Add appservice-webhooks configuration documentation

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Björn Marten 2020-01-10 14:53:33 +01:00
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# Setting up Appservice Webhooks (optional)
The playbook can install and configure [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) for you.
Setup Instructions:
loosely based on [this](https://github.com/turt2live/matrix-appservice-webhooks/blob/master/README.md)
1. All you basically need is to adjust your `inventory/host_vars/matrix.<domain-name>/host-vars.yml`:
```yaml
matrix_appservice_webhooks_enabled: true
matrix_appservice_webhooks_api_secret: '<your_secret>'
```
2. In case you want to change the verbosity of logging via `journalctl -fu matrix-appservice-webhooks.service`
you can adjust this in `inventory/host_vars/matrix.<domain-name>/host-vars.yml` as well.
<br>
*Note*: default value is: `info` and availabe log levels are : `info, verbose`
```yaml
matrix_appservice_webhooks_log_level: '<log_level>'
```
3. If you've already installed Matrix services using the playbook before, you'll need to re-run it (`--tags=setup-all,start`). If not, proceed with [configuring other playbook services](configuring-playbook.md) and then with [Installing](installing.md). Get back to this guide once ready.
4. Invite the bridge bot user to your room:
- either with:
```
/invite @_webhook:matrix.<domain.name>
```
*Note*: Make sure you have administration permissions in your room
- or simply add the bridge bot to a private channel (personal channels imply you being an administrator)
5. Send a message to the bridge bot in order to receive a private message including the webhook link.
```
!webhook
```
6. The JSON body for posting messages will have to look like this:
```
{
"text": "Hello world!",
"format": "plain",
"displayName": "My Cool Webhook",
"avatarUrl": "http://i.imgur.com/IDOBtEJ.png"
}
```
- You can test this via curl like so:
```
curl --header "Content-Type: application/json" \
--data '{
"text": "Hello world!",
"format": "plain",
"displayName": "My Cool Webhook",
"avatarUrl": "http://i.imgur.com/IDOBtEJ.png"
}' \
<the link you've gotten in 5.>
```