Catch bw limit errors and prevent repair loops

pkg/http/client.go

@@ -293,19 +293,22 @@ func backoffFunc(attempt int) time.Duration {
 	return time.Duration(backoff) * time.Second
 }
 
-func (r *HTTPClient) VerifyURL(url string) bool {
+func (r *HTTPClient) VerifyURL(url string) error {
 	req, err := http.NewRequest(http.MethodHead, url, nil)
 	if err != nil {
-		return false
+		return err
 	}
 	timeout := time.Duration(r.timeoutSecs) * time.Second
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
 	req = req.WithContext(ctx)
-	resp, _ := r.Do(req)
-	if resp != nil {
-		defer resp.Body.Close()
-		return resp.StatusCode == http.StatusOK
+	resp, err := r.Do(req)
+	if err != nil {
+		return err
 	}
-	return false
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("unexpected status code: %d", resp.StatusCode)
+	}
+	return nil
 }