forked from openshift/hypershift
/
setup.go
57 lines (52 loc) · 1.92 KB
/
setup.go
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package openshiftapiservermonitor
import (
"context"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/cache"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/source"
"github.com/openshift/hypershift/hosted-cluster-config-operator/controllers"
"github.com/openshift/hypershift/hosted-cluster-config-operator/operator"
)
func Setup(cfg *operator.HostedClusterConfigOperatorConfig) error {
apiextClient, err := apiextensionsclient.NewForConfig(cfg.TargetConfig())
if err != nil {
return err
}
crdInformer := cache.NewSharedIndexInformer(
&cache.ListWatch{
ListFunc: func(opt metav1.ListOptions) (runtime.Object, error) {
return apiextClient.CustomResourceDefinitions().List(context.TODO(), opt)
},
WatchFunc: func(opt metav1.ListOptions) (watch.Interface, error) {
return apiextClient.CustomResourceDefinitions().Watch(context.TODO(), opt)
},
},
&apiextensionsv1.CustomResourceDefinition{},
controllers.DefaultResync,
cache.Indexers{},
)
cfg.Manager().Add(manager.RunnableFunc(func(ctx context.Context) error {
crdInformer.Run(ctx.Done())
return nil
}))
reconciler := &OpenshiftAPIServerMonitor{
KubeClient: cfg.KubeClient(),
Namespace: cfg.Namespace(),
Log: cfg.Logger().WithName("OpenshiftAPIServerMonitor"),
}
c, err := controller.New("openshift-apiserver-monitor", cfg.Manager(), controller.Options{Reconciler: reconciler})
if err != nil {
return err
}
if err := c.Watch(&source.Informer{Informer: crdInformer}, &handler.EnqueueRequestForObject{}); err != nil {
return err
}
return nil
}