Implement flags grouping for karmada-aggregated-apiserver

Signed-off-by: AllenZMC <zhongming.chang@daocloud.io>

Implement flags grouping for karmada-aggregated-apiserver

Signed-off-by: AllenZMC <zhongming.chang@daocloud.io>

cmd/aggregated-apiserver/app/aggregated-apiserver.go

@@ -2,12 +2,15 @@ package app
 
 import (
 	"context"
-	"flag"
 	"os"
 
 	"github.com/spf13/cobra"
+	cliflag "k8s.io/component-base/cli/flag"
+	"k8s.io/component-base/term"
 
 	"github.com/karmada-io/karmada/cmd/aggregated-apiserver/app/options"
+	"github.com/karmada-io/karmada/pkg/sharedcli"
+	"github.com/karmada-io/karmada/pkg/sharedcli/klogflag"
 	"github.com/karmada-io/karmada/pkg/version/sharedcommand"
 )
 
@@ -32,8 +35,20 @@ func NewAggregatedApiserverCommand(ctx context.Context) *cobra.Command {
 		},
 	}
 
-	opts.AddFlags(cmd.Flags())
+	fss := cliflag.NamedFlagSets{}
+
+	genericFlagSet := fss.FlagSet("generic")
+	opts.AddFlags(genericFlagSet)
+
+	// Set klog flags
+	logsFlagSet := fss.FlagSet("logs")
+	klogflag.Add(logsFlagSet)
+
 	cmd.AddCommand(sharedcommand.NewCmdVersion(os.Stdout, "karmada-aggregated-apiserver"))
-	cmd.Flags().AddGoFlagSet(flag.CommandLine)
+	cmd.Flags().AddFlagSet(genericFlagSet)
+	cmd.Flags().AddFlagSet(logsFlagSet)
+
+	cols, _, _ := term.TerminalSize(cmd.OutOrStdout())
+	sharedcli.SetUsageAndHelpFunc(cmd, fss, cols)
 	return cmd
 }