rogercoll / raspberry-prometheus

Raspberry PI metrics using Prometheus and Grafana.

Raspberry Cluster monitoring

Ansible roles to install and configure a cluster of Raspberry Pi (2, 3 and 4).

Grafana Dashboard

Prometheus Alerts

Ansible Roles

Basic Config

Scope: all

• Configure SSH public key and disable password authentification.
• Install vim

Node exporter

Scope: all

• Installs and exposes Prometheus Node Exporter as a systemd service.

Used for general system metrics.

RPI exporter

Scope: all

• Installs and exposes Prometheus RPI Exporter as a systemd service.

Collects cpu and gpu temperature metrics.

RPI metrics

Scope: all

• Exposes default Docker daemon metrics for Prometheus.

The idea of this role is to add custom and additional metrids. TODO: Add google/cadvisor exporter for running containers.

Prometheus

Scope: master

• Installs and configures Prometheus with all exporters endpoints.

Grafana

Scope: master

• Installs and configures Grafana with an example dashboard.

Usage

Modify the inventory file with the corresponding IPs of your raspberries:

[master]
192.168.1.90

[nodes]
192.168.1.70
192.168.1.80
192.168.1.60

Run raspberry.yml playbook:

make all
// Or
ansible-galaxy install -r requirements.yml --roles-path roles/ && ansible-playbook raspberry.yml -i inventory

Extra

• Cool alert rules file: https://gist.github.com/krisek/62a98e2645af5dce169a7b506e999cd8#file-alert-rules-yml