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diff --git a/moonv4/python_moonutilities/python_moonutilities/exceptions.py b/moonv4/python_moonutilities/python_moonutilities/exceptions.py
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+++ b/moonv4/python_moonutilities/python_moonutilities/exceptions.py
@@ -0,0 +1,522 @@
+# 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'.
+
+from oslo_log import log as logging
+from werkzeug.exceptions import HTTPException
+
+LOG = logging.getLogger("moon.utilities.exceptions")
+_ = str
+
+
+class MoonErrorMetaClass(type):
+
+    def __init__(cls, name, bases, dct):
+        super(MoonErrorMetaClass, cls).__init__(name, bases, dct)
+        cls.hierarchy += "/"+str(name)
+
+
+class MoonError(HTTPException):
+    __metaclass__ = MoonErrorMetaClass
+    hierarchy = ""
+    description = _("There is an error requesting the Moon platform.")
+    code = 400
+    title = 'Moon Error'
+    logger = "ERROR"
+
+    def __init__(self, message="", status_code=None, payload=""):
+        if message:
+            self.description = message
+        if status_code:
+            self.code = status_code
+        self.payload = payload
+        super(MoonError, self).__init__()
+
+    def __str__(self):
+        return "{}: {}".format(self.code, self.title)
+
+    def __del__(self):
+        message = "{} ({}) {}".format(self.hierarchy, self.description, self.payload)
+        if self.logger == "ERROR":
+            try:
+                LOG.error(message)
+            except AttributeError:
+                LOG.error(message)
+        elif self.logger == "WARNING":
+            try:
+                LOG.warning(message)
+            except AttributeError:
+                LOG.warning(message)
+        elif self.logger == "CRITICAL":
+            try:
+                LOG.critical(message)
+            except AttributeError:
+                LOG.critical(message)
+        elif self.logger == "AUTHZ":
+            try:
+                LOG.authz(self.hierarchy)
+                LOG.error(message)
+            except AttributeError:
+                LOG.error(message)
+        else:
+            try:
+                LOG.info(message)
+            except AttributeError:
+                LOG.info(message)
+
+    # def to_dict(self):
+    #     rv = dict(self.payload or ())
+    #     rv['message'] = "{} ({})".format(self.hierarchy, self.description)
+    #     rv['title'] = self.title
+    #     rv['code'] = self.code
+    #     return rv
+
+
+# Exceptions for Tenant
+
+class TenantException(MoonError):
+    description = _("There is an error requesting this tenant.")
+    code = 400
+    title = 'Tenant Error'
+    logger = "ERROR"
+
+
+class TenantUnknown(TenantException):
+    description = _("The tenant is unknown.")
+    code = 400
+    title = 'Tenant Unknown'
+    logger = "ERROR"
+
+
+class TenantAddedNameExisting(TenantException):
+    description = _("The tenant name is existing.")
+    code = 400
+    title = 'Added Tenant Name Existing'
+    logger = "ERROR"
+
+
+class TenantNoIntraExtension(TenantException):
+    description = _("The tenant has not intra_extension.")
+    code = 400
+    title = 'Tenant No Intra_Extension'
+    logger = "ERROR"
+
+
+class TenantNoIntraAuthzExtension(TenantNoIntraExtension):
+    description = _("The tenant has not intra_admin_extension.")
+    code = 400
+    title = 'Tenant No Intra_Admin_Extension'
+    logger = "ERROR"
+
+# Exceptions for IntraExtension
+
+
+class IntraExtensionException(MoonError):
+    description = _("There is an error requesting this IntraExtension.")
+    code = 400
+    title = 'Extension Error'
+
+
+class IntraExtensionUnknown(IntraExtensionException):
+    description = _("The intra_extension is unknown.")
+    code = 400
+    title = 'Intra Extension Unknown'
+    logger = "Error"
+
+
+class ModelUnknown(MoonError):
+    description = _("The model is unknown.")
+    code = 400
+    title = 'Model Unknown'
+    logger = "Error"
+
+
+class ModelExisting(MoonError):
+    description = _("The model already exists.")
+    code = 409
+    title = 'Model Error'
+    logger = "Error"
+
+
+# Authz exceptions
+
+class AuthzException(MoonError):
+    description = _("There is an authorization error requesting this IntraExtension.")
+    code = 403
+    title = 'Authz Exception'
+    logger = "AUTHZ"
+
+
+# Auth exceptions
+
+class AuthException(MoonError):
+    description = _("There is an authentication error requesting this API. "
+                    "You must provide a valid token from Keystone.")
+    code = 401
+    title = 'Auth Exception'
+    logger = "AUTHZ"
+
+
+# Admin exceptions
+
+class AdminException(MoonError):
+    description = _("There is an error requesting this Authz IntraExtension.")
