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cluster_reconciler_watches.go
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cluster_reconciler_watches.go
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// Copyright (c) 2021, and 2022 Cisco and/or its affiliates. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package controllers
import (
"context"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/builder"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
clusterregistryv1alpha1 "github.com/cisco-open/cluster-registry-controller/api/v1alpha1"
)
func (r *ClusterReconciler) watchLocalClustersForConflict(ctx context.Context, b *builder.Builder) {
b.Watches(
&source.Kind{Type: &clusterregistryv1alpha1.Cluster{
TypeMeta: metav1.TypeMeta{
Kind: "Cluster",
APIVersion: clusterregistryv1alpha1.SchemeBuilder.GroupVersion.String(),
},
}},
handler.EnqueueRequestsFromMapFunc(func(object client.Object) []ctrl.Request {
reqs := make([]reconcile.Request, 0)
clusters, err := GetClusters(ctx, r.GetClient())
if err != nil {
r.GetLogger().Error(err, "")
return nil
}
for _, c := range clusters {
nsn := types.NamespacedName{
Name: c.Name,
Namespace: c.Namespace,
}
if c.Status.Type == clusterregistryv1alpha1.ClusterTypeLocal {
reqs = append(reqs, ctrl.Request{
NamespacedName: nsn,
})
}
}
return reqs
}),
builder.WithPredicates(&predicate.Funcs{
GenericFunc: func(event.GenericEvent) bool { return false },
UpdateFunc: func(event.UpdateEvent) bool { return false },
}))
}
func (r *ClusterReconciler) watchClusterRegistrySecrets(ctx context.Context, b *builder.Builder) {
b.Watches(
&source.Kind{Type: &corev1.Secret{
TypeMeta: metav1.TypeMeta{
Kind: "Secret",
APIVersion: corev1.SchemeGroupVersion.String(),
},
}},
handler.EnqueueRequestsFromMapFunc(func(object client.Object) []ctrl.Request {
reqs := make([]reconcile.Request, 0)
if secret, ok := object.(*corev1.Secret); ok {
if secret.Type != clusterregistryv1alpha1.SecretTypeClusterRegistry {
return nil
}
clusters, err := GetClusters(ctx, r.GetClient())
if err != nil {
r.GetLogger().Error(err, "")
return nil
}
for _, c := range clusters {
nsn := types.NamespacedName{
Name: c.Name,
Namespace: c.Namespace,
}
if c.Spec.AuthInfo.SecretRef.Name == secret.Name && c.Spec.AuthInfo.SecretRef.Namespace == secret.Namespace {
reqs = append(reqs, ctrl.Request{
NamespacedName: nsn,
})
}
}
return reqs
}
return nil
}),
)
}