Python InstanceSerializer.save方法代码示例

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
def set_instance_from_metadata(esh_driver, core_instance):
    #Fixes Dep. loop - Do not remove
    from api.serializers import InstanceSerializer
    #Breakout for drivers (Eucalyptus) that don't support metadata
    if not hasattr(esh_driver._connection, 'ex_get_metadata'):
        #logger.debug("EshDriver %s does not have function 'ex_get_metadata'"
        #            % esh_driver._connection.__class__)
        return core_instance
    esh_instance = esh_driver.get_instance(core_instance.provider_alias)
    if not esh_instance:
        return core_instance
    metadata =  esh_driver._connection.ex_get_metadata(esh_instance)

    #TODO: Match with actual instance launch metadata in service/instance.py
    #TODO: Probably better to redefine serializer as InstanceMetadataSerializer
    #TODO: Define a creator and their identity by the METADATA instead of
    # assuming its the person who 'found' the instance

    serializer = InstanceSerializer(core_instance, data=metadata, partial=True)
    if not serializer.is_valid():
        logger.warn("Encountered errors serializing metadata:%s"
                    % serializer.errors)
        return core_instance
    serializer.save()
    core_instance = serializer.object
    core_instance.esh = esh_instance
    return core_instance

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
 def put(self, request, provider_id, identity_id, instance_id):
     """Authentication Required, update metadata about the instance"""
     user = request.user
     data = request.DATA
     #Ensure item exists on the server first
     esh_driver = prepare_driver(request, provider_id, identity_id)
     if not esh_driver:
         return invalid_creds(provider_id, identity_id)
     esh_instance = esh_driver.get_instance(instance_id)
     if not esh_instance:
         return instance_not_found(instance_id)
     #Gather the DB related item and update
     core_instance = convert_esh_instance(esh_driver, esh_instance,
                                          provider_id, identity_id, user)
     serializer = InstanceSerializer(core_instance, data=data,
                                     context={"request":request})
     if serializer.is_valid():
         logger.info('metadata = %s' % data)
         update_instance_metadata(esh_driver, esh_instance, data)
         serializer.save()
         response = Response(serializer.data)
         logger.info('data = %s' % serializer.data)
         response['Cache-Control'] = 'no-cache'
         return response
     else:
         return Response(serializer.errors, status=status.HTTP_400)

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
    def put(self, request, provider_id, identity_id, instance_id):
        """
        TODO:
            Options for put
            - Instance status change (suspend,resume,etc.)
            - DB changes (Name, tags)
        """
        user = request.user
        data = request.DATA
        #Ensure item exists on the server first
        esh_driver = prepare_driver(request, identity_id)
        try:
            esh_instance = esh_driver.get_instance(instance_id)
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)

        if not esh_instance:
            return instance_not_found(instance_id)

        #Gather the DB related item and update
        core_instance = convert_esh_instance(esh_driver, esh_instance,
                                           provider_id, identity_id, user)
        serializer = InstanceSerializer(core_instance, data=data)
        if serializer.is_valid():
            logger.info('metadata = %s' % data)
            update_instance_metadata(esh_driver, esh_instance, data)
            serializer.save()
            response = Response(serializer.data)
            logger.info('data = %s' % serializer.data)
            response['Cache-Control'] = 'no-cache'
            return response
        else:
            return Response(serializer.errors, status=status.HTTP_400)

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
    def patch(self, request, provider_id, identity_id, instance_id):
        """
        """
        user = request.user
        data = request.DATA
        #Ensure item exists on the server first
        esh_driver = prepare_driver(request, identity_id)
        try:
            esh_instance = esh_driver.get_instance(instance_id)
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)

        if not esh_instance:
            return instance_not_found(instance_id)

        #Gather the DB related item and update
        core_instance = convert_esh_instance(esh_driver, esh_instance,
                                           provider_id, identity_id, user)
        serializer = InstanceSerializer(core_instance, data=data, partial=True)
        if serializer.is_valid():
            logger.info('metadata = %s' % data)
            update_instance_metadata(esh_driver, esh_instance, data)
            serializer.save()
            response = Response(serializer.data)
            logger.info('data = %s' % serializer.data)
            response['Cache-Control'] = 'no-cache'
            return response
        else:
            return Response(
                serializer.errors,
                status=status.HTTP_400_BAD_REQUEST)

