete(_id, ignore_non_exist=True)
v = self.db.del_one("nsrs", {"_id": _id})
self.db.del_list("nslcmops", {"nsInstanceId": _id})
self.db.del_list("vnfrs", {"nsr-id-ref": _id})
self._send_msg("deleted", {"_id": _id})
return v
+ @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():
+ 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, force=False, make_public=False):
"""
Creates a new nsr into database. It also creates needed vnfrs
nsd = self.db.get_one("nsds", _filter)
nsr_id = str(uuid4())
+
now = time()
step = "filling nsr from input data"
nsr_descriptor = {
"nsd-name-ref": nsd["name"],
"operational-events": [], # "id", "timestamp", "description", "event",
"nsd-ref": nsd["id"],
- "instantiate_params": ns_request,
+ "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,
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})
+ {key: nsd_vld[key] for key in ("id", "vim-network-name", "vim-network-id") if key in nsd_vld})
# Create VNFR
needed_vnfds = {}
"_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,
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})
+ {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", ()):
self.format_on_new(nsr_descriptor, session["project_id"], make_public=make_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)
}
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"]}
- )
+ "_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
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"):
+ 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")})
+ 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
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)
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):
"""
_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.nsrTopic.delete(session, nsr_id, force=False, dry_run=False)
self._send_msg("deleted", {"_id": _id})
return v
"nsr-ref-list": [],
"vlr-list": [],
"_id": nsi_id,
+ "additionalParamsForNsi": self._format_addional_params(slice_request)
}
step = "creating nsi at database"
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
+ # 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"] and ins_param.get("vim-network-name"):
+ 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_descriptor["_admin"]["netslice-vld"] = nsi_vlds
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")
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
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 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"
+ 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:
- 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)
+ 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}
nsrs_list.append(nsrs_item)
nsi_netslice_subnet.append(indata_ns)
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)
+ 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(
nsiInstanceId, operation), HTTPStatus.CONFLICT)
projects / osm / NBI.git / blobdiff