def instantiationFailed(reason):
reason.trap(InstantiationError)
failed=reason.value.value.keys()
log.warn("Can't connect to", ", ".join(failed))
# Delete failed nodes from cluster list
running=self.getNodesList()
for name in failed:
running.remove(name)
# Re-instanciate cluster without nodes in error
d=XenCluster.getDeferInstance(running)
d.addCallbacks(startRecover)
return d
def instantiationFailed(reason):
reason.trap(InstantiationError)
failed = reason.value.value.keys()
log.warn("Can't connect to", ", ".join(failed))
# Delete failed nodes from cluster list
running = self.getNodesList()
for name in failed:
running.remove(name)
# Re-instanciate cluster without nodes in error
d = XenCluster.getDeferInstance(running)
d.addCallbacks(startRecover)
return d
def getCluster(result):
d = XenCluster.getDeferInstance(result)
d.addCallback(doClusterUpdate)
return d
def getCluster(result): d=XenCluster.getDeferInstance(result) d.addCallback(doClusterUpdate) return d
d=XenCluster.getDeferInstance(running)
d.addCallbacks(startRecover)
return d
def startRecover(result):
ds=list()
for name in netFailed|diskFailed:
bothFailed=name in netFailed and name in diskFailed
d=threads.deferToThread(result.recover, name, self.status[name]['vms'], not bothFailed)
d.addCallback(recoverSucceeded, name)
ds.append(d)
dl=defer.DeferredList(ds, consumeErrors=1)
dl.addCallback(recoverEnded)
return dl
# Usecase #4: Start recovery of failed nodes
if len(netFailed)>0 or len(diskFailed)>0:
self.state=MasterService.ST_RECOVERY
log.info("Starting recovery process...")
d=XenCluster.getDeferInstance(self.getNodesList())
d.addCallbacks(startRecover, instantiationFailed)
d.addErrback(recoverFailed)
d.addErrback(log.err)
# vim: ts=4:sw=4:ai
d = XenCluster.getDeferInstance(running)
d.addCallbacks(startRecover)
return d
def startRecover(result):
ds = list()
for name in netFailed | diskFailed:
bothFailed = name in netFailed and name in diskFailed
d = threads.deferToThread(result.recover, name,
self.status[name]['vms'],
not bothFailed)
d.addCallback(recoverSucceeded, name)
ds.append(d)
dl = defer.DeferredList(ds, consumeErrors=1)
dl.addCallback(recoverEnded)
return dl
# Usecase #4: Start recovery of failed nodes
if len(netFailed) > 0 or len(diskFailed) > 0:
self.state = MasterService.ST_RECOVERY
log.info("Starting recovery process...")
d = XenCluster.getDeferInstance(self.getNodesList())
d.addCallbacks(startRecover, instantiationFailed)
d.addErrback(recoverFailed)
d.addErrback(log.err)
# vim: ts=4:sw=4:ai
