Clean the code

Change-Id: If508aa1ac6fd439dc6da916868b60adfce3dd72d

12 files changed, 367 insertions, 401 deletions

diff --git a/python_moonutilities/Changelog b/python_moonutilities/Changelog
index dd441427..91f09cbf 100644
--- a/python_moonutilities/Changelog
+++ b/python_moonutilities/Changelog
@@ -70,3 +70,7 @@ CHANGES
 1.4.3
 -----
 - Fix a bug in MANIFEST.in
+
+1.4.4
+-----
+- Code cleaning
diff --git a/python_moonutilities/python_moonutilities/__init__.py b/python_moonutilities/python_moonutilities/__init__.py
index fb899fe2..6d1ac746 100644
--- a/python_moonutilities/python_moonutilities/__init__.py
+++ b/python_moonutilities/python_moonutilities/__init__.py
@@ -3,4 +3,6 @@
 # license which can be found in the file 'LICENSE' in this package distribution
 # or at 'http://www.apache.org/licenses/LICENSE-2.0'.
 
-__version__ = "1.4.3"
+__version__ = "1.4.4"
+
+
diff --git a/python_moonutilities/python_moonutilities/api.py b/python_moonutilities/python_moonutilities/api.py
deleted file mode 100644
index 8e80c21d..00000000
--- a/python_moonutilities/python_moonutilities/api.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
-# This software is distributed under the terms and conditions of the 'Apache-2.0'
-# license which can be found in the file 'LICENSE' in this package distribution
-# or at 'http://www.apache.org/licenses/LICENSE-2.0'.
-
-
-class APIList(object):
-
-    API_LIST = ()
-
-    def __init__(self, api_list):
-        self.API_LIST = api_list
-
-    def list_api(self, ctx):
-        api = dict()
-        for obj in self.API_LIST:
-            api[obj.__name__] = dict()
-            api[obj.__name__]["description"] = obj.__doc__.strip() if obj.__doc__ else ""
-            api[obj.__name__]["version"] = obj.__version__
-            api[obj.__name__]["commands"] = dict()
-            for cmd in filter(lambda x: not x.startswith("__"), dir(obj)):
-                doc = eval("obj.{}.__doc__".format(cmd))
-                if not doc:
-                    doc = ""
-                api[obj.__name__]["commands"][cmd] = doc.strip()
-        return api
-
-
diff --git a/python_moonutilities/python_moonutilities/auth.py b/python_moonutilities/python_moonutilities/auth.py
index 7656f4e7..5f921d0b 100644
--- a/python_moonutilities/python_moonutilities/auth.py
+++ b/python_moonutilities/python_moonutilities/auth.py
@@ -12,7 +12,7 @@ from oslo_log import log as logging
 from python_moonutilities import exceptions, configuration
 
 
-LOG = logging.getLogger(__name__)
+logger = logging.getLogger(__name__)
 KEYSTONE_CONFIG = configuration.get_configuration("openstack/keystone")["openstack/keystone"]
 TOKENS = {}
 
@@ -52,13 +52,13 @@ def check_token(token, url=None):
                 TOKENS[token]["expires_at"] = time.strptime(token_time[0], "%Y-%m-%dT%H:%M:%S")
                 TOKENS[token]["user"] = req.json().get("token").get("user").get("id")
                 return TOKENS[token]["user"]
-            LOG.error("{} - {}".format(req.status_code, req.text))
+            logger.error("{} - {}".format(req.status_code, req.text))
             raise exceptions.KeystoneError
     elif KEYSTONE_CONFIG['check_token'].lower() == "strict":
         req = requests.head("{}/auth/tokens".format(url), headers=headers, verify=_verify)
         if req.status_code in (200, 201):
             return token
-        LOG.error("{} - {}".format(req.status_code, req.text))
+        logger.error("{} - {}".format(req.status_code, req.text))
         raise exceptions.KeystoneError
     raise exceptions.KeystoneError
 
diff --git a/python_moonutilities/python_moonutilities/cache.py b/python_moonutilities/python_moonutilities/cache.py
index 93e3daca..49f1dd53 100644
--- a/python_moonutilities/python_moonutilities/cache.py
+++ b/python_moonutilities/python_moonutilities/cache.py
@@ -4,7 +4,7 @@ import requests
 from uuid import uuid4
 from python_moonutilities import configuration, exceptions
 
-LOG = logging.getLogger("moon.utilities.cache")
+logger = logging.getLogger("moon.utilities.cache")
 
 
 class Cache(object):
@@ -174,12 +174,12 @@ class Cache(object):
 
     def __update_rules(self):
         for policy_id in self.__POLICIES:
-            LOG.info("Get {}".format("{}/policies/{}/rules".format(
+            logger.info("Get {}".format("{}/policies/{}/rules".format(
                 self.manager_url, policy_id)))
             req = requests.get("{}/policies/{}/rules".format(
                 self.manager_url, policy_id))
             self.__RULES[policy_id] = req.json()['rules']
-        LOG.info("UPDATE RULES {}".format(self.__RULES))
+        logger.info("UPDATE RULES {}".format(self.__RULES))
 
