oracleobjectstorage: Support "backend restore" command - fixes rclone…

…#7371

backend/oracleobjectstorage/command.go

@@ -7,12 +7,15 @@ import (
 	"context"
 	"fmt"
 	"sort"
+	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/oracle/oci-go-sdk/v65/common"
 	"github.com/oracle/oci-go-sdk/v65/objectstorage"
 	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/operations"
 )
 
 // ------------------------------------------------------------
@@ -23,6 +26,7 @@ const (
 	operationRename        = "rename"
 	operationListMultiPart = "list-multipart-uploads"
 	operationCleanup       = "cleanup"
+	operationRestore       = "restore"
 )
 
 var commandHelp = []fs.CommandHelp{{
@@ -77,6 +81,42 @@ Durations are parsed as per the rest of rclone, 2h, 7d, 7w etc.
 	Opts: map[string]string{
 		"max-age": "Max age of upload to delete",
 	},
+}, {
+	Name:  operationRestore,
+	Short: "Restore objects from Archive to Standard storage",
+	Long: `This command can be used to restore one or more objects from Archive to Standard storage.
+
+	Usage Examples:
+
+    rclone backend restore oos:bucket/path/to/directory -o hours=HOURS
+    rclone backend restore oos:bucket -o hours=HOURS
+
+This flag also obeys the filters. Test first with --interactive/-i or --dry-run flags
+
+	rclone --interactive backend restore --include "*.txt" oos:bucket/path -o hours=72
+
+All the objects shown will be marked for restore, then
+
+	rclone backend restore --include "*.txt" oos:bucket/path -o hours=72
+
+	It returns a list of status dictionaries with Object Name and Status
+	keys. The Status will be "RESTORED"" if it was successful or an error message
+	if not.
+
+	[
+		{
+			"Object": "test.txt"
+			"Status": "RESTORED",
+		},
+		{
+			"Object": "test/file4.txt"
+			"Status": "RESTORED",
+		}
+	]
+`,
+	Opts: map[string]string{
+		"hours": "The number of hours for which this object will be restored. Default is 24 hrs.",
+	},
 },
 }
 
@@ -113,6 +153,8 @@ func (f *Fs) Command(ctx context.Context, commandName string, args []string,
 			}
 		}
 		return nil, f.cleanUp(ctx, maxAge)
+	case operationRestore:
+		return f.restore(ctx, opt)
 	default:
 		return nil, fs.ErrorCommandNotFound
 	}
@@ -290,3 +332,63 @@ func (f *Fs) listMultipartUploadParts(ctx context.Context, bucketName, bucketPat
 	}
 	return uploadedParts, nil
 }
+
+func (f *Fs) restore(ctx context.Context, opt map[string]string) (interface{}, error) {
+	req := objectstorage.RestoreObjectsRequest{
+		NamespaceName:         common.String(f.opt.Namespace),
+		RestoreObjectsDetails: objectstorage.RestoreObjectsDetails{},
+	}
+	if hours := opt["hours"]; hours != "" {
+		ihours, err := strconv.Atoi(hours)
+		if err != nil {
+			return nil, fmt.Errorf("bad value for hours: %w", err)
+		}
+		req.RestoreObjectsDetails.Hours = &ihours
+	}
+	type status struct {
+		Object string
+		Status string
+	}
+	var (
+		outMu sync.Mutex
+		out   = []status{}
+		err   error
+	)
+	err = operations.ListFn(ctx, f, func(obj fs.Object) {
+		// Remember this is run --checkers times concurrently
+		o, ok := obj.(*Object)
+		st := status{Object: obj.Remote(), Status: "RESTORED"}
+		defer func() {
+			outMu.Lock()
+			out = append(out, st)
+			outMu.Unlock()
+		}()
+		if !ok {
+			st.Status = "Not an OCI Object Storage object"
+			return
+		}
+		if o.storageTier == nil || (*o.storageTier != "archive") {
+			st.Status = "Object not in Archive storage tier"
+			return
+		}
+		if operations.SkipDestructive(ctx, obj, "restore") {
+			return
+		}
+		bucket, bucketPath := o.split()
+		reqCopy := req
+		reqCopy.BucketName = &bucket
+		reqCopy.ObjectName = &bucketPath
+		var response objectstorage.RestoreObjectsResponse
+		err = f.pacer.Call(func() (bool, error) {
+			response, err = f.srv.RestoreObjects(ctx, reqCopy)
+			return shouldRetry(ctx, response.HTTPResponse(), err)
+		})
+		if err != nil {
+			st.Status = err.Error()
+		}
+	})
+	if err != nil {
+		return out, err
+	}
+	return out, nil
+}

docs/content/oracleobjectstorage.md

@@ -771,6 +771,47 @@ Options:
 
 - "max-age": Max age of upload to delete
 
+### restore
+
+Restore objects from Archive to Standard storage
+
+    rclone backend restore remote: [options] [<arguments>+]
+
+This command can be used to restore one or more objects from Archive to Standard storage.
+
+	Usage Examples:
+
+    rclone backend restore oos:bucket/path/to/directory -o hours=HOURS
+    rclone backend restore oos:bucket -o hours=HOURS
+
+This flag also obeys the filters. Test first with --interactive/-i or --dry-run flags
+
+	rclone --interactive backend restore --include "*.txt" oos:bucket/path -o hours=72
+
+All the objects shown will be marked for restore, then
+
+	rclone backend restore --include "*.txt" oos:bucket/path -o hours=72
+
+	It returns a list of status dictionaries with Object Name and Status
+	keys. The Status will be "RESTORED"" if it was successful or an error message
+	if not.
+
+	[
+		{
+			"Object": "test.txt"
+			"Status": "RESTORED",
+		},
+		{
+			"Object": "test/file4.txt"
+			"Status": "RESTORED",
+		}
+	]
+
+
+Options:
+
+- "hours": The number of hours for which this object will be restored. Default is 24 hrs.
+
 {{< rem autogenerated options stop >}}
 
 ## Tutorials