Quoting Daniel P. Berrange (berrange(a)redhat.com):
On Tue, Jan 24, 2012 at 11:53:38AM -0700, Eric Blake wrote:
> Systemd detects containers based on whether they have
> an environment variable starting with 'container=lxc';
> using a longer name fits the expectations, while also
> allowing detection of who created the container.
>
> Requested by Lennart Poettering, in response to
>
https://bugs.freedesktop.org/show_bug.cgi?id=45175
>
> * src/lxc/lxc_container.c (lxcContainerBuildInitCmd): Add another
> env-var.
> ---
> src/lxc/lxc_container.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index c1ec9c4..70f6908 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -1,5 +1,5 @@
> /*
> - * Copyright (C) 2008-2011 Red Hat, Inc.
> + * Copyright (C) 2008-2012 Red Hat, Inc.
> * Copyright (C) 2008 IBM Corp.
> *
> * lxc_container.c: file description
> @@ -124,6 +124,7 @@ static virCommandPtr lxcContainerBuildInitCmd(virDomainDefPtr
vmDef)
>
> virCommandAddEnvString(cmd, "PATH=/bin:/sbin");
> virCommandAddEnvString(cmd, "TERM=linux");
> + virCommandAddEnvString(cmd, "container=lxc-libvirt");
> virCommandAddEnvPair(cmd, "LIBVIRT_LXC_UUID", uuidstr);
> virCommandAddEnvPair(cmd, "LIBVIRT_LXC_NAME", vmDef->name);
> if (vmDef->os.cmdline)
ACK, I had actually offered to do this before, but at the time
it was though having LIBVIRT_LXC_UUID was fine.
And it still is... right? container= is just deemed prettier?
(just curious)
Oh well.