[lxc-devel] [PATCH] lxc-debian: Add hwaddr handling logic

[Serge Hallyn]

Quoting Stéphane Graber (stgraber at ubuntu.com):
> Signed-off-by: Stéphane Graber <stgraber at ubuntu.com>

Acked-by: Serge E. Hallyn <serge.hallyn at ubuntu.com>

> ---
>  templates/lxc-debian.in | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/templates/lxc-debian.in b/templates/lxc-debian.in
> index 4dd4910..645fe8d 100644
> --- a/templates/lxc-debian.in
> +++ b/templates/lxc-debian.in
> @@ -207,6 +207,13 @@ copy_configuration()
>      hostname=$3
>      arch=$4
>  
> +    # if there is exactly one veth network entry, make sure it has an
> +    # associated hwaddr.
> +    nics=`grep -e '^lxc\.network\.type[ \t]*=[ \t]*veth' $path/config | wc -l`
> +    if [ $nics -eq 1 ]; then
> +        grep -q "^lxc.network.hwaddr" $path/config || sed -i -e "/^lxc\.network\.type[ \t]*=[ \t]*veth/a lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" $path/config
> +    fi
> +
>      grep -q "^lxc.rootfs" $path/config 2>/dev/null || echo "lxc.rootfs = $rootfs" >> $path/config
>      cat <<EOF >> $path/config
>  lxc.tty = 4
> -- 
> 1.8.3.2
> 
> 
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