7e09b25b96
- Limit number of api workers to roughly using half of system RAM. Spawning a bunch, just to have the OOM killer nuke them regularly is not useful. - Bump the rpc_workers default to half of the api_workers. A default of 1 falls behind on any reasonably sized node. Change-Id: I8b84a359f83133014b3d4414aafc10e6b7c6a876 Closes-bug: #1815629
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
# Copyright 2018 Red Hat Inc.
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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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from neutron_lib.utils import runtime
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_upgradecheck import upgradecheck
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from neutron.conf import common as neutron_conf_base
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from neutron.conf import service as neutron_conf_service
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CHECKS_ENTRYPOINTS = 'neutron.status.upgrade.checks'
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LOG = logging.getLogger(__name__)
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def load_checks():
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checks = []
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ns_plugin = runtime.NamespacedPlugins(CHECKS_ENTRYPOINTS)
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# TODO(slaweq): stop using private attribute of runtime.NamespacedPlugins
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# class when it will provide some better way to access extensions
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for module_name, module in ns_plugin._extensions.items():
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try:
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project_checks_class = module.entry_point.load()
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project_checks = project_checks_class().get_checks()
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if project_checks:
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checks += project_checks
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except Exception as e:
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LOG.exception("Checks class %(entrypoint)s failed to load. "
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"Error: %(err)s",
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{'entrypoint': module_name, 'err': e})
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continue
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return tuple(checks)
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def setup_conf(conf=cfg.CONF):
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"""Setup the cfg for the status check utility.
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Use separate setup_conf for the utility because there are many options
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from the main config that do not apply during checks.
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"""
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neutron_conf_base.register_core_common_config_opts(conf)
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neutron_conf_service.register_service_opts(
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neutron_conf_service.service_opts, cfg.CONF)
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return conf
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class Checker(upgradecheck.UpgradeCommands):
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"""Various upgrade checks should be added as separate methods in this class
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and added to _upgrade_checks tuple.
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Check methods here must not rely on the neutron object model since they
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should be able to run against both N and N-1 releases. Any queries to
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the database should be done through the sqlalchemy query language directly
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like the database schema migrations.
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"""
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# The format of the check functions is to return an
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# oslo_upgradecheck.upgradecheck.Result
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# object with the appropriate
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# oslo_upgradecheck.upgradecheck.Code and details set.
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# If the check hits warnings or failures then those should be stored
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# in the returned Result's "details" attribute. The
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# summary will be rolled up at the end of the check() method.
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_upgrade_checks = load_checks()
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def main():
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conf = setup_conf()
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return upgradecheck.main(
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conf, project='neutron', upgrade_command=Checker())
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