     # assignment functions
 
@@ -509,7 +509,7 @@ class Cache(object):
                     continue
                 self.__update_container_chaining(value["keystone_project_id"])
         self.__CONTAINER_CHAINING_UPDATE = current_time
-        LOG.info(self.__CONTAINER_CHAINING_UPDATE)
+        logger.info(self.__CONTAINER_CHAINING_UPDATE)
         return self.__CONTAINER_CHAINING
 
     def __update_container_chaining(self, keystone_project_id):
@@ -527,7 +527,7 @@ class Cache(object):
                                 _raw = requests.get("{}/pods/{}".format(
                                     self.orchestrator_url, container_value["name"])
                                 )
-                                LOG.debug("_raw={}".format(_raw.text))
+                                logger.debug("_raw={}".format(_raw.text))
                                 container_ids.append(
                                     {
                                         "container_id": container_value["name"],
diff --git a/python_moonutilities/python_moonutilities/configuration.py b/python_moonutilities/python_moonutilities/configuration.py
index f0ef74a6..51587582 100644
--- a/python_moonutilities/python_moonutilities/configuration.py
+++ b/python_moonutilities/python_moonutilities/configuration.py
@@ -7,11 +7,10 @@
 import base64
 import json
 import requests
-import logging
 import logging.config
 from python_moonutilities import exceptions
 
-LOG = logging.getLogger("moon.utilities")
+logger = logging.getLogger("moon.utilities.configuration")
 
 CONSUL_HOST = "consul"
 CONSUL_PORT = "8500"
@@ -33,7 +32,7 @@ def increment_port():
     url = "http://{}:{}/v1/kv/components_port_start".format(CONSUL_HOST, CONSUL_PORT)
     req = requests.put(url, json=str(components_port_start))
     if req.status_code != 200:
-        LOG.info("url={}".format(url))
+        logger.info("url={}".format(url))
         raise exceptions.ConsulError
     return components_port_start
 
@@ -42,7 +41,7 @@ def get_configuration(key):
     url = "http://{}:{}/v1/kv/{}".format(CONSUL_HOST, CONSUL_PORT, key)
     req = requests.get(url)
     if req.status_code != 200:
-        LOG.error("url={}".format(url))
+        logger.error("url={}".format(url))
         raise exceptions.ConsulComponentNotFound("error={}: {}".format(req.status_code, req.text))
     data = req.json()
     if len(data) == 1:
@@ -70,18 +69,18 @@ def add_component(name, uuid, port=None, bind="127.0.0.1", keystone_id="", extra
         json=data
     )
     if req.status_code != 200:
-        LOG.debug("url={}".format("http://{}:{}/v1/kv/components/{}".format(CONSUL_HOST, CONSUL_PORT, uuid)))
-        LOG.debug("data={}".format(data))
+        logger.debug("url={}".format("http://{}:{}/v1/kv/components/{}".format(CONSUL_HOST, CONSUL_PORT, uuid)))
+        logger.debug("data={}".format(data))
         raise exceptions.ConsulError
-    LOG.info("Add component {}".format(req.text))
-    return get_configuration("components/"+uuid)
+    logger.info("Add component {}".format(req.text))
+    return configuration.get_configuration("components/"+uuid)
 
