Monitoring ansible setup

   

Overview

Role to setup a new monitoring server. This stack is modular and comes with:

• Grafana
• Prometheus
• Loki
• Node_exporter
• Promtail

This has been tested on:

• RHEL based distros
• Debian
• Ubuntu

Tip

The testing will be done using molecule and is automated using github-actions.

Requirements

A machine with an SSH connection.

Role Variables

The variables are defined in defaults/main.yml. These should be configured as needed:

Variable	Default	Info
download_location	/tmp	Download location
packages	[]	General packages that should be installed
---
grafana_version	x.x.x	Package version to be installed
grafana_datasources	[]	Datasources that should be added
---
prometheus_user	prometheus	User for prometheus installation
prometheus_version	x.x.x	Package version to be installed
prometheus_scrape_config_jobs	[]	Define scrap jobs
---
node_exporter_user	node_exporter	User for node_exporter installation
node_exporter_version	x.x.x	Package version to be installed
node_exporter_architecture	amd64	Package architecture
---
loki_user	loki	User for loki installation
loki_version	x.x.x	Package version to be installed
---
promtail_user	promtail	User for promtail installation
promtail_version	x.x.x	Package version to be installed
promtail_architecture	amd64	Package architecture
promtail_loki_server	127.0.0.1	Loki server to ship to
promtail_scrape_configs	[]	Files to scrape for logging

Example playbook

Note

Use ansible tags to select which components to setup. Multiple ones can be selected at once.

---
- name: test playbook
  hosts: general

  roles:
  - role: ansible-monitoring -b --tags 'prometheus'