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main.go
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main.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package main
import (
"flag"
"os"
"os/signal"
"syscall"
"github.com/mattermost/mattermost-mattermod/metrics"
"github.com/mattermost/mattermost-mattermod/server"
"github.com/mattermost/mattermost-server/v6/shared/mlog"
"github.com/robfig/cron/v3"
)
var (
configFile string
)
func init() {
flag.StringVar(&configFile, "config", "config-mattermod.json", "")
}
func main() {
flag.Parse()
config, err := server.GetConfig(configFile)
if err != nil {
mlog.Error("unable to load server config", mlog.Err(err), mlog.String("file", configFile))
return
}
if err = server.SetupLogging(config); err != nil {
mlog.Error("unable to configure logging", mlog.Err(err))
return
}
// Metrics system
metricsProvider := metrics.NewPrometheusProvider()
metricsServer := metrics.NewServer(config.MetricsServerPort, metricsProvider.Handler(), true)
metricsServer.Start()
defer metricsServer.Stop()
mlog.Info("Loaded config", mlog.String("filename", configFile))
s, err := server.New(config, metricsProvider)
if err != nil {
mlog.Error("unable to start server", mlog.Err(err))
return
}
mlog.Info("Starting Mattermod Server")
s.Start()
c := cron.New()
_, err = c.AddFunc("10 2 * * *", s.RefreshMembers)
if err != nil {
mlog.Error("failed adding RefreshMembers cron", mlog.Err(err))
}
c.Start()
defer func() {
mlog.Info("Stopping Mattermod Server")
c.Stop()
if err2 := s.Stop(); err2 != nil {
mlog.Error("error while shutting down server", mlog.Err(err2))
os.Exit(1)
}
}()
sig := make(chan os.Signal, 1)
signal.Notify(sig, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
<-sig
mlog.Info("Stopped Mattermod Server")
}