From 32777ade3a3810b5fa2249609c4903485669d740 Mon Sep 17 00:00:00 2001
From: charlie4284 <yangsoo.yoon@canonical.com>
Date: Thu, 11 Dec 2025 11:58:54 +0900
Subject: [PATCH 1/3] ci: only trigger e2e test on pr comment

---
 .github/workflows/e2e_test.yaml | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/e2e_test.yaml b/.github/workflows/e2e_test.yaml
index 2a0ac5a2a..477c4c46b 100644
--- a/.github/workflows/e2e_test.yaml
+++ b/.github/workflows/e2e_test.yaml
@@ -1,17 +1,32 @@
 name: End-to-End tests
 
 on:
-  pull_request:
+  issue_comment:
+    types: [created]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
+  check_comment:
+    name: Check comment trigger
+    runs-on: ubuntu-latest
+    if: github.event.issue.pull_request && contains(github.event.comment.body, 'ci: run e2e')
+    outputs:
+      triggered: ${{ steps.check.outputs.triggered }}
+    steps:
+      - name: Check comment
+        id: check
+        run: |
+          echo "triggered=true" >> $GITHUB_OUTPUT
+
   # test option values defined at test/conftest.py are passed on via repository secret
   # INTEGRATION_TEST_ARGS to operator-workflows automatically.
   openstack-integration-end-to-end-test:
     name: end-to-end test using private-endpoint
+    needs: check_comment
+    if: needs.check_comment.outputs.triggered == 'true'
     uses: canonical/operator-workflows/.github/workflows/integration_test.yaml@main
     secrets: inherit
     with:

From d07d384991a8f24b6412b58a66f116f29b6063c9 Mon Sep 17 00:00:00 2001
From: charlie4284 <yangsoo.yoon@canonical.com>
Date: Thu, 11 Dec 2025 13:20:49 +0900
Subject: [PATCH 2/3] ci: fix syntax (double quote to allow colon)

---
 .github/workflows/e2e_test.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/e2e_test.yaml b/.github/workflows/e2e_test.yaml
index 477c4c46b..140762ea9 100644
--- a/.github/workflows/e2e_test.yaml
+++ b/.github/workflows/e2e_test.yaml
@@ -12,7 +12,7 @@ jobs:
   check_comment:
     name: Check comment trigger
     runs-on: ubuntu-latest
-    if: github.event.issue.pull_request && contains(github.event.comment.body, 'ci: run e2e')
+    if: "${{ github.event.issue.pull_request && contains(github.event.comment.body, 'ci: run e2e') }}"
     outputs:
       triggered: ${{ steps.check.outputs.triggered }}
     steps:

From 110c6958b1b0e5379addfc14bbca5bed4a110958 Mon Sep 17 00:00:00 2001
From: charlie4284 <yangsoo.yoon@canonical.com>
Date: Thu, 11 Dec 2025 13:23:22 +0900
Subject: [PATCH 3/3] docs: contributing guide to trigger ci

---
 CONTRIBUTING.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index eef030a23..e3cab86f7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,6 +55,8 @@ environment variable settings under [repository](https://github.com/canonical/gi
 > settings > variables > actions.
 This is to prevent GitHub from leaking secrets when passing them over the CLI calls (unresolved).
 
+To trigger E2E tests (required status check), you can comment "ci: run e2e" on the Pull Request itself. This is to prevent resource intensive CI runs on every PR.
+
 ### Building the charm
 
 Build the charm in this git repository using: