System monitoring

Prometheus + Alertmanager + Grafana + Telegram-bot

##Usage

Specify hosts for monitoring in ./prometheus/config.yml
Specify telegram chat_id in ./alertmanager/config.yml
Specify telegram bot token in ./telegram-sender/config.yaml
Run docker-compose up

Now grafana is available at host:3000, prometheus at host:9090

Default grafana credentials: admin / admin

Install on target machine

Run ./install-node-exporter.sh script
Add machine in ./prometheus/config.yml
Rebuild prometheus container docker-compose up -d --force-recreate --no-deps prometheus