| # -*- coding: utf-8 -*- |
| |
| import tarfile |
| import yaml |
| import json |
| # import logging |
| from hashlib import md5 |
| from osm_common.dbbase import DbException, deep_update_rfc7396 |
| from http import HTTPStatus |
| from validation import ValidationError, pdu_new_schema, pdu_edit_schema |
| from base_topic import BaseTopic, EngineException, get_iterable |
| from osm_im.vnfd import vnfd as vnfd_im |
| from osm_im.nsd import nsd as nsd_im |
| from pyangbind.lib.serialise import pybindJSONDecoder |
| import pyangbind.lib.pybindJSON as pybindJSON |
| |
| __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>" |
| |
| |
| class DescriptorTopic(BaseTopic): |
| |
| def __init__(self, db, fs, msg): |
| BaseTopic.__init__(self, db, fs, msg) |
| |
| def check_conflict_on_edit(self, session, final_content, edit_content, _id, force=False): |
| # check that this id is not present |
| _filter = {"id": final_content["id"]} |
| if _id: |
| _filter["_id.neq"] = _id |
| |
| _filter.update(self._get_project_filter(session, write=False, show_all=False)) |
| if self.db.get_one(self.topic, _filter, fail_on_empty=False): |
| raise EngineException("{} with id '{}' already exists for this project".format(self.topic[:-1], |
| final_content["id"]), |
| HTTPStatus.CONFLICT) |
| # TODO validate with pyangbind. Load and dumps to convert data types |
| |
| @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) |
| content["_admin"]["onboardingState"] = "CREATED" |
| content["_admin"]["operationalState"] = "DISABLED" |
| content["_admin"]["usageSate"] = "NOT_IN_USE" |
| |
| 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 |
| v = BaseTopic.delete(self, session, _id, force, dry_run=True) |
| if dry_run: |
| return |
| v = self.db.del_one(self.topic, {"_id": _id}) |
| self.fs.file_delete(_id, ignore_non_exist=True) |
| self._send_msg("delete", {"_id": _id}) |
| return v |
| |
| @staticmethod |
| def get_one_by_id(db, session, topic, id): |
| # find owned by this project |
| _filter = BaseTopic._get_project_filter(session, write=False, show_all=False) |
| _filter["id"] = id |
| desc_list = db.get_list(topic, _filter) |
| if len(desc_list) == 1: |
| return desc_list[0] |
| elif len(desc_list) > 1: |
| raise DbException("Found more than one {} with id='{}' belonging to this project".format(topic[:-1], id), |
| HTTPStatus.CONFLICT) |
| |
| # not found any: try to find public |
| _filter = BaseTopic._get_project_filter(session, write=False, show_all=True) |
| _filter["id"] = id |
| desc_list = db.get_list(topic, _filter) |
| if not desc_list: |
| raise DbException("Not found any {} with id='{}'".format(topic[:-1], id), HTTPStatus.NOT_FOUND) |
| elif len(desc_list) == 1: |
| return desc_list[0] |
| else: |
| raise DbException("Found more than one public {} with id='{}'; and no one belonging to this project".format( |
| topic[:-1], id), HTTPStatus.CONFLICT) |
| |
| def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False): |
| """ |
| Creates a new almost empty DISABLED entry into database. Due to SOL005, it does not follow normal procedure. |
| Creating a VNFD or NSD is done in two steps: 1. Creates an empty descriptor (this step) and 2) upload content |
| (self.upload_content) |
| :param rollback: list to append created items at database in case a rollback may to be done |
| :param session: contains the used login username and working project |
| :param indata: data to be inserted |
| :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 descriptor public to all projects |
| :return: _id: identity of the inserted data. |
| """ |
| |
| try: |
| # _remove_envelop |
| if indata: |
| if "userDefinedData" in indata: |
| indata = indata['userDefinedData'] |
| |
| # Override descriptor with query string kwargs |
| self._update_input_with_kwargs(indata, kwargs) |
