Feature-9904: Enhancing NG-UI to enable Juju operational view dashboard
[osm/NBI.git] / osm_nbi / nbi.py
index 4468f26..d5a81ce 100644 (file)
@@ -1,35 +1,56 @@
 #!/usr/bin/python3
 # -*- 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 cherrypy
 import time
 import json
 import yaml
-import html_out as html
+import osm_nbi.html_out as html
 import logging
 import logging.handlers
 import getopt
 import sys
-from engine import Engine, EngineException
+
+from osm_nbi.authconn import AuthException, AuthconnException
+from osm_nbi.auth import Authenticator
+from osm_nbi.engine import Engine, EngineException
+from osm_nbi.subscriptions import SubscriptionThread
+from osm_nbi.validation import ValidationError
 from osm_common.dbbase import DbException
 from osm_common.fsbase import FsException
 from osm_common.msgbase import MsgException
-from base64 import standard_b64decode
 from http import HTTPStatus
 from codecs import getreader
 from os import environ, path
+from osm_nbi import version as nbi_version, version_date as nbi_version_date
 
 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
 
-# TODO consider to remove and provide version using the static version file
-__version__ = "0.1.3"
-version_date = "Apr 2018"
-database_version = '1.0'
+__version__ = "0.1.3"  # file version, not NBI version
+version_date = "Aug 2019"
+
+database_version = "1.2"
+auth_database_version = "1.0"
+nbi_server = None  # instance of Server class
+subscription_thread = None  # instance of SubscriptionThread class
 
 """
 North Bound Interface  (O: OSM specific; 5,X: SOL005 not implemented yet; O5: SOL005 implemented)
 URL: /osm                                                       GET     POST    PUT     DELETE  PATCH
-        /nsd/v1                                                 O       O
+        /nsd/v1
             /ns_descriptors_content                             O       O
                 /<nsdInfoId>                                    O       O       O       O
             /ns_descriptors                                     O5      O5
@@ -68,24 +89,65 @@ URL: /osm                                                       GET     POST
             /ns_lcm_op_occs                                     5       5
                 /<nsLcmOpOccId>                                 5                       5       5
                     TO BE COMPLETED                             5               5
-            /vnfrs                                              O
-                /<vnfrId>                                       O
+            /vnf_instances  (also vnfrs for compatibility)      O
+                /<vnfInstanceId>                                O
             /subscriptions                                      5       5
                 /<subscriptionId>                               5                       X
+
+        /pdu/v1
+            /pdu_descriptors                                    O       O
+                /<id>                                           O               O       O       O
+
         /admin/v1
             /tokens                                             O       O
                 /<id>                                           O                       O
             /users                                              O       O
-                /<id>                                           O                       O
+                /<id>                                           O               O       O       O
             /projects                                           O       O
                 /<id>                                           O                       O
-            /vims_accounts  (also vims for compatibility)       O       O
+            /vim_accounts  (also vims for compatibility)        O       O
+                /<id>                                           O                       O       O
+            /wim_accounts                                       O       O
                 /<id>                                           O                       O       O
             /sdns                                               O       O
                 /<id>                                           O                       O       O
+            /k8sclusters                                        O       O
+                /<id>                                           O                       O       O
+            /k8srepos                                           O       O
+                /<id>                                           O                               O
+            /osmrepos                                           O       O
+                /<id>                                           O                               O
+
+        /nst/v1                                                 O       O
+            /netslice_templates_content                         O       O
+                /<nstInfoId>                                    O       O       O       O
+            /netslice_templates                                 O       O
+                /<nstInfoId>                                    O                       O       O
+                    /nst_content                                O               O
+                    /nst                                        O
+                    /artifacts[/<artifactPath>]                 O
+            /subscriptions                                      X       X
+                /<subscriptionId>                               X                       X
+
+        /nsilcm/v1
+            /netslice_instances_content                         O       O
+                /<SliceInstanceId>                              O                       O
+            /netslice_instances                                 O       O
+                /<SliceInstanceId>                              O                       O
+                    instantiate                                         O
+                    terminate                                           O
+                    action                                              O
+            /nsi_lcm_op_occs                                    O       O
+                /<nsiLcmOpOccId>                                O                       O       O
+            /subscriptions                                      X       X
+                /<subscriptionId>                               X                       X
 
 query string:
     Follows SOL005 section 4.3.2 It contains extra METHOD to override http method, FORCE to force.
+        simpleFilterExpr := <attrName>["."<attrName>]*["."<op>]"="<value>[","<value>]*
+        filterExpr := <simpleFilterExpr>["&"<simpleFilterExpr>]*
+        op := "eq" | "neq" (or "ne") | "gt" | "lt" | "gte" | "lte" | "cont" | "ncont"
+        attrName := string
     For filtering inside array, it must select the element of the array, or add ANYINDEX to apply the filtering over any
     item of the array, that is, pass if any item of the array pass the filter.
     It allows both ne and neq for not equal
@@ -103,6 +165,12 @@ query string:
         exclude_default and include=<list>     … all attributes except those complex attributes with a minimum cardinality
         of zero that are not conditionally mandatory and that are part of the "default exclude set" defined in the
         present specification for the particular resource, but that are not part of <list>
+    Additionally it admits some administrator values:
+        FORCE: To force operations skipping dependency checkings
+        ADMIN: To act as an administrator or a different project
+        PUBLIC: To get public descriptors or set a descriptor as public
+        SET_PROJECT: To make a descriptor available for other project
+        
 Header field name      Reference       Example Descriptions
     Accept     IETF RFC 7231 [19]      application/json        Content-Types that are acceptable for the response.
     This header field shall be present if the response is expected to have a non-empty message body.
@@ -129,9 +197,382 @@ Header field name Reference       Example Descriptions
     Retry-After        IETF RFC 7231 [19]      Fri, 31 Dec 1999 23:59:59 GMT
 """
 
