Install Prometheus and Grafana for monitoring

[php-coder]

• install Prometheus (http://localhost:9090)
  • should monitor itself (?)
  • should monitor node-exporter
  • should notify when node-exporter is down
• install Grafana
• install node-exporter (http://localhost:9100)
• install alert-manager (http://localhost:9093)
• add ansible roles

[php-coder]

Related:

• https://www.callicoder.com/spring-boot-actuator-metrics-monitoring-dashboard-prometheus-grafana/
• https://grafana.com/grafana/dashboards/6756
• https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/canvas/
• https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/node-graph/
• https://docs.ansible.com/ansible/latest/collections/community/grafana/index.html
• https://docs.ansible.com/ansible/latest/collections/community/grafana/grafana_dashboard_module.html
• https://prometheus-community.github.io/ansible/branch/main/