Add golangci-lint workflow (#4999)

* fix lint workflow

* add golang lint

* close http response body

test/e2e/framework/iam/utils.go

@@ -17,10 +17,6 @@ limitations under the License.
 package iam
 
 import (
-	"context"
-	"fmt"
-
-	"golang.org/x/oauth2"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/rest"
 	"kubesphere.io/client-go/client"
@@ -53,13 +49,3 @@ func NewRestClient(user, passsword string) (*restclient.RestClient, error) {
 
 	return restclient.NewForConfig(config)
 }
-
-func getToken(host, user, password string) (*oauth2.Token, error) {
-	config := &oauth2.Config{
-		Endpoint: oauth2.Endpoint{
-			TokenURL:  fmt.Sprintf("%s/oauth/token", host),
-			AuthStyle: oauth2.AuthStyleInParams,
-		},
-	}
-	return config.PasswordCredentialsToken(context.TODO(), user, password)
-}

test/e2e/framework/workspace/fixtures.go

@@ -38,10 +38,8 @@ func NewWorkspaceTemplate(name string, manager string, hosts ...string) *tenantv
 
 	clusters := []fedb1.GenericClusterReference{}
 
-	if hosts != nil {
-		for _, h := range hosts {
-			clusters = append(clusters, fedb1.GenericClusterReference{Name: h})
-		}
+	for _, h := range hosts {
+		clusters = append(clusters, fedb1.GenericClusterReference{Name: h})
 	}
 
 	return &tenantv1alpha2.WorkspaceTemplate{