+valid_query_string = ("ADMIN", "SET_PROJECT", "FORCE", "PUBLIC")
+# ^ Contains possible administrative query string words:
+#     ADMIN=True(by default)|Project|Project-list:  See all elements, or elements of a project
+#           (not owned by my session project).
+#     PUBLIC=True(by default)|False: See/hide public elements. Set/Unset a topic to be public
+#     FORCE=True(by default)|False: Force edition/deletion operations
+#     SET_PROJECT=Project|Project-list: Add/Delete the topic to the projects portfolio
+
+valid_url_methods = {
+    # contains allowed URL and methods, and the role_permission name
+    "admin": {
+        "v1": {
+            "tokens": {
+                "METHODS": ("GET", "POST", "DELETE"),
+                "ROLE_PERMISSION": "tokens:",
+                "<ID>": {"METHODS": ("GET", "DELETE"), "ROLE_PERMISSION": "tokens:id:"},
+            },
+            "users": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "users:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "users:id:",
+                },
+            },
+            "projects": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "projects:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "projects:id:",
+                },
+            },
+            "roles": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "roles:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "roles:id:",
+                },
+            },
+            "vims": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "vims:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "vims:id:",
+                },
+            },
+            "vim_accounts": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "vim_accounts:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "vim_accounts:id:",
+                },
+            },
+            "wim_accounts": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "wim_accounts:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "wim_accounts:id:",
+                },
+            },
+            "sdns": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "sdn_controllers:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "sdn_controllers:id:",
+                },
+            },
+            "k8sclusters": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "k8sclusters:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "k8sclusters:id:",
+                },
+            },
+            "vca": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "vca:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "vca:id:",
+                },
+            },
+            "k8srepos": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "k8srepos:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "k8srepos:id:",
+                },
+            },
+            "osmrepos": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "osmrepos:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "osmrepos:id:",
+                },
+            },
+            "domains": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "domains:",
+            },
+        }
+    },
+    "pdu": {
+        "v1": {
+            "pdu_descriptors": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "pduds:",
+                "<ID>": {
+                    "METHODS": ("GET", "POST", "DELETE", "PATCH", "PUT"),
+                    "ROLE_PERMISSION": "pduds:id:",
+                },
+            },
+        }
+    },
+    "nsd": {
+        "v1": {
+            "ns_descriptors_content": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "nsds:",
+                "<ID>": {
+                    "METHODS": ("GET", "PUT", "DELETE"),
+                    "ROLE_PERMISSION": "nsds:id:",
+                },
+            },
+            "ns_descriptors": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "nsds:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),
+                    "ROLE_PERMISSION": "nsds:id:",
+                    "nsd_content": {
+                        "METHODS": ("GET", "PUT"),
+                        "ROLE_PERMISSION": "nsds:id:content:",
+                    },
+                    "nsd": {
+                        "METHODS": ("GET",),  # descriptor inside package
+                        "ROLE_PERMISSION": "nsds:id:content:",
+                    },
+                    "artifacts": {
+                        "METHODS": ("GET",),
+                        "ROLE_PERMISSION": "nsds:id:nsd_artifact:",
+                        "*": None,
+                    },
+                },
+            },
+            "pnf_descriptors": {
+                "TODO": ("GET", "POST"),
+                "<ID>": {
+                    "TODO": ("GET", "DELETE", "PATCH"),
+                    "pnfd_content": {"TODO": ("GET", "PUT")},
+                },
+            },
+            "subscriptions": {
+                "TODO": ("GET", "POST"),
+                "<ID>": {"TODO": ("GET", "DELETE")},
+            },
+        }
+    },
+    "vnfpkgm": {
+        "v1": {
+            "vnf_packages_content": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "vnfds:",
+                "<ID>": {
+                    "METHODS": ("GET", "PUT", "DELETE"),
+                    "ROLE_PERMISSION": "vnfds:id:",
+                },
+            },
+            "vnf_packages": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "vnfds:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE", "PATCH"),  # GET: vnfPkgInfo
+                    "ROLE_PERMISSION": "vnfds:id:",
+                    "package_content": {
+                        "METHODS": ("GET", "PUT"),  # package
+                        "ROLE_PERMISSION": "vnfds:id:",
+                        "upload_from_uri": {
+                            "METHODS": (),
+                            "TODO": ("POST",),
+                            "ROLE_PERMISSION": "vnfds:id:upload:",
+                        },
+                    },
+                    "vnfd": {
+                        "METHODS": ("GET",),  # descriptor inside package
+                        "ROLE_PERMISSION": "vnfds:id:content:",
+                    },
+                    "artifacts": {
+                        "METHODS": ("GET",),
+                        "ROLE_PERMISSION": "vnfds:id:vnfd_artifact:",
+                        "*": None,
+                    },
+                    "action": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "vnfds:id:action:",
+                    },
+                },
+            },
+            "subscriptions": {
+                "TODO": ("GET", "POST"),
+                "<ID>": {"TODO": ("GET", "DELETE")},
+            },
+            "vnfpkg_op_occs": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "vnfds:vnfpkgops:",
+                "<ID>": {"METHODS": ("GET",), "ROLE_PERMISSION": "vnfds:vnfpkgops:id:"},
+            },
+        }
+    },
+    "nslcm": {
+        "v1": {
+            "ns_instances_content": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "ns_instances:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "ns_instances:id:",
+                },
+            },
+            "ns_instances": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "ns_instances:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "ns_instances:id:",
+                    "scale": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "ns_instances:id:scale:",
+                    },
+                    "terminate": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "ns_instances:id:terminate:",
+                    },
+                    "instantiate": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "ns_instances:id:instantiate:",
+                    },
+                    "action": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "ns_instances:id:action:",
+                    },
+                },
+            },
+            "ns_lcm_op_occs": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "ns_instances:opps:",
+                "<ID>": {
+                    "METHODS": ("GET",),
+                    "ROLE_PERMISSION": "ns_instances:opps:id:",
+                },
+            },
+            "vnfrs": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "vnf_instances:",
+                "<ID>": {"METHODS": ("GET",), "ROLE_PERMISSION": "vnf_instances:id:"},
+            },
+            "vnf_instances": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "vnf_instances:",
+                "<ID>": {"METHODS": ("GET",), "ROLE_PERMISSION": "vnf_instances:id:"},
+            },
+            "subscriptions": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "ns_subscriptions:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "ns_subscriptions:id:",
+                },
+            },
+        }
+    },
+    "nst": {
+        "v1": {
+            "netslice_templates_content": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "slice_templates:",
+                "<ID>": {
+                    "METHODS": ("GET", "PUT", "DELETE"),
+                    "ROLE_PERMISSION": "slice_templates:id:",
+                },
+            },
+            "netslice_templates": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "slice_templates:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "TODO": ("PATCH",),
+                    "ROLE_PERMISSION": "slice_templates:id:",
+                    "nst_content": {
+                        "METHODS": ("GET", "PUT"),
+                        "ROLE_PERMISSION": "slice_templates:id:content:",
+                    },
+                    "nst": {
+                        "METHODS": ("GET",),  # descriptor inside package
+                        "ROLE_PERMISSION": "slice_templates:id:content:",
+                    },
+                    "artifacts": {
+                        "METHODS": ("GET",),
+                        "ROLE_PERMISSION": "slice_templates:id:content:",
+                        "*": None,
+                    },
+                },
+            },
+            "subscriptions": {
+                "TODO": ("GET", "POST"),
+                "<ID>": {"TODO": ("GET", "DELETE")},
+            },
+        }
+    },
+    "nsilcm": {
+        "v1": {
+            "netslice_instances_content": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "slice_instances:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "slice_instances:id:",
+                },
+            },
+            "netslice_instances": {
+                "METHODS": ("GET", "POST"),
+                "ROLE_PERMISSION": "slice_instances:",
+                "<ID>": {
+                    "METHODS": ("GET", "DELETE"),
+                    "ROLE_PERMISSION": "slice_instances:id:",
+                    "terminate": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "slice_instances:id:terminate:",
+                    },
+                    "instantiate": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "slice_instances:id:instantiate:",
+                    },
+                    "action": {
+                        "METHODS": ("POST",),
+                        "ROLE_PERMISSION": "slice_instances:id:action:",
+                    },
+                },
+            },
+            "nsi_lcm_op_occs": {
+                "METHODS": ("GET",),
+                "ROLE_PERMISSION": "slice_instances:opps:",
+                "<ID>": {
+                    "METHODS": ("GET",),
+                    "ROLE_PERMISSION": "slice_instances:opps:id:",
+                },
+            },
+        }
+    },
+    "nspm": {
+        "v1": {
+            "pm_jobs": {
+                "<ID>": {
+                    "reports": {
+                        "<ID>": {
+                            "METHODS": ("GET",),
+                            "ROLE_PERMISSION": "reports:id:",
+                        }
+                    }
+                },
+            },
+        },
+    },
+}
 
-class NbiException(Exception):
 
+class NbiException(Exception):
     def __init__(self, message, http_code=HTTPStatus.METHOD_NOT_ALLOWED):
         Exception.__init__(self, message)
         self.http_code = http_code
@@ -144,135 +585,8 @@ class Server(object):
 
     def __init__(self):
         self.instance += 1
-        self.engine = Engine()
-        self.valid_methods = {   # contains allowed URL and methods
-            "admin": {
-                "v1": {
-                    "tokens": {"METHODS": ("GET", "POST", "DELETE"),
-                               "<ID>": {"METHODS": ("GET", "DELETE")}
-                               },
-                    "users": {"METHODS": ("GET", "POST"),
-                              "<ID>": {"METHODS": ("GET", "POST", "DELETE")}
-                              },
-                    "projects": {"METHODS": ("GET", "POST"),
-                                 "<ID>": {"METHODS": ("GET", "DELETE")}
-                                 },
-                    "vims": {"METHODS": ("GET", "POST"),
-                             "<ID>": {"METHODS": ("GET", "DELETE", "PATCH", "PUT")}
-                             },
-                    "vim_accounts": {"METHODS": ("GET", "POST"),
-                                     "<ID>": {"METHODS": ("GET", "DELETE", "PATCH", "PUT")}
-                                     },
-                    "sdns": {"METHODS": ("GET", "POST"),
-                             "<ID>": {"METHODS": ("GET", "DELETE", "PATCH", "PUT")}
-                             },
-                }
-            },
-            "nsd": {
-                "v1": {
-                    "ns_descriptors_content": {"METHODS": ("GET", "POST"),
-                                               "<ID>": {"METHODS": ("GET", "PUT", "DELETE")}
-                                               },
-                    "ns_descriptors": {"METHODS": ("GET", "POST"),
-                                       "<ID>": {"METHODS": ("GET", "DELETE"), "TODO": "PATCH",
-                                                "nsd_content": {"METHODS": ("GET", "PUT")},
-                                                "nsd": {"METHODS": "GET"},  # descriptor inside package
-                                                "artifacts": {"*": {"METHODS": "GET"}}
-                                                }
-                                       },
-                    "pnf_descriptors": {"TODO": ("GET", "POST"),
-                                        "<ID>": {"TODO": ("GET", "DELETE", "PATCH"),
-                                                 "pnfd_content": {"TODO": ("GET", "PUT")}
-                                                 }
-                                        },
-                    "subscriptions": {"TODO": ("GET", "POST"),
-                                      "<ID>": {"TODO": ("GET", "DELETE")}
-                                      },
-                }
-            },
-            "vnfpkgm": {
-                "v1": {
-                    "vnf_packages_content": {"METHODS": ("GET", "POST"),
-                                             "<ID>": {"METHODS": ("GET", "PUT", "DELETE")}
-                                             },
-                    "vnf_packages": {"METHODS": ("GET", "POST"),
-                                     "<ID>": {"METHODS": ("GET", "DELETE"), "TODO": "PATCH",  # GET: vnfPkgInfo
-                                              "package_content": {"METHODS": ("GET", "PUT"),         # package
-                                                                  "upload_from_uri": {"TODO": "POST"}
-                                                                  },
-                                              "vnfd": {"METHODS": "GET"},                    # descriptor inside package
-                                              "artifacts": {"*": {"METHODS": "GET"}}
-                                              }
-                                     },
-                    "subscriptions": {"TODO": ("GET", "POST"),
-                                      "<ID>": {"TODO": ("GET", "DELETE")}
-                                      },
-                }
-            },
-            "nslcm": {
-                "v1": {
-                    "ns_instances_content": {"METHODS": ("GET", "POST"),
-                                             "<ID>": {"METHODS": ("GET", "DELETE")}
-                                             },
-                    "ns_instances": {"METHODS": ("GET", "POST"),
-                                     "<ID>": {"METHODS": ("GET", "DELETE"),
-                                              "scale": {"TODO": "POST"},
-                                              "terminate": {"METHODS": "POST"},
-                                              "instantiate": {"METHODS": "POST"},
-                                              "action": {"METHODS": "POST"},
-                                              }
-                                     },
-                    "ns_lcm_op_occs": {"METHODS": "GET",
-                                       "<ID>": {"METHODS": "GET"},
-                                       },
-                    "vnfrs": {"METHODS": ("GET"),
-                              "<ID>": {"METHODS": ("GET")}
-                              },
-                }
-            },
-        }
-
-    def _authorization(self):
-        token = None
-        user_passwd64 = None
-        try:
-            # 1. Get token Authorization bearer
-            auth = cherrypy.request.headers.get("Authorization")
-            if auth:
-                auth_list = auth.split(" ")
-                if auth_list[0].lower() == "bearer":
-                    token = auth_list[-1]
-                elif auth_list[0].lower() == "basic":
-                    user_passwd64 = auth_list[-1]
-            if not token:
-                if cherrypy.session.get("Authorization"):
-                    # 2. Try using session before request a new token. If not, basic authentication will generate
-                    token = cherrypy.session.get("Authorization")
-                    if token == "logout":
-                        token = None   # force Unauthorized response to insert user pasword again
-                elif user_passwd64 and cherrypy.request.config.get("auth.allow_basic_authentication"):
-                    # 3. Get new token from user password
-                    user = None
-                    passwd = None
-                    try:
-                        user_passwd = standard_b64decode(user_passwd64).decode()
-                        user, _, passwd = user_passwd.partition(":")
-                    except Exception:
-                        pass
-                    outdata = self.engine.new_token(None, {"username": user, "password": passwd})
-                    token = outdata["id"]
-                    cherrypy.session['Authorization'] = token
-            # 4. Get token from cookie
-            # if not token:
-            #     auth_cookie = cherrypy.request.cookie.get("Authorization")
-            #     if auth_cookie:
-            #         token = auth_cookie.value
-            return self.engine.authorize(token)
-        except EngineException as e:
-            if cherrypy.session.get('Authorization'):
-                del cherrypy.session['Authorization']
-            cherrypy.response.headers["WWW-Authenticate"] = 'Bearer realm="{}"'.format(e)
-            raise
+        self.authenticator = Authenticator(valid_url_methods, valid_query_string)
+        self.engine = Engine(self.authenticator)
 
