[libvirt] [PATCH] network: detect conflicting route even if it is the final entry
Eric Blake
eblake at redhat.com
Mon Sep 15 17:56:53 UTC 2014
On 09/15/2014 11:34 AM, Laine Stump wrote:
> This is a folloup to commit 5f719596, which checks for a route
> conflicting with the standard libvirt default network subnet
> (192.168.122.0/24). It turns out that the output of "ip route show"
> doesn't have a trailing newline,
Well, 'ip' outputs the trailing newline, but $() strips it.
> so there would be no match if the
> route we were looking for was the final line of output. This can be
> solved by adding ${nl} to the end of the output (just as we were
> already doing at the beginning of the output).
> ---
> libvirt.spec.in | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
ACK, and sorry for missing it the first time
> diff --git a/libvirt.spec.in b/libvirt.spec.in
> index c2e2be4..bec3a50 100644
> --- a/libvirt.spec.in
> +++ b/libvirt.spec.in
> @@ -1737,7 +1737,7 @@ if test $1 -eq 1 && test ! -f %{_sysconfdir}/libvirt/qemu/networks/default.xml ;
> sub=${orig_sub}
> nl='
> '
> - routes="${nl}$(ip route show | cut -d' ' -f1)"
> + routes="${nl}$(ip route show | cut -d' ' -f1)${nl}"
> case ${routes} in
> *"${nl}192.168.${orig_sub}.0/24${nl}"*)
> # there was a match, so we need to look for an unused subnet
>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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