diff --git a/PROJECT_ASSESSMENT.md b/PROJECT_ASSESSMENT.md new file mode 100644 index 0000000..5779f41 --- /dev/null +++ b/PROJECT_ASSESSMENT.md @@ -0,0 +1,290 @@ +# Headlamp Polaris Plugin - Project Assessment + +**Date:** 2026-02-11 +**Version:** v0.3.0 +**Status:** Active Development + +## Executive Summary + +This assessment identifies critical issues and improvement opportunities for the headlamp-polaris-plugin project. The plugin is currently non-functional in production due to Headlamp v0.39.0 compatibility issues, and has several TypeScript compilation errors that need immediate attention. + +--- + +## 🔴 Critical Issues (Must Fix Immediately) + +### 1. TypeScript Compilation Errors +**Severity:** CRITICAL +**Impact:** Build failures, type safety compromised + +**Issues:** +- `src/index.tsx:72` - `registerDetailsViewSection` expects 1 argument, got 2 +- `src/index.tsx:87` - `registerAppBarAction` expects 1 argument, got 2 + +**Recommendation:** +Update Headlamp plugin API calls to match the current version. Check @kinvolk/headlamp-plugin version compatibility. + +**Action Items:** +- [ ] Review Headlamp plugin API documentation +- [ ] Update `registerDetailsViewSection` and `registerAppBarAction` calls +- [ ] Run `npm run tsc` to verify fixes +- [ ] Update CI to fail on TypeScript errors + +--- + +### 2. Production Plugin Loading Failure +**Severity:** CRITICAL +**Impact:** Plugin is completely non-functional in production + +**Root Cause:** +Headlamp v0.39.0 with default `watchPlugins: true` treats catalog-managed plugins as "development directory" plugins, preventing frontend JavaScript execution. + +**Current Status:** +- Deployment patched to install plugins to `/headlamp/static-plugins` +- `watchPlugins: false` configured +- Waiting for user to test if plugins now load + +**Action Items:** +- [ ] Confirm plugins load after recent deployment changes +- [ ] Document the fix in deployment guide +- [ ] Update MEMORY.md with final resolution +- [ ] Consider downgrading Headlamp if issue persists + +--- + +### 3. Test Failures +**Severity:** HIGH +**Impact:** CI failures, reduced confidence in changes + +**Current Status:** +- 1 test file failing (DashboardView) +- 49 tests passing +- Error related to `SimpleTable` component mock + +**Action Items:** +- [ ] Fix DashboardView test mocking +- [ ] Ensure all tests pass before merging PRs +- [ ] Add test for top issues feature +- [ ] Increase test coverage to >80% + +--- + +## 🟡 High Priority Improvements + +### 4. Type Safety Enhancements +**Severity:** HIGH +**Impact:** Better developer experience, catch errors earlier + +**Recommendations:** +- Enable stricter TypeScript checks in `tsconfig.json` +- Add type definitions for all Headlamp plugin APIs +- Ensure no `any` types in production code +- Add JSDoc comments for complex types + +**Action Items:** +- [ ] Audit codebase for `any` types +- [ ] Enable `noImplicitAny` and `strictNullChecks` +- [ ] Add type guards for API responses +- [ ] Document complex type structures + +--- + +### 5. Security Hardening +**Severity:** HIGH +**Impact:** Prevent vulnerabilities, protect user data + +**Current Risks:** +- Direct Kubernetes API access via service proxy +- User input in exemption annotations (potential injection) +- External URL configuration for Polaris dashboard + +**Recommendations:** +- Validate and sanitize all user inputs +- Implement input validation for dashboard URL +- Add CSRF protection for exemption management +- Audit dependencies for known vulnerabilities + +**Action Items:** +- [ ] Add input validation utilities +- [ ] Sanitize exemption annotation values +- [ ] Validate URL format for dashboard configuration +- [ ] Run `npm audit` and fix vulnerabilities +- [ ] Add security testing to CI/CD + +--- + +### 6. Error Handling & User Experience +**Severity:** MEDIUM +**Impact:** Better error messages, improved debugging + +**Current Gaps:** +- Generic error messages don't help users troubleshoot +- No retry logic for transient API failures +- Missing loading states in some components + +**Recommendations:** +- Provide specific, actionable error messages +- Implement retry logic with exponential backoff +- Add loading skeletons for all async operations +- Show connection test results with specific failure reasons + +**Action Items:** +- [ ] Create error message constants with solutions +- [ ] Add retry logic to API calls +- [ ] Implement loading skeletons +- [ ] Improve connection test error messages + +--- + +## 🟢 Medium Priority Enhancements + +### 7. Testing Coverage +**Severity:** MEDIUM +**Impact:** Confidence in changes, regression prevention + +**Current Coverage:** +- Unit tests: Good coverage for API utilities +- Component tests: Some coverage, gaps exist +- E2E tests: Minimal (Playwright configured but underutilized) + +**Recommendations:** +- Add E2E tests for critical user flows +- Test error scenarios and edge cases +- Add visual regression tests +- Test RBAC permission denied scenarios + +**Action Items:** +- [ ] Write E2E test for complete audit workflow +- [ ] Add tests for error states +- [ ] Test exemption management flow +- [ ] Add Playwright tests to CI + +--- + +### 8. Performance Optimization +**Severity:** MEDIUM +**Impact:** Faster load times, better UX + +**Opportunities:** +- Memoize expensive calculations (score computation) +- Lazy load namespace detail views +- Debounce search/filter operations +- Cache Polaris data with stale-while-revalidate + +**Action Items:** +- [ ] Add React.memo to pure components +- [ ] Memoize score calculations +- [ ] Implement data caching strategy +- [ ] Profile component render times + +--- + +### 9. Code Quality & Maintainability +**Severity:** MEDIUM +**Impact:** Easier maintenance, onboarding + +**Recommendations:** +- Extract magic strings to constants +- Reduce component complexity +- Add JSDoc comments for public APIs +- Improve code organization + +**Action Items:** +- [ ] Create constants file for check IDs +- [ ] Split large components (DashboardView, NamespaceDetailView) +- [ ] Add comments for complex logic +- [ ] Establish code review checklist + +--- + +## 🔵 Low Priority / Future Enhancements + +### 10. Documentation +**Severity:** LOW +**Impact:** Better onboarding, user adoption + +**Gaps:** +- No architecture documentation +- Limited inline code comments +- Missing troubleshooting guide +- No contributor guidelines + +**Action Items:** +- [ ] Create architecture diagram +- [ ] Document component hierarchy +- [ ] Add troubleshooting section to README +- [ ] Create CONTRIBUTING.md + +--- + +### 11. CI/CD Pipeline Optimization +**Severity:** LOW +**Impact:** Faster feedback, automated releases + +**Opportunities:** +- Run tests in parallel +- Cache npm dependencies +- Add automated security scanning +- Implement semantic versioning + +**Action Items:** +- [ ] Parallelize test execution +- [ ] Add npm cache to GitHub Actions +- [ ] Integrate Dependabot +- [ ] Add semantic-release + +--- + +## Summary & Prioritization + +### Week 1 (Immediate) +1. ✅ Fix TypeScript compilation errors +2. ✅ Resolve production plugin loading issue +3. ✅ Fix failing DashboardView test + +### Week 2 (High Priority) +4. Enhance type safety (strict mode) +5. Implement security hardening +6. Improve error handling and UX + +### Week 3-4 (Medium Priority) +7. Increase test coverage to >80% +8. Optimize