/
mapper.go
75 lines (64 loc) · 2.42 KB
/
mapper.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 managedresource
import (
"context"
resourcesv1alpha1 "github.com/gardener/gardener/pkg/apis/resources/v1alpha1"
"github.com/gardener/gardener/pkg/controllerutils/mapper"
predicateutils "github.com/gardener/gardener/pkg/controllerutils/predicate"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
type secretToManagedResourceMapper struct {
predicates []predicate.Predicate
}
func (m *secretToManagedResourceMapper) Map(ctx context.Context, _ logr.Logger, reader client.Reader, obj client.Object) []reconcile.Request {
if obj == nil {
return nil
}
secret, ok := obj.(*corev1.Secret)
if !ok {
return nil
}
managedResourceList := &resourcesv1alpha1.ManagedResourceList{}
if err := reader.List(ctx, managedResourceList, client.InNamespace(secret.Namespace)); err != nil {
return nil
}
var requests []reconcile.Request
for _, mr := range managedResourceList.Items {
if !predicateutils.EvalGeneric(&mr, m.predicates...) {
continue
}
for _, secretRef := range mr.Spec.SecretRefs {
if secretRef.Name == secret.Name {
requests = append(requests, reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: mr.Namespace,
Name: mr.Name,
},
})
}
}
}
return requests
}
// SecretToManagedResourceMapper returns a mapper that returns requests for ManagedResources whose
// referenced secrets have been modified.
func SecretToManagedResourceMapper(predicates ...predicate.Predicate) mapper.Mapper {
return &secretToManagedResourceMapper{predicates: predicates}
}