Add retries for github api

tests/ci/commit_status_helper.py

@@ -1,13 +1,33 @@
 #!/usr/bin/env python3
 
+import time
 from env_helper import GITHUB_REPOSITORY
 
+RETRY = 5
+
+
+def get_commit(gh, commit_sha, retry_count=RETRY):
+    for i in range(retry_count):
+        try:
+            repo = gh.get_repo(GITHUB_REPOSITORY)
+            commit = repo.get_commit(commit_sha)
+            return commit
+        except Exception as ex:
+            if i == retry_count - 1:
+                raise ex
+            time.sleep(i)
+
+    # just suppress warning
+    return None
 
-def get_commit(gh, commit_sha):
-    repo = gh.get_repo(GITHUB_REPOSITORY)
-    commit = repo.get_commit(commit_sha)
-    return commit
 
 def post_commit_status(gh, sha, check_name, description, state, report_url):
-    commit = get_commit(gh, sha)
-    commit.create_status(context=check_name, description=description, state=state, target_url=report_url)
+    for i in range(RETRY):
+        try:
+            commit = get_commit(gh, sha, 1)
+            commit.create_status(context=check_name, description=description, state=state, target_url=report_url)
+            break
+        except Exception as ex:
+            if i == RETRY - 1:
+                raise ex
+            time.sleep(i)