Example #1
0
// asyncPlanWait is used to apply and respond to a plan async
func (s *Server) asyncPlanWait(waitCh chan struct{}, future raft.ApplyFuture,
	result *structs.PlanResult, pending *pendingPlan) {
	defer metrics.MeasureSince([]string{"nomad", "plan", "apply"}, time.Now())
	defer close(waitCh)

	// Wait for the plan to apply
	if err := future.Error(); err != nil {
		s.logger.Printf("[ERR] nomad: failed to apply plan: %v", err)
		pending.respond(nil, err)
		return
	}

	// Respond to the plan
	result.AllocIndex = future.Index()

	// If this is a partial plan application, we need to ensure the scheduler
	// at least has visibility into any placements it made to avoid double placement.
	// The RefreshIndex computed by evaluatePlan may be stale due to evaluation
	// against an optimistic copy of the state.
	if result.RefreshIndex != 0 {
		result.RefreshIndex = maxUint64(result.RefreshIndex, result.AllocIndex)
	}
	pending.respond(result, nil)
}
Example #2
0
func (r *RejectPlan) SubmitPlan(*structs.Plan) (*structs.PlanResult, State, error) {
	result := new(structs.PlanResult)
	result.RefreshIndex = r.Harness.NextIndex()
	return result, r.Harness.State, nil
}