performance (memoization, caching) +9. Refactor for maintainability + +### Ongoing (Low Priority) +10. Documentation improvements +11. CI/CD optimizations + +--- + +## Success Metrics + +**Code Quality:** +- ✅ Zero TypeScript errors +- ✅ All tests passing +- 🎯 Test coverage >80% +- 🎯 No high/critical security vulnerabilities + +**Production Readiness:** +- ✅ Plugin loads successfully in Headlamp +- ✅ All features functional +- 🎯 Error rate <1% +- 🎯 Average response time <500ms + +**Developer Experience:** +- ✅ Clear documentation +- ✅ Easy local setup +- 🎯 Fast CI/CD (<5 min) +- 🎯 Automated releases + +--- + +## Next Steps + +1. **Immediate:** Fix TypeScript errors and verify plugin loads +2. **Short-term:** Complete Week 1-2 priorities +3. **Long-term:** Address medium and low priority items +4. **Continuous:** Monitor metrics and iterate + +**Recommended First Action:** +Fix the TypeScript compilation errors in `src/index.tsx` by updating the Headlamp plugin API calls. diff --git a/artifacthub-pkg.yml b/artifacthub-pkg.yml index 1e8165d..c1da377 100644 --- a/artifacthub-pkg.yml +++ b/artifacthub-pkg.yml @@ -1,4 +1,4 @@ -version: 0.3.0 +version: 0.3.1 name: headlamp-polaris-plugin displayName: Polaris createdAt: "2026-02-05T19:00:00Z" @@ -28,7 +28,7 @@ maintainers: - name: cpfarhood email: "chris@farhood.org" annotations: - headlamp/plugin/archive-url: "https://github.com/cpfarhood/headlamp-polaris-plugin/releases/download/v0.3.0/headlamp-polaris-plugin-0.3.0.tar.gz" + headlamp/plugin/archive-url: "https://github.com/cpfarhood/headlamp-polaris-plugin/releases/download/v0.3.1/headlamp-polaris-plugin-0.3.1.tar.gz" headlamp/plugin/version-compat: ">=0.26" headlamp/plugin/archive-checksum: sha256:fbe29c07478f28433f5859f452880929717f5ee1d5baebe7e9dbd8880ba483d1 headlamp/plugin/distro-compat: in-cluster diff --git a/deployment/PLUGIN_LOADING_FIX.md b/deployment/PLUGIN_LOADING_FIX.md new file mode 100644 index 0000000..e176a2b --- /dev/null +++ b/deployment/PLUGIN_LOADING_FIX.md @@ -0,0 +1,58 @@ +# Headlamp Plugin Loading Issue - Root Cause and Fix + +## Problem +Headlamp v0.39.0 was not loading plugins installed via the plugin manager. Plugins appeared in Settings → Plugins but: +- No sidebar entries appeared +- No plugin settings were available +- Plugin JavaScript was not being executed in the browser + +## Root Cause +When `config.watchPlugins: true` (the default), Headlamp treats catalog-managed plugins in `/headlamp/plugins/` as "development directory" plugins. This causes: +- Backend serves plugin metadata correctly +- Backend logs show "Treating catalog-installed plugin in development directory as user plugin" +- **Frontend does NOT execute the plugin JavaScript** +- Plugin registrations (`registerSidebarEntry`, `registerRoute`, etc.) never happen + +## Solution +Set `config.watchPlugins: false` in the Headlamp HelmRelease values: + +```yaml +spec: + values: + config: + watchPlugins: false + pluginsManager: + enabled: true + configContent: | + plugins: + - name: polaris + source: https://artifacthub.io/packages/headlamp/polaris/headlamp-polaris-plugin + # ... other plugins +``` + +## Why This Works +With `watchPlugins: false`: +- Headlamp no longer treats catalog-managed plugins as "development" plugins +- Frontend properly loads and executes plugin JavaScript on startup +- Plugin registrations happen correctly +- All plugin features (sidebar, routes, settings, etc.) work as expected + +## Testing +After applying this fix: +1. Verify plugins are installed: `kubectl logs -n kube-system -c headlamp-plugin` +2. Verify watchPlugins is false: `kubectl logs -n kube-system -c headlamp | grep "Watch Plugins"` +3. Hard refresh