Delete service directory
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dqzboy
GitHub
@ -1,183 +0,0 @@
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package service
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import (
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"context"
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"encoding/json"
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"errors"
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"github.com/wonderivan/logger"
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nwv1 "k8s.io/api/networking/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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var Ingress ingress
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type ingress struct{}
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type IngressesResp struct {
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Items []nwv1.Ingress `json:"items"`
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Total int `json:"total"`
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}
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//定义ServiceCreate结构体，用于创建service需要的参数属性的定义
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type IngressCreate struct {
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Name string `json:"name"`
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Namespace string `json:"namespace"`
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Label map[string]string `json:"label"`
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Hosts map[string][]*HttpPath `json:"hosts"`
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}
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//定义ingress的path结构体
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type HttpPath struct {
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Path string `json:"path"`
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PathType nwv1.PathType `json:"path_type"`
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ServiceName string `json:"service_name"`
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ServicePort int32 `json:"service_port"`
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}
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//获取ingress列表，支持过滤、排序、分页
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func (i *ingress) GetIngresses(filterName, namespace string, limit, page int) (ingressesResp *IngressesResp, err error) {
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//获取ingressList类型的ingress列表
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ingressList, err := K8s.ClientSet.NetworkingV1().Ingresses(namespace).List(context.TODO(), metav1.ListOptions{})
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if err != nil {
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logger.Error(errors.New("获取Ingress列表失败, " + err.Error()))
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return nil, errors.New("获取Ingress列表失败, " + err.Error())
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}
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//将ingressList中的ingress列表(Items)，放进dataselector对象中，进行排序
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selectableData := &dataSelector{
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GenericDataList: i.toCells(ingressList.Items),
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DataSelect: &DataSelectQuery{
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Filter: &FilterQuery{Name: filterName},
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Paginate: &PaginateQuery{
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Limit: limit,
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Page: page,
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},
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},
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}
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filtered := selectableData.Filter()
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total := len(filtered.GenericDataList)
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data := filtered.Sort().Paginate()
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//将[]DataCell类型的ingress列表转为v1.ingress列表
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ingresss := i.fromCells(data.GenericDataList)
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return &IngressesResp{
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Items: ingresss,
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Total: total,
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}, nil
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}
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//获取ingress详情
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func (i *ingress) GetIngresstDetail(ingressName, namespace string) (ingress *nwv1.Ingress, err error) {
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ingress, err = K8s.ClientSet.NetworkingV1().Ingresses(namespace).Get(context.TODO(), ingressName, metav1.GetOptions{})
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if err != nil {
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logger.Error(errors.New("获取Ingress详情失败, " + err.Error()))
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return nil, errors.New("获取Ingress详情失败, " + err.Error())
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}
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return ingress, nil
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}
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//创建ingress
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func (i *ingress) CreateIngress(data *IngressCreate) (err error) {
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//声明nwv1.IngressRule和nwv1.HTTPIngressPath变量，后面组装数据于鏊用到
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var ingressRules []nwv1.IngressRule
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var httpIngressPATHs []nwv1.HTTPIngressPath
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//将data中的数据组装成nwv1.Ingress对象
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ingress := &nwv1.Ingress{
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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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Status: nwv1.IngressStatus{},
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}
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//第一层for循环是将host组装成nwv1.IngressRule类型的对象
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// 一个host对应一个ingressrule，每个ingressrule中包含一个host和多个path
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for key, value := range data.Hosts {
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ir := nwv1.IngressRule{
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Host: key,
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//这里现将nwv1.HTTPIngressRuleValue类型中的Paths置为空，后面组装好数据再赋值
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IngressRuleValue: nwv1.IngressRuleValue{
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HTTP: &nwv1.HTTPIngressRuleValue{Paths: nil},
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},
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}
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//第二层for循环是将path组装成nwv1.HTTPIngressPath类型的对象
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for _, httpPath := range value {
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hip := nwv1.HTTPIngressPath{
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Path: httpPath.Path,
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PathType: &httpPath.PathType,
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Backend: nwv1.IngressBackend{
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Service: &nwv1.IngressServiceBackend{
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Name: httpPath.ServiceName,
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Port: nwv1.ServiceBackendPort{
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Number: httpPath.ServicePort,
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},
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},
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},
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}
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//将每个hip对象组装成数组
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httpIngressPATHs = append(httpIngressPATHs, hip)
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}
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//给Paths赋值，前面置为空了
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ir.IngressRuleValue.HTTP.Paths = httpIngressPATHs
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//将每个ir对象组装成数组，这个ir对象就是IngressRule，每个元素是一个host和多个path
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ingressRules = append(ingressRules, ir)
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}
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//将ingressRules对象加入到ingress的规则中
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ingress.Spec.Rules = ingressRules
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//创建ingress
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_, err = K8s.ClientSet.NetworkingV1().Ingresses(data.Namespace).Create(context.TODO(), ingress, metav1.CreateOptions{})
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if err != nil {
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logger.Error(errors.New("创建Ingress失败, " + err.Error()))
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return errors.New("创建Ingress失败, " + err.Error())
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}
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return nil
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}
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//删除ingress
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func (i *ingress) DeleteIngress(ingressName, namespace string) (err error) {
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err = K8s.ClientSet.NetworkingV1().Ingresses(namespace).Delete(context.TODO(), ingressName, metav1.DeleteOptions{})
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if err != nil {
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logger.Error(errors.New("删除Ingress失败, " + err.Error()))
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return errors.New("删除Ingress失败, " + err.Error())
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}
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return nil
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}
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//更新ingress
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func (i *ingress) UpdateIngress(namespace, content string) (err error) {
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var ingress = &nwv1.Ingress{}
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err = json.Unmarshal([]byte(content), ingress)
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if err != nil {
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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.NetworkingV1().Ingresses(namespace).Update(context.TODO(), ingress, metav1.UpdateOptions{})
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if err != nil {
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logger.Error(errors.New("更新ingress失败, " + err.Error()))
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return errors.New("更新ingress失败, " + err.Error())
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}
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return nil
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}
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func (i *ingress) toCells(std []nwv1.Ingress) []DataCell {
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cells := make([]DataCell, len(std))
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for i := range std {
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cells[i] = ingressCell(std[i])
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}
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return cells
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}
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func (i *ingress) fromCells(cells []DataCell) []nwv1.Ingress {
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ingresss := make([]nwv1.Ingress, len(cells))
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for i := range cells {
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ingresss[i] = nwv1.Ingress(cells[i].(ingressCell))
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}
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return ingresss
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}
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