tacker/tacker/vnfm/infra_drivers/abstract_driver.py

134 lines
4.3 KiB
Python

# Copyright 2013, 2014 Intel Corporation.
# All Rights Reserved.
#
#
# 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 abc
from tacker.api import extensions
class VnfAbstractDriver(extensions.PluginInterface, metaclass=abc.ABCMeta):
@abc.abstractmethod
def get_type(self):
"""Return one of predefined type of the hosting vnf drivers."""
pass
@abc.abstractmethod
def get_name(self):
"""Return a symbolic name for the service VM plugin."""
pass
@abc.abstractmethod
def get_description(self):
pass
@abc.abstractmethod
def create(self, plugin, context, vnf):
"""Create vnf and return its id."""
@abc.abstractmethod
def create_wait(self, plugin, context, vnf_dict, vnf_id):
"""wait for vnf creation to complete."""
@abc.abstractmethod
def update(self, plugin, context, vnf_id, vnf_dict, vnf):
# vnf_dict: old vnf_dict to be updated
# vnf: update with vnf dict
pass
@abc.abstractmethod
def update_wait(self, plugin, context, vnf_dict):
pass
@abc.abstractmethod
def delete(self, plugin, context, vnf_id):
pass
@abc.abstractmethod
def delete_wait(self, plugin, context, vnf_id):
pass
@abc.abstractmethod
def get_resource_info(self, plugin, context, vnf_info, auth_attr,
region_name=None):
'''Fetches optional details of a VNF'''
pass
@abc.abstractmethod
def heal_vdu(self, plugin, context, vnf_dict, heal_request_data):
pass
@abc.abstractmethod
def pre_instantiation_vnf(self, context, vnf_instance,
vim_connection_info, vnf_software_images):
"""Create resources required for instantiating Vnf.
:param context: A RequestContext
:param vnf_instance: Object tacker.objects.VnfInstance
:vim_info: Credentials to initialize Vim connection
:vnf_software_images: Dict of key:value pair,
<VDU/Storage node name>:tacker.objects.VnfSoftwareImage.
"""
pass
@abc.abstractmethod
def delete_vnf_instance_resource(self, context, vnf_instance,
vim_connection_info, vnf_resource):
pass
@abc.abstractmethod
def instantiate_vnf(self, context, vnf_instance, vnfd_dict,
vim_connection_info, instantiate_vnf_req,
grant_response):
pass
@abc.abstractmethod
def post_vnf_instantiation(self, context, vnf_instance,
vim_connection_info, instantiate_vnf_req):
pass
@abc.abstractmethod
def heal_vnf(self, context, vnf_instance, vim_connection_info,
heal_vnf_request):
"""Heal vnf
:param context: A RequestContext
:param vnf_instance: tacker.objects.VnfInstance to be healed
:vim_info: Credentials to initialize Vim connection
:heal_vnf_request: tacker.objects.HealVnfRequest object containing
parameters passed in the heal request
"""
pass
@abc.abstractmethod
def heal_vnf_wait(self, context, vnf_instance, vim_connection_info,
heal_vnf_request):
"""Check vnf is healed successfully"""
pass
@abc.abstractmethod
def post_heal_vnf(self, context, vnf_instance, vim_connection_info,
heal_vnf_request):
"""Update resource_id for each vnfc resources
:param context: A RequestContext
:param vnf_instance: tacker.objects.VnfInstance to be healed
:vim_info: Credentials to initialize Vim connection
:heal_vnf_request: tacker.objects.HealVnfRequest object containing
parameters passed in the heal request
"""
pass