Reformat NBI to standardized format
[osm/NBI.git] / osm_nbi / engine.py
index e0c25e5..1bc9171 100644 (file)
 # limitations under the License.
 
 import logging
 # limitations under the License.
 
 import logging
+
 # import yaml
 # import yaml
-from osm_common import dbmongo, dbmemory, fslocal, fsmongo, msglocal, msgkafka, version as common_version
+from osm_common import (
+    dbmongo,
+    dbmemory,
+    fslocal,
+    fsmongo,
+    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 osm_common.dbbase import DbException
 from osm_common.fsbase import FsException
 from osm_common.msgbase import MsgException
@@ -29,12 +38,24 @@ from osm_nbi.admin_topics import VimAccountTopic, WimAccountTopic, SdnTopic
 from osm_nbi.admin_topics import K8sClusterTopic, K8sRepoTopic, OsmRepoTopic
 from osm_nbi.admin_topics import VcaTopic
 from osm_nbi.admin_topics import UserTopicAuth, ProjectTopicAuth, RoleTopicAuth
 from osm_nbi.admin_topics import K8sClusterTopic, K8sRepoTopic, OsmRepoTopic
 from osm_nbi.admin_topics import VcaTopic
 from osm_nbi.admin_topics import UserTopicAuth, ProjectTopicAuth, RoleTopicAuth
-from osm_nbi.descriptor_topics import VnfdTopic, NsdTopic, PduTopic, NstTopic, VnfPkgOpTopic
-from osm_nbi.instance_topics import NsrTopic, VnfrTopic, NsLcmOpTopic, NsiTopic, NsiLcmOpTopic
+from osm_nbi.descriptor_topics import (
+    VnfdTopic,
+    NsdTopic,
+    PduTopic,
+    NstTopic,
+    VnfPkgOpTopic,
+)
+from osm_nbi.instance_topics import (
+    NsrTopic,
+    VnfrTopic,
+    NsLcmOpTopic,
+    NsiTopic,
+    NsiLcmOpTopic,
+)
 from osm_nbi.pmjobs_topics import PmJobsTopic
 from osm_nbi.subscription_topics import NslcmSubscriptionsTopic
 from base64 import b64encode
 from osm_nbi.pmjobs_topics import PmJobsTopic
 from osm_nbi.subscription_topics import NslcmSubscriptionsTopic
 from base64 import b64encode
-from os import urandom   # , path
+from os import urandom  # , path
 from threading import Lock
 
 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
 from threading import Lock
 
 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
@@ -57,9 +78,9 @@ class Engine(object):
         "vca": VcaTopic,
         "k8srepos": K8sRepoTopic,
         "osmrepos": OsmRepoTopic,
         "vca": VcaTopic,
         "k8srepos": K8sRepoTopic,
         "osmrepos": OsmRepoTopic,
-        "users": UserTopicAuth,   # Valid for both internal and keystone authentication backends
-        "projects": ProjectTopicAuth,   # Valid for both internal and keystone authentication backends
-        "roles": RoleTopicAuth,   # Valid for both internal and keystone authentication backends
+        "users": UserTopicAuth,  # Valid for both internal and keystone authentication backends
+        "projects": ProjectTopicAuth,  # Valid for both internal and keystone authentication backends
+        "roles": RoleTopicAuth,  # Valid for both internal and keystone authentication backends
         "nsis": NsiTopic,
         "nsilcmops": NsiLcmOpTopic,
         "vnfpkgops": VnfPkgOpTopic,
         "nsis": NsiTopic,
         "nsilcmops": NsiLcmOpTopic,
         "vnfpkgops": VnfPkgOpTopic,
@@ -97,8 +118,11 @@ class Engine(object):
         self.config = config
         # check right version of common
         if versiontuple(common_version) < versiontuple(min_common_version):
         self.config = config
         # check right version of common
         if versiontuple(common_version) < versiontuple(min_common_version):
-            raise EngineException("Not compatible osm/common version '{}'. Needed '{}' or higher".format(
-                common_version, min_common_version))
+            raise EngineException(
+                "Not compatible osm/common version '{}'. Needed '{}' or higher".format(
+                    common_version, min_common_version
+                )
+            )
 
         try:
             if not self.db:
 
