Adds tooz locking driver
Adds tooz requirements, configuration options and locking support. Story: 2001842 Task: 30376 Change-Id: I78ffdeeb502cbed0550152b19efbb224f47c65af
This commit is contained in:
parent
9a62401fb7
commit
1bed475409
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@ -17,6 +17,7 @@ import sys
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from oslo_config import cfg
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from oslo_config import cfg
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from oslo_service import service
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from oslo_service import service
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from ironic_inspector.common.i18n import _
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from ironic_inspector.common.rpc_service import RPCService
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from ironic_inspector.common.rpc_service import RPCService
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from ironic_inspector.common import service_utils
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from ironic_inspector.common import service_utils
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from ironic_inspector import wsgi_service
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from ironic_inspector import wsgi_service
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@ -28,6 +29,11 @@ def main(args=sys.argv[1:]):
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# Parse config file and command line options, then start logging
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# Parse config file and command line options, then start logging
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service_utils.prepare_service(args)
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service_utils.prepare_service(args)
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if not CONF.standalone:
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msg = _('To run ironic-inspector in standalone mode, '
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'[DEFAULT]standalone should be set to True.')
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sys.exit(msg)
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launcher = service.ServiceLauncher(CONF, restart_method='mutate')
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launcher = service.ServiceLauncher(CONF, restart_method='mutate')
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launcher.launch_service(wsgi_service.WSGIService())
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launcher.launch_service(wsgi_service.WSGIService())
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launcher.launch_service(RPCService(CONF.host))
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launcher.launch_service(RPCService(CONF.host))
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@ -14,8 +14,12 @@
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import abc
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import abc
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from oslo_concurrency import lockutils
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from oslo_concurrency import lockutils
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from oslo_config import cfg
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import six
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import six
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from ironic_inspector import utils
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CONF = cfg.CONF
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_LOCK_TEMPLATE = 'node-%s'
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_LOCK_TEMPLATE = 'node-%s'
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_SEMAPHORES = lockutils.Semaphores()
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_SEMAPHORES = lockutils.Semaphores()
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@ -24,7 +28,7 @@ _SEMAPHORES = lockutils.Semaphores()
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class BaseLock(object):
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class BaseLock(object):
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@abc.abstractmethod
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@abc.abstractmethod
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def acquire(self, blocking=True, timeout=None):
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def acquire(self, blocking=True):
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"""Acquire lock."""
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"""Acquire lock."""
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@abc.abstractmethod
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@abc.abstractmethod
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@ -44,8 +48,7 @@ class InternalLock(BaseLock):
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semaphores=_SEMAPHORES)
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semaphores=_SEMAPHORES)
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self._locked = False
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self._locked = False
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def acquire(self, blocking=True, timeout=None):
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def acquire(self, blocking=True):
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# NOTE(kaifeng) timeout is only available on python3
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if not self._locked:
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if not self._locked:
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self._locked = self._lock.acquire(blocking=blocking)
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self._locked = self._lock.acquire(blocking=blocking)
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return self._locked
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return self._locked
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@ -66,5 +69,36 @@ class InternalLock(BaseLock):
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self._lock.release()
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self._lock.release()
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class ToozLock(BaseLock):
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"""Locking mechanism based on tooz."""
