X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Finstance_topics.py;h=8024996b14befa387db5fd451b4f27b95bc80e45;hp=55845d67fab9d24dc51f69e37d6cdccae0669d38;hb=refs%2Fchanges%2F55%2F8055%2F1;hpb=36ffe5594a6f5ce262147c066bfadd438952acc1 diff --git a/osm_nbi/instance_topics.py b/osm_nbi/instance_topics.py index 55845d6..8024996 100644 --- a/osm_nbi/instance_topics.py +++ b/osm_nbi/instance_topics.py @@ -18,9 +18,9 @@ from uuid import uuid4 from http import HTTPStatus from time import time 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 osm_nbi.validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale, nsi_instantiate +from osm_nbi.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 @@ -31,9 +31,10 @@ __author__ = "Alfonso Tierno " class NsrTopic(BaseTopic): topic = "nsrs" topic_msg = "ns" + schema_new = ns_instantiate - def __init__(self, db, fs, msg): - BaseTopic.__init__(self, db, fs, msg) + def __init__(self, db, fs, msg, auth): + BaseTopic.__init__(self, db, fs, msg, auth) def _check_descriptor_dependencies(self, session, descriptor): """ @@ -53,39 +54,60 @@ class NsrTopic(BaseTopic): def format_on_new(content, project_id=None, make_public=False): BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public) content["_admin"]["nsState"] = "NOT_INSTANTIATED" + return None - 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 - 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}) + # set all used pdus as free self.db.set_list("pdus", {"_admin.usage.nsr_id": _id}, {"_admin.usageState": "NOT_IN_USE", "_admin.usage": None}) - self._send_msg("deleted", {"_id": _id}) - return v + + # 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"}) + + # 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): @@ -148,31 +170,33 @@ class NsrTopic(BaseTopic): return additional_params - 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): """ 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 """ try: + step = "checking quotas" + self.check_quota(session) + + step = "validating input parameters" 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()) @@ -196,18 +220,19 @@ 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"], "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"), # TODO remove + "ssh-authorized-key": ns_request.get("ssh_keys"), # TODO remove } ns_request["nsr_id"] = nsr_id # Create vld @@ -225,9 +250,12 @@ class NsrTopic(BaseTopic): 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( @@ -338,27 +366,27 @@ class NsrTopic(BaseTopic): 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) + self.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 + return nsr_id, None + except ValidationError as e: # TODO remove try Except, it is captured at nbi.py + raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY) except Exception as e: self.logger.exception("Exception {} at NsrTopic.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): + def edit(self, session, _id, indata=None, kwargs=None, content=None): raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR) @@ -366,16 +394,16 @@ class VnfrTopic(BaseTopic): topic = "vnfrs" topic_msg = None - def __init__(self, db, fs, msg): - BaseTopic.__init__(self, db, fs, msg) + def __init__(self, db, fs, msg, auth): + BaseTopic.__init__(self, db, fs, msg, auth) - 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) @@ -390,33 +418,45 @@ class NsLcmOpTopic(BaseTopic): "terminate": None, } - def __init__(self, db, fs, msg): - BaseTopic.__init__(self, db, fs, msg) + def __init__(self, db, fs, msg, auth): + BaseTopic.__init__(self, db, fs, msg, auth) 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 = {} + vnf_member_index_to_vnfd = {} # map between vnf_member_index to vnf descriptor. vim_accounts = [] wim_accounts = [] nsd = nsr["nsd"] def check_valid_vnf_member_index(member_vnf_index): - # TODO change to vnfR - for vnf in nsd["constituent-vnfd"]: - if member_vnf_index == vnf["member-vnf-index"]: - vnfd_id = vnf["vnfd-id-ref"] - if vnfd_id not in vnfds: - vnfds[vnfd_id] = self.db.get_one("vnfds", {"id": vnfd_id}) - return vnfds[vnfd_id] - else: + # Obtain vnf descriptor. The vnfr is used to get the vnfd._id used for this member_vnf_index + if vnf_member_index_to_vnfd.get(member_vnf_index): + return vnf_member_index_to_vnfd[member_vnf_index] + vnfr = self.db.get_one("vnfrs", + {"nsr-id-ref": nsr["_id"], "member-vnf-index-ref": member_vnf_index}, + fail_on_empty=False) + if not vnfr: raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the " "nsd:constituent-vnfd".format(member_vnf_index)) + vnfd = self.db.get_one("vnfds", {"_id": vnfr["vnfd-id"]}, fail_on_empty=False) + if not vnfd: + raise EngineException("vnfd id={} has been deleted!. Operation cannot be performed". + format(vnfr["vnfd-id"])) + vnf_member_index_to_vnfd[member_vnf_index] = vnfd # add to cache, avoiding a later look for + return vnfd + + def check_valid_vdu(vnfd, vdu_id): + for vdud in get_iterable(vnfd.get("vdu")): + if vdud["id"] == vdu_id: + return vdud + else: + raise EngineException("Invalid parameter vdu_id='{}' not present at vnfd:vdu:id".format(vdu_id)) def _check_vnf_instantiation_params(in_vnfd, vnfd): @@ -469,7 +509,7 @@ class NsLcmOpTopic(BaseTopic): if vim_account in vim_accounts: return try: - db_filter = self._get_project_filter(session, write=False, show_all=True) + db_filter = self._get_project_filter(session) db_filter["_id"] = vim_account self.db.get_one("vim_accounts", db_filter) except Exception: @@ -493,11 +533,17 @@ class NsLcmOpTopic(BaseTopic): # check vnf_member_index