func (sched *ExampleScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
log.Infoln("Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
for _, task := range sched.tasks {
if task.name == status.TaskId.GetValue() &&
(status.GetState() == mesos.TaskState_TASK_FINISHED ||
status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED ||
status.GetState() == mesos.TaskState_TASK_ERROR) {
// No matter what the outcome was, move to finished state so that we can unreserve resources
task.state = FinishedState
}
}
if status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED ||
status.GetState() == mesos.TaskState_TASK_ERROR {
log.Infoln(
"Task", status.TaskId.GetValue(),
"is in unexpected state", status.State.String(),
"with message", status.GetMessage(),
". Unreserving resources",
)
}
}
func (sched *SdcScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
log.Infoln("Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
if status.GetState() == mesos.TaskState_TASK_FINISHED {
sched.tasksFinished++
// KillTaskを実行するとTASK_LOSTが検知され、フレームワークが止まる
// driver.KillTask(status.TaskId)
// log.Infoln("!! Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
// return
}
if sched.tasksFinished >= sched.totalTasks {
// log.Infoln("Total tasks completed, stopping framework.")
log.Infoln("Total tasks completed.")
sched.tasksFinished = 0
sched.totalTasks = 0
sched.tasksLaunched = 0
// driver.Stop(false)
}
if status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED ||
status.GetState() == mesos.TaskState_TASK_ERROR {
log.Infoln(
"Aborting because task", status.TaskId.GetValue(),
"is in unexpected state", status.State.String(),
"with message", status.GetMessage(),
)
driver.Abort()
}
}
func (sched *MesosRunonceScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
log.V(1).Infoln("Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
eventCh <- status
if status.GetState() == mesos.TaskState_TASK_FINISHED {
sched.tasksFinished++
}
if sched.tasksFinished >= sched.totalTasks {
log.V(1).Infoln("Total tasks completed, stopping framework.")
driver.Stop(false)
}
if status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED ||
status.GetState() == mesos.TaskState_TASK_ERROR {
exitStatus = 1
log.Warningf("mesos TaskStatus: %v", status)
driver.Stop(false)
log.Errorln(
"Aborting because task", status.TaskId.GetValue(),
"is in unexpected state", status.State.String(),
"with message.", status.GetMessage(),
)
}
}
func (sched *Scheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
if glog.V(1) {
glog.Infof("status update from task %s in state %s under executor %s on slave %s: %s",
status.GetTaskId().GetValue(),
status.GetState(),
status.GetExecutorId().GetValue(),
status.GetSlaveId().GetValue(),
status.GetMessage(),
)
}
}
func statusString(status *mesos.TaskStatus) string {
s := fmt.Sprintf("%s %s slave: %s", status.GetTaskId().GetValue(), status.GetState().String(), idString(status.GetSlaveId().GetValue()))
if status.GetState() != mesos.TaskState_TASK_RUNNING {
s += " reason: " + status.GetReason().String()
}
if status.GetMessage() != "" {
s += " message: " + status.GetMessage()
}
return s
}
func (sched *ScraperScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
log.Infoln("Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
if status.GetState() == mesos.TaskState_TASK_FINISHED {
sched.tasksFinished++
log.Infof("%v of %v tasks finished.", sched.tasksFinished, sched.totalTasks)
uri := string(status.Data)
db, err := sql.Open("sqlite3", "./database.db")
if err != nil {
log.Fatal("Failed to connect to database: %v\n", err)
}
defer db.Close()
tx, err := db.Begin()
if err != nil {
log.Fatal(err)
}
stmt, err := tx.Prepare("insert into runs(uri, storage_path, last_scrape_time) values(?, ?, ?)")
if err != nil {
log.Fatal(err)
}
path := base64.StdEncoding.EncodeToString([]byte(uri))
_, err = stmt.Exec(uri, path, time.Now().Unix())
if err != nil {
log.Fatal(err)
}
defer stmt.Close()
tx.Commit()
}
if sched.tasksFinished >= sched.totalTasks {
log.Infoln("Tasks that we know about are done!")