 
 def get_plugins():
     url = "http://{}:{}/v1/kv/plugins?recurse=true".format(CONSUL_HOST, CONSUL_PORT)
     req = requests.get(url)
     if req.status_code != 200:
-        LOG.info("url={}".format(url))
+        logger.info("url={}".format(url))
         raise exceptions.ConsulError
     data = req.json()
     if len(data) == 1:
@@ -98,7 +97,7 @@ def get_components():
     url = "http://{}:{}/v1/kv/components?recurse=true".format(CONSUL_HOST, CONSUL_PORT)
     req = requests.get(url)
     if req.status_code != 200:
-        LOG.info("url={}".format(url))
+        logger.info("url={}".format(url))
         raise exceptions.ConsulError
     data = req.json()
     if len(data) == 1:
diff --git a/python_moonutilities/python_moonutilities/context.py b/python_moonutilities/python_moonutilities/context.py
new file mode 100644
index 00000000..626b25dc
--- /dev/null
+++ b/python_moonutilities/python_moonutilities/context.py
@@ -0,0 +1,319 @@
+# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
+# This software is distributed under the terms and conditions of the 'Apache-2.0'
+# license which can be found in the file 'LICENSE' in this package distribution
+# or at 'http://www.apache.org/licenses/LICENSE-2.0'.
+
+
+import copy
+import logging
+from python_moonutilities import exceptions
+
+logger = logging.getLogger("moon.utilities." + __name__)
+
+
+class Context:
+
+    def __init__(self, init_context, cache):
+        self.cache = cache
+        self.__keystone_project_id = init_context.get("project_id")
+        self.__pdp_id = None
+        self.__pdp_value = None
+        for _pdp_key, _pdp_value in self.cache.pdp.items():
+            if _pdp_value["keystone_project_id"] == self.__keystone_project_id:
+                self.__pdp_id = _pdp_key
+                self.__pdp_value = copy.deepcopy(_pdp_value)
+                break
+        if not self.__pdp_value:
+            raise exceptions.AuthzException(
+                "Cannot create context for authz "
+                "with Keystone project ID {}".format(
+                    self.__keystone_project_id
+            ))
+        self.__subject = init_context.get("subject_name")
+        self.__object = init_context.get("object_name")
+        self.__action = init_context.get("action_name")
+        self.__current_request = None
+        self.__request_id = init_context.get("req_id")
+        self.__cookie = init_context.get("cookie")
+        self.__manager_url = init_context.get("manager_url")
+        self.__interface_name = init_context.get("interface_name")
+        self.__index = -1
+        # self.__init_initial_request()
+        self.__headers = []
+        policies = self.cache.policies
+        models = self.cache.models
+        for policy_id in self.__pdp_value["security_pipeline"]:
+            model_id = policies[policy_id]["model_id"]
+            for meta_rule in models[model_id]["meta_rules"]:
+                self.__headers.append(meta_rule)
+        self.__meta_rules = self.cache.meta_rules
+        self.__pdp_set = {}
+        # self.__init_pdp_set()
+
+    def delete_cache(self):
+        self.cache = {}
+
+    def set_cache(self, cache):
+        self.cache = cache
+
+    def increment_index(self):
+        self.__index += 1
+        self.__init_current_request()
+        self.__init_pdp_set()
+
+    @property
+    def current_state(self):
+        return self.__pdp_set[self.__headers[self.__index]]['effect']
+
+    @current_state.setter
+    def current_state(self, state):
+        if state not in ("grant", "deny", "passed"):
+            state = "passed"
+        self.__pdp_set[self.__headers[self.__index]]['effect'] = state
+
+    @current_state.deleter
+    def current_state(self):
+        self.__pdp_set[self.__headers[self.__index]]['effect'] = "unset"
+
+    @property
+    def current_policy_id(self):
+        return self.__pdp_value["security_pipeline"][self.__index]
+
+    @current_policy_id.setter
+    def current_policy_id(self, value):
+        pass
+
+    @current_policy_id.deleter
+    def current_policy_id(self):
+        pass
+
+    def __init_current_request(self):
+        self.__subject = self.cache.get_subject(
+            self.__pdp_value["security_pipeline"][self.__index],
+            self.__subject)
+        self.__object = self.cache.get_object(
+            self.__pdp_value["security_pipeline"][self.__index],
+            self.__object)
+        self.__action = self.cache.get_action(
+            self.__pdp_value["security_pipeline"][self.__index],
+            self.__action)
+        self.__current_request = dict(self.initial_request)
+
+    def __init_pdp_set(self):
+        for header in self.__headers:
+            self.__pdp_set[header] = dict()
+            self.__pdp_set[header]["meta_rules"] = self.__meta_rules[header]
+            self.__pdp_set[header]["target"] = self.__add_target(header)
+            self.__pdp_set[header]["effect"] = "unset"
+        self.__pdp_set["effect"] = "deny"
+
+    # def update_target(self, context):
+    #     # result = dict()
+    #     current_request = context['current_request']
+    #     _subject = current_request.get("subject")
+    #     _object = current_request.get("object")
+    #     _action = current_request.get("action")
+    #     meta_rule_id = context['headers'][context['index']]
+    #     policy_id = self.cache.get_policy_from_meta_rules(meta_rule_id)
+    #     meta_rules = self.cache.meta_rules()
+    #     # for meta_rule_id in meta_rules:
+    #     for sub_cat in meta_rules[meta_rule_id]['subject_categories']:
+    #         if sub_cat not in context["pdp_set"][meta_rule_id]["target"]:
+    #             context["pdp_set"][meta_rule_id]["target"][sub_cat] = []
+    #         for assign in self.cache.get_subject_assignments(policy_id, _subject, sub_cat).values():
+    #             for assign in assign["assignments"]:
+    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][sub_cat]:
+    #                     context["pdp_set"][meta_rule_id]["target"][sub_cat].append(assign)
+    #     for obj_cat in meta_rules[meta_rule_id]['object_categories']:
+    #         if obj_cat not in context["pdp_set"][meta_rule_id]["target"]:
+    #             context["pdp_set"][meta_rule_id]["target"][obj_cat] = []
+    #         for assign in self.cache.get_object_assignments(policy_id, _object, obj_cat).values():
+    #             for assign in assign["assignments"]:
+    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][obj_cat]:
