fix k8s client init

internal/client/k8s.go

@@ -2,16 +2,14 @@ package client
 
 import (
 	"context"
-	"path/filepath"
 	"strings"
 
 	"github.com/intelops/go-common/logging"
 	"github.com/pkg/errors"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/tools/clientcmd"
-	"k8s.io/client-go/util/homedir"
+	"k8s.io/client-go/rest"
 )
 
 type K8SClient struct {
@@ -20,11 +18,7 @@ type K8SClient struct {
 }
 
 func NewK8SClient(log logging.Logger) (*K8SClient, error) {
-	var kubeconfig string
-	if home := homedir.HomeDir(); home != "" {
-		kubeconfig = filepath.Join(home, ".kube", "config")
-	}
-	config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
+	config, err := rest.InClusterConfig()
 	if err != nil {
 		return nil, err
 	}