Check and return error while creating kubernetes secret and config maps.

Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>

cli/command/stack/kubernetes/conversion.go

@@ -37,7 +37,6 @@ func podToTask(pod apiv1.Pod) swarm.Task {
 		},
 	}
 
-	pod.GetLabels()
 	return task
 }
 

cli/command/stack/kubernetes/deploy.go

@@ -94,8 +94,9 @@ func createFileBasedConfigMaps(stackName string, globalConfigs map[string]compos
 			return err
 		}
 
-		configMap := toConfigMap(stackName, name, fileName, content)
+		if _, err := configMaps.Create(toConfigMap(stackName, name, fileName, content)); err != nil {
-		configMaps.Create(configMap)
+			return err
+		}
 	}
 
 	return nil
@@ -124,8 +125,9 @@ func createFileBasedSecrets(stackName string, globalSecrets map[string]composeTy
 			return err
 		}
 
-		secret := toSecret(stackName, name, fileName, content)
+		if _, err := secrets.Create(toSecret(stackName, name, fileName, content)); err != nil {
-		secrets.Create(secret)
+			return err
+		}
 	}
 
 	return nil