2024-08-12 12:46:22 +02:00
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---
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- name: ensure packages are installed
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become: true
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ansible.builtin.package:
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name: "{{ munin_packages }}"
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state: present
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2024-08-12 13:01:35 +02:00
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- name: Ensure needed dirs exists
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ansible.builtin.file:
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path: "{{ item }}"
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state: directory
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mode: '0755'
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owner: munin
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group: munin
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loop: "{{ munin_dirs }}"
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2024-08-12 12:53:37 +02:00
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- name: Template apache config
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ansible.builtin.template:
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src: /etc/munin/apache.conf
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2024-08-12 12:47:43 +02:00
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dest: /etc/apache2/sites-available/000-default.conf
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2024-08-12 13:00:45 +02:00
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- name: Template logrotate config
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ansible.builtin.template:
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src: logrotate
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dest: /etc/logrotate.d/munin
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2024-08-12 12:59:52 +02:00
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# (chfn -f 'munin' root) ??? TODO
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2024-08-12 12:46:22 +02:00
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2024-08-12 12:59:52 +02:00
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- name: Enable fgcid
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ansible.builtin.command: /usr/sbin/a2enmod fcgid # TODO CHANGED/when
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2024-08-12 12:46:22 +02:00
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2024-08-12 12:59:52 +02:00
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- name: Template munin-server plugins
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ansible.builtin.template:
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src: "{{ item }}"
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dest: "/etc/munin/plugins/{{ item }}"
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mode: '0755'
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loop: "{{ munin_server_plugins }}"
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2024-08-12 12:46:22 +02:00
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2024-08-12 13:06:55 +02:00
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- name: Template munin config
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ansible.builtin.template:
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src: munin.conf
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dest: /etc/munin/munin.conf
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mode: '0644'
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owner: munin
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group: munin
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2024-08-12 12:46:22 +02:00
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2024-08-12 13:10:59 +02:00
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- name: Enable or disable the munin cron job.
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lineinfile:
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dest: /etc/cron.d/munin
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state: "{{ munin_cron_job }}"
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regexp: "^\\*/5 \\* \\* \\* \\*"
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line: "*/5 * * * * munin if [ -x /usr/bin/munin-cron ]; then /usr/bin/munin-cron; fi"
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create: true
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mode: 0644
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2024-08-12 13:06:55 +02:00
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# TODO mail config? wie senden?
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# COPY munin_mail.conf /etc/munin/munin-conf.d/munin_mail.conf
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2024-08-12 13:10:59 +02:00
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# configure mail notification
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if [[ -n "$MAILCONTACT" && -n "$MAILSERVER" && -n "$MAILPORT" && -n "$MAILUSER" && -n "$MAILPASSWORD" && -n "$MAILDOMAIN" ]] ; then
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MAILCONTACT=${MAILCONTACT:="contact@domain.test"}
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sed -i "s/mailcontact/$MAILCONTACT/g" /etc/ssmtp/ssmtp.conf
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sed -i "s/mailcontact/$MAILCONTACT/g" /etc/munin/munin-conf.d/munin_mail.conf
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MAILSERVER=${MAILSERVER:="mail.domain.test"}
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sed -i "s/mailserver/$MAILSERVER/g" /etc/ssmtp/ssmtp.conf
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sed -i "s/mailserver/$MAILSERVER/g" /etc/ssmtp/revaliases
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MAILPORT=${MAILPORT:="25"}
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sed -i "s/mailport/$MAILPORT/g" /etc/ssmtp/ssmtp.conf
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sed -i "s/mailport/$MAILPORT/g" /etc/ssmtp/revaliases
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MAILUSER=${MAILUSER:="alert@domain.test"}
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sed -i "s/mailuser/$MAILUSER/g" /etc/ssmtp/ssmtp.conf
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MAILFROM=${MAILFROM:="munin@domain.test"}
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sed -i "s/mailfrom/$MAILFROM/g" /etc/ssmtp/revaliases
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MAILPASSWORD=${MAILPASSWORD:="XXXXXXXXX"}
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sed -i "s/mailpassword/$MAILPASSWORD/g" /etc/ssmtp/ssmtp.conf
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MAILDOMAIN=${MAILDOMAIN:="domain.test"}
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sed -i "s/maildomain/$MAILDOMAIN/g" /etc/ssmtp/ssmtp.conf
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sed -i "s/mailhost/$MAILDOMAIN/g" /etc/ssmtp/ssmtp.conf
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MAILNAME=${MAILNAME:="Munin"}
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sed -i "s/munin application user/$MAILNAME/g" /etc/passwd
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else
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rm /etc/munin/munin-conf.d/munin_mail.conf /etc/ssmtp/ssmtp.conf
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fi
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# cronjoib? timer? TODO
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# sed -i "s/\*\/5/\*\/5/g" /etc/cron.d/munin kommt imho aus paket
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# generate node list
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NODES=${NODES:-}
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for NODE in $NODES
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do
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NAME=`echo $NODE | cut -d ':' -f1`
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HOST=`echo $NODE | cut -d ':' -f2`
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grep -q "${HOST}$" /etc/munin/munin.conf || cat << EOF >> /etc/munin/munin.conf
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[$NAME]
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address $HOST
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use_node_name yes
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EOF
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done
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# placeholder html to prevent permission error
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if [ ! -f /var/cache/munin/www/index.html ]; then
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cat << EOF > /var/cache/munin/www/index.html
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<html>
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<head>
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<title>Munin</title>
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</head>
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<body>
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Munin has not run yet. Please try again in a few moments.
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</body>
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</html>
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EOF
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chown -R munin: /var/cache/munin/www/index.html
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fi
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# ensure munin folder exist and have right permission
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mkdir -p /var/lib/munin/cgi-tmp /var/cache/munin/www
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chown -R munin:munin /var/lib/munin /var/cache/munin
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chmod -R ugo+rw /var/lib/munin/cgi-tmp
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chown munin:munin /var/log/munin/munin-graph.log
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chown munin:munin /var/log/munin/munin-limits.log
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chown munin:munin /var/log/munin/munin-html.log
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# start cron
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/usr/sbin/cron &
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# start local munin-node
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/usr/sbin/munin-node > /dev/null 2>&1 &
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2024-08-12 12:46:22 +02:00
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2024-08-12 13:10:59 +02:00
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# confirm nodes
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echo "Using the following munin nodes:"
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echo " $THISNODENAME"
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echo " $NODES"
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2024-08-12 12:46:22 +02:00
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2024-08-12 13:10:59 +02:00
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# start apache
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/usr/sbin/apache2ctl start
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2024-08-12 13:00:45 +02:00
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2024-08-12 13:10:59 +02:00
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# display logs
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touch /var/log/munin/munin-update.log
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chown munin:munin /var/log/munin/munin-update.log
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tail -f /var/log/munin/munin-*.log
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