forked from rook/rook
78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
/*
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Copyright 2021 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package operator to manage Kubernetes storage.
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package operator
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import (
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"context"
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"github.com/rook/rook/pkg/operator/ceph/controller"
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v1 "k8s.io/api/core/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/event"
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"sigs.k8s.io/controller-runtime/pkg/predicate"
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)
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// predicateController is the predicate function to trigger reconcile on operator configuration cm change
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func predicateController(ctx context.Context, client client.Client) predicate.Funcs {
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return predicate.Funcs{
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CreateFunc: func(e event.CreateEvent) bool {
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if cm, ok := e.Object.(*v1.ConfigMap); ok {
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return cm.Name == controller.OperatorSettingConfigMapName
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}
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return false
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},
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UpdateFunc: func(e event.UpdateEvent) bool {
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if old, ok := e.ObjectOld.(*v1.ConfigMap); ok {
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if new, ok := e.ObjectNew.(*v1.ConfigMap); ok {
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if old.Name == controller.OperatorSettingConfigMapName && new.Name == controller.OperatorSettingConfigMapName {
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if old.Data["ROOK_CURRENT_NAMESPACE_ONLY"] != new.Data["ROOK_CURRENT_NAMESPACE_ONLY"] {
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logger.Debug("ROOK_CURRENT_NAMESPACE_ONLY config updated, reloading the manager")
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controller.ReloadManager()
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// No need to ask for reconciliation since the context is going to be terminated when
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// the signal is caught and the reconcile will run when the controller starts.
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return false
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}
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// We still want to reconcile the operator manager if the configmap is updated
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return true
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}
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}
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}
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return false
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},
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DeleteFunc: func(e event.DeleteEvent) bool {
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if cm, ok := e.Object.(*v1.ConfigMap); ok {
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if cm.Name == controller.OperatorSettingConfigMapName {
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logger.Debug("operator configmap deleted, not reconciling")
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return false
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}
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}
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return false
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},
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GenericFunc: func(e event.GenericEvent) bool {
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return false
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},
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}
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}
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