Ansible Role: Metronome

An Ansible role to install and configure Metronome.

Requirements

An Ansible 2.2 or higher installation.

Dependencies

None.

Role Variables

Available variables are listed below, along with default values (see defaults/main.yml):

metronome_install_repo: ""

By default, Metronome is installed from the repositories available on the host.

metronome_install_repo: "{{ metronome_powerdns_repo_master }}"

Master build of Metronome can be installed setting the metronome_install_repo variable as shown above.

metronome_install_debug_symbols_package: False

Install Metronome symbols package

metronome_user: "metronome"
metronome_group: "metronome"

The user and group running the metronome service.

metronome_carbon_address: "[::]:2003"

The listen address for the incoming carbon messages.

metronome_webserver_address: "[::]:8000"

The listen address for the embedded web-server.

metronome_stats_directory: '/var/lib/metronome'

The directory in which metronome will store the collected stats files.

metronome_replace_local_js: True
metronome_local_js_scheme: 'http'
metronome_local_js_address: "{{ ansible_default_ipv4['address'] }}"
metronome_local_js_url: '/'

If metronome_replace_local_js is set to True, the role will override the default metronome local.js in order to make the metronome UI connect to the metronome instance available at metronome_local_js_address via metronome_local_js_scheme.

metronome_service_overrides: {}

Dict with overrides for the service (systemd only). This can be used to change any systemd settings in the [Service] category

metronome_cleanup_job_enabled: False

When True, configure a cronjob to cleanup old Metronome data.

metronome_cleanup_job_retention: "30"

Retention in days of the Metronome data. Files older than the specified value will be deleted by the cleanup cronjob.

metronome_cleanup_job_weekday: "*"
metronome_cleanup_job_hour: "1"
metronome_cleanup_job_minute: "30"

Schedule of the cronjon to cleanup old Metronome data.

Changelog

A detailed changelog of all the changes applied to the role is available here.

Testing

Tests are performed by Molecule.

$ pip install tox

To test all the scenarios run

$ tox

To run a custom molecule command

$ tox -e py27-ansible22 -- molecule test -s metronome-master

License

MIT