Update deployment.go
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dqzboy
GitHub
@ -21,7 +21,7 @@ type deployment struct{}
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//定义列表的返回内容，Items是deployment元素列表，Total为deployment元素数量
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type DeploymentsResp struct {
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Items []appsv1.Deployment `json:"items"`
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Total int
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Total int `json:"total"`
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}
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//定义DeployCreate结构体，用于创建deployment需要的参数属性的定义
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@ -38,7 +38,7 @@ type DeployCreate struct {
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HealthPath string `json:"health_path"`
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}
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//定义DeploysNp类型,用于返回namespace中的deployment数据
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//定义DeploysNp类型，用于返回namespace中deployment的数量
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type DeploysNp struct {
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Namespace string `json:"namespace"`
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DeployNum int `json:"deployment_num"`
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@ -49,12 +49,9 @@ func (d *deployment) GetDeployments(filterName, namespace string, limit, page in
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//获取deploymentList类型的deployment列表
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deploymentList, err := K8s.ClientSet.AppsV1().Deployments(namespace).List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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//打印日志,排错
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logger.Error("获取Deployment列表失败," + err.Error())
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//返回给上一层，最终返回给前端，前端打印出该error
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return nil, errors.New("获取Deployment列表失败," + err.Error())
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logger.Error(errors.New("获取Deployment列表失败, " + err.Error()))
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return nil, errors.New("获取Deployment列表失败, " + err.Error())
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}
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//将deploymentList中的deployment列表(Items)，放进dataselector对象中，进行排序
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selectableData := &dataSelector{
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GenericDataList: d.toCells(deploymentList.Items),
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@ -67,74 +64,69 @@ func (d *deployment) GetDeployments(filterName, namespace string, limit, page in
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},
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}
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//先过滤
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filtered := selectableData.Filter()
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total := len(filtered.GenericDataList)
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//排序和分页
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data := filtered.Sort().Paginate()
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//将DataCell类型的deployment列表转换成appsv1.deployment列表
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//将[]DataCell类型的deployment列表转为appsv1.deployment列表
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deployments := d.fromCells(data.GenericDataList)
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return &DeploymentsResp{
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Items: deployments,
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Total: total,
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}, nil
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}
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//获取Deployment详情
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//获取deployment详情
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func (d *deployment) GetDeploymentDetail(deploymentName, namespace string) (deployment *appsv1.Deployment, err error) {
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deployment, err = K8s.ClientSet.AppsV1().Deployments(namespace).Get(context.TODO(), deploymentName, metav1.GetOptions{})
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if err != nil {
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logger.Error(errors.New("获取Deployment详情失败, " + err.Error()))
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return nil, errors.New("获取Deployment详情失败, " + err.Error())
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}
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return deployment, nil
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}
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//修改Deployment副本数
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//设置deployment副本数
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func (d *deployment) ScaleDeployment(deploymentName, namespace string, scaleNum int) (replica int32, err error) {
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//获取autoscalingv1.Scale类型的对象，能点出当前的副本数
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scale, err := K8s.ClientSet.AppsV1().Deployments(namespace).GetScale(context.TODO(), deploymentName, metav1.GetOptions{})
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if err != nil {
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logger.Error(errors.New("获取Deployment副本数信息失败," + err.Error()))
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return 0, errors.New("获取Deployment副本数信息失败," + err.Error())
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logger.Error(errors.New("获取Deployment副本数信息失败, " + err.Error()))
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return 0, errors.New("获取Deployment副本数信息失败, " + err.Error())
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}
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//修改副本数
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scale.Spec.Replicas = int32(scaleNum)
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//更新副本数，传入scale对象
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newScale, err := K8s.ClientSet.AppsV1().Deployments(namespace).UpdateScale(context.TODO(), deploymentName, scale, metav1.UpdateOptions{})
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if err != nil {
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logger.Error(errors.New("更新Deployment副本数信息失败," + err.Error()))
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return 0, errors.New("更新Deployment副本数信息失败," + err.Error())
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logger.Error(errors.New("更新Deployment副本数信息失败, " + err.Error()))
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return 0, errors.New("更新Deployment副本数信息失败, " + err.Error())
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}
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return newScale.Spec.Replicas, nil
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}
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//创建Deployment,接收DeployCreate对象
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//创建deployment，接收DeployCreate对象
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func (d *deployment) CreateDeployment(data *DeployCreate) (err error) {
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//初始化appsv1.Deployment类型的对象，并将入参的data数据放进去
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deployment := &appsv1.Deployment{
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//ObjectMeta中定义资源名、命名空间以及标签
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ObjectMeta: metav1.ObjectMeta{
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Name: data.Name,
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Namespace: data.Namespace,
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Labels: data.Label,
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},
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//Spec中定义副本数、选择器、以及Pod属性
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Spec: appsv1.DeploymentSpec{
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Replicas: &data.Replicas,
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Selector: &metav1.LabelSelector{
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MatchLabels: data.Label,
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},
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Template: corev1.PodTemplateSpec{
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//定义Pod名和标签
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ObjectMeta: metav1.ObjectMeta{
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Name: data.Name,
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Labels: data.Label,
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},
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//定义容器名、镜像和端口
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Spec: corev1.PodSpec{
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Containers: []corev1.Container{
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{
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@ -152,15 +144,12 @@ func (d *deployment) CreateDeployment(data *DeployCreate) (err error) {
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},
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},
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},
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//Status定义资源的运行状态，这里由于是新建，传入空的appsv1.DeploymentStatus{}对象即可
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Status: appsv1.DeploymentStatus{},
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}
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//判断是否打开健康检查功能，如果打开，则定义ReadinessProbe和LivenessProbe
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//判断健康检查功能是否打开，若打开，则增加健康检查功能
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if data.HealthCheck {
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//设置第一个容器的ReadnessProbe，因为我们pod中只有一个容器，所以直接使用index 0 即可
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//如果pod中有多个容器，则这里需要使用for循环去定义
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deployment.Spec.Template.Spec.Containers[0].ReadinessProbe = &corev1.Probe{
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Handler: corev1.Handler{
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ProbeHandler: corev1.ProbeHandler{
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HTTPGet: &corev1.HTTPGetAction{
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Path: data.HealthPath,
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Port: intstr.IntOrString{
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@ -174,20 +163,18 @@ func (d *deployment) CreateDeployment(data *DeployCreate) (err error) {
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PeriodSeconds: 5,
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}
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deployment.Spec.Template.Spec.Containers[0].LivenessProbe = &corev1.Probe{
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Handler: corev1.Handler{
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ProbeHandler: corev1.ProbeHandler{
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HTTPGet: &corev1.HTTPGetAction{
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Path: data.HealthPath,
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Port: intstr.IntOrString{
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Type: 0,
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Type: 0,
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IntVal: data.ContainerPort,
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},
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},
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},
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InitialDelaySeconds: 15,
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//超时时间
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TimeoutSeconds: 5,
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//执行间隔
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PeriodSeconds: 5,
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TimeoutSeconds: 5,
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PeriodSeconds: 5,
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}
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}
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//定义容器的limit和request资源
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@ -204,9 +191,10 @@ func (d *deployment) CreateDeployment(data *DeployCreate) (err error) {
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_, err = K8s.ClientSet.AppsV1().Deployments(data.Namespace).
