70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Module to patch an existing cluster
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"""
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import logging
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import simplejson as json
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from compass.actions import util
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from compass.db.api import cluster as cluster_db
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from compass.db.api import user as user_db
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from compass.deployment.deploy_manager import Patcher
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from compass.deployment.utils import constants as const
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def patch(cluster_id, username=None):
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"""Patch cluster.
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:param cluster_id: id of the cluster
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:type cluster_id: int
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.. note::
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The function should be called out of database session.
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"""
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with util.lock('serialized_action', timeout=1000) as lock:
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if not lock:
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raise Exception('failed to acquire lock to deploy')
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user = user_db.get_user_object(username)
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cluster_hosts = cluster_db.list_cluster_hosts(cluster_id, user)
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hosts_id_list = [host['id'] for host in cluster_hosts]
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cluster_info = util.ActionHelper.get_cluster_info(cluster_id, user)
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adapter_id = cluster_info[const.ADAPTER_ID]
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adapter_info = util.ActionHelper.get_adapter_info(
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adapter_id, cluster_id, user)
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hosts_info = util.ActionHelper.get_hosts_info(
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cluster_id, hosts_id_list, user)
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patch_successful = True
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try:
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patcher = Patcher(
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adapter_info, cluster_info, hosts_info, cluster_hosts)
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patched_config = patcher.patch()
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except Exception as error:
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logging.exception(error)
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patch_successful = False
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if patch_successful:
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clean_payload = '{"patched_roles": []}'
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clean_payload = json.loads(clean_payload)
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for cluster_host in cluster_hosts:
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cluster_db.update_cluster_host(
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cluster_id, cluster_host['id'], user, **clean_payload)
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logging.info(
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"cleaning up patched roles for host id: %s",
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cluster_host['id']
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)
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logging.info("Patch successful: %s", patched_config)
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