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