Merge pull request 'add exporter on bullseye' (#64) from fix_apt_exporter_bullseye into master
Reviewed-on: Aurore/ansible#64
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commit
4a594bf1cc
4 changed files with 100 additions and 0 deletions
32
roles/prometheus_node/files/apt.sh
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32
roles/prometheus_node/files/apt.sh
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#!/bin/bash
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#
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# Description: Expose metrics from apt updates.
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#
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# Author: Ben Kochie <superq@gmail.com>
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upgrades="$(/usr/bin/apt-get --just-print dist-upgrade \
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| /usr/bin/awk -F'[()]' \
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'/^Inst/ { sub("^[^ ]+ ", "", $2); gsub(" ","",$2);
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sub("\\[", " ", $2); sub("\\]", "", $2); print $2 }' \
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| /usr/bin/sort \
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| /usr/bin/uniq -c \
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| awk '{ gsub(/\\\\/, "\\\\", $2); gsub(/\"/, "\\\"", $2);
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gsub(/\[/, "", $3); gsub(/\]/, "", $3);
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print "apt_upgrades_pending{origin=\"" $2 "\",arch=\"" $NF "\"} " $1}'
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)"
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echo '# HELP apt_upgrades_pending Apt package pending updates by origin.'
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echo '# TYPE apt_upgrades_pending gauge'
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if [[ -n "${upgrades}" ]] ; then
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echo "${upgrades}"
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else
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echo 'apt_upgrades_pending{origin="",arch=""} 0'
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fi
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echo '# HELP node_reboot_required Node reboot is required for software updates.'
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echo '# TYPE node_reboot_required gauge'
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if [[ -f '/run/reboot-required' ]] ; then
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echo 'node_reboot_required 1'
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else
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echo 'node_reboot_required 0'
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fi
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[Unit]
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Description=Collect apt metrics for prometheus-node-exporter
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[Service]
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Type=oneshot
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Environment=TMPDIR=/var/lib/prometheus/node-exporter
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ExecStart=/bin/bash -c "/usr/share/prometheus-node-exporter/apt.sh | sponge /var/lib/prometheus/node-exporter/apt.prom"
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[Unit]
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Description=Run apt metrics collection every 15 minutes
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[Timer]
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OnBootSec=0
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OnUnitActiveSec=15min
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[Install]
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WantedBy=timers.target
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@ -37,3 +37,55 @@
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line: |
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ARGS="--web.listen-address={{ ansible_hostname }}.adm.auro.re:9100"
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notify: Restart prometheus-node-exporter
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- name: Add monitoring for apt on bullseye
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block:
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- name: Install moreutils # we need the sponge command
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apt:
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name:
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- moreutils
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state: latest
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update_cache: true
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register: apt_result
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retries: 3
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until: apt_result is succeeded
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- name: Ensure /usr/share/prometheus-node-exporter exist
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file:
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path: /usr/share/prometheus-node-exporter/
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state: directory
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group: root
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owner: root
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mode: u=rwx,g=rx,o=rx
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- name: Add the script
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copy:
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src: apt.sh
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dest: /usr/share/prometheus-node-exporter/apt.sh
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group: root
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owner: root
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mode: u=rwx,g=rx,o=rx
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- name: Add the timer
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copy:
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src: prometheus-node-exporter-apt.timer
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dest: /lib/systemd/system/prometheus-node-exporter-apt.timer
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group: root
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owner: root
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mode: u=rw,g=r,o=r
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- name: Add the service
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copy:
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src: prometheus-node-exporter-apt.service
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dest: /lib/systemd/system/prometheus-node-exporter-apt.service
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group: root
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owner: root
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mode: u=rw,g=r,o=r
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- name: Enable the timer
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systemd:
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name: prometheus-node-exporter-apt.timer
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state: started
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enabled: true
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when: ansible_facts['lsb']['codename'] == 'bullseye'
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