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playbook-tags.md

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Playbook tags

The Ansible playbook's tasks are tagged, so that certain parts of the Ansible playbook can be run without running all other tasks.

The general command syntax is: ansible-playbook -i inventory/hosts setup.yml --tags=COMMA_SEPARATED_TAGS_GO_HERE

Here are some playbook tags that you should be familiar with:

  • setup-all - runs all setup tasks (installation and uninstallation) for all components, but does not start/restart services

  • install-all - like setup-all, but skips uninstallation tasks. Useful for maintaining your setup quickly when its components remain unchanged. If you adjust your vars.yml to remove components, you'd need to run setup-all though, or these components will still remain installed

  • setup-SERVICE (e.g. setup-postmoogle) - runs the setup tasks only for a given role, but does not start/restart services. You can discover these additional tags in each role (roles/**/tasks/main.yml). Running per-component setup tasks is not recommended, as components sometimes depend on each other and running just the setup tasks for a given component may not be enough. For example, setting up the mautrix-telegram bridge, in addition to the setup-mautrix-telegram tag, requires database changes (the setup-postgres tag) as well as reverse-proxy changes (the setup-nginx-proxy tag).

  • install-SERVICE (e.g. install-postmoogle) - like setup-SERVICE, but skips uninstallation tasks. See install-all above for additional information.

  • start - starts all systemd services and makes them start automatically in the future

  • stop - stops all systemd services

  • ensure-matrix-users-created - a special tag which ensures that all special users needed by the playbook (for bots, etc.) are created

Notes:

  • setup-* tags and install-* tags do not start services automatically, because you may wish to do things before starting services, such as importing a database dump, restoring data from another server, etc.
  • Please be careful not to confuse the playbook tags with the just shortcut commands ("recipes"). For details about just commands, see: Running just commands