Handle non-2xx for metadata server responses.
diff --git a/google/google.go b/google/google.go
index b98ce81..2fcf8a6 100644
--- a/google/google.go
+++ b/google/google.go
@@ -15,6 +15,7 @@
import (
"encoding/json"
+ "fmt"
"io/ioutil"
"net/http"
"time"
@@ -114,6 +115,9 @@
return
}
defer resp.Body.Close()
+ if resp.StatusCode < 200 || resp.StatusCode > 299 {
+ return nil, fmt.Errorf("oauth2: can't retrieve a token from metadata server, status code: %d", resp.StatusCode)
+ }
var tokenResp metaTokenRespBody
err = json.NewDecoder(resp.Body).Decode(&tokenResp)
if err != nil {
