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-rw-r--r--zuul/driver/github/githubconnection.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/zuul/driver/github/githubconnection.py b/zuul/driver/github/githubconnection.py
index 182c83bae..b5a7800c0 100644
--- a/zuul/driver/github/githubconnection.py
+++ b/zuul/driver/github/githubconnection.py
@@ -81,6 +81,10 @@ ANNOTATION_LEVELS = {
"warning": "warning",
"error": "failure",
}
+# The maximum size for the 'message' field is 64 KB. Since it's unclear
+# from the Github docs if the unit is KiB or KB we'll use KB to be on
+# the safe side.
+ANNOTATION_MAX_MESSAGE_SIZE = 64 * 1000
EventTuple = collections.namedtuple(
"EventTuple", [
@@ -2428,7 +2432,9 @@ class GithubConnection(ZKChangeCacheMixin, ZKBranchCacheMixin, BaseConnection):
raw_annotation = {
"path": fn,
"annotation_level": annotation_level,
- "message": comment["message"],
+ "message": comment["message"].encode(
+ "utf8")[:ANNOTATION_MAX_MESSAGE_SIZE].decode(
+ "utf8", "ignore"),
"start_line": start_line,
"end_line": end_line,
"start_column": start_column,