feat: lots of stuff

src/k8s/k8s.crd.ts

@@ -0,0 +1,71 @@
+import { type KubeConfig, ApiException, ApiextensionsV1Api } from '@kubernetes/client-node';
+import { z, type ZodType } from 'zod';
+
+type CreateCrdOptions = {
+  config: KubeConfig;
+  kind: string;
+  apiVersion: string;
+  plural?: string;
+  scope: 'Cluster' | 'Namespaced';
+  spec: ZodType;
+};
+const createCrd = async (options: CreateCrdOptions) => {
+  const { config, ...definition } = options;
+  const plural = definition.plural ?? definition.kind.toLowerCase() + 's';
+  const [version, group] = definition.apiVersion.split('/').toReversed();
+  const manifest = {
+    apiVersion: 'apiextensions.k8s.io/v1',
+    kind: 'CustomResourceDefinition',
+    metadata: {
+      name: `${plural}.${group}`,
+    },
+    spec: {
+      group: group,
+      names: {
+        kind: definition.kind,
+        plural: plural,
+        singular: definition.kind.toLowerCase(),
+      },
+      scope: definition.scope,
+      versions: [
+        {
+          name: version,
+          served: true,
+          storage: true,
+          schema: {
+            openAPIV3Schema: {
+              type: 'object',
+              properties: {
+                spec: {
+                  ...z.toJSONSchema(definition.spec, { io: 'input' }),
+                  $schema: undefined,
+                  additionalProperties: undefined,
+                } as ExplicitAny,
+              },
+            },
+          },
+          subresources: {
+            status: {},
+          },
+        },
+      ],
+    },
+  };
+  const extensionsApi = config.makeApiClient(ApiextensionsV1Api);
+  try {
+    await extensionsApi.createCustomResourceDefinition({
+      body: manifest,
+    });
+  } catch (error) {
+    if (error instanceof ApiException && error.code === 409) {
+      await extensionsApi.patchCustomResourceDefinition({
+        name: manifest.metadata.name,
+        body: [{ op: 'replace', path: '/spec', value: manifest.spec }],
+      });
+    } else {
+      throw error;
+    }
+  }
+};
+
+export { createCrd };