Beispiel #1
0
// Deregister is used to remove a job the cluster.
func (j *Job) Deregister(args *structs.JobDeregisterRequest, reply *structs.JobDeregisterResponse) error {
	if done, err := j.srv.forward("Job.Deregister", args, args, reply); done {
		return err
	}
	defer metrics.MeasureSince([]string{"nomad", "job", "deregister"}, time.Now())

	// Commit this update via Raft
	_, index, err := j.srv.raftApply(structs.JobDeregisterRequestType, args)
	if err != nil {
		j.srv.logger.Printf("[ERR] nomad.job: Deregister failed: %v", err)
		return err
	}

	// Create a new evaluation
	// XXX: The job priority / type is strange for this, since it's not a high
	// priority even if the job was. The scheduler itself also doesn't matter,
	// since all should be able to handle deregistration in the same way.
	eval := &structs.Evaluation{
		ID:             structs.GenerateUUID(),
		Priority:       structs.JobDefaultPriority,
		Type:           structs.JobTypeService,
		TriggeredBy:    structs.EvalTriggerJobDeregister,
		JobID:          args.JobID,
		JobModifyIndex: index,
		Status:         structs.EvalStatusPending,
	}
	update := &structs.EvalUpdateRequest{
		Evals:        []*structs.Evaluation{eval},
		WriteRequest: structs.WriteRequest{Region: args.Region},
	}

	// Commit this evaluation via Raft
	_, evalIndex, err := j.srv.raftApply(structs.EvalUpdateRequestType, update)
	if err != nil {
		j.srv.logger.Printf("[ERR] nomad.job: Eval create failed: %v", err)
		return err
	}

	// Setup the reply
	reply.EvalID = eval.ID
	reply.EvalCreateIndex = evalIndex
	reply.JobModifyIndex = index
	reply.Index = evalIndex
	return nil
}
Beispiel #2
0
// Deregister is used to remove a job the cluster.
func (j *Job) Deregister(args *structs.JobDeregisterRequest, reply *structs.JobDeregisterResponse) error {
	if done, err := j.srv.forward("Job.Deregister", args, args, reply); done {
		return err
	}
	defer metrics.MeasureSince([]string{"nomad", "job", "deregister"}, time.Now())

	// Validate the arguments
	if args.JobID == "" {
		return fmt.Errorf("missing job ID for evaluation")
	}

	// Lookup the job
	snap, err := j.srv.fsm.State().Snapshot()
	if err != nil {
		return err
	}
	job, err := snap.JobByID(args.JobID)
	if err != nil {
		return err
	}
	if job == nil {
		return fmt.Errorf("job not found")
	}

	// Commit this update via Raft
	_, index, err := j.srv.raftApply(structs.JobDeregisterRequestType, args)
	if err != nil {
		j.srv.logger.Printf("[ERR] nomad.job: Deregister failed: %v", err)
		return err
	}

	// Populate the reply with job information
	reply.JobModifyIndex = index

	// If the job is periodic, we don't create an eval.
	if job.IsPeriodic() {
		return nil
	}

	// Create a new evaluation
	// XXX: The job priority / type is strange for this, since it's not a high
	// priority even if the job was. The scheduler itself also doesn't matter,
	// since all should be able to handle deregistration in the same way.
	eval := &structs.Evaluation{
		ID:             structs.GenerateUUID(),
		Priority:       structs.JobDefaultPriority,
		Type:           structs.JobTypeService,
		TriggeredBy:    structs.EvalTriggerJobDeregister,
		JobID:          args.JobID,
		JobModifyIndex: index,
		Status:         structs.EvalStatusPending,
	}
	update := &structs.EvalUpdateRequest{
		Evals:        []*structs.Evaluation{eval},
		WriteRequest: structs.WriteRequest{Region: args.Region},
	}

	// Commit this evaluation via Raft
	_, evalIndex, err := j.srv.raftApply(structs.EvalUpdateRequestType, update)
	if err != nil {
		j.srv.logger.Printf("[ERR] nomad.job: Eval create failed: %v", err)
		return err
	}

	// Populate the reply with eval information
	reply.EvalID = eval.ID
	reply.EvalCreateIndex = evalIndex
	reply.Index = evalIndex
	return nil
}