/
pod.go
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/
pod.go
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package openapi
import (
"fmt"
"net/http"
"strings"
"time"
"k8s.io/apimachinery/pkg/labels"
"github.com/Qihoo360/wayne/src/backend/client"
"github.com/Qihoo360/wayne/src/backend/client/api"
"github.com/Qihoo360/wayne/src/backend/models"
"github.com/Qihoo360/wayne/src/backend/models/response"
"github.com/Qihoo360/wayne/src/backend/resources/common"
"github.com/Qihoo360/wayne/src/backend/resources/pod"
"github.com/Qihoo360/wayne/src/backend/util/logs"
)
// An array of the pod.
// swagger:response resppodlist
type resppodlist struct {
// in: body
// Required: true
Body struct {
response.ResponseBase
Pods []response.Pod `json:"pods"`
}
}
// swagger:parameters PodInfoParam
type PodInfoParam struct {
// in: query
// Pod Label Key,只允许填写一个
// Required: true
LabelSelector string `json:"labelSelector"`
// Required: true
Cluster string `json:"cluster"`
}
// swagger:parameters PodInfoFromIPParam
type PodInfoFromIPParam struct {
// in: query
// Pod IP 列表,使用逗号分隔
// Required: true
IPS string `json:"ips"`
ips map[string]bool
// Required: true
Cluster string `json:"cluster"`
}
// swagger:parameters PodListParam
type PodListParam struct {
// Wayne 的 namespace 名称,必须与 Name 同时存在或者不存在
// in: query
// Required: false
Namespace string `json:"namespace"`
// 资源名称,必须与 Namespace 同时存在或者不存在
// in: query
// Required: false
Name string `json:"name"`
// 资源类型:daemonsets,deployments,cronjobs,statefulsets
// in: query
// Required: true
Type api.ResourceName `json:"type"`
}
// An array of the pod.
// swagger:response respPodInfoList
type respPodInfoList struct {
// in: body
// Required: true
Body struct {
response.ResponseBase
RespListInfo []*respListInfo `json:"list"`
}
}
type respListInfo struct {
Cluster string `json:"cluster,omitempty"`
ResourceName string `json:"resourceName,omitempty"`
// Wayne namespace 名称
Namespace string `json:"namespace,omitempty"`
Pods []respPodInfo `json:"pods"`
}
type respPodInfo struct {
Name string `json:"name,omitempty"`
Namespace string `json:"namespace,omitempty"`
NodeName string `json:"nodeName,omitempty"`
PodIp string `json:"podIp,omitempty"`
State string `json:"state,omitempty"`
StartTime time.Time `json:"startTime,omitempty"`
}
// swagger:route GET /get_pod_info pod PodInfoParam
//
// 用于获取线上所有 pod 中包含请求条件中 labelSelector 指定的特定 label 的 pod
//
// 返回 每个 pod 的 pod IP 和 所有 label 列表。
// 需要绑定全局 apikey 使用。该接口的权限控制为只能使用全局 apikey 的原因是查询条件为 labelSelector ,是对所有 app 的 条件过滤。
//
// Responses:
// 200: resppodlist
// 401: responseState
// 500: responseState
// @router /get_pod_info [get]
func (c *OpenAPIController) GetPodInfo() {
if !c.CheckoutRoutePermission(GetPodInfoAction) {
return
}
if c.APIKey.Type != models.GlobalAPIKey {
c.AddErrorAndResponse("You can only use global APIKey in this action!", http.StatusUnauthorized)
return
}
podList := resppodlist{}
podList.Body.Code = http.StatusOK
params := PodInfoParam{c.GetString("labelSelector"), c.GetString("cluster")}
if params.Cluster == "" {
c.AddErrorAndResponse("Invalid cluster parameter:must required!", http.StatusBadRequest)
return
}
manager, err := client.Manager(params.Cluster)
if err != nil {
c.AddErrorAndResponse("Invalid cluster parameter:not exist!", http.StatusBadRequest)
return
}
pods, err := pod.ListPodByLabelKey(manager.CacheFactory, "", params.LabelSelector)
if err != nil {
logs.Error(fmt.Sprintf("Failed to parse metadata: %s", err.Error()))
c.AddErrorAndResponse(fmt.Sprintf("Maybe a problematic k8s cluster(%s)!", params.Cluster), http.StatusInternalServerError)
return
}
for _, p := range pods {
podList.Body.Pods = append(podList.Body.Pods, response.Pod{Labels: p.Labels, PodIp: p.PodIp})
}
c.HandleResponse(podList.Body)
}
// swagger:route GET /get_pod_info_from_ip pod PodInfoFromIPParam
//
// 用于通过线上 kubernetes Pod IP 反查对应 Pod 信息的接口
//
// 返回 每个 pod 的 pod IP 和 所有 label 列表。
// 需要绑定全局 apikey 使用。该接口的权限控制为只能使用全局 apikey 的原因是查询条件为 IP ,是对所有 app 的 条件过滤。
//
// Responses:
// 200: resppodlist
// 401: responseState
// 500: responseState
// @router /get_pod_info_from_ip [get]
func (c *OpenAPIController) GetPodInfoFromIP() {
if !c.CheckoutRoutePermission(GetPodInfoFromIPAction) {
return
}
if c.APIKey.Type != models.GlobalAPIKey {
c.AddErrorAndResponse("You can only use global APIKey in this action!", http.StatusUnauthorized)
return
}
