return idle status when worker has nothing to do

pkg/cluster/cluster.go

@@ -73,7 +73,7 @@ type Cluster struct {
 	teamsAPIClient *teams.API
 	KubeClient     k8sutil.KubernetesClient //TODO: move clients to the better place?
 	currentProcess spec.Process
-	processMu		sync.RWMutex
+	processMu      sync.RWMutex
 }
 
 type compareStatefulsetResult struct {

pkg/cluster/exec.go

@@ -2,8 +2,8 @@ package cluster
 
 import (
 	"bytes"
-	"strings"
 	"fmt"
+	"strings"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	remotecommandconsts "k8s.io/apimachinery/pkg/util/remotecommand"