X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Finstance_topics.py;h=f3418f73e199244f3741881acd05419973ecf52b;hp=de2a1e6bacc933bee332e93965ed5bd4a6ff5db5;hb=db04d1ed5d5da9cb1a31c56984663f90d1bf998a;hpb=5e72d153a809b6855d14c29ec5e4180650c0d282 diff --git a/osm_nbi/instance_topics.py b/osm_nbi/instance_topics.py index de2a1e6..f3418f7 100644 --- a/osm_nbi/instance_topics.py +++ b/osm_nbi/instance_topics.py @@ -1,13 +1,29 @@ # -*- 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 +# 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 " @@ -38,48 +54,128 @@ class NsrTopic(BaseTopic): BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public) content["_admin"]["nsState"] = "NOT_INSTANTIATED" - def check_conflict_on_del(self, session, _id, force=False): - if force: + def check_conflict_on_del(self, session, _id, db_content): + """ + Check that NSR is not instantiated + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + :param _id: nsr internal id + :param db_content: The database content of the nsr + :return: None or raises EngineException with the conflict + """ + if session["force"]: return - nsr = self.db.get_one("nsrs", {"_id": _id}) + nsr = db_content if nsr["_admin"].get("nsState") == "INSTANTIATED": raise EngineException("nsr '{}' 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): + def delete_extra(self, session, _id, db_content): """ - Delete item by its internal _id - :param session: contains the used login username, working project, and admin rights + Deletes associated nslcmops and vnfrs from database. Deletes associated filesystem. + Set usageState of pdu, vnfd, nsd + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" :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, ... + :param db_content: The database content of the descriptor + :return: None if ok or raises EngineException with the problem """ - # TODO add admin to filter, validate rights - BaseTopic.delete(self, session, _id, force, dry_run=True) - if dry_run: - return - - v = self.db.del_one("nsrs", {"_id": _id}) + self.fs.file_delete(_id, ignore_non_exist=True) self.db.del_list("nslcmops", {"nsInstanceId": _id}) 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}) - self._send_msg("deleted", {"_id": _id}) - return v + {"_admin.usageState": "NOT_IN_USE", "_admin.usage": None}) + + # Set NSD usageState + nsr = db_content + used_nsd_id = nsr.get("nsd-id") + if used_nsd_id: + # check if used by another NSR + nsrs_list = self.db.get_one("nsrs", {"nsd-id": used_nsd_id}, + fail_on_empty=False, fail_on_more=False) + if not nsrs_list: + self.db.set_one("nsds", {"_id": used_nsd_id}, {"_admin.usageState": "NOT_IN_USE"}) - def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False): + # Set VNFD usageState + used_vnfd_id_list = nsr.get("vnfd-id") + if used_vnfd_id_list: + for used_vnfd_id in used_vnfd_id_list: + # check if used by another NSR + nsrs_list = self.db.get_one("nsrs", {"vnfd-id": used_vnfd_id}, + fail_on_empty=False, fail_on_more=False) + if not nsrs_list: + self.db.set_one("vnfds", {"_id": used_vnfd_id}, {"_admin.usageState": "NOT_IN_USE"}) + + @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): """ Creates a new nsr into database. It also creates needed 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 session: contains "username", "admin", "force", "public", "project_id", "set_project" :param indata: params to be used for the nsr :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 nsr descriptor created at database """ @@ -87,16 +183,17 @@ class NsrTopic(BaseTopic): ns_request = self._remove_envelop(indata) # Override descriptor with query string kwargs self._update_input_with_kwargs(ns_request, kwargs) - self._validate_input_new(ns_request, force) + self._validate_input_new(ns_request, session["force"]) - step = "" # look for nsr step = "getting nsd id='{}' from database".format(ns_request.get("nsdId")) - _filter = {"_id": ns_request["nsdId"]} - _filter.update(BaseTopic._get_project_filter(session, write=False, show_all=True)) + _filter = self._get_project_filter(session) + _filter["_id"] = ns_request["nsdId"] nsd = self.db.get_one("nsds", _filter) + del _filter["_id"] nsr_id = str(uuid4()) + now = time() step = "filling nsr from input data" nsr_descriptor = { @@ -117,30 +214,42 @@ class NsrTopic(BaseTopic): "orchestration-progress": {}, # {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}}, - "crete-time": now, + "create-time": now, "nsd-name-ref": nsd["name"], "operational-events": [], # "id", "timestamp", "description", "event", "nsd-ref": nsd["id"], - "instantiate_params": ns_request, + "nsd-id": nsd["_id"], + "vnfd-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"]) if vnfd_id not in needed_vnfds: # Obtain vnfd - vnfd = DescriptorTopic.get_one_by_id(self.db, session, "vnfds", vnfd_id) + _filter["id"] = vnfd_id + vnfd = self.db.get_one("vnfds", _filter, fail_on_empty=True, fail_on_more=True) + del _filter["id"] vnfd.pop("_admin") needed_vnfds[vnfd_id] = vnfd + nsr_descriptor["vnfd-id"].append(vnfd["_id"]) else: vnfd = needed_vnfds[vnfd_id] step = "filling vnfr vnfd-id='{}' constituent-vnfd='{}'".format( @@ -151,6 +260,8 @@ 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 +271,16 @@ 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"], @@ -169,10 +290,8 @@ 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 +299,8 @@ 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 = { @@ -196,22 +317,62 @@ 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"]) # add at database - BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=make_public) + BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=session["public"]) self.db.create("vnfrs", vnfr_descriptor) rollback.append({"topic": "vnfrs", "_id": vnfr_id}) nsr_descriptor["constituent-vnfr-ref"].append(vnfr_id) step = "creating nsr at database" - self.format_on_new(nsr_descriptor, session["project_id"], make_public=make_public) + self.format_on_new(nsr_descriptor, session["project_id"], make_public=session["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) @@ -219,7 +380,7 @@ class NsrTopic(BaseTopic): except ValidationError as e: raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY) - def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None): + def edit(self, session, _id, indata=None, kwargs=None, content=None): raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR) @@ -230,13 +391,13 @@ class VnfrTopic(BaseTopic): def __init__(self, db, fs, msg): BaseTopic.