if indata.get("vnf_member_index"): indata["member_vnf_index"] = indata.pop("vnf_member_index") # for backward compatibility - if not indata.get("member_vnf_index"): - raise EngineException("Missing 'member_vnf_index' parameter") - vnfd = check_valid_vnf_member_index(indata["member_vnf_index"]) + if indata.get("member_vnf_index"): + vnfd = check_valid_vnf_member_index(indata["member_vnf_index"]) + if indata.get("vdu_id"): + vdud = check_valid_vdu(vnfd, indata["vdu_id"]) + descriptor_configuration = vdud.get("vdu-configuration", {}).get("config-primitive") + else: + descriptor_configuration = vnfd.get("vnf-configuration", {}).get("config-primitive") + else: # use a NSD + descriptor_configuration = nsd.get("ns-configuration", {}).get("config-primitive") # check primitive - for config_primitive in get_iterable(vnfd.get("vnf-configuration", {}).get("config-primitive")): + for config_primitive in get_iterable(descriptor_configuration): if indata["primitive"] == config_primitive["name"]: # check needed primitive_params are provided if indata.get("primitive_params"): @@ -512,11 +558,11 @@ class NsLcmOpTopic(BaseTopic): paramd["name"], indata["primitive"])) # check no extra primitive params are provided if in_primitive_params_copy: - raise EngineException("parameter/s '{}' not present at vnfd for primitive '{}'".format( + raise EngineException("parameter/s '{}' not present at vnfd /nsd for primitive '{}'".format( list(in_primitive_params_copy.keys()), indata["primitive"])) break else: - raise EngineException("Invalid primitive '{}' is not present at vnfd".format(indata["primitive"])) + raise EngineException("Invalid primitive '{}' is not present at vnfd/nsd".format(indata["primitive"])) if operation == "scale": vnfd = check_valid_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]) for scaling_group in get_iterable(vnfd.get("scaling-group-descriptor")): @@ -551,7 +597,7 @@ class NsLcmOpTopic(BaseTopic): (ip_address, ...) information. Modifies PDU _admin.usageState to 'IN_USE' - :param session: client session information + :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 @@ -572,7 +618,7 @@ class NsLcmOpTopic(BaseTopic): 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 = self._get_project_filter(session) pdu_filter["vim_accounts"] = vim_account pdu_filter["type"] = pdu_type pdu_filter["_admin.operationalState"] = "ENABLED" @@ -727,21 +773,27 @@ class NsLcmOpTopic(BaseTopic): } return nslcmop - def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False, - slice_object=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 """ + def check_if_nsr_is_not_slice_member(session, nsr_id): + nsis = None + db_filter = self._get_project_filter(session) + db_filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_id + nsis = self.db.get_one("nsis", db_filter, fail_on_empty=False, fail_on_more=False) + if nsis: + raise EngineException("The NS instance {} cannot be terminate because is used by the slice {}".format( + nsr_id, nsis["_id"]), http_code=HTTPStatus.CONFLICT) + try: # Override descriptor with query string kwargs self._update_input_with_kwargs(indata, kwargs) @@ -750,20 +802,22 @@ 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) # initial checking + if operation == "terminate" and slice_object is False: + check_if_nsr_is_not_slice_member(session, nsr["_id"]) if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED": if operation == "terminate" and indata.get("autoremove"): # NSR must be deleted - return None # a none in this case is used to indicate not instantiated. It can be removed + return None, 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) @@ -772,21 +826,21 @@ class NsLcmOpTopic(BaseTopic): 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) + 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}) if not slice_object: self.msg.write("ns", operation, nslcmop_desc) - return _id - except ValidationError as e: + return _id, None + except ValidationError as e: # TODO remove try Except, it is captured at nbi.py 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, 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) @@ -794,9 +848,9 @@ 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) + def __init__(self, db, fs, msg, auth): + BaseTopic.__init__(self, db, fs, msg, auth) + self.nsrTopic = NsrTopic(db, fs, msg, auth) @staticmethod def _format_ns_request(ns_request): @@ -827,7 +881,7 @@ class NsiTopic(BaseTopic): 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 session: contains "username", "admin", "force", "public", "project_id", "set_project" :param descriptor: descriptor to be inserted or edit :return: None or raises exception """ @@ -838,35 +892,34 @@ class NsiTopic(BaseTopic): 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: + 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 = self.db.get_one("nsis", {"_id": _id}) + 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(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 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 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 # Deleting the nsrs belonging to nsir - nsir = self.db.get_one("nsis", {"_id": _id}) + 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"): @@ -877,54 +930,101 @@ class NsiTopic(BaseTopic): if nsi: # last one using nsr continue try: - self.nsrTopic.delete(session, nsr_id, force=force, dry_run=False) + 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) + # delete related nsilcmops database entries + self.db.del_list("nsilcmops", {"netsliceInstanceId": _id}) - # Search