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alarm.go
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alarm.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2023 Tencent. 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package inspection
import (
"strconv"
"k8s.io/klog/v2"
kstonev1alpha2 "tkestack.io/kstone/pkg/apis/kstone/v1alpha2"
"tkestack.io/kstone/pkg/clusterprovider"
featureutil "tkestack.io/kstone/pkg/featureprovider/util"
"tkestack.io/kstone/pkg/inspection/metrics"
)
var alarmTypeList = []string{"NOSPACE", "CORRUPT"}
// CollectAlarmList collects the alarms of etcd, and
// transfer them to prometheus metrics
func (c *Server) CollectAlarmList(inspection *kstonev1alpha2.EtcdInspection) error {
namespace, name := inspection.Namespace, inspection.Spec.ClusterName
cluster, clientConfig, err := c.GetEtcdClusterInfo(namespace, name)
defer func() {
if err != nil {
featureutil.IncrFailedInspectionCounter(name, kstonev1alpha2.KStoneFeatureAlarm)
}
}()
if err != nil {
klog.Errorf("load tlsConfig failed, namespace is %s, name is %s, err is %v", namespace, name, err)
return err
}
alarms, err := clusterprovider.GetEtcdAlarms([]string{cluster.Status.ServiceName}, clientConfig)
if err != nil {
return err
}
for _, m := range cluster.Status.Members {
if len(alarms) == 0 {
cleanAllAlarmMetrics(cluster.Name, m.Endpoint)
}
for _, a := range alarms {
if m.MemberId == strconv.FormatUint(a.MemberID, 10) {
labels := map[string]string{
"clusterName": cluster.Name,
"endpoint": m.Endpoint,
"alarmType": a.AlarmType,
}
metrics.EtcdEndpointAlarm.With(labels).Set(1)
}
}
}
return nil
}
// cleanAllAlarmMetrics clear all alarm metrics by cluster
func cleanAllAlarmMetrics(clusterName, endpoint string) {
for _, t := range alarmTypeList {
metrics.EtcdEndpointAlarm.With(map[string]string{
"clusterName": clusterName,
"endpoint": endpoint,
"alarmType": t,
}).Set(0)
}
}