     def _format_in(self, kwargs):
         try:
@@ -284,31 +598,49 @@ class Server(object):
                     if "application/json" in cherrypy.request.headers["Content-Type"]:
                         error_text = "Invalid json format "
                         indata = json.load(self.reader(cherrypy.request.body))
+                        cherrypy.request.headers.pop("Content-File-MD5", None)
                     elif "application/yaml" in cherrypy.request.headers["Content-Type"]:
                         error_text = "Invalid yaml format "
-                        indata = yaml.load(cherrypy.request.body)
-                    elif "application/binary" in cherrypy.request.headers["Content-Type"] or \
-                         "application/gzip" in cherrypy.request.headers["Content-Type"] or \
-                         "application/zip" in cherrypy.request.headers["Content-Type"] or \
-                         "text/plain" in cherrypy.request.headers["Content-Type"]:
+                        indata = yaml.load(
+                            cherrypy.request.body, Loader=yaml.SafeLoader
+                        )
+                        cherrypy.request.headers.pop("Content-File-MD5", None)
+                    elif (
+                        "application/binary" in cherrypy.request.headers["Content-Type"]
+                        or "application/gzip"
+                        in cherrypy.request.headers["Content-Type"]
+                        or "application/zip" in cherrypy.request.headers["Content-Type"]
+                        or "text/plain" in cherrypy.request.headers["Content-Type"]
+                    ):
                         indata = cherrypy.request.body  # .read()
-                    elif "multipart/form-data" in cherrypy.request.headers["Content-Type"]:
+                    elif (
+                        "multipart/form-data"
+                        in cherrypy.request.headers["Content-Type"]
+                    ):
                         if "descriptor_file" in kwargs:
                             filecontent = kwargs.pop("descriptor_file")
                             if not filecontent.file:
-                                raise NbiException("empty file or content", HTTPStatus.BAD_REQUEST)
+                                raise NbiException(
+                                    "empty file or content", HTTPStatus.BAD_REQUEST
+                                )
                             indata = filecontent.file  # .read()
                             if filecontent.content_type.value:
-                                cherrypy.request.headers["Content-Type"] = filecontent.content_type.value
+                                cherrypy.request.headers[
+                                    "Content-Type"
+                                ] = filecontent.content_type.value
                     else:
                         # raise cherrypy.HTTPError(HTTPStatus.Not_Acceptable,
                         #                          "Only 'Content-Type' of type 'application/json' or
                         # 'application/yaml' for input format are available")
                         error_text = "Invalid yaml format "
-                        indata = yaml.load(cherrypy.request.body)
+                        indata = yaml.load(
+                            cherrypy.request.body, Loader=yaml.SafeLoader
+                        )
+                        cherrypy.request.headers.pop("Content-File-MD5", None)
                 else:
                     error_text = "Invalid yaml format "
-                    indata = yaml.load(cherrypy.request.body)
+                    indata = yaml.load(cherrypy.request.body, Loader=yaml.SafeLoader)
+                    cherrypy.request.headers.pop("Content-File-MD5", None)
             if not indata:
                 indata = {}
 
@@ -322,10 +654,15 @@ class Server(object):
                         kwargs[k] = None
                     elif format_yaml:
                         try:
-                            kwargs[k] = yaml.load(v)
+                            kwargs[k] = yaml.load(v, Loader=yaml.SafeLoader)
                         except Exception:
                             pass
-                    elif k.endswith(".gt") or k.endswith(".lt") or k.endswith(".gte") or k.endswith(".lte"):
+                    elif (
+                        k.endswith(".gt")
+                        or k.endswith(".lt")
+                        or k.endswith(".gte")
+                        or k.endswith(".lte")
+                    ):
                         try:
                             kwargs[k] = int(v)
                         except Exception:
@@ -341,7 +678,7 @@ class Server(object):
                             v[index] = None
                         elif format_yaml:
                             try:
-                                v[index] = yaml.load(v[index])
+                                v[index] = yaml.load(v[index], Loader=yaml.SafeLoader)
                             except Exception:
                                 pass
 
@@ -349,80 +686,100 @@ class Server(object):
         except (ValueError, yaml.YAMLError) as exc:
             raise NbiException(error_text + str(exc), HTTPStatus.BAD_REQUEST)
         except KeyError as exc:
-            raise NbiException("Query string error: " + str(exc), HTTPStatus.BAD_REQUEST)
+            raise NbiException(
+                "Query string error: " + str(exc), HTTPStatus.BAD_REQUEST
+            )
         except Exception as exc:
             raise NbiException(error_text + str(exc), HTTPStatus.BAD_REQUEST)
 
     @staticmethod
-    def _format_out(data, session=None, _format=None):
+    def _format_out(data, token_info=None, _format=None):
         """
         return string of dictionary data according to requested json, yaml, xml. By default json
         :param data: response to be sent. Can be a dict, text or file
-        :param session:
-        :param _format: The format to be set as Content-Type ir data is a file
+        :param token_info: Contains among other username and project
+        :param _format: The format to be set as Content-Type if data is a file
         :return: None
         """
         accept = cherrypy.request.headers.get("Accept")
         if data is None:
             if accept and "text/html" in accept:
-                return html.format(data, cherrypy.request, cherrypy.response, session)
+                return html.format(
+                    data, cherrypy.request, cherrypy.response, token_info
+                )
             # cherrypy.response.status = HTTPStatus.NO_CONTENT.value
             return
         elif hasattr(data, "read"):  # file object
             if _format:
                 cherrypy.response.headers["Content-Type"] = _format
             elif "b" in data.mode:  # binariy asssumig zip
-                cherrypy.response.headers["Content-Type"] = 'application/zip'
+                cherrypy.response.headers["Content-Type"] = "application/zip"
             else:
-                cherrypy.response.headers["Content-Type"] = 'text/plain'
+                cherrypy.response.headers["Content-Type"] = "text/plain"
             # TODO check that cherrypy close file. If not implement pending things to close  per thread next
             return data
         if accept:
-            if "application/json" in accept:
-                cherrypy.response.headers["Content-Type"] = 'application/json; charset=utf-8'
+            if "text/html" in accept:
+                return html.format(
+                    data, cherrypy.request, cherrypy.response, token_info
+                )
+            elif "application/yaml" in accept or "*/*" in accept:
+                pass
+            elif "application/json" in accept or (
+                cherrypy.response.status and cherrypy.response.status >= 300
+            ):
+                cherrypy.response.headers[
+                    "Content-Type"
+                ] = "application/json; charset=utf-8"
                 a = json.dumps(data, indent=4) + "\n"
                 return a.encode("utf8")
-            elif "text/html" in accept:
-                return html.format(data, cherrypy.request, cherrypy.response, session)
-
-            elif "application/yaml" in accept or "*/*" in accept or "text/plain" in accept:
-                pass
-            else:
-                raise cherrypy.HTTPError(HTTPStatus.NOT_ACCEPTABLE.value,
-                                         "Only 'Accept' of type 'application/json' or 'application/yaml' "
-                                         "for output format are available")
-        cherrypy.response.headers["Content-Type"] = 'application/yaml'
-        return yaml.safe_dump(data, explicit_start=True, indent=4, default_flow_style=False, tags=False,
-                              encoding='utf-8', allow_unicode=True)  # , canonical=True, default_style='"'
+        cherrypy.response.headers["Content-Type"] = "application/yaml"
+        return yaml.safe_dump(
+            data,
+            explicit_start=True,
+            indent=4,
+            default_flow_style=False,
+            tags=False,
+            encoding="utf-8",
+            allow_unicode=True,
+        )  # , canonical=True, default_style='"'
 
     @cherrypy.expose
     def index(self, *args, **kwargs):
-        session = None
+        token_info = None
         try:
             if cherrypy.request.method == "GET":
-                session = self._authorization()
-                outdata = "Index page"
+                token_info = self.authenticator.authorize()
+                outdata = token_info  # Home page
             else:
-                raise cherrypy.HTTPError(HTTPStatus.METHOD_NOT_ALLOWED.value,
-                                         "Method {} not allowed for tokens".format(cherrypy.request.method))
+                raise cherrypy.HTTPError(
+                    HTTPStatus.METHOD_NOT_ALLOWED.value,
+                    "Method {} not allowed for tokens".format(cherrypy.request.method),
+                )
 
-            return self._format_out(outdata, session)
+            return self._format_out(outdata, token_info)
 
-        except EngineException as e:
-            cherrypy.log("index Exception {}".format(e))
+        except (EngineException, AuthException) as e:
+            cherrypy.log("index Exception {}".format(e))
             cherrypy.response.status = e.http_code.value
-            return self._format_out("Welcome to OSM!", session)
+            return self._format_out("Welcome to OSM!", token_info)
 
