X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Finstance_topics.py;h=c3471ea3749c43fc9b707bb7b0eb3cdda1f9e4c6;hp=de2a1e6bacc933bee332e93965ed5bd4a6ff5db5;hb=ff6485df64447e9d8fb272eff7cd6cbf27fdf613;hpb=5e72d153a809b6855d14c29ec5e4180650c0d282;ds=inline diff --git a/osm_nbi/instance_topics.py b/osm_nbi/instance_topics.py index de2a1e6..c3471ea 100644 --- a/osm_nbi/instance_topics.py +++ b/osm_nbi/instance_topics.py @@ -1,11 +1,24 @@ # -*- 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 @@ -66,7 +79,7 @@ class NsrTopic(BaseTopic): 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 @@ -126,13 +139,19 @@ class NsrTopic(BaseTopic): "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"]) @@ -160,6 +179,15 @@ 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") 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"], @@ -169,10 +197,8 @@ 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"]: - 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 @@ -180,6 +206,8 @@ class NsrTopic(BaseTopic): "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 = { @@ -196,8 +224,44 @@ 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 # 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"]) @@ -254,17 +318,6 @@ class NsLcmOpTopic(BaseTopic): 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 @@ -291,38 +344,31 @@ class NsLcmOpTopic(BaseTopic): 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")): @@ -332,10 +378,11 @@ class NsLcmOpTopic(BaseTopic): 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='{}'" @@ -346,10 +393,11 @@ class NsLcmOpTopic(BaseTopic): 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": @@ -406,7 +454,164 @@ class NsLcmOpTopic(BaseTopic): 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 = { @@ -414,7 +619,7 @@ 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, @@ -422,12 +627,13 @@ 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 - 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 @@ -466,11 +672,16 @@ 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) - 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) @@ -482,3 +693,314 @@ class NsLcmOpTopic(BaseTopic): 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 + self.logger.info(str(slice_request)) + 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" + + # "instantiation-parameters.netslice-subnet": [] + # TODO: Equal as template for now + nsi_descriptor = { + "id": nsi_id, + "nst-ref": nstd["id"], + "instantiation-parameters": { + "netslice-subnet": [] + }, + "network-slice-template": nstd, + "_id": nsi_id, + } + + # 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"]) + + step = "creating nsi at database" + self.format_on_new(nsi_descriptor, session["project_id"], make_public=make_public) + nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED" + + ns_params = indata.get("ns") + + # creates Network Services records (NSRs) + step = "creating nsrs at database using NsrTopic.new()" + nsrs_list = [] + for service in services: + indata_ns = {} + indata_ns["nsdId"] = service["_id"] + indata_ns["nsName"] = service["id"] + 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) + # Overwriting ns_params filtering by nsName == netslice-subnet.id + if ns_params: + for ns_param in ns_params: + if ns_param["nsName"] == service["id"]: + indata_ns.update(ns_param) + _id_nsr = NsrTopic.new(self, rollback, session, indata_ns, kwargs, headers, force) + nsrs_item = {"nsrId": _id_nsr} + nsrs_list.append(nsrs_item) + + # Adding the nsrs list to the nsi + nsi_descriptor["_admin"]["nsrs-detailed-list"] = nsrs_list + # 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(nsId): + # TODO change to vnfR (??) + for ns in nstd["netslice-subnet"]: + if nsId == ns["id"]: + nsd_id = ns["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)) + 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"]) + + 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)