[chef] Re: Getting feedback from waking chef-client daemon

[Adam Jacob < >]

Clever! Thanks for sharing.

Adam

---
Opscode, Inc.
Adam Jacob, Chief Product Officer
T: (206) 619-7151 E: 

 

On Oct 30, 2011, at 10:46 AM, Ash Berlin wrote:

> So I recently upgrade from chef 0.9 to 0.10 and remembered that you can now 
> send the client daemon on USR1 to wake it up and make it do a run.
> 
> Yippie.
> 
> Except that you get no output that it's doing anything: less wonderful.
> 
> So I made a short script that will send a signal then write the output from 
> the log and stop when the run completes:
> 
>  https://gist.github.com/1325982
> 
> (Included in-band at end of email for everyone to lazy to click.)
> 
> Basically its like doing `tail -f $log_file`, but it automatically stops 
> when the chef run does.
> 
> -ash
> 
> __END__
> 
> #!/bin/bash
> set -e
> 
> declare tail_pid
> 
> on_exit() {
>  rm -f $pipe
>  [ -n "$tail_pid" ] && kill $tail_pid
> }
> 
> trap "on_exit" EXIT ERR
> 
> pipe=/tmp/pipe-$$
> mkfifo $pipe
> 
> tail -fn0 /var/log/chef/client.log > $pipe &
> 
> tail_pid=$!
> 
> sudo kill -USR1 $(cat /var/run/chef/client.pid)
> sed -r '/(ERROR: Sleeping for [[:digit:]+] seconds before trying 
> again|INFO: Report handlers complete)$/{q}' $pipe
>