matrix-docker-ansible-deploy/docs/configuring-playbook-bridge-mautrix-slack.md
Suguru Hirahara e4e34333da
Update files for some mautrix bridges: add the common section "Troubleshooting"
Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
2025-02-07 15:34:38 +09:00

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# Setting up Mautrix Slack bridging (optional)
<sup>Refer the common guide for configuring mautrix bridges: [Setting up a Generic Mautrix Bridge](configuring-playbook-bridge-mautrix-bridges.md)</sup>
**Note**: bridging to [Slack](https://slack.com/) can also happen via the [mx-puppet-slack](configuring-playbook-bridge-mx-puppet-slack.md) and [matrix-appservice-slack](configuring-playbook-bridge-appservice-slack.md) bridges supported by the playbook.
- For using as a Bot we recommend the [Appservice Slack](configuring-playbook-bridge-appservice-slack.md), because it supports plumbing. Note that it is not available for new installation unless you have already created a classic Slack application, because the creation of classic Slack applications, which this bridge makes use of, has been discontinued.
- For personal use with a slack account we recommend the `mautrix-slack` bridge (the one being discussed here), because it is the most fully-featured and stable of the 3 Slack bridges supported by the playbook.
The playbook can install and configure [mautrix-slack](https://github.com/mautrix/slack) for you.
See the project's [documentation](https://docs.mau.fi/bridges/go/slack/index.html) to learn what it does and why it might be useful to you.
See the [features and roadmap](https://github.com/mautrix/slack/blob/main/ROADMAP.md) for more information.
## Prerequisites
For using this bridge, you would need to authenticate by **providing your username and password** (legacy) or by using a **token login**. See more information in the [docs](https://docs.mau.fi/bridges/go/slack/authentication.html).
Note that neither of these methods are officially supported by Slack. [matrix-appservice-slack](configuring-playbook-bridge-appservice-slack.md) uses a Slack bot account which is the only officially supported method for bridging a Slack channel.
### Enable Appservice Double Puppet (optional)
If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) service for this playbook.
See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting 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:
```yaml
matrix_mautrix_slack_enabled: true
```
### Extending the configuration
There are some additional things you may wish to configure about the bridge.
<!-- NOTE: relay mode is not supported for this bridge -->
See [this section](configuring-playbook-bridge-mautrix-bridges.md#extending-the-configuration) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about variables that you can customize and the bridge's default configuration, including [bridge permissions](configuring-playbook-bridge-mautrix-bridges.md#configure-bridge-permissions-optional), [encryption support](configuring-playbook-bridge-mautrix-bridges.md#enable-encryption-optional), [bot's username](configuring-playbook-bridge-mautrix-bridges.md#set-the-bots-username-optional), etc.
## 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
To use the bridge, you need to start a chat with `@slackbot:example.com` (where `example.com` is your base domain, not the `matrix.` domain).
You can then follow instructions on the bridge's [official documentation on Authentication](https://docs.mau.fi/bridges/go/slack/authentication.html).
If you authenticated using a token, the recent chats will be bridged automatically (depending on the `conversation_count` setting). Otherwise (i.e. logging with the Discord application), the chats the bot is in will be bridged automatically.
## Troubleshooting
As with all other services, you can find the logs in [systemd-journald](https://www.freedesktop.org/software/systemd/man/systemd-journald.service.html) by logging in to the server with SSH and running `journalctl -fu matrix-mautrix-slack`.
### Increase logging verbosity
The default logging level for this component is `warn`. If you want to increase the verbosity, add the following configuration to your `vars.yml` file and re-run the playbook:
```yaml
# Valid values: fatal, error, warn, info, debug, trace
matrix_mautrix_slack_logging_level: 'debug'
```