func MarkTaskUndispatched(t *task.Task) error {
// record that the task as undispatched on the host
if err := t.MarkAsUndispatched(); err != nil {
return err
}
// the task was successfully dispatched, log the event
event.LogTaskUndispatched(t.Id, t.Id)
// update the cached version of the task in its related build document
if err := build.SetCachedTaskUndispatched(t.BuildId, t.Id); err != nil {
return err
}
return nil
}
// MarkAsUndispatched marks that the task has been undispatched from a
// particular host. Unsets the running task field on the host and the
// host id field on the task, as well as updating the cache for the task
// in its build document in the db.
// Returns an error if any of the database updates fail.
func (task *Task) MarkAsUndispatched(host *host.Host) error {
// then, update the task document
task.Status = evergreen.TaskUndispatched
err := UpdateOneTask(
bson.M{
TaskIdKey: task.Id,
},
bson.M{
"$set": bson.M{
TaskStatusKey: evergreen.TaskUndispatched,
},
"$unset": bson.M{
TaskDispatchTimeKey: ZeroTime,
TaskLastHeartbeatKey: ZeroTime,
TaskDistroIdKey: "",
TaskHostIdKey: "",
TaskAbortedKey: "",
TaskTestResultsKey: "",
TaskDetailsKey: "",
TaskMinQueuePosKey: "",
},
},
)
if err != nil {
return fmt.Errorf("error updating task with id %v: %v", task.Id, err)
}
// the task was successfully dispatched, log the event
event.LogTaskUndispatched(task.Id, host.Id)
// update the cached version of the task in its related build document
if err = build.SetCachedTaskUndispatched(task.BuildId, task.Id); err != nil {
return fmt.Errorf("error updating task cache in build %v: %v", task.BuildId, err)
}
return nil
}