github.com/uchennaokeke444/nomad@v0.11.8/nomad/plan_endpoint.go (about)

     1  package nomad
     2  
     3  import (
     4  	"time"
     5  
     6  	metrics "github.com/armon/go-metrics"
     7  	log "github.com/hashicorp/go-hclog"
     8  
     9  	"github.com/hashicorp/nomad/nomad/structs"
    10  )
    11  
    12  // Plan endpoint is used for plan interactions
    13  type Plan struct {
    14  	srv    *Server
    15  	logger log.Logger
    16  }
    17  
    18  // Submit is used to submit a plan to the leader
    19  func (p *Plan) Submit(args *structs.PlanRequest, reply *structs.PlanResponse) error {
    20  	if done, err := p.srv.forward("Plan.Submit", args, args, reply); done {
    21  		return err
    22  	}
    23  	defer metrics.MeasureSince([]string{"nomad", "plan", "submit"}, time.Now())
    24  
    25  	// Pause the Nack timer for the eval as it is making progress as long as it
    26  	// is in the plan queue. We resume immediately after we get a result to
    27  	// handle the case that the receiving worker dies.
    28  	plan := args.Plan
    29  	id := plan.EvalID
    30  	token := plan.EvalToken
    31  	if err := p.srv.evalBroker.PauseNackTimeout(id, token); err != nil {
    32  		return err
    33  	}
    34  	defer p.srv.evalBroker.ResumeNackTimeout(id, token)
    35  
    36  	// Submit the plan to the queue
    37  	future, err := p.srv.planQueue.Enqueue(plan)
    38  	if err != nil {
    39  		return err
    40  	}
    41  
    42  	// Wait for the results
    43  	result, err := future.Wait()
    44  	if err != nil {
    45  		return err
    46  	}
    47  
    48  	// Package the result
    49  	reply.Result = result
    50  	reply.Index = result.AllocIndex
    51  	return nil
    52  }