def _detach_volumes_task(self):
'''
Detach volumes from the instance
'''
detach_tasks = (volume.VolumeDetachTask(self.stack, self.resource_id,
volume_id)
for volume_id, device in self.volumes())
return scheduler.PollingTaskGroup(detach_tasks)
def handle_delete(self):
'''
Delete an instance, blocking until it is disposed by OpenStack
'''
if self.resource_id is None:
return
detach_tasks = (volume.VolumeDetachTask(self.stack, self.resource_id,
volume_id)
for volume_id, device in self.volumes())
scheduler.TaskRunner(scheduler.PollingTaskGroup(detach_tasks))()
try:
server = self.nova().servers.get(self.resource_id)
except clients.novaclient.exceptions.NotFound:
pass
else:
delete = scheduler.TaskRunner(self._delete_server, server)
delete(wait_time=0.2)
self.resource_id = None