def do(self):
usageMessage = containerizer_pb2.Usage()
usageMessage.ParseFromString(ComminicationUtils.receive(self.log))
containerId = usageMessage.container_id.value
resourceStatisticsMessage = mesos_pb2.ResourceStatistics()
resourceStatisticsMessage.timestamp = time.time()
ComminicationUtils.send(resourceStatisticsMessage.SerializeToString())
return
def do(self):
containersCommand = ['lxc-ls', '--active', '-1']
containersMessage = containerizer_pb2.Containers()
self.log.debug(containersCommand)
output = subprocess.check_output(containersCommand)
self.log.debug("Running containers: %s" % output)
for line in output.splitlines():
if len(line) > 0:
container = containersMessage.containers.add()
container.value = line
ComminicationUtils.send(containersMessage.SerializeToString())
def do(self):
waitMessage = containerizer_pb2.Wait()
waitMessage.ParseFromString(ComminicationUtils.receive(self.log))
containerId = waitMessage.container_id.value
self.log.debug("Waiting for EOL of container with ID: %s" % containerId)
pidFilePath = "%s%s.pid" % (self.config['tmp_path'], containerId)
self.log.debug("EX PID file: %s" % pidFilePath)
self.waitPID(int(PIDLockFile(pidFilePath).read_pid()))
DestroyArgument.destroy_container(containerId)
terminationMessage = containerizer_pb2.Termination()
terminationMessage.killed = False
terminationMessage.message = ""
terminationMessage.status = 0
ComminicationUtils.send(terminationMessage.SerializeToString())
def do(self):
launchMessage = containerizer_pb2.Launch()
launchMessage.ParseFromString(ComminicationUtils.receive(self.log))
containerId = launchMessage.container_id.value
self.log.debug(
"Launching container with ID: %s (Task ID: %s)" % (containerId, launchMessage.task_info.task_id.value))
if launchMessage.task_info.container.docker.image == '':
self.log.error("You need to specify image")
return
self.log.debug("lxc-clone")
cloneCommand = ['lxc-clone', '-s', launchMessage.task_info.container.docker.image, containerId]
self.log.debug(cloneCommand)
subprocess.check_call(cloneCommand)
self.log.debug("Preparing LXC config")
self.prepareLxcConfig(launchMessage)
self.log.debug("lxc-start")
startCommand = ['lxc-start', '-d', '-n', containerId, '--logfile', '/dev/stderr']
self.log.debug(startCommand)
subprocess.check_call(startCommand)
self.log.debug("lxc-wait")
waitCommand = ['lxc-wait', '-n', containerId, '--state', 'RUNNING']
self.log.debug(waitCommand)
subprocess.check_call(waitCommand)
self.log.debug("lxc-attach")
self.log.debug(os.environ)
if not os.path.exists(self.config['tmp_path']):
os.mkdir(self.config['tmp_path'])
context = daemon.DaemonContext(pidfile=PIDLockFile(self.config['tmp_path'] + containerId + ".pid"))
with context:
self.launchExecutor(containerId, self.config['executor'], launchMessage.directory)
return
def do(self):
destroyMessage = containerizer_pb2.Destroy()
destroyMessage.ParseFromString(ComminicationUtils.receive(self.log))
self.destroy_container(destroyMessage.container_id.value)