__init__(self, db, fs, msg) - def delete(self, session, _id, force=False, dry_run=False): + def delete(self, session, _id, 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): + def edit(self, session, _id, indata=None, kwargs=None, content=None): raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR) - 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): # Not used because vnfrs are created and deleted by NsrTopic class directly raise EngineException("Method new called directly", HTTPStatus.INTERNAL_SERVER_ERROR) @@ -254,27 +415,17 @@ 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 - :param session: + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" :param operation: it can be: instantiate, terminate, action, TODO: update, heal :param indata: descriptor with the parameters of the operation :return: None """ vnfds = {} vim_accounts = [] + wim_accounts = [] nsd = nsr["nsd"] def check_valid_vnf_member_index(member_vnf_index): @@ -291,38 +442,31 @@ 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 +476,11 @@ 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='{}'" @@ -346,12 +491,26 @@ 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) + 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) + 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"): @@ -392,6 +551,7 @@ 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) @@ -399,6 +559,7 @@ 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 @@ -406,7 +567,168 @@ 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: contains "username", "admin", "force", "public", "project_id", "set_project" + :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) + 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"], + "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) + 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({ + "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 + + 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 +736,7 @@ 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, @@ -422,23 +744,21 @@ 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, 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 - :param session: contains the used login username and working project + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" :param indata: descriptor with the parameters of the operation. It must contains among others nsInstanceId: _id of the nsr 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: @@ -449,7 +769,7 @@ class NsLcmOpTopic(BaseTopic): validate_input(indata, self.operation_schema[operation]) # get ns from nsr_id - _filter = BaseTopic._get_project_filter(session, write=True, show_all=False) + _filter = BaseTopic._get_project_filter(session) _filter["_id"] = nsInstanceId nsr = self.db.get_one("nsrs", _filter) @@ -457,28 +777,540 @@ 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) else: - if operation == "instantiate" and not indata.get("force"): + if operation == "instantiate" and not session["force"]: 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) - self.format_on_new(nslcmop_desc, session["project_id"], make_public=make_public) + + 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=session["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) # except DbException as e: # raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND) - def delete(self, session, _id, force=False, dry_run=False): + def delete(self, session, _id, dry_run=False): + raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR) + + def edit(self, session, _id, indata=None, kwargs=None, 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) + 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): + """ + Check that the dependent descriptors exist on a new descriptor or edition + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + :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) + + def check_conflict_on_del(self, session, _id, db_content): + """ + Check that NSI is not instantiated + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + :param _id: nsi internal id + :param db_content: The database content of the _id + :return: None or raises EngineException with the conflict + """ + if session["force"]: + return + nsi = db_content + 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_extra(self, session, _id, db_content): + """ + Deletes associated nsilcmops from database. Deletes associated filesystem. + Set usageState of nst + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + :param _id: server internal id + :param db_content: The database content of the descriptor + :return: None if ok or raises EngineException with the problem + """ + + # Deleting the nsrs belonging to nsir + nsir = db_content + 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, dry_run=False) + except (DbException, EngineException) as e: + if e.http_code == HTTPStatus.NOT_FOUND: + pass + else: + raise + + # delete related nsilcmops database entries + self.db.del_list("nsilcmops", {"netsliceInstanceId": _id}) + + # Check and set used NST usage state + nsir_admin = nsir.get("_admin") + if nsir_admin and nsir_admin.get("nst-id"): + # check if used by another NSI + 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"}) + + # def delete(self, session, _id, dry_run=False): + # """ + # Delete item by its internal _id + # :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + # :param _id: server internal id + # :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, dry_run=True) + # 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, 