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services/roles/pretix/README.md

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finallycoffee.services.pretix ansible role

Deploy pretix using ansible. Note that this role does not configure pretix beyond its own configuration file, and requires changing a default admin password after a successful installation.

Configuration

For all available configuration options, see defaults/main/config.yml and other supporting files in the defaults/main/ folder.

To add custom configuration to pretix, populate them in pretix_config, where they will be (recusively) merged into the default configuration.

Required

  • pretix_domain: domain of the pretix instance
  • pretix_postgresql_password: password for the (default: postgresql) database
  • pretix_config_redis_location: connection string for the main pretix redis database
  • pretix_config_celery_backend: connection string for the celery backend, can be a (different!) redis database
  • pretix_config_celery_broker: connection string for the celery broker, can be a (yet another different) redis database

For examples on how a redis server (like valkey) can be configured for redis, see playbooks/pretix.yml.

Mailing

Set up mails in pretix by populating the following variables:

  • pretix_config_mail_host: domain/IP and optional port of the SMTP server
  • pretix_config_mail_user: SMTP user to authenticate
  • pretix_config_mail_password: password for the SMTP user

Plugins

To install more plugins, list the wanted pypi packages as a list in pretix_plugins. They will be installed in the created virtualenv, and migrations and an asset rebuild will be automatically started.

If your plugin requires custom configuration (f.ex.: pretix-oidc), add the configuration into pretix_config.

Troubleshooting

virtualenv

By default, the virtualenv is located in /var/lib/pretix/virtualenv. This can be controlled by setting pretix_virtualenv_dir.

NOTE: To fix a broken virtualenv, try setting pretix_virtualenv_state to forcereinstall (see ansible.builtin.pip on docs.ansible.com).

NOTE: To install pip packages or execute migrations in the virtualenv, ansible needs to become the unprivilated pretix_user (default: pretix). This might require having the acl system package installed.