     @cherrypy.expose
     def version(self, *args, **kwargs):
         # TODO consider to remove and provide version using the static version file
-        global __version__, version_date
         try:
             if cherrypy.request.method != "GET":
-                raise NbiException("Only method GET is allowed", HTTPStatus.METHOD_NOT_ALLOWED)
+                raise NbiException(
+                    "Only method GET is allowed", HTTPStatus.METHOD_NOT_ALLOWED
+                )
             elif args or kwargs:
-                raise NbiException("Invalid URL or query string for version", HTTPStatus.METHOD_NOT_ALLOWED)
-            return __version__ + " " + version_date
+                raise NbiException(
+                    "Invalid URL or query string for version",
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
+            # TODO include version of other modules, pick up from some kafka admin message
+            osm_nbi_version = {"version": nbi_version, "date": nbi_version_date}
+            return self._format_out(osm_nbi_version)
         except NbiException as e:
             cherrypy.response.status = e.http_code.value
             problem_details = {
@@ -432,63 +789,112 @@ class Server(object):
             }
             return self._format_out(problem_details, None)
 
-    @cherrypy.expose
-    def token(self, method, token_id=None, kwargs=None):
-        session = None
-        # self.engine.load_dbase(cherrypy.request.app.config)
-        indata = self._format_in(kwargs)
-        if not isinstance(indata, dict):
-            raise NbiException("Expected application/yaml or application/json Content-Type", HTTPStatus.BAD_REQUEST)
+    def domain(self):
         try:
-            if method == "GET":
-                session = self._authorization()
-                if token_id:
-                    outdata = self.engine.get_token(session, token_id)
-                else:
-                    outdata = self.engine.get_token_list(session)
-            elif method == "POST":
-                try:
-                    session = self._authorization()
-                except Exception:
-                    session = None
-                if kwargs:
-                    indata.update(kwargs)
-                outdata = self.engine.new_token(session, indata, cherrypy.request.remote)
-                session = outdata
-                cherrypy.session['Authorization'] = outdata["_id"]
-                self._set_location_header("admin", "v1", "tokens", outdata["_id"])
-                # cherrypy.response.cookie["Authorization"] = outdata["id"]
-                # cherrypy.response.cookie["Authorization"]['expires'] = 3600
-            elif method == "DELETE":
-                if not token_id and "id" in kwargs:
-                    token_id = kwargs["id"]
-                elif not token_id:
-                    session = self._authorization()
-                    token_id = session["_id"]
-                outdata = self.engine.del_token(token_id)
-                session = None
-                cherrypy.session['Authorization'] = "logout"
-                # cherrypy.response.cookie["Authorization"] = token_id
-                # cherrypy.response.cookie["Authorization"]['expires'] = 0
-            else:
-                raise NbiException("Method {} not allowed for token".format(method), HTTPStatus.METHOD_NOT_ALLOWED)
-            return self._format_out(outdata, session)
-        except (NbiException, EngineException, DbException) as e:
-            cherrypy.log("tokens Exception {}".format(e))
+            domains = {
+                "user_domain_name": cherrypy.tree.apps["/osm"]
+                .config["authentication"]
+                .get("user_domain_name"),
+                "project_domain_name": cherrypy.tree.apps["/osm"]
+                .config["authentication"]
+                .get("project_domain_name"),
+            }
+            return self._format_out(domains)
+        except NbiException as e:
             cherrypy.response.status = e.http_code.value
             problem_details = {
                 "code": e.http_code.name,
                 "status": e.http_code.value,
                 "detail": str(e),
             }
-            return self._format_out(problem_details, session)
+            return self._format_out(problem_details, None)
+
+    @staticmethod
+    def _format_login(token_info):
+        """
+        Changes cherrypy.request.login to include username/project_name;session so that cherrypy access log will
+        log this information
+        :param token_info: Dictionary with token content
+        :return: None
+        """
+        cherrypy.request.login = token_info.get("username", "-")
+        if token_info.get("project_name"):
+            cherrypy.request.login += "/" + token_info["project_name"]
+        if token_info.get("id"):
+            cherrypy.request.login += ";session=" + token_info["id"][0:12]
+
+    @cherrypy.expose
+    def token(self, method, token_id=None, kwargs=None):
+        token_info = None
+        # self.engine.load_dbase(cherrypy.request.app.config)
+        indata = self._format_in(kwargs)
+        if not isinstance(indata, dict):
+            raise NbiException(
+                "Expected application/yaml or application/json Content-Type",
+                HTTPStatus.BAD_REQUEST,
+            )
+
+        if method == "GET":
+            token_info = self.authenticator.authorize()
+            # for logging
+            self._format_login(token_info)
+            if token_id:
+                outdata = self.authenticator.get_token(token_info, token_id)
+            else:
+                outdata = self.authenticator.get_token_list(token_info)
+        elif method == "POST":
+            try:
+                token_info = self.authenticator.authorize()
+            except Exception:
+                token_info = None
+            if kwargs:
+                indata.update(kwargs)
+            # This is needed to log the user when authentication fails
+            cherrypy.request.login = "{}".format(indata.get("username", "-"))
+            outdata = token_info = self.authenticator.new_token(
+                token_info, indata, cherrypy.request.remote
+            )
+            cherrypy.session["Authorization"] = outdata["_id"]
+            self._set_location_header("admin", "v1", "tokens", outdata["_id"])
+            # for logging
+            self._format_login(token_info)
+
+            # cherrypy.response.cookie["Authorization"] = outdata["id"]
+            # cherrypy.response.cookie["Authorization"]['expires'] = 3600
+        elif method == "DELETE":
+            if not token_id and "id" in kwargs:
+                token_id = kwargs["id"]
+            elif not token_id:
+                token_info = self.authenticator.authorize()
+                # for logging
+                self._format_login(token_info)
+                token_id = token_info["_id"]
+            outdata = self.authenticator.del_token(token_id)
+            token_info = None
+            cherrypy.session["Authorization"] = "logout"
+            # cherrypy.response.cookie["Authorization"] = token_id
+            # cherrypy.response.cookie["Authorization"]['expires'] = 0
+        else:
+            raise NbiException(
+                "Method {} not allowed for token".format(method),
+                HTTPStatus.METHOD_NOT_ALLOWED,
+            )
+        return self._format_out(outdata, token_info)
 
     @cherrypy.expose
     def test(self, *args, **kwargs):
+        if not cherrypy.config.get("server.enable_test") or (
+            isinstance(cherrypy.config["server.enable_test"], str)
+            and cherrypy.config["server.enable_test"].lower() == "false"
+        ):
+            cherrypy.response.status = HTTPStatus.METHOD_NOT_ALLOWED.value
+            return "test URL is disabled"
         thread_info = None
         if args and args[0] == "help":
-            return "<html><pre>\ninit\nfile/<name>  download file\ndb-clear/table\nprune\nlogin\nlogin2\n"\
-                   "sleep/<time>\nmessage/topic\n</pre></html>"
+            return (
+                "<html><pre>\ninit\nfile/<name>  download file\ndb-clear/table\nfs-clear[/folder]\nlogin\nlogin2\n"
+                "sleep/<time>\nmessage/topic\n</pre></html>"
+            )
 
         elif args and args[0] == "init":
             try:
@@ -499,25 +905,41 @@ class Server(object):
                 cherrypy.response.status = HTTPStatus.FORBIDDEN.value
                 return self._format_out("Database already initialized")
         elif args and args[0] == "file":
-            return cherrypy.lib.static.serve_file(cherrypy.tree.apps['/osm'].config["storage"]["path"] + "/" + args[1],
-                                                  "text/plain", "attachment")
+            return cherrypy.lib.static.serve_file(
+                cherrypy.tree.apps["/osm"].config["storage"]["path"] + "/" + args[1],
+                "text/plain",
+                "attachment",
+            )
         elif args and args[0] == "file2":
-            f_path = cherrypy.tree.apps['/osm'].config["storage"]["path"] + "/" + args[1]
+            f_path = (
+                cherrypy.tree.apps["/osm"].config["storage"]["path"] + "/" + args[1]
+            )
             f = open(f_path, "r")
             cherrypy.response.headers["Content-type"] = "text/plain"
             return f
 
         elif len(args) == 2 and args[0] == "db-clear":
-            return self.engine.del_item_list({"project_id": "admin"}, args[1], {})
-        elif args and args[0] == "prune":
-            return self.engine.prune()
+            deleted_info = self.engine.db.del_list(args[1], kwargs)
+            return "{} {} deleted\n".format(deleted_info["deleted"], args[1])
+        elif len(args) and args[0] == "fs-clear":
+            if len(args) >= 2:
+                folders = (args[1],)
+            else:
+                folders = self.engine.fs.dir_ls(".")
+            for folder in folders:
+                self.engine.fs.file_delete(folder)
+            return ",".join(folders) + " folders deleted\n"
         elif args and args[0] == "login":
             if not cherrypy.request.headers.get("Authorization"):
-                cherrypy.response.headers["WWW-Authenticate"] = 'Basic realm="Access to OSM site", charset="UTF-8"'
+                cherrypy.response.headers[
+                    "WWW-Authenticate"
+                ] = 'Basic realm="Access to OSM site", charset="UTF-8"'
                 cherrypy.response.status = HTTPStatus.UNAUTHORIZED.value
         elif args and args[0] == "login2":
             if not cherrypy.request.headers.get("Authorization"):
-                cherrypy.response.headers["WWW-Authenticate"] = 'Bearer realm="Access to OSM site"'
+                cherrypy.response.headers[
+                    "WWW-Authenticate"
+                ] = 'Bearer realm="Access to OSM site"'
                 cherrypy.response.status = HTTPStatus.UNAUTHORIZED.value
         elif args and args[0] == "sleep":
             sleep_time = 5
@@ -531,245 +953,642 @@ class Server(object):
             time.sleep(sleep_time)
             # thread_info
         elif len(args) >= 2 and args[0] == "message":
-            topic = args[1]
-            return_text = "<html><pre>{} ->\n".format(topic)
+            main_topic = args[1]
+            return_text = "<html><pre>{} ->\n".format(main_topic)
             try:
-                if cherrypy.request.method == 'POST':
-                    to_send = yaml.load(cherrypy.request.body)
+                if cherrypy.request.method == "POST":
+                    to_send = yaml.load(cherrypy.request.body, Loader=yaml.SafeLoader)
                     for k, v in to_send.items():
-                        self.engine.msg.write(topic, k, v)
+                        self.engine.msg.write(main_topic, k, v)
                         return_text += "  {}: {}\n".format(k, v)
-                elif cherrypy.request.method == 'GET':
+                elif cherrypy.request.method == "GET":
                     for k, v in kwargs.items():
-                        self.engine.msg.write(topic, k, yaml.load(v))
-                        return_text += "  {}: {}\n".format(k, yaml.load(v))
+                        v_dict = yaml.load(v, Loader=yaml.SafeLoader)
+                        self.engine.msg.write(main_topic, k, v_dict)
+                        return_text += "  {}: {}\n".format(k, v_dict)
             except Exception as e:
                 return_text += "Error: " + str(e)
             return_text += "</pre></html>\n"
             return return_text
 
