[ClusterLabs] Location not working

[Ken Gaillot]

On Mon, 2023-04-10 at 14:18 +0300, Miro Igov wrote:
> Hello,
> I have a resource with location constraint set to:
>  
> location intranet-ip_on_any_nginx intranet-ip \
>         rule -inf: opa-nginx_1_active eq 0 \
>         rule -inf: opa-nginx_2_active eq 0

You haven't specified a score for the constraint, so it defaults to 0,
meaning the resource is allowed on those nodes but has no preference
for them.

>  
> In syslog I see the attribute transition:
> Apr 10 12:11:02 intranet-test2 pacemaker-attrd[1511]:  notice:
> Setting opa-nginx_1_active[intranet-test1]: 1 -> 0
>  
> Current cluster status is :
>  
> Node List:
>   * Online: [ intranet-test1 intranet-test2 nas-sync-test1 nas-sync-
> test2 ]
>  
> * stonith-sbd (stonith:external/sbd):  Started intranet-test2
>   * admin-ip    (ocf::heartbeat:IPaddr2):        Started nas-sync-
> test2
>   * cron_symlink        (ocf::heartbeat:symlink):        Started
> intranet-test1
>   * intranet-ip (ocf::heartbeat:IPaddr2):        Started intranet-
> test1
>   * mysql_1     (systemd:mariadb at intranet-test1):        Started
> intranet-test1
>   * mysql_2     (systemd:mariadb at intranet-test2):        Started
> intranet-test2
>   * nginx_1     (systemd:nginx at intranet-test1):  Stopped
>   * nginx_1_active      (ocf::pacemaker:attribute):      Stopped
>   * nginx_2     (systemd:nginx at intranet-test2):  Started intranet-
> test2
>   * nginx_2_active      (ocf::pacemaker:attribute):      Started
> intranet-test2
>   * php_1       (systemd:php5.6-fpm at intranet-test1):     Started
> intranet-test1
>   * php_2       (systemd:php5.6-fpm at intranet-test2):     Started
> intranet-test2
>   * data_1      (ocf::heartbeat:Filesystem):     Stopped
>   * data_2      (ocf::heartbeat:Filesystem):     Started intranet-
> test2
>   * nfs_export_1        (ocf::heartbeat:exportfs):       Stopped
>   * nfs_export_2        (ocf::heartbeat:exportfs):       Started nas-
> sync-test2
>   * nfs_server_1        (systemd:nfs-server at nas-sync-test1):    
> Stopped
>   * nfs_server_2        (systemd:nfs-server at nas-sync-test2):    
> Started nas-sync-test2
>  
> Failed Resource Actions:
>   * nfs_server_1_start_0 on nas-sync-test1 'error' (1): call=95,
> status='complete', exitreason='', last-rc-change='2023-04-10 12:35:12
> +02:00', queued=0ms, exec=209ms
>  
>  
> Why intranet-ip is located on intranet-test1 while nginx_1_active is
> 0 ?
>  
> # crm res constraint intranet-ip
>    
> cron_symlink                                                         
>         (score=INFINITY, id=c_cron_symlink_on_intranet-ip)
> * intranet-ip
>   : Node nas-sync-
> test2                                                         
> (score=-INFINITY, id=intranet-ip_loc-rule)
>   : Node nas-sync-
> test1                                                         
> (score=-INFINITY, id=intranet-ip_loc-rule)
>  
> Why no constraint entry for intranet-ip_on_any_nginx location ?
>  
> 
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-- 
Ken Gaillot <kgaillot at redhat.com>