prometheus_node: cleanup

This commit is contained in:
jeltz 2023-04-01 22:32:42 +02:00
parent b4fe111c91
commit 7db15d9c63
Signed by: jeltz
GPG key ID: 800882B66C0C3326
5 changed files with 9 additions and 91 deletions

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@ -1,32 +0,0 @@
#!/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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@ -1,9 +0,0 @@
[Unit]
Description=Run apt metrics collection every 15 minutes
[Timer]
OnBootSec=0
OnUnitActiveSec=15min
[Install]
WantedBy=timers.target

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---
- name: Restart prometheus-node-exporter
service:
name: prometheus-node-exporter
state: restarted

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@ -1,49 +1,20 @@
--- ---
- name: Install Prometheus node-exporter - name: Install prometheus-node-exporter
apt: apt:
update_cache: true name:
name: prometheus-node-exporter - prometheus-node-exporter
- prometheus-node-exporter-collectors
install_recommends: false # Do not install smartmontools install_recommends: false # Do not install smartmontools
register: apt_result
retries: 3
until: apt_result is succeeded
when:
- ansible_lsb.codename != 'stretch'
# Prometheus 2 node is in stretch-backports - name: Install smartmontools
- name: Install Prometheus node-exporter (stretch-backports)
apt: apt:
update_cache: true name: smartmontools
name: prometheus-node-exporter
install_recommends: false
default_release: stretch-backports
register: apt_result
retries: 3
until: apt_result is succeeded
when: when:
- ansible_lsb.codename == 'stretch' - "ansible_virtualization_role == 'host'"
- name: Install Prometheus node-exporter collectors (bullseye) - name: Enable prometheus-node-exporter
apt:
update_cache: true
name: prometheus-node-exporter-collectors
install_recommends: false
register: apt_result
retries: 3
until: apt_result is succeeded
when: ansible_facts['lsb']['codename'] == 'bullseye'
- name: Activate prometheus-node-exporter service
systemd: systemd:
name: prometheus-node-exporter name: prometheus-node-exporter
enabled: true enabled: true
state: started state: started
...
# Doesn't work on Debian Stretch with the old prometheus package
- name: Make Prometheus node-exporter listen on adm only
lineinfile:
path: /etc/default/prometheus-node-exporter
regexp: '^ARGS='
line: |
ARGS="--web.listen-address={{ ansible_hostname }}.adm.auro.re:9100"
notify: Restart prometheus-node-exporter