Add golangci-lint workflow (#4999)

* fix lint workflow

* add golang lint

* close http response body

pkg/controller/utils/controller/basecontroller_test.go

@@ -19,7 +19,6 @@ package controller
 import (
 	"fmt"
 	"testing"
-	"time"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -28,9 +27,8 @@ import (
 )
 
 var (
-	alwaysReady        = func() bool { return true }
-	noResyncPeriodFunc = func() time.Duration { return 0 }
-	controllerName     = "base-controler-test"
+	alwaysReady    = func() bool { return true }
+	controllerName = "base-controler-test"
 )
 
 type fixture struct {
@@ -48,7 +46,6 @@ func (in *fakeObj) DeepCopyInto(out *fakeObj) {
 	*out = *in
 	out.TypeMeta = in.TypeMeta
 	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
-	return
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new GlobalRole.