+    #                     context["pdp_set"][meta_rule_id]["target"][obj_cat].append(assign)
+    #     for act_cat in meta_rules[meta_rule_id]['action_categories']:
+    #         if act_cat not in context["pdp_set"][meta_rule_id]["target"]:
+    #             context["pdp_set"][meta_rule_id]["target"][act_cat] = []
+    #         for assign in self.cache.get_action_assignments(policy_id, _action, act_cat).values():
+    #             for assign in assign["assignments"]:
+    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][act_cat]:
+    #                     context["pdp_set"][meta_rule_id]["target"][act_cat].append(assign)
+    #     # context["pdp_set"][meta_rule_id]["target"].update(result)
+
+    def __add_target(self, meta_rule_id):
+        """build target from meta_rule
+
+        Target is dict of categories as keys ; and the value of each category
+        will be a list of assignments
+
+        """
+        result = dict()
+        _subject = self.__current_request["subject"]
+        _object = self.__current_request["object"]
+        _action = self.__current_request["action"]
+        meta_rules = self.cache.meta_rules
+        policy_id = self.cache.get_policy_from_meta_rules(meta_rule_id)
+        for sub_cat in meta_rules[meta_rule_id]['subject_categories']:
+            if sub_cat not in result:
+                result[sub_cat] = []
+            result[sub_cat].extend(
+                self.cache.get_subject_assignments(policy_id, _subject, sub_cat))
+        for obj_cat in meta_rules[meta_rule_id]['object_categories']:
+            if obj_cat not in result:
+                result[obj_cat] = []
+            result[obj_cat].extend(
+                self.cache.get_object_assignments(policy_id, _object, obj_cat))
+        for act_cat in meta_rules[meta_rule_id]['action_categories']:
+            if act_cat not in result:
+                result[act_cat] = []
+            result[act_cat].extend(
+                self.cache.get_action_assignments(policy_id, _action, act_cat))
+        return result
+
+    def __repr__(self):
+        return """PDP ID: {id}
+current_request: {current_request}
+request_id: {request_id}
+index: {index}
+headers: {headers}
+pdp_set: {pdp_set}
+        """.format(
+            id=self.__pdp_id,
+            current_request=self.__current_request,
+            request_id=self.__request_id,
+            headers=self.__headers,
+            pdp_set=self.__pdp_set,
+            index=self.__index
+        )
+
+    def to_dict(self):
+        return {
+            "initial_request": copy.deepcopy(self.initial_request),
+            "current_request": copy.deepcopy(self.__current_request),
+            "headers": copy.deepcopy(self.__headers),
+            "index": copy.deepcopy(self.__index),
+            "pdp_set": copy.deepcopy(self.__pdp_set),
+            "request_id": copy.deepcopy(self.__request_id),
+            "manager_url": copy.deepcopy(self.__manager_url),
+            "interface_name": copy.deepcopy(self.__interface_name),
+        }
+
+    @property
+    def request_id(self):
+        return self.__request_id
+
+    @request_id.setter
+    def request_id(self, value):
+        raise Exception("You cannot update the request_id")
+
+    @request_id.deleter
+    def request_id(self):
+        raise Exception("You cannot update the request_id")
+
+    @property
+    def manager_url(self):
+        return self.__manager_url
+
+    @manager_url.setter
+    def manager_url(self, value):
+        raise Exception("You cannot update the manager_url")
+
+    @manager_url.deleter
+    def manager_url(self):
+        raise Exception("You cannot update the manager_url")
+
+    @property
+    def interface_name(self):
+        return self.__interface_name
+
+    @interface_name.setter
+    def interface_name(self, value):
+        raise Exception("You cannot update the interface_name")
+
+    @interface_name.deleter
+    def interface_name(self):
+        raise Exception("You cannot update the interface_name")
+
+    @property
+    def cookie(self):
+        return self.__cookie
+
+    @cookie.setter
+    def cookie(self, value):
+        raise Exception("You cannot update the cookie")
+
+    @cookie.deleter
+    def cookie(self):
+        raise Exception("You cannot delete the cookie")
+
+    @property
+    def initial_request(self):
+        return {
+            "subject": self.__subject,
+            "object": self.__object,
+            "action": self.__action,
+        }
+
+    @initial_request.setter
+    def initial_request(self, value):
+        raise Exception("You are not allowed to update the initial_request")
+
+    @initial_request.deleter
+    def initial_request(self):
+        raise Exception("You are not allowed to delete the initial_request")
+
+    @property
+    def current_request(self):
+        if not self.__current_request:
+            self.__current_request = copy.deepcopy(self.initial_request)
+        return self.__current_request
+
+    @current_request.setter
+    def current_request(self, value):
+        self.__current_request = copy.deepcopy(value)
+        # Note (asteroide): if the current request is modified,
+        # we must update the PDP Set.
+        self.__init_pdp_set()
+
+    @current_request.deleter
+    def current_request(self):
+        self.__current_request = {}
+        self.__pdp_set = {}
+
+    @property
+    def headers(self):
+        return self.__headers
+
+    @headers.setter
+    def headers(self, headers):
+        self.__headers = headers
+
+    @headers.deleter
+    def headers(self):
+        self.__headers = list()
+
+    @property
+    def index(self):
+        return self.__index
+
+    @index.setter
+    def index(self, index):
+        self.__index += 1
+
+    @index.deleter
+    def index(self):
+        self.__index = -1
+
+    @property
+    def pdp_set(self):
+        return self.__pdp_set
+
+    @pdp_set.setter
+    def pdp_set(self, value):
+        raise Exception("You are not allowed to modify the pdp_set")
+
+    @pdp_set.deleter
+    def pdp_set(self):
+        self.__pdp_set = {}
+
+
diff --git a/python_moonutilities/python_moonutilities/exceptions.py b/python_moonutilities/python_moonutilities/exceptions.py
index dab398cf..f14d6abf 100644
--- a/python_moonutilities/python_moonutilities/exceptions.py
+++ b/python_moonutilities/python_moonutilities/exceptions.py
@@ -6,7 +6,7 @@
 from oslo_log import log as logging
 from werkzeug.exceptions import HTTPException
 