         try:
             if not self.db:
@@ -109,8 +133,11 @@ class Engine(object):
                     self.db = dbmemory.DbMemory()
                     self.db.db_connect(config["database"])
                 else:
                     self.db = dbmemory.DbMemory()
                     self.db.db_connect(config["database"])
                 else:
-                    raise EngineException("Invalid configuration param '{}' at '[database]':'driver'".format(
-                        config["database"]["driver"]))
+                    raise EngineException(
+                        "Invalid configuration param '{}' at '[database]':'driver'".format(
+                            config["database"]["driver"]
+                        )
+                    )
             if not self.fs:
                 if config["storage"]["driver"] == "local":
                     self.fs = fslocal.FsLocal()
             if not self.fs:
                 if config["storage"]["driver"] == "local":
                     self.fs = fslocal.FsLocal()
@@ -119,8 +146,11 @@ class Engine(object):
                     self.fs = fsmongo.FsMongo()
                     self.fs.fs_connect(config["storage"])
                 else:
                     self.fs = fsmongo.FsMongo()
                     self.fs.fs_connect(config["storage"])
                 else:
-                    raise EngineException("Invalid configuration param '{}' at '[storage]':'driver'".format(
-                        config["storage"]["driver"]))
+                    raise EngineException(
+                        "Invalid configuration param '{}' at '[storage]':'driver'".format(
+                            config["storage"]["driver"]
+                        )
+                    )
             if not self.msg:
                 if config["message"]["driver"] == "local":
                     self.msg = msglocal.MsgLocal()
             if not self.msg:
                 if config["message"]["driver"] == "local":
                     self.msg = msglocal.MsgLocal()
@@ -129,18 +159,30 @@ class Engine(object):
                     self.msg = msgkafka.MsgKafka()
                     self.msg.connect(config["message"])
                 else:
                     self.msg = msgkafka.MsgKafka()
                     self.msg.connect(config["message"])
                 else:
-                    raise EngineException("Invalid configuration param '{}' at '[message]':'driver'".format(
-                        config["message"]["driver"]))
+                    raise EngineException(
+                        "Invalid configuration param '{}' at '[message]':'driver'".format(
+                            config["message"]["driver"]
+                        )
+                    )
             if not self.authconn:
                 if config["authentication"]["backend"] == "keystone":
             if not self.authconn:
                 if config["authentication"]["backend"] == "keystone":
-                    self.authconn = AuthconnKeystone(config["authentication"], self.db,
-                                                     self.authenticator.role_permissions)
+                    self.authconn = AuthconnKeystone(
+                        config["authentication"],
+                        self.db,
+                        self.authenticator.role_permissions,
+                    )
                 elif config["authentication"]["backend"] == "tacacs":
                 elif config["authentication"]["backend"] == "tacacs":
-                    self.authconn = AuthconnTacacs(config["authentication"], self.db,
-                                                   self.authenticator.role_permissions)
+                    self.authconn = AuthconnTacacs(
+                        config["authentication"],
+                        self.db,
+                        self.authenticator.role_permissions,
+                    )
                 else:
                 else:
-                    self.authconn = AuthconnInternal(config["authentication"], self.db,
-                                                     self.authenticator.role_permissions)
+                    self.authconn = AuthconnInternal(
+                        config["authentication"],
+                        self.db,
+                        self.authenticator.role_permissions,
+                    )
             # if not self.operations:
             #     if "resources_to_operations" in config["rbac"]:
             #         resources_to_operations_file = config["rbac"]["resources_to_operations"]
             # if not self.operations:
             #     if "resources_to_operations" in config["rbac"]:
             #         resources_to_operations_file = config["rbac"]["resources_to_operations"]
@@ -171,10 +213,15 @@ class Engine(object):
             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)
             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)
-                self.map_topic[topic] = topic_class(self.db, self.fs, self.msg, self.authconn)
-            
-            self.map_topic["pm_jobs"] = PmJobsTopic(self.db, config["prometheus"].get("host"),
-                                                    config["prometheus"].get("port"))
+                self.map_topic[topic] = topic_class(
+                    self.db, self.fs, self.msg, self.authconn
+                )
+
+            self.map_topic["pm_jobs"] = PmJobsTopic(
+                self.db,
+                config["prometheus"].get("host"),
+                config["prometheus"].get("port"),
+            )
         except (DbException, FsException, MsgException) as e:
             raise EngineException(str(e), http_code=e.http_code)
 
         except (DbException, FsException, MsgException) as e:
             raise EngineException(str(e), http_code=e.http_code)
 
