Exemplo n.º 1
0
func rbdExists(name string) (bool, error) {
	conn, err := rados.NewConn()
	if err != nil {
		log.Fatal(err)
		return false, err
	}
	conn.ReadDefaultConfigFile()
	conn.Connect()
	defer conn.Shutdown()

	ioContext, err := conn.OpenIOContext("rbd")
	if err != nil {
		log.Fatal(err)
		return false, err
	}
	defer ioContext.Destroy()

	volumes, err := rbd.GetImageNames(ioContext)
	if err != nil {
		log.Fatal(err)
		return false, err
	}
	for _, volumeName := range volumes {
		if name == volumeName {
			return true, nil
		}
	}
	return false, nil
}
Exemplo n.º 2
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func TestListXattrs(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// make pool
	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	input_xattrs := make(map[string][]byte)
	for i := 0; i < 200; i++ {
		name := fmt.Sprintf("key_%d", i)
		data := []byte(GetUUID())
		err = pool.SetXattr("obj", name, data)
		assert.NoError(t, err)
		input_xattrs[name] = data
	}

	output_xattrs := make(map[string][]byte)
	output_xattrs, err = pool.ListXattrs("obj")
	assert.NoError(t, err)
	assert.Equal(t, len(input_xattrs), len(output_xattrs))
	assert.Equal(t, input_xattrs, output_xattrs)

	pool.Destroy()
}
Exemplo n.º 3
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func TestPingMonitor(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// mon id that should work with vstart.sh
	reply, err := conn.PingMonitor("a")
	if err == nil {
		assert.NotEqual(t, reply, "")
		return
	}

	// mon id that should work with micro-osd.sh
	reply, err = conn.PingMonitor("0")
	if err == nil {
		assert.NotEqual(t, reply, "")
		return
	}

	// try to use a hostname as the monitor id
	mon_addr, _ := conn.GetConfigOption("mon_host")
	hosts, _ := net.LookupAddr(mon_addr)
	for _, host := range hosts {
		reply, err := conn.PingMonitor(host)
		if err == nil {
			assert.NotEqual(t, reply, "")
			return
		}
	}

	t.Error("Could not find a valid monitor id")

	conn.Shutdown()
}
Exemplo n.º 4
0
func NewRbdSet(root string, doInit bool, options []string, uidMaps, gidMaps []idtools.IDMap) (*RbdSet, error) {
	conn, _ := rados.NewConn()
	devices := &RbdSet{
		MetaData:      MetaData{Devices: make(map[string]*DevInfo)},
		conn:          conn,
		dataPoolName:  "rbd",
		imagePrefix:   "docker_image",
		snapPrefix:    "docker_snap",
		metaPrefix:    "docker_meta",
		baseImageName: "base_image",
		baseImageSize: DefaultDockerBaseImageSize,
		clientId:      "admin",
		configFile:    DefaultRadosConfigFile,
		filesystem:    "ext4",
		uidMaps:       uidMaps,
		gidMaps:       gidMaps,
	}

	for _, option := range options {
		key, val, err := parsers.ParseKeyValueOpt(option)
		if err != nil {
			return nil, err
		}

		key = strings.ToLower(key)

		switch key {
		case "rbd.basesize":
			size, err := units.RAMInBytes(val)
			if err != nil {
				return nil, err
			}
			devices.baseImageSize = uint64(size)
		case "rbd.datapool":
			devices.dataPoolName = val
		case "rbd.imageprefix":
			devices.imagePrefix = val
		case "rbd.client":
			devices.clientId = val
		case "rbd.configfile":
			devices.configFile = val
		case "rbd.fs":
			if val != "ext4" && val != "xfs" {
				return nil, fmt.Errorf("Unsupported filesystem %s\n", val)
			}
			devices.filesystem = val
		case "rbd.mkfsarg":
			devices.mkfsArgs = append(devices.mkfsArgs, val)
		case "rbd.mountopt":
			devices.mountOptions = joinMountOptions(devices.mountOptions, val)
		default:
			return nil, fmt.Errorf("Unknown option %s\n", key)
		}
	}

