[SAC] [OSGeo] #2763: Redo monitoring to use built in lxd prometheus monitor

#2763: Redo monitoring to use built in lxd prometheus monitor
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Reporter: robe | Owner: sac@…
     Type: task | Status: new
Priority: normal | Milestone: Sysadmin Contract 2022-II
Component: Systems Admin | Keywords:
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Right now for key servers I have node-exporters for basic monitoring.

Introduced in lxd 4.19 is in-built prometheus exporter

https://discuss.linuxcontainers.org/t/official-grafana-dashboard-for-
lxd/13438

I think I need to update prometheus first on all the servers before I can
set this up. Once done, then we'd only need exporters for things like
monitoring nginx, apache, postgresql
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2763&gt;
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