50 lines
971 B
Go
50 lines
971 B
Go
// statelocker use used for testing command with a locked state.
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// This will lock the state file at a given path, then wait for a sigal. On
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// SIGINT and SIGTERM the state will be Unlocked before exit.
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package main
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import (
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"io"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/hashicorp/terraform/state"
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)
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func main() {
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if len(os.Args) != 2 {
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log.Fatal(os.Args[0], "statefile")
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}
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s := &state.LocalState{
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Path: os.Args[1],
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}
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err := s.Lock("command test")
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if err != nil {
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io.WriteString(os.Stderr, err.Error())
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return
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}
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// signal to the caller that we're locked
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io.WriteString(os.Stdout, "LOCKED")
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defer func() {
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if err := s.Unlock(); err != nil {
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io.WriteString(os.Stderr, err.Error())
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}
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}()
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
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// timeout after 10 second in case we don't get cleaned up by the test
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select {
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case <-time.After(10 * time.Second):
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case <-c:
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}
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}
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