	if err := devices.initRbdSet(doInit); err != nil {
		return nil, err
	}
	return devices, nil
}
Exemplo n.º 5
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func TestReadWriteXattr(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// make pool
	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	my_xattr_in := []byte("my_value")
	err = pool.SetXattr("obj", "my_key", my_xattr_in)
	assert.NoError(t, err)

	my_xattr_out := make([]byte, len(my_xattr_in))
	n_out, err := pool.GetXattr("obj", "my_key", my_xattr_out)

	assert.Equal(t, n_out, len(my_xattr_in))
	assert.Equal(t, my_xattr_in, my_xattr_out)

	pool.Destroy()
}
Exemplo n.º 6
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func TestNotFound(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	name := GetUUID()

	img := rbd.GetImage(ioctx, name)
	err = img.Open()
	assert.Equal(t, err, rbd.RbdErrorNotFound)

	img.Remove()
	assert.Equal(t, err, rbd.RbdErrorNotFound)

	ioctx.Destroy()
	conn.DeletePool(poolname)
	conn.Shutdown()
}
Exemplo n.º 7
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func TestReadConfigFile(t *testing.T) {
	conn, _ := rados.NewConn()

	// check current log_file value
	log_file_val, err := conn.GetConfigOption("log_file")
	assert.NoError(t, err)
	assert.NotEqual(t, log_file_val, "/dev/null")

	// create a temporary ceph.conf file that changes the log_file conf
	// option.
	file, err := ioutil.TempFile("/tmp", "go-rados")
	assert.NoError(t, err)

	_, err = io.WriteString(file, "[global]\nlog_file = /dev/null\n")
	assert.NoError(t, err)

	// parse the config file
	err = conn.ReadConfigFile(file.Name())
	assert.NoError(t, err)

	// check current log_file value
	log_file_val, err = conn.GetConfigOption("log_file")
	assert.NoError(t, err)
	assert.Equal(t, log_file_val, "/dev/null")

	// cleanup
	file.Close()
	os.Remove(file.Name())
}
Exemplo n.º 8
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func TestGetInstanceID(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	id := conn.GetInstanceID()
	assert.NotEqual(t, id, 0)

	conn.Shutdown()
}
Exemplo n.º 9
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func TestWaitForLatestOSDMap(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	err := conn.WaitForLatestOSDMap()
	assert.NoError(t, err)

	conn.Shutdown()
}
Exemplo n.º 10
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func TestGetFSID(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	fsid, err := conn.GetFSID()
	assert.NoError(t, err)
	assert.NotEqual(t, fsid, "")

	conn.Shutdown()
}
Exemplo n.º 11
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// New constructs a new Driver
func New(params DriverParameters) (*Driver, error) {
	var conn *rados.Conn
	var err error

	if params.username != "" {
		log.Infof("Opening connection to pool %s using user %s", params.poolname, params.username)
		conn, err = rados.NewConnWithUser(params.username)
	} else {
		log.Infof("Opening connection to pool %s", params.poolname)
		conn, err = rados.NewConn()
	}

	if err != nil {
		return nil, err
	}

	err = conn.ReadDefaultConfigFile()
	if err != nil {
		return nil, err
	}

	err = conn.Connect()
	if err != nil {
		return nil, err
	}

	log.Infof("Connected")

	ioctx, err := conn.OpenIOContext(params.poolname)

	log.Infof("Connected to pool %s", params.poolname)

	if err != nil {
		return nil, err
	}

	d := &driver{
		Ioctx:     ioctx,
		Conn:      conn,
		chunksize: params.chunksize,
	}

	return &Driver{
		baseEmbed: baseEmbed{
			Base: base.Base{
				StorageDriver: d,
			},
		},
	}, nil
}
Exemplo n.º 12
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func TestRmXattr(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	key := "key1"
	val := []byte("val1")
	err = pool.SetXattr("obj", key, val)
	assert.NoError(t, err)

	key = "key2"
	val = []byte("val2")
	err = pool.SetXattr("obj", key, val)
	assert.NoError(t, err)

	xattr_list := make(map[string][]byte)
	xattr_list, err = pool.ListXattrs("obj")
	assert.NoError(t, err)
	assert.Equal(t, len(xattr_list), 2)

	pool.RmXattr("obj", "key2")
	xattr_list, err = pool.ListXattrs("obj")
	assert.NoError(t, err)
	assert.Equal(t, len(xattr_list), 1)

	found := false
	for key, _ = range xattr_list {
		if key == "key2" {
			found = true
		}

