Move to frostfs-node

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

cmd/frostfs-lens/internal/writecache/inspect.go

@@ -0,0 +1,35 @@
+package writecache
+
+import (
+	common "github.com/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal"
+	"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
+	"github.com/TrueCloudLab/frostfs-sdk-go/object"
+	"github.com/spf13/cobra"
+)
+
+var inspectCMD = &cobra.Command{
+	Use:   "inspect",
+	Short: "Object inspection",
+	Long:  `Inspect specific object in a write-cache.`,
+	Run:   inspectFunc,
+}
+
+func init() {
+	common.AddAddressFlag(inspectCMD, &vAddress)
+	common.AddComponentPathFlag(inspectCMD, &vPath)
+	common.AddOutputFileFlag(inspectCMD, &vOut)
+}
+
+func inspectFunc(cmd *cobra.Command, _ []string) {
+	db := openWC(cmd)
+	defer db.Close()
+
+	data, err := writecache.Get(db, []byte(vAddress))
+	common.ExitOnErr(cmd, common.Errf("could not fetch object: %w", err))
+
+	var o object.Object
+	common.ExitOnErr(cmd, common.Errf("could not unmarshal object: %w", o.Unmarshal(data)))
+
+	common.PrintObjectHeader(cmd, o)
+	common.WriteObjectToFile(cmd, vOut, data)
+}

cmd/frostfs-lens/internal/writecache/list.go

@@ -0,0 +1,38 @@
+package writecache
+
+import (
+	"fmt"
+	"io"
+
+	common "github.com/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal"
+	"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
+	oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id"
+	"github.com/spf13/cobra"
+)
+
+var listCMD = &cobra.Command{
+	Use:   "inspect",
+	Short: "Object inspection",
+	Long:  `Inspect specific object in a write-cache.`,
+	Run:   listFunc,
+}
+
+func init() {
+	common.AddComponentPathFlag(listCMD, &vPath)
+}
+
+func listFunc(cmd *cobra.Command, _ []string) {
+	// other targets can be supported
+	w := cmd.OutOrStderr()
+
+	wAddr := func(addr oid.Address) error {
+		_, err := io.WriteString(w, fmt.Sprintf("%s\n", addr))
+		return err
+	}
+
+	db := openWC(cmd)
+	defer db.Close()
+
+	err := writecache.IterateDB(db, wAddr)
+	common.ExitOnErr(cmd, common.Errf("write-cache iterator failure: %w", err))
+}

cmd/frostfs-lens/internal/writecache/root.go

@@ -0,0 +1,31 @@
+package writecache
+
+import (
+	common "github.com/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal"
+	"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
+	"github.com/spf13/cobra"
+	"go.etcd.io/bbolt"
+)
+
+var (
+	vAddress string
+	vPath    string
+	vOut     string
+)
+
+// Root contains `write-cache` command definition.
+var Root = &cobra.Command{
+	Use:   "write-cache",
+	Short: "Operations with write-cache",
+}
+
+func init() {
+	Root.AddCommand(listCMD, inspectCMD)
+}
+
+func openWC(cmd *cobra.Command) *bbolt.DB {
+	db, err := writecache.OpenDB(vPath, true)
+	common.ExitOnErr(cmd, common.Errf("could not open write-cache db: %w", err))
+
+	return db
+}