+ will_not_delete = False
+ if kdu_instance not in self.uninstall_locks:
+ self.uninstall_locks[kdu_instance] = asyncio.Lock(loop=self.loop)
+ delete_lock = self.uninstall_locks[kdu_instance]
+
+ while delete_lock.locked():
+ will_not_delete = True
+ await asyncio.sleep(0.1)
+
+ if will_not_delete:
+ self.log.info("Model {} deleted by another worker.".format(kdu_instance))
+ return True
+
+ try:
+ async with delete_lock:
+ libjuju = await self._get_libjuju(kwargs.get("vca_id"))