	}

	if found {
		t.Error("Deleted pool still exists")
	}

	pool.Destroy()
}
Exemplo n.º 13
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func TestParseCmdLineArgs(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()

	mon_host_val, _ := conn.GetConfigOption("mon_host")
	assert.NotEqual(t, mon_host_val, "1.1.1.1")

	args := []string{"--mon-host", "1.1.1.1"}
	err := conn.ParseCmdLineArgs(args)
	assert.NoError(t, err)

	mon_host_val, _ = conn.GetConfigOption("mon_host")
	assert.Equal(t, mon_host_val, "1.1.1.1")
}
Exemplo n.º 14
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func TestReadWrite(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// make pool
	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	bytes_out := make([]byte, len(bytes_in))
	n_out, err := pool.Read("obj", bytes_out, 0)

	assert.Equal(t, n_out, len(bytes_in))
	assert.Equal(t, bytes_in, bytes_out)

	bytes_in = []byte("input another data")
	err = pool.WriteFull("obj", bytes_in)
	assert.NoError(t, err)

	bytes_out = make([]byte, len(bytes_in))
	n_out, err = pool.Read("obj", bytes_out, 0)

	assert.Equal(t, n_out, len(bytes_in))
	assert.Equal(t, bytes_in, bytes_out)

	bytes_accum := []byte{}
	for _, str_in := range []string{"input", " ", "another", " ", "data"} {
		bytes_in = []byte(str_in)
		err = pool.Append("obj", bytes_in)
		assert.NoError(t, err)

		bytes_accum = append(bytes_accum, bytes_in...)
		bytes_out = make([]byte, len(bytes_accum))
		n_out, err = pool.Read("obj", bytes_out, 0)

		assert.Equal(t, n_out, len(bytes_accum))
		assert.Equal(t, bytes_accum, bytes_out)
	}

	pool.Destroy()
	conn.Shutdown()
}
Exemplo n.º 15
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func TestParseDefaultConfigEnv(t *testing.T) {
	conn, _ := rados.NewConn()

	log_file_val, _ := conn.GetConfigOption("log_file")
	assert.NotEqual(t, log_file_val, "/dev/null")

	err := os.Setenv("CEPH_ARGS", "--log-file /dev/null")
	assert.NoError(t, err)

	err = conn.ParseDefaultConfigEnv()
	assert.NoError(t, err)

	log_file_val, _ = conn.GetConfigOption("log_file")
	assert.Equal(t, log_file_val, "/dev/null")
}
Exemplo n.º 16
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func TestGetSetConfigOption(t *testing.T) {
	conn, _ := rados.NewConn()

	// rejects invalid options
	err := conn.SetConfigOption("wefoijweojfiw", "welfkwjelkfj")
	assert.Error(t, err, "Invalid option")

	// verify SetConfigOption changes a values
	log_file_val, err := conn.GetConfigOption("log_file")
	assert.NotEqual(t, log_file_val, "/dev/null")

	err = conn.SetConfigOption("log_file", "/dev/null")
	assert.NoError(t, err, "Invalid option")

	log_file_val, err = conn.GetConfigOption("log_file")
	assert.Equal(t, log_file_val, "/dev/null")
}
Exemplo n.º 17
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func TestGetClusterStats(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	// grab current stats
	prev_stat, err := conn.GetClusterStats()
	fmt.Printf("prev_stat: %+v\n", prev_stat)
	assert.NoError(t, err)

	// make some changes to the cluster
	buf := make([]byte, 1<<20)
	for i := 0; i < 10; i++ {
		objname := GetUUID()
		pool.Write(objname, buf, 0)
	}

	// wait a while for the stats to change
	for i := 0; i < 30; i++ {
		stat, err := conn.GetClusterStats()
		assert.NoError(t, err)

