def insubstantiate(self, fast=False, force_substantiation_build=None):
# If force_substantiation_build is not None, we'll try to substantiate the given build
# after insubstantiation concludes. This parameter allows to go directly to the
# SUBSTANTIATING state without going through NOT_SUBSTANTIATED state.
log.msg("insubstantiating worker {}".format(self))
if self.state == States.INSUBSTANTIATING_SUBSTANTIATING:
self.state = States.INSUBSTANTIATING
self.substantiation_build = None
self._fireSubstantiationNotifier(
failure.Failure(LatentWorkerSubstantiatiationCancelled()))
try:
self._log_start_stop_locked('insubstantiating')
yield self._start_stop_lock.acquire()
assert self.state not in [States.INSUBSTANTIATING,
States.INSUBSTANTIATING_SUBSTANTIATING]
if self.state == States.NOT_SUBSTANTIATED:
return
prev_state = self.state
if force_substantiation_build is not None:
self.state = States.INSUBSTANTIATING_SUBSTANTIATING
self.substantiation_build = force_substantiation_build
else:
self.state = States.INSUBSTANTIATING
if prev_state == States.SUBSTANTIATING:
self._fireSubstantiationNotifier(
failure.Failure(LatentWorkerSubstantiatiationCancelled()))
self._clearBuildWaitTimer()
try:
yield self.stop_instance(fast)
except Exception as e:
# The case of failure for insubstantiation is bad as we have a
# left-over costing resource There is not much thing to do here
# generically, so we must put the problem of stop_instance
# reliability to the backend driver
log.err(e, "while insubstantiating")
assert self.state in [States.INSUBSTANTIATING,
States.INSUBSTANTIATING_SUBSTANTIATING]
if self.state == States.INSUBSTANTIATING_SUBSTANTIATING:
build, self.substantiation_build = self.substantiation_build, None
self.state = States.SUBSTANTIATING
self._substantiate(build)
else: # self.state == States.INSUBSTANTIATING:
self.state = States.NOT_SUBSTANTIATED
finally:
self._start_stop_lock.release()
self.botmaster.maybeStartBuildsForWorker(self.name)
def insubstantiate(self, fast=False, _force_substantiation=False):
# _force_substantiation=True means we'll try to substantiate a build
# with stored substantiation_build at the end of substantiation
log.msg("insubstantiating worker {}".format(self))
if self.state == States.NOT_SUBSTANTIATED:
return
if self.state in [
States.INSUBSTANTIATING, States.INSUBSTANTIATING_SUBSTANTIATING
]:
yield self._insubstantiation_notifier.wait()
return
notify_cancel = self.state == States.SUBSTANTIATING
if _force_substantiation:
self.state = States.INSUBSTANTIATING_SUBSTANTIATING
else:
self.state = States.INSUBSTANTIATING
self._clearBuildWaitTimer()
d = self.stop_instance(fast)
try:
yield d
except Exception as e:
# The case of failure for insubstantiation is bad as we have a
# left-over costing resource There is not much thing to do here
# generically, so we must put the problem of stop_instance
# reliability to the backend driver
log.err(e, "while insubstantiating")
assert self.state in [
States.INSUBSTANTIATING, States.INSUBSTANTIATING_SUBSTANTIATING
]
if notify_cancel:
self._fireSubstantiationNotifier(
failure.Failure(LatentWorkerSubstantiatiationCancelled()))
if self.state == States.INSUBSTANTIATING_SUBSTANTIATING:
self.state = States.SUBSTANTIATING
if self._insubstantiation_notifier:
self._insubstantiation_notifier.notify(True)
self._substantiate(self.substantiation_build)
elif self.state == States.INSUBSTANTIATING:
self.state = States.NOT_SUBSTANTIATED
if self._insubstantiation_notifier:
self._insubstantiation_notifier.notify(True)
else:
pass
self.botmaster.maybeStartBuildsForWorker(self.name)
def insubstantiate(self, fast=False):
self.insubstantiating = True
self._clearBuildWaitTimer()
d = self.stop_instance(fast)
try:
yield d
except Exception as e:
# The case of failure for insubstantiation is bad as we have a left-over costing ressource
# There is not much thing to do here generically, so we must put the problem of stop_instance
# reliability to the backend driver
log.err(e, "while insubstantiating")
self.insubstantiating = False
if self._substantiation_notifier:
self._substantiation_notifier.notify(
failure.Failure(LatentWorkerSubstantiatiationCancelled()))
self.botmaster.maybeStartBuildsForWorker(self.name)