up2date with networking.k8s.io/v1 and go 1.19

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.11
+FROM golang:1.19
 
 COPY . /src
 

README.md

@@ -22,15 +22,15 @@ resource that will be managed by different controller.
 Install via [Helm](https://www.helm.sh/):
 
 ```sh
-helm install --namespace kube-system --name ingress-merge ./helm
+helm install --namespace kube-system ingress-merge ./helm
 ```
 
 ## Example
 
 Create multiple ingresses & one config map that will provide parameters for the result ingress:
 
 ```yaml
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: foo-ingress
@@ -43,12 +43,15 @@ spec:
     http:
       paths:
       - path: /
+        pathType: Prefix
         backend:
-          serviceName: foo-svc
-          servicePort: 80
+          service:
+            name: foo-svc
+            port: 
+              number: 80
 
 ---
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: bar-ingress
@@ -61,9 +64,12 @@ spec:
     http:
       paths:
       - path: /
+        pathType: Prefix
         backend:
-          serviceName: bar-svc
-          servicePort: 80
+          service:
+            name: bar-svc
+            port: 
+              number: 80
 
 ---
 apiVersion: v1
@@ -91,16 +97,20 @@ spec:
       paths:
       - path: /
         backend:
-          serviceName: bar-svc
-          servicePort: 80
+          service:
+            name: bar-svc
+            port:
+              number: 80
 
   - host: foo.example.com
     http:
       paths:
       - path: /
         backend:
-          serviceName: foo-svc
-          servicePort: 80
+          service:
+            name: foo-svc
+            port:
+              number: 80
 ```
 
 ## Annotations

cmd/ingress-merge/main.go

@@ -9,7 +9,7 @@ import (
 	"syscall"
 
 	"github.com/golang/glog"
-	"github.com/jakubkulhan/ingress-merge"
+	ingress_merge "github.com/jakubkulhan/ingress-merge"
 	"github.com/spf13/cobra"
 )
 

controller.go

@@ -12,8 +12,8 @@ import (
 	"github.com/ghodss/yaml"
 	"github.com/golang/glog"
 	"github.com/pkg/errors"
-	"k8s.io/api/core/v1"
-	extensionsV1beta1 "k8s.io/api/extensions/v1beta1"
+	v1 "k8s.io/api/core/v1"
+	networkingV1 "k8s.io/api/networking/v1"
 	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/client-go/kubernetes"
@@ -80,15 +80,15 @@ func (c *Controller) Run(ctx context.Context) (err error) {
 
 	c.ingressesIndex, c.ingressesInformer = cache.NewIndexerInformer(
 		cache.NewFilteredListWatchFromClient(
-			c.client.ExtensionsV1beta1().RESTClient(),
+			c.client.NetworkingV1().RESTClient(),
 			"ingresses",
 			"",
 			func(options *metaV1.ListOptions) {
 				options.LabelSelector = c.IngressSelector
 				duration := int64(math.MaxInt32)
 				options.TimeoutSeconds = &duration
 			}),
-		&extensionsV1beta1.Ingress{},
+		&networkingV1.Ingress{},
 		0,
 		c,
 		cache.Indexers{},
@@ -162,7 +162,7 @@ func (c *Controller) Run(ctx context.Context) (err error) {
 func (c *Controller) isIgnored(obj interface{}) bool {
 
 	switch object := obj.(type) {
-	case *extensionsV1beta1.Ingress:
+	case *networkingV1.Ingress:
 		for _, val := range c.IngressWatchIgnore {
 			if _, exists := object.Annotations[val]; exists {
 				return true
@@ -211,12 +211,12 @@ func (c *Controller) Process(ctx context.Context) {
 	glog.Infof("Processing ingress resources")
 
 	var (
-		mergeMap = make(map[*v1.ConfigMap][]*extensionsV1beta1.Ingress)
-		orphaned = make(map[string]*extensionsV1beta1.Ingress)
+		mergeMap = make(map[*v1.ConfigMap][]*networkingV1.Ingress)
+		orphaned = make(map[string]*networkingV1.Ingress)
 	)
 