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def __init__(self, coordinator, uuid, prefix='ironic_inspector_'):
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name = (prefix + uuid).encode()
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self._lock = coordinator.get_lock(name)
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def acquire(self, blocking=True):
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if not self._lock.acquired:
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self._lock.acquire(blocking=blocking)
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return self._lock.acquired
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def release(self):
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if self._lock.acquired:
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self._lock.release()
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def is_locked(self):
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return self._lock.acquired
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def __enter__(self):
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self._lock.acquire()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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self._lock.release()
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def get_lock(uuid):
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def get_lock(uuid):
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return InternalLock(uuid)
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if CONF.standalone:
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return InternalLock(uuid)
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coordinator = utils.get_coordinator()
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return ToozLock(coordinator, uuid)
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@ -21,6 +21,7 @@ from ironic_lib import mdns
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from oslo_config import cfg
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from oslo_config import cfg
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from oslo_log import log
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from oslo_log import log
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import oslo_messaging as messaging
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import oslo_messaging as messaging
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from oslo_utils import excutils
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from oslo_utils import reflection
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from oslo_utils import reflection
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from ironic_inspector.common.i18n import _
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from ironic_inspector.common.i18n import _
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@ -95,6 +96,18 @@ class ConductorManager(object):
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self._zeroconf.register_service('baremetal-introspection',
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self._zeroconf.register_service('baremetal-introspection',
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endpoint)
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endpoint)
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if not CONF.standalone:
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try:
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coordinator = utils.get_coordinator()
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coordinator.start()
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.critical('Failed when connecting to coordination '
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'backend.')
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self.del_host()
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else:
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LOG.info('Successfully connected to coordination backend.')
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def del_host(self):
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def del_host(self):
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if not self._shutting_down.acquire(blocking=False):
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if not self._shutting_down.acquire(blocking=False):
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@ -119,6 +132,15 @@ class ConductorManager(object):
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self._zeroconf = None
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self._zeroconf = None
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self._shutting_down.release()
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self._shutting_down.release()
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if not CONF.standalone:
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try:
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coordinator = utils.get_coordinator()
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if coordinator and coordinator.is_started:
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coordinator.stop()
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except Exception:
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LOG.exception('Failed to stop coordinator')
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LOG.info('Shut down successfully')
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LOG.info('Shut down successfully')
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def _periodics_watchdog(self, callable_, activity, spacing, exc_info,
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def _periodics_watchdog(self, callable_, activity, spacing, exc_info,
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@ -13,6 +13,7 @@
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from oslo_config import cfg
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from oslo_config import cfg
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from ironic_inspector.conf import capabilities
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from ironic_inspector.conf import capabilities
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from ironic_inspector.conf import coordination
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from ironic_inspector.conf import default
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from ironic_inspector.conf import default
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from ironic_inspector.conf import discovery
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from ironic_inspector.conf import discovery
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from ironic_inspector.conf import dnsmasq_pxe_filter
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from ironic_inspector.conf import dnsmasq_pxe_filter
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@ -29,6 +30,7 @@ CONF = cfg.CONF
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capabilities.register_opts(CONF)
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capabilities.register_opts(CONF)
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coordination.register_opts(CONF)
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discovery.register_opts(CONF)
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discovery.register_opts(CONF)
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default.register_opts(CONF)
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default.register_opts(CONF)
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dnsmasq_pxe_filter.register_opts(CONF)
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dnsmasq_pxe_filter.register_opts(CONF)
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@ -0,0 +1,35 @@
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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
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# 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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from oslo_config import cfg
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from ironic_inspector.common.i18n import _
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# NOTE(kaifeng) The capability of various backend varies, please check tooz
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# documentation for driver compatibilities:
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# https://docs.openstack.org/tooz/latest/user/compatibility.html
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_OPTS = [
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cfg.StrOpt('backend_url',
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default='memcached://localhost:11211',
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help=_('The backend URL to use for distributed coordination. '
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'EXPERIMENTAL.')),
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]
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def register_opts(conf):
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conf.register_opts(_OPTS, 'coordination')
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def list_opts():
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return _OPTS
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@ -79,6 +79,9 @@ _OPTS = [
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cfg.BoolOpt('enable_mdns', default=False,
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cfg.BoolOpt('enable_mdns', default=False,
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help=_('Whether to enable publishing the ironic-inspector API '
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help=_('Whether to enable publishing the ironic-inspector API '
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'endpoint via multicast DNS.')),
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'endpoint via multicast DNS.')),
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cfg.BoolOpt('standalone', default=True,
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help=_('Whether to run ironic-inspector as a standalone '
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'service. It\'s EXPERIMENTAL to set to False.'))
