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48 changes: 48 additions & 0 deletions .github/workflows/preview-env.yml
Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,42 @@ jobs:
--services ${{ steps.tf-output.outputs.ecs_service }} \
--region ${{ env.AWS_REGION }}

- name: Smoke test preview URL
if: github.event.action != 'closed'
id: smoke-test
env:
PREVIEW_URL: ${{ steps.tf-output.outputs.preview_url }}
run: |
if [ -z "$PREVIEW_URL" ] || [ "$PREVIEW_URL" = "null" ]; then
echo "Preview URL missing"
echo "http_status=missing" >> "$GITHUB_OUTPUT"
echo "http_result=missing-url" >> "$GITHUB_OUTPUT"
exit 0
fi

# Reachability check: allow 404 (app routes might not exist yet) but fail otherwise
STATUS=$(curl --silent --output /tmp/preview.headers --write-out '%{http_code}' --head --max-time 30 "$PREVIEW_URL" || true)

if [ "$STATUS" = "404" ]; then
echo "Preview responded with expected 404"
echo "http_status=404" >> "$GITHUB_OUTPUT"
echo "http_result=allowed-404" >> "$GITHUB_OUTPUT"
exit 0
fi

if [[ "$STATUS" =~ ^[0-9]{3}$ ]] && [ "$STATUS" -ge 200 ] && [ "$STATUS" -lt 400 ]; then
echo "Preview responded with status $STATUS"
echo "http_status=$STATUS" >> "$GITHUB_OUTPUT"
echo "http_result=success" >> "$GITHUB_OUTPUT"
exit 0
fi

echo "Preview responded with unexpected status $STATUS"
cat /tmp/preview.headers
echo "http_status=$STATUS" >> "$GITHUB_OUTPUT"
echo "http_result=unexpected-status" >> "$GITHUB_OUTPUT"
exit 0

- name: Comment function name on PR
if: github.event_name == 'pull_request' && github.event.action != 'closed'
uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd
Expand All @@ -207,6 +243,17 @@ jobs:
const owner = context.repo.owner;
const repo = context.repo.repo;
const issueNumber = context.issue.number;
const smokeStatus = '${{ steps.smoke-test.outputs.http_status }}' || 'n/a';
const smokeResult = '${{ steps.smoke-test.outputs.http_result }}' || 'not-run';

const smokeLabels = {
success: '✅ Passed',
'allowed-404': '✅ Allowed 404',
'unexpected-status': '❌ Unexpected status',
'missing-url': '❌ Missing URL',
};

const smokeReadable = smokeLabels[smokeResult] ?? smokeResult;

const { data: comments } = await github.rest.issues.listComments({
owner,
Expand All @@ -231,6 +278,7 @@ jobs:
const lines = [
'**Deployment Complete**',
`- Preview URL: [${url}](${url})`,
`- Smoke Test: ${smokeReadable} (HTTP ${smokeStatus})`,
`- ECS Cluster: \`${cluster}\``,
`- ECS Service: \`${service}\``,
`- ALB Target: \`${alb}\``,
Expand Down
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