[libvirt] [PATCH] domain: Require <init> for container guests

Daniel P. Berrange berrange at redhat.com
Fri May 13 09:27:57 UTC 2011


On Thu, May 12, 2011 at 05:47:42PM -0400, Cole Robinson wrote:
> Use capabilities to allow a driver to register a default <init> if none
> is specified in the XML. Openvz was already open-coding this to be /sbin/init
> 
> LXC currently falls over if no init is specified, so an explicit error is
> an improvement IMO.
> 
> (Side note: I don't think we can set a default value for LXC. If we use
> /sbin/init but the user doesn't specify a separate root FS for their guest,
> the container will rerun the host's init which can be traumatic :). For
> virt-install I'm thinking of defaulting to /sbin/init if a root FS has
> been specified, otherwise require the user to manually specify <init>)

We could set '/bin/sh' as the default for non-root FS containers.

ACK

Daniel
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