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munin-server/run.sh
Michael Grote 99458c75dc
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template munin-node.conf, should fix the bug where munin-node cant bind to local ipv4
2024-07-31 12:38:01 +02:00

106 lines
3.4 KiB
Bash

#!/bin/bash
# timezone settings
TZ=${TZ:="Europe/Paris"}
echo $TZ > /etc/timezone
# workaround https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/1554806
rm /etc/localtime
dpkg-reconfigure -f noninteractive tzdata
# change cron setting for updates
CRONDELAY=${CRONDELAY:=5}
sed -i "s/\*\/5/\*\/$CRONDELAY/g" /etc/cron.d/munin
# configure default node name
THISNODENAME=${THISNODENAME:="munin"}
sed -i "s/^\[localhost\.localdomain\]/\[$THISNODENAME\]/g" /etc/munin/munin.conf
# configure default node IP
THISNODEIP=${THISNODEIP:="127.0.0.1"}
sed -i "s/^\( *address\) 127\.0\.0\.1\$/\1 $THISNODEIP/" /etc/munin/munin.conf
# configure default servername
THISSERVERNAME=${SERVERNAME:="munin"}
sed -i "s/^\[localhost\.localdomain\]/\[$SERVERNAME\]/g" /etc/apache2/sites-available/000-default.conf
# configure mail notification
if [[ -n "$MAILCONTACT" && -n "$MAILSERVER" && -n "$MAILPORT" && -n "$MAILUSER" && -n "$MAILPASSWORD" && -n "$MAILDOMAIN" ]] ; then
MAILCONTACT=${MAILCONTACT:="contact@domain.test"}
sed -i "s/mailcontact/$MAILCONTACT/g" /etc/ssmtp/ssmtp.conf
sed -i "s/mailcontact/$MAILCONTACT/g" /etc/munin/munin-conf.d/munin_mail.conf
MAILSERVER=${MAILSERVER:="mail.domain.test"}
sed -i "s/mailserver/$MAILSERVER/g" /etc/ssmtp/ssmtp.conf
sed -i "s/mailserver/$MAILSERVER/g" /etc/ssmtp/revaliases
MAILPORT=${MAILPORT:="25"}
sed -i "s/mailport/$MAILPORT/g" /etc/ssmtp/ssmtp.conf
sed -i "s/mailport/$MAILPORT/g" /etc/ssmtp/revaliases
MAILUSER=${MAILUSER:="alert@domain.test"}
sed -i "s/mailuser/$MAILUSER/g" /etc/ssmtp/ssmtp.conf
MAILFROM=${MAILFROM:="munin@domain.test"}
sed -i "s/mailfrom/$MAILFROM/g" /etc/ssmtp/revaliases
MAILPASSWORD=${MAILPASSWORD:="XXXXXXXXX"}
sed -i "s/mailpassword/$MAILPASSWORD/g" /etc/ssmtp/ssmtp.conf
MAILDOMAIN=${MAILDOMAIN:="domain.test"}
sed -i "s/maildomain/$MAILDOMAIN/g" /etc/ssmtp/ssmtp.conf
sed -i "s/mailhost/$MAILDOMAIN/g" /etc/ssmtp/ssmtp.conf
MAILNAME=${MAILNAME:="Munin"}
sed -i "s/munin application user/$MAILNAME/g" /etc/passwd
else
rm /etc/munin/munin-conf.d/munin_mail.conf /etc/ssmtp/ssmtp.conf
fi
# generate node list
NODES=${NODES:-}
for NODE in $NODES
do
NAME=`echo $NODE | cut -d ':' -f1`
HOST=`echo $NODE | cut -d ':' -f2`
grep -q "${HOST}$" /etc/munin/munin.conf || cat << EOF >> /etc/munin/munin.conf
[$NAME]
address $HOST
use_node_name yes
EOF
done
# placeholder html to prevent permission error
if [ ! -f /var/cache/munin/www/index.html ]; then
cat << EOF > /var/cache/munin/www/index.html
<html>
<head>
<title>Munin</title>
</head>
<body>
Munin has not run yet. Please try again in a few moments.
</body>
</html>
EOF
chown -R munin: /var/cache/munin/www/index.html
fi
# ensure munin folder exist and have right permission
mkdir -p /var/lib/munin/cgi-tmp /var/cache/munin/www
chown -R munin:munin /var/lib/munin /var/cache/munin
chmod -R ugo+rw /var/lib/munin/cgi-tmp
chown munin:munin /var/log/munin/munin-graph.log
chown munin:munin /var/log/munin/munin-limits.log
chown munin:munin /var/log/munin/munin-html.log
# start cron
/usr/sbin/cron &
# start local munin-node
/usr/sbin/munin-node > /dev/null 2>&1 &
# confirm nodes
echo "Using the following munin nodes:"
echo " $THISNODENAME"
echo " $NODES"
# start apache
/usr/sbin/apache2ctl start
# display logs
touch /var/log/munin/munin-update.log
chown munin:munin /var/log/munin/munin-update.log
tail -f /var/log/munin/munin-*.log