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Update documentation for components which do not require subdomain settings by default

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This adopts the structure of docs/configuring-playbook-matrix-authentication-service.md which was recently created.

- …
- Adjusting the playbook configuration
  - …
  - Adjusting the (service name here) URL
  - …
- Adjusting DNS records
- Installing
- …

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
This commit is contained in:
Suguru Hirahara
2024-10-21 05:15:21 +09:00
parent ea6e879487
commit c892971e89
10 changed files with 226 additions and 53 deletions
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31
docs/configuring-playbook-alertmanager-receiver.md
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@ -10,19 +10,11 @@ This service is meant to be used with an external [Alertmanager](https://prometh
## Adjusting the playbook configuration
Add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
To enable matrix-alertmanager-receiver, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
```yml
matrix_alertmanager_receiver_enabled: true
# This exposes matrix-alertmanager-receiver on the `matrix.` domain.
# Adjust, if necessary.
matrix_alertmanager_receiver_hostname: "{{ matrix_server_fqn_matrix }}"
# This exposes matrix-alertmanager-receiver under a path prefix containing a random (secret) value.
# Adjust the `RANDOM_VALUE_HERE` part with a long and secure value.
matrix_alertmanager_receiver_path_prefix: /matrix-alertmanager-receiver-RANDOM_VALUE_HERE
# If you'd like to change the username for this bot, uncomment and adjust. Otherwise, remove.
# matrix_alertmanager_receiver_config_matrix_user_id_localpart: "bot.alertmanager.receiver"
@ -43,6 +35,27 @@ matrix_alertmanager_receiver_config_matrix_room_mapping:
See `roles/custom/matrix-alertmanager-receiver/defaults/main.yml` for additional configuration variables.
### Adjusting the matrix-alertmanager-receiver URL
By default, this playbook installs matrix-alertmanager-receiver on the `matrix.` subdomain, at the `/matrix-alertmanager-receiver` path (https://matrix.example.com/matrix-alertmanager-receiver). 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_alertmanager_receiver_hostname` and `matrix_alertmanager_receiver_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_alertmanager_receiver_hostname: alertmanager.example.com
matrix_alertmanager_receiver_path_prefix: /
```
## Adjusting DNS records
If you've changed the default hostname, **you may need to adjust your DNS** records to point the matrix-alertmanager-receiver 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.
## Account and room preparation