Exemple #1
0
func (s *Server) appendGraphiteService(c graphite.Config) error {
	if !c.Enabled {
		return nil
	}
	srv, err := graphite.NewService(c)
	if err != nil {
		return err
	}

	srv.PointsWriter = s.PointsWriter
	srv.MetaClient = s.MetaClient
	srv.Monitor = s.Monitor
	s.Services = append(s.Services, srv)
	return nil
}
Exemple #2
0
func Test_ServerGraphiteUDP(t *testing.T) {
	t.Parallel()

	now := time.Now().UTC().Round(time.Second)

	config := graphite.Config{}
	config.Database = "graphitedb"
	config.BatchSize = 0 // No batching.
	config.BatchTimeout = toml.Duration(time.Second)
	config.BindAddress = ":10000"
	config.Protocol = "udp"

	service, err := graphite.NewService(config)
	if err != nil {
		t.Fatalf("failed to create Graphite service: %s", err.Error())
	}

	// Allow test to wait until points are written.
	var wg sync.WaitGroup
	wg.Add(1)

	pointsWriter := PointsWriter{
		WritePointsFn: func(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error {
			defer wg.Done()

			pt, _ := models.NewPoint(
				"cpu",
				map[string]string{},
				map[string]interface{}{"value": 23.456},
				time.Unix(now.Unix(), 0))
			if database != "graphitedb" {
				t.Fatalf("unexpected database: %s", database)
			} else if retentionPolicy != "" {
				t.Fatalf("unexpected retention policy: %s", retentionPolicy)
			} else if points[0].String() != pt.String() {
				t.Fatalf("unexpected points: %#v", points[0].String())
			}
			return nil
		},
	}
	service.PointsWriter = &pointsWriter
	dbCreator := DatabaseCreator{}
	service.MetaClient = &dbCreator

	if err := service.Open(); err != nil {
		t.Fatalf("failed to open Graphite service: %s", err.Error())
	}

	if !dbCreator.Created {
		t.Fatalf("failed to create target database")
	}

	// Connect to the graphite endpoint we just spun up
	_, port, _ := net.SplitHostPort(service.Addr().String())
	conn, err := net.Dial("udp", "127.0.0.1:"+port)
	if err != nil {
		t.Fatal(err)
	}
	data := []byte(`cpu 23.456 `)
	data = append(data, []byte(fmt.Sprintf("%d", now.Unix()))...)
	data = append(data, '\n')
	_, err = conn.Write(data)
	if err != nil {
		t.Fatal(err)
	}

	wg.Wait()
	conn.Close()
}