ci: fix Makefile test (#10)

Reviewed-on: #10
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.dockerignore

@@ -0,0 +1,7 @@
+*
+
+!pkg
+!controller.go
+!main.go
+!go.mod
+!go.sum

.gitea/actions/go-cache-key/action.yaml

@@ -0,0 +1,16 @@
+name: Go Cache Key
+description: Create a cache key for Go dependencies
+
+outputs:
+  hash:
+    description: The cache key for Go dependencies
+    value: ${{ steps.hash-go.outputs.hash }}
+
+runs:
+  using: composite
+  steps:
+    - name: Create cache key
+      shell: bash
+      id: hash-go
+      run: |
+        echo "hash=$(sha256sum go.mod go.sum | sha256sum | cut -d' ' -f1)" >> "$GITHUB_OUTPUT"

.gitea/workflows/cd.yaml

@@ -0,0 +1,104 @@
+name: CD
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "go.mod"
+      - "go.sum"
+      - "**/*.go"
+      - "Dockerfile"
+      - "Makefile"
+  workflow_dispatch:
+
+env:
+  DOCKER_REGISTRY: gitea.t000-n.de
+
+jobs:
+  build_and_push:
+    name: Build and push
+    strategy:
+      matrix:
+        arch: [amd64]
+    runs-on:
+      - ubuntu-latest
+      - linux_${{ matrix.arch }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+      - name: Login to Registry
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - name: Get Metadata
+        id: meta
+        run: |
+          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
+          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
+      - name: Build and push
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/${{ matrix.arch }}
+          push: true
+          provenance: false
+          build-args: GOARCH=${{ matrix.arch }}
+          tags: |
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-${{ matrix.arch }}
+
+  create_tag:
+    name: Create tag
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.tag.outputs.new-tag }}
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+      - uses: https://gitea.t000-n.de/t.behrendt/conventional-semantic-git-tag-increment@ef0c23189db33220a73022d8c29a27709d0df440 # 0.1.32
+        id: tag
+        with:
+          token: ${{ secrets.GITEA_TOKEN }}
+          prerelease: ${{ github.event_name == 'workflow_dispatch' }}
+      - run: |
+          git tag ${{ steps.tag.outputs.new-tag }}
+          git push origin ${{ steps.tag.outputs.new-tag }}
+      - name: Set output
+        run: |
+          echo "tag=${{ steps.tag.outputs.new-tag }}" >> $GITHUB_OUTPUT
+
+  create_manifest:
+    name: Create manifest
+    needs:
+      - build_and_push
+      - create_tag
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Get Metadata
+        id: meta
+        run: |
+          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
+          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
+
+      - name: Login to Registry
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Create manifest
+        run: |
+          docker manifest create ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }} \
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-amd64
+
+          docker manifest push ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }}

.gitea/workflows/ci.yaml

@@ -8,30 +8,44 @@ env:
   RUNNER_TOOL_CACHE: /toolcache
 
 jobs:
+  install-dependencies:
+    uses: ./.gitea/workflows/install-go-dependencies.yaml
+
+  build-check:
+    name: build check
+    needs: install-dependencies
+    uses: ./.gitea/workflows/run-go-script.yaml
+    with:
+      script: build
+
+  check-format:
+    name: check format
+    needs: install-dependencies
+    uses: ./.gitea/workflows/run-go-script.yaml
+    with:
+      script: check-format
+
+  check-lint:
+    name: check lint
+    needs: install-dependencies
+    uses: ./.gitea/workflows/run-go-script.yaml
+    with:
+      script: lint
+
   test:
     name: test
+    needs: install-dependencies
+    uses: ./.gitea/workflows/run-go-script.yaml
+    with:
+      script: test
+
+  image-check:
+    name: image check
     runs-on:
       - ubuntu-latest
+      - linux_amd64
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - name: Setup go
+      - name: Build image
-        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6
+        run: make build-image
-        with:
-          go-version-file: go.mod
-          check-latest: true
-      - name: Create cache key
-        id: hash-go
-        run: echo "hash=$(sha256sum go.mod go.sum | sha256sum | cut -d' ' -f1)" >> "$GITHUB_OUTPUT"
-      - name: cache go
-        id: cache-go
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
-        with:
-          path: |
-            /go_path
-            /go_cache
-          key: go_path-${{ steps.hash-go.outputs.hash }}
-          restore-keys: |-
-            go_cache-${{ steps.hash-go.outputs.hash }}
-      - name: build
-        run: make build

.gitea/workflows/install-go-dependencies.yaml

@@ -0,0 +1,33 @@
+name: Install Go Dependencies
+
+on:
+  workflow_call:
+
+jobs:
+  install-dependencies:
+    runs-on:
+      - ubuntu-latest
+      - linux_amd64
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Setup go
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Create cache key
+        id: go-cache-key
+        uses: ./.gitea/actions/go-cache-key
+      - name: cache go
+        id: cache-go
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: |
+            /go_path
+            /go_cache
+          key: go_path-${{ steps.go-cache-key.outputs.hash }}
+          restore-keys: |-
+            go_cache-${{ steps.go-cache-key.outputs.hash }}
+      - name: Download dependencies
+        run: go mod download

.gitea/workflows/run-go-script.yaml

@@ -0,0 +1,38 @@
+name: Run Go Script
+
+on:
+  workflow_call:
+    inputs:
+      script:
+        description: The script to run
+        required: true
+        type: string
+
+jobs:
+  run-script:
+    runs-on:
+      - ubuntu-latest
+      - linux_amd64
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Setup go
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Create cache key
+        id: go-cache-key
+        uses: ./.gitea/actions/go-cache-key
+      - name: Install dependencies from Cache
+        id: cache-go
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: |
+            /go_path
+            /go_cache
+          key: go_path-${{ steps.go-cache-key.outputs.hash }}
+          restore-keys: |-
+            go_cache-${{ steps.go-cache-key.outputs.hash }}
+      - name: Run script
+        run: make ${{ inputs.script }}

.gitignore

@@ -14,6 +14,7 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+lcov.info
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
@@ -25,3 +26,9 @@ go.work.sum
 # env file
 .env
 
+# vendor directory
+vendor/
+
+# build artifacts
+main
+__debug_bin*

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "code-generator"]
+	path = code-generator
+	url = https://github.com/kubernetes/code-generator.git

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch Package",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${fileDirname}",
+      "args": ["--kubeconfig=/home/tbehrendt/.kube/config"],
+      "envFile": ".env"
+    }
+  ]
+}

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.25-alpine@sha256:04d017a27c481185c169884328a5761d052910fdced8c3b8edd686474efdf59b AS build
+FROM docker.io/library/golang:1.26.3@sha256:313faae491b410a35402c05d35e7518ae99103d957308e940e1ae2cfa0aac29b AS build
 
 ARG GOARCH=amd64
 
@@ -9,6 +9,6 @@ COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} \
     go build -trimpath -ldflags="-s -w" -o main .
 
-FROM gcr.io/distroless/static-debian12@sha256:20bc6c0bc4d625a22a8fde3e55f6515709b32055ef8fb9cfbddaa06d1760f838
+FROM gcr.io/distroless/static-debian12@sha256:9c346e4be81b5ca7ff31a0d89eaeade58b0f95cfd3baed1f36083ddb47ca3160
 COPY --from=build /app/main /
 CMD ["/main"]

Makefile

@@ -1,6 +1,40 @@
+ifneq (,$(wildcard ./.env))
+    include .env
+    export
+endif
+.PHONY: build run codegen build-image test test-unit test-coverage lint format check-format
+
 build:
-	go build
+	go build -o main
+
+build-image:
+	docker build -t authentik-kubernetes-operator:latest .
 
 run:
 	make build
-	./main
+	./main --kubeconfig=/home/tbehrendt/.kube/config
+
+codegen:
+	./scripts/codegen.sh
+
+test: test-unit test-coverage
+
+test-unit:
+	go test ./... -coverprofile=coverage.out
+
+test-coverage:
+	go tool gcov2lcov -infile coverage.out > lcov.info
+
+lint:
+	go vet ./...
+
+format:
+	gofmt -w .
+
+check-format:
+	@OUTPUT=$$(gofmt -l .); \
+	if [ -n "$$OUTPUT" ]; then \
+		echo "Formatter failed for:"; \
+		echo "$$OUTPUT"; \
+		exit 1; \
+	fi

README.md

@@ -2,4 +2,56 @@
 
 Authentik Kubernetes Operator allows to manage Authentik resources directly in Kubernetes using Custom Kubernetes Resources.
 
-## Features
+The custom resources of this operator ultimately will mirror the Authentik resources. New resources will be added as there is a need for them.
+
+Manual changes to the resources in Authentik will be overwritten by the operator. So always manage the resources in Kubernetes.
+
+## Custom Resources
+
+| Custom Resource | CRD File                                                   | Short Name |
+| --------------- | ---------------------------------------------------------- | ---------- |
+| ProxyProvider   | [`proxyProvider.yaml`](`artifacts/crd/proxyProvider.yaml`) | pp         |
+
+### ProxyProvider
+
+Currently only the "Forward Single" ProxyProvider is supported and only a reduced set of fields are exposed by the custom resources.
+
+Example [`proxyProvider.yaml`](`artifacts/examples/proxyProvider.yaml`):
+
+```yaml
+apiVersion: proxyprovider.t000-n.de/v1alpha1
+kind: ProxyProvider
+metadata:
+  name: proxy-provider-example
+  namespace: kube-system
+spec:
+  name: proxy-provider-example
+  # The ID of the authorization flow. In this example: "default-provider-authorization-implicit-consent (Authorize Application)"
+  authorization_flow: 16896c6d-b326-42d1-8d3f-93f32921962e
+  # The ID of the invalidation flow. In this example: "default-provider-invalidation-flow (Logged out of application)"
+  invalidation_flow: 7acac1ef-19e3-4a6f-8d8d-14ca7031d184
+  # The external host of your application.
+  external_host: https://example.t00n.de
+```
+
+The ProxyProvider will be created in Authentik, but will not be assigned to an outpost or an application (Resources are TBD).
+
+## Versioning
+
+As soon as the operator covers an entire use case, the version will be raised to v1 and follow default versioning rules. Before that, the version will be v1alpha1.
+
+## Development
+
+### Guidelines & Tips
+
+- Only do a single reconciliation at a time and then return.
+  - This is because your references from the k8s API get stale after each update.
+  - Whenever you update a resource, k8s API will send a new event to your controller, which will trigger a new reconciliation.
+- The API will periodically send a resource to the controller for re-syncing, giving the controller a chance to reconcile the state with the outside world.
+- Use finalizers to ensure that the controller gets a chance to reconcile the state with the outside world before the object is deleted. If no finalizer is present, the object is deleted immediately without the controller seeing it.
+- Use the resource's state to keep track of the current state of the outside world, e.g. identifiers of external resources, etc.
+
+### References
+
+- [Extend Kubernetes](https://kubernetes.io/docs/concepts/extend-kubernetes/#api-extensions)
+- [Example Controller Implementation](https://github.com/kubernetes/sample-controller)

artifacts/crd/proxyProvider.yaml

@@ -0,0 +1,51 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: proxyproviders.proxyprovider.t000-n.de
+  finalizers:
+    - proxyprovider.t000-n.de/delete-authentik-proxyprovider
+spec:
+  group: proxyprovider.t000-n.de
+  versions:
+    - name: v1alpha1
+      served: true
+      storage: true
+      subresources:
+        status: {}
+      additionalPrinterColumns:
+        - name: PK
+          type: string
+          jsonPath: .status.pk
+      schema:
+        openAPIV3Schema:
+          type: object
+          properties:
+            spec:
+              type: object
+              properties:
+                name:
+                  type: string
+                authorization_flow:
+                  type: string
+                invalidation_flow:
+                  type: string
+                external_host:
+                  type: string
+              required:
+                - name
+                - authorization_flow
+                - invalidation_flow
+                - external_host
+            status:
+              type: object
+              properties:
+                pk:
+                  type: string
+              required:
+                - pk
+  names:
+    kind: ProxyProvider
+    plural: proxyproviders
+    shortNames:
+      - pp
+  scope: Namespaced

