On Fri, 2021-04-30 at 19:24 +0300, Andrei Borzenkov wrote: > On 30.04.2021 17:57, Ken Gaillot wrote: > > On Fri, 2021-04-30 at 11:00 +0100, lejeczek wrote: > > > Hi guys > > > > > > I'd like to ask around for thoughts & suggestions on any > > > semi/official ways to monitor VirtualDomain. > > > Something beyond what included RA does - such as actual > > > health testing of and communication with VM's OS. > > > > > > many thanks, L. > > > > This use case led to a Pacemaker feature many moons ago ... > > > > Pacemaker supports nagios plug-ins as a resource type (e.g. > > nagios:check_apache_status). These are service checks usually used > > with > > monitoring software such as nagios, icinga, etc. > > > > The documentation for it is rather short. In particular ... > > > If the service being monitored is inside a VirtualDomain, named vm1 > > for > > example, you can configure the nagios resource with the resource > > meta- > > attribute container="vm1". If the nagios check fails, Pacemaker > > will > > restart vm1. > > > > ... this is not documented anywhere. > > Is there any howto, blog or whatever with example usage and > configuration?
Yep that little snippet is the only documentation. Documenting it better has been on the to-do list forever but since I've never used the feature, it would take up a lot of time experimenting before I felt comfortable enough. Pull requests welcome if anyone wants to dive in :) > > > (This feature was added before OS containers became popular, so the > > naming is a bit unfortunate.) > > > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ > -- Ken Gaillot <kgail...@redhat.com> _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/