-LOG = logging.getLogger("moon.utilities.exceptions")
+logger = logging.getLogger("moon.utilities.exceptions")
 _ = str
 
 
@@ -40,30 +40,30 @@ class MoonError(HTTPException):
         message = "{} ({}) {}".format(self.hierarchy, self.description, self.payload)
         if self.logger == "ERROR":
             try:
-                LOG.error(message)
+                logger.error(message)
             except AttributeError:
-                LOG.error(message)
+                logger.error(message)
         elif self.logger == "WARNING":
             try:
-                LOG.warning(message)
+                logger.warning(message)
             except AttributeError:
-                LOG.warning(message)
+                logger.warning(message)
         elif self.logger == "CRITICAL":
             try:
-                LOG.critical(message)
+                logger.critical(message)
             except AttributeError:
-                LOG.critical(message)
+                logger.critical(message)
         elif self.logger == "AUTHZ":
             try:
-                LOG.authz(self.hierarchy)
-                LOG.error(message)
+                logger.authz(self.hierarchy)
+                logger.error(message)
             except AttributeError:
-                LOG.error(message)
+                logger.error(message)
         else:
             try:
-                LOG.info(message)
+                logger.info(message)
             except AttributeError:
-                LOG.info(message)
+                logger.info(message)
 
     # def to_dict(self):
     #     rv = dict(self.payload or ())
diff --git a/python_moonutilities/python_moonutilities/misc.py b/python_moonutilities/python_moonutilities/misc.py
index b83523c3..1db4d7cd 100644
--- a/python_moonutilities/python_moonutilities/misc.py
+++ b/python_moonutilities/python_moonutilities/misc.py
@@ -7,33 +7,7 @@
 import logging
 import random
 
-LOG = logging.getLogger(__name__)
-
-
-def get_uuid_from_name(name, elements, **kwargs):
-    for element in elements:
-        if type(elements[element]) is dict and elements[element].get('name') == name:
-            if kwargs:
-                for args in kwargs:
-                    if elements[element].get(args) != kwargs[args]:
-                        return
-                else:
-                    return element
-            else:
-                return element
-
-
-def get_name_from_uuid(uuid, elements, **kwargs):
-    for element in elements:
-        if element == uuid:
-            if kwargs:
-                for args in kwargs:
-                    if elements[element].get(args) != kwargs[args]:
-                        return
-                else:
-                    return elements[element].get('name')
-            else:
-                return elements[element].get('name')
+logger = logging.getLogger("moon.utilities.misc")
 
 
 def get_random_name():
diff --git a/python_moonutilities/python_moonutilities/security_functions.py b/python_moonutilities/python_moonutilities/security_functions.py
index 6d9307fe..15cbc8be 100644
--- a/python_moonutilities/python_moonutilities/security_functions.py
+++ b/python_moonutilities/python_moonutilities/security_functions.py
@@ -4,7 +4,6 @@
 # or at 'http://www.apache.org/licenses/LICENSE-2.0'.
 
