X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Finstance_topics.py;h=55845d67fab9d24dc51f69e37d6cdccae0669d38;hp=41187dce9f98324e0556b0871cbd55ae2ab345c4;hb=36ffe5594a6f5ce262147c066bfadd438952acc1;hpb=07f3172ef24dab2c7c47c9a8e726f1f9876f13b3 diff --git a/osm_nbi/instance_topics.py b/osm_nbi/instance_topics.py index 41187dc..55845d6 100644 --- a/osm_nbi/instance_topics.py +++ b/osm_nbi/instance_topics.py @@ -1,5 +1,18 @@ # -*- 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 @@ -8,6 +21,9 @@ 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 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 " @@ -61,6 +77,7 @@ class NsrTopic(BaseTopic): 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}) @@ -70,6 +87,67 @@ class NsrTopic(BaseTopic): 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(): + # 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 ("", ""): + 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 @@ -97,6 +175,7 @@ class NsrTopic(BaseTopic): nsd = self.db.get_one("nsds", _filter) nsr_id = str(uuid4()) + now = time() step = "filling nsr from input data" nsr_descriptor = { @@ -121,18 +200,26 @@ class NsrTopic(BaseTopic): "nsd-name-ref": nsd["name"], "operational-events": [], # "id", "timestamp", "description", "event", "nsd-ref": nsd["id"], - "instantiate_params": ns_request, + "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, "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"]) @@ -151,6 +238,8 @@ class NsrTopic(BaseTopic): "_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, @@ -160,6 +249,16 @@ class NsrTopic(BaseTopic): "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"], @@ -169,7 +268,7 @@ class NsrTopic(BaseTopic): # vim-id # TODO it would be nice having a vim port id } vnfr_descriptor["connection-point"].append(vnf_cp) - for vdu in vnfd["vdu"]: + for vdu in vnfd.get("vdu", ()): vdur = { "vdu-id-ref": vdu["id"], # TODO "name": "" Name of the VDU in the VIM @@ -196,8 +295,32 @@ class NsrTopic(BaseTopic): # "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 + 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) count = vdu.get("count", 1) @@ -224,6 +347,10 @@ class NsrTopic(BaseTopic): 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) @@ -276,6 +403,7 @@ class NsLcmOpTopic(BaseTopic): """ vnfds = {} vim_accounts = [] + wim_accounts = [] nsd = nsr["nsd"] def check_valid_vnf_member_index(member_vnf_index): @@ -348,6 +476,19 @@ class NsLcmOpTopic(BaseTopic): 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"): @@ -388,6 +529,7 @@ class NsLcmOpTopic(BaseTopic): 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) @@ -395,6 +537,7 @@ class NsLcmOpTopic(BaseTopic): 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 @@ -402,26 +545,38 @@ class NsLcmOpTopic(BaseTopic): raise EngineException("Invalid parameter vld:name='{}' is not present at nsd:vld".format( in_vld["name"])) - def _look_for_pdu(self, session, rollback, vnfr, vim_account): + 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 vdur with ip_address information - :param vdur: vnfr:vdur descriptor. It is modified with pdu interface info if pdu is found - :param member_vnf_index: used just for logging. Target vnfd of nsd - :param vim_account: - :return: vder_update: dictionary to update vnfr:vdur with pdu info. In addition it modified choosen pdu to set - at status IN_USE + 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 """ - vnfr_update = {} - rollback_vnfr = {} + + 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.vim_accounts"] = vim_account + pdu_filter["vim_accounts"] = vim_account pdu_filter["type"] = pdu_type pdu_filter["_admin.operationalState"] = "ENABLED" - pdu_filter["_admin.usageState"] = "NOT_IN_USE", + pdu_filter["_admin.usageState"] = "NOT_IN_USE" # TODO feature 1417: "shared": True, available_pdus = self.db.get_list("pdus", pdu_filter) @@ -440,8 +595,8 @@ class NsLcmOpTopic(BaseTopic): break else: raise EngineException( - "No PDU of type={} found for member_vnf_index={} at vim_account={} matching interface " - "names".format(vdur["vdu-id-ref"], vnfr["member-vnf-index-ref"], pdu_type)) + "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 = { @@ -452,29 +607,45 @@ class NsLcmOpTopic(BaseTopic): } 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 vdu_text = "vdur.{}".format(vdur_index) - rollback_vnfr[vdu_text + ".pdu-id"] = None + 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(): - vnfr_update[iface_text + ".{}".format(k)] = v - rollback_vnfr[iface_text + ".