Add labels configuration to Shell node pod (#1847)

* Add labels config to shell node pod spec

* Add labels to config tests

internal/config/config_test.go

@@ -315,6 +315,7 @@ var expectedConfig = `k9s:
         limits:
           cpu: 100m
           memory: 100Mi
+        labels: {}
       portForwardAddress: localhost
     fred:
       namespace:
@@ -338,6 +339,7 @@ var expectedConfig = `k9s:
         limits:
           cpu: 100m
           memory: 100Mi
+        labels: {}
       portForwardAddress: localhost
     minikube:
       namespace:
@@ -361,6 +363,7 @@ var expectedConfig = `k9s:
         limits:
           cpu: 100m
           memory: 100Mi
+        labels: {}
       portForwardAddress: localhost
   thresholds:
     cpu:
@@ -411,6 +414,7 @@ var resetConfig = `k9s:
         limits:
           cpu: 100m
           memory: 100Mi
+        labels: {}
       portForwardAddress: localhost
   thresholds:
     cpu:

internal/config/shell_pod.go

@@ -12,11 +12,12 @@ type Limits map[v1.ResourceName]string
 
 // ShellPod represents k9s shell configuration.
 type ShellPod struct {
-	Image     string   `json:"image"`
-	Command   []string `json:"command,omitempty"`
-	Args      []string `json:"args,omitempty"`
-	Namespace string   `json:"namespace"`
-	Limits    Limits   `json:"resources,omitempty"`
+	Image     string            `json:"image"`
+	Command   []string          `json:"command,omitempty"`
+	Args      []string          `json:"args,omitempty"`
+	Namespace string            `json:"namespace"`
+	Limits    Limits            `json:"resources,omitempty"`
+	Labels    map[string]string `json:"labels,omitempty"`
 }
 
 // NewShellPod returns a new instance.

internal/view/exec.go

@@ -331,6 +331,7 @@ func k9sShellPod(node string, cfg *config.ShellPod) v1.Pod {
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      k9sShellPodName(),
 			Namespace: cfg.Namespace,
+			Labels:    cfg.Labels,
 		},
 		Spec: v1.PodSpec{
 			NodeName:                      node,