         return_text = (
-            "<html><pre>\nheaders:\n  args: {}\n".format(args) +
-            "  kwargs: {}\n".format(kwargs) +
-            "  headers: {}\n".format(cherrypy.request.headers) +
-            "  path_info: {}\n".format(cherrypy.request.path_info) +
-            "  query_string: {}\n".format(cherrypy.request.query_string) +
-            "  session: {}\n".format(cherrypy.session) +
-            "  cookie: {}\n".format(cherrypy.request.cookie) +
-            "  method: {}\n".format(cherrypy.request.method) +
-            " session: {}\n".format(cherrypy.session.get('fieldname')) +
-            "  body:\n")
+            "<html><pre>\nheaders:\n  args: {}\n".format(args)
+            + "  kwargs: {}\n".format(kwargs)
+            + "  headers: {}\n".format(cherrypy.request.headers)
+            + "  path_info: {}\n".format(cherrypy.request.path_info)
+            + "  query_string: {}\n".format(cherrypy.request.query_string)
+            + "  session: {}\n".format(cherrypy.session)
+            + "  cookie: {}\n".format(cherrypy.request.cookie)
+            + "  method: {}\n".format(cherrypy.request.method)
+            + "  session: {}\n".format(cherrypy.session.get("fieldname"))
+            + "  body:\n"
+        )
         return_text += "    length: {}\n".format(cherrypy.request.body.length)
         if cherrypy.request.body.length:
             return_text += "    content: {}\n".format(
-                str(cherrypy.request.body.read(int(cherrypy.request.headers.get('Content-Length', 0)))))
+                str(
+                    cherrypy.request.body.read(
+                        int(cherrypy.request.headers.get("Content-Length", 0))
+                    )
+                )
+            )
         if thread_info:
             return_text += "thread: {}\n".format(thread_info)
         return_text += "</pre></html>"
         return return_text
 
-    def _check_valid_url_method(self, method, *args):
+    @staticmethod
+    def _check_valid_url_method(method, *args):
         if len(args) < 3:
-            raise NbiException("URL must contain at least 'topic/version/item'", HTTPStatus.METHOD_NOT_ALLOWED)
+            raise NbiException(
+                "URL must contain at least 'main_topic/version/topic'",
+                HTTPStatus.METHOD_NOT_ALLOWED,
+            )
 
-        reference = self.valid_methods
+        reference = valid_url_methods
         for arg in args:
             if arg is None:
                 break
             if not isinstance(reference, dict):
-                raise NbiException("URL contains unexpected extra items '{}'".format(arg),
-                                   HTTPStatus.METHOD_NOT_ALLOWED)
+                raise NbiException(
+                    "URL contains unexpected extra items '{}'".format(arg),
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
 
             if arg in reference:
                 reference = reference[arg]
             elif "<ID>" in reference:
                 reference = reference["<ID>"]
             elif "*" in reference:
-                reference = reference["*"]
+                # if there is content
+                if reference["*"]:
+                    reference = reference["*"]
                 break
             else:
-                raise NbiException("Unexpected URL item {}".format(arg), HTTPStatus.METHOD_NOT_ALLOWED)
+                raise NbiException(
+                    "Unexpected URL item {}".format(arg), HTTPStatus.METHOD_NOT_ALLOWED
+                )
         if "TODO" in reference and method in reference["TODO"]:
-            raise NbiException("Method {} not supported yet for this URL".format(method), HTTPStatus.NOT_IMPLEMENTED)
+            raise NbiException(
+                "Method {} not supported yet for this URL".format(method),
+                HTTPStatus.NOT_IMPLEMENTED,
+            )
         elif "METHODS" in reference and method not in reference["METHODS"]:
-            raise NbiException("Method {} not supported for this URL".format(method), HTTPStatus.METHOD_NOT_ALLOWED)
-        return
+            raise NbiException(
+                "Method {} not supported for this URL".format(method),
+                HTTPStatus.METHOD_NOT_ALLOWED,
+            )
+        return reference["ROLE_PERMISSION"] + method.lower()
 
     @staticmethod
-    def _set_location_header(topic, version, item, id):
+    def _set_location_header(main_topic, version, topic, id):
         """
         Insert response header Location with the URL of created item base on URL params
-        :param topic:
+        :param main_topic:
         :param version:
-        :param item:
+        :param topic:
         :param id:
         :return: None
         """
         # Use cherrypy.request.base for absoluted path and make use of request.header HOST just in case behind aNAT
-        cherrypy.response.headers["Location"] = "/osm/{}/{}/{}/{}".format(topic, version, item, id)
+        cherrypy.response.headers["Location"] = "/osm/{}/{}/{}/{}".format(
+            main_topic, version, topic, id
+        )
         return
 
+    @staticmethod
+    def _extract_query_string_operations(kwargs, method):
+        """
+
+        :param kwargs:
+        :return:
+        """
+        query_string_operations = []
+        if kwargs:
+            for qs in ("FORCE", "PUBLIC", "ADMIN", "SET_PROJECT"):
+                if qs in kwargs and kwargs[qs].lower() != "false":
+                    query_string_operations.append(qs.lower() + ":" + method.lower())
+        return query_string_operations
+
+    @staticmethod
+    def _manage_admin_query(token_info, kwargs, method, _id):
+        """
+        Processes the administrator query inputs (if any) of FORCE, ADMIN, PUBLIC, SET_PROJECT
+        Check that users has rights to use them and returs the admin_query
+        :param token_info: token_info rights obtained by token
+        :param kwargs: query string input.
+        :param method: http method: GET, POSST, PUT, ...
+        :param _id:
+        :return: admin_query dictionary with keys:
+            public: True, False or None
+            force: True or False
+            project_id: tuple with projects used for accessing an element
+            set_project: tuple with projects that a created element will belong to
+            method: show, list, delete, write
+        """
+        admin_query = {
+            "force": False,
+            "project_id": (token_info["project_id"],),
+            "username": token_info["username"],
+            "admin": token_info["admin"],
+            "public": None,
+            "allow_show_user_project_role": token_info["allow_show_user_project_role"],
+        }
+        if kwargs:
+            # FORCE
+            if "FORCE" in kwargs:
+                if (
+                    kwargs["FORCE"].lower() != "false"
+                ):  # if None or True set force to True
+                    admin_query["force"] = True
+                del kwargs["FORCE"]
+            # PUBLIC
+            if "PUBLIC" in kwargs:
+                if (
+                    kwargs["PUBLIC"].lower() != "false"
+                ):  # if None or True set public to True
+                    admin_query["public"] = True
+                else:
+                    admin_query["public"] = False
+                del kwargs["PUBLIC"]
+            # ADMIN
+            if "ADMIN" in kwargs:
+                behave_as = kwargs.pop("ADMIN")
+                if behave_as.lower() != "false":
+                    if not token_info["admin"]:
+                        raise NbiException(
+                            "Only admin projects can use 'ADMIN' query string",
+                            HTTPStatus.UNAUTHORIZED,
+                        )
+                    if (
+                        not behave_as or behave_as.lower() == "true"
+                    ):  # convert True, None to empty list
+                        admin_query["project_id"] = ()
+                    elif isinstance(behave_as, (list, tuple)):
+                        admin_query["project_id"] = behave_as
+                    else:  # isinstance(behave_as, str)
+                        admin_query["project_id"] = (behave_as,)
+            if "SET_PROJECT" in kwargs:
+                set_project = kwargs.pop("SET_PROJECT")
+                if not set_project:
+                    admin_query["set_project"] = list(admin_query["project_id"])
+                else:
+                    if isinstance(set_project, str):
+                        set_project = (set_project,)
+                    if admin_query["project_id"]:
+                        for p in set_project:
+                            if p not in admin_query["project_id"]:
+                                raise NbiException(
+                                    "Unauthorized for 'SET_PROJECT={p}'. Try with 'ADMIN=True' or "
+                                    "'ADMIN='{p}'".format(p=p),
+                                    HTTPStatus.UNAUTHORIZED,
+                                )
+                    admin_query["set_project"] = set_project
+
+            # PROJECT_READ
+            # if "PROJECT_READ" in kwargs:
+            #     admin_query["project"] = kwargs.pop("project")
+            #     if admin_query["project"] == token_info["project_id"]:
+        if method == "GET":
+            if _id:
+                admin_query["method"] = "show"
+            else:
+                admin_query["method"] = "list"
+        elif method == "DELETE":
+            admin_query["method"] = "delete"
+        else:
+            admin_query["method"] = "write"
+        return admin_query
+
     @cherrypy.expose
-    def default(self, topic=None, version=None, item=None, _id=None, item2=None, *args, **kwargs):
-        session = None
+    def default(
+        self,
+        main_topic=None,
+        version=None,
+        topic=None,
+        _id=None,
+        item=None,
+        *args,
+        **kwargs
+    ):
+        token_info = None
         outdata = None
         _format = None
         method = "DONE"
-        engine_item = None
+        engine_topic = None
         rollback = []
-        session = None
+        engine_session = None
         try:
-            if not topic or not version or not item:
-                raise NbiException("URL must contain at least 'topic/version/item'", HTTPStatus.METHOD_NOT_ALLOWED)
-            if topic not in ("admin", "vnfpkgm", "nsd", "nslcm"):
-                raise NbiException("URL topic '{}' not supported".format(topic), HTTPStatus.METHOD_NOT_ALLOWED)
-            if version != 'v1':
-                raise NbiException("URL version '{}' not supported".format(version), HTTPStatus.METHOD_NOT_ALLOWED)
-
-            if kwargs and "METHOD" in kwargs and kwargs["METHOD"] in ("PUT", "POST", "DELETE", "GET", "PATCH"):
+            if not main_topic or not version or not topic:
+                raise NbiException(
+                    "URL must contain at least 'main_topic/version/topic'",
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
+            if main_topic not in (
+                "admin",
+                "vnfpkgm",
+                "nsd",
+                "nslcm",
+                "pdu",
+                "nst",
+                "nsilcm",
+                "nspm",
+            ):
+                raise NbiException(
+                    "URL main_topic '{}' not supported".format(main_topic),
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
+            if version != "v1":
+                raise NbiException(
+                    "URL version '{}' not supported".format(version),
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
+
+            if (
+                kwargs
+                and "METHOD" in kwargs
+                and kwargs["METHOD"] in ("PUT", "POST", "DELETE", "GET", "PATCH")
+            ):
                 method = kwargs.pop("METHOD")
             else:
                 method = cherrypy.request.method
-            if kwargs and "FORCE" in kwargs:
-                force = kwargs.pop("FORCE")
-            else:
-                force = False
-
-            self._check_valid_url_method(method, topic, version, item, _id, item2, *args)
 