| # uncomment when this method is implemented. |
| # Avoid override in this case as the target is userDefinedData, but not vnfd,nsd descriptors |
| # indata = DescriptorTopic._validate_input_new(self, indata, force=force) |
| |
| content = {"_admin": {"userDefinedData": indata}} |
| self.format_on_new(content, session["project_id"], make_public=make_public) |
| _id = self.db.create(self.topic, content) |
| rollback.append({"topic": self.topic, "_id": _id}) |
| return _id |
| except ValidationError as e: |
| raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY) |
| |
| def upload_content(self, session, _id, indata, kwargs, headers, force=False): |
| """ |
| Used for receiving content by chunks (with a transaction_id header and/or gzip file. It will store and extract) |
| :param session: session |
| :param _id : the nsd,vnfd is already created, this is the id |
| :param indata: http body request |
| :param kwargs: user query string to override parameters. NOT USED |
| :param headers: http request headers |
| :param force: to be more tolerant with validation |
| :return: True package has is completely uploaded or False if partial content has been uplodaed. |
| Raise exception on error |
| """ |
| # Check that _id exists and it is valid |
| current_desc = self.show(session, _id) |
| |
| content_range_text = headers.get("Content-Range") |
| expected_md5 = headers.get("Content-File-MD5") |
| compressed = None |
| content_type = headers.get("Content-Type") |
| if content_type and "application/gzip" in content_type or "application/x-gzip" in content_type or \ |
| "application/zip" in content_type: |
| compressed = "gzip" |
| filename = headers.get("Content-Filename") |
| if not filename: |
| filename = "package.tar.gz" if compressed else "package" |
| # TODO change to Content-Disposition filename https://tools.ietf.org/html/rfc6266 |
| file_pkg = None |
| error_text = "" |
| try: |
| if content_range_text: |
| content_range = content_range_text.replace("-", " ").replace("/", " ").split() |
| if content_range[0] != "bytes": # TODO check x<y not negative < total.... |
| raise IndexError() |
| start = int(content_range[1]) |
| end = int(content_range[2]) + 1 |
| total = int(content_range[3]) |
| else: |
| start = 0 |
| |
| if start: |
| if not self.fs.file_exists(_id, 'dir'): |
| raise EngineException("invalid Transaction-Id header", HTTPStatus.NOT_FOUND) |
| else: |
| self.fs.file_delete(_id, ignore_non_exist=True) |
| self.fs.mkdir(_id) |
| |
| storage = self.fs.get_params() |
| storage["folder"] = _id |
| |
| file_path = (_id, filename) |
| if self.fs.file_exists(file_path, 'file'): |
| file_size = self.fs.file_size(file_path) |
| else: |
| file_size = 0 |
| if file_size != start: |
| raise EngineException("invalid Content-Range start sequence, expected '{}' but received '{}'".format( |
| file_size, start), HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE) |
| file_pkg = self.fs.file_open(file_path, 'a+b') |
| if isinstance(indata, dict): |
| indata_text = yaml.safe_dump(indata, indent=4, default_flow_style=False) |
| file_pkg.write(indata_text.encode(encoding="utf-8")) |
| else: |
| indata_len = 0 |
| while True: |
| indata_text = indata.read(4096) |
| indata_len += len(indata_text) |
| if not indata_text: |
| break |
| file_pkg.write(indata_text) |
| if content_range_text: |
| if indata_len != end-start: |
| raise EngineException("Mismatch between Content-Range header {}-{} and body length of {}".format( |
| start, end-1, indata_len), HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE) |
| if end != total: |
| # TODO update to UPLOADING |
| return False |
| |
| # PACKAGE UPLOADED |
| if expected_md5: |
| file_pkg.seek(0, 0) |
| file_md5 = md5() |
| chunk_data = file_pkg.read(1024) |
| while chunk_data: |
| file_md5.update(chunk_data) |
