Let's export the 'container' variable and let init receive it
as a kernel command line option.
In the upstart init scripts, we can distinguish if we are in a
container context or not.
===============================================================================
# /dev/console - getty
#
# This service maintains a getty on /dev/console from the point the
# system is started until it is shut down again.
# It only runs in lxc containers.
start on stopped rc RUNLEVEL=[2345]
stop on runlevel [!2345]
env container
pre-start script
[ "x$container" != "xlxc" ] && { stop; exit 0; }
exit 0;
end script
respawn
exec /sbin/getty -8 38400 /dev/console
===============================================================================
Signed-off-by: Daniel Lezcano <[email protected]>
---
src/lxc/lxc_start.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/lxc/lxc_start.c b/src/lxc/lxc_start.c
index 661764a..4f3d964 100644
--- a/src/lxc/lxc_start.c
+++ b/src/lxc/lxc_start.c
@@ -117,6 +117,11 @@ int main(int argc, char *argv[])
my_args.progname, my_args.quiet))
return err;
+ if (putenv("container=lxc")) {
+ SYSERROR("failed to set environment variable");
+ return err;
+ }
+
/* rcfile is specified in the cli option */
if (my_args.rcfile)
rcfile = (char *)my_args.rcfile;
--
1.7.1
------------------------------------------------------------------------------
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