chore: initial fixes

Signed-off-by: Oliver Bähler <oliverbaehler@hotmail.com>

Makefile

@@ -33,6 +33,9 @@ integration-test: setup-envtest
 setup-envtest:
 	bash ./hack/install-setup-envtest.sh
 
+
+
+
 # Docker Image
 KOCACHE             ?= /tmp/ko-cache
 KO_TAGS         ?= "latest"
@@ -51,9 +54,9 @@ LD_FLAGS        := "-X main.Version=$(VERSION) \
 .PHONY: ko-build
 ko-build: ko
 	@LD_FLAGS=$(LD_FLAGS) KOCACHE=$(KOCACHE) KO_DOCKER_REPO=$(FULL_IMG) \
-		$(KO) build ./cmd/cloudflare-tunnel-ingress-controller/ --preserve-import-paths --tags=$(KO_TAGS) --push=false
+		$(KO) build ./cmd/cloudflare-tunnel-ingress-controller/ --bare --local --tags=$(KO_TAGS) --push=false
 
-.PHONY: docker-build-all
+.PHONY: docker-build
 docker-build: ko-build
 
 REGISTRY_PASSWORD   ?= dummy

charts/cloudflare-tunnel-ingress-controller/templates/_helpers.tpl

@@ -60,3 +60,8 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+
+{{- define "cloudflare-tunnel-ingress-controller.controllerclass" -}}
+  {{- default (printf "oliverbaehler.io/%s" (include "cloudflare-tunnel-ingress-controller.fullname" $)) .Values.ingressClass.controllerValue -}}
+{{- end -}}

charts/cloudflare-tunnel-ingress-controller/templates/deployment.yaml

@@ -48,7 +48,7 @@ spec:
           command:
             - cloudflare-tunnel-ingress-controller
             - --ingress-class={{ .Values.ingressClass.name }}
-            - --controller-class={{ .Values.ingressClass.controllerValue }}
+            - --controller-class={{ include "cloudflare-tunnel-ingress-controller.controllerclass" $ }}
             - --cloudflare-api-token=$(CLOUDFLARE_API_TOKEN)
             - --cloudflare-account-id=$(CLOUDFLARE_ACCOUNT_ID)
             - --cloudflare-tunnel-name=$(CLOUDFLARE_TUNNEL_NAME)

charts/cloudflare-tunnel-ingress-controller/templates/ingressclass.yaml

@@ -5,8 +5,4 @@ metadata:
     ingressclass.kubernetes.io/is-default-class: {{ .Values.ingressClass.isDefaultClass | quote }}
   name: {{ .Values.ingressClass.name }}
 spec:
-  {{- if .Values.ingressClass.controllerValue }}
-  controller: {{ .Values.ingressClass.controllerValue }}
-  {{- else }}
-  controller: "oliverbaehler.io/{{ include "cloudflare-tunnel-ingress-controller.fullname" $ }}"
-  {{- end }}
+  controller: {{ include "cloudflare-tunnel-ingress-controller.controllerclass" $ }}

pkg/controller/controlled-cloudflared-connector.go

@@ -9,10 +9,8 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/utils/pointer"
 	"sigs.k8s.io/controller-runtime/pkg/client"
-	"sigs.k8s.io/yaml"
 )
 
 func CreateControlledCloudflaredIfNotExist(
@@ -42,18 +40,9 @@ func CreateControlledCloudflaredIfNotExist(
 
