From 0cbfa83182d584b644afa891155fde08eac8f6ec Mon Sep 17 00:00:00 2001
From: dqzboy <42825450+dqzboy@users.noreply.github.com>
Date: Sun, 25 Sep 2022 21:12:09 +0800
Subject: [PATCH] Update pod.go

---
 service/pod.go | 22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/service/pod.go b/service/pod.go
index 3567115..59fa1e8 100644
--- a/service/pod.go
+++ b/service/pod.go
@@ -16,31 +16,24 @@ var Pod pod
 
 type pod struct{}
 
-// PodsResp 定义列表的返回内容，Items是Pod的元素列表，Total是元素数量
 type PodsResp struct {
 	Total int          `json:"total"`
 	Items []corev1.Pod `json:"items"`
 }
 
-//声明类型
+
 type PodsNp struct {
 	Namespace string
 	PodNum    int
 }
 
-// GetPods 获取Pod列表，支持过滤、排序、分页
-//context.TODD()用于声明一个空的context上下文，用于List方法内设置这个请求的超时(源码)，这里是常用用法
-//metav1.ListOptions{}用于过滤List数据，如使用label，field等
+
 func (p *pod) GetPods(filterName, namespace string, limit, page int) (podsResp *PodsResp, err error) {
 	podList, err := K8s.ClientSet.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{})
 	if err != nil {
-		//打印日志,排错
 		logger.Info("获取Pod列表失败," + err.Error())
-		//返回给上一层，最终返回给前端，前端打印出该error
 		return nil, errors.New("获取Pod列表失败," + err.Error())
 	}
-
-	//实例化dataSelector结构体，组装数据
 	selectableData := &dataSelector{
 		GenericDataList: p.toCells(podList.Items),
 		DataSelect: &DataSelectQuery{
@@ -52,13 +45,11 @@ func (p *pod) GetPods(filterName, namespace string, limit, page int) (podsResp *
 		},
 	}
 
-	//先过滤
 	filtered := selectableData.Filter()
 	total := len(filtered.GenericDataList)
 	//排序和分页
 	data := filtered.Sort().Paginate()
 
-	//将DataCell类型转换成Pod
 	pods := p.fromCells(data.GenericDataList)
 
 	return &PodsResp{
@@ -91,7 +82,6 @@ func (p *pod) DeletePod(podName, namespace string) (err error) {
 //更新Pod
 func (p *pod) UpdatePod(namespace, content string) (err error) {
 	pod := &corev1.Pod{}
-	//将json反序列化为pod类型
 	err = json.Unmarshal([]byte(content), pod)
 	if err != nil {
 		logger.Error("反序列化失败," + err.Error())
@@ -112,7 +102,6 @@ func (p *pod) GetPodContainer(podName, namespace string) (containers []string, e
 	if err != nil {
 		return nil, err
 	}
-	//从Pod对象中拿到容器名
 	for _, container := range pod.Spec.Containers {
 		containers = append(containers, container.Name)
 	}
@@ -121,7 +110,6 @@ func (p *pod) GetPodContainer(podName, namespace string) (containers []string, e
 
 //获取Pod内容器日志
 func (p *pod) GetPodLog(containerName, podName, namespace string) (log string, err error) {
-	//设置日志的配置，容器名、获取内容的配置
 	lineLimit := int64(config.PodLogTailLine)
 	option := &corev1.PodLogOptions{
 		Container: containerName,
@@ -129,14 +117,12 @@ func (p *pod) GetPodLog(containerName, podName, namespace string) (log string, e
 	}
 	//获取request实例
 	req := K8s.ClientSet.CoreV1().Pods(namespace).GetLogs(podName, option)
-	//发起request请求，返回一个io.ReadCloser类型（等同于response.body）
 	podLogs, err := req.Stream(context.TODO())
 	if err != nil {
 		logger.Error(errors.New("获取PodLogs失败," + err.Error()))
 		return "", errors.New("获取PodLogs失败," + err.Error())
 	}
 	defer podLogs.Close() //处理完关闭
-	//将response body写入到缓冲区，目的是为了转成string返回
 	buf := new(bytes.Buffer)
 	_, err = io.Copy(buf, podLogs)
 	if err != nil {
@@ -160,18 +146,15 @@ func (p *pod) GetPodNumPerNp() (podsNps []*PodsNp, err error) {
 		if err != nil {
 			return nil, err
 		}
-		//组装数据
 		podsNp := &PodsNp{
 			Namespace: namespace.Name,
 			PodNum:    len(podList.Items),
 		}
-		//添加到podsNps数组中
 		podsNps = append(podsNps, podsNp)
 	}
 	return podsNps, nil
 }
 
-//类型转换的方法 corev1.Pod -> DataCell, DataCell --> corev1.Pod
 func (p *pod) toCells(pods []corev1.Pod) []DataCell {
 	cells := make([]DataCell, len(pods))
 	for i := range pods {
@@ -183,7 +166,6 @@ func (p *pod) toCells(pods []corev1.Pod) []DataCell {
 func (p *pod) fromCells(cells []DataCell) []corev1.Pod {
 	pods := make([]corev1.Pod, len(cells))
 	for i := range cells {
-		//cells[i].(podCell)是将DataCell类型转成podCell类型
 		pods[i] = corev1.Pod(cells[i].(podCell))
 	}
 	return pods