com.hubspot.singularity.mesos.SingularityMesosFrameworkMessageHandler Maven / Gradle / Ivy

Go to download
package com.hubspot.singularity.mesos;

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.hubspot.singularity.SingularityCreateResult;
import com.hubspot.singularity.SingularityTaskShellCommandUpdate;
import com.hubspot.singularity.data.TaskManager;
import com.hubspot.singularity.data.transcoders.SingularityTranscoderException;
import com.hubspot.singularity.data.transcoders.Transcoder;
import org.apache.mesos.v1.Protos;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Singleton
public class SingularityMesosFrameworkMessageHandler {
  private static final Logger LOG = LoggerFactory.getLogger(
    SingularityMesosFrameworkMessageHandler.class
  );

  private final TaskManager taskManager;
  private final Transcoder commandUpdateTranscoder;

  @Inject
  public SingularityMesosFrameworkMessageHandler(
    TaskManager taskManager,
    Transcoder commandUpdateTranscoder
  ) {
    this.taskManager = taskManager;
    this.commandUpdateTranscoder = commandUpdateTranscoder;
  }

  public void handleMessage(
    Protos.ExecutorID executorId,
    Protos.AgentID agentId,
    byte[] data
  ) {
    SingularityTaskShellCommandUpdate shellUpdate = null;
    try {
      shellUpdate = commandUpdateTranscoder.fromBytes(data);

      SingularityCreateResult saved = taskManager.saveTaskShellCommandUpdate(shellUpdate);

      LOG.debug("Saved {} with result {}", shellUpdate, saved);
    } catch (SingularityTranscoderException ste) {
      LOG.warn("Framework message {} not a commandUpdate", new String(data, UTF_8));
    } catch (Exception e) {
      LOG.error("While processing framework message {}", shellUpdate, e);
    }
  }
}