Added storage provisioner

chart/templates/deployment.yaml

@@ -33,6 +33,14 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+            - name: data-volumes
+              mountPath: {{ .Values.storage.path }}
+      volumes:
+        - name: data-volumes
+          hostPath:
+            path: {{ .Values.storage.path }}
+            type: DirectoryOrCreate
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

chart/values.yaml

@@ -9,8 +9,11 @@ image:
   tag: main
 
 imagePullSecrets: []
-nameOverride: ""
-fullnameOverride: ""
+nameOverride: ''
+fullnameOverride: ''
+
+storage:
+  path: /data/volumes
 
 serviceAccount:
   # Specifies whether a service account should be created
@@ -19,7 +22,7 @@ serviceAccount:
   annotations: {}
   # The name of the service account to use.
   # If not set and create is true, a name is generated using the fullname template
-  name: ""
+  name: ''
 
 podAnnotations: {}
 
@@ -50,4 +53,4 @@ nodeSelector: {}
 
 tolerations: []
 
-affinity: {}
+affinity: {}

scripts/list-manifests.ts

@@ -0,0 +1,15 @@
+#!/usr/bin/env node
+
+import { K8sService } from '../src/services/k8s/k8s.ts';
+import { Services } from '../src/utils/service.ts';
+
+const services = new Services();
+const k8s = services.get(K8sService);
+
+const manifests = await k8s.extensionsApi.listCustomResourceDefinition();
+
+for (const manifest of manifests.items) {
+  for (const version of manifest.spec.versions) {
+    console.log(`group: ${manifest.spec.group}, plural: ${manifest.spec.names.plural}, version: ${version.name}`);
+  }
+}

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 +1,82 @@
+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';
+
+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/persistentvolumeclaims',
+      transform: (manifest) => ({
+        apiVersion: 'v1',
+        kind: 'PersistentVolumeClaim',
+        ...manifest,
+      }),
+      list: async (k8s) => {
+        const current = await k8s.api.listPersistentVolumeClaimForAllNamespaces();
+        return current;
+      },
+      verbs: ['add', 'update', 'delete'],
+    });
+    this.#watcher.on('changed', this.#handleChange);
+  }
+
+  #handleChange = async (pvc: Resource<V1PersistentVolumeClaim>) => {
+    if (pvc.metadata?.annotations?.['volume.kubernetes.io/storage-provisioner'] !== PROVISIONER) {
+      return;
+    }
+    const target = `/data/volumes/${pvc.namespace}/${pvc.name}`;
+    try {
+      await mkdir(target, { recursive: true });
+    } catch (err) {
+      console.error(err);
+    }
+    const resourceService = this.#services.get(ResourceService);
+    const pv = resourceService.get<V1PersistentVolume>({
+      apiVersion: 'v1',
+      kind: 'PersistentVolume',
+      name: `${pvc.namespace}-${pvc.name}`,
+    });
+    await pv.load();
+    await pv.patch({
+      metadata: {
+        labels: {
+          provisioner: PROVISIONER,
+        },
+      },
+      spec: {
+        hostPath: {
+          path: target,
+        },
+        capacity: {
+          storage: pvc.spec?.resources?.requests?.storage ?? '1Gi',
+        },
+        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 };