| chunk_data = file_pkg.read(1024) |
| if expected_md5 != file_md5.hexdigest(): |
| raise EngineException("Error, MD5 mismatch", HTTPStatus.CONFLICT) |
| file_pkg.seek(0, 0) |
| if compressed == "gzip": |
| tar = tarfile.open(mode='r', fileobj=file_pkg) |
| descriptor_file_name = None |
| for tarinfo in tar: |
| tarname = tarinfo.name |
| tarname_path = tarname.split("/") |
| if not tarname_path[0] or ".." in tarname_path: # if start with "/" means absolute path |
| raise EngineException("Absolute path or '..' are not allowed for package descriptor tar.gz") |
| if len(tarname_path) == 1 and not tarinfo.isdir(): |
| raise EngineException("All files must be inside a dir for package descriptor tar.gz") |
| if tarname.endswith(".yaml") or tarname.endswith(".json") or tarname.endswith(".yml"): |
| storage["pkg-dir"] = tarname_path[0] |
| if len(tarname_path) == 2: |
| if descriptor_file_name: |
| raise EngineException( |
| "Found more than one descriptor file at package descriptor tar.gz") |
| descriptor_file_name = tarname |
| if not descriptor_file_name: |
| raise EngineException("Not found any descriptor file at package descriptor tar.gz") |
| storage["descriptor"] = descriptor_file_name |
| storage["zipfile"] = filename |
| self.fs.file_extract(tar, _id) |
| with self.fs.file_open((_id, descriptor_file_name), "r") as descriptor_file: |
| content = descriptor_file.read() |
| else: |
| content = file_pkg.read() |
| storage["descriptor"] = descriptor_file_name = filename |
| |
| if descriptor_file_name.endswith(".json"): |
| error_text = "Invalid json format " |
| indata = json.load(content) |
| else: |
| error_text = "Invalid yaml format " |
| indata = yaml.load(content) |
| |
| current_desc["_admin"]["storage"] = storage |
| current_desc["_admin"]["onboardingState"] = "ONBOARDED" |
| current_desc["_admin"]["operationalState"] = "ENABLED" |
| |
| indata = self._remove_envelop(indata) |
| |
| # Override descriptor with query string kwargs |
| if kwargs: |
| self._update_input_with_kwargs(indata, kwargs) |
| # it will call overrides method at VnfdTopic or NsdTopic |
| indata = self._validate_input_new(indata, force=force) |
| |
| deep_update_rfc7396(current_desc, indata) |
| self.check_conflict_on_edit(session, current_desc, indata, _id=_id, force=force) |
| self.db.replace(self.topic, _id, current_desc) |
| |
| indata["_id"] = _id |
| self._send_msg("created", indata) |
| |
| # TODO if descriptor has changed because kwargs update content and remove cached zip |
| # TODO if zip is not present creates one |
| return True |
| |
| except EngineException: |
| raise |
| except IndexError: |
| raise EngineException("invalid Content-Range header format. Expected 'bytes start-end/total'", |
| HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE) |
| except IOError as e: |
| raise EngineException("invalid upload transaction sequence: '{}'".format(e), HTTPStatus.BAD_REQUEST) |
| except tarfile.ReadError as e: |
| raise EngineException("invalid file content {}".format(e), HTTPStatus.BAD_REQUEST) |
| except (ValueError, yaml.YAMLError) as e: |
| raise EngineException(error_text + str(e)) |
| except ValidationError as e: |
| raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY) |
| finally: |
| if file_pkg: |
| file_pkg.close() |
| |
| def get_file(self, session, _id, path=None, accept_header=None): |
| """ |
| Return the file content of a vnfd or nsd |
| :param session: contains the used login username and working project |
| :param _id: Identity of the vnfd, nsd |
| :param path: artifact path or "$DESCRIPTOR" or None |
| :param accept_header: Content of Accept header. Must contain applition/zip or/and text/plain |
| :return: opened file plus Accept format or raises an exception |
| """ |
| accept_text = accept_zip = False |
| if accept_header: |