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}) + # + # # 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) + # + # # 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): + """ + 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 "username", "admin", "force", "public", "project_id", "set_project" + :param indata: params to be used for the nsir + :param kwargs: used to override the indata descriptor + :param headers: http request headers + :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, session["force"]) + + step = "" + # look for nstd + step = "getting nstd id='{}' from database".format(slice_request.get("nstId")) + _filter = self._get_project_filter(session) + _filter["_id"] = slice_request["nstId"] + nstd = self.db.get_one("nsts", _filter) + del _filter["_id"] + + nstd.pop("_admin", None) + nstd_id = nstd.pop("_id", None) + nsi_id = str(uuid4()) + step = "filling nsi_descriptor with input data" + + # Creating the NSIR + nsi_descriptor = { + "id": nsi_id, + "name": slice_request["nsiName"], + "description": slice_request.get("nsiDescription", ""), + "datacenter": slice_request["vimAccountId"], + "nst-ref": nstd["id"], + "instantiation_parameters": slice_request, + "network-slice-template": nstd, + "nsr-ref-list": [], + "vlr-list": [], + "_id": nsi_id, + "additionalParamsForNsi": self._format_addional_params(slice_request) + } + + step = "creating nsi at database" + self.format_on_new(nsi_descriptor, session["project_id"], make_public=session["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( + member_ns["nsd-ref"], member_ns["id"]) + if nsd_id not in needed_nsds: + # Obtain nsd + _filter["id"] = nsd_id + nsd = self.db.get_one("nsds", _filter, fail_on_empty=True, fail_on_more=True) + del _filter["id"] + nsd.pop("_admin") + needed_nsds[nsd_id] = nsd + else: + nsd = needed_nsds[nsd_id] + member_ns["_id"] = needed_nsds[nsd_id].get("_id") + services.append(member_ns) + + step = "filling nsir nsd-id='{}' constituent-nsd='{}' from database".format( + member_ns["nsd-ref"], member_ns["id"]) + + # creates Network Services records (NSRs) + step = "creating nsrs at database using NsrTopic.new()" + ns_params = slice_request.get("netslice-subnet") + nsrs_list = [] + nsi_netslice_subnet = [] + for service in services: + # Check if the netslice-subnet is shared and if it is share if the nss exists + _id_nsr = None + indata_ns = {} + # Is the nss shared and instantiated? + _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True + _filter["_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) + 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}) + 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, 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) + self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg) + + def _check_nsi_operation(self, session, nsir, operation, indata): + """ + Check that user has enter right parameters for the operation + :param session: contains "username", "admin", "force", "public", "project_id", "set_project" + :param operation: it can be: instantiate, terminate, action, TODO: update, heal + :param indata: descriptor with the parameters of the operation + :return: None + """ + nsds = {} + nstd = nsir["network-slice-template"] + + def check_valid_netslice_subnet_id(nstId): + # TODO change to vnfR (??) + for netslice_subnet in nstd["netslice-subnet"]: + if nstId == netslice_subnet["id"]: + nsd_id = netslice_subnet["nsd-ref"] + if nsd_id not in nsds: + nsds[nsd_id] = self.db.get_one("nsds", {"id": nsd_id}) + return nsds[nsd_id] + else: + raise EngineException("Invalid parameter nstId='{}' is not one of the " + "nst:netslice-subnet".format(nstId)) + if operation == "instantiate": + # check the existance of netslice-subnet items + for in_nst in get_iterable(indata.get("netslice-subnet")): + check_valid_netslice_subnet_id(in_nst["id"]) + + def _create_nsilcmop(self, session, netsliceInstanceId, operation, params): + now = time() + _id = str(uuid4()) + nsilcmop = { + "id": _id, + "_id": _id, + "operationState": "PROCESSING", # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK + "statusEnteredTime": now, + "netsliceInstanceId": netsliceInstanceId, + "lcmOperationType": operation, + "startTime": now, + "isAutomaticInvocation": False, + "operationParams": params, + "isCancelPending": False, + "links": { + "self": "/osm/nsilcm/v1/nsi_lcm_op_occs/" + _id, + "nsInstance": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId, + } + } + return nsilcmop + + def 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): + """ + 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 "username", "admin", "force", "public", "project_id", "set_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 + :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 = self._get_project_filter(session) + _filter["_id"] = nsiInstanceId + nsir = self.db.get_one("nsis", _filter) + del _filter["_id"] + + # 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 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) + else: + if operation == "instantiate" and not session["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 = [] + # 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 + _filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_item["nsrId"] + _filter["_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne"] = None + _filter["_id.ne"] = nsiInstanceId + nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False) + if operation == "terminate": + _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): None} + self.db.set_one("nsis", {"_id": nsir["_id"]}, _update) + + # 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, + 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=session["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) + + def delete(self, session, _id, 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): + def edit(self, session, _id, indata=None, kwargs=None, content=None): raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)