 	// When a tunnel is found, compare if the current is deployed
 	if len(list.Items) > 0 {
-		deployment.APIVersion = "apps/v1"
-		deployment.Kind = "Deployment"
-		patchBytes, err := yaml.Marshal(deployment)
+		err := kubeClient.Update(ctx, deployment)
 		if err != nil {
-			return errors.Wrap(err, "marshal deployment for patch")
-		}
-
-		err = kubeClient.Patch(ctx, deployment, client.RawPatch(types.ApplyPatchType, patchBytes), &client.PatchOptions{
-			FieldManager: "cloudflare-controller",
-		})
-		if err != nil {
-			return errors.Wrap(err, "patch controlled-cloudflared-connector deployment")
+			return errors.Wrap(err, "update controlled-cloudflared-connector deployment")
 		}
 	} else {
 		err = kubeClient.Create(ctx, deployment)

pkg/controller/finalizer.go

@@ -0,0 +1,38 @@
+package controller
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	networkingv1 "k8s.io/api/networking/v1"
+)
+
+const IngressControllerFinalizer = "strrl.dev/cloudflare-tunnel-ingress-controller-controlled"
+
+func (i *IngressController) hasFinalizer(ctx context.Context, ingress networkingv1.Ingress) bool {
+	return stringSliceContains(ingress.Finalizers, IngressControllerFinalizer)
+}
+
+func (i *IngressController) attachFinalizer(ctx context.Context, ingress networkingv1.Ingress) error {
+	if stringSliceContains(ingress.Finalizers, IngressControllerFinalizer) {
+		return nil
+	}
+	ingress.Finalizers = append(ingress.Finalizers, IngressControllerFinalizer)
+	err := i.kubeClient.Update(ctx, &ingress)
+	if err != nil {
+		return errors.Wrapf(err, "attach finalizer for %s/%s", ingress.Namespace, ingress.Name)
+	}
+	return nil
+}
+
+func (i *IngressController) cleanFinalizer(ctx context.Context, ingress networkingv1.Ingress) error {
+	if !stringSliceContains(ingress.Finalizers, IngressControllerFinalizer) {
+		return nil
+	}
+	ingress.Finalizers = removeStringFromSlice(ingress.Finalizers, IngressControllerFinalizer)
+	err := i.kubeClient.Update(ctx, &ingress)
+	if err != nil {
+		return errors.Wrapf(err, "clean finalizer for %s/%s", ingress.Namespace, ingress.Name)
+	}
+	return nil
+}

pkg/controller/ingress-controller.go

@@ -18,7 +18,6 @@ import (
 var _ reconcile.Reconciler = &IngressController{}
 
 const WellKnownIngressAnnotation = "kubernetes.io/ingress.class"
-const IngressControllerFinalizer = "strrl.dev/cloudflare-tunnel-ingress-controller-controlled"
 
 type IngressController struct {
 	logger              logr.Logger
@@ -48,7 +47,7 @@ func (i *IngressController) Reconcile(ctx context.Context, request reconcile.Req
 	}
 
 	if !controlled {
-		i.logger.V(1).Info("ingress is NOT controlled by this controller",
+		i.logger.Info("ingress is NOT controlled by this controller",
 			"ingress", request.NamespacedName,
 			"controlled-ingress-class", i.ingressClassName,
 			"controlled-controller-class", i.controllerClassName,
@@ -66,9 +65,22 @@ func (i *IngressController) Reconcile(ctx context.Context, request reconcile.Req
 
 	i.logger.Info("update cloudflare tunnel config", "triggered-by", request.NamespacedName)
 
-	err = i.attachFinalizer(ctx, *(origin.DeepCopy()))
-	if err != nil {
-		return reconcile.Result{}, errors.Wrapf(err, "attach finalizer to ingress %s", request.NamespacedName)
+	if origin.DeletionTimestamp == nil {
+		err = i.attachFinalizer(ctx, *(origin.DeepCopy()))
+		if err != nil {
+			return reconcile.Result{}, errors.Wrapf(err, "attach finalizer to ingress %s", request.NamespacedName)
+		}
+	} else {
+		if !i.hasFinalizer(ctx, origin) {
+			i.logger.V(1).Info("ingress is being deleted and already finillized by this controller",
+				"ingress", request.NamespacedName,
+				"controlled-ingress-class", i.ingressClassName,
+				"controlled-controller-class", i.controllerClassName,
+			)
+			return reconcile.Result{
+				Requeue: false,
+			}, nil
+		}
 	}
 
 	ingresses, err := i.listControlledIngresses(ctx)
@@ -112,43 +124,42 @@ func (i *IngressController) isControlledByThisController(ctx context.Context, ta
 		return false, nil
 	}
 
