Files
headlamp-rook-plugin/CLAUDE.md
T
DevContainer User 62c24e3857 fix: register AppBarClusterBadge, fix CSI label mismatch, improve accessibility and theme support
- Register AppBarClusterBadge via registerAppBarAction (was dead code)
- Add Rook 1.12+ CSI pod labels to CephPodDetailSection alongside legacy labels
- Add sidebar entries for Storage Classes and Volumes pages
- Add role="dialog", aria-modal, aria-labelledby, and Escape key to all detail drawers
- Replace hardcoded hex colors with CSS custom properties for dark/light theme compat
- Remove duplicate parseStorageToBytes from OverviewPage (import from k8s.ts)
- Add endpoints field to CephObjectStoreStatus interface (remove unsafe cast)
- Use ROOK_CEPH_API_GROUP/VERSION constants in API URL construction
- Hoist extractJsonData to module level
- Remove dead extractPoolFromVolumeHandle function
- Fix redundant storageClasses.length guard in OverviewPage
- Fix lint indent warnings
- Update CLAUDE.md and CHANGELOG.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 12:55:37 +00:00

105 lines
4.6 KiB
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# CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
## Project
Headlamp plugin for Rook-Ceph cluster visibility.
- **Plugin name**: `rook`
- **Rook-Ceph API group**: `ceph.rook.io/v1`
- **Default namespace**: `rook-ceph`
- **Reference plugin**: `../headlamp-tns-csi-plugin`
## Commands
```bash
npm start # dev server with hot reload
npm run build # production build
npm run package # package for headlamp
npm run tsc # TypeScript type check (no emit)
npm run lint # ESLint
npm run lint:fix # ESLint with auto-fix
npm run format # Prettier write
npm run format:check # Prettier check
npm test # vitest run (all tests)
npm run test:watch # vitest watch mode
npx vitest run src/api/k8s.test.ts # run a single test file
```
All tests and `tsc` must pass before committing.
## Architecture
```
src/
├── index.tsx # Plugin entry: registerRoute, registerSidebarEntry, registerAppBarAction, etc.
├── api/
│ ├── k8s.ts # Types + filtering helpers (ceph.rook.io)
│ └── RookCephDataContext.tsx # Shared React context provider
└── components/
├── OverviewPage.tsx
├── BlockPoolsPage.tsx
├── StorageClassesPage.tsx
├── VolumesPage.tsx
├── PodsPage.tsx
├── FilesystemsPage.tsx
├── ObjectStoresPage.tsx
├── ClusterStatusCard.tsx
├── AppBarClusterBadge.tsx # Cluster health badge in Headlamp top nav bar
├── PVCDetailSection.tsx # Injected into Headlamp PVC detail view
├── PVDetailSection.tsx # Injected into Headlamp PV detail view
├── CephPodDetailSection.tsx # Injected into Headlamp Pod detail view
└── integrations/
└── StorageClassColumns.tsx # Column processors for SC + PV tables
```
## Data flow
`RookCephDataContext.tsx` uses **two fetching strategies**:
1. **Headlamp hooks** (`K8s.ResourceClasses.*.useList()`) — for StorageClasses, PVs, PVCs. These return Headlamp `KubeObject` class instances whose raw JSON is stored under `.jsonData`. The `extractJsonData()` helper in the context provider unwraps them to plain objects before passing to the type-guard filters in `k8s.ts`.
2. **`ApiProxy.request()`** — for Rook CRDs (`cephclusters`, `cephblockpools`, `cephfilesystems`, `cephobjectstores`) and daemon pods, since these aren't in Headlamp's built-in resource classes. Fetched in a single `useEffect` keyed on `refreshKey`.
All pages consume data exclusively via `useRookCephContext()`. The provider is re-wrapped per route and per detail-section registration in `index.tsx`.
## Key constants (src/api/k8s.ts)
- Namespace: `rook-ceph`
- API group: `ceph.rook.io/v1`
- RBD provisioner: `rook-ceph.rbd.csi.ceph.com`
- CephFS provisioner: `rook-ceph.cephfs.csi.ceph.com`
- Custom namespace provisioners: any string ending in `.rbd.csi.ceph.com` or `.cephfs.csi.ceph.com`
- Pod selectors: `app=rook-ceph-operator`, `app=rook-ceph-mon`, `app=rook-ceph-osd`, `app=rook-ceph-mgr`, `app=rook-ceph-mds`, `app=rook-ceph-rgw`
- CSI pod selectors (Rook 1.12+): `app=rook-ceph.rbd.csi.ceph.com-ctrlplugin`, `app=rook-ceph.cephfs.csi.ceph.com-ctrlplugin`
- CSI pod selectors (legacy): `app=csi-rbdplugin-provisioner`, `app=csi-cephfsplugin-provisioner`, `app=csi-rbdplugin`, `app=csi-cephfsplugin`
## Code conventions
- Functional React components only — no class components
- All imports from `@kinvolk/headlamp-plugin/lib` and `@kinvolk/headlamp-plugin/lib/CommonComponents`
- No additional UI libraries (no MUI direct imports, no Ant Design, etc.)
- TypeScript strict mode — no `any`, use `unknown` + type guards at API boundaries
- Context provider (`RookCephDataProvider`) wraps each route component in `index.tsx`
- Tests: vitest + @testing-library/react, mock with `vi.mock('@kinvolk/headlamp-plugin/lib', ...)`
- `vitest.setup.ts` provides a spec-compliant `localStorage` shim for Node 22+ compatibility
## Testing
Mock pattern for headlamp APIs:
```typescript
vi.mock('@kinvolk/headlamp-plugin/lib', () => ({
ApiProxy: { request: vi.fn().mockResolvedValue({ items: [] }) },
K8s: {
ResourceClasses: {
StorageClass: { useList: vi.fn(() => [[], null]) },
PersistentVolume: { useList: vi.fn(() => [[], null]) },
PersistentVolumeClaim: { useList: vi.fn(() => [[], null]) },
},
},
}));
```
The mock import must appear **before** the module under test is imported (see `RookCephDataContext.test.tsx`).