if nst is being used by other nsi + # Check and set used NST usage state 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): + 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 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 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: + step = "checking quotas" + self.check_quota(session) + + step = "" 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) + self._validate_input_new(slice_request, session["force"]) - step = "" # look for nstd 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)) + _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()) @@ -946,7 +1046,7 @@ class NsiTopic(BaseTopic): } step = "creating nsi at database" - self.format_on_new(nsi_descriptor, session["project_id"], make_public=make_public) + 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"] = {} @@ -979,7 +1079,9 @@ class NsiTopic(BaseTopic): 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) + _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: @@ -1000,16 +1102,17 @@ class NsiTopic(BaseTopic): _id_nsr = None indata_ns = {} # Is the nss shared and instantiated? - _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True, - "_admin.nsrs-detailed-list.ANYINDEX.nsd-id": service["nsd-ref"]} + _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True + _filter["_admin.nsrs-detailed-list.ANYINDEX.nsd-id"] = service["nsd-ref"] + _filter["_admin.nsrs-detailed-list.ANYINDEX.nss-id"] = service["id"] 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 + if nsrs_detailed_item["nss-id"] == service["id"]: + _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 @@ -1024,7 +1127,8 @@ class NsiTopic(BaseTopic): 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 slice_request.get("ssh_keys"): + indata_ns["ssh_keys"] = slice_request.get("ssh_keys") if ns_params: for ns_param in ns_params: @@ -1035,9 +1139,9 @@ class NsiTopic(BaseTopic): break # Creates Nsr objects - _id_nsr = self.nsrTopic.new(rollback, session, indata_ns, kwargs, headers, force) + _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} + "nss-id": service["id"], "nslcmop_instantiate": None} indata_ns["nss-id"] = service["id"] nsrs_list.append(nsrs_item) nsi_netslice_subnet.append(indata_ns) @@ -1052,14 +1156,14 @@ class NsiTopic(BaseTopic): # 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: + return nsi_id, None + except Exception as e: # TODO remove try Except, it is captured at nbi.py 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): + def edit(self, session, _id, indata=None, kwargs=None, content=None): raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR) @@ -1071,14 +1175,14 @@ class NsiLcmOpTopic(BaseTopic): "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 __init__(self, db, fs, msg, auth): + BaseTopic.__init__(self, db, fs, msg, auth) + self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg, self.auth) def _check_nsi_operation(self, session, nsir, 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 @@ -1118,7 +1222,7 @@ class NsiLcmOpTopic(BaseTopic): "isCancelPending": False, "links": { "self": "/osm/nsilcm/v1/nsi_lcm_op_occs/" + _id, - "nsInstance": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId, + "netsliceInstanceId": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId, } } return nsilcmop @@ -1137,44 +1241,43 @@ class NsiLcmOpTopic(BaseTopic): # 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): + 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 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 - nsiInstanceId: _id of the nsir to perform the operation + netsliceInstanceId: _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"] + netsliceInstanceId = indata["netsliceInstanceId"] 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 + # get nsi from netsliceInstanceId + _filter = self._get_project_filter(session) + _filter["_id"] = netsliceInstanceId 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 + return None, 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) + netsliceInstanceId, operation), HTTPStatus.CONFLICT) else: - if operation == "instantiate" and not indata.get("force"): + if operation == "instantiate" and not session["force"]: raise EngineException("netslice_instance '{}' cannot be '{}' because it is already instantiated". - format(nsiInstanceId, operation), HTTPStatus.CONFLICT) + format(netsliceInstanceId, operation), HTTPStatus.CONFLICT) # Creating all the NS_operation (nslcmop) # Get service list from db @@ -1184,12 +1287,15 @@ class NsiLcmOpTopic(BaseTopic): 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} - + _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"] = netsliceInstanceId 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"] @@ -1212,12 +1318,11 @@ class NsiLcmOpTopic(BaseTopic): 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 + indata_ns["netsliceInstanceId"] = netsliceInstanceId + # 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) + nslcmop, _ = self.nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers, + slice_object=True) nslcmops.append(nslcmop) if operation == "terminate": nslcmop = None @@ -1234,17 +1339,17 @@ class NsiLcmOpTopic(BaseTopic): 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) + nsilcmop_desc = self._create_nsilcmop(session, netsliceInstanceId, 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 + return _id, None except ValidationError as e: raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY) - 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)