cluster: support IngoreInitConfigComps

components/cluster/command/prune.go

@@ -43,6 +43,7 @@ func newPruneCmd() *cobra.Command {
 	}
 
 	cmd.Flags().BoolVar(&gOpt.Force, "force", false, "Ignore errors when deleting the instance with data from the cluster")
+	cmd.Flags().StringSliceVar(&gOpt.IngoreInitConfigRoles, "ignore-config-roles", nil, "ignore generate config in specified components(tidb,pd,tikv)")
 
 	return cmd
 }

components/cluster/command/scale_in.go

@@ -63,6 +63,7 @@ func newScaleInCmd() *cobra.Command {
 	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Specify the nodes (required)")
 	cmd.Flags().Uint64Var(&gOpt.APITimeout, "transfer-timeout", 600, "Timeout in seconds when transferring PD and TiKV store leaders, also for TiCDC drain one capture")
 	cmd.Flags().BoolVar(&gOpt.Force, "force", false, "Force just try stop and destroy instance before removing the instance from topo")
+	cmd.Flags().StringSliceVar(&gOpt.IngoreInitConfigRoles, "ignore-config-roles", nil, "ignore generate config in specified components(tidb,pd,tikv)")
 
 	_ = cmd.MarkFlagRequired("node")
 

components/cluster/command/scale_out.go

@@ -94,6 +94,7 @@ func newScaleOutCmd() *cobra.Command {
 	cmd.Flags().BoolVarP(&opt.NoLabels, "no-labels", "", false, "Don't check TiKV labels")
 	cmd.Flags().BoolVarP(&opt.Stage1, "stage1", "", false, "Don't start the new instance after scale-out, need to manually execute cluster scale-out --stage2")
 	cmd.Flags().BoolVarP(&opt.Stage2, "stage2", "", false, "Start the new instance and init config after scale-out --stage1")
+	cmd.Flags().StringSliceVar(&gOpt.IngoreInitConfigRoles, "ignore-config-roles", nil, "ignore generate config in specified components(tidb,pd,tikv)")
 
 	return cmd
 }

pkg/cluster/manager/builder.go

@@ -629,6 +629,13 @@ func buildInitConfigTasks(
 			return
 		}
 		compName := instance.ComponentName()
+
+		for _, IgnoreComp := range gOpt.IngoreInitConfigRoles {
+			if IgnoreComp == compName {
+				return
+			}
+		}
+
 		deployDir := spec.Abs(base.User, instance.DeployDir())
 		// data dir would be empty for components which don't need it
 		dataDirs := spec.MultiDirAbs(base.User, instance.DataDir())

pkg/cluster/operation/operation.go

@@ -57,6 +57,8 @@ type Options struct {
 
 	DisplayMode string // the output format
 	Operation   Operation
+
+	IngoreInitConfigRoles []string // ignore config generate in the specific roles
 }
 
 // Operation represents the type of cluster operation