 
-import copy
 import re
 import os
 import types
@@ -15,7 +14,7 @@ from flask import request
 import logging
 from python_moonutilities import exceptions, configuration
 
-LOG = logging.getLogger("moon.utilities." + __name__)
+logger = logging.getLogger("moon.utilities." + __name__)
 
 keystone_config = configuration.get_configuration("openstack/keystone")["openstack/keystone"]
 TOKENS = {}
@@ -145,9 +144,9 @@ def login(user=None, password=None, domain=None, project=None, url=None):
         if req.status_code in (200, 201, 204):
             headers['X-Auth-Token'] = req.headers['X-Subject-Token']
             return headers
-        LOG.warning("Waiting for Keystone...")
+        logger.warning("Waiting for Keystone...")
         if time.time() - start_time == 100:
-            LOG.error(req.text)
+            logger.error(req.text)
             raise exceptions.KeystoneError
         time.sleep(5)
 
@@ -159,316 +158,10 @@ def logout(headers, url=None):
     req = requests.delete("{}/auth/tokens".format(url), headers=headers, verify=keystone_config['certificate'])
     if req.status_code in (200, 201, 204):
         return
-    LOG.error(req.text)
+    logger.error(req.text)
     raise exceptions.KeystoneError
 
 
-class Context:
-
-    def __init__(self, init_context, cache):
-        self.cache = cache
-        self.__keystone_project_id = init_context.get("project_id")
-        self.__pdp_id = None
-        self.__pdp_value = None
-        for _pdp_key, _pdp_value in self.cache.pdp.items():
-            if _pdp_value["keystone_project_id"] == self.__keystone_project_id:
-                self.__pdp_id = _pdp_key
-                self.__pdp_value = copy.deepcopy(_pdp_value)
-                break
-        if not self.__pdp_value:
-            raise exceptions.AuthzException(
-                "Cannot create context for authz "
-                "with Keystone project ID {}".format(
-                    self.__keystone_project_id
-            ))
-        self.__subject = init_context.get("subject_name")
-        self.__object = init_context.get("object_name")
-        self.__action = init_context.get("action_name")
-        self.__current_request = None
-        self.__request_id = init_context.get("req_id")
-        self.__cookie = init_context.get("cookie")
-        self.__manager_url = init_context.get("manager_url")
-        self.__interface_name = init_context.get("interface_name")
-        self.__index = -1
-        # self.__init_initial_request()
-        self.__headers = []
-        policies = self.cache.policies
-        models = self.cache.models
-        for policy_id in self.__pdp_value["security_pipeline"]:
-            model_id = policies[policy_id]["model_id"]
-            for meta_rule in models[model_id]["meta_rules"]:
-                self.__headers.append(meta_rule)
-        self.__meta_rules = self.cache.meta_rules
-        self.__pdp_set = {}
-        # self.__init_pdp_set()
-
-    def delete_cache(self):
-        self.cache = {}
-
-    def set_cache(self, cache):
-        self.cache = cache
-
-    def increment_index(self):
-        self.__index += 1
-        self.__init_current_request()
-        self.__init_pdp_set()
-
-    @property
-    def current_state(self):
-        return self.__pdp_set[self.__headers[self.__index]]['effect']
-
-    @current_state.setter
-    def current_state(self, state):
-        if state not in ("grant", "deny", "passed"):
-            state = "passed"
-        self.__pdp_set[self.__headers[self.__index]]['effect'] = state
-
-    @current_state.deleter
-    def current_state(self):
-        self.__pdp_set[self.__headers[self.__index]]['effect'] = "unset"
-
-    @property
-    def current_policy_id(self):
-        return self.__pdp_value["security_pipeline"][self.__index]
-
-    @current_policy_id.setter
-    def current_policy_id(self, value):
-        pass
-
-    @current_policy_id.deleter
-    def current_policy_id(self):
-        pass
-
-    def __init_current_request(self):
-        self.__subject = self.cache.get_subject(
-            self.__pdp_value["security_pipeline"][self.__index],
-            self.__subject)
-        self.__object = self.cache.get_object(
-            self.__pdp_value["security_pipeline"][self.__index],
-            self.__object)
-        self.__action = self.cache.get_action(
-            self.__pdp_value["security_pipeline"][self.__index],
-            self.__action)
-        self.__current_request = dict(self.initial_request)
-
-    def __init_pdp_set(self):
-        for header in self.__headers:
-            self.__pdp_set[header] = dict()
-            self.__pdp_set[header]["meta_rules"] = self.__meta_rules[header]
-            self.__pdp_set[header]["target"] = self.__add_target(header)
-            self.__pdp_set[header]["effect"] = "unset"
-        self.__pdp_set["effect"] = "deny"
-
-    # def update_target(self, context):
-    #     # result = dict()
-    #     current_request = context['current_request']
-    #     _subject = current_request.get("subject")
-    #     _object = current_request.get("object")
-    #     _action = current_request.get("action")
-    #     meta_rule_id = context['headers'][context['index']]
-    #     policy_id = self.cache.get_policy_from_meta_rules(meta_rule_id)
-    #     meta_rules = self.cache.meta_rules()
-    #     # for meta_rule_id in meta_rules:
-    #     for sub_cat in meta_rules[meta_rule_id]['subject_categories']:
-    #         if sub_cat not in context["pdp_set"][meta_rule_id]["target"]:
-    #             context["pdp_set"][meta_rule_id]["target"][sub_cat] = []
-    #         for assign in self.cache.get_subject_assignments(policy_id, _subject, sub_cat).values():
-    #             for assign in assign["assignments"]:
-    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][sub_cat]:
-    #                     context["pdp_set"][meta_rule_id]["target"][sub_cat].append(assign)
-    #     for obj_cat in meta_rules[meta_rule_id]['object_categories']:
-    #         if obj_cat not in context["pdp_set"][meta_rule_id]["target"]:
-    #             context["pdp_set"][meta_rule_id]["target"][obj_cat] = []
-    #         for assign in self.cache.get_object_assignments(policy_id, _object, obj_cat).values():
-    #             for assign in assign["assignments"]:
-    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][obj_cat]:
-    #                     context["pdp_set"][meta_rule_id]["target"][obj_cat].append(assign)
-    #     for act_cat in meta_rules[meta_rule_id]['action_categories']:
-    #         if act_cat not in context["pdp_set"][meta_rule_id]["target"]:
-    #             context["pdp_set"][meta_rule_id]["target"][act_cat] = []
-    #         for assign in self.cache.get_action_assignments(policy_id, _action, act_cat).values():
