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|
#!/bin/sh
#
# Author: Petter Reinholdtsen
set -e
daylimit=120
makewebreport=/usr/sbin/sitesummary-makewebreport
nodes=/usr/sbin/sitesummary-nodes
# Modify this in collector.cfg to /etc/munin/ to automatically replace
# the default munin configuration.
MUNINDIR=/var/lib/sitesummary
# Specifies where to save the automatically generated nagios
# configuration. Add NAGIOSCFG="/etc/nagios3/sitesummary.cfg" to
# /etc/default/nagios3 toget Nagios to use this automatically
# generated configuration
NAGIOSDIR=/var/lib/sitesummary
[ -f /etc/sitesummary/collector.cfg ] && . /etc/sitesummary/collector.cfg
# Exit imediately if the package is removed but nor purged
if [ ! -x $nodes ] ; then
exit 0
fi
# The storage area is not configurable, because too many scripts have
# it hardcoded
entriesdir=/var/lib/sitesummary/entries
remove_old_entries() {
find $entriesdir/. -mindepth 1 -maxdepth 1 -type d \
-daystart -mtime +$daylimit \
-exec /usr/lib/sitesummary/expire-entry '{}' \;
}
generate_munin_config() {
# Generate munin config. Edit /etc/cron.d/munin to enable it.
# Add -c /var/lib/sitesummary/sitesummary-munin.conf to the calls
# to the munin scripts, or change MUNINDIR above.
(
if [ -f $MUNINDIR/munin.conf.pre ] ; then
cat $MUNINDIR/munin.conf.pre
else
# Copy of active config from munin version 1.2.5-1
cat <<EOF
# Munin server configuration generated from cron using sitesummary
# data by $0
# Do not edit, it will be overwritten.
# Edit $MUNINDIR/munin.conf.pre and
# $MUNINDIR/munin.conf.post instead.
dbdir /var/lib/munin
htmldir /var/www/munin
logdir /var/log/munin
rundir /var/run/munin
tmpldir /etc/munin/templates
EOF
fi
sitesummary-nodes -m
[ -f $MUNINDIR/munin.conf.post ] && cat $MUNINDIR/munin.conf.post
# Make sure the subshell return true to trigger the mv below.
true
) > $MUNINDIR/munin.conf.new && \
chown root:root $MUNINDIR/munin.conf.new && \
chmod a+r $MUNINDIR/munin.conf.new && \
mv $MUNINDIR/munin.conf.new $MUNINDIR/munin.conf
}
generate_nagios_config() {
(
printf "# Generated "; date
sitesummary-nodes -n
if [ -f $NAGIOSDIR/nagios-generated.cfg.post ] ; then
cat $NAGIOSDIR/nagios-generated.cfg.post
fi
true
) > $NAGIOSDIR/nagios-generated.cfg.new && \
chmod a+r $NAGIOSDIR/nagios-generated.cfg.new && \
mv $NAGIOSDIR/nagios-generated.cfg.new $NAGIOSDIR/nagios-generated.cfg
}
# Only enable if munin and sitesummary is installed.
if [ -f /etc/munin/munin.conf ] && [ -x /usr/sbin/sitesummary-nodes ]; then
generate_munin_config
fi
# Only enable if nagios v3 and sitesummary is installed.
if [ -f /etc/init.d/nagios3 ] && [ -x /usr/sbin/sitesummary-nodes ]; then
generate_nagios_config
invoke-rc.d nagios3 reload
fi
[ -d $entriesdir ] && remove_old_entries
# Update the web report once a day
[ -x $makewebreport ] && nice $makewebreport
|
