Well I figured it out. In `application/master.rb` line 142, puppet is
doing `Signal.trap(:INT) ... exit(0)`, which prevents unicorn from
getting the signal and shutting down properly.
Why is this code there? Any reason I shouldn't be heading right over to
the bug tracker and entering in a bug report?
-Patrick
On 2013/20/02 14:14, Patrick wrote:
> So I started running puppet under unicorn, and it works, but there is
> a problem with shutting it down.
> Whenever you send a SIGINT to the master unicorn process, the worker
> processes are left running and listening on the socket until they time
> out and shut themselves down. However if you send it a SIGTERM it
> shuts down fine . The other interesting point is that when you send
> the SIGINT, the process writes out "Canceling startup", which
> indicates that rack never fully started. I'm guessing it's because of
> this that the workers don't get shut down properly.
>
> I wrote a really simple rack app to run under unicorn, and it behaves
> properly with both SIGINT and SIGTERM, so this leads me to believe
> puppet is doing something unusual with rack.
>
> Anyone know why this is occurring? It feels like a bug in puppet, but
> wasn't sure if unicorn was officially supported or not.
>
> Puppet 3.1 with unicorn 4.5.0
>
> -Patrick
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