| if 'text/plain' in accept_header or '*/*' in accept_header: |
| accept_text = True |
| if 'application/zip' in accept_header or '*/*' in accept_header: |
| accept_zip = 'application/zip' |
| elif 'application/gzip' in accept_header: |
| accept_zip = 'application/gzip' |
| |
| if not accept_text and not accept_zip: |
| raise EngineException("provide request header 'Accept' with 'application/zip' or 'text/plain'", |
| http_code=HTTPStatus.NOT_ACCEPTABLE) |
| |
| content = self.show(session, _id) |
| if content["_admin"]["onboardingState"] != "ONBOARDED": |
| raise EngineException("Cannot get content because this resource is not at 'ONBOARDED' state. " |
| "onboardingState is {}".format(content["_admin"]["onboardingState"]), |
| http_code=HTTPStatus.CONFLICT) |
| storage = content["_admin"]["storage"] |
| if path is not None and path != "$DESCRIPTOR": # artifacts |
| if not storage.get('pkg-dir'): |
| raise EngineException("Packages does not contains artifacts", http_code=HTTPStatus.BAD_REQUEST) |
| if self.fs.file_exists((storage['folder'], storage['pkg-dir'], *path), 'dir'): |
| folder_content = self.fs.dir_ls((storage['folder'], storage['pkg-dir'], *path)) |
| return folder_content, "text/plain" |
| # TODO manage folders in http |
| else: |
| return self.fs.file_open((storage['folder'], storage['pkg-dir'], *path), "rb"),\ |
| "application/octet-stream" |
| |
| # pkgtype accept ZIP TEXT -> result |
| # manyfiles yes X -> zip |
| # no yes -> error |
| # onefile yes no -> zip |
| # X yes -> text |
| |
| if accept_text and (not storage.get('pkg-dir') or path == "$DESCRIPTOR"): |
| return self.fs.file_open((storage['folder'], storage['descriptor']), "r"), "text/plain" |
| elif storage.get('pkg-dir') and not accept_zip: |
| raise EngineException("Packages that contains several files need to be retrieved with 'application/zip'" |
| "Accept header", http_code=HTTPStatus.NOT_ACCEPTABLE) |
| else: |
| if not storage.get('zipfile'): |
| # TODO generate zipfile if not present |
| raise EngineException("Only allowed 'text/plain' Accept header for this descriptor. To be solved in " |
| "future versions", http_code=HTTPStatus.NOT_ACCEPTABLE) |
| return self.fs.file_open((storage['folder'], storage['zipfile']), "rb"), accept_zip |
| |
| def pyangbind_validation(self, item, data, force=False): |
| try: |
| if item == "vnfds": |
| myvnfd = vnfd_im() |
| pybindJSONDecoder.load_ietf_json({'vnfd:vnfd-catalog': {'vnfd': [data]}}, None, None, obj=myvnfd, |
| path_helper=True, skip_unknown=force) |
| out = pybindJSON.dumps(myvnfd, mode="ietf") |
| elif item == "nsds": |
| mynsd = nsd_im() |
| pybindJSONDecoder.load_ietf_json({'nsd:nsd-catalog': {'nsd': [data]}}, None, None, obj=mynsd, |
| path_helper=True, skip_unknown=force) |
| out = pybindJSON.dumps(mynsd, mode="ietf") |
| else: |
| raise EngineException("Not possible to validate '{}' item".format(item), |
| http_code=HTTPStatus.INTERNAL_SERVER_ERROR) |
| |
| desc_out = self._remove_envelop(yaml.safe_load(out)) |
| return desc_out |
| |
| except Exception as e: |
| raise EngineException("Error in pyangbind validation: {}".format(str(e)), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| |
| |
| class VnfdTopic(DescriptorTopic): |
| topic = "vnfds" |
| topic_msg = "vnfd" |
| |
| def __init__(self, db, fs, msg): |
| DescriptorTopic.__init__(self, db, fs, msg) |
| |
| @staticmethod |
| def _remove_envelop(indata=None): |
| if not indata: |
| return {} |
| clean_indata = indata |
| if clean_indata.get('vnfd:vnfd-catalog'): |
| clean_indata = clean_indata['vnfd:vnfd-catalog'] |
| elif clean_indata.get('vnfd-catalog'): |
| clean_indata = clean_indata['vnfd-catalog'] |
| if clean_indata.get('vnfd'): |
| if not isinstance(clean_indata['vnfd'], list) or len(clean_indata['vnfd']) != 1: |
| raise EngineException("'vnfd' must be a list of only one element") |
