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142 lines
3.5 KiB
142 lines
3.5 KiB
package shell
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import (
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"context"
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/filer2"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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"google.golang.org/grpc"
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"io"
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"net/url"
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"strconv"
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"strings"
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)
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func init() {
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commands = append(commands, &commandFsDu{})
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}
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type commandFsDu struct {
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}
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func (c *commandFsDu) Name() string {
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return "fs.du"
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}
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func (c *commandFsDu) Help() string {
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return `show disk usage
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fs.du http://<filer_server>:<port>/dir
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fs.du http://<filer_server>:<port>/dir/file_name
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fs.du http://<filer_server>:<port>/dir/file_prefix
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`
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}
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func (c *commandFsDu) Do(args []string, commandEnv *commandEnv, writer io.Writer) (err error) {
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filerServer, filerPort, path, err := parseFilerUrl(args[0])
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if err != nil {
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return err
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}
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dir, name := filer2.FullPath(path).DirAndName()
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if strings.HasSuffix(path, "/") {
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if path == "/" {
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dir, name = "/", ""
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} else {
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dir, name = path[0:len(path)-1], ""
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}
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}
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ctx := context.Background()
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return commandEnv.withFilerClient(ctx, filerServer, filerPort, func(client filer_pb.SeaweedFilerClient) error {
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_, _, err = paginateDirectory(ctx, writer, client, dir, name, 1000)
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return err
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})
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}
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func paginateDirectory(ctx context.Context, writer io.Writer, client filer_pb.SeaweedFilerClient, dir, name string, paginateSize int) (blockCount uint64, byteCount uint64, err error) {
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paginatedCount := -1
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startFromFileName := ""
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for paginatedCount == -1 || paginatedCount == paginateSize {
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resp, listErr := client.ListEntries(ctx, &filer_pb.ListEntriesRequest{
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Directory: dir,
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Prefix: name,
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StartFromFileName: startFromFileName,
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InclusiveStartFrom: false,
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Limit: uint32(paginateSize),
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})
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if listErr != nil {
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err = listErr
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return
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}
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paginatedCount = len(resp.Entries)
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for _, entry := range resp.Entries {
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if entry.IsDirectory {
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subDir := fmt.Sprintf("%s/%s", dir, entry.Name)
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if dir == "/" {
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subDir = "/" + entry.Name
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}
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numBlock, numByte, err := paginateDirectory(ctx, writer, client, subDir, "", paginateSize)
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if err == nil {
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blockCount += numBlock
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byteCount += numByte
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}
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} else {
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blockCount += uint64(len(entry.Chunks))
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byteCount += filer2.TotalSize(entry.Chunks)
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}
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startFromFileName = entry.Name
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if name != "" && !entry.IsDirectory {
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fmt.Fprintf(writer, "block:%4d\tbyte:%10d\t%s/%s\n", blockCount, byteCount, dir, name)
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}
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}
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}
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if name == "" {
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fmt.Fprintf(writer, "block:%4d\tbyte:%10d\t%s\n", blockCount, byteCount, dir)
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}
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return
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}
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func parseFilerUrl(entryPath string) (filerServer string, filerPort int64, path string, err error) {
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if strings.HasPrefix(entryPath, "http") {
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var u *url.URL
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u, err = url.Parse(entryPath)
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if err != nil {
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return
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}
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filerServer = u.Hostname()
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portString := u.Port()
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if portString != "" {
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filerPort, err = strconv.ParseInt(portString, 10, 32)
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}
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path = u.Path
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} else {
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err = fmt.Errorf("path should have full url http://<filer_server>:<port>/path/to/dirOrFile : %s", entryPath)
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}
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return
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}
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func (env *commandEnv) withFilerClient(ctx context.Context, filerServer string, filerPort int64, fn func(filer_pb.SeaweedFilerClient) error) error {
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filerGrpcAddress := fmt.Sprintf("%s:%d", filerServer, filerPort+10000)
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return util.WithCachedGrpcClient(ctx, func(grpcConnection *grpc.ClientConn) error {
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client := filer_pb.NewSeaweedFilerClient(grpcConnection)
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return fn(client)
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}, filerGrpcAddress, env.option.GrpcDialOption)
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}
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