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Re: [libvirt] [PATCH] virt-sanlock-cleanup; Fix augtool usage



On Wed, Aug 28, 2013 at 13:54:29 +0200, Jiri Denemark wrote:
> Surprisingly, augtool get (or print) returns "path = value" while we are
> only interested in the value. We need to remove the "path = " part from
> the augtool's output. The following is an example of the augtool command
> as used in virt-sanlock-cleanup script:
> 
> $ augtool get /files/etc/libvirt/qemu-sanlock.conf/disk_lease_dir
> /files/etc/libvirt/qemu-sanlock.conf/disk_lease_dir = /var/lib/libvirt/sanlock
> ---
>  tools/virt-sanlock-cleanup.in | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/virt-sanlock-cleanup.in b/tools/virt-sanlock-cleanup.in
> index e0e8083..9855f42 100644
> --- a/tools/virt-sanlock-cleanup.in
> +++ b/tools/virt-sanlock-cleanup.in
> @@ -26,7 +26,8 @@ fi
>  
>  LOCKSPACE="__LIBVIRT__DISKS__"
>  
> -LOCKDIR=`augtool print '/files sysconfdir@/libvirt/qemu-sanlock.conf/disk_lease_dir'`
> +LOCKDIR=`augtool get '/files sysconfdir@/libvirt/qemu-sanlock.conf/disk_lease_dir'`
> +LOCKDIR=${LOCKDIR#* = }

I'm not sure if this is a bashism or not but in case it is, we may need
to filter the output with sed instead:

LOCKDIR=`augtool get '/files sysconfdir@/libvirt/qemu-sanlock.conf/disk_lease_dir' \
         | sed -e 's/.* = //'`

Jirka


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