minio/cmd/signals.go
Shubhendu 6224849fd1
Dont start console service if MINIO_BROWSER=off (#20374)
By default, even if MINIO_BROWSER=off set code tries to get free
port available for the console. 

Signed-off-by: Shubhendu Ram Tripathi <shubhendu@minio.io>
2024-09-04 10:02:39 -07:00

126 lines
3.2 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"errors"
"net/http"
"os"
"strings"
"time"
"github.com/coreos/go-systemd/v22/daemon"
"github.com/minio/minio/internal/logger"
)
func shutdownHealMRFWithTimeout() {
const shutdownTimeout = time.Minute
finished := make(chan struct{})
go func() {
globalMRFState.shutdown()
close(finished)
}()
select {
case <-time.After(shutdownTimeout):
case <-finished:
}
}
func handleSignals() {
// Custom exit function
exit := func(success bool) {
if globalLoggerOutput != nil {
globalLoggerOutput.Close()
}
// If global profiler is set stop before we exit.
globalProfilerMu.Lock()
defer globalProfilerMu.Unlock()
for _, p := range globalProfiler {
p.Stop()
}
if success {
os.Exit(0)
}
os.Exit(1)
}
stopProcess := func() bool {
shutdownHealMRFWithTimeout() // this can take time sometimes, it needs to be executed
// before stopping s3 operations
// send signal to various go-routines that they need to quit.
cancelGlobalContext()
if httpServer := newHTTPServerFn(); httpServer != nil {
if err := httpServer.Shutdown(); err != nil && !errors.Is(err, http.ErrServerClosed) {
shutdownLogIf(context.Background(), err)
}
}
if objAPI := newObjectLayerFn(); objAPI != nil {
shutdownLogIf(context.Background(), objAPI.Shutdown(context.Background()))
}
if globalBrowserEnabled {
if srv := newConsoleServerFn(); srv != nil {
shutdownLogIf(context.Background(), srv.Shutdown())
}
}
if globalEventNotifier != nil {
globalEventNotifier.RemoveAllBucketTargets()
}
return true
}
for {
select {
case err := <-globalHTTPServerErrorCh:
shutdownLogIf(context.Background(), err)
exit(stopProcess())
case osSignal := <-globalOSSignalCh:
logger.Info("Exiting on signal: %s", strings.ToUpper(osSignal.String()))
daemon.SdNotify(false, daemon.SdNotifyStopping)
exit(stopProcess())
case signal := <-globalServiceSignalCh:
switch signal {
case serviceRestart:
logger.Info("Restarting on service signal")
daemon.SdNotify(false, daemon.SdNotifyReloading)
stop := stopProcess()
rerr := restartProcess()
if rerr == nil {
daemon.SdNotify(false, daemon.SdNotifyReady)
}
shutdownLogIf(context.Background(), rerr)
exit(stop && rerr == nil)
case serviceStop:
logger.Info("Stopping on service signal")
daemon.SdNotify(false, daemon.SdNotifyStopping)
exit(stopProcess())
}
}
}
}