X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Fengine.py;h=5e42858e39f33020ee076cdeef36d43bfbb9757c;hp=3cdacd9b63d78c48a7e43f3eb6dcf8390d349a72;hb=e4a07d5db1e38e6a52788d5788c6cc3396e1052d;hpb=d985a8dbd3c2a0ae7e1b6a28b12b6c0297c888b8;ds=sidebyside diff --git a/osm_nbi/engine.py b/osm_nbi/engine.py index 3cdacd9..5e42858 100644 --- a/osm_nbi/engine.py +++ b/osm_nbi/engine.py @@ -1,44 +1,71 @@ # -*- 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 +import yaml from osm_common import dbmongo, dbmemory, fslocal, msglocal, msgkafka, version as common_version from osm_common.dbbase import DbException from osm_common.fsbase import FsException from osm_common.msgbase import MsgException from http import HTTPStatus + +from authconn_keystone import AuthconnKeystone from base_topic import EngineException, versiontuple -from admin_topics import UserTopic, ProjectTopic, VimAccountTopic, SdnTopic -from descriptor_topics import VnfdTopic, NsdTopic, PduTopic -from instance_topics import NsrTopic, VnfrTopic, NsLcmOpTopic +from admin_topics import UserTopic, ProjectTopic, VimAccountTopic, WimAccountTopic, SdnTopic +from admin_topics import UserTopicAuth, ProjectTopicAuth, RoleTopicAuth +from descriptor_topics import VnfdTopic, NsdTopic, PduTopic, NstTopic +from instance_topics import NsrTopic, VnfrTopic, NsLcmOpTopic, NsiTopic, NsiLcmOpTopic +from pmjobs_topics import PmJobsTopic from base64 import b64encode -from os import urandom +from os import urandom, path +from threading import Lock __author__ = "Alfonso Tierno " -min_common_version = "0.1.8" +min_common_version = "0.1.16" class Engine(object): map_from_topic_to_class = { "vnfds": VnfdTopic, "nsds": NsdTopic, + "nsts": NstTopic, "pdus": PduTopic, "nsrs": NsrTopic, "vnfrs": VnfrTopic, "nslcmops": NsLcmOpTopic, "vim_accounts": VimAccountTopic, + "wim_accounts": WimAccountTopic, "sdns": SdnTopic, "users": UserTopic, "projects": ProjectTopic, + "nsis": NsiTopic, + "nsilcmops": NsiLcmOpTopic # [NEW_TOPIC]: add an entry here + # "pm_jobs": PmJobsTopic will be added manually because it needs other parameters } def __init__(self): self.db = None self.fs = None self.msg = None + self.auth = None self.config = None + self.operations = None self.logger = logging.getLogger("nbi.engine") self.map_topic = {} + self.write_lock = None def start(self, config): """ @@ -79,11 +106,51 @@ class Engine(object): self.msg.connect(config["message"]) else: raise EngineException("Invalid configuration param '{}' at '[message]':'driver'".format( - config["storage"]["driver"])) + config["message"]["driver"])) + if not self.auth: + if config["authentication"]["backend"] == "keystone": + self.auth = AuthconnKeystone(config["authentication"]) + if not self.operations: + if "resources_to_operations" in config["rbac"]: + resources_to_operations_file = config["rbac"]["resources_to_operations"] + else: + possible_paths = ( + __file__[:__file__.rfind("engine.py")] + "resources_to_operations.yml", + "./resources_to_operations.yml" + ) + for config_file in possible_paths: + if path.isfile(config_file): + resources_to_operations_file = config_file + break + if not resources_to_operations_file: + raise EngineException("Invalid permission configuration: resources_to_operations file missing") + + with open(resources_to_operations_file, 'r') as f: + resources_to_operations = yaml.load(f) + + self.operations = [] + + for _, value in resources_to_operations["resources_to_operations"].items(): + if value not in self.operations: + self.operations += value + + if config["authentication"]["backend"] == "keystone": + self.map_from_topic_to_class["users"] = UserTopicAuth + self.map_from_topic_to_class["projects"] = ProjectTopicAuth + self.map_from_topic_to_class["roles"] = RoleTopicAuth + self.write_lock = Lock() # create one class per topic for topic, topic_class in self.map_from_topic_to_class.items(): + if self.auth and topic_class in (UserTopicAuth, ProjectTopicAuth): + self.map_topic[topic] = topic_class(self.db, self.fs, self.msg, self.auth) + elif self.auth and topic_class == RoleTopicAuth: + self.map_topic[topic] = topic_class(self.db, self.fs, self.msg, self.auth, + self.operations) + else: + self.map_topic[topic] = topic_class(self.db, self.fs, self.msg) self.map_topic[topic] = topic_class(self.db, self.fs, self.msg) + self.map_topic["pm_jobs"] = PmJobsTopic(config["prometheus"].get("host"), config["prometheus"].get("port")) except (DbException, FsException, MsgException) as e: raise EngineException(str(e), http_code=e.http_code) @@ -93,8 +160,9 @@ class Engine(object): self.db.db_disconnect() if self.fs: self.fs.fs_disconnect() - if self.fs: - self.fs.fs_disconnect() + if self.msg: + self.msg.disconnect() + self.write_lock = None except (DbException, FsException, MsgException) as e: raise EngineException(str(e), http_code=e.http_code) @@ -113,7 +181,8 @@ class Engine(object): """ if topic not in self.map_topic: raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR) - return self.map_topic[topic].new(rollback, session, indata, kwargs, headers, force) + with self.write_lock: + return self.map_topic[topic].new(rollback, session, indata, kwargs, headers, force) def upload_content(self, session, topic, _id, indata, kwargs, headers, force=False): """ @@ -129,7 +198,8 @@ class Engine(object): """ if topic not in self.map_topic: raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR) - return self.map_topic[topic].upload_content(session, _id, indata, kwargs, headers, force) + with self.write_lock: + return self.map_topic[topic].upload_content(session, _id, indata, kwargs, headers, force) def get_item_list(self, session, topic, filter_q=None): """ @@ -179,7 +249,8 @@ class Engine(object): """ if topic not in self.map_topic: raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR) - return self.map_topic[topic].delete_list(session, _filter) + with self.write_lock: + return self.map_topic[topic].delete_list(session, _filter) def del_item(self, session, topic, _id, force=False): """ @@ -192,7 +263,8 @@ class Engine(object): """ if topic not in self.map_topic: raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR) - return self.map_topic[topic].delete(session, _id, force) + with self.write_lock: + return self.map_topic[topic].delete(session, _id, force) def edit_item(self, session, topic, _id, indata=None, kwargs=None, force=False): """ @@ -207,16 +279,25 @@ class Engine(object): """ if topic not in self.map_topic: raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR) - return self.map_topic[topic].edit(session, _id, indata, kwargs, force) + with self.write_lock: + return self.map_topic[topic].edit(session, _id, indata, kwargs, force) - def prune(self): + def create_admin_project(self): """ - Prune database not needed content - :return: None + Creates a new project 'admin' into database if database is empty. Useful for initialization. + :return: _id identity of the inserted data, or None """ - return self.db.del_list("nsrs", {"_admin.to_delete": True}) - def create_admin(self): + projects = self.db.get_one("projects", fail_on_empty=False, fail_on_more=False) + if projects: + return None + project_desc = {"name": "admin"} + fake_session = {"project_id": "admin", "username": "admin", "admin": True} + rollback_list = [] + _id = self.map_topic["projects"].new(rollback_list, fake_session, project_desc, force=True) + return _id + + def create_admin_user(self): """ Creates a new user admin/admin into database if database is empty. Useful for initialization :return: _id identity of the inserted data, or None @@ -231,6 +312,18 @@ class Engine(object): _id = self.map_topic["users"].new(roolback_list, fake_session, user_desc, force=True) return _id + def create_admin(self): + """ + Creates new 'admin' user and project into database if database is empty. Useful for initialization. + :return: _id identity of the inserted data, or None + """ + project_id = self.create_admin_project() + user_id = self.create_admin_user() + if not project_id and not user_id: + return None + else: + return {'project_id': project_id, 'user_id': user_id} + def upgrade_db(self, current_version, target_version): if not target_version or current_version == target_version: return @@ -249,6 +342,7 @@ class Engine(object): } self.db.create("admin", version_data) self.db.set_secret_key(serial) + return # TODO add future migrations here raise EngineException("Wrong database version '{}'. Expected '{}'"