[libvirt] [PATCH] lxc: export container=lxc-libvirt for systemd

[Serge Hallyn]

Quoting Daniel P. Berrange (berrange at 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.

-serge