[NB. I'm sending an email following a suggestion by Bernard Li (who, I believe, was working on OSCAR) to see if anyone here is interested in a project I'm working on. If you feel this email's too spam-like, just say and I'll go away :-]
Hi,
I'm currently involved in a project[1] (called MonAMI) to monitor large-scale
Grid middleware deployments (in particular, W-LCG and ATLAS software) and the
underlying fabric layer (e.g. Apache, MySQL, NUT, ...).
MonAMI is (in essence) a simple light-weight daemon (written in C) that
provides monitoring information. It has a plugin structure, with reader
plugins (for gathering information) and writer plugins (that send information
somewhere). The project currently has writer plugins that can send data to
some common monitoring systems (Ganglia, Nagios, R-GMA, MonaLisa, ...), more
can be added.
Different people (sys-admin, grid-middleware providers, VOs, ...) can say what
they want monitored by dropping files into /etc/monami.d. The MonAMI daemon
does sufficient monitoring to satisfy everyone (with some safety checks).
For a slightly more detailed view (with some diagrams) please have a look at
the slides[2] from a recent talk.
One of the MonAMI plugins is to provide data for Ganglia. Over the past year,
I've exchanged a few emails with the Ganglia developers, which brought me in
contact with Bernard Li. He suggested that, as OSCAR uses ganglia, there
might be some interest within the OSCAR project towards using MonAMI as part
of its monitoring.
Suppose one had a server with MySQL installed. A "mysql-monitoring" RPM could
contain a suitable file in /etc/monami.d and a dependency on MonAMI:
installing this RPM would ensure the MySQL monitoring happens. If the server
had Apache HTTP server installed, an apache-monitoring RPM could be
installed. If the server had both MySQL and Apache installed, then one could
install both RPMs ( {mysql,apache}-monitoring.rpm) and both services would be
monitored.
From a fairly recent email, I understand Bernard is "moving on" from OSCAR, so
I'm emailing this list directly to see if anyone is interested in looking
into the possible use of MonAMI within OSCAR.
Cheers,
Paul.
[1] http://monami.sourceforge.net/
[2] http://www.allhands.org.uk/2006/programme/index.html#665
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