-    #             for assign in assign["assignments"]:
-    #                 if assign not in context["pdp_set"][meta_rule_id]["target"][act_cat]:
-    #                     context["pdp_set"][meta_rule_id]["target"][act_cat].append(assign)
-    #     # context["pdp_set"][meta_rule_id]["target"].update(result)
-
-    def __add_target(self, meta_rule_id):
-        """build target from meta_rule
-
-        Target is dict of categories as keys ; and the value of each category
-        will be a list of assignments
-
-        """
-        result = dict()
-        _subject = self.__current_request["subject"]
-        _object = self.__current_request["object"]
-        _action = self.__current_request["action"]
-        meta_rules = self.cache.meta_rules
-        policy_id = self.cache.get_policy_from_meta_rules(meta_rule_id)
-        for sub_cat in meta_rules[meta_rule_id]['subject_categories']:
-            if sub_cat not in result:
-                result[sub_cat] = []
-            result[sub_cat].extend(
-                self.cache.get_subject_assignments(policy_id, _subject, sub_cat))
-        for obj_cat in meta_rules[meta_rule_id]['object_categories']:
-            if obj_cat not in result:
-                result[obj_cat] = []
-            result[obj_cat].extend(
-                self.cache.get_object_assignments(policy_id, _object, obj_cat))
-        for act_cat in meta_rules[meta_rule_id]['action_categories']:
-            if act_cat not in result:
-                result[act_cat] = []
-            result[act_cat].extend(
-                self.cache.get_action_assignments(policy_id, _action, act_cat))
-        return result
-
-    def __repr__(self):
-        return """PDP ID: {id}
-current_request: {current_request}
-request_id: {request_id}
-index: {index}
-headers: {headers}
-pdp_set: {pdp_set}
-        """.format(
-            id=self.__pdp_id,
-            current_request=self.__current_request,
-            request_id=self.__request_id,
-            headers=self.__headers,
-            pdp_set=self.__pdp_set,
-            index=self.__index
-        )
-
-    def to_dict(self):
-        return {
-            "initial_request": copy.deepcopy(self.initial_request),
-            "current_request": copy.deepcopy(self.__current_request),
-            "headers": copy.deepcopy(self.__headers),
-            "index": copy.deepcopy(self.__index),
-            "pdp_set": copy.deepcopy(self.__pdp_set),
-            "request_id": copy.deepcopy(self.__request_id),
-            "manager_url": copy.deepcopy(self.__manager_url),
-            "interface_name": copy.deepcopy(self.__interface_name),
-        }
-
-    @property
-    def request_id(self):
-        return self.__request_id
-
-    @request_id.setter
-    def request_id(self, value):
-        raise Exception("You cannot update the request_id")
-
-    @request_id.deleter
-    def request_id(self):
-        raise Exception("You cannot update the request_id")
-
-    @property
-    def manager_url(self):
-        return self.__manager_url
-
-    @manager_url.setter
-    def manager_url(self, value):
-        raise Exception("You cannot update the manager_url")
-
-    @manager_url.deleter
-    def manager_url(self):
-        raise Exception("You cannot update the manager_url")
-
-    @property
-    def interface_name(self):
-        return self.__interface_name
-
-    @interface_name.setter
-    def interface_name(self, value):
-        raise Exception("You cannot update the interface_name")
-
-    @interface_name.deleter
-    def interface_name(self):
-        raise Exception("You cannot update the interface_name")
-
-    @property
-    def cookie(self):
-        return self.__cookie
-
-    @cookie.setter
-    def cookie(self, value):
-        raise Exception("You cannot update the cookie")
-
-    @cookie.deleter
-    def cookie(self):
-        raise Exception("You cannot delete the cookie")
-
-    @property
-    def initial_request(self):
-        return {
-            "subject": self.__subject,
-            "object": self.__object,
-            "action": self.__action,
-        }
-
-    @initial_request.setter
-    def initial_request(self, value):
-        raise Exception("You are not allowed to update the initial_request")
-
-    @initial_request.deleter
-    def initial_request(self):
-        raise Exception("You are not allowed to delete the initial_request")
-
-    @property
-    def current_request(self):
-        if not self.__current_request:
-            self.__current_request = copy.deepcopy(self.initial_request)
-        return self.__current_request
-
-    @current_request.setter
-    def current_request(self, value):
-        self.__current_request = copy.deepcopy(value)
-        # Note (asteroide): if the current request is modified,
-        # we must update the PDP Set.
-        self.__init_pdp_set()
-
-    @current_request.deleter
-    def current_request(self):
-        self.__current_request = {}
-        self.__pdp_set = {}
-
-    @property
-    def headers(self):
-        return self.__headers
-
-    @headers.setter
-    def headers(self, headers):
-        self.__headers = headers
-
-    @headers.deleter
-    def headers(self):
-        self.__headers = list()
-
-    @property
-    def index(self):
-        return self.__index
-
-    @index.setter
-    def index(self, index):
-        self.__index += 1
-
-    @index.deleter
-    def index(self):
-        self.__index = -1
-
-    @property
-    def pdp_set(self):
-        return self.__pdp_set
-
-    @pdp_set.setter
-    def pdp_set(self, value):
-        raise Exception("You are not allowed to modify the pdp_set")
-
-    @pdp_set.deleter
-    def pdp_set(self):
-        self.__pdp_set = {}
-
-
 def check_token(token, url=None):
     _verify = False
     if keystone_config['certificate']:
@@ -507,13 +200,13 @@ def check_token(token, url=None):
                 TOKENS[token]["expires_at"] = time.strptime(token_time[0], "%Y-%m-%dT%H:%M:%S")
                 TOKENS[token]["user"] = req.json().get("token").get("user").get("id")
                 return TOKENS[token]["user"]
-            LOG.error("{} - {}".format(req.status_code, req.text))
+            logger.error("{} - {}".format(req.status_code, req.text))
             raise exceptions.KeystoneError
     elif keystone_config['check_token'].lower() == "strict":
         req = requests.head("{}/auth/tokens".format(url), headers=headers, verify=_verify)
         if req.status_code in (200, 201):
             return token
-        LOG.error("{} - {}".format(req.status_code, req.text))
+        logger.error("{} - {}".format(req.status_code, req.text))
         raise exceptions.KeystoneError
     raise exceptions.KeystoneError
 