@@ -190,7 +237,9 @@ class Engine(object):
         except (DbException, FsException, MsgException) as e:
             raise EngineException(str(e), http_code=e.http_code)
 
         except (DbException, FsException, MsgException) as e:
             raise EngineException(str(e), http_code=e.http_code)
 
-    def new_item(self, rollback, session, topic, indata=None, kwargs=None, headers=None):
+    def new_item(
+        self, rollback, session, topic, indata=None, kwargs=None, headers=None
+    ):
         """
         Creates a new entry into database. For nsds and vnfds it creates an almost empty DISABLED  entry,
         that must be completed with a call to method upload_content
         """
         Creates a new entry into database. For nsds and vnfds it creates an almost empty DISABLED  entry,
         that must be completed with a call to method upload_content
@@ -203,7 +252,9 @@ class Engine(object):
         :return: _id: identity of the inserted data.
         """
         if topic not in self.map_topic:
         :return: _id: identity of the inserted data.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         with self.write_lock:
             return self.map_topic[topic].new(rollback, session, indata, kwargs, headers)
 
         with self.write_lock:
             return self.map_topic[topic].new(rollback, session, indata, kwargs, headers)
 
@@ -219,9 +270,13 @@ class Engine(object):
         :return: _id: identity of the inserted data.
         """
         if topic not in self.map_topic:
         :return: _id: identity of the inserted data.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         with self.write_lock:
         with self.write_lock:
-            return self.map_topic[topic].upload_content(session, _id, indata, kwargs, headers)
+            return self.map_topic[topic].upload_content(
+                session, _id, indata, kwargs, headers
+            )
 
     def get_item_list(self, session, topic, filter_q=None, api_req=False):
         """
 
     def get_item_list(self, session, topic, filter_q=None, api_req=False):
         """
@@ -233,7 +288,9 @@ class Engine(object):
         :return: The list, it can be empty if no one match the filter_q.
         """
         if topic not in self.map_topic:
         :return: The list, it can be empty if no one match the filter_q.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         return self.map_topic[topic].list(session, filter_q, api_req)
 
     def get_item(self, session, topic, _id, api_req=False):
         return self.map_topic[topic].list(session, filter_q, api_req)
 
     def get_item(self, session, topic, _id, api_req=False):
@@ -246,7 +303,9 @@ class Engine(object):
         :return: dictionary, raise exception if not found.
         """
         if topic not in self.map_topic:
         :return: dictionary, raise exception if not found.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         return self.map_topic[topic].show(session, _id, api_req)
 
     def get_file(self, session, topic, _id, path=None, accept_header=None):
         return self.map_topic[topic].show(session, _id, api_req)
 
     def get_file(self, session, topic, _id, path=None, accept_header=None):
@@ -260,7 +319,9 @@ class Engine(object):
         :return: opened file plus Accept format or raises an exception
         """
         if topic not in self.map_topic:
         :return: opened file plus Accept format or raises an exception
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         return self.map_topic[topic].get_file(session, _id, path, accept_header)
 
     def del_item_list(self, session, topic, _filter=None):
         return self.map_topic[topic].get_file(session, _id, path, accept_header)
 
     def del_item_list(self, session, topic, _filter=None):
@@ -272,7 +333,9 @@ class Engine(object):
         :return: The deleted list, it can be empty if no one match the _filter.
         """
         if topic not in self.map_topic:
         :return: The deleted list, it can be empty if no one match the _filter.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         with self.write_lock:
             return self.map_topic[topic].delete_list(session, _filter)
 
         with self.write_lock:
             return self.map_topic[topic].delete_list(session, _filter)
 
@@ -288,7 +351,9 @@ class Engine(object):
         :return: dictionary with deleted item _id. It raises exception if not found.
         """
         if topic not in self.map_topic:
         :return: dictionary with deleted item _id. It raises exception if not found.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         with self.write_lock:
             return self.map_topic[topic].delete(session, _id, not_send_msg=not_send_msg)
 
         with self.write_lock:
             return self.map_topic[topic].delete(session, _id, not_send_msg=not_send_msg)
 
