117 lines
4.5 KiB
Python
117 lines
4.5 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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The Ironic Management Service
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"""
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import sys
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from oslo_config import cfg
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from oslo_log import log
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from oslo_service import service
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from ironic.common import service as ironic_service
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from ironic.common import utils
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from ironic.conductor import rpc_service
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CONF = cfg.CONF
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LOG = log.getLogger(__name__)
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def warn_about_unsafe_shred_parameters(conf):
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iterations = conf.deploy.shred_random_overwrite_iterations
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overwrite_with_zeros = conf.deploy.shred_final_overwrite_with_zeros
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if iterations == 0 and overwrite_with_zeros is False:
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LOG.warning('With shred_random_overwrite_iterations set to 0 and '
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'shred_final_overwrite_with_zeros set to False, disks '
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'may NOT be shredded at all, unless they support ATA '
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'Secure Erase. This is a possible SECURITY ISSUE!')
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def warn_about_sqlite():
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# We are intentionally calling the helper here to ensure it caches
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# for all future calls.
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if utils.is_ironic_using_sqlite():
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LOG.warning('Ironic has been configured to utilize SQLite. '
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'This has some restrictions and impacts. You must run '
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'as as a single combined ironic process, and some '
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'internal mechanisms do not execute such as the hash '
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'ring will remain static and the conductor\'s '
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'``last_updated`` field will also not update. This is '
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'in order to minimize database locking issues present '
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'as a result of SQLAlchemy 2.0 and the removal of '
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'autocommit support.')
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def warn_about_max_wait_parameters(conf):
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max_wait = conf.conductor.max_conductor_wait_step_seconds
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max_deploy_timeout = conf.conductor.deploy_callback_timeout
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max_clean_timeout = conf.conductor.clean_callback_timeout
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error_with = None
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if max_wait >= max_deploy_timeout:
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error_with = 'deploy_callback_timeout'
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if max_wait >= max_clean_timeout:
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error_with = 'clean_callback_timeout'
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if error_with:
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LOG.warning('The [conductor]max_conductor_wait_step_seconds '
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'configuration parameter exceeds the value of '
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'[conductor]%s, which could create a condition where '
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'tasks may timeout. Ironic recommends a low default '
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'value for [conductor]max_conductor_wait_step_seconds ',
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'please re-evaluate your configuration.', error_with)
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def issue_startup_warnings(conf):
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warn_about_unsafe_shred_parameters(conf)
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warn_about_sqlite()
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warn_about_max_wait_parameters(conf)
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def main():
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# NOTE(lucasagomes): Safeguard to prevent 'ironic.conductor.manager'
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# from being imported prior to the configuration options being loaded.
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# If this happened, the periodic decorators would always use the
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# default values of the options instead of the configured ones. For
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# more information see: https://bugs.launchpad.net/ironic/+bug/1562258
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# and https://bugs.launchpad.net/ironic/+bug/1279774.
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assert 'ironic.conductor.manager' not in sys.modules
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# Parse config file and command line options, then start logging
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ironic_service.prepare_service('ironic_conductor', sys.argv)
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ironic_service.ensure_rpc_transport(CONF)
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mgr = rpc_service.RPCService(CONF.host,
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'ironic.conductor.manager',
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'ConductorManager')
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issue_startup_warnings(CONF)
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launcher = service.launch(CONF, mgr, restart_method='mutate')
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# NOTE(dtantsur): handling start-up failures before launcher.wait() helps
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# notify systemd about them. Otherwise the launcher will report successful
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# service start-up before checking the threads.
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mgr.wait_for_start()
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sys.exit(launcher.wait())
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if __name__ == '__main__':
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sys.exit(main())
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