tp/prometheus.md

# Prometheus

## Debian 13

```shell
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

```shell
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

```shell
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

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

## Raspberry Pi 3B+

```shell
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
```

```shell
$ sudo systemctl enable --nows prometheus
$ sudo systemctl status prometheus
```