93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
"""Module to deploy a 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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import os
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import os.path
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import shutil
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from compass.db import database
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from compass.db.model import Cluster, ClusterState, HostState
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from compass.db.model import LogProgressingHistory
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from compass.config_management.utils.config_manager import ConfigManager
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from compass.utils import setting_wrapper as setting
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def trigger_install(clusterid, hostids=[]):
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"""Deploy a given cluster.
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:param clusterid: the id of the cluster to deploy.
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:type clusterid: int
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:param hostids: the ids of the hosts to deploy.
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:type hostids: list of int
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.. note::
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The function should be called in database session.
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"""
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logging.debug('trigger install cluster %s hosts %s',
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clusterid, hostids)
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session = database.current_session()
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cluster = session.query(Cluster).filter_by(id=clusterid).first()
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if not cluster:
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logging.error('no cluster found for %s', clusterid)
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return
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adapter = cluster.adapter
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if not adapter:
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logging.error('no proper adapter found for cluster %s', cluster.id)
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return
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if cluster.mutable:
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logging.error('ignore installing cluster %s since it is mutable',
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cluster)
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return
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if not cluster.state:
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cluster.state = ClusterState()
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cluster.state.state = 'INSTALLING'
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cluster.state.progress = 0.0
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cluster.state.message = ''
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cluster.state.severity = 'INFO'
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all_hostids = [host.id for host in cluster.hosts]
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update_hostids = []
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for host in cluster.hosts:
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if host.id not in hostids:
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logging.info('ignore installing %s since it is not in %s',
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host, hostids)
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continue
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if host.mutable:
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logging.error('ignore installing %s since it is mutable',
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host)
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continue
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log_dir = os.path.join(
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setting.INSTALLATION_LOGDIR,
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'%s.%s' % (host.hostname, clusterid))
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logging.info('clean log dir %s', log_dir)
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shutil.rmtree(log_dir, True)
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session.query(LogProgressingHistory).filter(
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LogProgressingHistory.pathname.startswith(
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'%s/' % log_dir)).delete(
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synchronize_session='fetch')
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if not host.state:
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host.state = HostState()
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host.state.state = 'INSTALLING'
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host.state.progress = 0.0
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host.state.message = ''
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host.state.severity = 'INFO'
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update_hostids.append(host.id)
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os.system('service rsyslog restart')
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manager = ConfigManager()
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manager.update_cluster_and_host_configs(
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clusterid, all_hostids, update_hostids,
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adapter.os, adapter.target_system)
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manager.sync()
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