Fix test and prevent job with payload from being submitted

client/driver/driver_test.go

@@ -118,6 +118,7 @@ func TestDriver_GetTaskEnv(t *testing.T) {
 	}
 
 	alloc := mock.Alloc()
+	alloc.Job.TaskGroups[0].Tasks[0] = task
 	alloc.Name = "Bar"
 	env, err := GetTaskEnv(nil, nil, task, alloc, "")
 	if err != nil {

command/agent/job_endpoint_test.go

@@ -584,6 +584,7 @@ func TestHTTP_JobDispatch(t *testing.T) {
 	httpTest(t, nil, func(s *TestServer) {
 		// Create the constructor job
 		job := mock.Job()
+		job.Type = structs.JobTypeBatch
 		job.Constructor = &structs.ConstructorConfig{}
 
 		args := structs.JobRegisterRequest{

nomad/job_endpoint.go

@@ -773,6 +773,10 @@ func validateJob(job *structs.Job) error {
 		multierror.Append(validationErrors, fmt.Errorf("job type cannot be core"))
 	}
 
+	if len(job.Payload) != 0 {
+		multierror.Append(validationErrors, fmt.Errorf("job can't be submitted with a payload, only dispatched"))
+	}
+
 	return validationErrors.ErrorOrNil()
 }
 

nomad/job_endpoint_test.go

@@ -116,6 +116,35 @@ func TestJobEndpoint_Register_InvalidDriverConfig(t *testing.T) {
 	}
 }
 
+func TestJobEndpoint_Register_Payload(t *testing.T) {
+	s1 := testServer(t, func(c *Config) {
+		c.NumSchedulers = 0 // Prevent automatic dequeue
+	})
+	defer s1.Shutdown()
+	codec := rpcClient(t, s1)
+	testutil.WaitForLeader(t, s1.RPC)
+
+	// Create the register request with a job containing an invalid driver
+	// config
+	job := mock.Job()
+	job.Payload = []byte{0x1}
+	req := &structs.JobRegisterRequest{
+		Job:          job,
+		WriteRequest: structs.WriteRequest{Region: "global"},
+	}
+
+	// Fetch the response
+	var resp structs.JobRegisterResponse
+	err := msgpackrpc.CallWithCodec(codec, "Job.Register", req, &resp)
+	if err == nil {
+		t.Fatalf("expected a validation error")
+	}
+
+	if !strings.Contains(err.Error(), "payload") {
+		t.Fatalf("expected a payload error but got: %v", err)
+	}
+}
+
 func TestJobEndpoint_Register_Existing(t *testing.T) {
 	s1 := testServer(t, func(c *Config) {
 		c.NumSchedulers = 0 // Prevent automatic dequeue
@@ -259,6 +288,7 @@ func TestJobEndpoint_Register_Constructor(t *testing.T) {
 
 	// Create the register request for a constructor job.
 	job := mock.Job()
+	job.Type = structs.JobTypeBatch
 	job.Constructor = &structs.ConstructorConfig{}
 	req := &structs.JobRegisterRequest{
 		Job:          job,
@@ -766,6 +796,7 @@ func TestJobEndpoint_Evaluate_Constructor(t *testing.T) {
 
 	// Create the register request
 	job := mock.Job()
+	job.Type = structs.JobTypeBatch
 	job.Constructor = &structs.ConstructorConfig{}
 	req := &structs.JobRegisterRequest{
 		Job:          job,
@@ -983,6 +1014,7 @@ func TestJobEndpoint_Deregister_Constructor(t *testing.T) {
 
 	// Create the register request
 	job := mock.Job()
+	job.Type = structs.JobTypeBatch
 	job.Constructor = &structs.ConstructorConfig{}
 	reg := &structs.JobRegisterRequest{
 		Job:          job,
@@ -1860,28 +1892,33 @@ func TestJobEndpoint_Dispatch(t *testing.T) {
 
 	// No requirements
 	d1 := mock.Job()
+	d1.Type = structs.JobTypeBatch
 	d1.Constructor = &structs.ConstructorConfig{}
 
 	// Require input data
 	d2 := mock.Job()
+	d2.Type = structs.JobTypeBatch
 	d2.Constructor = &structs.ConstructorConfig{
 		Payload: structs.DispatchPayloadRequired,
 	}
 
 	// Disallow input data
 	d3 := mock.Job()
+	d3.Type = structs.JobTypeBatch
 	d3.Constructor = &structs.ConstructorConfig{
 		Payload: structs.DispatchPayloadForbidden,
 	}
 
 	// Require meta
 	d4 := mock.Job()
+	d4.Type = structs.JobTypeBatch
 	d4.Constructor = &structs.ConstructorConfig{
 		MetaRequired: []string{"foo", "bar"},
 	}
 
 	// Optional meta
 	d5 := mock.Job()
+	d5.Type = structs.JobTypeBatch
 	d5.Constructor = &structs.ConstructorConfig{
 		MetaOptional: []string{"foo", "bar"},
 	}

nomad/structs/structs.go

@@ -2477,7 +2477,7 @@ func (t *Task) Validate(ephemeralDisk *EphemeralDisk) error {
 	// Validate the dispatch input block if there
 	if t.DispatchInput != nil {
 		if err := t.DispatchInput.Validate(); err != nil {
-			mErr.Errors = append(mErr.Errors, err)
+			mErr.Errors = append(mErr.Errors, fmt.Errorf("Dispatch Input validation failed: %v", err))
 		}
 	}
 
@@ -3006,7 +3006,7 @@ func (ta *TaskArtifact) Validate() error {
 	if err != nil {
 		mErr.Errors = append(mErr.Errors, fmt.Errorf("invalid destination path: %v", err))
 	} else if escaped {
-		mErr.Errors = append(mErr.Errors, fmt.Errorf("destination escapes task's directory"))
+		mErr.Errors = append(mErr.Errors, fmt.Errorf("destination escapes allocation directory"))
 	}
 
 	// Verify the checksum