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Add check required crds #686

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Add check required crds #686

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53 changes: 52 additions & 1 deletion cmd/aws-application-networking-k8s/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,15 @@ package main

import (
"flag"
"fmt"
"os"
gwv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
"strings"

"github.com/aws/aws-application-networking-k8s/pkg/webhook"
"github.com/go-logr/zapr"
"go.uber.org/zap/zapcore"
k8swebhook "sigs.k8s.io/controller-runtime/pkg/webhook"
gwv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"

"github.com/aws/aws-application-networking-k8s/pkg/aws"
"github.com/aws/aws-application-networking-k8s/pkg/utils/gwlog"
Expand All @@ -45,6 +46,7 @@ import (
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/external-dns/endpoint"
gwv1 "sigs.k8s.io/gateway-api/apis/v1"

//+kubebuilder:scaffold:imports
anv1alpha1 "github.com/aws/aws-application-networking-k8s/pkg/apis/applicationnetworking/v1alpha1"
"github.com/aws/aws-application-networking-k8s/pkg/config"
Expand Down Expand Up @@ -92,6 +94,51 @@ func addOptionalCRDs(scheme *runtime.Scheme) {
metav1.AddToGroupVersion(scheme, groupVersion)
}

func checkRequiredCRDs(mgr ctrl.Manager) error {
// Add or update the required CRDs when new CRDs are added to the project
requiredCRDs := []schema.GroupVersionKind{
{
Group: gwv1.GroupVersion.Group,
Version: gwv1.GroupVersion.Version,
Kind: "Gateway",
},
{
Group: gwv1.GroupVersion.Group,
Version: gwv1.GroupVersion.Version,
Kind: "GatewayClass",
},
{
Group: gwv1.GroupVersion.Group,
Version: gwv1.GroupVersion.Version,
Kind: "HTTPRoute",
},
{
Group: gwv1.GroupVersion.Group,
Version: gwv1.GroupVersion.Version,
Kind: "GRPCRoute",
},
{
Group: gwv1alpha2.GroupVersion.Group,
Version: gwv1alpha2.GroupVersion.Version,
Kind: "TLSRoute",
},
}
missingCRDs := make([]string, 0, len(requiredCRDs))
for _, crd := range requiredCRDs {
ok, err := k8s.IsGVKSupported(mgr, crd.GroupVersion().String(), crd.Kind)
if err != nil {
return fmt.Errorf("error checking required CRD %s: %w", crd, err)
}
if !ok {
missingCRDs = append(missingCRDs, crd.String())
}
}
if len(missingCRDs) > 0 {
return fmt.Errorf("missing required CRDs: %s", strings.Join(missingCRDs, ", "))
}
return nil
}

func main() {
var metricsAddr string
var enableLeaderElection bool
Expand Down Expand Up @@ -164,6 +211,10 @@ func main() {
setupLog.Fatal("manager setup failed:", err)
}

if err := checkRequiredCRDs(mgr); err != nil {
setupLog.Fatal("required CRDs check failed:", err)
}

if enableWebhook {
logger := log.Named("pod-readiness-gate-injector")
readinessGateInjector := webhook.NewPodReadinessGateInjector(
Expand Down