Added storage provisioner

src/index.ts

@@ -5,6 +5,7 @@ import { Services } from './utils/service.ts';
 import { CustomResourceService } from './services/custom-resources/custom-resources.ts';
 import { WatcherService } from './services/watchers/watchers.ts';
 import { customResources } from './custom-resouces/custom-resources.ts';
+import { StorageProvider } from './storage-provider/storage-provider.ts';
 
 process.on('uncaughtException', (error) => {
   console.log('UNCAUGHT EXCEPTION');
@@ -29,6 +30,8 @@ process.on('unhandledRejection', (error) => {
 
 const services = new Services();
 const watcherService = services.get(WatcherService);
+const storageProvider = services.get(StorageProvider);
+await storageProvider.start();
 await watcherService
   .create({
     path: '/apis/apiextensions.k8s.io/v1/customresourcedefinitions',

src/storage-provider/storage-provider.ts

@@ -0,0 +1,73 @@
+import { mkdir } from 'fs/promises';
+
+import { V1PersistentVolume, type V1PersistentVolumeClaim } from '@kubernetes/client-node';
+
+import { Watcher, WatcherService } from '../services/watchers/watchers.ts';
+import type { Services } from '../utils/service.ts';
+import { ResourceService, type Resource } from '../services/resources/resources.ts';
+
+const PROVISIONER = 'reuse-local-path-provisioner';
+const LABEL_SELECTOR = `provisioner=${PROVISIONER}`;
+
+class StorageProvider {
+  #watcher: Watcher<V1PersistentVolumeClaim>;
+  #services: Services;
+
+  constructor(services: Services) {
+    this.#services = services;
+    const watchService = this.#services.get(WatcherService);
+    this.#watcher = watchService.create({
+      path: '/api/v1/persistantvolumeclaims',
+      list: (k8s) =>
+        k8s.api.listPersistentVolumeClaimForAllNamespaces({
+          labelSelector: LABEL_SELECTOR,
+        }),
+      verbs: ['add', 'update', 'delete'],
+      selector: LABEL_SELECTOR,
+    });
+    this.#watcher.on('changed', this.#handleChange);
+  }
+
+  #handleChange = async (pvc: Resource<V1PersistentVolumeClaim>) => {
+    const target = `/data/volumes/${pvc.namespace}/${pvc.name}`;
+    await mkdir(target, { recursive: true });
+    const resourceService = this.#services.get(ResourceService);
+    const pv = resourceService.get<V1PersistentVolume>({
+      apiVersion: 'v1',
+      kind: 'PersistantVolume',
+      name: pvc.name,
+      namespace: pvc.namespace,
+    });
+    await pv.load();
+    await pv.patch({
+      metadata: {
+        labels: {
+          provisioner: PROVISIONER,
+        },
+      },
+      spec: {
+        hostPath: {
+          path: target,
+        },
+        capacity: {
+          storage: pvc.spec?.resources?.requests?.storage ?? '1GB',
+        },
+        persistentVolumeReclaimPolicy: 'Retain',
+        accessModes: pvc.spec?.accessModes,
+        claimRef: {
+          uid: pvc.metadata?.uid,
+          resourceVersion: pvc.metadata?.resourceVersion,
+          apiVersion: pvc.apiVersion,
+          name: pvc.name,
+          namespace: pvc.namespace,
+        },
+      },
+    });
+  };
+
+  public start = async () => {
+    await this.#watcher.start();
+  };
+}
+
+export { StorageProvider };