mirror of https://github.com/k3s-io/k3s
94 lines
2.4 KiB
Go
94 lines
2.4 KiB
Go
/*
|
|
Copyright 2014 Google Inc. All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package kubelet
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
|
|
"gopkg.in/v1/yaml"
|
|
)
|
|
|
|
type KubeletServer struct {
|
|
Kubelet kubeletInterface
|
|
UpdateChannel chan api.ContainerManifest
|
|
}
|
|
|
|
// kubeletInterface contains all the kubelet methods required by the server.
|
|
// For testablitiy.
|
|
type kubeletInterface interface {
|
|
GetContainerID(name string) (string, bool, error)
|
|
GetContainerInfo(name string) (string, error)
|
|
}
|
|
|
|
func (s *KubeletServer) error(w http.ResponseWriter, err error) {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
fmt.Fprintf(w, "Internal Error: %#v", err)
|
|
}
|
|
|
|
func (s *KubeletServer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
|
u, err := url.ParseRequestURI(req.RequestURI)
|
|
if err != nil {
|
|
s.error(w, err)
|
|
return
|
|
}
|
|
switch {
|
|
case u.Path == "/container":
|
|
defer req.Body.Close()
|
|
data, err := ioutil.ReadAll(req.Body)
|
|
if err != nil {
|
|
s.error(w, err)
|
|
return
|
|
}
|
|
var manifest api.ContainerManifest
|
|
err = yaml.Unmarshal(data, &manifest)
|
|
if err != nil {
|
|
s.error(w, err)
|
|
return
|
|
}
|
|
s.UpdateChannel <- manifest
|
|
case u.Path == "/containerInfo":
|
|
container := u.Query().Get("container")
|
|
if len(container) == 0 {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
fmt.Fprint(w, "Missing container query arg.")
|
|
return
|
|
}
|
|
id, found, err := s.Kubelet.GetContainerID(container)
|
|
if !found {
|
|
w.WriteHeader(http.StatusOK)
|
|
fmt.Fprint(w, "{}")
|
|
return
|
|
}
|
|
body, err := s.Kubelet.GetContainerInfo(id)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
fmt.Fprintf(w, "Internal Error: %#v", err)
|
|
return
|
|
}
|
|
w.Header().Add("Content-type", "application/json")
|
|
w.WriteHeader(http.StatusOK)
|
|
fmt.Fprint(w, body)
|
|
default:
|
|
w.WriteHeader(http.StatusNotFound)
|
|
fmt.Fprint(w, "Not found.")
|
|
}
|
|
}
|