From 07407c2e53da44d01c43f94d31397fd5ce909e19 Mon Sep 17 00:00:00 2001
From: CI Automation <infra@dfinity.org>
Date: Fri, 25 Oct 2024 10:23:22 +0200
Subject: [PATCH] Add a runbook link to guestos label missing error message

---
 release-controller/release_notes.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/release-controller/release_notes.py b/release-controller/release_notes.py
index 003e19e8f..14c6730cb 100755
--- a/release-controller/release_notes.py
+++ b/release-controller/release_notes.py
@@ -510,7 +510,9 @@ def is_guestos_change(ic_repo: GitRepo, commit: str) -> bool:
     """Check if GuestOS changed for the commit by querying git notes populated by commit annotator."""
     changed = ic_repo.get_note(GUESTOS_CHANGED_NOTES_NAMESPACE, commit)
     if not changed:
-        raise ValueError(f"Could not find targets for commit {commit}")
+        raise ValueError(
+            f"Could not find GuestOS label for commit {commit}. Check out commit annotator logs and runbook: https://dfinity.github.io/dre/release.html#missing-guestos-label."
+        )
     changed = changed.strip()
     if changed == "True":
         return True