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agent: log differnt shutdown stages 

Log the different code paths during shutdown.
This commit is contained in:
Frank Schroeder 2017-06-07 13:11:04 +02:00
parent 9224daf585
commit 46c055d57b
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GPG Key ID: 4D65C6EAEC87DECD
1 changed files with 5 additions and 1 deletions
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6
command/agent/command.go
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@ -800,6 +800,7 @@ func (cmd *Command) Run(args []string) int {
graceful := (sig == os.Interrupt && !(*config.SkipLeaveOnInt)) || (sig == syscall.SIGTERM && (*config.LeaveOnTerm))
if !graceful {
cmd.UI.Output("Graceful shutdown disabled. Exiting")
return 1
}
@ -807,7 +808,7 @@ func (cmd *Command) Run(args []string) int {
gracefulCh := make(chan struct{})
go func() {
if err := agent.Leave(); err != nil {
cmd.UI.Error(fmt.Sprintf("Error: %s", err))
cmd.UI.Error(fmt.Sprintf("Error on leave: %s", err))
return
}
close(gracefulCh)
@ -816,10 +817,13 @@ func (cmd *Command) Run(args []string) int {
gracefulTimeout := 5 * time.Second
select {
case <-signalCh:
cmd.UI.Output(fmt.Sprintf("Caught second signal: %v. Exiting", sig))
return 1
case <-time.After(gracefulTimeout):
cmd.UI.Output("Timeout on graceful leave. Exiting")
return 1
case <-gracefulCh:
cmd.UI.Output("Graceful exit completed")
return 0
}
}