64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
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package main
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import (
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"context"
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"flag"
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"fmt"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/clientcmd"
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"k8s.io/client-go/util/homedir"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"path/filepath"
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)
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// 集群外初始化 client
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// 需要集群的 kubeconfig 配置文件
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func main() {
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var kubeconfig *string
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if home := homedir.HomeDir(); home != "" {
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kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")
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} else {
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kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")
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}
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flag.Parse()
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// use the current context in kubeconfig
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config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)
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if err != nil {
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panic(err.Error())
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}
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// create the clientset
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clientSet, err := kubernetes.NewForConfig(config)
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if err != nil {
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panic(err.Error())
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}
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nodes, err := clientSet.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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panic(err.Error())
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}
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pods, err := clientSet.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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panic(err.Error())
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}
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fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))
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for _, v := range pods.Items {
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fmt.Println(v.Name)
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}
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fmt.Println("===================================================================================================")
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for _, v := range nodes.Items {
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fmt.Println("========================================")
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fmt.Printf("node:%v ip:%v\n", v.Name, v.Status.Addresses[0].Address)
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for _, c := range v.Status.Conditions {
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fmt.Println("-----------------------------------------")
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fmt.Printf("message:%v\n", c.Message)
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fmt.Printf("status:%v\n", c.Status)
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fmt.Printf("type:%v\n", c.Type)
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fmt.Printf("reason:%v\n", c.Reason)
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}
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}
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}
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