Failing on KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be defined

Dockerfile

@@ -1,5 +1,7 @@
 FROM golang:1.21-alpine3.18 AS build_deps
 
+ARG GROUP_NAME=api.sthome.net
+
 RUN apk add --no-cache git
 
 WORKDIR /workspace

main.go

@@ -6,6 +6,7 @@ import (
 	"os"
 
 	extapi "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 
 	"github.com/cert-manager/cert-manager/pkg/acme/webhook/apis/acme/v1alpha1"
@@ -13,7 +14,7 @@ import (
 )
 
 const (
-	providerName = "sthome"
+	providerName = "sthome-solver"
 )
 
 var GroupName = os.Getenv("GROUP_NAME")
@@ -44,7 +45,7 @@ type customDNSProviderSolver struct {
 	// 3. uncomment the relevant code in the Initialize method below
 	// 4. ensure your webhook's service account has the required RBAC role
 	//    assigned to it for interacting with the Kubernetes APIs you need.
-	//client kubernetes.Clientset
+	client kubernetes.Clientset
 }
 
 // customDNSProviderConfig is a structure that is used to decode into when
@@ -67,7 +68,7 @@ type customDNSProviderConfig struct {
 	// These fields will be set by users in the
 	// `issuer.spec.acme.dns01.providers.webhook.config` field.
 
-	//Email           string `json:"email"`
+	Email string `json:"email"`
 	//APIKeySecretRef v1alpha1.SecretKeySelector `json:"apiKeySecretRef"`
 }
 
@@ -123,12 +124,12 @@ func (c *customDNSProviderSolver) Initialize(kubeClientConfig *rest.Config, stop
 	///// UNCOMMENT THE BELOW CODE TO MAKE A KUBERNETES CLIENTSET AVAILABLE TO
 	///// YOUR CUSTOM DNS PROVIDER
 
-	//cl, err := kubernetes.NewForConfig(kubeClientConfig)
-	//if err != nil {
-	//	return err
-	//}
-	//
-	//c.client = cl
+	cl, err := kubernetes.NewForConfig(kubeClientConfig)
+	if err != nil {
+		return err
+	}
+
+	c.client = *cl
 
 	///// END OF CODE TO MAKE KUBERNETES CLIENTSET AVAILABLE
 	return nil

main_test.go

@@ -22,13 +22,13 @@ func TestRunsSuite(t *testing.T) {
 	//fixture := acmetest.NewFixture(&customDNSProviderSolver{},
 	//	acmetest.SetResolvedZone(zone),
 	//	acmetest.SetAllowAmbientCredentials(false),
-	//	acmetest.SetManifestPath("testdata/my-custom-solver"),
+	//	acmetest.SetManifestPath("testdata/sthome-solver"),
 	//	acmetest.SetBinariesPath("_test/kubebuilder/bin"),
 	//)
 	solver := sthome.New("59351")
 	fixture := acmetest.NewFixture(solver,
 		acmetest.SetResolvedZone("sthome.net."),
-		acmetest.SetManifestPath("testdata/my-custom-solver"),
+		acmetest.SetManifestPath("testdata/sthome-solver"),
 		acmetest.SetDNSServer("127.0.0.1:59351"),
 		acmetest.SetUseAuthoritative(false),
 	)

sthome/sthome.go

@@ -1,5 +1,4 @@
-// package sthome contains a self-contained sthome of a webhook that passes the cert-manager
-// DNS conformance tests
+// must pass cert-manager DNS conformance tests
 package sthome
 
 import (