On Tue, 2010-01-26 at 00:42 +0100, Daniel Lezcano wrote:
> I trick I just found:
>
> while $(true); do
> inotifywait /var/lib/lxc/debian/rootfs/var/run/utmp;
> if [ "$(wc -l /cgroup/debian/tasks | awk '{ print $1 }')" = "1" ]; then
> lxc-stop -n debian
> fi;
> done> This command can stay always there and it will trigger a lxc-stop when > the container remains with 1 process. > No polling and immediate :) > At the first glance, it seems to work well, but of course not compatible > with upstart. Oh BABY! I like. I like mucho! I've just cobbled together an "lcx-waiton-init" script that incorporates that. After starting a container, running that script will monitor the container and, if it reboots it, restart the container and continue monitoring it, with a new log file (my peculiarity). If it halts, it shuts the container down and terminates. It adds a double quiet option and a timeout option to the inotifywait just in case. I'm going to integrate that into my own startup wrapper scripts so it runs automatically when a container is started. Mui Bien! Gracias! Attached. Mike -- Michael H. Warfield (AI4NB) | (770) 985-6132 | m...@wittsend.com /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/ NIC whois: MHW9 | An optimist believes we live in the best of all PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it!
lxc-waiton-init
Description: application/shellscript
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