 	for _, ingressIface := range c.ingressesIndex.List() {
-		ingress := ingressIface.(*extensionsV1beta1.Ingress)
+		ingress := ingressIface.(*networkingV1.Ingress)
 
 		ingressClass := ingress.Annotations[IngressClassAnnotation]
 		if ingressClass != c.IngressClass {
@@ -302,13 +302,13 @@ func (c *Controller) Process(ctx context.Context) {
 
 		var (
 			ownerReferences []metaV1.OwnerReference
-			tls             []extensionsV1beta1.IngressTLS
-			rules           []extensionsV1beta1.IngressRule
+			tls             []networkingV1.IngressTLS
+			rules           []networkingV1.IngressRule
 		)
 
 		for _, ingress := range ingresses {
 			ownerReferences = append(ownerReferences, metaV1.OwnerReference{
-				APIVersion: "extensions/v1beta1",
+				APIVersion: "networking.k8s.io/v1",
 				Kind:       "Ingress",
 				Name:       ingress.Name,
 				UID:        ingress.UID,
@@ -338,7 +338,7 @@ func (c *Controller) Process(ctx context.Context) {
 			name        string
 			labels      map[string]string
 			annotations map[string]string
-			backend     *extensionsV1beta1.IngressBackend
+			backend     *networkingV1.IngressBackend
 		)
 
 		if dataName, exists := configMap.Data[NameConfigKey]; exists {
@@ -384,27 +384,27 @@ func (c *Controller) Process(ctx context.Context) {
 			}
 		}
 
-		mergedIngres := &extensionsV1beta1.Ingress{
+		mergedIngres := &networkingV1.Ingress{
 			ObjectMeta: metaV1.ObjectMeta{
 				Namespace:       configMap.Namespace,
 				Name:            name,
 				Labels:          labels,
 				Annotations:     annotations,
 				OwnerReferences: ownerReferences,
 			},
-			Spec: extensionsV1beta1.IngressSpec{
-				Backend: backend,
-				TLS:     tls,
-				Rules:   rules,
+			Spec: networkingV1.IngressSpec{
+				DefaultBackend: backend,
+				TLS:            tls,
+				Rules:          rules,
 			},
 		}
 
 		if existingMergedIngressIface, exists, _ := c.ingressesIndex.Get(mergedIngres); exists {
-			existingMergedIngress := existingMergedIngressIface.(*extensionsV1beta1.Ingress)
+			existingMergedIngress := existingMergedIngressIface.(*networkingV1.Ingress)
 
 			if hasIngressChanged(existingMergedIngress, mergedIngres) {
 				changed = true
-				ret, err := c.client.ExtensionsV1beta1().Ingresses(mergedIngres.Namespace).Update(mergedIngres)
+				ret, err := c.client.NetworkingV1().Ingresses(mergedIngres.Namespace).Update(ctx, mergedIngres, metaV1.UpdateOptions{})
 				if err != nil {
 					glog.Errorf("Could not update ingress [%s/%s]: %v", mergedIngres.Namespace, mergedIngres.Name, err)
 					continue
@@ -417,7 +417,7 @@ func (c *Controller) Process(ctx context.Context) {
 
 		} else {
 			changed = true
-			ret, err := c.client.ExtensionsV1beta1().Ingresses(mergedIngres.Namespace).Create(mergedIngres)
+			ret, err := c.client.NetworkingV1().Ingresses(mergedIngres.Namespace).Create(ctx, mergedIngres, metaV1.CreateOptions{})
 			if err != nil {
 				glog.Errorf("Could not create ingress [%s/%s]: %v", mergedIngres.Namespace, mergedIngres.Name, err)
 				continue
@@ -437,7 +437,7 @@ func (c *Controller) Process(ctx context.Context) {
 			mergedIngres.Status.DeepCopyInto(&ingress.Status)
 