-            if topic == "admin" and item == "tokens":
+            role_permission = self._check_valid_url_method(
+                method, main_topic, version, topic, _id, item, *args
+            )
+            query_string_operations = self._extract_query_string_operations(
+                kwargs, method
+            )
+            if main_topic == "admin" and topic == "tokens":
                 return self.token(method, _id, kwargs)
-
-            # self.engine.load_dbase(cherrypy.request.app.config)
-            session = self._authorization()
+            token_info = self.authenticator.authorize(
+                role_permission, query_string_operations, _id
+            )
+            if main_topic == "admin" and topic == "domains":
+                return self.domain()
+            engine_session = self._manage_admin_query(token_info, kwargs, method, _id)
             indata = self._format_in(kwargs)
-            engine_item = item
-            if item == "subscriptions":
-                engine_item = topic + "_" + item
-            if item2:
-                engine_item = item2
-
-            if topic == "nsd":
-                engine_item = "nsds"
-            elif topic == "vnfpkgm":
-                engine_item = "vnfds"
-            elif topic == "nslcm":
-                engine_item = "nsrs"
-                if item == "ns_lcm_op_occs":
-                    engine_item = "nslcmops"
-                if item == "vnfrs":
-                    engine_item = "vnfrs"
-            if engine_item == "vims":   # TODO this is for backward compatibility, it will remove in the future
-                engine_item = "vim_accounts"
+            engine_topic = topic
+
+            if item and topic != "pm_jobs":
+                engine_topic = item
+
+            if main_topic == "nsd":
+                engine_topic = "nsds"
+            elif main_topic == "vnfpkgm":
+                engine_topic = "vnfds"
+                if topic == "vnfpkg_op_occs":
+                    engine_topic = "vnfpkgops"
+                if topic == "vnf_packages" and item == "action":
+                    engine_topic = "vnfpkgops"
+            elif main_topic == "nslcm":
+                engine_topic = "nsrs"
+                if topic == "ns_lcm_op_occs":
+                    engine_topic = "nslcmops"
+                if topic == "vnfrs" or topic == "vnf_instances":
+                    engine_topic = "vnfrs"
+            elif main_topic == "nst":
+                engine_topic = "nsts"
+            elif main_topic == "nsilcm":
+                engine_topic = "nsis"
+                if topic == "nsi_lcm_op_occs":
+                    engine_topic = "nsilcmops"
+            elif main_topic == "pdu":
+                engine_topic = "pdus"
+            if (
+                engine_topic == "vims"
+            ):  # TODO this is for backward compatibility, it will be removed in the future
+                engine_topic = "vim_accounts"
+
+            if topic == "subscriptions":
+                engine_topic = main_topic + "_" + topic
 
             if method == "GET":
-                if item2 in ("nsd_content", "package_content", "artifacts", "vnfd", "nsd"):
-                    if item2 in ("vnfd", "nsd"):
+                if item in (
+                    "nsd_content",
+                    "package_content",
+                    "artifacts",
+                    "vnfd",
+                    "nsd",
+                    "nst",
+                    "nst_content",
+                ):
+                    if item in ("vnfd", "nsd", "nst"):
                         path = "$DESCRIPTOR"
                     elif args:
                         path = args
-                    elif item2 == "artifacts":
+                    elif item == "artifacts":
                         path = ()
                     else:
                         path = None
-                    file, _format = self.engine.get_file(session, engine_item, _id, path,
-                                                         cherrypy.request.headers.get("Accept"))
+                    file, _format = self.engine.get_file(
+                        engine_session,
+                        engine_topic,
+                        _id,
+                        path,
+                        cherrypy.request.headers.get("Accept"),
+                    )
                     outdata = file
                 elif not _id:
-                    outdata = self.engine.get_item_list(session, engine_item, kwargs)
+                    outdata = self.engine.get_item_list(
+                        engine_session, engine_topic, kwargs, api_req=True
+                    )
                 else:
-                    outdata = self.engine.get_item(session, engine_item, _id)
+                    if item == "reports":
+                        # TODO check that project_id (_id in this context) has permissions
+                        _id = args[0]
+                    filter_q = None
+                    if "vcaStatusRefresh" in kwargs:
+                        filter_q = {"vcaStatusRefresh": kwargs["vcaStatusRefresh"]}
+                    outdata = self.engine.get_item(engine_session, engine_topic, _id, filter_q, True)
+
             elif method == "POST":
-                if item in ("ns_descriptors_content", "vnf_packages_content"):
+                cherrypy.response.status = HTTPStatus.CREATED.value
+                if topic in (
+                    "ns_descriptors_content",
+                    "vnf_packages_content",
+                    "netslice_templates_content",
+                ):
                     _id = cherrypy.request.headers.get("Transaction-Id")
                     if not _id:
-                        _id = self.engine.new_item(rollback, session, engine_item, {}, None, cherrypy.request.headers,
-                                                   force=force)
-                    completed = self.engine.upload_content(session, engine_item, _id, indata, kwargs,
-                                                           cherrypy.request.headers)
+                        _id, _ = self.engine.new_item(
+                            rollback,
+                            engine_session,
+                            engine_topic,
+                            {},
+                            None,
+                            cherrypy.request.headers,
+                        )
+                    completed = self.engine.upload_content(
+                        engine_session,
+                        engine_topic,
+                        _id,
+                        indata,
+                        kwargs,
+                        cherrypy.request.headers,
+                    )
                     if completed:
-                        self._set_location_header(topic, version, item, _id)
+                        self._set_location_header(main_topic, version, topic, _id)
                     else:
                         cherrypy.response.headers["Transaction-Id"] = _id
                     outdata = {"id": _id}
-                elif item == "ns_instances_content":
-                    _id = self.engine.new_item(rollback, session, engine_item, indata, kwargs, force=force)
-                    self.engine.ns_operation(rollback, session, _id, "instantiate", {}, None)
-                    self._set_location_header(topic, version, item, _id)
+                elif topic == "ns_instances_content":
+                    # creates NSR
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, engine_topic, indata, kwargs
+                    )
+                    # creates nslcmop
+                    indata["lcmOperationType"] = "instantiate"
+                    indata["nsInstanceId"] = _id
+                    nslcmop_id, _ = self.engine.new_item(
+                        rollback, engine_session, "nslcmops", indata, None
+                    )
+                    self._set_location_header(main_topic, version, topic, _id)
+                    outdata = {"id": _id, "nslcmop_id": nslcmop_id}
+                elif topic == "ns_instances" and item:
+                    indata["lcmOperationType"] = item
+                    indata["nsInstanceId"] = _id
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, "nslcmops", indata, kwargs
+                    )
+                    self._set_location_header(
+                        main_topic, version, "ns_lcm_op_occs", _id
+                    )
+                    outdata = {"id": _id}
+                    cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                elif topic == "netslice_instances_content":
+                    # creates NetSlice_Instance_record (NSIR)
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, engine_topic, indata, kwargs
+                    )
+                    self._set_location_header(main_topic, version, topic, _id)
+                    indata["lcmOperationType"] = "instantiate"
+                    indata["netsliceInstanceId"] = _id
+                    nsilcmop_id, _ = self.engine.new_item(
+                        rollback, engine_session, "nsilcmops", indata, kwargs
+                    )
+                    outdata = {"id": _id, "nsilcmop_id": nsilcmop_id}
+                elif topic == "netslice_instances" and item:
+                    indata["lcmOperationType"] = item
+                    indata["netsliceInstanceId"] = _id
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, "nsilcmops", indata, kwargs
+                    )
+                    self._set_location_header(
+                        main_topic, version, "nsi_lcm_op_occs", _id
+                    )
                     outdata = {"id": _id}
-                elif item == "ns_instances" and item2:
-                    _id = self.engine.ns_operation(rollback, session, _id, item2, indata, kwargs)
-                    self._set_location_header(topic, version, "ns_lcm_op_occs", _id)
+                    cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                elif topic == "vnf_packages" and item == "action":
+                    indata["lcmOperationType"] = item
+                    indata["vnfPkgId"] = _id
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, "vnfpkgops", indata, kwargs
+                    )
+                    self._set_location_header(
+                        main_topic, version, "vnfpkg_op_occs", _id
+                    )
                     outdata = {"id": _id}
                     cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                elif topic == "subscriptions":
+                    _id, _ = self.engine.new_item(
+                        rollback, engine_session, engine_topic, indata, kwargs
+                    )
+                    self._set_location_header(main_topic, version, topic, _id)
+                    link = {}
+                    link["self"] = cherrypy.response.headers["Location"]
+                    outdata = {
+                        "id": _id,
+                        "filter": indata["filter"],
+                        "callbackUri": indata["CallbackUri"],
+                        "_links": link,
+                    }
+                    cherrypy.response.status = HTTPStatus.CREATED.value
                 else:
-                    _id = self.engine.new_item(rollback, session, engine_item, indata, kwargs, cherrypy.request.headers,
-                                               force=force)
-                    self._set_location_header(topic, version, item, _id)
+                    _id, op_id = self.engine.new_item(
+                        rollback,
+                        engine_session,
+                        engine_topic,
+                        indata,
+                        kwargs,
+                        cherrypy.request.headers,
+                    )
+                    self._set_location_header(main_topic, version, topic, _id)
                     outdata = {"id": _id}
-                    # TODO form NsdInfo when item in ("ns_descriptors", "vnf_packages")
-                cherrypy.response.status = HTTPStatus.CREATED.value
+                    if op_id:
+                        outdata["op_id"] = op_id
+                        cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                    # TODO form NsdInfo when topic in ("ns_descriptors", "vnf_packages")
 
