96 lines
3.3 KiB
Python
96 lines
3.3 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 update status and installing progress of the given cluster.
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.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
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"""
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import logging
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from compass.actions import util
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from compass.db import database
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from compass.log_analyzor import progress_calculator
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from compass.utils import setting_wrapper as setting
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def _cluster_filter(cluster):
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"""filter cluster."""
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if not cluster.state:
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logging.error('there is no state for cluster %s',
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cluster.id)
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return False
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if cluster.state.state != 'INSTALLING':
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logging.error('the cluster %s state %s is not installing',
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cluster.id, cluster.state.state)
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return False
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return True
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def _host_filter(host):
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"""filter host."""
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if not host.state:
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logging.error('there is no state for host %s',
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host.id)
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return False
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if host.state.state != 'INSTALLING':
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logging.error('the host %s state %s is not installing',
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host.id, host.state.state)
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return False
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return True
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def update_progress(cluster_hosts):
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"""Update status and installing progress of the given cluster.
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:param cluster_hosts: clusters and hosts in each cluster to update.
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:type cluster_hosts: dict of int or str to list of int or str
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.. note::
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The function should be called out of the database session scope.
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In the function, it will update the database cluster_state and
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host_state table for the deploying cluster and hosts.
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The function will also query log_progressing_history table to get
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the lastest installing progress and the position of log it has
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processed in the last run. The function uses these information to
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avoid recalculate the progress from the beginning of the log file.
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After the progress got updated, these information will be stored back
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to the log_progressing_history for next time run.
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"""
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with util.lock('log_progressing', blocking=False) as lock:
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if not lock:
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logging.error(
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'failed to acquire lock to calculate installation progress')
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return
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logging.info('update installing progress of cluster_hosts: %s',
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cluster_hosts)
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os_versions = {}
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target_systems = {}
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with database.session():
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cluster_hosts, os_versions, target_systems = (
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util.update_cluster_hosts(
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cluster_hosts, _cluster_filter, _host_filter))
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progress_calculator.update_progress(
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setting.OS_INSTALLER,
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os_versions,
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setting.PACKAGE_INSTALLER,
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target_systems,
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cluster_hosts)
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