func (s *DockerServer) attachContainer(w http.ResponseWriter, r *http.Request) {
id := mux.Vars(r)["id"]
container, _, err := s.findContainer(id)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
hijacker, ok := w.(http.Hijacker)
if !ok {
http.Error(w, "cannot hijack connection", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/vnd.docker.raw-stream")
w.WriteHeader(http.StatusOK)
conn, _, err := hijacker.Hijack()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
outStream := stdcopy.NewStdWriter(conn, stdcopy.Stdout)
if container.State.Running {
fmt.Fprintf(outStream, "Container %q is running\n", container.ID)
} else {
fmt.Fprintf(outStream, "Container %q is not running\n", container.ID)
}
fmt.Fprintln(outStream, "What happened?")
fmt.Fprintln(outStream, "Something happened")
conn.Close()
}
func (s *DockerServer) attachContainer(w http.ResponseWriter, r *http.Request) {
id := mux.Vars(r)["id"]
container, _, err := s.findContainer(id)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
hijacker, ok := w.(http.Hijacker)
if !ok {
http.Error(w, "cannot hijack connection", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/vnd.docker.raw-stream")
w.WriteHeader(http.StatusOK)
conn, _, err := hijacker.Hijack()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
wg := sync.WaitGroup{}
if r.URL.Query().Get("stdin") == "1" {
wg.Add(1)
go func() {
ioutil.ReadAll(conn)
wg.Done()
}()
}
outStream := stdcopy.NewStdWriter(conn, stdcopy.Stdout)
if container.State.Running {
fmt.Fprintf(outStream, "Container is running\n")
} else {
fmt.Fprintf(outStream, "Container is not running\n")
}
fmt.Fprintln(outStream, "What happened?")
fmt.Fprintln(outStream, "Something happened")
wg.Wait()
if r.URL.Query().Get("stream") == "1" {
for {
time.Sleep(1e6)
s.cMut.RLock()
if !container.State.Running {
s.cMut.RUnlock()
break
}
s.cMut.RUnlock()
}
}
conn.Close()
}