+    code = 400
+    title = 'Authz Exception'
+    logger = "AUTHZ"
+
+
+class AdminMetaData(AdminException):
+    code = 400
+    title = 'Metadata Exception'
+
+
+class AdminPerimeter(AdminException):
+    code = 400
+    title = 'Perimeter Exception'
+
+
+class AdminScope(AdminException):
+    code = 400
+    title = 'Scope Exception'
+
+
+class AdminAssignment(AdminException):
+    code = 400
+    title = 'Assignment Exception'
+
+
+class AdminMetaRule(AdminException):
+    code = 400
+    title = 'Aggregation Algorithm Exception'
+
+
+class AdminRule(AdminException):
+    code = 400
+    title = 'Rule Exception'
+
+
+class SubjectCategoryNameExisting(AdminMetaData):
+    description = _("The given subject category name already exists.")
+    code = 409
+    title = 'Subject Category Name Existing'
+    logger = "ERROR"
+
+
+class SubjectCategoryExisting(AdminMetaData):
+    description = _("The given subject category already exists.")
+    code = 409
+    title = 'Subject Category Existing'
+    logger = "ERROR"
+
+
+class ObjectCategoryNameExisting(AdminMetaData):
+    description = _("The given object category name already exists.")
+    code = 409
+    title = 'Object Category Name Existing'
+    logger = "ERROR"
+
+
+class ObjectCategoryExisting(AdminMetaData):
+    description = _("The given object category already exists.")
+    code = 409
+    title = 'Object Category Existing'
+    logger = "ERROR"
+
+
+class ActionCategoryNameExisting(AdminMetaData):
+    description = _("The given action category name already exists.")
+    code = 409
+    title = 'Action Category Name Existing'
+    logger = "ERROR"
+
+
+class ActionCategoryExisting(AdminMetaData):
+    description = _("The given action category already exists.")
+    code = 409
+    title = 'Action Category Existing'
+    logger = "ERROR"
+
+
+class SubjectCategoryUnknown(AdminMetaData):
+    description = _("The given subject category is unknown.")
+    code = 400
+    title = 'Subject Category Unknown'
+    logger = "ERROR"
+
+
+class ObjectCategoryUnknown(AdminMetaData):
+    description = _("The given object category is unknown.")
+    code = 400
+    title = 'Object Category Unknown'
+    logger = "ERROR"
+
+
+class ActionCategoryUnknown(AdminMetaData):
+    description = _("The given action category is unknown.")
+    code = 400
+    title = 'Action Category Unknown'
+    logger = "ERROR"
+
+
+class SubjectUnknown(AdminPerimeter):
+    description = _("The given subject is unknown.")
+    code = 400
+    title = 'Subject Unknown'
+    logger = "ERROR"
+
+
+class ObjectUnknown(AdminPerimeter):
+    description = _("The given object is unknown.")
+    code = 400
+    title = 'Object Unknown'
+    logger = "ERROR"
+
+
+class ActionUnknown(AdminPerimeter):
+    description = _("The given action is unknown.")
+    code = 400
+    title = 'Action Unknown'
+    logger = "ERROR"
+
+
+class SubjectNameExisting(AdminPerimeter):
+    description = _("The given subject name is existing.")
+    code = 400
+    title = 'Subject Name Existing'
+    logger = "ERROR"
+
+
+class ObjectNameExisting(AdminPerimeter):
+    description = _("The given object name is existing.")
+    code = 400
+    title = 'Object Name Existing'
+    logger = "ERROR"
+
+
+class ActionNameExisting(AdminPerimeter):
+    description = _("The given action name is existing.")
+    code = 400
+    title = 'Action Name Existing'
+    logger = "ERROR"
+
+
+class ObjectsWriteNoAuthorized(AdminPerimeter):
+    description = _("The modification on Objects is not authorized.")
+    code = 400
+    title = 'Objects Write No Authorized'
+    logger = "AUTHZ"
+
+
+class ActionsWriteNoAuthorized(AdminPerimeter):
+    description = _("The modification on Actions is not authorized.")
+    code = 400
+    title = 'Actions Write No Authorized'
+    logger = "AUTHZ"
+
+
+class SubjectScopeUnknown(AdminScope):
+    description = _("The given subject scope is unknown.")
+    code = 400
+    title = 'Subject Scope Unknown'
+    logger = "ERROR"
+
+
+class ObjectScopeUnknown(AdminScope):
+    description = _("The given object scope is unknown.")
+    code = 400
+    title = 'Object Scope Unknown'
+    logger = "ERROR"
+
+
+class ActionScopeUnknown(AdminScope):
+    description = _("The given action scope is unknown.")
+    code = 400
+    title = 'Action Scope Unknown'
+    logger = "ERROR"
+
+
+class SubjectScopeNameExisting(AdminScope):
+    description = _("The given subject scope name is existing.")
+    code = 400
+    title = 'Subject Scope Name Existing'
+    logger = "ERROR"
+
+
+class ObjectScopeNameExisting(AdminScope):
+    description = _("The given object scope name is existing.")
