How to use

requirePidRunning

method

in

org.apache.brooklyn.core.effector.ssh.SshEffectorTasks

@Test(groups="Integration")
public void testNonRunningPidRequired() {
  ProcessTaskWrapper<?> t = submit(SshEffectorTasks.requirePidRunning(99999));
  setExpectingFailure();
  try {
    t.getTask().getUnchecked();
  } catch (Exception e) {
    log.info("The error if required PID is not found is: "+e);
    clearExpectedFailure();
    Assert.assertTrue(e.toString().contains("Process with PID"), "Expected nice clue in error but got: "+e);
  }
  checkExpectedFailure();
}

  protected void checkIsRunningAndStops(Entity mysql, SshMachineLocation lh) {
    Integer pid = getPid(mysql);
    Assert.assertNotNull(pid, "PID should be set as an attribute (or getPid() overridden to supply)");
    Entities.submit(app, SshEffectorTasks.requirePidRunning(pid).machine(lh).newTask() ).get();
    
    app.stop();

    // let the kill -1 take effect 
    Time.sleep(Duration.ONE_SECOND);
    
    // and assert it has died
    log.info("mysql in pid "+pid+" should be dead now");
    // (app has stopped, so submit on mgmt context)
    ProcessTaskWrapper<Integer> t = SshEffectorTasks.codePidRunning(pid).machine(lh).newTask();
    mgmt.getExecutionManager().submit(t);
    Assert.assertNotEquals(t.block().getExitCode(), 0);
  }
}