artifacts/examples/proxyProvider.yaml

@@ -0,0 +1,11 @@
+# Example ProxyProvider CRD
+apiVersion: proxyprovider.t000-n.de/v1alpha1
+kind: ProxyProvider
+metadata:
+  name: proxy-provider-example
+  namespace: kube-system
+spec:
+  name: proxy-provider-example
+  authorization_flow: 16896c6d-b326-42d1-8d3f-93f32921962e
+  invalidation_flow: 7acac1ef-19e3-4a6f-8d8d-14ca7031d184
+  external_host: https://example.t00n.de

controller.go

@@ -0,0 +1,296 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"slices"
+	"strconv"
+	"time"
+
+	"golang.org/x/time/rate"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/scheme"
+	typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
+	"k8s.io/client-go/tools/cache"
+	"k8s.io/client-go/tools/record"
+	"k8s.io/client-go/util/workqueue"
+	"k8s.io/klog/v2"
+
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	operatorscheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	informers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/proxyprovider/v1alpha1"
+	listers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/listers/proxyprovider/v1alpha1"
+	authentikapi "goauthentik.io/api/v3"
+)
+
+const controllerAgentName = "proxy-provider-controller"
+
+const (
+	SuccessSynced         = "Synced"
+	ErrResourceExists     = "ErrResourceExists"
+	MessageResourceExists = "Resource %q already exists and is not managed by ProxyProvider"
+	MessageResourceSynced = "ProxyProvider synced successfully"
+	FieldManager          = controllerAgentName
+)
+
+// Finalizers
+const (
+	DeleteAuthentikProxyProviderFinalizer = "proxyprovider.t000-n.de/delete-authentik-proxyprovider"
+)
+
+type Controller struct {
+	kubeclientset          kubernetes.Interface
+	proxyProviderClientset clientset.Interface
+	authentik              *authentikapi.APIClient
+
+	proxyLister listers.ProxyProviderLister
+	proxySynced cache.InformerSynced
+
+	workqueue workqueue.TypedRateLimitingInterface[cache.ObjectName]
+	recorder  record.EventRecorder
+}
+
+func NewController(
+	ctx context.Context,
+	kubeclientset kubernetes.Interface,
+	proxyProviderClientset clientset.Interface,
+	authentik *authentikapi.APIClient,
+	proxyInformer informers.ProxyProviderInformer,
+) *Controller {
+	logger := klog.FromContext(ctx)
+
+	utilruntime.Must(operatorscheme.AddToScheme(scheme.Scheme))
+	logger.V(4).Info("Creating event broadcaster")
+
+	eventBroadcaster := record.NewBroadcaster(record.WithContext(ctx))
+	eventBroadcaster.StartStructuredLogging(0)
+	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
+	recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerAgentName})
+	ratelimiter := workqueue.NewTypedMaxOfRateLimiter(
+		workqueue.NewTypedItemExponentialFailureRateLimiter[cache.ObjectName](5*time.Millisecond, 1000*time.Second),
+		&workqueue.TypedBucketRateLimiter[cache.ObjectName]{Limiter: rate.NewLimiter(rate.Limit(50), 300)},
+	)
+
+	c := &Controller{
+		kubeclientset:          kubeclientset,
+		proxyProviderClientset: proxyProviderClientset,
+		authentik:              authentik,
+		proxyLister:            proxyInformer.Lister(),
+		proxySynced:            proxyInformer.Informer().HasSynced,
+		workqueue:              workqueue.NewTypedRateLimitingQueue(ratelimiter),
+		recorder:               recorder,
+	}
+
+	logger.Info("Setting up event handlers")
+	proxyInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
+		AddFunc: c.enqueueProxyProvider,
+		UpdateFunc: func(_, newObj interface{}) {
+			c.enqueueProxyProvider(newObj)
+		},
+	})
+
+	return c
+}
+
+func (c *Controller) Run(ctx context.Context, workers int) error {
+	defer utilruntime.HandleCrash()
+	defer c.workqueue.ShutDown()
+	logger := klog.FromContext(ctx)
+
+	logger.Info("Starting ProxyProvider controller")
+
+	logger.Info("Waiting for informer caches to sync")
+	if ok := cache.WaitForCacheSync(ctx.Done(), c.proxySynced); !ok {
+		return fmt.Errorf("failed to wait for caches to sync")
+	}
+
+	logger.Info("Starting workers", "count", workers)
+	for i := 0; i < workers; i++ {
+		go wait.UntilWithContext(ctx, c.runWorker, time.Second)
+	}
+
+	logger.Info("Started workers")
+	<-ctx.Done()
+	logger.Info("Shutting down workers")
+	return nil
+}
+
+func (c *Controller) runWorker(ctx context.Context) {
+	for c.processNextWorkItem(ctx) {
+	}
+}
+
+func (c *Controller) processNextWorkItem(ctx context.Context) bool {
+	objRef, shutdown := c.workqueue.Get()
+	logger := klog.FromContext(ctx)
+	if shutdown {
+		return false
+	}
+	defer c.workqueue.Done(objRef)
+
+	err := c.syncHandler(ctx, objRef)
+	if err == nil {
+		c.workqueue.Forget(objRef)
+		logger.Info("Successfully synced", "objectName", objRef)
+		return true
+	}
+	utilruntime.HandleErrorWithContext(ctx, err, "Error syncing; requeuing for later retry", "objectReference", objRef)
+	c.workqueue.AddRateLimited(objRef)
+	return true
+}
+
+func (c *Controller) syncHandler(ctx context.Context, objectRef cache.ObjectName) error {
+	logger := klog.LoggerWithValues(klog.FromContext(ctx), "objectRef", objectRef)
+
+	pp, err := c.proxyLister.ProxyProviders(objectRef.Namespace).Get(objectRef.Name)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			logger.V(4).Info("ProxyProvider no longer exists")
+			return nil
+		}
+		return err
+	}
+	logger.V(4).Info("sync ProxyProvider", "name", pp.Name)
+
+	if !pp.ObjectMeta.DeletionTimestamp.IsZero() {
+		logger.Info("Reconciling deletion of ProxyProvider", "name", pp.Name)
+		return c.reconcileDelete(ctx, pp)
+	}
+
+	if pp.Status.PK == "" {
+		logger.Info("Reconciling creation of ProxyProvider", "name", pp.Name)
+		return c.reconcileCreate(ctx, pp)
+	}
+
+	// Check if all finalizers are present. If not, we add them. Same pattern as above, just needs a helper function to check for presence of a finalizer.
+	if !slices.Contains(pp.ObjectMeta.Finalizers, DeleteAuthentikProxyProviderFinalizer) {
+		logger.Info("Ensuring finalizers are present", "name", pp.Name)
+		return c.ensureFinalizers(ctx, pp)
+	}
+
+	logger.Info("Reconciling update of ProxyProvider", "name", pp.Name)
+	return c.reconcileUpdate(ctx, pp)
+}
+
+func (c *Controller) ensureFinalizers(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	pp.ObjectMeta.Finalizers = append(pp.ObjectMeta.Finalizers, DeleteAuthentikProxyProviderFinalizer)
+	return c.updateProxyProvider(ctx, pp)
+}
+
+func (c *Controller) reconcileDelete(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	pk, err := strconv.ParseInt(pp.Status.PK, 10, 32)
+	if err != nil {
+		return fmt.Errorf("error parsing PK: %v", err)
+	}
+
+	r, err := c.authentik.ProvidersApi.ProvidersProxyDestroy(ctx, int32(pk)).Execute()
+	if err != nil {
+		// This handles an edge-case, where when the ProxyProvider on Authentik has already been deleted, but the finalizer is still present. We just remove the finalizer and return.
+		if r != nil && r.StatusCode != http.StatusNotFound {
+			return fmt.Errorf("error when calling `ProvidersAPI.ProvidersProxyDestroy`: %w with response %v", err, r)
+		}
+	}
+
+	pp.ObjectMeta.Finalizers = slices.Delete(pp.ObjectMeta.Finalizers, slices.Index(pp.ObjectMeta.Finalizers, DeleteAuthentikProxyProviderFinalizer), 1)
+	return c.updateProxyProvider(ctx, pp)
+}
+
+func (c *Controller) reconcileUpdate(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	// We retrieve the existing PP from the API by slug.
+	pk, err := strconv.ParseInt(pp.Status.PK, 10, 32)
+	if err != nil {
+		return fmt.Errorf("error parsing PK: %v", err)
+	}
+	_, r, err := c.authentik.ProvidersApi.ProvidersAllRetrieve(ctx, int32(pk)).Execute()
+	if err != nil {
+		if r != nil && r.StatusCode == http.StatusNotFound {
+			// This handles an edge-case, where when the PorxyProvider on Authentik has been deleted, e.g. by mistake. We just remove the PK and return.
+			// During the next reconciliation, the ProxyProvider will be re-created.
+			pp.Status.PK = ""
+			return c.updateProxyProviderStatus(ctx, pp)
+		}
+		return fmt.Errorf("error retrieving existing ProxyProvider: %v with response %v", err, r)
+	}
+
+	proxyProviderRequest := &authentikapi.PatchedProxyProviderRequest{
+		Name:              &pp.Spec.Name,
+		AuthorizationFlow: &pp.Spec.AuthorizationFlow,
+		InvalidationFlow:  &pp.Spec.InvalidationFlow,
+		ExternalHost:      &pp.Spec.ExternalHost,
+		Mode:              authentikapi.PROXYMODE_FORWARD_SINGLE.Ptr(),
+	}
+	resp, r, err := c.authentik.ProvidersApi.ProvidersProxyPartialUpdate(ctx, int32(pk)).PatchedProxyProviderRequest(*proxyProviderRequest).Execute()
+	if err != nil {
+		return fmt.Errorf("error when calling `ProvidersAPI.ProvidersProxyPartialUpdate`: %w with response %v", err, r)
+	}
+
+	pp.Status.PK = strconv.Itoa(int(resp.Pk))
+
+	return c.updateProxyProviderStatus(ctx, pp)
+}
+
+func (c *Controller) reconcileCreate(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	proxyProviderRequest := &authentikapi.ProxyProviderRequest{
+		Name:              pp.Spec.Name,
+		AuthorizationFlow: pp.Spec.AuthorizationFlow,
+		InvalidationFlow:  pp.Spec.InvalidationFlow,
+		ExternalHost:      pp.Spec.ExternalHost,
+		Mode:              authentikapi.PROXYMODE_FORWARD_SINGLE.Ptr(),
+	}
+	resp, r, err := c.authentik.ProvidersApi.ProvidersProxyCreate(ctx).ProxyProviderRequest(*proxyProviderRequest).Execute()
+	if err != nil {
+		return fmt.Errorf("error when calling `ProvidersAPI.ProvidersProxyCreate`: %w with response %v", err, r)
+	}
+
+	pp.Status.PK = strconv.Itoa(int(resp.Pk))
+	return c.updateProxyProviderStatus(ctx, pp)
+}
+
+func (c *Controller) enqueueProxyProvider(obj interface{}) {
+	objectRef, err := cache.ObjectToName(obj)
+	if err != nil {
+		utilruntime.HandleError(err)
+		return
+	}
+	c.workqueue.Add(objectRef)
+}
+
+func (c *Controller) updateProxyProviderStatus(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	ppCopy := pp.DeepCopy()
+	_, err := c.proxyProviderClientset.ProxyproviderV1alpha1().ProxyProviders(ppCopy.Namespace).UpdateStatus(ctx, ppCopy, metav1.UpdateOptions{FieldManager: FieldManager})
+	return err
+}
+
+// Update metadata, spec, etc. of the ProxyProvider object.
+func (c *Controller) updateProxyProvider(ctx context.Context, pp *v1alpha1.ProxyProvider) error {
+	ppCopy := pp.DeepCopy()
+	_, err := c.proxyProviderClientset.ProxyproviderV1alpha1().ProxyProviders(ppCopy.Namespace).Update(ctx, ppCopy, metav1.UpdateOptions{FieldManager: FieldManager})
+	if err != nil {
+		return fmt.Errorf("error updating ProxyProvider metadata: %v", err)
+	}
+	return nil
+}

