Esempio n. 1
0
func TestRewrite(t *testing.T) {
	servers, mds := ringN(t, 3)
	client := newServer(t, mds)
	err := distributor.OpenReplication(client)
	if err != nil {
		t.Fatal(err)
	}
	defer client.Close()
	size := BlockSize * 100
	data := makeTestData(size)
	input := bytes.NewReader(data)
	f := createVol(t, client, "testvol", uint64(size))

	for i := 0; i <= 100; i++ {
		input.Seek(int64(i%100), 0)
		f.Seek(int64(i%100), 0)
		_, err := io.Copy(f, input)
		if err != nil {
			t.Fatalf("couldn't copy: %v", err)
		}
		err = f.Sync()
		if err != nil {
			t.Fatalf("couldn't sync: %v", err)
		}
	}

	err = f.Close()
	if err != nil {
		t.Fatalf("couldn't close: %v", err)
	}
	compareBytes(t, mds, data, "testvol")
	closeAll(t, servers...)
}
Esempio n. 2
0
func TestLoadAndDump(t *testing.T) {
	servers, mds := ringN(t, 3)
	client := newServer(t, mds)
	err := distributor.OpenReplication(client)
	if err != nil {
		t.Fatal(err)
	}
	defer client.Close()
	size := BlockSize * 100
	data := makeTestData(size)
	input := bytes.NewReader(data)
	f := createVol(t, client, "testvol", uint64(size))
	copied, err := io.Copy(f, input)
	if err != nil {
		t.Fatalf("couldn't copy: %v", err)
	}
	err = f.Sync()
	if err != nil {
		t.Fatalf("couldn't sync: %v", err)
	}
	err = f.Close()
	if err != nil {
		t.Fatalf("couldn't close: %v", err)
	}
	fmt.Printf("copied %d bytes\n", copied)

	compareBytes(t, mds, data, "testvol")
	closeAll(t, servers...)
}
Esempio n. 3
0
func BenchmarkLoadThree(b *testing.B) {
	b.StopTimer()

	servers, mds := ringN(b, 3)
	client := newServer(b, mds)
	err := distributor.OpenReplication(client)
	if err != nil {
		b.Fatal(err)
	}
	defer client.Close()
	size := BlockSize * 100
	data := makeTestData(size)

	b.StartTimer()

	for i := 0; i < b.N; i++ {
		input := bytes.NewReader(data)
		volname := fmt.Sprintf("testvol-%d", i)

		err = block.CreateBlockVolume(client.MDS, volname, uint64(size))
		if err != nil {
			b.Fatalf("couldn't create block volume %s: %v", volname, err)
		}
		blockvol, err := block.OpenBlockVolume(client, volname)
		if err != nil {
			b.Fatalf("couldn't open block volume %s: %v", volname, err)
		}
		f, err := blockvol.OpenBlockFile()
		if err != nil {
			b.Fatalf("couldn't open blockfile %s: %v", volname, err)
		}
		copied, err := io.Copy(f, input)
		if err != nil {
			b.Fatalf("couldn't copy: %v", err)
		}
		err = f.Sync()
		if err != nil {
			b.Fatalf("couldn't sync: %v", err)
		}
		err = f.Close()
		if err != nil {
			b.Fatalf("couldn't close: %v", err)
		}

		b.Logf("copied %d bytes", copied)
	}

	b.SetBytes(int64(size))

	b.StopTimer()
	closeAll(b, servers...)
	b.StartTimer()
}
Esempio n. 4
0
func createServer() *torus.Server {
	cfg := flagconfig.BuildConfigFromFlags()
	srv, err := torus.NewServer(cfg, "etcd", "temp")
	if err != nil {
		die("Couldn't start: %s\n", err)
	}
	err = distributor.OpenReplication(srv)
	if err != nil {
		die("Couldn't start: %s", err)
	}
	return srv
}
func createServer() *torus.Server {
	srv, err := torus.NewServer(cfg, "etcd", "temp")
	if err != nil {
		fmt.Printf("Couldn't start: %s\n", err)
		os.Exit(1)
	}
	err = distributor.OpenReplication(srv)
	if err != nil {
		fmt.Printf("Couldn't start: %s", err)
		os.Exit(1)
	}
	if httpAddr != "" {
		go http.ServeHTTP(httpAddr, srv)
	}
	return srv
}
Esempio n. 6
0
func compareBytes(t *testing.T, mds *temp.Server, data []byte, volume string) {
	reader := newServer(t, mds)
	err := distributor.OpenReplication(reader)
	if err != nil {
		t.Fatal(err)
	}
	defer reader.Close()
	f := openVol(t, reader, "testvol")
	output := &bytes.Buffer{}
	_, err = io.Copy(output, f)
	if err != nil {
		t.Fatalf("couldn't copy: %v", err)
	}
	if !bytes.Equal(output.Bytes(), data) {
		t.Error("bytes not equal")
	}
	f.Close()
}
Esempio n. 7
0
File: main.go Progetto: coreos/torus
func runServer(cmd *cobra.Command, args []string) {
	if completion {
		cmd.Root().GenBashCompletion(os.Stdout)
		os.Exit(0)
	}

	var (
		srv *torus.Server
		err error
	)
	switch {
	case cfg.MetadataAddress == "":
		srv, err = torus.NewServer(cfg, "temp", "mfile")
	case debugInit:
		err = torus.InitMDS("etcd", cfg, torus.GlobalMetadata{
			BlockSize:        512 * 1024,
			DefaultBlockSpec: blockset.MustParseBlockLayerSpec("crc,base"),
		}, ring.Ketama)
		if err != nil {
			if err == torus.ErrExists {
				fmt.Println("debug-init: Already exists")
			} else {
				fmt.Printf("Couldn't debug-init: %s\n", err)
				os.Exit(1)
			}
		}
		fallthrough
	default:
		srv, err = torus.NewServer(cfg, "etcd", "mfile")
	}
	if err != nil {
		fmt.Printf("Couldn't start: %s\n", err)
		os.Exit(1)
	}

	if autojoin {
		err = doAutojoin(srv)
		if err != nil {
			fmt.Printf("Couldn't auto-join: %s\n", err)
			os.Exit(1)
		}
	}

	mainClose := make(chan bool)
	signalChan := make(chan os.Signal, 1)
	signal.Notify(signalChan, os.Interrupt)

	if peerAddress != "" {
		var u *url.URL

		u, err = url.Parse(peerAddress)
		if err != nil {
			fmt.Printf("Couldn't parse peer address %s: %s\n", peerAddress, err)
			os.Exit(1)
		}

		if u.Scheme == "" {
			fmt.Printf("Peer address %s does not have URL scheme (http:// or tdp://)\n", peerAddress)
			os.Exit(1)
		}

		err = distributor.ListenReplication(srv, u)
	} else {
		err = distributor.OpenReplication(srv)
	}

	defer srv.Close()
	go func() {
		for _ = range signalChan {
			fmt.Println("\nReceived an interrupt, stopping services...")
			close(mainClose)
			os.Exit(0)
		}
	}()

	if err != nil {
		fmt.Println("couldn't use server:", err)
		os.Exit(1)
	}
	if httpAddress != "" {
		http.ServeHTTP(httpAddress, srv)
	}
	// Wait
	<-mainClose
}