From 97d7cc440b560180f8f7c69d248f08fb58a9c310 Mon Sep 17 00:00:00 2001
From: Vladimir Brik <22751545+vbrik@users.noreply.github.com>
Date: Mon, 22 Jan 2024 14:55:51 -0600
Subject: [PATCH] utils.py retry_execute: except HTTP 500 and 503

---
 actions/util.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/actions/util.py b/actions/util.py
index 962faef..6e82b89 100644
--- a/actions/util.py
+++ b/actions/util.py
@@ -79,9 +79,11 @@ def retry_execute(request, max_attempts=8):
             continue
         except HttpError as e:
             exception_history.append(e)
-            if e.status_code in (400, 412):
+            if e.status_code in (400, 412, 500, 503):
                 # Both 400 (bad request) and 412 (precondition failed) could be caused
-                # by a prerequisite resource not being ready, so retrying makes sense.
+                # by a prerequisite resource not being ready.
+                # 503 (service unavailable) could be transient
+                # 500 (internal error) could be transients
                 continue
             else:
                 raise RetryError(sleep_time_history, exception_history)