controller_test.go

@@ -0,0 +1,385 @@
+// AI generated tests and not yet reviewed.
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"slices"
+	"strings"
+	"testing"
+
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	operatorfake "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/fake"
+	operatorinformers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions"
+	authentikapi "goauthentik.io/api/v3"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/tools/cache"
+)
+
+func TestController_syncHandler_create(t *testing.T) {
+	const wantPK = 42
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		proxyCreate: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusCreated, map[string]any{"pk": wantPK})
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, testProxyProvider(), server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: "default", Name: "test-pp"})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getProxyProvider(t, ctrl, "default", "test-pp")
+	if got.Status.PK != "42" {
+		t.Fatalf("status.pk = %q, want 42", got.Status.PK)
+	}
+}
+
+func TestController_syncHandler_ensureFinalizers(t *testing.T) {
+	pp := testProxyProvider()
+	pp.Status.PK = "42"
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getProxyProvider(t, ctrl, pp.Namespace, pp.Name)
+	if !slices.Contains(got.Finalizers, DeleteAuthentikProxyProviderFinalizer) {
+		t.Fatalf("finalizers = %v, want %q", got.Finalizers, DeleteAuthentikProxyProviderFinalizer)
+	}
+}
+
+func TestController_syncHandler_update(t *testing.T) {
+	pp := testProxyProvider()
+	pp.Status.PK = "42"
+	pp.Finalizers = []string{DeleteAuthentikProxyProviderFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		allRetrieve: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusOK, map[string]any{"pk": 42})
+		},
+		proxyPartialUpdate: func(w http.ResponseWriter, _ *http.Request) {
+			writeJSON(t, w, http.StatusOK, map[string]any{"pk": 42})
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getProxyProvider(t, ctrl, pp.Namespace, pp.Name)
+	if got.Status.PK != "42" {
+		t.Fatalf("status.pk = %q, want 42", got.Status.PK)
+	}
+}
+
+func TestController_syncHandler_update_providerNotFound(t *testing.T) {
+	pp := testProxyProvider()
+	pp.Status.PK = "42"
+	pp.Finalizers = []string{DeleteAuthentikProxyProviderFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		allRetrieve: func(w http.ResponseWriter, _ *http.Request) {
+			http.NotFound(w, nil)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getProxyProvider(t, ctrl, pp.Namespace, pp.Name)
+	if got.Status.PK != "" {
+		t.Fatalf("status.pk = %q, want empty after provider not found", got.Status.PK)
+	}
+}
+
+func TestController_syncHandler_delete(t *testing.T) {
+	now := metav1.Now()
+	pp := testProxyProvider()
+	pp.Status.PK = "42"
+	pp.DeletionTimestamp = &now
+	pp.Finalizers = []string{DeleteAuthentikProxyProviderFinalizer}
+
+	var destroyCalled bool
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		proxyDestroy: func(w http.ResponseWriter, r *http.Request) {
+			destroyCalled = true
+			if r.Method != http.MethodDelete {
+				t.Errorf("destroy method = %s, want DELETE", r.Method)
+			}
+			w.WriteHeader(http.StatusNoContent)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+	if !destroyCalled {
+		t.Fatal("expected Authentik destroy call")
+	}
+
+	got := getProxyProvider(t, ctrl, pp.Namespace, pp.Name)
+	if slices.Contains(got.Finalizers, DeleteAuthentikProxyProviderFinalizer) {
+		t.Fatalf("finalizers = %v, want finalizer removed", got.Finalizers)
+	}
+}
+
+func TestController_syncHandler_delete_providerAlreadyGone(t *testing.T) {
+	now := metav1.Now()
+	pp := testProxyProvider()
+	pp.Status.PK = "42"
+	pp.DeletionTimestamp = &now
+	pp.Finalizers = []string{DeleteAuthentikProxyProviderFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{
+		proxyDestroy: func(w http.ResponseWriter, _ *http.Request) {
+			http.NotFound(w, nil)
+		},
+	})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v", err)
+	}
+
+	got := getProxyProvider(t, ctrl, pp.Namespace, pp.Name)
+	if slices.Contains(got.Finalizers, DeleteAuthentikProxyProviderFinalizer) {
+		t.Fatalf("finalizers = %v, want finalizer removed after 404", got.Finalizers)
+	}
+}
+
+func TestController_syncHandler_notFound(t *testing.T) {
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, nil, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: "default", Name: "missing"})
+	if err != nil {
+		t.Fatalf("syncHandler() error = %v, want nil for missing object", err)
+	}
+}
+
+func TestController_syncHandler_invalidPK(t *testing.T) {
+	pp := testProxyProvider()
+	pp.Status.PK = "not-a-number"
+	pp.Finalizers = []string{DeleteAuthentikProxyProviderFinalizer}
+
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, ctx, cancel := newTestController(t, pp, server.URL)
+	t.Cleanup(cancel)
+
+	err := ctrl.syncHandler(ctx, cache.ObjectName{Namespace: pp.Namespace, Name: pp.Name})
+	if err == nil {
+		t.Fatal("syncHandler() error = nil, want parse error")
+	}
+	if !strings.Contains(err.Error(), "error parsing PK") {
+		t.Fatalf("syncHandler() error = %v, want PK parse error", err)
+	}
+}
+
+func TestController_enqueueProxyProvider(t *testing.T) {
+	server := newAuthentikTestServer(t, authentikTestHandlers{})
+	t.Cleanup(server.Close)
+
+	ctrl, _, cancel := newTestController(t, testProxyProvider(), server.URL)
+	t.Cleanup(cancel)
+
+	ctrl.enqueueProxyProvider(testProxyProvider())
+
+	if ctrl.workqueue.Len() != 1 {
+		t.Fatalf("workqueue length = %d, want 1", ctrl.workqueue.Len())
+	}
+}
+
+// --- test helpers ---
+
+func testProxyProvider() *v1alpha1.ProxyProvider {
+	return &v1alpha1.ProxyProvider{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: v1alpha1.SchemeGroupVersion.String(),
+			Kind:       "ProxyProvider",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "test-pp",
+			Namespace: "default",
+		},
+		Spec: v1alpha1.ProxyProviderSpec{
+			Name:              "my-app",
+			AuthorizationFlow: "flow-auth",
+			InvalidationFlow:  "flow-invalidate",
+			ExternalHost:      "https://app.example.com",
+		},
+	}
+}
+
+func newTestController(t *testing.T, pp *v1alpha1.ProxyProvider, authentikURL string) (*Controller, context.Context, context.CancelFunc) {
+	t.Helper()
+	ctx, cancel := context.WithCancel(context.Background())
+	ctrl, _, stop := newTestControllerWithContext(t, ctx, pp, authentikURL)
+	return ctrl, ctx, func() {
+		cancel()
+		stop()
+	}
+}
+
+func newTestControllerWithContext(t *testing.T, ctx context.Context, pp *v1alpha1.ProxyProvider, authentikURL string) (*Controller, context.Context, func()) {
+	t.Helper()
+
+	authentikClient := newAuthentikAPIClientForTest(t, authentikURL)
+
+	var objects []runtime.Object
+	if pp != nil {
+		objects = append(objects, pp)
+	}
+	proxyClient := operatorfake.NewSimpleClientset(objects...)
+
+	informerFactory := operatorinformers.NewSharedInformerFactory(proxyClient, 0)
+	proxyInformer := informerFactory.Proxyprovider().V1alpha1().ProxyProviders()
+
+	ctrl := NewController(ctx, fake.NewClientset(), proxyClient, authentikClient, proxyInformer)
+
+	informerFactory.Start(ctx.Done())
+	for informerType, synced := range informerFactory.WaitForCacheSync(ctx.Done()) {
+		if !synced {
+			t.Fatalf("informer %v failed to sync", informerType)
+		}
+	}
+
+	return ctrl, ctx, func() {}
+}
+
+func newAuthentikAPIClientForTest(t *testing.T, serverURL string) *authentikapi.APIClient {
+	t.Helper()
+
+	u, err := url.Parse(serverURL)
+	if err != nil {
+		t.Fatalf("parse server URL: %v", err)
+	}
+
+	cfg := authentikapi.NewConfiguration()
+	cfg.Scheme = u.Scheme
+	cfg.Host = u.Host
+
+	return authentikapi.NewAPIClient(cfg)
+}
+
+type authentikTestHandlers struct {
+	proxyCreate        http.HandlerFunc
+	proxyDestroy       http.HandlerFunc
+	proxyPartialUpdate http.HandlerFunc
+	allRetrieve        http.HandlerFunc
+}
+
+func newAuthentikTestServer(t *testing.T, handlers authentikTestHandlers) *httptest.Server {
+	t.Helper()
+
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		path := r.URL.Path
+
+		switch {
+		case path == "/api/v3/providers/proxy/" && r.Method == http.MethodPost:
+			if handlers.proxyCreate != nil {
+				handlers.proxyCreate(w, r)
+				return
+			}
+			http.NotFound(w, r)
+
+		case strings.HasPrefix(path, "/api/v3/providers/proxy/") && strings.HasSuffix(path, "/"):
+			idPath := strings.TrimPrefix(path, "/api/v3/providers/proxy/")
+			if idPath == "" {
+				http.NotFound(w, r)
+				return
+			}
+			switch r.Method {
+			case http.MethodDelete:
+				if handlers.proxyDestroy != nil {
+					handlers.proxyDestroy(w, r)
+					return
+				}
+				http.NotFound(w, r)
+			case http.MethodPatch:
+				if handlers.proxyPartialUpdate != nil {
+					handlers.proxyPartialUpdate(w, r)
+					return
+				}
+				http.NotFound(w, r)
+			default:
+				http.Error(w, "unexpected method on proxy instance", http.StatusMethodNotAllowed)
+			}
+
+		case strings.HasPrefix(path, "/api/v3/providers/all/") && strings.HasSuffix(path, "/"):
+			if r.Method == http.MethodGet && handlers.allRetrieve != nil {
+				handlers.allRetrieve(w, r)
+				return
+			}
+			http.NotFound(w, r)
+
+		default:
+			http.NotFound(w, r)
+		}
+	})
+
+	return httptest.NewServer(handler)
+}
+
+func writeJSON(t *testing.T, w http.ResponseWriter, status int, body any) {
+	t.Helper()
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	if err := json.NewEncoder(w).Encode(body); err != nil {
+		t.Fatalf("write JSON response: %v", err)
+	}
+}
+
+func getProxyProvider(t *testing.T, ctrl *Controller, namespace, name string) *v1alpha1.ProxyProvider {
+	t.Helper()
+
+	got, err := ctrl.proxyProviderClientset.ProxyproviderV1alpha1().ProxyProviders(namespace).Get(
+		context.Background(), name, metav1.GetOptions{},
+	)
+	if err != nil {
+		t.Fatalf("get ProxyProvider: %v", err)
+	}
+	return got
+}

go.mod

@@ -1,3 +1,65 @@
 module gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator
 
 go 1.26.3
+
+godebug default=go1.26
+
+require (
+	goauthentik.io/api/v3 v3.2026020.16
+	golang.org/x/time v0.15.0
+	k8s.io/api v0.36.0
+	k8s.io/apimachinery v0.36.0
+	k8s.io/client-go v0.36.0
+	k8s.io/klog/v2 v2.140.0
+	k8s.io/kube-openapi v0.0.0-20260511211612-da4e56fe5676
+	sigs.k8s.io/structured-merge-diff/v6 v6.4.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.1 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-openapi/jsonpointer v0.22.4 // indirect
+	github.com/go-openapi/jsonreference v0.21.4 // indirect
+	github.com/go-openapi/swag v0.25.4 // indirect
+	github.com/go-openapi/swag/cmdutils v0.25.4 // indirect
+	github.com/go-openapi/swag/conv v0.25.4 // indirect
+	github.com/go-openapi/swag/fileutils v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
+	github.com/go-openapi/swag/loading v0.25.4 // indirect
+	github.com/go-openapi/swag/mangling v0.25.4 // indirect
+	github.com/go-openapi/swag/netutils v0.25.4 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.4 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.4 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
+	github.com/google/gnostic-models v0.7.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/jandelgado/gcov2lcov v1.1.1 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	go.yaml.in/yaml/v2 v2.4.4 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/net v0.53.0 // indirect
+	golang.org/x/oauth2 v0.36.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
+	golang.org/x/term v0.42.0 // indirect
+	golang.org/x/text v0.36.0 // indirect
+	google.golang.org/protobuf v1.36.12-0.20260120151049-f2248ac996af // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/randfill v1.0.0 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
+)
+
+replace k8s.io/code-generator => ./code-generator
+
+tool github.com/jandelgado/gcov2lcov