{}".format(k)] = vdur_interface.get(v) + 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 - if vnfr_update: - self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, vnfr_update) - rollback.append({"topic": "vnfrs", "_id": vnfr["_id"], "operation": "set", "content": rollback_vnfr}) - return + return ifaces_forcing_vim_network def _update_vnfrs(self, session, rollback, nsr, indata): vnfrs = None @@ -500,10 +671,42 @@ class NsLcmOpTopic(BaseTopic): vnfr_update_rollback["vim-account-id"] = vnfr.get("vim-account-id") # get pdu - self._look_for_pdu(session, rollback, vnfr, vim_account) - # TODO change instantiation parameters to set network + ifaces_forcing_vim_network = self._look_for_pdu(session, rollback, vnfr, vim_account, vnfr_update, + vnfr_update_rollback) - def _create_nslcmop(self, session, nsInstanceId, operation, params): + # 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 = { @@ -511,7 +714,7 @@ class NsLcmOpTopic(BaseTopic): "_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, @@ -519,7 +722,7 @@ class NsLcmOpTopic(BaseTopic): "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 @@ -555,7 +758,7 @@ class NsLcmOpTopic(BaseTopic): 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) @@ -564,9 +767,11 @@ class NsLcmOpTopic(BaseTopic): raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format( nsInstanceId, operation), HTTPStatus.CONFLICT) self._check_ns_operation(session, nsr, operation, indata) + if operation == "instantiate": self._update_vnfrs(session, rollback, nsr, indata) - nslcmop_desc = self._create_nslcmop(session, nsInstanceId, operation, 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}) @@ -591,6 +796,33 @@ class NsiTopic(BaseTopic): 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): """ @@ -633,6 +865,24 @@ class NsiTopic(BaseTopic): 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}) @@ -640,15 +890,14 @@ class NsiTopic(BaseTopic): _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}) + # 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): @@ -672,31 +921,58 @@ class NsiTopic(BaseTopic): step = "" # look for nstd - self.logger.info(str(slice_request)) - step = "getting nstd id='{}' from database".format(slice_request.get("nstdId")) - _filter = {"id": slice_request["nstdId"]} + 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) + nstd_id = nstd.pop("_id", None) nsi_id = str(uuid4()) step = "filling nsi_descriptor with input data" - # "instantiation-parameters.netslice-subnet": [] - # TODO: Equal as template for now + # 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": { - "netslice-subnet": [] - }, + "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=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" + + # 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( @@ -706,37 +982,73 @@ class NsiTopic(BaseTopic): 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"]) - step = "creating nsi at database" - self.format_on_new(nsi_descriptor, session["project_id"], make_public=make_public) - nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED" - # 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"] = service["name"] - indata_ns["vimAccountId"] = indata.get("vimAccountId") - indata_ns["nsDescription"] = service["description"] - indata_ns["key-pair-ref"] = None - # NsrTopic(rollback, session, indata_ns, kwargs, headers, force) - _id_nsr = NsrTopic.new(self, 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} + 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}) @@ -758,9 +1070,10 @@ class NsiLcmOpTopic(BaseTopic): "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): """ @@ -773,21 +1086,21 @@ class NsiLcmOpTopic(BaseTopic): nsds = {} nstd = nsir["network-slice-template"] - def check_valid_netslice_subnet_id(nsId): + def check_valid_netslice_subnet_id(nstId): # TODO change to vnfR (??) - for ns in nstd["netslice-subnet"]: - if nsId == ns["id"]: - nsd_id = ns["nsd-ref"] + 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 nsId='{}' is not one of the " - "nst:netslice-subnet".format(nsId)) + 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")): - nstd = check_valid_netslice_subnet_id(in_nst["nsdId"]) + 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() @@ -810,6 +1123,20 @@ class NsiLcmOpTopic(BaseTopic): } 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 @@ -840,7 +1167,7 @@ class NsiLcmOpTopic(BaseTopic): 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) @@ -853,24 +1180,60 @@ class NsiLcmOpTopic(BaseTopic): # 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) @@ -879,8 +1242,6 @@ class NsiLcmOpTopic(BaseTopic): 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)