fuel-nailgun-extension-conv.../converted_serializers/extension.py

108 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015 Mirantis, Inc.
#
# 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 logging
from nailgun import extensions
from nailgun import objects
from nailgun.orchestrator.deployment_serializers import \
get_serializer_for_cluster
from nailgun import utils
logger = logging.getLogger(__name__)
class ConvertPreLCMtoLCM(extensions.BasePipeline):
@classmethod
def pre_process_data_for_cluster(cls, cluster, data, **kwargs):
return data
@classmethod
def post_process_data_for_cluster(cls, cluster, data, **kwargs):
return data
@classmethod
def pre_process_data_for_node(cls, node, data, **kwargs):
return data
@classmethod
def post_process_data_for_node(cls, node, data, **kwargs):
return data
@classmethod
def serialize_cluster(cls, cluster, data, **kwargs):
if objects.Release.is_lcm_supported(cluster.release):
return data
else:
serializer = get_serializer_for_cluster(cluster)()
serializer.initialize(cluster)
common_attrs = serializer.get_common_attrs(cluster)
if cluster.replaced_deployment_info:
# patch common attributes with custom deployment info
utils.dict_update(
common_attrs, cluster.replaced_deployment_info
)
return common_attrs
@classmethod
def serialize_node(cls, node, data, **kwargs):
if objects.Release.is_lcm_supported(node.cluster.release):
return data
else:
serializer = get_serializer_for_cluster(node.cluster)()
serializer.initialize(node.cluster)
role = getattr(objects.Node,
"all_roles", objects.Node.all_tags)(node)[0]
real_data = serializer.serialize_node(node, role)
return real_data
@classmethod
def process_deployment_for_cluster(cls, cluster, data, **kwargs):
pre_processed_data = cls.pre_process_data_for_cluster(cluster, data,
**kwargs)
real_data = cls.serialize_cluster(cluster, pre_processed_data,
**kwargs)
post_processed_data = cls.post_process_data_for_cluster(
cluster, real_data, **kwargs)
# copypaste cluster specific values from LCM serializer.
# This is needed for tasks paramters interpolation like CLUSTER_ID
cluster_data = data['cluster']
post_processed_data['cluster'] = cluster_data
return post_processed_data
@classmethod
def process_deployment_for_node(cls, node, node_data, **kwargs):
pre_processed_data = cls.pre_process_data_for_node(node,
node_data, **kwargs)
real_data = cls.serialize_node(node, pre_processed_data, **kwargs)
post_processed_data = cls.post_process_data_for_node(node, real_data,
**kwargs)
return post_processed_data
class ConvertedSerializersExtension(extensions.BaseExtension):
name = 'converted_serializers'
version = '0.0.1'
description = "Serializers Conversion extension"
weight = 100
data_pipelines = [
ConvertPreLCMtoLCM,
]