- self._create_sem.acquire()
- try: next_class.create(self.name)
- finally: self._create_sem.release()
- if not isinstance(self._acct, next_class): self._acct = next_class(self.name, rec)
- else: self._acct.configure(rec)
- if next_class != curr_class: self._acct.start()
+ create_sem.acquire()
+ try: next_class.create(self.name, rec)
+ finally: create_sem.release()
+ if not isinstance(self._acct, next_class): self._acct = next_class(rec)
+ logger.verbose("accounts.ensure_created: %s, running=%r"%(self.name,self.is_running()))
+
+ # reservation_alive is set on reervable nodes, and its value is a boolean
+ if 'reservation_alive' in rec:
+ # reservable nodes
+ if rec['reservation_alive']:
+ # this sliver has the lease, it is safe to start it
+ if not self.is_running(): self.start(rec)
+ else: self.configure(rec)
+ else:
+ # not having the lease, do not start it
+ self.configure(rec)
+ # usual nodes - preserve old code
+ # xxx it's not clear what to do when a sliver changes type/class
+ # in a reservable node
+ else:
+ if not self.is_running() or next_class != curr_class:
+ self.start(rec)
+ else: self.configure(rec)
+
+ def ensure_destroyed(self): self._destroy(self._get_class())
+
+ def start(self, rec, d = 0):
+ self._acct.configure(rec)
+ self._acct.start(delay=d)