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
 def put(self, request, provider_uuid, identity_uuid, instance_id):
     """Authentication Required, update metadata about the instance"""
     user = request.user
     data = request.DATA
     # Ensure item exists on the server first
     esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
     if not esh_driver:
         return invalid_creds(provider_uuid, identity_uuid)
     try:
         esh_instance = esh_driver.get_instance(instance_id)
     except ConnectionFailure:
         return connection_failure(provider_uuid, identity_uuid)
     except InvalidCredsError:
         return invalid_creds(provider_uuid, identity_uuid)
     except Exception as exc:
         logger.exception("Encountered a generic exception. "
                          "Returning 409-CONFLICT")
         return failure_response(status.HTTP_409_CONFLICT,
                                 str(exc.message))
     if not esh_instance:
         return instance_not_found(instance_id)
     # Gather the DB related item and update
     core_instance = convert_esh_instance(esh_driver, esh_instance,
                                          provider_uuid, identity_uuid,
                                          user)
     serializer = InstanceSerializer(core_instance, data=data,
                                     context={"request": request})
     if serializer.is_valid():
         logger.info('metadata = %s' % data)
         update_instance_metadata(esh_driver, esh_instance, data)
         serializer.save()
         new_instance = serializer.object
         boot_scripts = data.pop('boot_scripts', [])
         if boot_scripts:
             new_instance = _save_scripts_to_instance(new_instance,
                                                      boot_scripts)
             serializer = InstanceSerializer(
                 new_instance,
                 context={"request": request})
         invalidate_cached_instances(
                 identity=Identity.objects.get(
                     uuid=identity_uuid))
         response = Response(serializer.data)
         logger.info('data = %s' % serializer.data)
         response['Cache-Control'] = 'no-cache'
         return response
     else:
         return Response(serializer.errors,
                         status=status.HTTP_400_BAD_REQUEST)

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
        except ConnectionFailure:
            return connection_failure(provider_id, identity_id)
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)
        except Exception as exc:
            logger.exception("Encountered a generic exception. "
                             "Returning 409-CONFLICT")
            return failure_response(status.HTTP_409_CONFLICT,
                                    str(exc.message))

        serializer = InstanceSerializer(core_instance,
                                        context={"request":request},
                                        data=data)
        #NEVER WRONG
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        else:
            return Response(serializer.errors,
                            status=status.HTTP_400_BAD_REQUEST)


def _sort_instance_history(history_instance_list, sort_by, descending=False):
    #Using the 'sort_by' variable, sort the list:
    if not sort_by or 'end_date' in sort_by:
        return sorted(history_instance_list, key=lambda ish:
                ish.end_date if ish.end_date else timezone.now(),
                reverse=descending)
    elif 'start_date' in sort_by:
        return sorted(history_instance_list, key=lambda ish:
                ish.start_date if ish.start_date else timezone.now(),

# 需要导入模块: from api.serializers import InstanceSerializer [as 别名]
# 或者: from api.serializers.InstanceSerializer import save [as 别名]
        logger.exception("Exception retrieving instance metadata for %s" %
                core_instance.provider_alias)
        return core_instance

    #TODO: Match with actual instance launch metadata in service/instance.py
    #TODO: Probably better to redefine serializer as InstanceMetadataSerializer
    #TODO: Define a creator and their identity by the METADATA instead of
    # assuming its the person who 'found' the instance

    serializer = InstanceSerializer(core_instance, data=metadata,
                                    partial=True)
    if not serializer.is_valid():
        logger.warn("Encountered errors serializing metadata:%s"
                    % serializer.errors)
        return core_instance
    core_instance = serializer.save()
    core_instance.esh = esh_instance
    return core_instance

def create_instance(provider_uuid, identity_uuid, provider_alias, instance_source,
                   ip_address, name, creator, create_stamp,
                   token=None, password=None):
    #TODO: Define a creator and their identity by the METADATA instead of
    # assuming its the person who 'found' the instance
    identity = Identity.objects.get(uuid=identity_uuid)
    new_inst = Instance.objects.create(name=name,
                                       provider_alias=provider_alias,
                                       source=instance_source,
                                       ip_address=ip_address,
                                       created_by=creator,
                                       created_by_identity=identity,