/
robin.go
162 lines (132 loc) · 3.44 KB
/
robin.go
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package pv
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"strings"
"github.com/Qihoo360/wayne/src/backend/controllers/base"
"github.com/Qihoo360/wayne/src/backend/models"
"github.com/Qihoo360/wayne/src/backend/util/hack"
"github.com/astaxie/beego/httplib"
"k8s.io/api/core/v1"
)
type RobinPersistentVolumeController struct {
base.APIController
}
func (c *RobinPersistentVolumeController) URLMapping() {
c.Mapping("ListRbdImages", c.ListRbdImages)
c.Mapping("CreateRbdImage", c.CreateRbdImage)
}
func (c *RobinPersistentVolumeController) Prepare() {
// Check administration
c.APIController.Prepare()
if !c.User.Admin {
c.Ctx.Output.SetStatus(http.StatusUnauthorized)
c.Ctx.Output.Body([]byte("非管理员无法操作PV资源"))
}
}
// @Title List RBD
// @Description find rbd images by cluster
// @router /rbd.images/clusters/:cluster [get]
func (c *RobinPersistentVolumeController) ListRbdImages() {
cluster := c.Ctx.Input.Param(":cluster")
robinMetaData, err := clusterRobinMetaData(cluster)
if err != nil {
c.HandleError(err)
return
}
result, err := doRobinRequest(
httplib.Get(fmt.Sprintf(
"%s/v1/images",
robinMetaData.Url)).Param("type", "all"), robinMetaData.Token)
if err != nil {
c.HandleError(err)
return
}
c.Success(result)
}
func clusterRobinMetaData(cluster string) (*models.ClusterRobinMetaData, error) {
metaData, err := models.ClusterModel.ClusterMetaData(cluster)
if err != nil {
return nil, err
}
if metaData.Robin == nil {
return nil, errors.New("No Robin metaData configured! ")
}
if metaData.Robin.Url == "" {
return nil, errors.New("Robin url is null. ")
}
if metaData.Robin.Token == "" {
return nil, errors.New("Robin token is null. ")
}
return metaData.Robin, nil
}
// @Title Create
// @Description create rbd images
// @router /rbd.images/clusters/:cluster [post]
func (c *RobinPersistentVolumeController) CreateRbdImage() {
var pvTpl v1.PersistentVolume
err := json.Unmarshal(c.Ctx.Input.RequestBody, &pvTpl)
if err != nil {
c.AbortBadRequestFormat("PersistentVolume")
}
storage := pvTpl.Spec.Capacity[v1.ResourceStorage]
rbdImage := struct {
Name string `json:"name"`
Size int64 `json:"size"` // 单位,MB
}{
Size: storage.Value() / (1024 * 1024),
}
imageType := ""
if pvTpl.Spec.RBD != nil {
imageType = "rbd"
rbdImage.Name = pvTpl.Spec.RBD.RBDImage
} else if pvTpl.Spec.CephFS != nil {
imageType = "cephfs"
paths := strings.Split(pvTpl.Spec.CephFS.Path, "/")
rbdImage.Name = paths[len(paths)-1]
}
if imageType == "" {
c.AbortBadRequestFormat("imageType")
return
}
cluster := c.Ctx.Input.Param(":cluster")
robinMetaData, err := clusterRobinMetaData(cluster)
if err != nil {
c.HandleError(err)
return
}
body, _ := json.Marshal(&rbdImage)
result, err := doRobinRequest(
httplib.Put(fmt.Sprintf(
"%s/v1/image?type=%s",
robinMetaData.Url,
imageType)).Body(body), robinMetaData.Token)
if err != nil {
c.HandleError(err)
return
}
c.Success(result)
}
func doRobinRequest(request *httplib.BeegoHTTPRequest, token string) (interface{}, error) {
resp, err := request.Header("token", token).
DoRequest()
if err != nil {
return nil, err
}
result, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, errors.New(hack.String(result))
}
var obj interface{}
err = json.Unmarshal(result, &obj)
if err != nil {
return nil, err
}
return obj, nil
}