package inspect import ( "fmt" "os" common "github.com/nspcc-dev/neofs-node/cmd/neofs-lens/internal" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache" cid "github.com/nspcc-dev/neofs-sdk-go/container/id" "github.com/nspcc-dev/neofs-sdk-go/object" oid "github.com/nspcc-dev/neofs-sdk-go/object/id" "github.com/spf13/cobra" ) const ( flagAddress = "address" flagEnginePath = "path" flagHeader = "header" flagOutFile = "out" flagWriteCache = "writecache" ) var ( vAddress string vHeader bool vPath string vOut string vWriteCache bool ) // Command contains `inspect` command definition. var Command = &cobra.Command{ Use: "inspect", Short: "Object inspection", Long: `Inspect specific object in storage engine component.`, Run: objectInspectCmd, } func init() { Command.Flags().StringVar(&vAddress, flagAddress, "", "Object address") _ = Command.MarkFlagRequired(flagAddress) Command.Flags().StringVar(&vPath, flagEnginePath, "", "Path to storage engine component", ) _ = Command.MarkFlagFilename(flagEnginePath) _ = Command.MarkFlagRequired(flagEnginePath) Command.Flags().StringVar(&vOut, flagOutFile, "", "File to save object payload") Command.Flags().BoolVar(&vHeader, flagHeader, false, "Inspect only header") Command.Flags().BoolVar(&vWriteCache, flagWriteCache, false, "Process write-cache") } func objectInspectCmd(cmd *cobra.Command, _ []string) { var addr oid.Address err := addr.DecodeString(vAddress) common.ExitOnErr(cmd, common.Errf("invalid address argument: %w", err)) if vOut == "" && !vHeader { common.ExitOnErr(cmd, fmt.Errorf("either --%s or --%s flag must be provided", flagHeader, flagOutFile)) } if vWriteCache { db, err := writecache.OpenDB(vPath, true) common.ExitOnErr(cmd, common.Errf("could not open write-cache db: %w", err)) defer db.Close() data, err := writecache.Get(db, []byte(vAddress)) common.ExitOnErr(cmd, common.Errf("could not fetch object: %w", err)) printObjectInfo(cmd, data) return } blz := blobovnicza.New( blobovnicza.WithPath(vPath), blobovnicza.ReadOnly()) common.ExitOnErr(cmd, blz.Open()) defer blz.Close() var prm blobovnicza.GetPrm prm.SetAddress(addr) res, err := blz.Get(prm) common.ExitOnErr(cmd, common.Errf("could not fetch object: %w", err)) printObjectInfo(cmd, res.Object()) } func printContainerID(cmd *cobra.Command, recv func() (cid.ID, bool)) { var val string id, ok := recv() if ok { val = id.String() } else { val = "" } cmd.Println("CID:", val) } func printObjectID(cmd *cobra.Command, recv func() (oid.ID, bool)) { var val string id, ok := recv() if ok { val = id.String() } else { val = "" } cmd.Println("ID:", val) } func printObjectInfo(cmd *cobra.Command, data []byte) { obj := object.New() err := obj.Unmarshal(data) common.ExitOnErr(cmd, common.Errf("can't unmarshal object: %w", err)) if vHeader { cmd.Println("Version:", obj.Version()) cmd.Println("Type:", obj.Type()) printContainerID(cmd, obj.ContainerID) printObjectID(cmd, obj.ID) cmd.Println("Owner:", obj.OwnerID()) cmd.Println("CreatedAt:", obj.CreationEpoch()) cmd.Println("PayloadSize:", obj.PayloadSize()) cmd.Println("Attributes:") for _, attr := range obj.Attributes() { cmd.Printf(" %s: %s\n", attr.Key(), attr.Value()) } } if vOut != "" { err := os.WriteFile(vOut, obj.Payload(), 0644) common.ExitOnErr(cmd, common.Errf("couldn't write payload: %w", err)) } }