40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
/*
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Copyright 2018 the Velero contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package signals
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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"github.com/sirupsen/logrus"
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)
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// CancelOnShutdown starts a goroutine that will call cancelFunc when
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// either SIGINT or SIGTERM is received
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func CancelOnShutdown(cancelFunc context.CancelFunc, logger logrus.FieldLogger) {
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-sigs
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logger.Infof("Received signal %s, shutting down", sig)
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cancelFunc()
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}()
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}
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