privilegedescalation/headlamp-polaris-plugin
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refactor: replace Dockerfile.e2e with ConfigMap volume mount for E2E plugin loading

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Delete custom Docker image approach per board directive. Plugin is now
loaded into stock Headlamp via a ConfigMap volume mount:

- Delete Dockerfile.e2e
- deploy-e2e-headlamp.sh creates a ConfigMap from dist/ and mounts it
  into the stock ghcr.io/headlamp-k8s/headlamp image
- Helm values use extraVolumes/extraVolumeMounts for the ConfigMap
- No custom images, no PVCs, no kubectl exec/cp

Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
Gandalf the Greybeard
2026-03-20 01:01:28 +00:00
parent 8ac890a1c6
commit 4344d33349
5 changed files with 53 additions and 64 deletions
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e2e/README.md
+13 -12
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@@ -6,15 +6,14 @@ Playwright-based smoke tests that validate the Polaris plugin against a live Hea
E2E tests run automatically in GitHub Actions on pushes to `main` and pull requests. The workflow (`.github/workflows/e2e.yaml`):
1. Builds the plugin
2. Builds a custom Headlamp Docker image with the plugin pre-installed (`Dockerfile.e2e`)
3. Pushes the image to `ghcr.io/privilegedescalation/headlamp-polaris-e2e:<sha>`
4. Deploys a dedicated Headlamp instance in the `headlamp-e2e` namespace via Helm
5. Generates a ServiceAccount token for test auth
6. Runs Playwright tests against the E2E instance
7. Tears down the E2E instance
1. Builds the plugin (`npm run build`)
2. Creates a ConfigMap from the built `dist/` output
3. Deploys a stock Headlamp instance via Helm with the plugin mounted as a ConfigMap volume
4. Generates a ServiceAccount token for test auth
5. Runs Playwright tests against the E2E instance
6. Tears down the E2E instance
This approach avoids PVCs, kubectl exec/cp, and deployment patching. The plugin is part of the container image.
This approach uses the stock `ghcr.io/headlamp-k8s/headlamp` image with no custom Docker builds. The plugin is loaded via `HEADLAMP_PLUGINS_DIR` volume mount.
### Required GitHub Secrets
@@ -27,6 +26,8 @@ Configure these in GitHub repository settings (Settings → Secrets and variable
Token-based auth is auto-generated by the deploy script. OIDC secrets are only needed if testing against the shared Headlamp instance.
No `GHCR_TOKEN` or Docker registry secrets are needed — the stock Headlamp image is public.
## Running Locally
### Option 1: OIDC via Authentik (same as CI)
@@ -261,13 +262,13 @@ Tests run automatically in GitHub Actions on pushes to `main` and pull requests.
The E2E workflow deploys a **dedicated Headlamp instance** for each test run:
1. Build plugin and Docker image (`Dockerfile.e2e`)
2. Push image to `ghcr.io/privilegedescalation/headlamp-polaris-e2e:<sha>`
3. Deploy via Helm in the `headlamp-e2e` namespace (`scripts/deploy-e2e-headlamp.sh`)
1. Build plugin (`npm run build`)
2. Create ConfigMap from `dist/` output (`scripts/deploy-e2e-headlamp.sh`)
3. Deploy stock Headlamp via Helm with ConfigMap volume mount
4. Run Playwright tests against the E2E instance
5. Tear down (`scripts/teardown-e2e-headlamp.sh`)
No PVCs, no kubectl exec/cp, no patching of existing deployments. The plugin is baked into the Docker image.
No custom Docker images, no PVCs, no kubectl exec/cp, no patching of existing deployments. The plugin is mounted from a ConfigMap into the stock Headlamp image.
### Cluster Prerequisites