             elif method == "DELETE":
                 if not _id:
-                    outdata = self.engine.del_item_list(session, engine_item, kwargs)
+                    outdata = self.engine.del_item_list(
+                        engine_session, engine_topic, kwargs
+                    )
                     cherrypy.response.status = HTTPStatus.OK.value
                 else:  # len(args) > 1
-                    if item == "ns_instances_content" and not force:
-                        opp_id = self.engine.ns_operation(rollback, session, _id, "terminate", {"autoremove": True},
-                                                          None)
-                        outdata = {"_id": opp_id}
-                        cherrypy.response.status = HTTPStatus.ACCEPTED.value
-                    else:
-                        self.engine.del_item(session, engine_item, _id, force)
-                        cherrypy.response.status = HTTPStatus.NO_CONTENT.value
-                if engine_item in ("vim_accounts", "sdns"):
-                    cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                    # for NS NSI generate an operation
+                    op_id = None
+                    if topic == "ns_instances_content" and not engine_session["force"]:
+                        nslcmop_desc = {
+                            "lcmOperationType": "terminate",
+                            "nsInstanceId": _id,
+                            "autoremove": True,
+                        }
+                        op_id, _ = self.engine.new_item(
+                            rollback, engine_session, "nslcmops", nslcmop_desc, kwargs
+                        )
+                        if op_id:
+                            outdata = {"_id": op_id}
+                    elif (
+                        topic == "netslice_instances_content"
+                        and not engine_session["force"]
+                    ):
+                        nsilcmop_desc = {
+                            "lcmOperationType": "terminate",
+                            "netsliceInstanceId": _id,
+                            "autoremove": True,
+                        }
+                        op_id, _ = self.engine.new_item(
+                            rollback, engine_session, "nsilcmops", nsilcmop_desc, None
+                        )
+                        if op_id:
+                            outdata = {"_id": op_id}
+                    # if there is not any deletion in process, delete
+                    if not op_id:
+                        op_id = self.engine.del_item(engine_session, engine_topic, _id)
+                        if op_id:
+                            outdata = {"op_id": op_id}
+                    cherrypy.response.status = (
+                        HTTPStatus.ACCEPTED.value
+                        if op_id
+                        else HTTPStatus.NO_CONTENT.value
+                    )
 
             elif method in ("PUT", "PATCH"):
-                if not indata and not kwargs:
-                    raise NbiException("Nothing to update. Provide payload and/or query string",
-                                       HTTPStatus.BAD_REQUEST)
-                if item2 in ("nsd_content", "package_content") and method == "PUT":
-                    completed = self.engine.upload_content(session, engine_item, _id, indata, kwargs,
-                                                           cherrypy.request.headers)
+                op_id = None
+                if not indata and not kwargs and not engine_session.get("set_project"):
+                    raise NbiException(
+                        "Nothing to update. Provide payload and/or query string",
+                        HTTPStatus.BAD_REQUEST,
+                    )
+                if (
+                    item in ("nsd_content", "package_content", "nst_content")
+                    and method == "PUT"
+                ):
+                    completed = self.engine.upload_content(
+                        engine_session,
+                        engine_topic,
+                        _id,
+                        indata,
+                        kwargs,
+                        cherrypy.request.headers,
+                    )
                     if not completed:
                         cherrypy.response.headers["Transaction-Id"] = id
+                else:
+                    op_id = self.engine.edit_item(
+                        engine_session, engine_topic, _id, indata, kwargs
+                    )
+
+                if op_id:
+                    cherrypy.response.status = HTTPStatus.ACCEPTED.value
+                    outdata = {"op_id": op_id}
+                else:
                     cherrypy.response.status = HTTPStatus.NO_CONTENT.value
                     outdata = None
-                else:
-                    outdata = {"id": self.engine.edit_item(session, engine_item, _id, indata, kwargs, force=force)}
             else:
-                raise NbiException("Method {} not allowed".format(method), HTTPStatus.METHOD_NOT_ALLOWED)
-            return self._format_out(outdata, session, _format)
-        except (NbiException, EngineException, DbException, FsException, MsgException) as e:
-            cherrypy.log("Exception {}".format(e))
-            cherrypy.response.status = e.http_code.value
+                raise NbiException(
+                    "Method {} not allowed".format(method),
+                    HTTPStatus.METHOD_NOT_ALLOWED,
+                )
+
+            # if Role information changes, it is needed to reload the information of roles
+            if topic == "roles" and method != "GET":
+                self.authenticator.load_operation_to_allowed_roles()
+
+            if (
+                topic == "projects"
+                and method == "DELETE"
+                or topic in ["users", "roles"]
+                and method in ["PUT", "PATCH", "DELETE"]
+            ):
+                self.authenticator.remove_token_from_cache()
+
+            return self._format_out(outdata, token_info, _format)
+        except Exception as e:
+            if isinstance(
+                e,
+                (
+                    NbiException,
+                    EngineException,
+                    DbException,
+                    FsException,
+                    MsgException,
+                    AuthException,
+                    ValidationError,
+                    AuthconnException,
+                ),
+            ):
+                http_code_value = cherrypy.response.status = e.http_code.value
+                http_code_name = e.http_code.name
+                cherrypy.log("Exception {}".format(e))
+            else:
+                http_code_value = (
+                    cherrypy.response.status
+                ) = HTTPStatus.BAD_REQUEST.value  # INTERNAL_SERVER_ERROR
+                cherrypy.log("CRITICAL: Exception {}".format(e), traceback=True)
+                http_code_name = HTTPStatus.BAD_REQUEST.name
             if hasattr(outdata, "close"):  # is an open file
                 outdata.close()
+            error_text = str(e)
+            rollback.reverse()
             for rollback_item in rollback:
                 try:
-                    self.engine.del_item(**rollback_item, session=session, force=True)
+                    if rollback_item.get("operation") == "set":
+                        self.engine.db.set_one(
+                            rollback_item["topic"],
+                            {"_id": rollback_item["_id"]},
+                            rollback_item["content"],
+                            fail_on_empty=False,
+                        )
+                    elif rollback_item.get("operation") == "del_list":
+                        self.engine.db.del_list(
+                            rollback_item["topic"],
+                            rollback_item["filter"],
+                            fail_on_empty=False,
+                        )
+                    else:
+                        self.engine.db.del_one(
+                            rollback_item["topic"],
+                            {"_id": rollback_item["_id"]},
+                            fail_on_empty=False,
+                        )
                 except Exception as e2:
-                    cherrypy.log("Rollback Exception {}: {}".format(rollback_item, e2))
-            error_text = str(e)
-            if isinstance(e, MsgException):
-                error_text = "{} has been '{}' but other modules cannot be informed because an error on bus".format(
-                    engine_item[:-1], method, error_text)
+                    rollback_error_text = "Rollback Exception {}: {}".format(
+                        rollback_item, e2
+                    )
+                    cherrypy.log(rollback_error_text)
+                    error_text += ". " + rollback_error_text
+            # if isinstance(e, MsgException):
+            #     error_text = "{} has been '{}' but other modules cannot be informed because an error on bus".format(
+            #         engine_topic[:-1], method, error_text)
             problem_details = {
-                "code": e.http_code.name,
-                "status": e.http_code.value,
-                "detail": str(e),
+                "code": http_code_name,
+                "status": http_code_value,
+                "detail": error_text,
             }
-            return self._format_out(problem_details, session)
+            return self._format_out(problem_details, token_info)
             # raise cherrypy.HTTPError(e.http_code.value, str(e))
-
-
-# def validate_password(realm, username, password):
-#     cherrypy.log("realm "+ str(realm))
-#     if username == "admin" and password == "admin":
-#         return True
-#     return False
+        finally:
+            if token_info:
+                self._format_login(token_info)
+                if method in ("PUT", "PATCH", "POST") and isinstance(outdata, dict):
+                    for logging_id in ("id", "op_id", "nsilcmop_id", "nslcmop_id"):
+                        if outdata.get(logging_id):
+                            cherrypy.request.login += ";{}={}".format(
+                                logging_id, outdata[logging_id][:36]
+                            )
 
 
 def _start_service():
@@ -779,11 +1598,13 @@ def _start_service():
     Set database, storage, message configuration
     Init database with admin/admin user password
     """
+    global nbi_server
+    global subscription_thread
     cherrypy.log.error("Starting osm_nbi")
     # update general cherrypy configuration
     update_dict = {}
 
-    engine_config = cherrypy.tree.apps['/osm'].config
+    engine_config = cherrypy.tree.apps["/osm"].config
     for k, v in environ.items():
         if not k.startswith("OSMNBI_"):
             continue
@@ -792,21 +1613,22 @@ def _start_service():
             continue
         try:
             # update static configuration
-            if k == 'OSMNBI_STATIC_DIR':
-                engine_config["/static"]['tools.staticdir.dir'] = v
-                engine_config["/static"]['tools.staticdir.on'] = True
-            elif k == 'OSMNBI_SOCKET_PORT' or k == 'OSMNBI_SERVER_PORT':
-                update_dict['server.socket_port'] = int(v)
-            elif k == 'OSMNBI_SOCKET_HOST' or k == 'OSMNBI_SERVER_HOST':
-                update_dict['server.socket_host'] = v
+            if k == "OSMNBI_STATIC_DIR":
+                engine_config["/static"]["tools.staticdir.dir"] = v
+                engine_config["/static"]["tools.staticdir.on"] = True
+            elif k == "OSMNBI_SOCKET_PORT" or k == "OSMNBI_SERVER_PORT":
+                update_dict["server.socket_port"] = int(v)
+            elif k == "OSMNBI_SOCKET_HOST" or k == "OSMNBI_SERVER_HOST":
+                update_dict["server.socket_host"] = v
             elif k1 in ("server", "test", "auth", "log"):
-                update_dict[k1 + '.' + k2] = v
-            elif k1 in ("message", "database", "storage"):
+                update_dict[k1 + "." + k2] = v
+            elif k1 in ("message", "database", "storage", "authentication"):
                 # k2 = k2.replace('_', '.')
-                if k2 == "port":
+                if k2 in ("port", "db_port"):
                     engine_config[k1][k2] = int(v)
                 else:
                     engine_config[k1][k2] = v
+
         except ValueError as e:
             cherrypy.log.error("Ignoring environ '{}': " + str(e))
         except Exception as e:
@@ -817,52 +1639,79 @@ def _start_service():
         engine_config["global"].update(update_dict)
 
     # logging cherrypy
-    log_format_simple = "%(asctime)s %(levelname)s %(name)s %(filename)s:%(lineno)s %(message)s"
-    log_formatter_simple = logging.Formatter(log_format_simple, datefmt='%Y-%m-%dT%H:%M:%S')
+    log_format_simple = (
+        "%(asctime)s %(levelname)s %(name)s %(filename)s:%(lineno)s %(message)s"
+    )
+    log_formatter_simple = logging.Formatter(
+        log_format_simple, datefmt="%Y-%m-%dT%H:%M:%S"
+    )
     logger_server = logging.getLogger("cherrypy.error")
     logger_access = logging.getLogger("cherrypy.access")
     logger_cherry = logging.getLogger("cherrypy")
     logger_nbi = logging.getLogger("nbi")
 
     if "log.file" in engine_config["global"]:
-        file_handler = logging.handlers.RotatingFileHandler(engine_config["global"]["log.file"],
-                                                            maxBytes=100e6, backupCount=9, delay=0)
+        file_handler = logging.handlers.RotatingFileHandler(
+            engine_config["global"]["log.file"], maxBytes=100e6, backupCount=9, delay=0
+        )
         file_handler.setFormatter(log_formatter_simple)
         logger_cherry.addHandler(file_handler)
         logger_nbi.addHandler(file_handler)
-    else:
-        for format_, logger in {"nbi.server": logger_server,
-                                "nbi.access": logger_access,
-                                "%(name)s %(filename)s:%(lineno)s": logger_nbi
-                                }.items():
-            log_format_cherry = "%(asctime)s %(levelname)s {} %(message)s".format(format_)
-            log_formatter_cherry = logging.Formatter(log_format_cherry, datefmt='%Y-%m-%dT%H:%M:%S')
-            str_handler = logging.StreamHandler()
-            str_handler.setFormatter(log_formatter_cherry)
-            logger.addHandler(str_handler)
+    # log always to standard output
+    for format_, logger in {
+        "nbi.server %(filename)s:%(lineno)s": logger_server,
+        "nbi.access %(filename)s:%(lineno)s": logger_access,
+        "%(name)s %(filename)s:%(lineno)s": logger_nbi,
+    }.items():
+        log_format_cherry = "%(asctime)s %(levelname)s {} %(message)s".format(format_)
+        log_formatter_cherry = logging.Formatter(
+            log_format_cherry, datefmt="%Y-%m-%dT%H:%M:%S"
+        )
+        str_handler = logging.StreamHandler()
+        str_handler.setFormatter(log_formatter_cherry)
+        logger.addHandler(str_handler)
 
     if engine_config["global"].get("log.level"):
         logger_cherry.setLevel(engine_config["global"]["log.level"])
         logger_nbi.setLevel(engine_config["global"]["log.level"])
 
     # logging other modules
-    for k1, logname in {"message": "nbi.msg", "database": "nbi.db", "storage": "nbi.fs"}.items():
+    for k1, logname in {
+        "message": "nbi.msg",
+        "database": "nbi.db",
+        "storage": "nbi.fs",
+    }.items():
         engine_config[k1]["logger_name"] = logname
         logger_module = logging.getLogger(logname)
         if "logfile" in engine_config[k1]:
-            file_handler = logging.handlers.RotatingFileHandler(engine_config[k1]["logfile"],
-                                                                maxBytes=100e6, backupCount=9, delay=0)
+            file_handler = logging.handlers.RotatingFileHandler(
+                engine_config[k1]["logfile"], maxBytes=100e6, backupCount=9, delay=0
+            )
             file_handler.setFormatter(log_formatter_simple)
             logger_module.addHandler(file_handler)
         if "loglevel" in engine_config[k1]:
             logger_module.setLevel(engine_config[k1]["loglevel"])
     # TODO add more entries, e.g.: storage
-    cherrypy.tree.apps['/osm'].root.engine.start(engine_config)
-    try:
-        cherrypy.tree.apps['/osm'].root.engine.init_db(target_version=database_version)
-    except EngineException:
-        pass
-    # getenv('OSMOPENMANO_TENANT', None)
+    cherrypy.tree.apps["/osm"].root.engine.start(engine_config)
+    cherrypy.tree.apps["/osm"].root.authenticator.start(engine_config)
+    cherrypy.tree.apps["/osm"].root.engine.init_db(target_version=database_version)
+    cherrypy.tree.apps["/osm"].root.authenticator.init_db(
+        target_version=auth_database_version
+    )
+
+    # start subscriptions thread:
+    subscription_thread = SubscriptionThread(
+        config=engine_config, engine=nbi_server.engine
+    )
+    subscription_thread.start()
+    # Do not capture except SubscriptionException
+
+    backend = engine_config["authentication"]["backend"]
+    cherrypy.log.error(
+        "Starting OSM NBI Version '{} {}' with '{}' authentication backend".format(
+            nbi_version, nbi_version_date, backend
+        )
+    )
 
 
 def _stop_service():
@@ -870,11 +1719,16 @@ def _stop_service():
     Callback function called when cherrypy.engine stops
     TODO: Ending database connections.
     """
-    cherrypy.tree.apps['/osm'].root.engine.stop()
+    global subscription_thread
+    if subscription_thread:
+        subscription_thread.terminate()
+    subscription_thread = None
+    cherrypy.tree.apps["/osm"].root.engine.stop()
     cherrypy.log.error("Stopping osm_nbi")
 
 
 def nbi(config_file):
+    global nbi_server
     # conf = {
     #     '/': {
     #         #'request.dispatch': cherrypy.dispatch.MethodDispatcher(),
@@ -892,21 +1746,26 @@ def nbi(config_file):
     # cherrypy.config.update({'tools.auth_basic.on': True,
     #    'tools.auth_basic.realm': 'localhost',
     #    'tools.auth_basic.checkpassword': validate_password})
-    cherrypy.engine.subscribe('start', _start_service)
-    cherrypy.engine.subscribe('stop', _stop_service)
-    cherrypy.quickstart(Server(), '/osm', config_file)
+    nbi_server = Server()
+    cherrypy.engine.subscribe("start", _start_service)
+    cherrypy.engine.subscribe("stop", _stop_service)
+    cherrypy.quickstart(nbi_server, "/osm", config_file)
 
 
 def usage():
-    print("""Usage: {} [options]
+    print(
+        """Usage: {} [options]
         -c|--config [configuration_file]: loads the configuration file (default: ./nbi.cfg)
         -h|--help: shows this help
-        """.format(sys.argv[0]))
+        """.format(
+            sys.argv[0]
+        )
+    )
     # --log-socket-host HOST: send logs to this host")
     # --log-socket-port PORT: send logs using this port (default: 9022)")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     try:
         # load parameters and configuration
         opts, args = getopt.getopt(sys.argv[1:], "hvc:", ["config=", "help"])
@@ -928,14 +1787,24 @@ if __name__ == '__main__':
                 assert False, "Unhandled option"
         if config_file:
             if not path.isfile(config_file):
-                print("configuration file '{}' that not exist".format(config_file), file=sys.stderr)
+                print(
+                    "configuration file '{}' that not exist".format(config_file),
+                    file=sys.stderr,
+                )
                 exit(1)
         else:
-            for config_file in (__file__[:__file__.rfind(".")] + ".cfg", "./nbi.cfg", "/etc/osm/nbi.cfg"):
+            for config_file in (
+                __file__[: __file__.rfind(".")] + ".cfg",
+                "./nbi.cfg",
+                "/etc/osm/nbi.cfg",
+            ):
                 if path.isfile(config_file):
                     break
             else:
-                print("No configuration file 'nbi.cfg' found neither at local folder nor at /etc/osm/", file=sys.stderr)
+                print(
+                    "No configuration file 'nbi.cfg' found neither at local folder nor at /etc/osm/",
+                    file=sys.stderr,
+                )
                 exit(1)
         nbi(config_file)
     except getopt.GetoptError as e: