// 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
}
// 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
}