57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 pause
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import (
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"github.com/spf13/cobra"
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)
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// CmdPause is used by agnhost Cobra.
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var CmdPause = &cobra.Command{
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Use: "pause",
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Short: "Pauses the execution",
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Long: `Pauses the execution. Useful for keeping the containers running, so other commands can be executed.`,
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Args: cobra.MaximumNArgs(0),
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Run: pause,
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}
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func pause(cmd *cobra.Command, args []string) {
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fmt.Println("Paused")
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sigCh := make(chan os.Signal, 1)
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done := make(chan int, 1)
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signal.Notify(sigCh, syscall.SIGINT)
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signal.Notify(sigCh, syscall.SIGTERM)
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go func() {
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sig := <-sigCh
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switch sig {
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case syscall.SIGINT:
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done <- 1
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os.Exit(1)
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case syscall.SIGTERM:
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done <- 2
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os.Exit(2)
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}
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}()
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result := <-done
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fmt.Printf("exiting %d\n", result)
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}
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