def terminateFailed(err, pp):
log.msg(
'Received terminate failure from Argia. CID: %s, Ports: %s -> %s'
% (id(self), self.source_port, self.dest_port),
system=LOG_SYSTEM)
try:
tree = ET.parse(pp.stderr)
message = list(tree.getiterator('message'))[0].text
argia_state = list(tree.getiterator('state'))[0].text
if argia_state == ARGIA_PROVISIONED:
self.state.switchState(state.PROVISIONED)
elif argia_state == ARGIA_TERMINATED:
self.state.switchState(state.TERMINATED)
else:
log.msg(
'Unknown state returned from Argia in terminate faliure',
system=LOG_SYSTEM)
d.errback(
error.TerminateError('Error terminating connection: %s' %
str(message)))
except Exception, e:
log.msg('Error terminating connection in Argia: %s' % message,
system=LOG_SYSTEM)
self._logProcessPipes(pp)
d.errback(
error.TerminateError(
'Error handling termination failure: %s' % str(e)))
def terminateConfirmed(_, pp):
log.msg('Received terminate reply from Argia. CID: %s, Ports: %s -> %s' % (id(self), self.source_port, self.dest_port), system=LOG_SYSTEM)
try:
tree = ET.parse(pp.stdout)
argia_state = list(tree.getiterator('state'))[0].text
if argia_state == ARGIA_TERMINATED:
self.state.switchState(state.TERMINATED)
self.argia_id = None
d.callback(self)
else:
d.errback( error.TerminateError('Got unexpected state from Argia (%s)' % argia_state) )
except Exception, e:
log.msg('Error handling termination reply: %s' % str(e), system=LOG_SYSTEM)
self._logProcessPipes(pp)
d.errback( error.TerminateError('Error handling termination reply: %s' % str(e)) )
def terminate(self):
log.msg('Terminating reservation. CID %s' % id(self),
system=LOG_SYSTEM)
try:
self.state.switchState(state.TERMINATING)
except error.StateTransitionError:
return defer.fail(
error.TerminateError(
'Cannot terminate connection in state %s' % self.state()))
self.scheduler.cancelTransition()
d = defer.Deferred()
def terminateConfirmed(_, pp):
log.msg(
'Received terminate reply from Argia. CID: %s, Ports: %s -> %s'
% (id(self), self.source_port, self.dest_port),
system=LOG_SYSTEM)
try:
tree = ET.parse(pp.stdout)
argia_state = list(tree.getiterator('state'))[0].text
if argia_state == ARGIA_TERMINATED:
self.state.switchState(state.TERMINATED)
self.argia_id = None
d.callback(self)
else:
d.errback(
error.TerminateError(
'Got unexpected state from Argia (%s)' %
argia_state))
except Exception, e:
log.msg('Error handling termination reply: %s' % str(e),
system=LOG_SYSTEM)
self._logProcessPipes(pp)
d.errback(
error.TerminateError(
'Error handling termination reply: %s' % str(e)))
def terminateFailed(self, correlation_id, requester_nsa, provider_nsa,
global_reservation_id, connection_id, connection_state,
error_message):
self.triggerCall(provider_nsa, correlation_id, 'terminate',
error.TerminateError(error_message))
def terminateRequestFailed(err):
# invocation failed, so we error out immediately
self.triggerCall(provider_nsa.urn(), correlation_id, 'terminate',
error.TerminateError(err.getErrorMessage()))
try:
tree = ET.parse(pp.stderr)
message = list(tree.getiterator('message'))[0].text
argia_state = list(tree.getiterator('state'))[0].text
if argia_state == ARGIA_PROVISIONED:
self.state.switchState(state.PROVISIONED)
elif argia_state == ARGIA_TERMINATED:
self.state.switchState(state.TERMINATED)
else:
log.msg('Unknown state returned from Argia in terminate faliure', system=LOG_SYSTEM)
d.errback( error.TerminateError('Error terminating connection: %s' % str(message)) )
except Exception, e:
log.msg('Error terminating connection in Argia: %s' % message, system=LOG_SYSTEM)
self._logProcessPipes(pp)
d.errback( error.TerminateError('Error handling termination failure: %s' % str(e)) )
process_proto = ArgiaProcessProtocol()
try:
reactor.spawnProcess(process_proto, self.command, args=[self.command_bin, ARGIA_CMD_TERMINATE, self.argia_id], path=self.command_dir)
except OSError, e:
return defer.fail(error.TerminateError('Failed to invoke argia control command (%s)' % str(e)))
process_proto.d.addCallbacks(terminateConfirmed, terminateFailed, callbackArgs=[process_proto], errbackArgs=[process_proto])
return d
def query(self, query_filter):
pass