-	controlledIngressClasses, err := i.listControlledIngressClasses(ctx)
+	controlledIngressClassNames, err := i.listControlledIngressClasses(ctx)
 	if err != nil {
 		return false, errors.Wrapf(err, "fetch controlled ingress classes with controller name %s", i.controllerClassName)
 	}
 
-	var controlledIngressClassNames []string
-	for _, controlledIngressClass := range controlledIngressClasses {
-		controlledIngressClassNames = append(controlledIngressClassNames, controlledIngressClass.Name)
-	}
-
 	if stringSliceContains(controlledIngressClassNames, *target.Spec.IngressClassName) {
 		return true, nil
 	}
 
 	return false, nil
 }
 
-func (i *IngressController) listControlledIngressClasses(ctx context.Context) ([]networkingv1.IngressClass, error) {
+func (i *IngressController) listControlledIngressClasses(ctx context.Context) ([]string, error) {
 	list := networkingv1.IngressClassList{}
 	err := i.kubeClient.List(ctx, &list)
 	if err != nil {
 		return nil, errors.Wrap(err, "list ingress classes")
 	}
-	return list.Items, nil
+
+	var controlledNames []string
+	for _, ingressClass := range list.Items {
+		// Check if the IngressClass is controlled by the specified controller
+		if ingressClass.Spec.Controller == i.controllerClassName {
+			controlledNames = append(controlledNames, ingressClass.Name)
+		}
+	}
+
+	return controlledNames, nil
 }
 
 func (i *IngressController) listControlledIngresses(ctx context.Context) ([]networkingv1.Ingress, error) {
-	controlledIngressClasses, err := i.listControlledIngressClasses(ctx)
+	controlledIngressClassNames, err := i.listControlledIngressClasses(ctx)
 	if err != nil {
 		return nil, errors.Wrapf(err, "fetch controlled ingress classes with controller name %s", i.controllerClassName)
 	}
 
-	var controlledIngressClassNames []string
-	for _, controlledIngressClass := range controlledIngressClasses {
-		controlledIngressClassNames = append(controlledIngressClassNames, controlledIngressClass.Name)
-	}
-
 	var result []networkingv1.Ingress
 	list := networkingv1.IngressList{}
 	err = i.kubeClient.List(ctx, &list)
@@ -177,30 +188,6 @@ func (i *IngressController) listControlledIngresses(ctx context.Context) ([]netw
 	return result, nil
 }
 
-func (i *IngressController) attachFinalizer(ctx context.Context, ingress networkingv1.Ingress) error {
-	if stringSliceContains(ingress.Finalizers, IngressControllerFinalizer) {
-		return nil
-	}
-	ingress.Finalizers = append(ingress.Finalizers, IngressControllerFinalizer)
-	err := i.kubeClient.Update(ctx, &ingress)
-	if err != nil {
-		return errors.Wrapf(err, "attach finalizer for %s/%s", ingress.Namespace, ingress.Name)
-	}
-	return nil
-}
-
-func (i *IngressController) cleanFinalizer(ctx context.Context, ingress networkingv1.Ingress) error {
-	if !stringSliceContains(ingress.Finalizers, IngressControllerFinalizer) {
-		return nil
-	}
-	ingress.Finalizers = removeStringFromSlice(ingress.Finalizers, IngressControllerFinalizer)
-	err := i.kubeClient.Update(ctx, &ingress)
-	if err != nil {
-		return errors.Wrapf(err, "clean finalizer for %s/%s", ingress.Namespace, ingress.Name)
-	}
-	return nil
-}
-
 func removeStringFromSlice(finalizers []string, finalizer string) []string {
 	var result []string
 	for _, f := range finalizers {