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munin: configure the plugins better

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* let munin choose what it wants to monitor, it may need an update periodically
* deactivate monitoring of NTP peers (this makes no sense)
* deactivate monitoring of network interfaces that aren't up (also makes no sense)
* we get errors in munin-node.log if we don't create /var/lib/munin-node/plugin-state/
This commit is contained in:
Joshua Tauberer 2015-08-23 16:03:40 +00:00
parent 6b35d8402c
commit c3821e9165
1 changed files with 22 additions and 0 deletions
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22
setup/munin.sh
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@ -33,5 +33,27 @@ EOF
tools/editconf.py /etc/munin/munin-node.conf -s \
host_name=$PRIMARY_HOSTNAME
# Update the activated plugins through munin's autoconfiguration.
munin-node-configure --shell --remove-also 2>/dev/null | sh
# Deactivate monitoring of NTP peers. Not sure why anyone would want to monitor a NTP peer. The addresses seem to change
# (which is taken care of my munin-node-configure, but only when we re-run it.)
find /etc/munin/plugins/ -lname /usr/share/munin/plugins/ntp_ -print0 | xargs -0 /bin/rm
# Deactivate monitoring of network interfaces that are not up. Otherwise we can get a lot of empty charts.
for f in $(find /etc/munin/plugins/ \( -lname /usr/share/munin/plugins/if_ -o -lname /usr/share/munin/plugins/if_err_ -o -lname /usr/share/munin/plugins/bonding_err_ \)); do
IF=$(echo $f | sed s/.*_//);
if ! ifquery $IF >/dev/null 2>/dev/null; then
rm $f;
fi;
done
# Create a 'state' directory. Not sure why we need to do this manually.
mkdir -p /var/lib/munin-node/plugin-state/
# Restart services.
restart_service munin
restart_service munin-node
# generate initial statistics so the directory isn't empty
sudo -u munin munin-cron