Merge pull request 'add exporter on bullseye' (#64) from fix_apt_exporter_bullseye into master

Reviewed-on: Aurore/ansible#64
This commit is contained in:
histausse 2021-09-23 19:54:35 +02:00
commit 4a594bf1cc
4 changed files with 100 additions and 0 deletions

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@ -0,0 +1,32 @@
#!/bin/bash
#
# Description: Expose metrics from apt updates.
#
# Author: Ben Kochie <superq@gmail.com>
upgrades="$(/usr/bin/apt-get --just-print dist-upgrade \
| /usr/bin/awk -F'[()]' \
'/^Inst/ { sub("^[^ ]+ ", "", $2); gsub(" ","",$2);
sub("\\[", " ", $2); sub("\\]", "", $2); print $2 }' \
| /usr/bin/sort \
| /usr/bin/uniq -c \
| awk '{ gsub(/\\\\/, "\\\\", $2); gsub(/\"/, "\\\"", $2);
gsub(/\[/, "", $3); gsub(/\]/, "", $3);
print "apt_upgrades_pending{origin=\"" $2 "\",arch=\"" $NF "\"} " $1}'
)"
echo '# HELP apt_upgrades_pending Apt package pending updates by origin.'
echo '# TYPE apt_upgrades_pending gauge'
if [[ -n "${upgrades}" ]] ; then
echo "${upgrades}"
else
echo 'apt_upgrades_pending{origin="",arch=""} 0'
fi
echo '# HELP node_reboot_required Node reboot is required for software updates.'
echo '# TYPE node_reboot_required gauge'
if [[ -f '/run/reboot-required' ]] ; then
echo 'node_reboot_required 1'
else
echo 'node_reboot_required 0'
fi

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[Unit]
Description=Collect apt metrics for prometheus-node-exporter
[Service]
Type=oneshot
Environment=TMPDIR=/var/lib/prometheus/node-exporter
ExecStart=/bin/bash -c "/usr/share/prometheus-node-exporter/apt.sh | sponge /var/lib/prometheus/node-exporter/apt.prom"

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[Unit]
Description=Run apt metrics collection every 15 minutes
[Timer]
OnBootSec=0
OnUnitActiveSec=15min
[Install]
WantedBy=timers.target

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@ -37,3 +37,55 @@
line: |
ARGS="--web.listen-address={{ ansible_hostname }}.adm.auro.re:9100"
notify: Restart prometheus-node-exporter
- name: Add monitoring for apt on bullseye
block:
- name: Install moreutils # we need the sponge command
apt:
name:
- moreutils
state: latest
update_cache: true
register: apt_result
retries: 3
until: apt_result is succeeded
- name: Ensure /usr/share/prometheus-node-exporter exist
file:
path: /usr/share/prometheus-node-exporter/
state: directory
group: root
owner: root
mode: u=rwx,g=rx,o=rx
- name: Add the script
copy:
src: apt.sh
dest: /usr/share/prometheus-node-exporter/apt.sh
group: root
owner: root
mode: u=rwx,g=rx,o=rx
- name: Add the timer
copy:
src: prometheus-node-exporter-apt.timer
dest: /lib/systemd/system/prometheus-node-exporter-apt.timer
group: root
owner: root
mode: u=rw,g=r,o=r
- name: Add the service
copy:
src: prometheus-node-exporter-apt.service
dest: /lib/systemd/system/prometheus-node-exporter-apt.service
group: root
owner: root
mode: u=rw,g=r,o=r
- name: Enable the timer
systemd:
name: prometheus-node-exporter-apt.timer
state: started
enabled: true
when: ansible_facts['lsb']['codename'] == 'bullseye'