Switch to oslo.service
oslo.service has graduated, so ironic should consume it. Change-Id: I93f1698016a30916f162a370728e87e18013c2bb Partial-Bug: #1466851
This commit is contained in:
Sergey Vilgelm
parent
f99fa1d975
commit
93e1664321
@ -18,10 +18,10 @@ import re
|
||||
|
||||
from oslo_concurrency import processutils
|
||||
from oslo_config import cfg
|
||||
from oslo_service import loopingcall
|
||||
|
||||
from ironic_lib.openstack.common._i18n import _
|
||||
from ironic_lib.openstack.common._i18n import _LW
|
||||
from ironic_lib.openstack.common import loopingcall
|
||||
|
||||
from ironic_lib import exception
|
||||
from ironic_lib import utils
|
||||
|
||||
@ -1,148 +0,0 @@
|
||||
# Copyright 2010 United States Government as represented by the
|
||||
# Administrator of the National Aeronautics and Space Administration.
|
||||
# Copyright 2011 Justin Santa Barbara
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
# not use this file except in compliance with the License. You may obtain
|
||||
# a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
import logging
|
||||
import sys
|
||||
import time
|
||||
|
||||
from eventlet import event
|
||||
from eventlet import greenthread
|
||||
|
||||
from ironic_lib.openstack.common._i18n import _LE
|
||||
from ironic_lib.openstack.common._i18n import _LW
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
# NOTE(zyluo): This lambda function was declared to avoid mocking collisions
|
||||
# with time.time() called in the standard logging module
|
||||
# during unittests.
|
||||
_ts = lambda: time.time()
|
||||
|
||||
|
||||
class LoopingCallDone(Exception):
|
||||
"""Exception to break out and stop a LoopingCallBase.
|
||||
|
||||
The poll-function passed to LoopingCallBase can raise this exception to
|
||||
break out of the loop normally. This is somewhat analogous to
|
||||
StopIteration.
|
||||
|
||||
An optional return-value can be included as the argument to the exception;
|
||||
this return-value will be returned by LoopingCallBase.wait()
|
||||
|
||||
"""
|
||||
|
||||
def __init__(self, retvalue=True):
|
||||
""":param retvalue: Value that LoopingCallBase.wait() should return."""
|
||||
self.retvalue = retvalue
|
||||
|
||||
|
||||
class LoopingCallBase(object):
|
||||
def __init__(self, f=None, *args, **kw):
|
||||
self.args = args
|
||||
self.kw = kw
|
||||
self.f = f
|
||||
self._running = False
|
||||
self.done = None
|
||||
|
||||
def stop(self):
|
||||
self._running = False
|
||||
|
||||
def wait(self):
|
||||
return self.done.wait()
|
||||
|
||||
|
||||
class FixedIntervalLoopingCall(LoopingCallBase):
|
||||
"""A fixed interval looping call."""
|
||||
|
||||
def start(self, interval, initial_delay=None):
|
||||
self._running = True
|
||||
done = event.Event()
|
||||
|
||||
def _inner():
|
||||
if initial_delay:
|
||||
greenthread.sleep(initial_delay)
|
||||
|
||||
try:
|
||||
while self._running:
|
||||
start = _ts()
|
||||
self.f(*self.args, **self.kw)
|
||||
end = _ts()
|
||||
if not self._running:
|
||||
break
|
||||
delay = end - start - interval
|
||||
if delay > 0:
|
||||
LOG.warn(_LW('task %(func_name)r run outlasted '
|
||||
'interval by %(delay).2f sec'),
|
||||
{'func_name': self.f, 'delay': delay})
|
||||
greenthread.sleep(-delay if delay < 0 else 0)
|
||||
except LoopingCallDone as e:
|
||||
self.stop()
|
||||
done.send(e.retvalue)
|
||||
except Exception:
|
||||
LOG.exception(_LE('in fixed duration looping call'))
|
||||
done.send_exception(*sys.exc_info())
|
||||
return
|
||||
else:
|
||||
done.send(True)
|
||||
|
||||
self.done = done
|
||||
|
||||
greenthread.spawn_n(_inner)
|
||||
return self.done
|
||||
|
||||
|
||||
class DynamicLoopingCall(LoopingCallBase):
|
||||
"""A looping call which sleeps until the next known event.
|
||||
|
||||
The function called should return how long to sleep for before being
|
||||
called again.
|
||||
"""
|
||||
|
||||
def start(self, initial_delay=None, periodic_interval_max=None):
|
||||
self._running = True
|
||||
done = event.Event()
|
||||
|
||||
def _inner():
|
||||
if initial_delay:
|
||||
greenthread.sleep(initial_delay)
|
||||
|
||||
try:
|
||||
while self._running:
|
||||
idle = self.f(*self.args, **self.kw)
|
||||
if not self._running:
|
||||
break
|
||||
|
||||
if periodic_interval_max is not None:
|
||||
idle = min(idle, periodic_interval_max)
|
||||
LOG.debug('Dynamic looping call %(func_name)r sleeping '
|
||||
'for %(idle).02f seconds',
|
||||
{'func_name': self.f, 'idle': idle})
|
||||
greenthread.sleep(idle)
|
||||
except LoopingCallDone as e:
|
||||
self.stop()
|
||||
done.send(e.retvalue)
|
||||
except Exception:
|
||||
LOG.exception(_LE('in dynamic looping call'))
|
||||
done.send_exception(*sys.exc_info())
|
||||
return
|
||||
else:
|
||||
done.send(True)
|
||||
|
||||
self.done = done
|
||||
|
||||
greenthread.spawn(_inner)
|
||||
return self.done
|
||||
@ -2,7 +2,6 @@
|
||||
|
||||
# The list of modules to copy from oslo-incubator
|
||||
module=imageutils
|
||||
module=loopingcall
|
||||
|
||||
# The base module to hold the copy of openstack.common
|
||||
base=ironic_lib
|
||||
|
||||
@ -11,6 +11,7 @@ oslo.concurrency>=2.0.0 # Apache-2.0
|
||||
oslo.config>=1.11.0 # Apache-2.0
|
||||
oslo.middleware!=2.0.0,>=1.2.0 # Apache-2.0
|
||||
oslo.serialization>=1.4.0 # Apache-2.0
|
||||
oslo.service>=0.1.0 # Apache-2.0
|
||||
oslo.utils>=1.6.0 # Apache-2.0
|
||||
PrettyTable<0.8,>=0.7
|
||||
psutil<2.0.0,>=1.1.1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user