go.sum

@@ -0,0 +1,147 @@
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+k8s.io/apimachinery v0.36.0/go.mod h1:FklypaRJt6n5wUIwWXIP6GJlIpUizTgfo1T/As+Tyxc=
+k8s.io/client-go v0.0.0-20260509205101-ca52b81a2940 h1:n5t5Jx3VpLdiAGxIvIHsZDmsExtZVwghUPLM3wFi6Go=
+k8s.io/client-go v0.0.0-20260509205101-ca52b81a2940/go.mod h1:0e7OLwg7kdXISVFwn7ishFdvxfVgi7wsqHqsQPHl61w=
+k8s.io/client-go v0.36.0 h1:pOYi7C4RHChYjMiHpZSpSbIM6ZxVbRXBy7CuiIwqA3c=
+k8s.io/client-go v0.36.0/go.mod h1:ZKKcpwF0aLYfkHFCjillCKaTK/yBkEDHTDXCFY6AS9Y=
+k8s.io/klog/v2 v2.140.0 h1:Tf+J3AH7xnUzZyVVXhTgGhEKnFqye14aadWv7bzXdzc=
+k8s.io/klog/v2 v2.140.0/go.mod h1:o+/RWfJ6PwpnFn7OyAG3QnO47BFsymfEfrz6XyYSSp0=
+k8s.io/kube-openapi v0.0.0-20260511211612-da4e56fe5676 h1:ahjrVu/DBcaAhw/GcblfaOvvQ2wi8kqXWvn62nud3UU=
+k8s.io/kube-openapi v0.0.0-20260511211612-da4e56fe5676/go.mod h1:V/QaCUYDa+0QpcHhVVc5l99Uz56wEMEXBSj9oCDkNDY=
+k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 h1:AZYQSJemyQB5eRxqcPky+/7EdBj0xi3g0ZcxxJ7vbWU=
+k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2/go.mod h1:xDxuJ0whA3d0I4mf/C4ppKHxXynQ+fxnkmQH0vTHnuk=
+sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 h1:IpInykpT6ceI+QxKBbEflcR5EXP7sU1kvOlxwZh5txg=
+sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
+sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=
+sigs.k8s.io/randfill v1.0.0/go.mod h1:XeLlZ/jmk4i1HRopwe7/aU3H5n1zNUcX6TM94b3QxOY=
+sigs.k8s.io/structured-merge-diff/v6 v6.4.0 h1:qmp2e3ZfFi1/jJbDGpD4mt3wyp6PE1NfKHCYLqgNQJo=
+sigs.k8s.io/structured-merge-diff/v6 v6.4.0/go.mod h1:M3W8sfWvn2HhQDIbGWj3S099YozAsymCo/wrT5ohRUE=
+sigs.k8s.io/yaml v1.6.0 h1:G8fkbMSAFqgEFgh4b1wmtzDnioxFCUgTZhlbj5P9QYs=
+sigs.k8s.io/yaml v1.6.0/go.mod h1:796bPqUfzR/0jLAl6XjHl3Ck7MiyVv8dbTdyT3/pMf4=

hack/api-violations/codegen_violation_exceptions.list

@@ -0,0 +1,18 @@
+API rule violation: names_match,gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1,ProxyProviderSpec,AuthorizationFlow
+API rule violation: names_match,gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1,ProxyProviderSpec,ExternalHost
+API rule violation: names_match,gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1,ProxyProviderSpec,InvalidationFlow
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,Format
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,d
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,i
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,s
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,int64Amount,scale
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,int64Amount,value
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,APIResourceList,APIResources
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,Duration,Duration
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,InternalEvent,Object
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,InternalEvent,Type
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,MicroTime,Time
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,StatusCause,Type
+API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,Time,Time
+API rule violation: names_match,k8s.io/apimachinery/pkg/runtime,Unknown,ContentEncoding
+API rule violation: names_match,k8s.io/apimachinery/pkg/runtime,Unknown,ContentType

main.go

@@ -0,0 +1,119 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"errors"
+	"flag"
+	"net/url"
+	"os"
+	"time"
+
+	"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/signals"
+	authentikapi "goauthentik.io/api/v3"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/klog/v2"
+
+	// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
+	// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
+
+	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	informers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions"
+)
+
+var (
+	masterURL  string
+	kubeconfig string
+)
+
+func main() {
+	klog.InitFlags(nil)
+	flag.Parse()
+
+	// set up signals so we handle the shutdown signal gracefully
+	ctx := signals.SetupSignalHandler()
+	logger := klog.FromContext(ctx)
+
+	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
+	if err != nil {
+		logger.Error(err, "Error building kubeconfig")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	kubeClient, err := kubernetes.NewForConfig(cfg)
+	if err != nil {
+		logger.Error(err, "Error building kubernetes clientset")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	proxyProviderClient, err := clientset.NewForConfig(cfg)
+	if err != nil {
+		logger.Error(err, "Error building proxy provider clientset")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	authentikClient, err := newAuthentikAPIClient(os.Getenv("AUTENTIK_HOST"), os.Getenv("AUTENTIK_TOKEN"))
+	if err != nil {
+		logger.Error(err, "Error building Authentik API client")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	proxyProviderInformerFactory := informers.NewSharedInformerFactory(proxyProviderClient, time.Second*30)
+
+	controller := NewController(ctx, kubeClient, proxyProviderClient, authentikClient,
+		proxyProviderInformerFactory.Proxyprovider().V1alpha1().ProxyProviders(),
+	)
+
+	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(ctx.done())
+	// Start method is non-blocking and runs all registered informers in a dedicated goroutine.
+	proxyProviderInformerFactory.Start(ctx.Done())
+
+	if err = controller.Run(ctx, 2); err != nil {
+		logger.Error(err, "Error running controller")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+}
+
+func init() {
+	flag.StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
+	flag.StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
+}
+
+// newAuthentikAPIClient builds the OpenAPI-generated goauthentik client when AUTENTIK_HOST is set.
+func newAuthentikAPIClient(host, token string) (*authentikapi.APIClient, error) {
+	if host == "" {
+		return nil, errors.New("authentik host is not set")
+	}
+	cfg := authentikapi.NewConfiguration()
+	if u, err := url.Parse(host); err == nil && u.Host != "" {
+		cfg.Scheme = u.Scheme
+		if cfg.Scheme == "" {
+			cfg.Scheme = "https"
+		}
+		cfg.Host = u.Host
+	} else {
+		cfg.Scheme = "https"
+		cfg.Host = host
+	}
+	if token == "" {
+		return nil, errors.New("authentik token is not set")
+	}
+	cfg.AddDefaultHeader("Authorization", "Bearer "+token)
+
+	return authentikapi.NewAPIClient(cfg), nil
+}

pkg/apis/proxyprovider/v1alpha1/doc.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:openapi-gen=true
+// +groupName=proxyprovider.t000-n.de
+
+// Package v1 is the v1 version of the API.
+package v1alpha1

pkg/apis/proxyprovider/v1alpha1/types.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +kubebuilder:subresource:status
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type ProxyProvider struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ProxyProviderSpec   `json:"spec"`
+	Status ProxyProviderStatus `json:"status"`
+}
+
+type ProxyProviderSpec struct {
+	Name              string `json:"name"`
+	AuthorizationFlow string `json:"authorization_flow"`
+	InvalidationFlow  string `json:"invalidation_flow"`
+	ExternalHost      string `json:"external_host"`
+}
+
+type ProxyProviderStatus struct {
+	PK string `json:"pk"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type ProxyProviderList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []ProxyProvider `json:"items"`
+}

pkg/apis/proxyprovider/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,119 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ProxyProvider) DeepCopyInto(out *ProxyProvider) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ProxyProvider.
+func (in *ProxyProvider) DeepCopy() *ProxyProvider {
+	if in == nil {
+		return nil
+	}
+	out := new(ProxyProvider)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ProxyProvider) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ProxyProviderList) DeepCopyInto(out *ProxyProviderList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]ProxyProvider, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ProxyProviderList.
+func (in *ProxyProviderList) DeepCopy() *ProxyProviderList {
+	if in == nil {
+		return nil
+	}
+	out := new(ProxyProviderList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ProxyProviderList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ProxyProviderSpec) DeepCopyInto(out *ProxyProviderSpec) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ProxyProviderSpec.
+func (in *ProxyProviderSpec) DeepCopy() *ProxyProviderSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ProxyProviderSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ProxyProviderStatus) DeepCopyInto(out *ProxyProviderStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ProxyProviderStatus.
+func (in *ProxyProviderStatus) DeepCopy() *ProxyProviderStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ProxyProviderStatus)
+	in.DeepCopyInto(out)
+	return out
+}

pkg/apis/proxyprovider/v1alpha1/zz_generated.register.go

@@ -0,0 +1,71 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by register-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName specifies the group name used to register the objects.
+const GroupName = "proxyprovider.t000-n.de"
+
+// GroupVersion specifies the group and the version used to register the objects.
+var GroupVersion = v1.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// SchemeGroupVersion is group version used to register these objects
+//
+// Deprecated: use GroupVersion instead.
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	// Deprecated: use Install instead
+	AddToScheme = localSchemeBuilder.AddToScheme
+	Install     = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes)
+}
+
+// Adds the list of known types to Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&ProxyProvider{},
+		&ProxyProviderList{},
+	)
+	// AddToGroupVersion allows the serialization of client types like ListOptions.
+	v1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

pkg/generated/applyconfiguration/internal/internal.go

@@ -0,0 +1,62 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package internal
+
+import (
+	fmt "fmt"
+	sync "sync"
+
+	typed "sigs.k8s.io/structured-merge-diff/v6/typed"
+)
+
+func Parser() *typed.Parser {
+	parserOnce.Do(func() {
+		var err error
+		parser, err = typed.NewParser(schemaYAML)
+		if err != nil {
+			panic(fmt.Sprintf("Failed to parse schema: %v", err))
+		}
+	})
+	return parser
+}
+
+var parserOnce sync.Once
+var parser *typed.Parser
+var schemaYAML = typed.YAMLObject(`types:
+- name: __untyped_atomic_
+  scalar: untyped
+  list:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+  map:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+- name: __untyped_deduced_
+  scalar: untyped
+  list:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+  map:
+    elementType:
+      namedType: __untyped_deduced_
+    elementRelationship: separable
+`)

