Example #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.MetaStore = s.MetaStore
	s.Services = append(s.Services, srv)
	return nil
}
Example #2
0
func (s *Server) appendGraphiteService(c graphite.Config) error {
	if !c.Enabled {
		return nil
	}
	l := s.LogService.NewStaticLevelLogger("[graphite] ", log.LstdFlags, wlog.INFO)
	srv, err := graphite.NewService(c)
	if err != nil {
		return err
	}
	srv.SetLogger(l)

	srv.PointsWriter = s.TaskMaster
	srv.MetaStore = s.MetaStore
	s.Services = append(s.Services, srv)
	return nil
}
Example #3
0
func Test_ServerGraphiteTCPTimeout(t *testing.T) {
	t.Parallel()

	config := graphite.NewConfig()
	config.Database = "graphitedb"
	config.BindAddress = ":0"
	config.TCPTimeout = toml.Duration(100 * time.Millisecond)

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

	pointsWriter := PointsWriter{
		WritePointsFn: func(req *cluster.WritePointsRequest) error {
			return nil
		},
	}
	service.PointsWriter = &pointsWriter
	dbCreator := DatabaseCreator{}
	service.MetaStore = &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("tcp", "127.0.0.1:"+port)
	if err != nil {
		t.Fatal(err)
	}

	// The only way to be sure a connection has closed is to try reading from it.
	time.Sleep(200 * time.Millisecond)
	data := make([]byte, 256)
	_, err = conn.Read(data)
	if err != io.EOF {
		t.Fatal("expected Graphite write timeout error")
	}
}
Example #4
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(req *cluster.WritePointsRequest) error {
			defer wg.Done()

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