add authentik connection crd

src/custom-resouces/authentik-client/authentik-client.resource.ts

@@ -70,7 +70,7 @@ class AuthentikClientResource extends CustomResource<typeof authentikClientSpecS
         message: 'Server secret not found',
       };
     }
-    const url = serverSecretData.data.external_url;
+    const url = serverSecretData.data.url;
     const appName = this.name;
     const clientSecretData = authentikClientSecretSchema.safeParse(decodeSecret(this.#clientSecretResource.data));
 
@@ -139,8 +139,8 @@ class AuthentikClientResource extends CustomResource<typeof authentikClientSpecS
     const authentikService = this.services.get(AuthentikService);
     const authentikServer = authentikService.get({
       url: {
-        internal: serverSecretData.data.internal_url,
+        internal: `${serverSecretData.data.name}.${serverSecret.namespace}.svc.cluster.local`,
-        external: serverSecretData.data.external_url,
+        external: serverSecretData.data.url,
       },
       token: serverSecretData.data.token,
     });

src/custom-resouces/authentik-client/authentik-client.schemas.ts

@@ -14,8 +14,8 @@ const authentikClientSpecSchema = z.object({
 });
 
 const authentikClientServerSecretSchema = z.object({
-  internal_url: z.string(),
+  name: z.string(),
-  external_url: z.string(),
+  url: z.string(),
   token: z.string(),
 });
 

src/custom-resouces/authentik-connection/authentik-connection.resource.ts

@@ -0,0 +1,93 @@
+import type { V1Secret } from '@kubernetes/client-node';
+import deepEqual from 'deep-equal';
+
+import {
+  CustomResource,
+  type CustomResourceOptions,
+} from '../../services/custom-resources/custom-resources.custom-resource.ts';
+import { ResourceService, type Resource } from '../../services/resources/resources.ts';
+import type { ValueReference } from '../../services/value-reference/value-reference.instance.ts';
+import { ValueReferenceService } from '../../services/value-reference/value-reference.ts';
+import { decodeSecret, encodeSecret } from '../../utils/secrets.ts';
+
+import type { authentikConnectionSpecSchema } from './authentik-connection.schemas.ts';
+
+class AuthentikConnectionResource extends CustomResource<typeof authentikConnectionSpecSchema> {
+  #name: ValueReference;
+  #url: ValueReference;
+  #token: ValueReference;
+  #secret: Resource<V1Secret>;
+
+  constructor(options: CustomResourceOptions<typeof authentikConnectionSpecSchema>) {
+    super(options);
+    const valueReferenceService = this.services.get(ValueReferenceService);
+    const resourceService = this.services.get(ResourceService);
+
+    this.#name = valueReferenceService.get(this.namespace);
+    this.#url = valueReferenceService.get(this.namespace);
+    this.#token = valueReferenceService.get(this.namespace);
+    this.#secret = resourceService.get({
+      apiVersion: 'v1',
+      kind: 'Secret',
+      name: `${this.name}-authentik-server`,
+      namespace: this.namespace,
+    });
+
+    this.#name.on('changed', this.queueReconcile);
+    this.#url.on('changed', this.queueReconcile);
+    this.#token.on('changed', this.queueReconcile);
+    this.#secret.on('changed', this.queueReconcile);
+  }
+
+  #updateResources = () => {
+    this.#name.ref = this.spec.name;
+    this.#url.ref = this.spec.url;
+    this.#token.ref = this.spec.token;
+  };
+
+  public reconcile = async () => {
+    this.#updateResources();
+    const name = this.#name.value;
+    const url = this.#url.value;
+    const token = this.#token.value;
+    if (!name) {
+      return await this.conditions.set('Ready', {
+        status: 'False',
+        reason: 'MissingName',
+      });
+    }
+    if (!url) {
+      return await this.conditions.set('Ready', {
+        status: 'False',
+        reason: 'MissingUrl',
+      });
+    }
+    if (!token) {
+      return await this.conditions.set('Ready', {
+        status: 'False',
+        reason: 'MissingToken',
+      });
+    }
+    const values = {
+      name,
+      url,
+      token,
+    };
+    const secretValue = decodeSecret(this.#secret.data);
+    if (!deepEqual(secretValue, values)) {
+      await this.#secret.patch({
+        data: encodeSecret(values),
+      });
+      return await this.conditions.set('Ready', {
+        status: 'False',
+        reason: 'UpdatingSecret',
+      });
+    }
+
+    return await this.conditions.set('Ready', {
+      status: 'True',
+    });
+  };
+}
+
+export { AuthentikConnectionResource };

src/custom-resouces/authentik-connection/authentik-connection.schemas.ts

@@ -0,0 +1,11 @@
+import { z } from 'zod';
+
+import { valueReferenceInfoSchema } from '../../services/value-reference/value-reference.instance.ts';
+
+const authentikConnectionSpecSchema = z.object({
+  name: valueReferenceInfoSchema,
+  url: valueReferenceInfoSchema,
+  token: valueReferenceInfoSchema,
+});
+
+export { authentikConnectionSpecSchema };

src/custom-resouces/authentik-connection/authentik-connection.ts

@@ -0,0 +1,19 @@
+import { createCustomResourceDefinition } from '../../services/custom-resources/custom-resources.ts';
+import { GROUP } from '../../utils/consts.ts';
+
+import { AuthentikConnectionResource } from './authentik-connection.resource.ts';
+import { authentikConnectionSpecSchema } from './authentik-connection.schemas.ts';
+
+const authentikConnectionDefinition = createCustomResourceDefinition({
+  group: GROUP,
+  version: 'v1',
+  kind: 'AuthentikConnection',
+  names: {
+    plural: 'authentikconnections',
+    singular: 'authentikconnection',
+  },
+  spec: authentikConnectionSpecSchema,
+  create: (options) => new AuthentikConnectionResource(options),
+});
+
+export { authentikConnectionDefinition };

