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Service discovery for Prometheus using devices from Netbox.

Legal

This project is released under MIT license, copyright 2018 ENIX SAS.

Contribute

Feel free to contribute to this project through Github pull-requests. We also accept well formatted git patches sent by email to the maintainer.

Current Maintainer: Antoine Millet <antoine.millet at enix.io>

Requirement

This project requires Python 3 and Pynetbox.

Also, this project requires a custom field to be created into your Netbox instance. By default, this custom field is named prom_labels and can be created in the Netbox admin page (Home -> Extras -> Custom fields) with the following settings:

  • Objects: select dcim > device and virtualization > virtual machine
  • Type: Text
  • Name: prom_labels

Usage

usage: netbox-prometheus-sd.py [-h] [-p PORT] [-f CUSTOM_FIELD]
                               url token output

positional arguments:
  url                   URL to Netbox
  token                 Authentication Token
  output                Output file

optional arguments:
  -h, --help            show this help message and exit
  -p PORT, --port PORT  Default target port; Can be overridden using the
                        __port__ label
  -f CUSTOM_FIELD, --custom-field CUSTOM_FIELD
                        Netbox custom field to use to get the target labels

The service discovery script requires the URL to the Netbox instance, an API token that can be generated into the user profile page of Netbox and a path to an output file.

Optionally, you can customize the custom field used to get target labels in Netbox using the --custom-field option. You can also customize the default port on which the target will point to using the --port option. Note that this port can be customized per target using the __port__ label set in the custom field.

The output will be generated in the file pointed by the output argument.

In the Prometheus configuration, declare a new scrape job using the file_sd_configs service discovery:

- job_name: 'netbox'
  file_sd_configs:
  - files:
    - '/path/to/my/output.json'