Move to auto_start as optional bool

Signed-off-by: Matt Lord <mattalord@gmail.com>

go/cmd/vtctldclient/command/vreplication/vdiff/vdiff.go

@@ -70,7 +70,7 @@ var (
 		AutoRetry                   bool
 		MaxDiffDuration             time.Duration
 		RowDiffColumnTruncateAt     int64
-		DoNotStart                  bool
+		AutoStart                   bool
 	}{}
 
 	deleteOptions = struct {
@@ -301,7 +301,7 @@ func commandCreate(cmd *cobra.Command, args []string) error {
 		MaxReportSampleRows:         createOptions.MaxReportSampleRows,
 		MaxDiffDuration:             protoutil.DurationToProto(createOptions.MaxDiffDuration),
 		RowDiffColumnTruncateAt:     createOptions.RowDiffColumnTruncateAt,
-		DoNotStart:                  createOptions.DoNotStart,
+		AutoStart:                   &createOptions.AutoStart,
 	})
 
 	if err != nil {
@@ -901,7 +901,7 @@ func registerCommands(root *cobra.Command) {
 	create.Flags().BoolVar(&createOptions.UpdateTableStats, "update-table-stats", false, "Update the table statistics, using ANALYZE TABLE, on each table involved in the vdiff during initialization. This will ensure that progress estimates are as accurate as possible -- but it does involve locks and can potentially impact query processing on the target keyspace.")
 	create.Flags().DurationVar(&createOptions.MaxDiffDuration, "max-diff-duration", 0, "How long should an individual table diff run before being stopped and restarted in order to lessen the impact on tablets due to holding open database snapshots for long periods of time (0 is the default and means no time limit).")
 	create.Flags().Int64Var(&createOptions.RowDiffColumnTruncateAt, "row-diff-column-truncate-at", 128, "When showing row differences, truncate the non Primary Key column values to this length. A value less than 1 means do not truncate.")
-	create.Flags().BoolVar(&createOptions.DoNotStart, "do-not-start", false, "Don't start the vdiff upon creation. When specified, the vdiff will be created but will not run until resumed.")
+	create.Flags().BoolVar(&createOptions.AutoStart, "auto-start", true, "Start the vdiff upon creation. When false, the vdiff will be created but will not run until resumed.")
 	base.AddCommand(create)
 
 	base.AddCommand(delete)

go/test/endtoend/vreplication/vdiff2_test.go

@@ -321,8 +321,8 @@ func testWorkflow(t *testing.T, vc *VitessCluster, tc *testCase, tks *Keyspace,
 		testCLIErrors(t, ksWorkflow, allCellNames)
 	}
 	if tc.testCLIFlagHandling {
-		testCLIFlagHandling(t, tc.targetKs, tc.workflow, cells[0])
 		// This creates and then deletes the vdiff so we don't increment the count.
+		testCLIFlagHandling(t, tc.targetKs, tc.workflow, cells[0])
 	}
 
 	checkVDiffCountStat(t, statsTablet, tc.vdiffCount)
@@ -370,6 +370,7 @@ func testCLIErrors(t *testing.T, ksWorkflow, cells string) {
 // testCLIFlagHandling tests that the vtctldclient CLI flags are handled correctly
 // from vtctldclient->vtctld->vttablet->mysqld.
 func testCLIFlagHandling(t *testing.T, targetKs, workflowName string, cell *Cell) {
+	false := false
 	expectedOptions := &tabletmanagerdatapb.VDiffOptions{
 		CoreOptions: &tabletmanagerdatapb.VDiffCoreOptions{
 			MaxRows:               999,
@@ -378,7 +379,7 @@ func testCLIFlagHandling(t *testing.T, targetKs, workflowName string, cell *Cell
 			UpdateTableStats:      true,
 			TimeoutSeconds:        60,
 			MaxDiffSeconds:        333,
-			DoNotStart:            true,
+			AutoStart:             &false,
 		},
 		PickerOptions: &tabletmanagerdatapb.VDiffPickerOptions{
 			SourceCell:  "zone1,zone2,zone3,zonefoosource",
@@ -407,7 +408,7 @@ func testCLIFlagHandling(t *testing.T, targetKs, workflowName string, cell *Cell
 			fmt.Sprintf("--auto-retry=%t", expectedOptions.CoreOptions.AutoRetry),
 			fmt.Sprintf("--only-pks=%t", expectedOptions.ReportOptions.OnlyPks),
 			fmt.Sprintf("--row-diff-column-truncate-at=%d", expectedOptions.ReportOptions.RowDiffColumnTruncateAt),
-			fmt.Sprintf("--do-not-start=%t", expectedOptions.CoreOptions.DoNotStart),
+			fmt.Sprintf("--auto-start=%t", *expectedOptions.CoreOptions.AutoStart),
 			"--tablet-types-in-preference-order=false", // So tablet_types should not start with "in_order:", which is the default
 			"--format=json") // So we can easily grab the UUID
 		require.NoError(t, err, "vdiff command failed: %s", res)