PCM/examples/pod/huawei.go

package main

import (
	"context"
	"fmt"
	"github.com/pkg/errors"
	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/api/resource"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/tools/clientcmd"
	"k8s.io/client-go/tools/clientcmd/api"
)

const (
	apiVersion  = "client.authentication.k8s.io/v1beta1"
	cciEndpoint = "https://cci.cn-east-3.myhuaweicloud.com"
	iamEndpoint = "https://iam.cn-east-3.myhuaweicloud.com"
	projectName = "cn-east-3"
	ak          = ""
	sk          = ""
)

// NewClientOrigin 通过AK/SK认证创建ClientSet
func NewClientOrigin() (*kubernetes.Clientset, error) {
	config, err := clientcmd.BuildConfigFromFlags(cciEndpoint, "")
	if err != nil {
		return nil, err
	}
	var optionArgs []string
	optionArgs = append(optionArgs, fmt.Sprintf("--iam-endpoint=%s", iamEndpoint))
	optionArgs = append(optionArgs, fmt.Sprintf("--project-name=%s", projectName))
	optionArgs = append(optionArgs, fmt.Sprintf("--token-only=false"))
	optionArgs = append(optionArgs, fmt.Sprintf("--ak=%s", ak))
	optionArgs = append(optionArgs, fmt.Sprintf("--sk=%s", sk))
	config.ExecProvider = &api.ExecConfig{
		Command:    "cci-iam-authenticator",
		APIVersion: apiVersion,
		Args:       append([]string{"token"}, optionArgs...),
		Env:        make([]api.ExecEnvVar, 0),
	}
	return kubernetes.NewForConfig(config)
}

func CreatePodOrigin(client *kubernetes.Clientset) (*corev1.Pod, error) {

	pod := corev1.Pod{
		TypeMeta: metav1.TypeMeta{
			APIVersion: "core/V1",
			Kind:       "Pod",
		},
		ObjectMeta: metav1.ObjectMeta{
			Name:      "hw-sdk-test",
			Namespace: "pcm",
			Labels:    map[string]string{"name": "test_api"},
		},
		Spec: corev1.PodSpec{
			RestartPolicy: corev1.RestartPolicyAlways,
			Containers: []corev1.Container{
				{
					Name:  "pcm-sdk-huawei-container",
					Image: "library/nginx:stable-alpine-perl",
					Resources: corev1.ResourceRequirements{
						Limits: map[corev1.ResourceName]resource.Quantity{
							corev1.ResourceCPU:    resource.MustParse("500m"),
							corev1.ResourceMemory: resource.MustParse("1Gi"),
						},
					},
				},
			},
		},
		Status: corev1.PodStatus{},
	}

	resp, err := client.CoreV1().Pods("pcm").Create(context.TODO(), &pod, metav1.CreateOptions{})
	if err != nil {
		return nil, errors.Wrap(err, "Huaweiyun CreatePod error")
	}

	return &corev1.Pod{
		TypeMeta:   resp.TypeMeta,
		ObjectMeta: resp.ObjectMeta,
		Spec:       resp.Spec,
		Status:     resp.Status,
	}, nil
}

// UpdatePodOrigin 删除Pod
func UpdatePodOrigin(client *kubernetes.Clientset) error {
	pod := corev1.Pod{
		TypeMeta: metav1.TypeMeta{
			APIVersion: "core/V1",
			Kind:       "Pod",
		},
		ObjectMeta: metav1.ObjectMeta{
			Name:      "hw-sdk-test",
			Namespace: "pcm",
			Labels:    map[string]string{"name": "test_api222"},
		},
		Spec: corev1.PodSpec{
			RestartPolicy: corev1.RestartPolicyAlways,
			Containers: []corev1.Container{
				{
					Name:  "pcm-sdk-huawei-container2",
					Image: "library/nginx:stable-alpine-perl",
					Resources: corev1.ResourceRequirements{
						Limits: map[corev1.ResourceName]resource.Quantity{
							corev1.ResourceCPU:    resource.MustParse("1000m"),
							corev1.ResourceMemory: resource.MustParse("2Gi"),
						},
					},
				},
			},
		},
		Status: corev1.PodStatus{},
	}

	client.CoreV1().Pods("pcm").Update(context.TODO(), &pod, metav1.UpdateOptions{})
	return nil
}

// DeletePodOrigin 删除Pod
func DeletePodOrigin(client *kubernetes.Clientset) error {
	return client.CoreV1().Pods("pcm").Delete(context.TODO(), "hw-sdk-test", metav1.DeleteOptions{})
}

// ListPodOrigin 查询Pod
func ListPodOrigin(client *kubernetes.Clientset) (*corev1.PodList, error) {

	podList, _ := client.CoreV1().Pods("pcm").List(context.TODO(), metav1.ListOptions{})
	println(podList.Items[0].Name)
	return podList, nil
}
func main() {

	cs, _ := NewClientOrigin()

	//CreatePodOrigin(cs)
	//ListPodOrigin(cs)
	//UpdatePodOrigin(cs)
	DeletePodOrigin(cs)

}