		// wait for something to change
		if stat == prev_stat {
			fmt.Printf("curr_stat: %+v (trying again...)\n", stat)
			time.Sleep(time.Second)
		} else {
			// success
			fmt.Printf("curr_stat: %+v (change detected)\n", stat)
			conn.Shutdown()
			return
		}
	}

	pool.Destroy()
	conn.Shutdown()
	t.Error("Cluster stats aren't changing")
}
Exemplo n.º 18
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func TestReadFilterOmap(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	orig := map[string][]byte{
		"key1":          []byte("value1"),
		"prefixed-key3": []byte("value3"),
		"key2":          []byte("value2"),
	}

	err = pool.SetOmap("obj", orig)
	assert.NoError(t, err)

	// filter by prefix
	fetched, err := pool.GetOmapValues("obj", "", "prefixed", 4)
	assert.NoError(t, err)
	assert.Equal(t, map[string][]byte{
		"prefixed-key3": []byte("value3"),
	}, fetched)

	// "start_after" a key
	fetched, err = pool.GetOmapValues("obj", "key1", "", 4)
	assert.NoError(t, err)
	assert.Equal(t, map[string][]byte{
		"prefixed-key3": []byte("value3"),
		"key2":          []byte("value2"),
	}, fetched)

	// maxReturn
	fetched, err = pool.GetOmapValues("obj", "", "key", 1)
	assert.NoError(t, err)
	assert.Equal(t, map[string][]byte{
		"key1": []byte("value1"),
	}, fetched)

	pool.Destroy()
}
Exemplo n.º 19
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func TestMonCommand(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	command, err := json.Marshal(map[string]string{"prefix": "df", "format": "json"})
	assert.NoError(t, err)

	buf, info, err := conn.MonCommand(command)
	assert.NoError(t, err)
	assert.Equal(t, info, "")

	var message map[string]interface{}
	err = json.Unmarshal(buf, &message)
	assert.NoError(t, err)

	conn.Shutdown()
}
Exemplo n.º 20
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func TestGetPoolName(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	poolname_ret, err := ioctx.GetPoolName()
	assert.NoError(t, err)

	assert.Equal(t, poolname, poolname_ret)

	ioctx.Destroy()
	conn.Shutdown()
}
Exemplo n.º 21
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func TestObjectIterator(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	objectList := []string{}
	err = ioctx.ListObjects(func(oid string) {
		objectList = append(objectList, oid)
	})
	assert.NoError(t, err)
	assert.True(t, len(objectList) == 0)

	createdList := []string{}
	for i := 0; i < 200; i++ {
		oid := GetUUID()
		bytes_in := []byte("input data")
		err = ioctx.Write(oid, bytes_in, 0)
		assert.NoError(t, err)
		createdList = append(createdList, oid)
	}
	assert.True(t, len(createdList) == 200)

	err = ioctx.ListObjects(func(oid string) {
		objectList = append(objectList, oid)
	})
	assert.NoError(t, err)
	assert.Equal(t, len(objectList), len(createdList))

	sort.Strings(objectList)
	sort.Strings(createdList)

	assert.Equal(t, objectList, createdList)
}
Exemplo n.º 22
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func TestCreateSnapshot(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	name := GetUUID()
	img, err := rbd.Create(ioctx, name, 1<<22)
	assert.NoError(t, err)

	err = img.Open()
	assert.NoError(t, err)

	snapshot, err := img.CreateSnapshot("mysnap")
	assert.NoError(t, err)

	err = img.Close()
	err = img.Open("mysnap")
	assert.NoError(t, err)

	snapshot.Remove()
	assert.NoError(t, err)

	err = img.Close()
	assert.NoError(t, err)

	img.Remove()
	assert.NoError(t, err)

	ioctx.Destroy()
	conn.DeletePool(poolname)
	conn.Shutdown()
}
Exemplo n.º 23
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func TestObjectStat(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	stat, err := pool.Stat("obj")
	assert.Equal(t, uint64(len(bytes_in)), stat.Size)
	assert.NotNil(t, stat.ModTime)

	pool.Destroy()
	conn.Shutdown()
}
Exemplo n.º 24
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func TestGetImageNames(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	createdList := []string{}
	for i := 0; i < 10; i++ {
		name := GetUUID()
		_, err := rbd.Create(ioctx, name, 1<<22)
		assert.NoError(t, err)
		createdList = append(createdList, name)
	}

