Blacklist kube-system

client/client.go

@@ -14,6 +14,7 @@ import (
 type Args struct {
 	Namespace  string
 	KubeConfig string
+	NamespaceBlacklist []string
 }
 
 func Run(args *Args) error {
@@ -36,12 +37,26 @@ func Run(args *Args) error {
 		return fmt.Errorf("failed to merge responses: %v", err)
 	}
 
+	filterBlacklist(resources, args.NamespaceBlacklist)
+
 	if err := Write(resources, args); err != nil {
 		return fmt.Errorf("faild to write: %v", err)
 	}
 	return nil
 }
 
+func filterBlacklist(resources map[string]*PodResource, blacklist []string) {
+	blMap := make(map[string]struct{})
+	for _, ns := range blacklist {
+		blMap[ns] = struct{}{}
+	}
+	for k, v := range resources {
+		if _, f := blMap[v.Namespace]; f {
+			delete(resources, k)
+		}
+	}
+}
+
 func FetchMetrics(cfg *rest.Config, ns string) (map[string]*PodResource, error) {
 	metricsclient, err := metrics.NewForConfig(cfg)
 	if err != nil {

cmd/cmd.go

@@ -12,8 +12,9 @@ import (
 
 var (
 	args = &client.Args{
-		Namespace:  "",
-		KubeConfig: path.Join(os.Getenv("HOME"), ".kube", "config"),
+		Namespace:          "",
+		KubeConfig:         path.Join(os.Getenv("HOME"), ".kube", "config"),
+		NamespaceBlacklist: []string{"kube-system"},
 	}
 )