mirror of
https://github.com/minio/minio.git
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94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"errors"
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"net/http"
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"os"
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"strings"
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"github.com/minio/minio/cmd/logger"
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)
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func handleSignals() {
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// Custom exit function
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exit := func(success bool) {
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// If global profiler is set stop before we exit.
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globalProfilerMu.Lock()
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defer globalProfilerMu.Unlock()
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for _, p := range globalProfiler {
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p.Stop()
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}
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if success {
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os.Exit(0)
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}
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os.Exit(1)
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}
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stopProcess := func() bool {
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var err, oerr error
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// send signal to various go-routines that they need to quit.
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cancelGlobalContext()
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if globalNotificationSys != nil {
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globalNotificationSys.RemoveAllRemoteTargets()
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}
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if httpServer := newHTTPServerFn(); httpServer != nil {
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err = httpServer.Shutdown()
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if !errors.Is(err, http.ErrServerClosed) {
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logger.LogIf(context.Background(), err)
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}
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}
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if objAPI := newObjectLayerFn(); objAPI != nil {
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oerr = objAPI.Shutdown(context.Background())
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logger.LogIf(context.Background(), oerr)
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}
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return (err == nil && oerr == nil)
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}
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for {
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select {
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case <-globalHTTPServerErrorCh:
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exit(stopProcess())
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case osSignal := <-globalOSSignalCh:
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logger.Info("Exiting on signal: %s", strings.ToUpper(osSignal.String()))
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exit(stopProcess())
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case signal := <-globalServiceSignalCh:
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switch signal {
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case serviceRestart:
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logger.Info("Restarting on service signal")
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stop := stopProcess()
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rerr := restartProcess()
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logger.LogIf(context.Background(), rerr)
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exit(stop && rerr == nil)
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case serviceStop:
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logger.Info("Stopping on service signal")
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exit(stopProcess())
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}
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}
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}
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}
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