Setting up Mautrix Google Messages bridging (optional)

The playbook can install and configure mautrix-gmessages for you, for bridging to Google Messages.

See the project's documentation to learn what it does and why it might be useful to you.

Prerequisite (optional)

If you want to set up Double Puppeting (hint: you most likely do) for this bridge automatically, you need to have enabled Appservice Double Puppet for this playbook.

For details about configuring Double Puppeting for this bridge, see the section below: Set up Double Puppeting

Adjusting the playbook configuration

To enable the bridge, add the following configuration to your inventory/host_vars/matrix.example.com/vars.yml file:

matrix_mautrix_gmessages_enabled: true

Installing

After configuring the playbook, run it with playbook tags as below:

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 are also available: just install-all or just setup-all

just install-all is useful for maintaining your setup quickly (2x-5x faster 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 @gmessagesbot:example.com (where example.com is your base domain, not the matrix. domain).

💡 Set up Double Puppeting

After successfully enabling bridging, you may wish to set up Double Puppeting (hint: you most likely do).

To set it up, you have 2 ways of going about it.

Method 1: automatically, by enabling Appservice Double Puppet

The bridge automatically performs Double Puppeting if Appservice Double Puppet service is configured and enabled on the server for this playbook.

This is the recommended way of setting up Double Puppeting, as it's easier to accomplish, works for all your users automatically, and has less of a chance of breaking in the future.

Method 2: manually, by asking each user to provide a working access token

When using this method, each user that wishes to enable Double Puppeting needs to follow the following steps:

retrieve a Matrix access token for yourself. Refer to the documentation on how to do that.
send the access token to the bot. Example: login-matrix MATRIX_ACCESS_TOKEN_HERE
make sure you don't log out the Mautrix-gmessages device some time in the future, as that would break the Double Puppeting feature

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