src/custom-resouces/custom-resources.ts

@@ -1,7 +1,13 @@
 import { authentikClientDefinition } from './authentik-client/authentik-client.ts';
+import { authentikConnectionDefinition } from './authentik-connection/authentik-connection.ts';
 import { generateSecretDefinition } from './generate-secret/generate-secret.ts';
 import { postgresDatabaseDefinition } from './postgres-database/postgres-database.ts';
 
-const customResources = [postgresDatabaseDefinition, authentikClientDefinition, generateSecretDefinition];
+const customResources = [
+  postgresDatabaseDefinition,
+  authentikClientDefinition,
+  generateSecretDefinition,
+  authentikConnectionDefinition,
+];
 
 export { customResources };

src/services/resources/resources.instance.ts

@@ -0,0 +1,50 @@
+import type { KubernetesObject } from '@kubernetes/client-node';
+
+import { ResourceReference } from './resources.ref.ts';
+
+abstract class ResourceInstance<T extends KubernetesObject> extends ResourceReference<T> {
+  public get resource() {
+    if (!this.current) {
+      throw new Error('Instance needs a resource');
+    }
+    return this.current;
+  }
+
+  public get manifest() {
+    return this.resource.metadata;
+  }
+
+  public get apiVersion() {
+    return this.resource.apiVersion;
+  }
+
+  public get kind() {
+    return this.resource.kind;
+  }
+
+  public get name() {
+    return this.resource.name;
+  }
+
+  public get namespace() {
+    return this.resource.namespace;
+  }
+
+  public get metadata() {
+    return this.resource.metadata;
+  }
+
+  public get spec() {
+    return this.resource.spec;
+  }
+
+  public get data() {
+    return this.resource.data;
+  }
+
+  public patch = this.resource.patch;
+  public reload = this.resource.load;
+  public delete = this.resource.delete;
+}
+
+export { ResourceInstance };

src/services/value-reference/value-reference.instance.ts

@@ -0,0 +1,83 @@
+import { z } from 'zod';
+import { V1Secret } from '@kubernetes/client-node';
+import { EventEmitter } from 'eventemitter3';
+import deepEqual from 'deep-equal';
+
+import { ResourceReference, ResourceService } from '../resources/resources.ts';
+import type { Services } from '../../utils/service.ts';
+import { getWithNamespace } from '../../utils/naming.ts';
+import { decodeSecret } from '../../utils/secrets.ts';
+
+const valueReferenceInfoSchema = z.object({
+  value: z.string().optional(),
+  secretRef: z.string().optional(),
+  key: z.string().optional(),
+});
+
+type ValueReferenceInfo = z.infer<typeof valueReferenceInfoSchema>;
+
+type ValueRefOptions = {
+  services: Services;
+  namespace: string;
+};
+
+type ValueReferenceEvents = {
+  changed: () => void;
+};
+class ValueReference extends EventEmitter<ValueReferenceEvents> {
+  #options: ValueRefOptions;
+  #ref?: ValueReferenceInfo;
+  #resource: ResourceReference;
+
+  constructor(options: ValueRefOptions) {
+    super();
+    this.#options = options;
+    this.#resource = new ResourceReference<V1Secret>();
+    this.#resource.on('changed', this.#handleChange);
+  }
+
+  public get ref() {
+    return this.#ref;
+  }
+
+  public set ref(ref: ValueReferenceInfo | undefined) {
+    if (deepEqual(this.#ref, ref)) {
+      return;
+    }
+    if (ref?.secretRef && ref.key) {
+      const { services, namespace } = this.#options;
+      const resourceService = services.get(ResourceService);
+      const refNames = getWithNamespace(ref.secretRef, namespace);
+      this.#resource.current = resourceService.get({
+        apiVersion: 'v1',
+        kind: 'Secret',
+        name: refNames.name,
+        namespace: refNames.namespace,
+      });
+    } else {
+      this.#resource.current = undefined;
+    }
+    this.#ref = ref;
+  }
+
+  public get value() {
+    console.log('get', this.#ref);
+    if (!this.#ref) {
+      return undefined;
+    }
+    if (this.#ref.value) {
+      return this.#ref.value;
+    }
+    if (this.#resource.current && this.#ref.key) {
+      const decoded = decodeSecret(this.#resource.current.data);
+      return decoded?.[this.#ref.key];
+    }
+    return undefined;
+  }
+
+  #handleChange = () => {
+    this.emit('changed');
+  };
+}
+
+export { ValueReference, valueReferenceInfoSchema, type ValueReferenceInfo };

src/services/value-reference/value-reference.ts

@@ -0,0 +1,21 @@
+import type { Services } from '../../utils/service.ts';
+
+import { ValueReference } from './value-reference.instance.ts';
+
+class ValueReferenceService {
+  #services: Services;
+
+  constructor(services: Services) {
+    this.#services = services;
+  }
+
+  public get = (namespace: string) => {
+    return new ValueReference({
+      namespace,
+      services: this.#services,
+    });
+  };
+}
+
+export * from './value-reference.instance.ts';
+export { ValueReferenceService };