[DRBD-user] DRBD 9 Fencing Bug with pacemaker-2.0.2

[Roland Kammerer]

On Fri, Feb 28, 2020 at 08:58:30AM +0000, Martin KOECKINGER wrote:
> Hello,
> 
> we found a bug in the fencing script "/usr/lib/drbd/crm-fence-peer.9.sh" regarding pacemaker 2.0.2. I used DRBD-utils-9.12.0.
> 
> In the function "fence_peer_init" is the following command (in our version its line 203):
>                 : ${master_id=$(set +x; echo "$cib_xml" |
>                                sed -ne '/<master /,/<\/master>/ {
>                                                    /<master / h;
>                                                     /<primitive/,/<\/primitive/ {
>                                                       /<instance_attributes/,/<\/instance_attributes/ {
>                                                                /<nvpair .*\bname="drbd_resource"/ {
>                                                                   /.*\bvalue="'"$DRBD_RESOURCE"'"/! d
>                                                                   x
>                                                                   s/^.*\bid="\([^"]*\)".*/\1/p
>                                                                   q
>                                                                };};};}')}
> 
> This "sed" command does no longer work, cause the cib.xml structure in pacemaker 2.0.2 is different. It looks like the section "<master" was renamed to "<clone". In my case the following change did fix the issue:
>                 : ${master_id=$(set +x; echo "$cib_xml" |
>                                sed -ne '/<clone /,/<\/clone>/ {
>                                                    /<clone / h;
>                                                     /<primitive/,/<\/primitive/ {
>                                                       /<instance_attributes/,/<\/instance_attributes/ {
>                                                                /<nvpair .*\bname="drbd_resource"/ {
>                                                                   /.*\bvalue="'"$DRBD_RESOURCE"'"/! d
>                                                                   x
>                                                                   s/^.*\bid="\([^"]*\)".*/\1/p
>                                                                   q
>                                                                };};};}')}
> 
> I hope this info is helpful for others running in the same issue and maybe someone can create a fix for the next release?

Guess this was fixed in the meantime by Lars,

can you check if that works for you/is actually the same:

https://github.com/LINBIT/drbd-utils/commit/fd2eec6eca91e3d4d24852b5bac4dd61f9854e67

Best, rck