Hi Jan, 2016-02-10 16:04 GMT+01:00 Jan Pokorný <[email protected]>: > On 10/02/16 15:20 +0100, Stanislav Kopp wrote: >> I have general, clarification question about how fence agents work >> with pacemaker (crmsh in particular). As far I understood STDIN >> arguments can be used within pacemaker resources and command line >> arguments in terminal (for testing and scripting?). > > Fencing scripts from fence-agents package support both kinds of input; > Pacemaker will pass the arguments (de facto attributes/parameters of > the particular stonith resource as specified in CIB via tools like > crmsh + some fence-agents API specific parameters like "action", but > user-provided values always take precedence when configured) by piping > them into the running script, but there is no reason you could not do > the same from terminal, e.g.: > > # /usr/sbin/fence_pve <<EOF > action=reboot > ipaddr=... > [...] > EOF > > (note the verbatim newlines)
Thanks for clarification, it's much clearer now. >> I have "fence_pve" [1] agent which works fine with command line >> arguments, but not with pacemaker, it says some parameters like >> "passwd" or "login" does not exist, > > Can you fully specify "it" in the previous sentence, please? > Or even better, can you mimic what Pacemaker pumps into the agent > per the example above? > > There may be a bug in interaction between fence_pve implementation > and the fencing library, which does the heavy lifting behind the scenes. this is my definition of "stonith" resource ################################################## primitive stonith-pm2-ha stonith:external/fence_pve \ params ipaddr="192.168.122.7" params login="root@pam" passwd="secret" port="101" action="off" \ op start interval="0" timeout="60s" \ meta target-role="Started" is-managed="true" location loc_stonith-pm2-ha stonith-pm2-ha -inf: pm2 ################################################## If I'm trying to save it, it says: ##################################################### ERROR: stonith-pm2-ha: parameter passwd does not exist ERROR: stonith-pm2-ha: parameter action does not exist ERROR: stonith-pm2-ha: parameter login does not exist ERROR: stonith-pm2-ha: parameter ipaddr does not exist ERROR: stonith-pm2-ha: parameter port does not exist Do you want to edit again (y/n)? ###################################################### Like I've said if I run it from terminal - no problem: root@pm2:# fence_pve --action=status --ip=192.168.122.7 --username=root@pam --password=secret --plug=101 Status: ON may be it is not compatible with pacemaker? because if I run "stonith -t external/fence_pve -n" it yields: ######################################### stonith -t external/fence_pve -n Failed: You have to enter fence address Please use '-h' for usage CRIT: external_get_confignames: 'fence_pve getconfignames' failed with rc 1 ########################################## Best, Stan >> although STDIN parameters are supported [2] >> >> [1] >> https://github.com/ClusterLabs/fence-agents/blob/master/fence/agents/pve/fence_pve.py >> [2] https://www.mankier.com/8/fence_pve#Stdin_Parameters > > -- > Jan (Poki) > > _______________________________________________ > Users mailing list: [email protected] > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > _______________________________________________ Users mailing list: [email protected] http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
