-
Notifications
You must be signed in to change notification settings - Fork 487
/
cmd-view-index.go
68 lines (53 loc) · 1.24 KB
/
cmd-view-index.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
package main
import (
"context"
"encoding/hex"
"fmt"
"github.com/google/uuid"
v2 "github.com/grafana/tempo/tempodb/encoding/v2"
)
type viewIndexCmd struct {
backendOptions
TenantID string `arg:"" help:"tenant-id within the bucket"`
BlockID string `arg:"" help:"block ID to list"`
}
func (cmd *viewIndexCmd) Run(ctx *globalOptions) error {
blockID, err := uuid.Parse(cmd.BlockID)
if err != nil {
return err
}
r, _, _, err := loadBackend(&cmd.backendOptions, ctx)
if err != nil {
return err
}
meta, err := r.BlockMeta(context.TODO(), blockID, cmd.TenantID)
if err != nil {
return err
}
if meta.Version != v2.VersionString {
return fmt.Errorf("unsupported block version: %s", meta.Version)
}
b, err := v2.NewBackendBlock(meta, r)
if err != nil {
return err
}
reader, err := b.NewIndexReader()
if err != nil {
return err
}
pageSize := 20
for i := 0; ; i++ {
record, err := reader.At(context.TODO(), i)
if err != nil {
return err
}
if record == nil {
return nil
}
fmt.Printf("Index entry: %10v ID: %s Start: %10v Length: %10v\n", i, hex.EncodeToString(record.ID), record.Start, record.Length)
if (i+1)%pageSize == 0 {
fmt.Printf("Press enter to continue\r")
fmt.Scanln()
}
}
}