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Create(context.TODO(), deployment, metav1.CreateOptions{})
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if err != nil {
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logger.Error(errors.New("创建Deployment失败," + err.Error()))
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return errors.New("创建Deployment失败," + err.Error())
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logger.Error(errors.New("创建Deployment失败, " + err.Error()))
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return errors.New("创建Deployment失败, " + err.Error())
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}
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return nil
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}
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@ -217,11 +205,12 @@ func (d *deployment) DeleteDeployment(deploymentName, namespace string) (err err
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logger.Error(errors.New("删除Deployment失败, " + err.Error()))
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return errors.New("删除Deployment失败, " + err.Error())
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}
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return nil
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}
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//重启deployment
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func(d *deployment) RestartDeployment(deploymentName, namespace string) (err error) {
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func (d *deployment) RestartDeployment(deploymentName, namespace string) (err error) {
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//此功能等同于一下kubectl命令
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//kubectl deployment ${service} -p \
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//'{"spec":{"template":{"spec":{"containers":[{"name":"'"${service}"'","env":[{"name":"RESTART_","value":"'$(date +%s)'"}]}]}}}}'
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@ -246,14 +235,14 @@ func(d *deployment) RestartDeployment(deploymentName, namespace string) (err err
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//序列化为字节，因为patch方法只接收字节类型参数
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patchByte, err := json.Marshal(patchData)
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if err != nil {
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logger.Error(errors.New("josn序列化失败," + err.Error()))
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return errors.New("json序列化失败," + err.Error())
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logger.Error(errors.New("json序列化失败, " + err.Error()))
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return errors.New("json序列化失败, " + err.Error())
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}
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//调用patch方法更新deployment
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_, err = K8s.ClientSet.AppsV1().Deployments(namespace).Patch(context.TODO(), deploymentName, "application/strategic-merge-patch+json", patchByte, metav1.PatchOptions{})
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if err != nil {
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logger.Error(errors.New("重启Deployment失败," + err.Error()))
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return errors.New("重启Deployment失败," + err.Error())
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logger.Error(errors.New("重启Deployment失败, " + err.Error()))
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return errors.New("重启Deployment失败, " + err.Error())
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}
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return nil
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@ -268,6 +257,7 @@ func (d *deployment) UpdateDeployment(namespace, content string) (err error) {
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logger.Error(errors.New("反序列化失败, " + err.Error()))
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return errors.New("反序列化失败, " + err.Error())
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}
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_, err = K8s.ClientSet.AppsV1().Deployments(namespace).Update(context.TODO(), deploy, metav1.UpdateOptions{})
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if err != nil {
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logger.Error(errors.New("更新Deployment失败, " + err.Error()))
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@ -282,7 +272,6 @@ func (d *deployment) GetDeployNumPerNp() (deploysNps []*DeploysNp, err error) {
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if err != nil {
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return nil, err
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}
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for _, namespace := range namespaceList.Items {
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deploymentList, err := K8s.ClientSet.AppsV1().Deployments(namespace.Name).List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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@ -293,12 +282,13 @@ func (d *deployment) GetDeployNumPerNp() (deploysNps []*DeploysNp, err error) {
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Namespace: namespace.Name,
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DeployNum: len(deploymentList.Items),
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}
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deploysNps = append(deploysNps, deploysNp)
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}
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return deploysNps, nil
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}
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//类型转换的方法
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//类型转换
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func (d *deployment) toCells(deployments []appsv1.Deployment) []DataCell {
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cells := make([]DataCell, len(deployments))
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for i := range deployments {
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@ -310,7 +300,7 @@ func (d *deployment) toCells(deployments []appsv1.Deployment) []DataCell {
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func (d *deployment) fromCells(cells []DataCell) []appsv1.Deployment {
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deployments := make([]appsv1.Deployment, len(cells))
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for i := range cells {
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//cells[i].(podCell)是将DataCell类型转成podCell类型
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//cells[i].(podCell)是将DataCell类型转成podCell
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deployments[i] = appsv1.Deployment(cells[i].(deploymentCell))
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}
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return deployments
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