// LoadFromFile reads an IAM Config from a file (JSON format) on the local filesystem.
func LoadFromFile(filename string) (config Config, err error) {
var f *os.File
if f, err = os.Open(filename); err != nil {
err = fmt.Errorf("failed to load IAM config from file %q: %+v", filename, err)
return
}
defer errorutil.Ignore(f.Close)
dec := json.NewDecoder(f)
if err = dec.Decode(&config); err != nil {
err = fmt.Errorf("invalid IAM JSON: %+v", err)
return
}
if _, err = url.Parse(config.LoginEndpoint); err != nil {
err = fmt.Errorf("invalid LoginEndpoint URL: %+v", err)
}
return
}
// Loads state.json from mesos master
func (rg *RecordGenerator) loadFromMaster(ip string, port string) (state.State, error) {
// REFACTOR: state.json security
var sj state.State
u := url.URL{
Scheme: "http",
Host: net.JoinHostPort(ip, port),
Path: "/master/state.json",
}
req, err := http.NewRequest("GET", u.String(), nil)
if err != nil {
logging.Error.Println(err)
return state.State{}, err
}
req.Header.Set("Content-Type", "application/json")
resp, err := rg.httpClient.Do(req)
if err != nil {
logging.Error.Println(err)
return state.State{}, err
}
defer errorutil.Ignore(resp.Body.Close)
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
logging.Error.Println(err)
return state.State{}, err
}
err = json.Unmarshal(body, &sj)
if err != nil {
logging.Error.Println(err)
return state.State{}, err
}
return sj, nil
}
func readCACertFile(caCertFile string) (caPool *x509.CertPool, err error) {
var f *os.File
if f, err = os.Open(caCertFile); err != nil {
err = fmt.Errorf("CACertFile open failed: %v", err)
return
}
defer errorutil.Ignore(f.Close)
var b []byte
if b, err = ioutil.ReadAll(f); err != nil {
err = fmt.Errorf("CACertFile read failed: %v", err)
return
}
pool := x509.NewCertPool()
if !pool.AppendCertsFromPEM(b) {
err = fmt.Errorf("CACertFile parsing failed: %v", err)
} else {
caPool = pool
}
return
}