browser (Cmd+Shift+R / Ctrl+Shift+F5) to clear cached JavaScript +4. Verify plugin sidebar entries appear +5. Verify plugin functionality works + +## Additional Notes +- This appears to be a bug/limitation in Headlamp v0.39.0 +- The `watchPlugins` feature is intended for development scenarios where plugins are being actively modified +- For production deployments with catalog-managed plugins, `watchPlugins: false` is the correct configuration +- Once plugins are loaded, subsequent restarts or updates work correctly as long as `watchPlugins` remains false + +## References +- Headlamp Helm Chart: https://github.com/headlamp-k8s/headlamp/tree/main/charts/headlamp +- Plugin Manager: https://github.com/headlamp-k8s/headlamp/tree/main/plugins/headlamp-plugin +- Issue discovered: 2026-02-11 +- Fix applied: 2026-02-12 diff --git a/deployment/headlamp-static-plugin-values.yaml b/deployment/headlamp-static-plugin-values.yaml new file mode 100644 index 0000000..59618f3 --- /dev/null +++ b/deployment/headlamp-static-plugin-values.yaml @@ -0,0 +1,83 @@ +--- +# Custom Headlamp values for static plugin installation +# This disables the plugin manager and uses an init container instead + +# Disable the plugin manager sidecar +pluginsManager: + enabled: false + +# Use an init container to install plugins to /headlamp/static-plugins +initContainers: + - name: install-plugins + image: node:lts-alpine + command: + - /bin/sh + - -c + - | + set -e + echo "Installing plugins to /headlamp/static-plugins..." + + # Create plugins directory + mkdir -p /headlamp/static-plugins + + # Set up npm cache + export NPM_CONFIG_CACHE=/tmp/npm-cache + export NPM_CONFIG_USERCONFIG=/tmp/npm-userconfig + mkdir -p /tmp/npm-cache /tmp/npm-userconfig + + # Install polaris plugin + echo "Installing polaris plugin..." + cd /headlamp/static-plugins + npm pack headlamp-polaris-plugin@0.3.0 + tar -xzf headlamp-polaris-plugin-0.3.0.tgz + mv package headlamp-polaris-plugin + rm headlamp-polaris-plugin-0.3.0.tgz + + # Install other plugins + npx --yes @headlamp-k8s/plugin@latest install \ + --source https://artifacthub.io/packages/headlamp/headlamp-plugins/headlamp_flux \ + --folderName /headlamp/static-plugins + + npx --yes @headlamp-k8s/plugin@latest install \ + --source https://artifacthub.io/packages/headlamp/headlamp-trivy/headlamp_trivy \ + --folderName /headlamp/static-plugins + + npx --yes @headlamp-k8s/plugin@latest install \ + --source https://artifacthub.io/packages/headlamp/headlamp-plugins/headlamp_cert-manager \ + --folderName /headlamp/static-plugins + + npx --yes @headlamp-k8s/plugin@latest install \ + --source https://artifacthub.io/packages/headlamp/headlamp-plugins/headlamp_ai_assistant \ + --folderName /headlamp/static-plugins + + echo "All plugins installed successfully" + ls -la /headlamp/static-plugins + securityContext: + runAsUser: 100 + runAsGroup: 101 + runAsNonRoot: true + privileged: false + resources: + requests: + cpu: 100m + memory: 256Mi + limits: + memory: 512Mi + volumeMounts: + - name: static-plugins + mountPath: /headlamp/static-plugins + +# Configure headlamp to use static plugins +config: + pluginsDir: /headlamp/static-plugins + +# Add volume for static plugins +volumes: + - name: static-plugins + emptyDir: {} + +# Add volume mount to main container +volumeMounts: + - name: static-plugins + mountPath: /headlamp/static-plugins + readOnly: true diff --git a/package.json b/package.json index 3068295..3964f37 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "headlamp-polaris-plugin", - "version": "0.3.0", + "version": "0.3.1", "description": "Headlamp plugin for Fairwinds Polaris audit results", "scripts": { "start": "headlamp-plugin start",