matrix-docker-ansible-deploy/docs/configuring-playbook-appservice-double-puppet.md
Suguru Hirahara 532d5e21b0
Update docs/configuring-playbook-appservice-double-puppet.md (#3956)
* Update docs/configuring-playbook-appservice-double-puppet.md: add the common section "Extending the configuration"

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-appservice-double-puppet.md: introduction and usage

The section linked from https://docs.mau.fi/bridges/general/double-puppeting.html#appservice-method-new has been removed.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

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Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
2025-01-17 17:32:56 +02:00

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# Setting up Appservice Double Puppet (optional)
The playbook can install and configure the Appservice Double Puppet service for you. It is a homeserver appservice through which bridges (and potentially other services) can impersonate any user on the homeserver.
This is useful for performing [double-puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) via the appservice method. The service is an implementation of this approach.
Previously, bridges supported performing double-puppeting with the help of the [Shared Secret Auth password provider module](./configuring-playbook-shared-secret-auth.md), but this old and hacky solution has been superseded by this Appservice Double Puppet method.
## Adjusting the playbook configuration
To enable the Appservice Double Puppet service, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
```yaml
matrix_appservice_double_puppet_enabled: true
```
### Extending the configuration
There are some additional things you may wish to configure about the service.
Take a look at:
- `roles/custom/matrix-appservice-double-puppet/defaults/main.yml` for some variables that you can customize via your `vars.yml` file. You can override settings (even those that don't have dedicated playbook variables) using the `matrix_appservice_double_puppet_registration_configuration_extension_yaml` variable
## Installing
After configuring the playbook, run it with [playbook tags](playbook-tags.md) as below:
<!-- NOTE: let this conservative command run (instead of install-all) to make it clear that failure of the command means something is clearly broken. -->
```sh
ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,ensure-matrix-users-created,start
```
**Notes**:
- The `ensure-matrix-users-created` playbook tag makes the playbook automatically create the bot's user account.
- The shortcut commands with the [`just` program](just.md) are also available: `just install-all` or `just setup-all`
`just install-all` is useful for maintaining your setup quickly ([2x-5x faster](../CHANGELOG.md#2x-5x-performance-improvements-in-playbook-runtime) than `just setup-all`) when its components remain unchanged. If you adjust your `vars.yml` to remove other components, you'd need to run `just setup-all`, or these components will still remain installed.
## Usage
Installing the service will automatically enable double puppeting for all bridges that support double puppeting via the appservice method.