[Pacemaker] possible regex error in "pcs resource enable/disable"

Bob Haxo bhaxo at sgi.com
Thu Feb 20 17:30:16 UTC 2014


Andrew, Lars,

Yes, I have determined that this error is the result of mixing crmsh
stop/start with pcs disable/enable (or maybe pcs stop/start mis-usage)
commands. 

I've started to respond with how this happens, but have been pulled off
to a higher priority task.  Back when I have the resolved.

Bob Haxo





On Thu, 2014-02-20 at 07:56 -0800, Bob Haxo wrote:

> Andrew,
> 
> I think that this is what you identified:
> 
> This error appears to be related to the two instances of <meta_attributes> with 
> libvirtd-clone, both which contain a name="target-role" value="Stopped".  
> Deleted one of these entries and the error did not occur.
> 
>      <clone id="libvirtd-clone">
>         <primitive class="lsb" id="libvirtd" type="libvirtd">
>           <operations>
>             <op id="libvirtd-monitor-interval-15" interval="15" name="monitor" start-delay="15" timeout="15"/>
>             <op id="libvirtd-start-interval-0" interval="0" name="start" on-fail="restart" timeout="15"/>
>             <op id="libvirtd-stop-interval-0" interval="0" name="stop" on-fail="ignore" timeout="15"/>
>           </operations>
>           <meta_attributes id="libvirtd-meta_attributes"/>
>         </primitive>
>         <meta_attributes id="libvirtd-clone-meta">
>           <nvpair id="libvirtd-interleave" name="interleave" value="true"/>
>           <nvpair id="libvirtd-ordered" name="ordered" value="true"/>
>           <nvpair id="libvirtd-clone-meta-target-role" name="target-role" value="Stopped"/>
>         </meta_attributes>
>         <meta_attributes id="libvirtd-clone-meta_attributes">
>           <nvpair id="libvirtd-clone-meta_attributes-target-role" name="target-role" value="Stopped"/>
>         </meta_attributes>
>       </clone>
> 
> I do occasionally use a crmsh command, mostly the "crm resource cleanup <resource>" ...
> the pcs version of this seems to never cleanup the remote system entries.  I classify
> this as a bug that I have not reported.
> 
> So, yes, how the duplicate entry got there is probably the crux of the issue.  And
> I have no answer.  I have not used crmsh to create resources (the creates are 
> scripted using pcs cmds).  Perhaps I used a "crm stop"  rather than a "pcs disable".
> 
> Regardless, even if RH is not going to support crmsh, at least RH needs to be sensitive
> to the use of crmsh with their PCS Pacemaker implementation.
> 
> I'll test/investigate the "crm stop" and see whether this creates the additional entry.
> 
> Cheers,
> Bob Haxo
> 
> 
> 
> 
> On Thu, 2014-02-20 at 10:12 +1100, Andrew Beekhof wrote:
> > Have you been mixing pcs and crmsh again? :-)
> > The interesting part is how the dup got in there in the first place.
> > 
> > Can you remove both settings and try to recreate that step?
> > 
> > On 20 Feb 2014, at 9:39 am, Bob Haxo <bhaxo at sgi.com> wrote:
> > 
> > > Chris, was easy to duplicate ... I thought that I had cleared 
> > > the error, but that had not happened.
> > > 
> > > Bob Haxo
> > > 
> > > [root at mici-admin ~]# pcs resource disable virt
> > > [root at mici-admin ~]# pcs resource disable libvirtd-clone
> > > Error: Error performing operation: Invalid argument
> > > Multiple attributes match name=target-role
> > >  Value: Started        (id=libvirtd-clone-meta-target-role)
> > >  Value: Started        (id=libvirtd-clone-meta_attributes-target-role)
> > > 
> > > [root at mici-admin ~]# pcs --debug resource disable libvirtd-clone
> > > Running: /usr/sbin/crm_resource -r libvirtd-clone -m -p target-role -v Stopped
> > > Return Value: 22
> > > --Debug Output Start--
> > > Error performing operation: Invalid argument
> > > Multiple attributes match name=target-role
> > >  Value: Started        (id=libvirtd-clone-meta-target-role)
> > >  Value: Started        (id=libvirtd-clone-meta_attributes-target-role)
> > > 
> > > --Debug Output End--
> > > 
> > > Error: Error performing operation: Invalid argument
> > > Multiple attributes match name=target-role
> > >  Value: Started        (id=libvirtd-clone-meta-target-role)
> > >  Value: Started        (id=libvirtd-clone-meta_attributes-target-role)
> > > 
> > > [root at mici-admin ~]# pcs resource disable libvirtd-clone
> > > Error: Error performing operation: Invalid argument
> > > Multiple attributes match name=target-role
> > >  Value: Started        (id=libvirtd-clone-meta-target-role)
> > >  Value: Started        (id=libvirtd-clone-meta_attributes-target-role)
> > > 
> > > 
> > > On Wed, 2014-02-19 at 15:23 -0600, Chris Feist wrote:
> > >> On 02/19/2014 11:16 AM, Bob Haxo wrote:
> > >>> Encountered this error with pcs but not with crm.  Looks like a regex
> > >>> error, with the existing regex grabbing all strings starting with the
> > >>> string "libvirtd-clone" ...
> > >>> 
> > >>> 
> > >>> [root at mici-admin2 ~]# pcs resource disable libvirtd-clone
> > >>> Error: Error performing operation: Invalid argument
> > >>> Multiple attributes match name=target-role
> > >>>   Value: Started        (id=libvirtd-clone-meta-target-role)
> > >>>   Value: Started        (id=libvirtd-clone-meta_attributes-target-role)
> > >>> 
> > >>> [root at mici-admin ~]# crm resource stop libvirtd-clone
> > >>> 
> > >>> <<no error, success>>
> > >>> 
> > >>> [root at mici-admin ~]# pcs resource enable libvirtd-clone
> > >>> Error: Error performing operation: Invalid argument
> > >>> Multiple attributes match name=target-role
> > >>>   Value: Stopped        (id=libvirtd-clone-meta-target-role)
> > >>>   Value: Stopped        (id=libvirtd-clone-meta_attributes-target-role)
> > >>> 
> > >>> xml:
> > >>>       <clone id="libvirtd-clone">
> > >>>         <meta_attributes id="libvirtd-clone-meta">
> > >>>           <nvpair id="libvirtd-clone-meta-target-role" name="target-role" value="Stopped"/>
> > >>>         <meta_attributes id="libvirtd-clone-meta_attributes">
> > >>>           <nvpair id="libvirtd-clone-meta_attributes-target-role" name="target-role" value="Stopped"/>
> > >>> 
> > >>> Regards,
> > >>> Bob Haxo
> > >> 
> > >> Can you send the output of the following command:
> > >> pcs --debug resource disable libvirtd-clone
> > >> 
> > >> Thanks,
> > >> Chris
> > >>> 
> > >>> 
> > >>> _______________________________________________
> > >>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > >>> 
> > >>> Project Home: http://www.clusterlabs.org
> > >>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > >>> Bugs: http://bugs.clusterlabs.org
> > >>> 
> > >> 
> > > 
> > > 
> > > _______________________________________________
> > > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > > 
> > > Project Home: http://www.clusterlabs.org
> > > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > > Bugs: http://bugs.clusterlabs.org
> > 
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > 
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> 
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.clusterlabs.org/pipermail/pacemaker/attachments/20140220/af068723/attachment.htm>


More information about the Pacemaker mailing list