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logging_multiclusterbinding_controller.go
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logging_multiclusterbinding_controller.go
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//go:build !minimal
package controllers
import (
"context"
loggingv1beta1 "github.com/rancher/opni/apis/logging/v1beta1"
"github.com/rancher/opni/pkg/resources"
"github.com/rancher/opni/pkg/resources/multiclusterrolebinding"
"github.com/rancher/opni/pkg/util/k8sutil"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
opsterv1 "opensearch.opster.io/api/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
type LoggingMulticlusterRoleBindingReconciler struct {
client.Client
scheme *runtime.Scheme
}
// +kubebuilder:rbac:groups=logging.opni.io,resources=multiclusterrolebindings,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=logging.opni.io,resources=multiclusterrolebindings/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=logging.opni.io,resources=multiclusterrolebindings/finalizers,verbs=update
// +kubebuilder:rbac:groups=opensearch.opster.io,resources=opensearchclusters,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=opensearch.opster.io,resources=opensearchclusters/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=opensearch.opster.io,resources=opensearchclusters/finalizers,verbs=update
func (r *LoggingMulticlusterRoleBindingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
multiclusterRoleBinding := &loggingv1beta1.MulticlusterRoleBinding{}
err := r.Get(ctx, req.NamespacedName, multiclusterRoleBinding)
if err != nil {
return ctrl.Result{}, client.IgnoreNotFound(err)
}
multiclusterRoleBindingReconciler := multiclusterrolebinding.NewReconciler(ctx, multiclusterRoleBinding, r.Client)
reconcilers := []resources.ComponentReconciler{
multiclusterRoleBindingReconciler.Reconcile,
}
for _, rec := range reconcilers {
op := k8sutil.LoadResult(rec())
if op.ShouldRequeue() {
return op.Result()
}
}
return k8sutil.DoNotRequeue().Result()
}
// SetupWithManager sets up the controller with the Manager.
func (r *LoggingMulticlusterRoleBindingReconciler) SetupWithManager(mgr ctrl.Manager) error {
r.Client = mgr.GetClient()
r.scheme = mgr.GetScheme()
requestMapper := handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
var mcrList loggingv1beta1.MulticlusterRoleBindingList
if err := mgr.GetCache().List(ctx, &mcrList); err != nil {
return nil
}
return reconcileRequestsForOpensearches(mcrList.Items, obj.GetName(), obj.GetNamespace())
})
return ctrl.NewControllerManagedBy(mgr).
For(&loggingv1beta1.MulticlusterRoleBinding{}).
Watches(&opsterv1.OpenSearchCluster{}, requestMapper).
Complete(r)
}
func reconcileRequestsForOpensearches(
mcrs []loggingv1beta1.MulticlusterRoleBinding,
name string,
namespace string,
) (reqs []reconcile.Request) {
for _, mcr := range mcrs {
if mcr.Spec.OpensearchCluster != nil &&
mcr.Spec.OpensearchCluster.Name == name &&
mcr.Spec.OpensearchCluster.Namespace == namespace {
reqs = append(reqs, reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: mcr.Namespace,
Name: mcr.Name,
},
})
}
}
return
}