matrix-docker-ansible-deploy/docs/configuring-playbook-bridge-heisenbridge.md
Suguru Hirahara d1bf29f114
Use common expressions for using a bridge
"To use the bridge, you need to start a chat with …" is well used among the documentation.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
2024-12-09 14:41:38 +09:00

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# Setting up Heisenbridge bouncer-style IRC bridging (optional)
**Note**: bridging to [IRC](https://en.wikipedia.org/wiki/Internet_Relay_Chat) can also happen via the [matrix-appservice-irc](configuring-playbook-bridge-appservice-irc.md) bridge supported by the playbook.
The playbook can install and configure [Heisenbridge](https://github.com/hifi/heisenbridge) - the bouncer-style [IRC](https://en.wikipedia.org/wiki/Internet_Relay_Chat) bridge for you.
See the project's [README](https://github.com/hifi/heisenbridge/blob/master/README.md) to learn what it does and why it might be useful to you. You can also take a look at [this demonstration video](https://www.youtube.com/watch?v=nQk1Bp4tk4I).
## Configuration
To enable Heisenbridge, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
```yaml
matrix_heisenbridge_enabled: true
# Setting the owner is optional as the first local user to DM `@heisenbridge:example.com` will be made the owner.
# If you are not using a local user you must set it as otherwise you can't DM it at all.
matrix_heisenbridge_owner: "@alice:{{ matrix_domain }}"
# Uncomment to enable identd on host port 113/TCP (optional)
# matrix_heisenbridge_identd_enabled: true
```
For a more complete list of variables that you could override, see the [`defaults/main.yml` file](../roles/custom/matrix-bridge-heisenbridge/defaults/main.yml) of the Heisenbridge Ansible role.
### Adjusting the Heisenbridge URL
By default, this playbook installs Heisenbridge on the `matrix.` subdomain, at the `/heisenbridge` path (https://matrix.example.com/heisenbridge). It would handle media requests there (see the [release notes for Heisenbridge v1.15.0](https://github.com/hifi/heisenbridge/releases/tag/v1.15.0)).
This makes it easy to install it, because it **doesn't require additional DNS records to be set up**. If that's okay, you can skip this section.
By tweaking the `matrix_heisenbridge_hostname` and `matrix_heisenbridge_path_prefix` variables, you can easily make the service available at a **different hostname and/or path** than the default one.
Example additional configuration for your `inventory/host_vars/matrix.example.com/vars.yml` file:
```yaml
# Change the default hostname and path prefix
matrix_heisenbridge_hostname: heisenbridge.example.com
matrix_heisenbridge_path_prefix: /
```
## Adjusting DNS records
If you've changed the default hostname, **you may need to adjust your DNS** records to point the Heisenbridge domain to the Matrix server.
See [Configuring DNS](configuring-dns.md) for details about DNS changes.
If you've decided to use the default hostname, you won't need to do any extra DNS configuration.
## Installing
After configuring the playbook and potentially [adjusting your DNS records](#adjusting-dns-records), run the playbook 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
To use the bridge, you need to start a chat with `@heisenbridge:example.com` (where `example.com` is your base domain, not the `matrix.` domain). If the bridge ignores you and a DM is not accepted then the owner setting may be wrong.
Help is available for all commands with the `-h` switch.
You can also learn the basics by watching [this demonstration video](https://www.youtube.com/watch?v=nQk1Bp4tk4I).
If you encounter issues or feel lost you can join the project room at [#heisenbridge:vi.fi](https://matrix.to/#/#heisenbridge:vi.fi) for help.