def _monitoring_loop(self):
vmuuid = self.get_uuid()
log.info("monitor_loop handles VM %s" % (vmuuid))
start_time = time.time()
docker.wipe_docker_other_config(self)
# keep track of when to wipe other_config to safe CPU-time
while not self._stop_monitoring_request:
try:
docker.update_docker_info(self)
docker.update_docker_version(self)
# if we got past the above, it's about time to delete the
# error message, as all appears to be working again
self._wipe_monitor_error_message_if_needed()
try:
try:
self.__monitor_vm_events()
finally:
docker.wipe_docker_other_config(self)
except (XenAPI.Failure, util.XSContainerException):
log.exception("__monitor_vm_events threw an exception, "
"will retry")
raise
except (XenAPI.Failure, util.XSContainerException):
passed_time = time.time() - start_time
if (not self._error_message
and passed_time >= MONITOR_TIMEOUT_WARNING_S):
self._send_monitor_error_message()
log.info("Could not connect to VM %s, will retry" % (vmuuid))
if not self._stop_monitoring_request:
time.sleep(MONITORRETRYSLEEPINS)
# Make sure that we don't leave back error messsages for VMs that are
# not monitored anymore
self._wipe_monitor_error_message_if_needed()
log.info("monitor_loop returns from handling vm %s" % (vmuuid))
def _monitoring_loop(self):
vmuuid = self.get_uuid()
log.info("monitor_loop handles VM %s" % (vmuuid))
start_time = time.time()
docker.wipe_docker_other_config(self)
# keep track of when to wipe other_config to safe CPU-time
while not self._stop_monitoring_request:
try:
docker.update_docker_info(self)
docker.update_docker_version(self)
# if we got past the above, it's about time to delete the
# error message, as all appears to be working again
self._wipe_monitor_error_message_if_needed()
try:
try:
self.__monitor_vm_events()
finally:
docker.wipe_docker_other_config(self)
except (XenAPI.Failure, util.XSContainerException):
log.exception("__monitor_vm_events threw an exception, "
"will retry")
raise
except (XenAPI.Failure, util.XSContainerException):
passed_time = time.time() - start_time
if (not self._error_message
and passed_time >= MONITOR_TIMEOUT_WARNING_S):
self._send_monitor_error_message()
log.info("Could not connect to VM %s, will retry" % (vmuuid))
if not self._stop_monitoring_request:
time.sleep(MONITORRETRYSLEEPINS)
# Make sure that we don't leave back error messsages for VMs that are
# not monitored anymore
self._wipe_monitor_error_message_if_needed()
log.info("monitor_loop returns from handling vm %s" % (vmuuid))
def handle_docker_event(self, event):
if 'status' in event:
if event['status'] in ['create', 'destroy', 'die',
'kill', 'pause', 'restart',
'start', 'stop', 'unpause']:
try:
docker.update_docker_ps(self)
except util.XSContainerException as exception:
# This can happen, when the docker daemon stops
log.exception(exception)
elif event['status'] in ['create', 'destroy', 'delete']:
try:
docker.update_docker_info(self)
except util.XSContainerException as exception:
# This can happen, when the docker daemon stops
log.exception(exception)
def handle_docker_event(self, event):
if 'status' in event:
if event['status'] in ['create', 'destroy', 'die',
'kill', 'pause', 'restart',
'start', 'stop', 'unpause']:
try:
docker.update_docker_ps(self)
except util.XSContainerException, exception:
# This can happen, when the docker daemon stops
log.exception(exception)
elif event['status'] in ['create', 'destroy', 'delete']:
try:
docker.update_docker_info(self)
except util.XSContainerException, exception:
# This can happen, when the docker daemon stops
log.exception(exception)