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]
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]
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@ -58,6 +58,7 @@ def parse_args(args, default_config_files=None):
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def list_opts():
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def list_opts():
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return [
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return [
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('capabilities', ironic_inspector.conf.capabilities.list_opts()),
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('capabilities', ironic_inspector.conf.capabilities.list_opts()),
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('coordination', ironic_inspector.conf.coordination.list_opts()),
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('DEFAULT', ironic_inspector.conf.default.list_opts()),
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('DEFAULT', ironic_inspector.conf.default.list_opts()),
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('discovery', ironic_inspector.conf.discovery.list_opts()),
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('discovery', ironic_inspector.conf.discovery.list_opts()),
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('dnsmasq_pxe_filter',
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('dnsmasq_pxe_filter',
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@ -0,0 +1,119 @@
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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
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# 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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import mock
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from oslo_config import cfg
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from ironic_inspector.common import locking
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from ironic_inspector.test import base as test_base
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from ironic_inspector import utils
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CONF = cfg.CONF
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@mock.patch.object(locking, 'InternalLock', autospec=True)
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@mock.patch.object(locking, 'ToozLock', autospec=True)
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class TestGetLock(test_base.NodeTest):
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def test_get_lock_internal(self, mock_tooz, mock_internal):
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locking.get_lock(self.node.uuid)
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mock_internal.assert_called_once_with(self.node.uuid)
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mock_tooz.assert_not_called()
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@mock.patch.object(utils, 'get_coordinator', autospec=True)
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def test_get_lock_tooz(self, mock_get_coord, mock_tooz, mock_internal):
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CONF.set_override('standalone', False)
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coordinator = mock.MagicMock()
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mock_get_coord.return_value = coordinator
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locking.get_lock(self.node.uuid)
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mock_tooz.assert_called_once_with(coordinator, self.node.uuid)
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mock_internal.assert_not_called()
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class TestInternalLock(test_base.NodeTest):
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def setUp(self):
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super(TestInternalLock, self).setUp()
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self.mock_lock = mock.MagicMock()
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self.mock_lock.acquire.return_value = True
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@mock.patch.object(locking, 'lockutils', autospec=True)
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def test_init_lock(self, mock_lockutils):
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locking.InternalLock(self.node.uuid)
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mock_lockutils.internal_lock.assert_called_with(
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'node-%s' % self.node.uuid, mock.ANY)
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def test_acquire(self):
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lock = locking.InternalLock(self.node.uuid)
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lock._lock = self.mock_lock
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lock.acquire()
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self.mock_lock.acquire.assert_called_once_with(blocking=True)
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def test_release(self):
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lock = locking.ToozLock(mock.MagicMock(), self.node.uuid)
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lock._lock = self.mock_lock