 			changed = true
-			ret, err := c.client.ExtensionsV1beta1().Ingresses(ingress.Namespace).UpdateStatus(ingress)
+			ret, err := c.client.NetworkingV1().Ingresses(ingress.Namespace).UpdateStatus(ctx, ingress, metaV1.UpdateOptions{})
 			if err != nil {
 				glog.Errorf("Could not update status of ingress [%s/%s]: %v", ingress.Namespace, ingress.Name, err)
 				continue
@@ -458,7 +458,7 @@ func (c *Controller) Process(ctx context.Context) {
 
 	for _, ingress := range orphaned {
 		changed = true
-		err := c.client.ExtensionsV1beta1().Ingresses(ingress.Namespace).Delete(ingress.Name, nil)
+		err := c.client.NetworkingV1().Ingresses(ingress.Namespace).Delete(ctx, ingress.Name, metaV1.DeleteOptions{})
 		if err != nil {
 			glog.Errorf("Could not delete ingress [%s/%s]: %v", ingress.Namespace, ingress.Name, err)
 			continue
@@ -474,7 +474,7 @@ func (c *Controller) Process(ctx context.Context) {
 	}
 }
 
-func hasIngressChanged(old, new *extensionsV1beta1.Ingress) bool {
+func hasIngressChanged(old, new *networkingV1.Ingress) bool {
 	if new.Namespace != old.Namespace {
 		return true
 	}

go.mod

@@ -1,37 +1,58 @@
 module github.com/jakubkulhan/ingress-merge
 
+go 1.19
+
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/ghodss/yaml v1.0.0
-	github.com/gogo/protobuf v1.1.1 // indirect
-	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/golang/groupcache v0.0.0-20180924190550-6f2cf27854a4 // indirect
-	github.com/golang/protobuf v1.2.0 // indirect
-	github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c // indirect
-	github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
-	github.com/googleapis/gnostic v0.2.0 // indirect
-	github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 // indirect
-	github.com/hashicorp/golang-lru v0.5.0 // indirect
+	k8s.io/apimachinery v0.25.4
+)
+
+require (
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.5 // indirect
+	github.com/go-openapi/swag v0.19.14 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/json-iterator/go v1.1.5 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
-	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
-	github.com/pkg/errors v0.8.1
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/spf13/cobra v0.0.3
-	github.com/spf13/pflag v1.0.2 // indirect
-	github.com/stretchr/testify v1.2.2 // indirect
-	golang.org/x/crypto v0.0.0-20180910181607-0e37d006457b // indirect
-	golang.org/x/net v0.0.0-20180921000356-2f5d2388922f // indirect
-	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f // indirect
-	golang.org/x/sys v0.0.0-20180920110915-d641721ec2de // indirect
-	golang.org/x/text v0.3.0 // indirect
-	golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
+	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.2.1 // indirect
-	k8s.io/api v0.0.0-20180913155108-f456898a08e4
-	k8s.io/apimachinery v0.0.0-20180621070125-103fd098999d
-	k8s.io/client-go v8.0.0+incompatible
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/klog/v2 v2.70.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 // indirect
+	k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed // indirect
+	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.2.0 // indirect
+)
+
+require (
+	github.com/golang/glog v1.0.0
+	github.com/pkg/errors v0.9.1
+	github.com/spf13/cobra v1.6.1
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/api v0.25.4
+	k8s.io/client-go v0.25.4
 )

helm/templates/01_rbac.yaml

@@ -9,7 +9,7 @@ metadata:
     heritage: {{ .Release.Service }}
     release: {{ .Release.Name }}
 ---
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
   name: {{ include "ingress-merge.fullname" . }}
@@ -28,7 +28,7 @@ rules:
       - list
       - watch
   - apiGroups:
-      - extensions
+      - networking.k8s.io
     resources:
       - ingresses
       - ingresses/status
@@ -41,7 +41,7 @@ rules:
       - patch
       - delete
 ---
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
   name: {{ include "ingress-merge.fullname" . }}

helm/templates/02_deployment.yaml

@@ -1,4 +1,4 @@
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "ingress-merge.fullname" . }}