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

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

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

@@ -148,6 +148,13 @@ var adminCommands = []*cli.Command{
 				Name:   "to-unified-storage",
 				Usage:  "Migrates classic SQL data into unified storage",
 				Action: runDbCommand(datamigrations.ToUnifiedStorage),
+				Flags: []cli.Flag{
+					&cli.BoolFlag{
+						Name:  "non-interactive",
+						Usage: "Non interactive mode. Just run the migration.",
+						Value: false,
+					},
+				},
 			},
 		},
 	},

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