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Monitoring for Docker Hosts

License Maintenance

This stack uses Telegraf, InfluxDb, Grafana, Loki, Promtail and Traefik.

Prerequisites

Before using this project, please ensure you have the following prerequisites :

  • A host with docker installed, and a priviledged access to this host,
  • docker-compose
  • A docker-compose stack running Traefik
    • any usage of versions below v2.6 may need some adjustements of the docker-compose.yml
  • An available DNS entry pointing to your host, for exposing Grafana

Quick Start

Edit Configuration

$ cp .env.example .env

Edit the .env file with your values.

Run the setup script :

$ ./setup.sh

Run the monitoring stack

$ docker-compose up -d

Traefik Annotations

Adjust the docker-compose.yml annotations for Traefik to match your mesh configuration.

Setup the correct Docker Network

In our project, we are using a docker network named dockernet.
We have created it with the following command :

docker network create dockernet

Be sure your Traefik instance is connected to that network.

If you want to use another docker network :

  1. Replace all dockernet strings present in this repository by your docker network name.

Running the monitoring stack

Running the stack

docker-compose up -d

FAQ

How to add a provisionned Grafana dashboard ?

Just add the dashboard JSON file into the config/grafana/dashboards then restart the monitoring stack.

How can I find compatible Grafana dashboards ?

Go to the Grafana Website and search dashboards with InfluxDb2 Data Source.

Troubleshooting

If no docker metrics are detected

Check the Telegraf logs, maybe it cannot access to the docker.sock file. Adjust access rights accordingly on the docker host.

docker-compose logs -f

Inspirations

This monitoring stack was inspired by many projects available on Internet :

Licensing

This repository is licensed under the Apache License, Version 2.0. See LICENSE for the full license text.

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