@@ -303,38 +368,47 @@ class Engine(object):
         :return: dictionary with edited item _id, raise exception if not found.
         """
         if topic not in self.map_topic:
         :return: dictionary with edited item _id, raise exception if not found.
         """
         if topic not in self.map_topic:
-            raise EngineException("Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Unknown topic {}!!!".format(topic), HTTPStatus.INTERNAL_SERVER_ERROR
+            )
         with self.write_lock:
             return self.map_topic[topic].edit(session, _id, indata, kwargs)
 
     def upgrade_db(self, current_version, target_version):
         if target_version not in self.map_target_version_to_int.keys():
         with self.write_lock:
             return self.map_topic[topic].edit(session, _id, indata, kwargs)
 
     def upgrade_db(self, current_version, target_version):
         if target_version not in self.map_target_version_to_int.keys():
-            raise EngineException("Cannot upgrade to version '{}' with this version of code".format(target_version),
-                                  http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
+            raise EngineException(
+                "Cannot upgrade to version '{}' with this version of code".format(
+                    target_version
+                ),
+                http_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+            )
 
         if current_version == target_version:
             return
 
         if current_version == target_version:
             return
-        
+
         target_version_int = self.map_target_version_to_int[target_version]
 
         if not current_version:
             # create database version
             serial = urandom(32)
             version_data = {
         target_version_int = self.map_target_version_to_int[target_version]
 
         if not current_version:
             # create database version
             serial = urandom(32)
             version_data = {
-                "_id": "version",               # Always "version"
-                "version_int": 1000,            # version number
-                "version": "1.0",               # version text
-                "date": "2018-10-25",           # version date
+                "_id": "version",  # Always "version"
+                "version_int": 1000,  # version number
+                "version": "1.0",  # version text
+                "date": "2018-10-25",  # version date
                 "description": "added serial",  # changes in this version
                 "description": "added serial",  # changes in this version
-                'status': "ENABLED",            # ENABLED, DISABLED (migration in process), ERROR,
-                'serial': b64encode(serial)
+                "status": "ENABLED",  # ENABLED, DISABLED (migration in process), ERROR,
+                "serial": b64encode(serial),
             }
             self.db.create("admin", version_data)
             self.db.set_secret_key(serial)
             current_version = "1.0"
             }
             self.db.create("admin", version_data)
             self.db.set_secret_key(serial)
             current_version = "1.0"
-            
-        if current_version in ("1.0", "1.1") and target_version_int >= self.map_target_version_to_int["1.2"]:
-            if self.config['authentication']['backend'] == "internal":
+
+        if (
+            current_version in ("1.0", "1.1")
+            and target_version_int >= self.map_target_version_to_int["1.2"]
+        ):
+            if self.config["authentication"]["backend"] == "internal":
                 self.db.del_list("roles")
 
             version_data = {
                 self.db.del_list("roles")
 
             version_data = {
@@ -342,14 +416,14 @@ class Engine(object):
                 "version_int": 1002,
                 "version": "1.2",
                 "date": "2019-06-11",
                 "version_int": 1002,
                 "version": "1.2",
                 "date": "2019-06-11",
-                "description": "set new format for roles_operations"
+                "description": "set new format for roles_operations",
             }
 
             self.db.set_one("admin", {"_id": "version"}, version_data)
             current_version = "1.2"
             # TODO add future migrations here
 
             }
 
             self.db.set_one("admin", {"_id": "version"}, version_data)
             current_version = "1.2"
             # TODO add future migrations here
 
-    def init_db(self, target_version='1.0'):
+    def init_db(self, target_version="1.0"):
         """
         Init database if empty. If not empty it checks that database version and migrates if needed
         If empty, it creates a new user admin/admin at 'users' and a new entry at 'version'
         """
         Init database if empty. If not empty it checks that database version and migrates if needed
         If empty, it creates a new user admin/admin at 'users' and a new entry at 'version'
@@ -357,11 +431,15 @@ class Engine(object):
         :return: None if ok, exception if error or if the version is different.
         """
 
         :return: None if ok, exception if error or if the version is different.
         """
 
-        version_data = self.db.get_one("admin", {"_id": "version"}, fail_on_empty=False, fail_on_more=True)
+        version_data = self.db.get_one(
+            "admin", {"_id": "version"}, fail_on_empty=False, fail_on_more=True
+        )
         # check database status is ok
         # check database status is ok
-        if version_data and version_data.get("status") != 'ENABLED':
-            raise EngineException("Wrong database status '{}'".format(
-                version_data["status"]), HTTPStatus.INTERNAL_SERVER_ERROR)
+        if version_data and version_data.get("status") != "ENABLED":
+            raise EngineException(
+                "Wrong database status '{}'".format(version_data["status"]),
+                HTTPStatus.INTERNAL_SERVER_ERROR,
+            )
 
         # check version
         db_version = None if not version_data else version_data.get("version")
 
         # check version
         db_version = None if not version_data else version_data.get("version")