forked from TrueCloudLab/frostfs-node
1a1435be3d
```
> neofs-lens list --path ./blob/blobovnicza/1/1/0
6ay4GfhR9RgN28d5ufg63toPetkYHGcpcW7G3b7QWSek/9ibXu6v4uTwLEcME5vyHev6Zi8LpxqiWTe1dahKpAbb6
H3VBttoLQoknzMDgnVNyLZ8EpkDnQjnaxDr9fnAWeEHA/Hw1titdGh7BrTe2yLotiYbVh9FQaRRNhoNzXTyetpFgt
> neofs-lens inspect --path ./blob/blobovnicza/1/1/0 \
--address 6ay4GfhR9RgN28d5ufg63toPetkYHGcpcW7G3b7QWSek/9ibXu6v4uTwLEcME5vyHev6Zi8LpxqiWTe1dahKpAbb6 \
--header --out payload
Version: v2.1
Type: REGULAR
CID: 6ay4GfhR9RgN28d5ufg63toPetkYHGcpcW7G3b7QWSek
ID: 9ibXu6v4uTwLEcME5vyHev6Zi8LpxqiWTe1dahKpAbb6
Owner: 2dokPzmmcLnnR21jQB3qPppTQRgwMNMKEWD
CreatedAt: 0
PayloadSize: 32
Attributes:
foo: bar
> hexdump -C payload
00000000 ff 6c d4 71 c4 83 f1 5f b9 0b ad b3 7c 58 21 b6 |.l.q..._....|X!.|
00000010 d9 55 26 a4 1a 95 04 68 0b 4e 7c 8b 76 3a 1b 1d |.U&....h.N|.v:..|
00000020
```
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
package inspect
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import (
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"fmt"
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"io/ioutil"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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common "github.com/nspcc-dev/neofs-node/cmd/neofs-lens/internal"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache"
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"github.com/spf13/cobra"
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)
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const (
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flagAddress = "address"
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flagEnginePath = "path"
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flagHeader = "header"
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flagOutFile = "out"
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flagWriteCache = "writecache"
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)
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var (
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vAddress string
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vHeader bool
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vPath string
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vOut string
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vWriteCache bool
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)
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// Command contains `inspect` command definition.
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var Command = &cobra.Command{
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Use: "inspect",
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Short: "Object inspection",
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Long: `Inspect specific object in storage engine component.`,
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Run: objectInspectCmd,
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}
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func init() {
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Command.Flags().StringVar(&vAddress, flagAddress, "", "Object address")
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_ = Command.MarkFlagRequired(flagAddress)
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Command.Flags().StringVar(&vPath, flagEnginePath, "",
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"Path to storage engine component",
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)
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_ = Command.MarkFlagFilename(flagEnginePath)
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_ = Command.MarkFlagRequired(flagEnginePath)
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Command.Flags().StringVar(&vOut, flagOutFile, "",
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"File to save object payload")
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Command.Flags().BoolVar(&vHeader, flagHeader, false, "Inspect only header")
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Command.Flags().BoolVar(&vWriteCache, flagWriteCache, false,
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"Process write-cache")
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}
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func objectInspectCmd(cmd *cobra.Command, _ []string) {
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addr := object.NewAddress()
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err := addr.Parse(vAddress)
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common.ExitOnErr(cmd, common.Errf("invalid address argument: %w", err))
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if vOut == "" && !vHeader {
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common.ExitOnErr(cmd, fmt.Errorf("either --%s or --%s flag must be provided",
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flagHeader, flagOutFile))
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}
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if vWriteCache {
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db, err := writecache.OpenDB(vPath, true)
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common.ExitOnErr(cmd, common.Errf("could not open write-cache db: %w", err))
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defer db.Close()
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data, err := writecache.Get(db, []byte(addr.String()))
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common.ExitOnErr(cmd, common.Errf("could not fetch object: %w", err))
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printObjectInfo(cmd, data)
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return
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}
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blz := blobovnicza.New(
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blobovnicza.WithPath(vPath),
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blobovnicza.ReadOnly())
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common.ExitOnErr(cmd, blz.Open())
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defer blz.Close()
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prm := new(blobovnicza.GetPrm)
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prm.SetAddress(addr)
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res, err := blz.Get(prm)
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common.ExitOnErr(cmd, common.Errf("could not fetch object: %w", err))
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printObjectInfo(cmd, res.Object())
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}
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func printObjectInfo(cmd *cobra.Command, data []byte) {
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obj := object.New()
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err := obj.Unmarshal(data)
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common.ExitOnErr(cmd, common.Errf("can't unmarshal object: %w", err))
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if vHeader {
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cmd.Println("Version:", obj.Version())
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cmd.Println("Type:", obj.Type())
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cmd.Println("CID:", obj.ContainerID())
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cmd.Println("ID:", obj.ID())
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cmd.Println("Owner:", obj.OwnerID())
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cmd.Println("CreatedAt:", obj.CreationEpoch())
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cmd.Println("PayloadSize:", obj.PayloadSize())
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cmd.Println("Attributes:")
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for _, attr := range obj.Attributes() {
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cmd.Printf(" %s: %s\n", attr.Key(), attr.Value())
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}
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}
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if vOut != "" {
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err := ioutil.WriteFile(vOut, obj.Payload(), 0644)
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common.ExitOnErr(cmd, common.Errf("couldn't write payload: %w", err))
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}
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}
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