	imageNames, err := rbd.GetImageNames(ioctx)
	assert.NoError(t, err)

	sort.Strings(createdList)
	sort.Strings(imageNames)
	assert.Equal(t, createdList, imageNames)

	for _, name := range createdList {
		img := rbd.GetImage(ioctx, name)
		err := img.Remove()
		assert.NoError(t, err)
	}

	ioctx.Destroy()
	conn.DeletePool(poolname)
	conn.Shutdown()
}
Exemplo n.º 25
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func TestReadWrite(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// make pool
	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	bytes_in := []byte("input data")
	err = pool.Write("obj", bytes_in, 0)
	assert.NoError(t, err)

	bytes_out := make([]byte, len(bytes_in))
	n_out, err := pool.Read("obj", bytes_out, 0)

	assert.Equal(t, n_out, len(bytes_in))
	assert.Equal(t, bytes_in, bytes_out)

	bytes_in = []byte("input another data")
	err = pool.WriteFull("obj", bytes_in)
	assert.NoError(t, err)

	bytes_out = make([]byte, len(bytes_in))
	n_out, err = pool.Read("obj", bytes_out, 0)

	assert.Equal(t, n_out, len(bytes_in))
	assert.Equal(t, bytes_in, bytes_out)

	pool.Destroy()
	conn.Shutdown()
}
Exemplo n.º 26
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func TestNotFound(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// make pool
	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	size := 128
	bytes_out := make([]byte, size)
	_, err = pool.Read("obj", bytes_out, 0)
	assert.Equal(t, err, rados.RadosErrorNotFound)

	err = pool.Delete("obj")
	assert.Equal(t, err, rados.RadosErrorNotFound)

	pool.Destroy()
	conn.Shutdown()
}
Exemplo n.º 27
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func TestReadWriteOmap(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	pool_name := GetUUID()
	err := conn.MakePool(pool_name)
	assert.NoError(t, err)

	pool, err := conn.OpenIOContext(pool_name)
	assert.NoError(t, err)

	// Set
	orig := map[string][]byte{
		"key1":          []byte("value1"),
		"key2":          []byte("value2"),
		"prefixed-key3": []byte("value3"),
		"empty":         []byte(""),
	}

	err = pool.SetOmap("obj", orig)
	assert.NoError(t, err)

	// List
	remaining := map[string][]byte{}
	for k, v := range orig {
		remaining[k] = v
	}

	err = pool.ListOmapValues("obj", "", "", 4, func(key string, value []byte) {
		assert.Equal(t, remaining[key], value)
		delete(remaining, key)
	})
	assert.NoError(t, err)
	assert.Equal(t, 0, len(remaining))

	// Get (with a fixed number of keys)
	fetched, err := pool.GetOmapValues("obj", "", "", 4)
	assert.NoError(t, err)
	assert.Equal(t, orig, fetched)

	// Get All (with an iterator size bigger than the map size)
	fetched, err = pool.GetAllOmapValues("obj", "", "", 100)
	assert.NoError(t, err)
	assert.Equal(t, orig, fetched)

	// Get All (with an iterator size smaller than the map size)
	fetched, err = pool.GetAllOmapValues("obj", "", "", 1)
	assert.NoError(t, err)
	assert.Equal(t, orig, fetched)

	// Remove
	err = pool.RmOmapKeys("obj", []string{"key1", "prefixed-key3"})
	assert.NoError(t, err)

	fetched, err = pool.GetOmapValues("obj", "", "", 4)
	assert.NoError(t, err)
	assert.Equal(t, map[string][]byte{
		"key2":  []byte("value2"),
		"empty": []byte(""),
	}, fetched)