pkg/generated/applyconfiguration/proxyprovider/v1alpha1/proxyprovider.go

@@ -0,0 +1,243 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	v1 "k8s.io/client-go/applyconfigurations/meta/v1"
+)
+
+// ProxyProviderApplyConfiguration represents a declarative configuration of the ProxyProvider type for use
+// with apply.
+type ProxyProviderApplyConfiguration struct {
+	v1.TypeMetaApplyConfiguration    `json:""`
+	*v1.ObjectMetaApplyConfiguration `json:"metadata,omitempty"`
+	Spec                             *ProxyProviderSpecApplyConfiguration   `json:"spec,omitempty"`
+	Status                           *ProxyProviderStatusApplyConfiguration `json:"status,omitempty"`
+}
+
+// ProxyProvider constructs a declarative configuration of the ProxyProvider type for use with
+// apply.
+func ProxyProvider(name, namespace string) *ProxyProviderApplyConfiguration {
+	b := &ProxyProviderApplyConfiguration{}
+	b.WithName(name)
+	b.WithNamespace(namespace)
+	b.WithKind("ProxyProvider")
+	b.WithAPIVersion("proxyprovider.t000-n.de/v1alpha1")
+	return b
+}
+
+func (b ProxyProviderApplyConfiguration) IsApplyConfiguration() {}
+
+// WithKind sets the Kind field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Kind field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithKind(value string) *ProxyProviderApplyConfiguration {
+	b.TypeMetaApplyConfiguration.Kind = &value
+	return b
+}
+
+// WithAPIVersion sets the APIVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the APIVersion field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithAPIVersion(value string) *ProxyProviderApplyConfiguration {
+	b.TypeMetaApplyConfiguration.APIVersion = &value
+	return b
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithName(value string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Name = &value
+	return b
+}
+
+// WithGenerateName sets the GenerateName field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the GenerateName field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithGenerateName(value string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.GenerateName = &value
+	return b
+}
+
+// WithNamespace sets the Namespace field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Namespace field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithNamespace(value string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Namespace = &value
+	return b
+}
+
+// WithUID sets the UID field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the UID field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithUID(value types.UID) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.UID = &value
+	return b
+}
+
+// WithResourceVersion sets the ResourceVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ResourceVersion field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithResourceVersion(value string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.ResourceVersion = &value
+	return b
+}
+
+// WithGeneration sets the Generation field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Generation field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithGeneration(value int64) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.Generation = &value
+	return b
+}
+
+// WithCreationTimestamp sets the CreationTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the CreationTimestamp field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithCreationTimestamp(value metav1.Time) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.CreationTimestamp = &value
+	return b
+}
+
+// WithDeletionTimestamp sets the DeletionTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionTimestamp field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithDeletionTimestamp(value metav1.Time) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.DeletionTimestamp = &value
+	return b
+}
+
+// WithDeletionGracePeriodSeconds sets the DeletionGracePeriodSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionGracePeriodSeconds field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithDeletionGracePeriodSeconds(value int64) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ObjectMetaApplyConfiguration.DeletionGracePeriodSeconds = &value
+	return b
+}
+
+// WithLabels puts the entries into the Labels field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Labels field,
+// overwriting an existing map entries in Labels field with the same key.
+func (b *ProxyProviderApplyConfiguration) WithLabels(entries map[string]string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.ObjectMetaApplyConfiguration.Labels == nil && len(entries) > 0 {
+		b.ObjectMetaApplyConfiguration.Labels = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.ObjectMetaApplyConfiguration.Labels[k] = v
+	}
+	return b
+}
+
+// WithAnnotations puts the entries into the Annotations field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Annotations field,
+// overwriting an existing map entries in Annotations field with the same key.
+func (b *ProxyProviderApplyConfiguration) WithAnnotations(entries map[string]string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.ObjectMetaApplyConfiguration.Annotations == nil && len(entries) > 0 {
+		b.ObjectMetaApplyConfiguration.Annotations = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.ObjectMetaApplyConfiguration.Annotations[k] = v
+	}
+	return b
+}
+
+// WithOwnerReferences adds the given value to the OwnerReferences field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the OwnerReferences field.
+func (b *ProxyProviderApplyConfiguration) WithOwnerReferences(values ...*v1.OwnerReferenceApplyConfiguration) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		if values[i] == nil {
+			panic("nil value passed to WithOwnerReferences")
+		}
+		b.ObjectMetaApplyConfiguration.OwnerReferences = append(b.ObjectMetaApplyConfiguration.OwnerReferences, *values[i])
+	}
+	return b
+}
+
+// WithFinalizers adds the given value to the Finalizers field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the Finalizers field.
+func (b *ProxyProviderApplyConfiguration) WithFinalizers(values ...string) *ProxyProviderApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		b.ObjectMetaApplyConfiguration.Finalizers = append(b.ObjectMetaApplyConfiguration.Finalizers, values[i])
+	}
+	return b
+}
+
+func (b *ProxyProviderApplyConfiguration) ensureObjectMetaApplyConfigurationExists() {
+	if b.ObjectMetaApplyConfiguration == nil {
+		b.ObjectMetaApplyConfiguration = &v1.ObjectMetaApplyConfiguration{}
+	}
+}
+
+// WithSpec sets the Spec field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Spec field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithSpec(value *ProxyProviderSpecApplyConfiguration) *ProxyProviderApplyConfiguration {
+	b.Spec = value
+	return b
+}
+
+// WithStatus sets the Status field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Status field is set to the value of the last call.
+func (b *ProxyProviderApplyConfiguration) WithStatus(value *ProxyProviderStatusApplyConfiguration) *ProxyProviderApplyConfiguration {
+	b.Status = value
+	return b
+}
+
+// GetKind retrieves the value of the Kind field in the declarative configuration.
+func (b *ProxyProviderApplyConfiguration) GetKind() *string {
+	return b.TypeMetaApplyConfiguration.Kind
+}
+
+// GetAPIVersion retrieves the value of the APIVersion field in the declarative configuration.
+func (b *ProxyProviderApplyConfiguration) GetAPIVersion() *string {
+	return b.TypeMetaApplyConfiguration.APIVersion
+}
+
+// GetName retrieves the value of the Name field in the declarative configuration.
+func (b *ProxyProviderApplyConfiguration) GetName() *string {
+	b.ensureObjectMetaApplyConfigurationExists()
+	return b.ObjectMetaApplyConfiguration.Name
+}
+
+// GetNamespace retrieves the value of the Namespace field in the declarative configuration.
+func (b *ProxyProviderApplyConfiguration) GetNamespace() *string {
+	b.ensureObjectMetaApplyConfigurationExists()
+	return b.ObjectMetaApplyConfiguration.Namespace
+}

pkg/generated/applyconfiguration/proxyprovider/v1alpha1/proxyproviderspec.go

@@ -0,0 +1,66 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ProxyProviderSpecApplyConfiguration represents a declarative configuration of the ProxyProviderSpec type for use
+// with apply.
+type ProxyProviderSpecApplyConfiguration struct {
+	Name              *string `json:"name,omitempty"`
+	AuthorizationFlow *string `json:"authorization_flow,omitempty"`
+	InvalidationFlow  *string `json:"invalidation_flow,omitempty"`
+	ExternalHost      *string `json:"external_host,omitempty"`
+}
+
+// ProxyProviderSpecApplyConfiguration constructs a declarative configuration of the ProxyProviderSpec type for use with
+// apply.
+func ProxyProviderSpec() *ProxyProviderSpecApplyConfiguration {
+	return &ProxyProviderSpecApplyConfiguration{}
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *ProxyProviderSpecApplyConfiguration) WithName(value string) *ProxyProviderSpecApplyConfiguration {
+	b.Name = &value
+	return b
+}
+
+// WithAuthorizationFlow sets the AuthorizationFlow field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the AuthorizationFlow field is set to the value of the last call.
+func (b *ProxyProviderSpecApplyConfiguration) WithAuthorizationFlow(value string) *ProxyProviderSpecApplyConfiguration {
+	b.AuthorizationFlow = &value
+	return b
+}
+
+// WithInvalidationFlow sets the InvalidationFlow field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the InvalidationFlow field is set to the value of the last call.
+func (b *ProxyProviderSpecApplyConfiguration) WithInvalidationFlow(value string) *ProxyProviderSpecApplyConfiguration {
+	b.InvalidationFlow = &value
+	return b
+}
+
+// WithExternalHost sets the ExternalHost field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ExternalHost field is set to the value of the last call.
+func (b *ProxyProviderSpecApplyConfiguration) WithExternalHost(value string) *ProxyProviderSpecApplyConfiguration {
+	b.ExternalHost = &value
+	return b
+}

pkg/generated/applyconfiguration/proxyprovider/v1alpha1/proxyproviderstatus.go

@@ -0,0 +1,39 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ProxyProviderStatusApplyConfiguration represents a declarative configuration of the ProxyProviderStatus type for use
+// with apply.
+type ProxyProviderStatusApplyConfiguration struct {
+	PK *string `json:"pk,omitempty"`
+}
+
+// ProxyProviderStatusApplyConfiguration constructs a declarative configuration of the ProxyProviderStatus type for use with
+// apply.
+func ProxyProviderStatus() *ProxyProviderStatusApplyConfiguration {
+	return &ProxyProviderStatusApplyConfiguration{}
+}
+
+// WithPK sets the PK field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the PK field is set to the value of the last call.
+func (b *ProxyProviderStatusApplyConfiguration) WithPK(value string) *ProxyProviderStatusApplyConfiguration {
+	b.PK = &value
+	return b
+}

pkg/generated/applyconfiguration/utils.go

@@ -0,0 +1,48 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package applyconfiguration
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	internal "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/internal"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/proxyprovider/v1alpha1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	managedfields "k8s.io/apimachinery/pkg/util/managedfields"
+)
+
+// ForKind returns an apply configuration type for the given GroupVersionKind, or nil if no
+// apply configuration type exists for the given GroupVersionKind.
+func ForKind(kind schema.GroupVersionKind) interface{} {
+	switch kind {
+	// Group=proxyprovider.t000-n.de, Version=v1alpha1
+	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProvider"):
+		return &proxyproviderv1alpha1.ProxyProviderApplyConfiguration{}
+	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProviderSpec"):
+		return &proxyproviderv1alpha1.ProxyProviderSpecApplyConfiguration{}
+	case v1alpha1.SchemeGroupVersion.WithKind("ProxyProviderStatus"):
+		return &proxyproviderv1alpha1.ProxyProviderStatusApplyConfiguration{}
+
+	}
+	return nil
+}
+
+func NewTypeConverter(scheme *runtime.Scheme) managedfields.TypeConverter {
+	return managedfields.NewSchemeTypeConverter(scheme, internal.Parser())
+}

pkg/generated/clientset/versioned/clientset.go

@@ -0,0 +1,120 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package versioned
+
+import (
+	fmt "fmt"
+	http "net/http"
+
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
+	discovery "k8s.io/client-go/discovery"
+	rest "k8s.io/client-go/rest"
+	flowcontrol "k8s.io/client-go/util/flowcontrol"
+)
+
+type Interface interface {
+	Discovery() discovery.DiscoveryInterface
+	ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface
+}
+
+// Clientset contains the clients for groups.
+type Clientset struct {
+	*discovery.DiscoveryClient
+	proxyproviderV1alpha1 *proxyproviderv1alpha1.ProxyproviderV1alpha1Client
+}
+
+// ProxyproviderV1alpha1 retrieves the ProxyproviderV1alpha1Client
+func (c *Clientset) ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface {
+	return c.proxyproviderV1alpha1
+}
+
+// Discovery retrieves the DiscoveryClient
+func (c *Clientset) Discovery() discovery.DiscoveryInterface {
+	if c == nil {
+		return nil
+	}
+	return c.DiscoveryClient
+}
+
+// NewForConfig creates a new Clientset for the given config.
+// If config's RateLimiter is not set and QPS and Burst are acceptable,
+// NewForConfig will generate a rate-limiter in configShallowCopy.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*Clientset, error) {
+	configShallowCopy := *c
+
+	if configShallowCopy.UserAgent == "" {
+		configShallowCopy.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	// share the transport between all clients
+	httpClient, err := rest.HTTPClientFor(&configShallowCopy)
+	if err != nil {
+		return nil, err
+	}
+
+	return NewForConfigAndClient(&configShallowCopy, httpClient)
+}
+
+// NewForConfigAndClient creates a new Clientset for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+// If config's RateLimiter is not set and QPS and Burst are acceptable,
+// NewForConfigAndClient will generate a rate-limiter in configShallowCopy.
+func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*Clientset, error) {
+	configShallowCopy := *c
+	if configShallowCopy.RateLimiter == nil && configShallowCopy.QPS > 0 {
+		if configShallowCopy.Burst <= 0 {
+			return nil, fmt.Errorf("burst is required to be greater than 0 when RateLimiter is not set and QPS is set to greater than 0")
+		}
+		configShallowCopy.RateLimiter = flowcontrol.NewTokenBucketRateLimiter(configShallowCopy.QPS, configShallowCopy.Burst)
+	}
+
+	var cs Clientset
+	var err error
+	cs.proxyproviderV1alpha1, err = proxyproviderv1alpha1.NewForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
+
+	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
+	return &cs, nil
+}
+
+// NewForConfigOrDie creates a new Clientset for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *Clientset {
+	cs, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return cs
+}
+
+// New creates a new Clientset for the given RESTClient.
+func New(c rest.Interface) *Clientset {
+	var cs Clientset
+	cs.proxyproviderV1alpha1 = proxyproviderv1alpha1.New(c)
+
+	cs.DiscoveryClient = discovery.NewDiscoveryClient(c)
+	return &cs
+}