| clean_indata = clean_indata['vnfd'][0] |
| elif clean_indata.get('vnfd:vnfd'): |
| if not isinstance(clean_indata['vnfd:vnfd'], list) or len(clean_indata['vnfd:vnfd']) != 1: |
| raise EngineException("'vnfd:vnfd' must be a list of only one element") |
| clean_indata = clean_indata['vnfd:vnfd'][0] |
| return clean_indata |
| |
| def check_conflict_on_del(self, session, _id, force=False): |
| """ |
| Check that there is not any NSD that uses this VNFD. Only NSDs belonging to this project are considered. Note |
| that VNFD can be public and be used by NSD of other projects. Also check there are not deployments, or vnfr |
| that uses this vnfd |
| :param session: |
| :param _id: vnfd inernal id |
| :param force: Avoid this checking |
| :return: None or raises EngineException with the conflict |
| """ |
| if force: |
| return |
| descriptor = self.db.get_one("vnfds", {"_id": _id}) |
| descriptor_id = descriptor.get("id") |
| if not descriptor_id: # empty vnfd not uploaded |
| return |
| |
| _filter = self._get_project_filter(session, write=False, show_all=False) |
| # check vnfrs using this vnfd |
| _filter["vnfd-id"] = _id |
| if self.db.get_list("vnfrs", _filter): |
| raise EngineException("There is some VNFR that depends on this VNFD", http_code=HTTPStatus.CONFLICT) |
| del _filter["vnfd-id"] |
| # check NSD using this VNFD |
| _filter["constituent-vnfd.ANYINDEX.vnfd-id-ref"] = descriptor_id |
| if self.db.get_list("nsds", _filter): |
| raise EngineException("There is soame NSD that depends on this VNFD", http_code=HTTPStatus.CONFLICT) |
| |
| def _validate_input_new(self, indata, force=False): |
| # TODO validate with pyangbind, serialize |
| indata = self.pyangbind_validation("vnfds", indata, force) |
| # Cross references validation in the descriptor |
| if not indata.get("mgmt-interface"): |
| raise EngineException("'mgmt-interface' is a mandatory field and it is not defined", |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| if indata["mgmt-interface"].get("cp"): |
| for cp in get_iterable(indata.get("connection-point")): |
| if cp["name"] == indata["mgmt-interface"]["cp"]: |
| break |
| else: |
| raise EngineException("mgmt-interface:cp='{}' must match an existing connection-point" |
| .format(indata["mgmt-interface"]["cp"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| |
| for vdu in get_iterable(indata.get("vdu")): |
| for interface in get_iterable(vdu.get("interface")): |
| if interface.get("external-connection-point-ref"): |
| for cp in get_iterable(indata.get("connection-point")): |
| if cp["name"] == interface["external-connection-point-ref"]: |
| break |
| else: |
| raise EngineException("vdu[id='{}']:interface[name='{}']:external-connection-point-ref='{}' " |
| "must match an existing connection-point" |
| .format(vdu["id"], interface["name"], |
| interface["external-connection-point-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| |
| elif interface.get("internal-connection-point-ref"): |
| for internal_cp in get_iterable(vdu.get("internal-connection-point")): |
| if interface["internal-connection-point-ref"] == internal_cp.get("id"): |
| break |
| else: |
| raise EngineException("vdu[id='{}']:interface[name='{}']:internal-connection-point-ref='{}' " |
| "must match an existing vdu:internal-connection-point" |
| .format(vdu["id"], interface["name"], |
| interface["internal-connection-point-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| for ivld in get_iterable(indata.get("internal-vld")): |
| for icp in get_iterable(ivld.get("internal-connection-point")): |
| icp_mark = False |
| for vdu in get_iterable(indata.get("vdu")): |
| for internal_cp in get_iterable(vdu.get("internal-connection-point")): |
| if icp["id-ref"] == internal_cp["id"]: |
| icp_mark = True |
| break |
| if icp_mark: |
| break |
| else: |