params := PodInfoFromIPParam{IPS: c.GetString("ips"), Cluster: c.GetString("cluster")}
if params.Cluster == "" {
c.AddErrorAndResponse("Invalid cluster parameter:must required!", http.StatusBadRequest)
return
}
params.ips = make(map[string]bool)
for _, ip := range strings.Split(params.IPS, ",") {
params.ips[ip] = true
}
manager, err := client.Manager(params.Cluster)
if err != nil {
c.AddErrorAndResponse("Invalid cluster parameter:not exist!", http.StatusBadRequest)
return
}
pods, err := pod.ListKubePod(manager.CacheFactory, "", nil)
if err != nil {
logs.Error(fmt.Sprintf("Failed to parse metadata: %s", err.Error()))
c.AddErrorAndResponse(fmt.Sprintf("Maybe a problematic k8s cluster(%s)!", params.Cluster), http.StatusInternalServerError)
return
}
podList := resppodlist{}
podList.Body.Code = http.StatusOK
for _, p := range pods {
if params.ips[p.Status.PodIP] {
podList.Body.Pods = append(podList.Body.Pods, response.Pod{Labels: p.Labels, PodIp: p.Status.PodIP})
}
}
c.HandleResponse(podList.Body)
}
// swagger:route GET /get_pod_list pod PodListParam
//
// 用于根据资源类型获取所有机房Pod列表
//
// 返回 Pod 信息
// 需要绑定全局 apikey 使用。
//
// Responses:
// 200: respPodInfoList
// 401: responseState
// 500: responseState
// @router /get_pod_list [get]
func (c *OpenAPIController) GetPodList() {
if !c.CheckoutRoutePermission(GetPodListAction) {
return
}
if c.APIKey.Type != models.GlobalAPIKey {
c.AddErrorAndResponse("You can only use global APIKey in this action!", http.StatusUnauthorized)
return
}
podList := respPodInfoList{}
podList.Body.Code = http.StatusOK
params := PodListParam{c.GetString("namespace"), c.GetString("name"), c.GetString("type")}
if params.Type == "" {
c.AddErrorAndResponse("Invalid type parameter:must required!", http.StatusBadRequest)
return
}
if (params.Name == "" && params.Namespace != "") || (params.Name != "" && params.Namespace == "") {
c.AddErrorAndResponse("Namespace and Name must exist or not exist at the same time!", http.StatusBadRequest)
return
}
var ns *models.Namespace
var err error
if params.Namespace != "" {
ns, err = models.NamespaceModel.GetByName(params.Namespace)
if err != nil {
c.AddErrorAndResponse(fmt.Sprintf("Get Namespace by name (%s) error!%v", params.Namespace, err), http.StatusBadRequest)
return
}
}
managers := client.Managers()
managers.Range(func(key, value interface{}) bool {
manager := value.(*client.ClusterManager)
// if Name and Namespace empty,return all pods
if params.Name == "" && params.Namespace == "" {
objs, err := manager.KubeClient.List(params.Type, "", labels.Everything().String())
if err != nil {
c.AddError(fmt.Sprintf("List all resource error.cluster:%s,type:%s, %v",
manager.Cluster.Name, params.Type, err))
return true
}
for _, obj := range objs {
commonObj, err := common.ToBaseObject(obj)
if err != nil {
c.AddError(fmt.Sprintf("ToBaseObject error.cluster:%s,type:%s, %v",
manager.Cluster.Name, params.Type, err))
return true
}
podListResp, err := buildPodListResp(manager, params.Namespace, commonObj.Namespace, commonObj.Name, params.Type)
if err != nil {
c.AddError(fmt.Sprintf("buildPodListResp error.cluster:%s,type:%s, %v",
manager.Cluster.Name, params.Type, err))
return true
}
if len(podListResp.Pods) > 0 {
podList.Body.RespListInfo = append(podList.Body.RespListInfo, podListResp)
}
}
return true
}
podListResp, err := buildPodListResp(manager, params.Namespace, ns.KubeNamespace, params.Name, params.Type)
if err != nil {
c.AddError(fmt.Sprintf("buildPodListResp error.cluster:%s,type:%s,namespace:%s,name:%s %v",
manager.Cluster.Name, ns.KubeNamespace, params.Name, params.Type, err))
return true
}
if len(podListResp.Pods) > 0 {
podList.Body.RespListInfo = append(podList.Body.RespListInfo, podListResp)
}
return true
})
c.HandleResponse(podList.Body)
}
func buildPodListResp(manager *client.ClusterManager, namespace, kubeNamespace, resourceName string, resourceType api.ResourceName) (*respListInfo, error) {
pods, err := pod.GetPodListByType(manager.KubeClient, kubeNamespace, resourceName, resourceType)
if err != nil {
return nil, err
}
listInfo := &respListInfo{
Cluster: manager.Cluster.Name,
ResourceName: resourceName,
Namespace: namespace,
}
for _, kubePod := range pods {
listInfo.Pods = append(listInfo.Pods, respPodInfo{
Name: kubePod.Name,
Namespace: kubePod.Namespace,
NodeName: kubePod.Spec.NodeName,
PodIp: kubePod.Status.PodIP,
State: pod.GetPodStatus(kubePod),
StartTime: kubePod.CreationTimestamp.Time,
})
}
return listInfo, nil
}