def runCommandOnAllRemotes(self, command):
remote_instance_list = []
# use remote _env_runner
args = path.join(self._remote_workspace_dir, 'gumby', self._env_runner) + " " + command
for host in self._cfg['head_nodes']:
msg("Executing command in %s: %s" % (host, args))
remote_instance_list.append(runRemoteCMD(host, args))
return gatherResults(remote_instance_list, consumeErrors=True)
def spawnConfigServer(self):
def onConfServerFailure(failure):
err("Config server died, stopping experiment.")
return failure
cmd = self._cfg['config_server_cmd']
if self._cfg.as_bool("tracker_run_local"):
msg("Spawning local config server with:", cmd)
pp = OneShotProcessProtocol()
args = cmd.split(' ', 1)
reactor.spawnProcess(pp, args[0], args, env=None) # Inherit env from parent
d = pp.getDeferred()
else:
msg("Spawning config server on head node with:", cmd)
final_cmd = path.join(self._remote_workspace_dir, cmd)
host = self._cfg['head_nodes'][0]
d = runRemoteCMD(host, final_cmd)
d.addErrback(onConfServerFailure)
def spawnTracker(self):
def onTrackerFailure(failure):
err("Tracked died, stopping experiment.")
return failure
cmd = self._cfg['tracker_cmd']
if cmd:
if self._cfg.as_bool("tracker_run_local"):
msg("Spawning local tracker with:", cmd)
pp = OneShotProcessProtocol()
args = cmd.split(' ', 1)
reactor.spawnProcess(pp, args[0], args)
d = pp.getDeferred()
else:
msg("Spawning remote tracker on head node with:", cmd)
final_cmd = path.join(self._remote_workspace_dir, cmd)
host = self._cfg['head_nodes'][0]
d = runRemoteCMD(host, final_cmd)
d.addErrback(onTrackerFailure)
