mirror of
https://github.com/prometheus/alertmanager
synced 2024-12-11 17:06:22 +00:00
119 lines
3.4 KiB
Go
119 lines
3.4 KiB
Go
// Copyright 2013 Prometheus Team
|
|
// 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 main
|
|
|
|
import (
|
|
"flag"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/golang/glog"
|
|
|
|
"github.com/prometheus/alertmanager/config"
|
|
"github.com/prometheus/alertmanager/manager"
|
|
"github.com/prometheus/alertmanager/web"
|
|
"github.com/prometheus/alertmanager/web/api"
|
|
)
|
|
|
|
var (
|
|
configFile = flag.String("config.file", "alertmanager.conf", "Alert Manager configuration file name.")
|
|
silencesFile = flag.String("silences.file", "silences.json", "Silence storage file name.")
|
|
minRefreshPeriod = flag.Duration("alerts.min-refresh-period", 5*time.Minute, "Minimum required alert refresh period before an alert is purged.")
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
versionInfoTmpl.Execute(os.Stdout, BuildInfo)
|
|
|
|
conf := config.MustLoadFromFile(*configFile)
|
|
|
|
silencer := manager.NewSilencer()
|
|
defer silencer.Close()
|
|
|
|
err := silencer.LoadFromFile(*silencesFile)
|
|
if err != nil {
|
|
glog.Warning("Couldn't load silences, starting up with empty silence list: ", err)
|
|
}
|
|
saveSilencesTicker := time.NewTicker(10 * time.Second)
|
|
go func() {
|
|
for _ = range saveSilencesTicker.C {
|
|
if err := silencer.SaveToFile(*silencesFile); err != nil {
|
|
glog.Error("Error saving silences to file: ", err)
|
|
}
|
|
}
|
|
}()
|
|
defer saveSilencesTicker.Stop()
|
|
|
|
notifier := manager.NewNotifier(conf.NotificationConfig)
|
|
defer notifier.Close()
|
|
|
|
inhibitor := new(manager.Inhibitor)
|
|
inhibitor.SetInhibitRules(conf.InhibitRules())
|
|
|
|
options := &manager.MemoryAlertManagerOptions{
|
|
Inhibitor: inhibitor,
|
|
Silencer: silencer,
|
|
Notifier: notifier,
|
|
MinRefreshInterval: *minRefreshPeriod,
|
|
}
|
|
alertManager := manager.NewMemoryAlertManager(options)
|
|
alertManager.SetAggregationRules(conf.AggregationRules())
|
|
go alertManager.Run()
|
|
|
|
// Web initialization.
|
|
flags := map[string]string{}
|
|
flag.VisitAll(func(f *flag.Flag) {
|
|
flags[f.Name] = f.Value.String()
|
|
})
|
|
|
|
statusHandler := &web.StatusHandler{
|
|
Config: conf.String(),
|
|
Flags: flags,
|
|
BuildInfo: BuildInfo,
|
|
Birth: time.Now(),
|
|
}
|
|
|
|
webService := &web.WebService{
|
|
// REST API Service.
|
|
AlertManagerService: &api.AlertManagerService{
|
|
Manager: alertManager,
|
|
Silencer: silencer,
|
|
},
|
|
|
|
// Template-based page handlers.
|
|
AlertsHandler: &web.AlertsHandler{
|
|
Manager: alertManager,
|
|
IsSilencedInterrogator: silencer,
|
|
},
|
|
SilencesHandler: &web.SilencesHandler{
|
|
Silencer: silencer,
|
|
},
|
|
StatusHandler: statusHandler,
|
|
}
|
|
go webService.ServeForever()
|
|
|
|
// React to configuration changes.
|
|
watcher := config.NewFileWatcher(*configFile)
|
|
go watcher.Watch(func(conf *config.Config) {
|
|
inhibitor.SetInhibitRules(conf.InhibitRules())
|
|
notifier.SetNotificationConfigs(conf.NotificationConfig)
|
|
alertManager.SetAggregationRules(conf.AggregationRules())
|
|
statusHandler.UpdateConfig(conf.String())
|
|
})
|
|
|
|
glog.Info("Running notification dispatcher...")
|
|
notifier.Dispatch()
|
|
}
|