	// Clear
	err = pool.CleanOmap("obj")
	assert.NoError(t, err)

	fetched, err = pool.GetOmapValues("obj", "", "", 4)
	assert.NoError(t, err)
	assert.Equal(t, map[string][]byte{}, fetched)

	pool.Destroy()
}
Exemplo n.º 28
0
func TestParentInfo(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	name := "parent"
	img, err := rbd.Create(ioctx, name, 1<<22, 1)
	assert.NoError(t, err)

	err = img.Open()
	assert.NoError(t, err)

	snapshot, err := img.CreateSnapshot("mysnap")
	assert.NoError(t, err)

	err = snapshot.Protect()
	assert.NoError(t, err)

	imgNew, err := img.Clone("mysnap", ioctx, "child", 1)
	assert.NoError(t, err)

	err = imgNew.Open()
	assert.NoError(t, err)
	parentPool := make([]byte, 128)
	parentName := make([]byte, 128)
	parentSnapname := make([]byte, 128)

	err = imgNew.GetParentInfo(parentPool, parentName, parentSnapname)
	assert.NoError(t, err)

	n := bytes.Index(parentName, []byte{0})
	pName := string(parentName[:n])

	n = bytes.Index(parentSnapname, []byte{0})
	pSnapname := string(parentSnapname[:n])
	assert.Equal(t, pName, "parent", "they should be equal")
	assert.Equal(t, pSnapname, "mysnap", "they should be equal")

	err = imgNew.Close()
	assert.NoError(t, err)

	err = imgNew.Remove()
	assert.NoError(t, err)

	err = snapshot.Unprotect()
	assert.NoError(t, err)

	err = snapshot.Remove()
	assert.NoError(t, err)

	err = img.Close()
	assert.NoError(t, err)

	err = img.Remove()
	assert.NoError(t, err)

	ioctx.Destroy()
	conn.DeletePool(poolname)
	conn.Shutdown()
}
Exemplo n.º 29
0
func TestIOReaderWriter(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	poolname := GetUUID()
	err := conn.MakePool(poolname)
	assert.NoError(t, err)

	ioctx, err := conn.OpenIOContext(poolname)
	assert.NoError(t, err)

	name := GetUUID()
	img, err := rbd.Create(ioctx, name, 1<<22)
	assert.NoError(t, err)

	err = img.Open()
	assert.NoError(t, err)

	stats, err := img.Stat()
	assert.NoError(t, err)

	encoder := json.NewEncoder(img)
	encoder.Encode(stats)

	err = img.Flush()
	assert.NoError(t, err)

	_, err = img.Seek(0, 0)
	assert.NoError(t, err)

	var stats2 *rbd.ImageInfo
	decoder := json.NewDecoder(img)
	decoder.Decode(&stats2)

	assert.Equal(t, &stats, &stats2)

	_, err = img.Seek(0, 0)
	bytes_in := []byte("input data")
	_, err = img.Write(bytes_in)
	assert.NoError(t, err)

	_, err = img.Seek(0, 0)
	assert.NoError(t, err)

	bytes_out := make([]byte, len(bytes_in))
	n_out, err := img.Read(bytes_out)

	assert.Equal(t, n_out, len(bytes_in))
	assert.Equal(t, bytes_in, bytes_out)

	err = img.Close()
	assert.NoError(t, err)

	img.Remove()
	assert.NoError(t, err)

	ioctx.Destroy()
	conn.DeletePool(poolname)
	conn.Shutdown()
}
Exemplo n.º 30
0
func TestMakeDeletePool(t *testing.T) {
	conn, _ := rados.NewConn()
	conn.ReadDefaultConfigFile()
	conn.Connect()

	// get current list of pool
	pools, err := conn.ListPools()
	assert.NoError(t, err)

	// check that new pool name is unique
	new_name := GetUUID()
	for _, poolname := range pools {
		if new_name == poolname {
			t.Error("Random pool name exists!")
			return
		}
	}

	// create pool
	err = conn.MakePool(new_name)
	assert.NoError(t, err)

	// get updated list of pools
	pools, err = conn.ListPools()
	assert.NoError(t, err)

	// verify that the new pool name exists
	found := false
	for _, poolname := range pools {
		if new_name == poolname {
			found = true
		}
	}

	if !found {
		t.Error("Cannot find newly created pool")
	}

	// delete the pool
	err = conn.DeletePool(new_name)
	assert.NoError(t, err)

	// verify that it is gone

	// get updated list of pools
	pools, err = conn.ListPools()
	assert.NoError(t, err)

	// verify that the new pool name exists
	found = false
	for _, poolname := range pools {
		if new_name == poolname {
			found = true
		}
	}

	if found {
		t.Error("Deleted pool still exists")
	}

	conn.Shutdown()
}