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self.mock_lock._locked = True
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lock.release()
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self.mock_lock.release.assert_called_once_with()
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def test_context(self):
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lock = locking.InternalLock(self.node.uuid)
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lock._lock = self.mock_lock
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with lock:
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self.mock_lock.acquire.assert_called_once_with()
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self.mock_lock.release.assert_called_once_with()
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class TestToozLock(test_base.NodeTest):
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def setUp(self):
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super(TestToozLock, self).setUp()
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self.mock_lock = mock.MagicMock()
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self.mock_lock.acquire.return_value = True
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self.mock_lock.acquired = False
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def test_lock_default_prefix(self):
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mock_coordinator = mock.MagicMock()
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locking.ToozLock(mock_coordinator, self.node.uuid)
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mock_coordinator.get_lock.assert_called_once_with(
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str.encode('ironic_inspector_%s' % self.node.uuid))
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def test_acquire(self):
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lock = locking.ToozLock(mock.MagicMock(), self.node.uuid)
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lock._lock = self.mock_lock
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lock.acquire()
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self.mock_lock.acquire.assert_called_once_with(blocking=True)
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def test_release(self):
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self.mock_lock.acquired = True
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lock = locking.ToozLock(mock.MagicMock(), self.node.uuid)
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lock._lock = self.mock_lock
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lock.release()
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self.mock_lock.release.assert_called_once_with()
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def test_context(self):
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lock = locking.ToozLock(mock.MagicMock(), self.node.uuid)
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lock._lock = self.mock_lock
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with lock:
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self.mock_lock.acquire.assert_called_once_with()
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self.mock_lock.release.assert_called_once_with()
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@ -139,6 +139,37 @@ class TestManagerInitHost(BaseManagerTest):
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mock_zc.return_value.register_service.assert_called_once_with(
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mock_zc.return_value.register_service.assert_called_once_with(
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'baremetal-introspection', mock_endpoint.return_value)
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'baremetal-introspection', mock_endpoint.return_value)
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@mock.patch.object(utils, 'get_coordinator', autospec=True)
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@mock.patch.object(keystone, 'get_endpoint', autospec=True)
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def test_init_host_with_coordinator(self, mock_endpoint, mock_get_coord):
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CONF.set_override('standalone', False)
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mock_coordinator = mock.MagicMock()
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mock_get_coord.return_value = mock_coordinator
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self.manager.init_host()
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self.mock_db_init.assert_called_once_with()
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self.mock_validate_processing_hooks.assert_called_once_with()
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self.mock_filter.init_filter.assert_called_once_with()
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self.assert_periodics()
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mock_get_coord.assert_called_once_with()
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mock_coordinator.start.assert_called_once_with()
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@mock.patch.object(manager.ConductorManager, 'del_host')
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@mock.patch.object(utils, 'get_coordinator', autospec=True)
