Fix image field unmarshal bug (#22)

Co-authored-by: mandochen <mandochen@tencent.com>

Author: chenjiandongx

README.md

@@ -77,10 +77,10 @@ Flags:
 ~ 🐶 kubectl images -n kube-system -oy dns
 - pod: coredns-78fcd69978-9pbjh
   container: coredns
-  image: kube-system
+  image: k8s.gcr.io/coredns/coredns:v1.8.4
 - pod: coredns-78fcd69978-jh7m2
   container: coredns
-  image: kube-system
+  image: k8s.gcr.io/coredns/coredns:v1.8.4
 
 ~ 🐶 kubectl images -A -c 0,1,3
 [Summary]: 2 namespaces, 11 pods, 11 containers and 9 different images
@@ -141,14 +141,14 @@ Flags:
   "namespace": "nginx",
   "pod": "nginx-deployment-66b6c48dd5-s9wv5",
   "container": "nginx",
-  "image": "nginx",
+  "image": "nginx:latest",
   "imagePullPolicy": "IfNotPresent"
  },
  {
   "namespace": "nginx",
   "pod": "nginx-deployment-66b6c48dd5-wmn9x",
   "container": "nginx",
-  "image": "nginx",
+  "image": "nginx:latest",
   "imagePullPolicy": "IfNotPresent"
  }
 ]

cmd/main.go

@@ -9,7 +9,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-const version = "0.5.0"
+const version = "0.5.1"
 
 var rootCmd *cobra.Command
 

kubectl_images.go

@@ -103,7 +103,7 @@ func (ie *ImageEntity) filterBy(columns []string) ImageEntity {
 		case labelContainer:
 			entity.Container = ie.Container
 		case labelImage:
-			entity.Image = ie.Namespace
+			entity.Image = ie.Image
 		case labelImagePullPolicy:
 			entity.ImagePullPolicy = ie.ImagePullPolicy
 		}