| raise EngineException("internal-vld[id='{}']:internal-connection-point='{}' must match an existing " |
| "vdu:internal-connection-point".format(ivld["id"], icp["id-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| if ivld.get("ip-profile-ref"): |
| for ip_prof in get_iterable(indata.get("ip-profiles")): |
| if ip_prof["name"] == get_iterable(ivld.get("ip-profile-ref")): |
| break |
| else: |
| raise EngineException("internal-vld[id='{}']:ip-profile-ref='{}' does not exist".format( |
| ivld["id"], ivld["ip-profile-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| for mp in get_iterable(indata.get("monitoring-param")): |
| if mp.get("vdu-monitoring-param"): |
| mp_vmp_mark = False |
| for vdu in get_iterable(indata.get("vdu")): |
| for vmp in get_iterable(vdu.get("monitoring-param")): |
| if vmp["id"] == mp["vdu-monitoring-param"].get("vdu-monitoring-param-ref") and vdu["id"] ==\ |
| mp["vdu-monitoring-param"]["vdu-ref"]: |
| mp_vmp_mark = True |
| break |
| if mp_vmp_mark: |
| break |
| else: |
| raise EngineException("monitoring-param:vdu-monitoring-param:vdu-monitoring-param-ref='{}' not " |
| "defined at vdu[id='{}'] or vdu does not exist" |
| .format(mp["vdu-monitoring-param"]["vdu-monitoring-param-ref"], |
| mp["vdu-monitoring-param"]["vdu-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| elif mp.get("vdu-metric"): |
| mp_vm_mark = False |
| for vdu in get_iterable(indata.get("vdu")): |
| if vdu.get("vdu-configuration"): |
| for metric in get_iterable(vdu["vdu-configuration"].get("metrics")): |
| if metric["name"] == mp["vdu-metric"]["vdu-metric-name-ref"] and vdu["id"] == \ |
| mp["vdu-metric"]["vdu-ref"]: |
| mp_vm_mark = True |
| break |
| if mp_vm_mark: |
| break |
| else: |
| raise EngineException("monitoring-param:vdu-metric:vdu-metric-name-ref='{}' not defined at " |
| "vdu[id='{}'] or vdu does not exist" |
| .format(mp["vdu-metric"]["vdu-metric-name-ref"], |
| mp["vdu-metric"]["vdu-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| |
| for sgd in get_iterable(indata.get("scaling-group-descriptor")): |
| for sp in get_iterable(sgd.get("scaling-policy")): |
| for sc in get_iterable(sp.get("scaling-criteria")): |
| for mp in get_iterable(indata.get("monitoring-param")): |
| if mp["id"] == get_iterable(sc.get("vnf-monitoring-param-ref")): |
| break |
| else: |
| raise EngineException("scaling-group-descriptor[name='{}']:scaling-criteria[name='{}']:" |
| "vnf-monitoring-param-ref='{}' not defined in any monitoring-param" |
| .format(sgd["name"], sc["name"], sc["vnf-monitoring-param-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| for sgd_vdu in get_iterable(sgd.get("vdu")): |
| sgd_vdu_mark = False |
| for vdu in get_iterable(indata.get("vdu")): |
| if vdu["id"] == sgd_vdu["vdu-id-ref"]: |
| sgd_vdu_mark = True |
| break |
| if sgd_vdu_mark: |
| break |
| else: |
| raise EngineException("scaling-group-descriptor[name='{}']:vdu-id-ref={} does not match any vdu" |
| .format(sgd["name"], sgd_vdu["vdu-id-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| for sca in get_iterable(sgd.get("scaling-config-action")): |
| if not indata.get("vnf-configuration"): |
| raise EngineException("'vnf-configuration' not defined in the descriptor but it is referenced by " |
| "scaling-group-descriptor[name='{}']:scaling-config-action" |
| .format(sgd["name"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| for primitive in get_iterable(indata["vnf-configuration"].get("config-primitive")): |
| if primitive["name"] == sca["vnf-config-primitive-name-ref"]: |
| break |
| else: |
| raise EngineException("scaling-group-descriptor[name='{}']:scaling-config-action:vnf-config-" |
| "primitive-name-ref='{}' does not match any " |
| "vnf-configuration:config-primitive:name" |
| .format(sgd["name"], sca["vnf-config-primitive-name-ref"]), |
