Client-go usage example 4

normal_case_test.go

package main

import (
	"fmt"
	"log"

	core_v1 "k8s.io/api/core/v1"
	meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes/fake"
)

func main() {
	client := newClient()
	if err := addTestData(client); err != nil {
		log.Fatal(err)
	}

	pods, err := client.CoreV1().Pods("").List(meta_v1.ListOptions{})
	if err != nil {
		log.Fatal(err)
	}

	for _, pod := range pods.Items {
		fmt.Println(pod.Name)
	}
}

func newClient() *fake.Clientset {
	return fake.NewSimpleClientset()
}

func addTestData(client *fake.Clientset) error {
	pod := &core_v1.Pod{
		ObjectMeta: meta_v1.ObjectMeta{
			Namespace: core_v1.NamespaceDefault,
			Name:      "test",
		},
	}
	_, err := client.CoreV1().Pods(core_v1.NamespaceDefault).Create(pod)
	return err
}