pkg/generated/clientset/versioned/fake/clientset_generated.go

@@ -0,0 +1,142 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	applyconfiguration "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration"
+	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
+	fakeproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/fake"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/discovery"
+	fakediscovery "k8s.io/client-go/discovery/fake"
+	"k8s.io/client-go/testing"
+)
+
+// NewSimpleClientset returns a clientset that will respond with the provided objects.
+// It's backed by a very simple object tracker that processes creates, updates and deletions as-is,
+// without applying any field management, validations and/or defaults. It shouldn't be considered a replacement
+// for a real clientset and is mostly useful in simple unit tests.
+func NewSimpleClientset(objects ...runtime.Object) *Clientset {
+	o := testing.NewObjectTracker(scheme, codecs.UniversalDecoder())
+	for _, obj := range objects {
+		if err := o.Add(obj); err != nil {
+			panic(err)
+		}
+	}
+
+	cs := &Clientset{tracker: o}
+	cs.discovery = &fakediscovery.FakeDiscovery{Fake: &cs.Fake}
+	cs.AddReactor("*", "*", testing.ObjectReaction(o))
+	cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
+		var opts metav1.ListOptions
+		if watchAction, ok := action.(testing.WatchActionImpl); ok {
+			opts = watchAction.ListOptions
+		}
+		gvr := action.GetResource()
+		ns := action.GetNamespace()
+		watch, err := o.Watch(gvr, ns, opts)
+		if err != nil {
+			return false, nil, err
+		}
+		return true, watch, nil
+	})
+
+	return cs
+}
+
+// Clientset implements clientset.Interface. Meant to be embedded into a
+// struct to get a default implementation. This makes faking out just the method
+// you want to test easier.
+type Clientset struct {
+	testing.Fake
+	discovery *fakediscovery.FakeDiscovery
+	tracker   testing.ObjectTracker
+}
+
+func (c *Clientset) Discovery() discovery.DiscoveryInterface {
+	return c.discovery
+}
+
+func (c *Clientset) Tracker() testing.ObjectTracker {
+	return c.tracker
+}
+
+// IsWatchListSemanticsUnSupported informs the reflector that this client
+// doesn't support WatchList semantics.
+//
+// This is a synthetic method whose sole purpose is to satisfy the optional
+// interface check performed by the reflector.
+// Returning true signals that WatchList can NOT be used.
+// No additional logic is implemented here.
+func (c *Clientset) IsWatchListSemanticsUnSupported() bool {
+	return true
+}
+
+// NewClientset returns a clientset that will respond with the provided objects.
+// It's backed by a very simple object tracker that processes creates, updates and deletions as-is,
+// without applying any validations and/or defaults. It shouldn't be considered a replacement
+// for a real clientset and is mostly useful in simple unit tests.
+//
+// Compared to NewSimpleClientset, the Clientset returned here supports field tracking and thus
+// server-side apply. Beware though that support in that for CRDs is missing
+// (https://github.com/kubernetes/kubernetes/issues/126850).
+func NewClientset(objects ...runtime.Object) *Clientset {
+	o := testing.NewFieldManagedObjectTracker(
+		scheme,
+		codecs.UniversalDecoder(),
+		applyconfiguration.NewTypeConverter(scheme),
+	)
+	for _, obj := range objects {
+		if err := o.Add(obj); err != nil {
+			panic(err)
+		}
+	}
+
+	cs := &Clientset{tracker: o}
+	cs.discovery = &fakediscovery.FakeDiscovery{Fake: &cs.Fake}
+	cs.AddReactor("*", "*", testing.ObjectReaction(o))
+	cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
+		var opts metav1.ListOptions
+		if watchAction, ok := action.(testing.WatchActionImpl); ok {
+			opts = watchAction.ListOptions
+		}
+		gvr := action.GetResource()
+		ns := action.GetNamespace()
+		watch, err := o.Watch(gvr, ns, opts)
+		if err != nil {
+			return false, nil, err
+		}
+		return true, watch, nil
+	})
+
+	return cs
+}
+
+var (
+	_ clientset.Interface = &Clientset{}
+	_ testing.FakeClient  = &Clientset{}
+)
+
+// ProxyproviderV1alpha1 retrieves the ProxyproviderV1alpha1Client
+func (c *Clientset) ProxyproviderV1alpha1() proxyproviderv1alpha1.ProxyproviderV1alpha1Interface {
+	return &fakeproxyproviderv1alpha1.FakeProxyproviderV1alpha1{Fake: &c.Fake}
+}

pkg/generated/clientset/versioned/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated fake clientset.
+package fake

pkg/generated/clientset/versioned/fake/register.go

@@ -0,0 +1,56 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+)
+
+var scheme = runtime.NewScheme()
+var codecs = serializer.NewCodecFactory(scheme)
+
+var localSchemeBuilder = runtime.SchemeBuilder{
+	proxyproviderv1alpha1.AddToScheme,
+}
+
+// AddToScheme adds all types of this clientset into the given scheme. This allows composition
+// of clientsets, like in:
+//
+//	import (
+//	  "k8s.io/client-go/kubernetes"
+//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
+//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
+//	)
+//
+//	kclientset, _ := kubernetes.NewForConfig(c)
+//	_ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//
+// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
+// correctly.
+var AddToScheme = localSchemeBuilder.AddToScheme
+
+func init() {
+	v1.AddToGroupVersion(scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(scheme))
+}

pkg/generated/clientset/versioned/scheme/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package contains the scheme of the automatically generated clientset.
+package scheme

pkg/generated/clientset/versioned/scheme/register.go

@@ -0,0 +1,56 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package scheme
+
+import (
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+)
+
+var Scheme = runtime.NewScheme()
+var Codecs = serializer.NewCodecFactory(Scheme)
+var ParameterCodec = runtime.NewParameterCodec(Scheme)
+var localSchemeBuilder = runtime.SchemeBuilder{
+	proxyproviderv1alpha1.AddToScheme,
+}
+
+// AddToScheme adds all types of this clientset into the given scheme. This allows composition
+// of clientsets, like in:
+//
+//	import (
+//	  "k8s.io/client-go/kubernetes"
+//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
+//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
+//	)
+//
+//	kclientset, _ := kubernetes.NewForConfig(c)
+//	_ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//
+// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
+// correctly.
+var AddToScheme = localSchemeBuilder.AddToScheme
+
+func init() {
+	v1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(Scheme))
+}

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated typed clients.
+package v1alpha1

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// Package fake has the automatically generated clients.
+package fake

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/fake/fake_proxyprovider.go

@@ -0,0 +1,53 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/proxyprovider/v1alpha1"
+	typedproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
+	gentype "k8s.io/client-go/gentype"
+)
+
+// fakeProxyProviders implements ProxyProviderInterface
+type fakeProxyProviders struct {
+	*gentype.FakeClientWithListAndApply[*v1alpha1.ProxyProvider, *v1alpha1.ProxyProviderList, *proxyproviderv1alpha1.ProxyProviderApplyConfiguration]
+	Fake *FakeProxyproviderV1alpha1
+}
+
+func newFakeProxyProviders(fake *FakeProxyproviderV1alpha1, namespace string) typedproxyproviderv1alpha1.ProxyProviderInterface {
+	return &fakeProxyProviders{
+		gentype.NewFakeClientWithListAndApply[*v1alpha1.ProxyProvider, *v1alpha1.ProxyProviderList, *proxyproviderv1alpha1.ProxyProviderApplyConfiguration](
+			fake.Fake,
+			namespace,
+			v1alpha1.SchemeGroupVersion.WithResource("proxyproviders"),
+			v1alpha1.SchemeGroupVersion.WithKind("ProxyProvider"),
+			func() *v1alpha1.ProxyProvider { return &v1alpha1.ProxyProvider{} },
+			func() *v1alpha1.ProxyProviderList { return &v1alpha1.ProxyProviderList{} },
+			func(dst, src *v1alpha1.ProxyProviderList) { dst.ListMeta = src.ListMeta },
+			func(list *v1alpha1.ProxyProviderList) []*v1alpha1.ProxyProvider {
+				return gentype.ToPointerSlice(list.Items)
+			},
+			func(list *v1alpha1.ProxyProviderList, items []*v1alpha1.ProxyProvider) {
+				list.Items = gentype.FromPointerSlice(items)
+			},
+		),
+		fake,
+	}
+}

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/fake/fake_proxyprovider_client.go

@@ -0,0 +1,40 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1"
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+)
+
+type FakeProxyproviderV1alpha1 struct {
+	*testing.Fake
+}
+
+func (c *FakeProxyproviderV1alpha1) ProxyProviders(namespace string) v1alpha1.ProxyProviderInterface {
+	return newFakeProxyProviders(c, namespace)
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeProxyproviderV1alpha1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/generated_expansion.go

@@ -0,0 +1,21 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+type ProxyProviderExpansion interface{}

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/proxyprovider.go

@@ -0,0 +1,74 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	context "context"
+
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	applyconfigurationproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/applyconfiguration/proxyprovider/v1alpha1"
+	scheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	gentype "k8s.io/client-go/gentype"
+)
+
+// ProxyProvidersGetter has a method to return a ProxyProviderInterface.
+// A group's client should implement this interface.
+type ProxyProvidersGetter interface {
+	ProxyProviders(namespace string) ProxyProviderInterface
+}
+
+// ProxyProviderInterface has methods to work with ProxyProvider resources.
+type ProxyProviderInterface interface {
+	Create(ctx context.Context, proxyProvider *proxyproviderv1alpha1.ProxyProvider, opts v1.CreateOptions) (*proxyproviderv1alpha1.ProxyProvider, error)
+	Update(ctx context.Context, proxyProvider *proxyproviderv1alpha1.ProxyProvider, opts v1.UpdateOptions) (*proxyproviderv1alpha1.ProxyProvider, error)
+	// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+	UpdateStatus(ctx context.Context, proxyProvider *proxyproviderv1alpha1.ProxyProvider, opts v1.UpdateOptions) (*proxyproviderv1alpha1.ProxyProvider, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*proxyproviderv1alpha1.ProxyProvider, error)
+	List(ctx context.Context, opts v1.ListOptions) (*proxyproviderv1alpha1.ProxyProviderList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *proxyproviderv1alpha1.ProxyProvider, err error)
+	Apply(ctx context.Context, proxyProvider *applyconfigurationproxyproviderv1alpha1.ProxyProviderApplyConfiguration, opts v1.ApplyOptions) (result *proxyproviderv1alpha1.ProxyProvider, err error)
+	// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+	ApplyStatus(ctx context.Context, proxyProvider *applyconfigurationproxyproviderv1alpha1.ProxyProviderApplyConfiguration, opts v1.ApplyOptions) (result *proxyproviderv1alpha1.ProxyProvider, err error)
+	ProxyProviderExpansion
+}
+
+// proxyProviders implements ProxyProviderInterface
+type proxyProviders struct {
+	*gentype.ClientWithListAndApply[*proxyproviderv1alpha1.ProxyProvider, *proxyproviderv1alpha1.ProxyProviderList, *applyconfigurationproxyproviderv1alpha1.ProxyProviderApplyConfiguration]
+}
+
+// newProxyProviders returns a ProxyProviders
+func newProxyProviders(c *ProxyproviderV1alpha1Client, namespace string) *proxyProviders {
+	return &proxyProviders{
+		gentype.NewClientWithListAndApply[*proxyproviderv1alpha1.ProxyProvider, *proxyproviderv1alpha1.ProxyProviderList, *applyconfigurationproxyproviderv1alpha1.ProxyProviderApplyConfiguration](
+			"proxyproviders",
+			c.RESTClient(),
+			scheme.ParameterCodec,
+			namespace,
+			func() *proxyproviderv1alpha1.ProxyProvider { return &proxyproviderv1alpha1.ProxyProvider{} },
+			func() *proxyproviderv1alpha1.ProxyProviderList { return &proxyproviderv1alpha1.ProxyProviderList{} },
+		),
+	}
+}

pkg/generated/clientset/versioned/typed/proxyprovider/v1alpha1/proxyprovider_client.go