| http_code=HTTPStatus.UNPROCESSABLE_ENTITY) |
| return indata |
| |
| def _validate_input_edit(self, indata, force=False): |
| # TODO validate with pyangbind, serialize |
| return indata |
| |
| |
| class NsdTopic(DescriptorTopic): |
| topic = "nsds" |
| topic_msg = "nsd" |
| |
| def __init__(self, db, fs, msg): |
| DescriptorTopic.__init__(self, db, fs, msg) |
| |
| @staticmethod |
| def _remove_envelop(indata=None): |
| if not indata: |
| return {} |
| clean_indata = indata |
| |
| if clean_indata.get('nsd:nsd-catalog'): |
| clean_indata = clean_indata['nsd:nsd-catalog'] |
| elif clean_indata.get('nsd-catalog'): |
| clean_indata = clean_indata['nsd-catalog'] |
| if clean_indata.get('nsd'): |
| if not isinstance(clean_indata['nsd'], list) or len(clean_indata['nsd']) != 1: |
| raise EngineException("'nsd' must be a list of only one element") |
| clean_indata = clean_indata['nsd'][0] |
| elif clean_indata.get('nsd:nsd'): |
| if not isinstance(clean_indata['nsd:nsd'], list) or len(clean_indata['nsd:nsd']) != 1: |
| raise EngineException("'nsd:nsd' must be a list of only one element") |
| clean_indata = clean_indata['nsd:nsd'][0] |
| return clean_indata |
| |
| def _validate_input_new(self, indata, force=False): |
| |
| # TODO validate with pyangbind, serialize |
| indata = self.pyangbind_validation("nsds", indata, force) |
| return indata |
| |
| def _validate_input_edit(self, indata, force=False): |
| # TODO validate with pyangbind, serialize |
| return indata |
| |
| 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("constituent-vnfd"): |
| return |
| for vnf in descriptor["constituent-vnfd"]: |
| vnfd_id = vnf["vnfd-id-ref"] |
| filter_q = self._get_project_filter(session, write=False, show_all=True) |
| filter_q["id"] = vnfd_id |
| if not self.db.get_list("vnfds", filter_q): |
| raise EngineException("Descriptor error at 'constituent-vnfd':'vnfd-id-ref'='{}' references a non " |
| "existing vnfd".format(vnfd_id), http_code=HTTPStatus.CONFLICT) |
| |
| def check_conflict_on_edit(self, session, final_content, edit_content, _id, force=False): |
| super().check_conflict_on_edit(session, final_content, edit_content, _id, force=force) |
| |
| self._check_descriptor_dependencies(session, final_content) |
| |
| def check_conflict_on_del(self, session, _id, force=False): |
| """ |
| Check that there is not any NSR that uses this NSD. Only NSRs belonging to this project are considered. Note |
| that NSD can be public and be used by other projects. |
| :param session: |
| :param _id: vnfd inernal id |
| :param force: Avoid this checking |
| :return: None or raises EngineException with the conflict |
| """ |
| if force: |
| return |
| _filter = self._get_project_filter(session, write=False, show_all=False) |
| _filter["nsdId"] = _id |
| if self.db.get_list("nsrs", _filter): |
| raise EngineException("There is some NSR that depends on this NSD", http_code=HTTPStatus.CONFLICT) |
| |
| |
| class PduTopic(BaseTopic): |
| topic = "pdus" |
| topic_msg = "pdu" |
| schema_new = pdu_new_schema |
| schema_edit = pdu_edit_schema |
| |
| def __init__(self, db, fs, msg): |
| BaseTopic.__init__(self, db, fs, msg) |
| |
| @staticmethod |
| def format_on_new(content, project_id=None, make_public=False): |
| BaseTopic.format_on_new(content, project_id=None, make_public=make_public) |
| content["_admin"]["onboardingState"] = "CREATED" |
| content["_admin"]["operationalState"] = "DISABLED" |
| content["_admin"]["usageSate"] = "NOT_IN_USE" |
| |
| def check_conflict_on_del(self, session, _id, force=False): |
| if force: |
| return |
| # TODO Is it needed to check descriptors _admin.project_read/project_write?? |
| _filter = {"vdur.pdu-id": _id} |
| if self.db.get_list("vnfrs", _filter): |
| raise EngineException("There is some NSR that uses this PDU", http_code=HTTPStatus.CONFLICT) |