diff --git a/python_moonutilities/tests/unit_python/mock_repo/components_utilities.py b/python_moonutilities/tests/unit_python/mock_repo/components_utilities.py
index 72956f3a..1d79d890 100644
--- a/python_moonutilities/tests/unit_python/mock_repo/components_utilities.py
+++ b/python_moonutilities/tests/unit_python/mock_repo/components_utilities.py
@@ -55,7 +55,7 @@ CONF = {
     "logging": {
         "handlers": {
             "file": {
-                "filename": "C:/moon.log",
+                "filename": "/tmp/moon.log",
                 "class": "logging.handlers.RotatingFileHandler",
                 "level": "DEBUG",
                 "formatter": "custom",
diff --git a/python_moonutilities/tests/unit_python/test_configuration.py b/python_moonutilities/tests/unit_python/test_configuration.py
index fe01c7e2..10618f1c 100644
--- a/python_moonutilities/tests/unit_python/test_configuration.py
+++ b/python_moonutilities/tests/unit_python/test_configuration.py
@@ -3,11 +3,11 @@ import pytest
 import requests_mock
 
 
-
 def test_get_configuration_success():
     from python_moonutilities import configuration
     assert configuration.get_configuration("components/port_start")["components/port_start"] == comp_util.CONF["components"]["port_start"]
 
+
 @requests_mock.Mocker(kw='mock')
 def test_get_configuration_not_found(**kwargs):
     from python_moonutilities import configuration
@@ -18,6 +18,7 @@ def test_get_configuration_not_found(**kwargs):
         configuration.get_configuration("components/port_start_wrong")
     assert str(exception_info.value) == '500: Consul error'
 
+
 # [TODO] this test used to test the invalid response
 # it should be un commented and run after refactoring the related part
 @requests_mock.Mocker(kw='mock')
@@ -31,6 +32,7 @@ def test_get_configuration_invalid_response(**kwargs):
     # configuration.get_configuration("components_port_start")
     # assert str(exception_info.value) == '500: Consul error'
 
+
 @requests_mock.Mocker(kw='mock')
 def test_put_increment_port_failure(**kwargs):
     from python_moonutilities import configuration
@@ -42,6 +44,7 @@ def test_put_increment_port_failure(**kwargs):
         configuration.increment_port()
     assert str(exception_info.value) == '400: Consul error'
 
+
 def test_increment_port_success():
     from python_moonutilities import configuration
     cur_port = comp_util.CONF["components"]["port_start"]