UniStore: Add non interactive mode for CLI migration (#103407)

Signed-off-by: Maicon Costa <maiconscosta@gmail.com>

pkg/cmd/grafana-cli/commands/datamigrations/to_unified_storage.go

@@ -67,6 +67,26 @@ func ToUnifiedStorage(c utils.CommandLine, cfg *setting.Cfg, sqlStore db.DB) err
 		nil, provisioning, sort.ProvideService(),
 	)
 
+	if c.Bool("non-interactive") {
+		client, err := newUnifiedClient(cfg, sqlStore)
+		if err != nil {
+			return err
+		}
+
+		opts.Store = client
+		opts.BlobStore = client
+		rsp, err := migrator.Migrate(ctx, opts)
+		if err != nil {
+			return err
+		}
+		fmt.Printf("Unified storage export: %s\n", time.Since(start))
+		if rsp != nil {
+			jj, _ := json.MarshalIndent(rsp, "", "  ")
+			fmt.Printf("%s\n", string(jj))
+		}
+		return nil
+	}
+
 	yes, err := promptYesNo(fmt.Sprintf("Count legacy resources for namespace: %s?", opts.Namespace))
 	if err != nil {
 		return err