func postContainersCreate(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := parseForm(r); err != nil {
return nil
}
var (
out engine.Env
job = eng.Job("create", r.Form.Get("name"))
outWarnings []string
stdoutBuffer = bytes.NewBuffer(nil)
warnings = bytes.NewBuffer(nil)
)
if err := job.DecodeEnv(r.Body); err != nil {
return err
}
// Read container ID from the first line of stdout
job.Stdout.Add(stdoutBuffer)
// Read warnings from stderr
job.Stderr.Add(warnings)
if err := job.Run(); err != nil {
return err
}
// Parse warnings from stderr
scanner := bufio.NewScanner(warnings)
for scanner.Scan() {
outWarnings = append(outWarnings, scanner.Text())
}
out.Set("Id", engine.Tail(stdoutBuffer, 1))
out.SetList("Warnings", outWarnings)
return writeJSON(w, http.StatusCreated, out)
}