def acquireHostId(self, hostId, wait): self.log.info("Acquiring host id for domain %s (id=%s, wait=%s)", self._sdUUID, hostId, wait) # Ensure that future calls to acquire() will wait until host id is # acquired. self._ready.valid = True with self._lock: try: with utils.stopwatch("sanlock.add_lockspace"): sanlock.add_lockspace(self._lockspace_name, hostId, self._idsPath, wait=wait) except sanlock.SanlockException as e: if e.errno == errno.EINPROGRESS: # if the request is not asynchronous wait for the ongoing # lockspace operation to complete else silently continue, # the host id has been acquired or it's in the process of # being acquired (async). if wait: if not sanlock.inq_lockspace(self._lockspace_name, hostId, self._idsPath, wait=True): raise se.AcquireHostIdFailure(self._sdUUID, e) self.log.info( "Host id for domain %s successfully " "acquired (id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set() elif e.errno == errno.EEXIST: self.log.info( "Host id for domain %s already acquired " "(id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set() else: raise se.AcquireHostIdFailure(self._sdUUID, e) else: if wait: self.log.info( "Host id for domain %s successfully " "acquired (id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set()
def acquireHostId(self, hostId, async): with self._lock: self.log.info("Acquiring host id for domain %s (id: %s)", self._sdUUID, hostId) try: sanlock.add_lockspace(self._sdUUID, hostId, self._idsPath, async=async) except sanlock.SanlockException as e: if e.errno == errno.EINPROGRESS: # if the request is not asynchronous wait for the ongoing # lockspace operation to complete if not async and not sanlock.inq_lockspace( self._sdUUID, hostId, self._idsPath, wait=True): raise se.AcquireHostIdFailure(self._sdUUID, e) # else silently continue, the host id has been acquired # or it's in the process of being acquired (async) elif e.errno != errno.EEXIST: raise se.AcquireHostIdFailure(self._sdUUID, e)
def acquireHostId(self, hostId, wait): self.log.info("Acquiring host id for domain %s (id=%s, wait=%s)", self._sdUUID, hostId, wait) # Ensure that future calls to acquire() will wait until host id is # acquired. self._ready.valid = True with self._lock: try: with utils.stopwatch("sanlock.add_lockspace"): sanlock.add_lockspace(self._sdUUID, hostId, self._idsPath, **{'async': not wait}) except sanlock.SanlockException as e: if e.errno == errno.EINPROGRESS: # if the request is not asynchronous wait for the ongoing # lockspace operation to complete else silently continue, # the host id has been acquired or it's in the process of # being acquired (async). if wait: if not sanlock.inq_lockspace(self._sdUUID, hostId, self._idsPath, wait=True): raise se.AcquireHostIdFailure(self._sdUUID, e) self.log.info("Host id for domain %s successfully " "acquired (id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set() elif e.errno == errno.EEXIST: self.log.info("Host id for domain %s already acquired " "(id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set() else: raise se.AcquireHostIdFailure(self._sdUUID, e) else: if wait: self.log.info("Host id for domain %s successfully " "acquired (id=%s, wait=%s)", self._sdUUID, hostId, wait) self._ready.set()