@@ -0,0 +1,101 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	http "net/http"
+
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	scheme "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned/scheme"
+	rest "k8s.io/client-go/rest"
+)
+
+type ProxyproviderV1alpha1Interface interface {
+	RESTClient() rest.Interface
+	ProxyProvidersGetter
+}
+
+// ProxyproviderV1alpha1Client is used to interact with features provided by the proxyprovider.t000-n.de group.
+type ProxyproviderV1alpha1Client struct {
+	restClient rest.Interface
+}
+
+func (c *ProxyproviderV1alpha1Client) ProxyProviders(namespace string) ProxyProviderInterface {
+	return newProxyProviders(c, namespace)
+}
+
+// NewForConfig creates a new ProxyproviderV1alpha1Client for the given config.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*ProxyproviderV1alpha1Client, error) {
+	config := *c
+	setConfigDefaults(&config)
+	httpClient, err := rest.HTTPClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return NewForConfigAndClient(&config, httpClient)
+}
+
+// NewForConfigAndClient creates a new ProxyproviderV1alpha1Client for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+func NewForConfigAndClient(c *rest.Config, h *http.Client) (*ProxyproviderV1alpha1Client, error) {
+	config := *c
+	setConfigDefaults(&config)
+	client, err := rest.RESTClientForConfigAndClient(&config, h)
+	if err != nil {
+		return nil, err
+	}
+	return &ProxyproviderV1alpha1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new ProxyproviderV1alpha1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *ProxyproviderV1alpha1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new ProxyproviderV1alpha1Client for the given RESTClient.
+func New(c rest.Interface) *ProxyproviderV1alpha1Client {
+	return &ProxyproviderV1alpha1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) {
+	gv := proxyproviderv1alpha1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = rest.CodecFactoryForGeneratedClient(scheme.Scheme, scheme.Codecs).WithoutConversion()
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *ProxyproviderV1alpha1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

pkg/generated/informers/externalversions/factory.go

@@ -0,0 +1,333 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package externalversions
+
+import (
+	context "context"
+	reflect "reflect"
+	sync "sync"
+	time "time"
+
+	versioned "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+	proxyprovider "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/proxyprovider"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	wait "k8s.io/apimachinery/pkg/util/wait"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// SharedInformerOption defines the functional option type for SharedInformerFactory.
+type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
+
+type sharedInformerFactory struct {
+	client           versioned.Interface
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	lock             sync.Mutex
+	defaultResync    time.Duration
+	customResync     map[reflect.Type]time.Duration
+	transform        cache.TransformFunc
+	informerName     *cache.InformerName
+
+	informers map[reflect.Type]cache.SharedIndexInformer
+	// startedInformers is used for tracking which informers have been started.
+	// This allows Start() to be called multiple times safely.
+	startedInformers map[reflect.Type]bool
+	// wg tracks how many goroutines were started.
+	wg sync.WaitGroup
+	// shuttingDown is true when Shutdown has been called. It may still be running
+	// because it needs to wait for goroutines.
+	shuttingDown bool
+}
+
+// WithCustomResyncConfig sets a custom resync period for the specified informer types.
+func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		for k, v := range resyncConfig {
+			factory.customResync[reflect.TypeOf(k)] = v
+		}
+		return factory
+	}
+}
+
+// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
+func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.tweakListOptions = tweakListOptions
+		return factory
+	}
+}
+
+// WithNamespace limits the SharedInformerFactory to the specified namespace.
+func WithNamespace(namespace string) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.namespace = namespace
+		return factory
+	}
+}
+
+// WithTransform sets a transform on all informers.
+func WithTransform(transform cache.TransformFunc) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.transform = transform
+		return factory
+	}
+}
+
+// WithInformerName sets the InformerName for informer identity used in metrics.
+// The InformerName must be created via cache.NewInformerName() at startup,
+// which validates global uniqueness. Each informer type will register its
+// GVR under this name.
+func WithInformerName(informerName *cache.InformerName) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.informerName = informerName
+		return factory
+	}
+}
+
+func (f *sharedInformerFactory) InformerName() *cache.InformerName {
+	return f.informerName
+}
+
+// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
+func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
+	return NewSharedInformerFactoryWithOptions(client, defaultResync)
+}
+
+// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
+// Listers obtained via this SharedInformerFactory will be subject to the same filters
+// as specified here.
+//
+// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
+func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
+	return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
+}
+
+// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
+func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
+	factory := &sharedInformerFactory{
+		client:           client,
+		namespace:        v1.NamespaceAll,
+		defaultResync:    defaultResync,
+		informers:        make(map[reflect.Type]cache.SharedIndexInformer),
+		startedInformers: make(map[reflect.Type]bool),
+		customResync:     make(map[reflect.Type]time.Duration),
+	}
+
+	// Apply all options
+	for _, opt := range options {
+		factory = opt(factory)
+	}
+
+	return factory
+}
+
+func (f *sharedInformerFactory) Start(stopCh <-chan struct{}) {
+	f.StartWithContext(wait.ContextForChannel(stopCh))
+}
+
+func (f *sharedInformerFactory) StartWithContext(ctx context.Context) {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	if f.shuttingDown {
+		return
+	}
+
+	for informerType, informer := range f.informers {
+		if !f.startedInformers[informerType] {
+			f.wg.Go(func() {
+				informer.RunWithContext(ctx)
+			})
+			f.startedInformers[informerType] = true
+		}
+	}
+}
+
+func (f *sharedInformerFactory) Shutdown() {
+	f.lock.Lock()
+	f.shuttingDown = true
+	f.lock.Unlock()
+
+	// Will return immediately if there is nothing to wait for.
+	f.wg.Wait()
+	f.informerName.Release()
+}
+
+func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool {
+	result := f.WaitForCacheSyncWithContext(wait.ContextForChannel(stopCh))
+	return result.Synced
+}
+
+func (f *sharedInformerFactory) WaitForCacheSyncWithContext(ctx context.Context) cache.SyncResult {
+	informers := func() map[reflect.Type]cache.SharedIndexInformer {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+
+		informers := map[reflect.Type]cache.SharedIndexInformer{}
+		for informerType, informer := range f.informers {
+			if f.startedInformers[informerType] {
+				informers[informerType] = informer
+			}
+		}
+		return informers
+	}()
+
+	// Wait for informers to sync, without polling.
+	cacheSyncs := make([]cache.DoneChecker, 0, len(informers))
+	for _, informer := range informers {
+		cacheSyncs = append(cacheSyncs, informer.HasSyncedChecker())
+	}
+	cache.WaitFor(ctx, "" /* no logging */, cacheSyncs...)
+
+	res := cache.SyncResult{
+		Synced: make(map[reflect.Type]bool, len(informers)),
+	}
+	failed := false
+	for informType, informer := range informers {
+		hasSynced := informer.HasSynced()
+		if !hasSynced {
+			failed = true
+		}
+		res.Synced[informType] = hasSynced
+	}
+	if failed {
+		// context.Cause is more informative than ctx.Err().
+		// This must be non-nil, otherwise WaitFor wouldn't have stopped
+		// prematurely.
+		res.Err = context.Cause(ctx)
+	}
+
+	return res
+}
+
+// InformerFor returns the SharedIndexInformer for obj using an internal
+// client.
+func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	informerType := reflect.TypeOf(obj)
+	informer, exists := f.informers[informerType]
+	if exists {
+		return informer
+	}
+
+	resyncPeriod, exists := f.customResync[informerType]
+	if !exists {
+		resyncPeriod = f.defaultResync
+	}
+
+	informer = newFunc(f.client, resyncPeriod)
+	if f.transform != nil {
+		informer.SetTransform(f.transform)
+	}
+	f.informers[informerType] = informer
+
+	return informer
+}
+
+// SharedInformerFactory provides shared informers for resources in all known
+// API group versions.
+//
+// It is typically used like this:
+//
+//	ctx, cancel := context.WithCancel(context.Background())
+//	defer cancel()
+//	factory := NewSharedInformerFactory(client, resyncPeriod)
+//	defer factory.Shutdown()    // Returns immediately if nothing was started.
+//	genericInformer := factory.ForResource(resource)
+//	typedInformer := factory.SomeAPIGroup().V1().SomeType()
+//	handle, err := typeInformer.Informer().AddEventHandler(...)
+//	if err != nil {
+//	    return fmt.Errorf("register event handler: %v", err)
+//	}
+//	defer typeInformer.Informer().RemoveEventHandler(handle) // Avoids leaking goroutines.
+//	factory.StartWithContext(ctx)                            // Start processing these informers.
+//	synced := factory.WaitForCacheSyncWithContext(ctx)
+//	if err := synced.AsError(); err != nil {
+//	    return err
+//	}
+//	for v := range synced {
+//	    // Only if desired log some information similar to this.
+//	    fmt.Fprintf(os.Stdout, "cache synced: %s", v)
+//	}
+//
+//	// Also make sure that all of the initial cache events have been delivered.
+//	if !WaitFor(ctx, "event handler sync", handle.HasSyncedChecker()) {
+//	    // Must have failed because of context.
+//	    return fmt.Errorf("sync event handler: %w", context.Cause(ctx))
+//	}
+//
+//	// Creating informers can also be created after Start, but then
+//	// Start must be called again:
+//	anotherGenericInformer := factory.ForResource(resource)
+//	factory.StartWithContext(ctx)
+type SharedInformerFactory interface {
+	internalinterfaces.SharedInformerFactory
+
+	// Start initializes all requested informers. They are handled in goroutines
+	// which run until the stop channel gets closed.
+	// Warning: Start does not block. When run in a go-routine, it will race with a later WaitForCacheSync.
+	//
+	// Contextual logging: StartWithContext should be used instead of Start in code which supports contextual logging.
+	Start(stopCh <-chan struct{})
+
+	// StartWithContext initializes all requested informers. They are handled in goroutines
+	// which run until the context gets canceled.
+	// Warning: StartWithContext does not block. When run in a go-routine, it will race with a later WaitForCacheSync.
+	StartWithContext(ctx context.Context)
+
+	// Shutdown marks a factory as shutting down. At that point no new
+	// informers can be started anymore and Start will return without
+	// doing anything.
+	//
+	// In addition, Shutdown blocks until all goroutines have terminated. For that
+	// to happen, the close channel(s) that they were started with must be closed,
+	// either before Shutdown gets called or while it is waiting.
+	//
+	// Shutdown may be called multiple times, even concurrently. All such calls will
+	// block until all goroutines have terminated.
+	Shutdown()
+
+	// WaitForCacheSync blocks until all started informers' caches were synced
+	// or the stop channel gets closed.
+	//
+	// Contextual logging: WaitForCacheSync should be used instead of WaitForCacheSync in code which supports contextual logging. It also returns a more useful result.
+	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
+
+	// WaitForCacheSyncWithContext blocks until all started informers' caches were synced
+	// or the context gets canceled.
+	WaitForCacheSyncWithContext(ctx context.Context) cache.SyncResult
+
+	// ForResource gives generic access to a shared informer of the matching type.
+	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
+
+	// InformerFor returns the SharedIndexInformer for obj using an internal
+	// client.
+	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer
+
+	Proxyprovider() proxyprovider.Interface
+}
+
+func (f *sharedInformerFactory) Proxyprovider() proxyprovider.Interface {
+	return proxyprovider.New(f, f.namespace, f.tweakListOptions)
+}

pkg/generated/informers/externalversions/generic.go

@@ -0,0 +1,62 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package externalversions
+
+import (
+	fmt "fmt"
+
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// GenericInformer is type of SharedIndexInformer which will locate and delegate to other
+// sharedInformers based on type
+type GenericInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() cache.GenericLister
+}
+
+type genericInformer struct {
+	informer cache.SharedIndexInformer
+	resource schema.GroupResource
+}
+
+// Informer returns the SharedIndexInformer.
+func (f *genericInformer) Informer() cache.SharedIndexInformer {
+	return f.informer
+}
+
+// Lister returns the GenericLister.
+func (f *genericInformer) Lister() cache.GenericLister {
+	return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
+}
+
+// ForResource gives generic access to a shared informer of the matching type
+// TODO extend this to unknown resources with a client pool
+func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
+	switch resource {
+	// Group=proxyprovider.t000-n.de, Version=v1alpha1
+	case v1alpha1.SchemeGroupVersion.WithResource("proxyproviders"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Proxyprovider().V1alpha1().ProxyProviders().Informer()}, nil
+
+	}
+
+	return nil, fmt.Errorf("no informer found for %v", resource)
+}

pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go

@@ -0,0 +1,59 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package internalinterfaces
+
+import (
+	time "time"
+
+	versioned "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// NewInformerFunc takes versioned.Interface and time.Duration to return a SharedIndexInformer.
+type NewInformerFunc func(versioned.Interface, time.Duration) cache.SharedIndexInformer
+
+// SharedInformerFactory a small interface to allow for adding an informer without an import cycle
+type SharedInformerFactory interface {
+	Start(stopCh <-chan struct{})
+	InformerFor(obj runtime.Object, newFunc NewInformerFunc) cache.SharedIndexInformer
+	InformerName() *cache.InformerName
+}
+
+// TweakListOptionsFunc is a function that transforms a v1.ListOptions.
+type TweakListOptionsFunc func(*v1.ListOptions)
+
+// InformerOptions holds the options for creating an informer.
+type InformerOptions struct {
+	// ResyncPeriod is the resync period for this informer.
+	// If not set, defaults to 0 (no resync).
+	ResyncPeriod time.Duration
+
+	// Indexers are the indexers for this informer.
+	Indexers cache.Indexers
+
+	// InformerName is used to uniquely identify this informer for metrics.
+	// If not set, metrics will not be published for this informer.
+	// Use cache.NewInformerName() to create an InformerName at startup.
+	InformerName *cache.InformerName
+
+	// TweakListOptions is an optional function to modify the list options.
+	TweakListOptions TweakListOptionsFunc
+}

pkg/generated/informers/externalversions/proxyprovider/interface.go

@@ -0,0 +1,46 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package proxyprovider
+
+import (
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+	v1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/proxyprovider/v1alpha1"
+)
+
+// Interface provides access to each of this group's versions.
+type Interface interface {
+	// V1alpha1 provides access to shared informers for resources in V1alpha1.
+	V1alpha1() v1alpha1.Interface
+}
+
+type group struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &group{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// V1alpha1 returns a new v1alpha1.Interface.
+func (g *group) V1alpha1() v1alpha1.Interface {
+	return v1alpha1.New(g.factory, g.namespace, g.tweakListOptions)
+}

pkg/generated/informers/externalversions/proxyprovider/v1alpha1/interface.go

@@ -0,0 +1,45 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// ProxyProviders returns a ProxyProviderInformer.
+	ProxyProviders() ProxyProviderInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// ProxyProviders returns a ProxyProviderInformer.
+func (v *version) ProxyProviders() ProxyProviderInformer {
+	return &proxyProviderInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}

pkg/generated/informers/externalversions/proxyprovider/v1alpha1/proxyprovider.go

@@ -0,0 +1,116 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	context "context"
+	time "time"
+
+	apisproxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	versioned "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	internalinterfaces "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions/internalinterfaces"
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/listers/proxyprovider/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// ProxyProviderInformer provides access to a shared informer and lister for
+// ProxyProviders.
+type ProxyProviderInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() proxyproviderv1alpha1.ProxyProviderLister
+}
+
+type proxyProviderInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewProxyProviderInformer constructs a new informer for ProxyProvider type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewProxyProviderInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewProxyProviderInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers})
+}
+
+// NewFilteredProxyProviderInformer constructs a new informer for ProxyProvider type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredProxyProviderInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return NewProxyProviderInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers, TweakListOptions: tweakListOptions})
+}
+
+// NewProxyProviderInformerWithOptions constructs a new informer for ProxyProvider type with additional options.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewProxyProviderInformerWithOptions(client versioned.Interface, namespace string, options internalinterfaces.InformerOptions) cache.SharedIndexInformer {
+	gvr := schema.GroupVersionResource{Group: "proxyprovider.t000-n.de", Version: "v1alpha1", Resource: "proxyproviders"}
+	identifier := options.InformerName.WithResource(gvr)
+	tweakListOptions := options.TweakListOptions
+	return cache.NewSharedIndexInformerWithOptions(
+		cache.ToListWatcherWithWatchListSemantics(&cache.ListWatch{
+			ListFunc: func(opts v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ProxyproviderV1alpha1().ProxyProviders(namespace).List(context.Background(), opts)
+			},
+			WatchFunc: func(opts v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ProxyproviderV1alpha1().ProxyProviders(namespace).Watch(context.Background(), opts)
+			},
+			ListWithContextFunc: func(ctx context.Context, opts v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ProxyproviderV1alpha1().ProxyProviders(namespace).List(ctx, opts)
+			},
+			WatchFuncWithContext: func(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&opts)
+				}
+				return client.ProxyproviderV1alpha1().ProxyProviders(namespace).Watch(ctx, opts)
+			},
+		}, client),
+		&apisproxyproviderv1alpha1.ProxyProvider{},
+		cache.SharedIndexInformerOptions{
+			ResyncPeriod: options.ResyncPeriod,
+			Indexers:     options.Indexers,
+			Identifier:   identifier,
+		},
+	)
+}
+
+func (f *proxyProviderInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewProxyProviderInformerWithOptions(client, f.namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, InformerName: f.factory.InformerName(), TweakListOptions: f.tweakListOptions})
+}
+
+func (f *proxyProviderInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&apisproxyproviderv1alpha1.ProxyProvider{}, f.defaultInformer)
+}
+
+func (f *proxyProviderInformer) Lister() proxyproviderv1alpha1.ProxyProviderLister {
+	return proxyproviderv1alpha1.NewProxyProviderLister(f.Informer().GetIndexer())
+}

pkg/generated/listers/proxyprovider/v1alpha1/expansion_generated.go

@@ -0,0 +1,27 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// ProxyProviderListerExpansion allows custom methods to be added to
+// ProxyProviderLister.
+type ProxyProviderListerExpansion interface{}
+
+// ProxyProviderNamespaceListerExpansion allows custom methods to be added to
+// ProxyProviderNamespaceLister.
+type ProxyProviderNamespaceListerExpansion interface{}

pkg/generated/listers/proxyprovider/v1alpha1/proxyprovider.go

@@ -0,0 +1,70 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	proxyproviderv1alpha1 "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/apis/proxyprovider/v1alpha1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	listers "k8s.io/client-go/listers"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// ProxyProviderLister helps list ProxyProviders.
+// All objects returned here must be treated as read-only.
+type ProxyProviderLister interface {
+	// List lists all ProxyProviders in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*proxyproviderv1alpha1.ProxyProvider, err error)
+	// ProxyProviders returns an object that can list and get ProxyProviders.
+	ProxyProviders(namespace string) ProxyProviderNamespaceLister
+	ProxyProviderListerExpansion
+}
+
+// proxyProviderLister implements the ProxyProviderLister interface.
+type proxyProviderLister struct {
+	listers.ResourceIndexer[*proxyproviderv1alpha1.ProxyProvider]
+}
+
+// NewProxyProviderLister returns a new ProxyProviderLister.
+func NewProxyProviderLister(indexer cache.Indexer) ProxyProviderLister {
+	return &proxyProviderLister{listers.New[*proxyproviderv1alpha1.ProxyProvider](indexer, proxyproviderv1alpha1.Resource("proxyprovider"))}
+}
+
+// ProxyProviders returns an object that can list and get ProxyProviders.
+func (s *proxyProviderLister) ProxyProviders(namespace string) ProxyProviderNamespaceLister {
+	return proxyProviderNamespaceLister{listers.NewNamespaced[*proxyproviderv1alpha1.ProxyProvider](s.ResourceIndexer, namespace)}
+}
+
+// ProxyProviderNamespaceLister helps list and get ProxyProviders.
+// All objects returned here must be treated as read-only.
+type ProxyProviderNamespaceLister interface {
+	// List lists all ProxyProviders in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*proxyproviderv1alpha1.ProxyProvider, err error)
+	// Get retrieves the ProxyProvider from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*proxyproviderv1alpha1.ProxyProvider, error)
+	ProxyProviderNamespaceListerExpansion
+}
+
+// proxyProviderNamespaceLister implements the ProxyProviderNamespaceLister
+// interface.
+type proxyProviderNamespaceLister struct {
+	listers.ResourceIndexer[*proxyproviderv1alpha1.ProxyProvider]
+}

pkg/signals/signal.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package signals
+
+import (
+	"context"
+	"os"
+	"os/signal"
+)
+
+var onlyOneSignalHandler = make(chan struct{})
+
+// SetupSignalHandler registered for SIGTERM and SIGINT. A context is returned
+// which is cancelled on one of these signals. If a second signal is caught,
+// the program is terminated with exit code 1.
+func SetupSignalHandler() context.Context {
+	close(onlyOneSignalHandler) // panics when called twice
+
+	c := make(chan os.Signal, 2)
+	ctx, cancel := context.WithCancel(context.Background())
+	signal.Notify(c, shutdownSignals...)
+	go func() {
+		<-c
+		cancel()
+		<-c
+		os.Exit(1) // second signal. Exit directly.
+	}()
+
+	return ctx
+}

pkg/signals/signal_posix.go

@@ -0,0 +1,26 @@
+//go:build !windows
+
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package signals
+
+import (
+	"os"
+	"syscall"
+)
+
+var shutdownSignals = []os.Signal{os.Interrupt, syscall.SIGTERM}

scripts/codegen.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# Run Kubernetes code generators for pkg/apis using vendored kube_codegen.sh.
+
+set -euo pipefail
+
+# kube_codegen runs nested `go install` from the code-generator submodule. For this
+# repo we force:
+#   -buildvcs=false — avoid git stamping failures (submodules, safe.directory)
+#   -mod=mod        — do not use the repo root vendor/ (often stale vs go.mod
+#                     or unrelated to generator tools); fetch modules instead.
+export GOFLAGS="-buildvcs=false -mod=mod"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd -P)"
+
+MODULE="gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator"
+KUBE_CODEGEN="${REPO_ROOT}/code-generator/kube_codegen.sh"
+BOILERPLATE="${REPO_ROOT}/code-generator/examples/hack/boilerplate.go.txt"
+API_ROOT="${REPO_ROOT}/pkg/apis"
+GEN_ROOT="${REPO_ROOT}/pkg/generated"
+
+source "${KUBE_CODEGEN}"
+
+kube::codegen::gen_helpers --boilerplate "${BOILERPLATE}" "${API_ROOT}"
+kube::codegen::gen_register --boilerplate "${BOILERPLATE}" "${API_ROOT}"
+
+# OpenAPI rule diff: keep a checked-in baseline (see k8s.io/code-generator examples/hack/update-codegen.sh).
+API_VIOLATIONS_DIR="${REPO_ROOT}/hack/api-violations"
+VIOLATIONS_LIST="${API_VIOLATIONS_DIR}/codegen_violation_exceptions.list"
+mkdir -p "${API_VIOLATIONS_DIR}"
+openapi_report_args=(--report-filename "${VIOLATIONS_LIST}")
+if [[ ! -s "${VIOLATIONS_LIST}" ]] || [[ "${UPDATE_API_KNOWN_VIOLATIONS:-}" == "true" ]]; then
+	openapi_report_args+=(--update-report)
+fi
+
+kube::codegen::gen_openapi \
+	--output-dir "${GEN_ROOT}/openapi" \
+	--output-pkg "${MODULE}/pkg/generated/openapi" \
+	--output-model-name-file zz_generated.model_name.go \
+	--boilerplate "${BOILERPLATE}" \
+	"${openapi_report_args[@]}" \
+	"${API_ROOT}"
+
+kube::codegen::gen_client \
+	--with-watch \
+	--with-applyconfig \
+	--output-dir "${GEN_ROOT}" \
+	--output-pkg "${MODULE}/pkg/generated" \
+	--boilerplate "${BOILERPLATE}" \
+	"${API_ROOT}"