+    code = 400
+    title = 'Object Scope Name Existing'
+    logger = "ERROR"
+
+
+class ActionScopeNameExisting(AdminScope):
+    description = _("The given action scope name is existing.")
+    code = 400
+    title = 'Action Scope Name Existing'
+    logger = "ERROR"
+
+
+class SubjectAssignmentUnknown(AdminAssignment):
+    description = _("The given subject assignment value is unknown.")
+    code = 400
+    title = 'Subject Assignment Unknown'
+    logger = "ERROR"
+
+
+class ObjectAssignmentUnknown(AdminAssignment):
+    description = _("The given object assignment value is unknown.")
+    code = 400
+    title = 'Object Assignment Unknown'
+    logger = "ERROR"
+
+
+class ActionAssignmentUnknown(AdminAssignment):
+    description = _("The given action assignment value is unknown.")
+    code = 400
+    title = 'Action Assignment Unknown'
+    logger = "ERROR"
+
+
+class SubjectAssignmentExisting(AdminAssignment):
+    description = _("The given subject assignment value is existing.")
+    code = 400
+    title = 'Subject Assignment Existing'
+    logger = "ERROR"
+
+
+class ObjectAssignmentExisting(AdminAssignment):
+    description = _("The given object assignment value is existing.")
+    code = 400
+    title = 'Object Assignment Existing'
+    logger = "ERROR"
+
+
+class ActionAssignmentExisting(AdminAssignment):
+    description = _("The given action assignment value is existing.")
+    code = 400
+    title = 'Action Assignment Existing'
+    logger = "ERROR"
+
+
+class AggregationAlgorithmNotExisting(AdminMetaRule):
+    description = _("The given aggregation algorithm is not existing.")
+    code = 400
+    title = 'Aggregation Algorithm Not Existing'
+    logger = "ERROR"
+
+
+class AggregationAlgorithmUnknown(AdminMetaRule):
+    description = _("The given aggregation algorithm is unknown.")
+    code = 400
+    title = 'Aggregation Algorithm Unknown'
+    logger = "ERROR"
+
+
+class SubMetaRuleAlgorithmNotExisting(AdminMetaRule):
+    description = _("The given sub_meta_rule algorithm is unknown.")
+    code = 400
+    title = 'Sub_meta_rule Algorithm Unknown'
+    logger = "ERROR"
+
+
+class MetaRuleUnknown(AdminMetaRule):
+    description = _("The given sub meta rule is unknown.")
+    code = 400
+    title = 'Sub Meta Rule Unknown'
+    logger = "ERROR"
+
+
+class SubMetaRuleNameExisting(AdminMetaRule):
+    description = _("The sub meta rule name already exists.")
+    code = 400
+    title = 'Sub Meta Rule Name Existing'
+    logger = "ERROR"
+
+
+class MetaRuleExisting(AdminMetaRule):
+    description = _("The sub meta rule already exists.")
+    code = 400
+    title = 'Sub Meta Rule Existing'
+    logger = "ERROR"
+
+
+class RuleExisting(AdminRule):
+    description = _("The rule already exists.")
+    code = 400
+    title = 'Rule Existing'
+    logger = "ERROR"
+
+
+class RuleUnknown(AdminRule):
+    description = _("The rule for that request doesn't exist.")
+    code = 400
+    title = 'Rule Unknown'
+    logger = "ERROR"
+
+
+# Keystone exceptions
+
+
+class KeystoneError(MoonError):
+    description = _("There is an error connecting to Keystone.")
+    code = 400
+    title = 'Keystone error'
+    logger = "ERROR"
+
+
+class KeystoneProjectError(KeystoneError):
+    description = _("There is an error retrieving projects from the Keystone service.")
+    code = 400
+    title = 'Keystone project error'
+    logger = "ERROR"
+
+
+class KeystoneUserError(KeystoneError):
+    description = _("There is an error retrieving users from the Keystone service.")
+    code = 400
+    title = 'Keystone user error'
+    logger = "ERROR"
+
+
+class KeystoneUserConflict(KeystoneUserError):
+    description = _("A user with that name already exist.")
+    code = 400
+    title = 'Keystone user error'
+    logger = "ERROR"
+
+
+# Consul exceptions
+
+
+class ConsulError(MoonError):
+    description = _("There is an error connecting to Consul.")
+    code = 400
+    title = 'Consul error'
+    logger = "ERROR"
+
+
+class ConsulComponentNotFound(ConsulError):
+    description = _("The component do not exist in Consul database.")
+    code = 500
+    title = 'Consul error'
+    logger = "WARNING"
+
+
+# Containers exceptions
+
+
+class DockerError(MoonError):
+    description = _("There is an error with Docker.")
+    code = 400
+    title = 'Docker error'
+    logger = "ERROR"
+
+
+class ContainerMissing(DockerError):
+    description = _("Some containers are missing.")
+    code = 400
+    title = 'Container missing'
+    logger = "ERROR"
+