k8s-manager/test/restClient.go

package test

import (
	"context"
	"k8s-manager/handler/common"
	"log"

	"k8s.io/client-go/kubernetes/scheme"

	corev1 "k8s.io/api/core/v1"

	"k8s.io/client-go/rest"

	"k8s.io/client-go/tools/clientcmd"
)

func RestClientPods() {
	// 1. 获取RestClient
	// 加载配置
	config, err := clientcmd.BuildConfigFromFlags("", "../"+common.KubeConfigPath)
	if err != nil {
		log.Fatalln(err)
	}
	// 完成基础配置
	// api 路径
	config.APIPath = "api"
	// 组版本
	config.GroupVersion = &corev1.SchemeGroupVersion
	// 约定的编解码器（序列化器）
	config.NegotiatedSerializer = scheme.Codecs
	// 获取 RestClient
	restClient, err := rest.RESTClientFor(config)
	if err != nil {
		log.Fatalln(err)
	}

	// 2. 发出获取Pods的请求
	// 结果对象
	podList := &corev1.PodList{}
	// 请求配置（参数，method，选项）
	namespace := "kube-system"
	if err := restClient.Get().
		Resource("pods").
		Namespace(namespace).
		Do(context.Background()).
		Into(podList); err != nil {
		log.Fatalln(err)
	}

	// 3. 处理获取的响应
	for _, pod := range podList.Items {
		log.Printf("Name: %s Status: %s\n", pod.Name, pod.Status.Phase)
	}
}