tp/prometheus.md

Prometheus

Debian 13

useradd --system --no-create-home --user-group --shell /usr/sbin/nologin prometheus
wget https://github.com/prometheus/prometheus/releases/download/v3.7.3/prometheus-3.7.3.linux-amd64.tar.gz
tar xvf prometheus-*.tar.gz

Déplacer les binaires

mv prometheus-*/prometheus /usr/local/bin/
mv prometheus-*/promtool /usr/local/bin/
chown prometheus:prometheus /usr/local/bin/prometheus
chown prometheus:prometheus /usr/local/bin/promtool

Créer le dossier de configuration

mkdir /etc/prometheus
mkdir /etc/prometheus/consoles
mkdir /etc/prometheus/console_libraries
mv prometheus-*/prometheus.yml /etc/prometheus
chown -R prometheus:prometheus /etc/prometheus

Créer le dossier pour les données

mkdir /var/lib/prometheus
chown -R prometheus:prometheus /var/lib/prometheus

Créer le service

nano /etc/systemd/system/prometheus.service

[Unit]
Description=Prometheus Monitoring
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
Group=prometheus
Type=simple
ExecStart=/usr/local/bin/prometheus \
  --config.file /etc/prometheus/prometheus.yml \
  --storage.tsdb.path /var/lib/prometheus/ \
  --web.console.templates=/etc/prometheus/consoles \
  --web.console.libraries=/etc/prometheus/console_libraries
Restart=always


[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl enable --now prometheus

Raspberry Pi 3B+

wget https://github.com/prometheus/prometheus/releases/download/v3.7.3/prometheus-3.7.3.linux-armv7.tar.gz
tar xfz prometheus-3.7.3.linux-armv7.tar.gz
mv prometheus-3.7.3.linux-armv7 prometheus
rm prometheus-3.7.3.linux-armv7.tar.gz
sudo nano /etc/systemd/system/prometheus.service

[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
User=iut
Restart=on-failure

ExecStart=/home/iut/prometheus/prometheus \
  --config.file=/home/iut/prometheus/prometheus.yml \
  --storage.tsdb.path=/home/iut/prometheus/data

[Install]
WantedBy=multi-user.target

sudo systemctl enable --now prometheus
sudo systemctl status prometheus

Docker

docker run --detach --name prometheus \
  --network proxy_net \
  -p "9090:9090" \
  -v prometheus:/prometheus \
  -v ./prometheus:/etc/prometheus/targets \
  -l "caddy=prometheus.localhost" \
  -l "caddy.reverse_proxy={{upstreams 9090}}" \
  -l "caddy.tls=internal" \
  prom/prometheus:v3.8.0

prometheus:

command:
  - '--config.file=/etc/prometheus/prometheus.yml'
configs:
  - source: prometheus_config
    target: /etc/prometheus/prometheus.yml
volumes:
  - /var/run/docker.sock:/var/run/docker.sock:ro
extra_hosts:
  - host.docker.internal=host-gateway

#/etc/docker/daemon.json #{

"metrics-addr": "0.0.0.0:9323"

#}