Travis Nielsen
e56c68c9e9
The operator namespace is not used in the StartOperatorSettingsWatch() method. Instead, the method looks up the namespace from the POD_NAMESPACE env var. Signed-off-by: Travis Nielsen <tnielsen@redhat.com>
69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
/*
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Copyright 2020 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 cluster to manage a Ceph cluster.
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package cluster
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import (
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"os"
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"reflect"
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opcontroller "github.com/rook/rook/pkg/operator/ceph/controller"
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"github.com/rook/rook/pkg/operator/k8sutil"
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v1 "k8s.io/api/core/v1"
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)
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// StartOperatorSettingsWatch starts the operator settings watcher
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func (c *ClusterController) StartOperatorSettingsWatch(stopCh chan struct{}) {
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operatorNamespace := os.Getenv(k8sutil.PodNamespaceEnvVar)
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// watch for "rook-ceph-operator-config" ConfigMap
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k8sutil.StartOperatorSettingsWatch(c.context, operatorNamespace, opcontroller.OperatorSettingConfigMapName,
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c.operatorConfigChange,
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func(oldObj, newObj interface{}) {
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if reflect.DeepEqual(oldObj, newObj) {
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return
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}
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c.operatorConfigChange(newObj)
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}, nil, stopCh)
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}
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// StopWatch stop watchers
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func (c *ClusterController) StopWatch() {
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for _, cluster := range c.clusterMap {
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// check channel is open before closing
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if !cluster.closedStopCh {
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close(cluster.stopCh)
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cluster.closedStopCh = true
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}
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}
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c.clusterMap = make(map[string]*cluster)
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}
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func (c *ClusterController) operatorConfigChange(obj interface{}) {
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cm, ok := obj.(*v1.ConfigMap)
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if !ok {
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logger.Warningf("Expected ConfigMap but handler received %T. %#v", obj, obj)
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return
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}
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logger.Infof("ConfigMap %q changes detected. Updating configurations", cm.Name)
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for _, callback := range c.operatorConfigCallbacks {
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if err := callback(); err != nil {
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logger.Errorf("%v", err)
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}
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}
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}
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