}
if status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED {
log.Infoln(
"Aborting because task", status.TaskId.GetValue(),
"is in unexpected state", status.State.String(),
"with message", status.GetMessage(),
)
driver.Abort()
}
}
func (k *framework) reconcileTerminalTask(driver bindings.SchedulerDriver, taskStatus *mesos.TaskStatus) {
task, state := k.sched.Tasks().UpdateStatus(taskStatus)
if (state == podtask.StateRunning || state == podtask.StatePending) &&
((taskStatus.GetSource() == mesos.TaskStatus_SOURCE_MASTER && taskStatus.GetReason() == mesos.TaskStatus_REASON_RECONCILIATION) ||
(taskStatus.GetSource() == mesos.TaskStatus_SOURCE_SLAVE && taskStatus.GetReason() == mesos.TaskStatus_REASON_EXECUTOR_TERMINATED) ||
(taskStatus.GetSource() == mesos.TaskStatus_SOURCE_SLAVE && taskStatus.GetReason() == mesos.TaskStatus_REASON_EXECUTOR_UNREGISTERED) ||
(taskStatus.GetSource() == mesos.TaskStatus_SOURCE_EXECUTOR && taskStatus.GetMessage() == messages.ContainersDisappeared) ||
(taskStatus.GetSource() == mesos.TaskStatus_SOURCE_EXECUTOR && taskStatus.GetMessage() == messages.KubeletPodLaunchFailed) ||
(taskStatus.GetSource() == mesos.TaskStatus_SOURCE_EXECUTOR && taskStatus.GetMessage() == messages.TaskKilled && !task.Has(podtask.Deleted))) {
//--
// pod-task has metadata that refers to:
// (1) a task that Mesos no longer knows about, or else
// (2) a pod that the Kubelet will never report as "failed"
// (3) a pod that the kubeletExecutor reported as lost (likely due to docker daemon crash/restart)
// (4) a pod that the kubeletExecutor reported as lost because the kubelet didn't manage to launch it (in time)
// (5) a pod that the kubeletExecutor killed, but the scheduler didn't ask for that (maybe killed by the master)
// For now, destroy the pod and hope that there's a replication controller backing it up.
// TODO(jdef) for case #2 don't delete the pod, just update it's status to Failed
pod := &task.Pod
log.Warningf("deleting rogue pod %v/%v for lost task %v", pod.Namespace, pod.Name, task.ID)
if err := k.client.Core().Pods(pod.Namespace).Delete(pod.Name, api.NewDeleteOptions(0)); err != nil && !errors.IsNotFound(err) {
log.Errorf("failed to delete pod %v/%v for terminal task %v: %v", pod.Namespace, pod.Name, task.ID, err)
}
} else if taskStatus.GetReason() == mesos.TaskStatus_REASON_EXECUTOR_TERMINATED || taskStatus.GetReason() == mesos.TaskStatus_REASON_EXECUTOR_UNREGISTERED {
// attempt to prevent dangling pods in the pod and task registries
log.V(1).Infof("request explicit reconciliation to clean up for task %v after executor reported (terminated/unregistered)", taskStatus.TaskId.GetValue())
k.tasksReconciler.RequestExplicit()
} else if taskStatus.GetState() == mesos.TaskState_TASK_LOST && state == podtask.StateRunning && taskStatus.ExecutorId != nil && taskStatus.SlaveId != nil {
//TODO(jdef) this may not be meaningful once we have proper checkpointing and master detection
//If we're reconciling and receive this then the executor may be
//running a task that we need it to kill. It's possible that the framework
//is unrecognized by the master at this point, so KillTask is not guaranteed
//to do anything. The underlying driver transport may be able to send a
//FrameworkMessage directly to the slave to terminate the task.
log.V(2).Info("forwarding TASK_LOST message to executor %v on slave %v", taskStatus.ExecutorId, taskStatus.SlaveId)
data := fmt.Sprintf("%s:%s", messages.TaskLost, task.ID) //TODO(jdef) use a real message type
if _, err := driver.SendFrameworkMessage(taskStatus.ExecutorId, taskStatus.SlaveId, data); err != nil {
log.Error(err.Error())
}
}
}
func Status(status *mesos.TaskStatus) string {
var buffer bytes.Buffer
buffer.WriteString(fmt.Sprintf("%s %s", status.GetTaskId().GetValue(), status.GetState().String()))
if status.GetSlaveId() != nil && status.GetSlaveId().GetValue() != "" {
buffer.WriteString(" slave: ")
buffer.WriteString(ID(status.GetSlaveId().GetValue()))
}
if status.GetState() != mesos.TaskState_TASK_RUNNING {
buffer.WriteString(" reason: ")
buffer.WriteString(status.GetReason().String())
}
if status.GetMessage() != "" {
buffer.WriteString(" message: ")
buffer.WriteString(status.GetMessage())
}
return buffer.String()
}
func (sched *ExampleScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos.TaskStatus) {
log.Infoln("Status update: task", status.TaskId.GetValue(), " is in state ", status.State.Enum().String())
if status.GetState() == mesos.TaskState_TASK_FINISHED {
sched.tasksFinished++
}
if sched.tasksFinished >= sched.totalTasks {
log.Infoln("Total tasks completed, stopping framework.")
driver.Stop(false)
}
if status.GetState() == mesos.TaskState_TASK_LOST ||
status.GetState() == mesos.TaskState_TASK_KILLED ||
status.GetState() == mesos.TaskState_TASK_FAILED {
log.Infoln(
"Aborting because task", status.TaskId.GetValue(),
"is in unexpected state", status.State.String(),
"with message", status.GetMessage(),
)
driver.Abort()
}
}
func (s *EtcdScheduler) StatusUpdate(
driver scheduler.SchedulerDriver,
status *mesos.TaskStatus,
) {
s.mut.Lock()
defer s.mut.Unlock()
log.Infoln(
"Status update: task",
status.TaskId.GetValue(),
" is in state ",
status.State.Enum().String(),
)
node, err := config.Parse(status.GetTaskId().GetValue())
if err != nil {
log.Errorf("scheduler: failed to unmarshal config.Node from TaskId: %s", err)
return
}
node.SlaveID = status.SlaveId.GetValue()
// record that we've heard about this task
s.heardFrom[status.GetTaskId().GetValue()] = struct{}{}
switch status.GetState() {
case mesos.TaskState_TASK_LOST,
mesos.TaskState_TASK_FINISHED,
mesos.TaskState_TASK_KILLED,
mesos.TaskState_TASK_ERROR,
mesos.TaskState_TASK_FAILED:
log.Errorf("Task contraction: %+v", status.GetState())
log.Errorf("message: %s", status.GetMessage())
log.Errorf("reason: %+v", status.GetReason())
atomic.AddUint32(&s.Stats.FailedServers, 1)
// TODO(tyler) kill this
// Pump the brakes so that we have time to deconfigure the lost node
// before adding a new one. If we don't deconfigure first, we risk
// split brain.
s.PumpTheBrakes()
// now we know this task is dead
delete(s.pending, node.Name)
delete(s.running, node.Name)
delete(s.tasks, node.Name)
// We don't have to clean up the state in ZK for this
// as it is fine to eventually just persist when we
// receive a new TASK_RUNNING below.
delete(s.reconciliationInfo, status.TaskId.GetValue())
s.QueueLaunchAttempt()
// TODO(tyler) do we want to lock if the first task fails?
// TODO(tyler) can we handle a total loss at reconciliation time,
// when s.state == Immutable?
if len(s.running) == 0 && s.state == Mutable {
log.Error("TOTAL CLUSTER LOSS! LOCKING SCHEDULER, " +
"FOLLOW RESTORATION GUIDE AT " +
"https://github.com/mesosphere/" +
"etcd-mesos/blob/master/docs/response.md")
s.state = Immutable
}
case mesos.TaskState_TASK_STARTING:
case mesos.TaskState_TASK_RUNNING:
// We update data to ZK synchronously because it must happen
// in-order. If we spun off a goroutine this would possibly retry
// and succeed in the wrong order, and older data would win.
// We keep this simple here, as if ZK is healthy this won't take long.
// If this takes long, we're probably about to die anyway, as ZK is
// displeased and mesos-go will panic when it loses contact.
s.reconciliationInfo[status.TaskId.GetValue()] = status.SlaveId.GetValue()
err = s.updateReconciliationInfoFunc(
s.reconciliationInfo,
s.ZkServers,
s.ZkChroot,
s.FrameworkName,
)
if err != nil {
log.Errorf("Failed to persist reconciliation info: %+v", err)
}
delete(s.pending, node.Name)
_, present := s.running[node.Name]
if !present {
s.running[node.Name] = node
s.tasks[node.Name] = status.TaskId
}
// During reconcilliation, we may find nodes with higher ID's due to ntp drift
etcdIndexParts := strings.Split(node.Name, "-")
if len(etcdIndexParts) != 2 {
log.Warning("Task has a Name that does not follow the form etcd-<index>")
} else {
etcdIndex, err := strconv.ParseInt(etcdIndexParts[1], 10, 64)
if err != nil {
log.Warning("Task has a Name that does not follow the form etcd-<index>")
} else {
if etcdIndex > s.highestInstanceID {
s.highestInstanceID = etcdIndex + 1
}
}
}
default:
log.Warningf("Received unhandled task state: %+v", status.GetState())
}
}
func (ctx *RunOnceApplicationContext) StatusUpdate(driver scheduler.SchedulerDriver, status *mesos.TaskStatus) bool {
ctx.lock.Lock()
defer ctx.lock.Unlock()
hostname := hostnameFromTaskID(status.GetTaskId().GetValue())
ctx.updateTaskState(status)
switch status.GetState() {
case mesos.TaskState_TASK_RUNNING:
log.Infof("Task %s received status update in state %s", status.GetTaskId().GetValue(), status.GetState().String())
case mesos.TaskState_TASK_LOST, mesos.TaskState_TASK_FAILED, mesos.TaskState_TASK_ERROR:
//TODO also kill all other running tasks sometime?
ctx.StatusChan <- framework.NewApplicationRunStatus(ctx.Application, fmt.Errorf("Application %s failed to run on host %s with status %s: %s", ctx.Application.ID, hostname, status.GetState().String(), status.GetMessage()))
return true
case mesos.TaskState_TASK_FINISHED, mesos.TaskState_TASK_KILLED:
if ctx.allTasksFinished() {
ctx.StatusChan <- framework.NewApplicationRunStatus(ctx.Application, nil)
return true
}
default:
log.Warningf("Got unexpected task state %s", pretty.Status(status))
}
return false
}