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@mock.patch.object(keystone, 'get_endpoint', autospec=True)
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def test_init_host_with_coordinator_failed(self, mock_endpoint,
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mock_get_coord, mock_del_host):
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CONF.set_override('standalone', False)
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||||||
|
mock_get_coord.side_effect = (utils.Error('Reaching coordination '
|
||||||
|
'backend failed.'),
|
||||||
|
None)
|
||||||
|
self.assertRaises(utils.Error, self.manager.init_host)
|
||||||
|
self.mock_db_init.assert_called_once_with()
|
||||||
|
self.mock_validate_processing_hooks.assert_called_once_with()
|
||||||
|
self.mock_filter.init_filter.assert_called_once_with()
|
||||||
|
self.assert_periodics()
|
||||||
|
mock_get_coord.assert_called_once_with()
|
||||||
|
mock_del_host.assert_called_once_with()
|
||||||
|
|
||||||
|
|
||||||
class TestManagerDelHost(BaseManagerTest):
|
class TestManagerDelHost(BaseManagerTest):
|
||||||
def setUp(self):
|
def setUp(self):
|
||||||
|
@ -251,6 +282,26 @@ class TestManagerDelHost(BaseManagerTest):
|
||||||
self.mock_filter.tear_down_filter.assert_called_once_with()
|
self.mock_filter.tear_down_filter.assert_called_once_with()
|
||||||
self.mock__shutting_down.release.assert_called_once_with()
|
self.mock__shutting_down.release.assert_called_once_with()
|
||||||
|
|
||||||
|
@mock.patch.object(utils, 'get_coordinator', autospec=True)
|
||||||
|
def test_del_host_with_coordinator(self, mock_get_coord):
|
||||||
|
CONF.set_override('standalone', False)
|
||||||
|
mock_coordinator = mock.MagicMock()
|
||||||
|
mock_coordinator.is_started = True
|
||||||
|
mock_get_coord.return_value = mock_coordinator
|
||||||
|
|
||||||
|
self.manager.del_host()
|
||||||
|
|
||||||
|
self.assertIsNone(self.manager._zeroconf)
|
||||||
|
self.mock__shutting_down.acquire.assert_called_once_with(
|
||||||
|
blocking=False)
|
||||||
|
self.mock__periodic_worker.stop.assert_called_once_with()
|
||||||
|
self.mock__periodic_worker.wait.assert_called_once_with()
|
||||||
|
self.assertIsNone(self.manager._periodics_worker)
|
||||||
|
self.mock_executor.shutdown.assert_called_once_with(wait=True)
|
||||||
|
self.mock_filter.tear_down_filter.assert_called_once_with()
|
||||||
|
self.mock__shutting_down.release.assert_called_once_with()
|
||||||
|
mock_coordinator.stop.called_once_with()
|
||||||
|
|
||||||
|
|
||||||
class TestManagerPeriodicWatchDog(BaseManagerTest):
|
class TestManagerPeriodicWatchDog(BaseManagerTest):
|
||||||
def setUp(self):
|
def setUp(self):
|
||||||
|
|
|
@ -154,3 +154,14 @@ class TestIsoTimestamp(base.BaseTest):
|
||||||
|
|
||||||
def test_none(self):
|
def test_none(self):
|
||||||
self.assertIsNone(utils.iso_timestamp(None))
|
self.assertIsNone(utils.iso_timestamp(None))
|
||||||
|
|
||||||
|
|
||||||
|
@mock.patch.object(utils, 'coordination', autospec=True)
|
||||||
|
class TestGetCoordinator(base.BaseTest):
|
||||||
|
def test_get(self, mock_coordination):
|
||||||
|
CONF.set_override('backend_url', 'etcd3://1.2.3.4:2379',
|
||||||
|
'coordination')
|
||||||
|
CONF.set_override('host', '1.2.3.5')
|
||||||
|
utils.get_coordinator()
|
||||||
|
mock_coordination.get_coordinator.assert_called_once_with(
|
||||||
|
'etcd3://1.2.3.4:2379', b'1.2.3.5')
|
||||||
|
|
|
@ -21,6 +21,7 @@ from oslo_config import cfg
|
||||||
from oslo_log import log
|
from oslo_log import log
|
||||||
from oslo_middleware import cors as cors_middleware
|
from oslo_middleware import cors as cors_middleware
|
||||||
import pytz
|
import pytz
|
||||||
|
from tooz import coordination
|
||||||
|
|
||||||
from ironic_inspector.common.i18n import _
|
from ironic_inspector.common.i18n import _
|
||||||
from ironic_inspector import policy
|
from ironic_inspector import policy
|
||||||
|
@ -247,3 +248,14 @@ def iso_timestamp(timestamp=None, tz=pytz.timezone('utc')):
|
||||||
return None
|
return None
|
||||||
date = datetime.datetime.fromtimestamp(timestamp, tz=tz)
|
date = datetime.datetime.fromtimestamp(timestamp, tz=tz)
|
||||||
return date.isoformat()
|
return date.isoformat()
|
||||||
|
|
||||||
|
|
||||||
|
_COORDINATOR = None
|
||||||
|
|
||||||
|
|
||||||
|
def get_coordinator():
|
||||||
|
global _COORDINATOR
|
||||||
|
if _COORDINATOR is None:
|
||||||
|
_COORDINATOR = coordination.get_coordinator(
|
||||||
|
CONF.coordination.backend_url, str.encode(CONF.host))
|
||||||
|
return _COORDINATOR
|
||||||
|
|
|
@ -123,6 +123,7 @@ testrepository==0.0.20
|
||||||
testresources==2.0.0
|
testresources==2.0.0
|
||||||
testscenarios==0.4
|
testscenarios==0.4
|
||||||
testtools==2.3.0
|
testtools==2.3.0
|
||||||
|
tooz==1.64.0
|
||||||
traceback2==1.4.0
|
traceback2==1.4.0
|
||||||
unittest2==1.1.0
|
unittest2==1.1.0
|
||||||
urllib3==1.22
|
urllib3==1.22
|
||||||
|
|
|
@ -35,3 +35,4 @@ retrying!=1.3.0,>=1.2.3 # Apache-2.0
|
||||||
six>=1.10.0 # MIT
|
six>=1.10.0 # MIT
|
||||||
stevedore>=1.20.0 # Apache-2.0
|
stevedore>=1.20.0 # Apache-2.0
|
||||||
SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
|
SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
|
||||||
|
tooz>=1.64.0 # Apache-2.0
|
||||||
|
|
Loading…
Reference in New Issue