From e38be0576de6ae5a7ffbb445852c535937c7c412 Mon Sep 17 00:00:00 2001
From: Lai Jiang <jianglai@google.com>
Date: Tue, 22 Jun 2021 13:51:26 -0400
Subject: [PATCH] Fix a GCB job description (#1215)
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This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/google/nomulus/1215)
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---
 release/cloudbuild-delete.yaml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/release/cloudbuild-delete.yaml b/release/cloudbuild-delete.yaml
index 280f3e721..de6ef3976 100644
--- a/release/cloudbuild-delete.yaml
+++ b/release/cloudbuild-delete.yaml
@@ -20,9 +20,10 @@
 # them for safe pattern matching during release.
 # See https://github.com/spinnaker/spinnaker/issues/3028 for more information.
 steps:
-# Deploy the GAE config files.
-# First authorize the gcloud tool to use the credential json file, then
-# download and unzip the tarball that contains the relevant config files
+# Delete unused GAE versions.
+# GAE has a limit of ~250 versions per-project, including unused versions. We
+# therefore need to periodically delete old versions. This GCB job finds all
+# stopped versions and delete all but the last 3 (in case we need to rollback).
 - name: 'gcr.io/$PROJECT_ID/builder:latest'
   entrypoint: /bin/bash
   args: