[ClusterLabs] Adding HAProxy as a Resource

Ken Gaillot kgaillot at redhat.com
Mon Jul 29 15:23:19 EDT 2019


On Fri, 2019-07-26 at 04:46 +0000, Somanath Jeeva wrote:
> Hi Ken,
> 
> I am using the below versions
> 
> Pacemaker - 1.1.16
> Corosync - 2.4.3
> PCS - 0.9
> Resource agents - 3.9.6
> 
> During running configure I didn’t give any options. I just ran
> configure.sh and then did a make install.

In that case, it will check whether the build machine has everything
needed to support systemd. The main requirement is that the systemd and
dbus development libraries (systemd-devel and dbus-devel) are
available.

> 
> With Regards
> Somanath Thilak J
> 
> -----Original Message-----
> From: Ken Gaillot <kgaillot at redhat.com> 
> Sent: Thursday, July 25, 2019 7:22 PM
> To: Cluster Labs - All topics related to open-source clustering
> welcomed <users at clusterlabs.org>; Tomas Jelinek <tojeline at redhat.com>
> Subject: Re: [ClusterLabs] Adding HAProxy as a Resource
> 
> On Thu, 2019-07-25 at 07:23 +0000, Somanath Jeeva wrote:
> > Hi
> > 
> > Systemd unit file is available for haproxy but the pcs resource 
> > standard command does not list systemd standard .
> > 
> > Also I am not using the pacemaker packages from redhat. I am using
> > the 
> > packages downloaded from clusterlabs.
> 
> Hi Somanath,
> 
> Which version of pacemaker are you using?
> 
> If you built it from source, did you give any options to the
> configure command?
> 
> > 
> > 
> > 
> > With Regards
> > Somanath Thilak J
> > 
> > -----Original Message-----
> > From: Tomas Jelinek <tojeline at redhat.com>
> > Sent: Monday, July 15, 2019 5:58 PM
> > To: users at clusterlabs.org
> > Subject: Re: [ClusterLabs] Adding HAProxy as a Resource
> > 
> > Hi,
> > 
> > Do you have a systemd unit file for haproxy installed?
> > Does 'crm_resource --list-standards' print 'systemd'?
> > Does 'crm_resource --list-agents systemd' print 'haproxy'?
> > Note that when you use full agent name (that is including : ) it
> > is 
> > case sensitive in pcs.
> > 
> > Regards,
> > Tomas
> > 
> > 
> > Dne 11. 07. 19 v 10:14 Somanath Jeeva napsal(a):
> > > Hi
> > > 
> > > I am using the resource agents built from clusterlabs and when I
> > > add 
> > > the systemd resource I am getting the below error .
> > > 
> > > $ sudo pcs resource create HAPROXY systemd:haproxy op monitor 
> > > interval=2s
> > > Error: Agent 'systemd:haproxy' is not installed or does not
> > > provide 
> > > valid metadata: Metadata query for systemd:haproxy failed: -22,
> > > use 
> > > --force to override
> > > 
> > > 
> > > 
> > > With Regards
> > > Somanath Thilak J
> > > 
> > > -----Original Message-----
> > > From: Kristoffer Grönlund <kgronlund at suse.com>
> > > Sent: Thursday, July 11, 2019 1:22 PM
> > > To: Cluster Labs - All topics related to open-source clustering 
> > > welcomed <users at clusterlabs.org>
> > > Cc: Somanath Jeeva <somanath.jeeva at ericsson.com>
> > > Subject: Re: [ClusterLabs] Adding HAProxy as a Resource
> > > 
> > > On 2019-07-11 09:31, Somanath Jeeva wrote:
> > > > Hi All,
> > > > 
> > > > I am using HAProxy in my environment  which I plan to add to 
> > > > pacemaker as resource. I see no RA available for that in
> > > > resource 
> > > > agent.
> > > > 
> > > > Should I write a new RA or is there any way to add it to
> > > > pacemaker 
> > > > as a systemd service.
> > > 
> > > Hello,
> > > 
> > > haproxy works well as a plain systemd service, so you can add it
> > > as 
> > > systemd:haproxy - that is, instead of an ocf: prefix, just put 
> > > systemd:.
> > > 
> > > If you want the cluster to manage multiple, differently
> > > configured 
> > > instances of haproxy, you might have to either create custom
> > > systemd 
> > > service scripts for each one, or create an agent with parameters.
> > > 
> > > Cheers,
> > > Kristoffer
> > > 
> > > > 
> > > > 
> > > > 
> > > > With Regards
> > > > Somanath Thilak J
> > > > 
> > > > 
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> --
> Ken Gaillot <kgaillot at redhat.com>
> 
> 
-- 
Ken Gaillot <kgaillot at redhat.com>



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