DOCS: Shoutrrr added list of notification services (#3242)

Co-authored-by: Tom Limoncelli <tlimoncelli@stackoverflow.com>
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# Notifications
DNSControl has build in support for notifications when changes are made. This allows you to post messages in team chat, or send emails when dns changes are made.
Notifications are written in the [notifications package](https://github.com/StackExchange/dnscontrol/tree/main/pkg/notifications), and is a really simple interface to implement if you want to add
new types or destinations.
DNSControl's "notifications" feature will log `push` changes to other services in real time. Typically this is used to automatically announce DNS changes in a team chatroom. The functionality is implemented using the open source [Shoutrrr](https://github.com/containrrr/shoutrrr) library, which knows how to communicate to many different systems. Some additional services are provided natively, see the [notifications package](https://github.com/StackExchange/dnscontrol/tree/main/pkg/notifications).
## Configuration
Notifications are set up in your credentials JSON file. They will use the `notifications` key to look for keys or configuration needed for various notification types.
Notifications are configured in the `creds.json` file, since they often contain API keys or other secrets. The `notifications` key lists the notification service and options.
{% code title="creds.json" %}
```json
"r53": {
...
},
"gcloud": {
...
} ,
{
"r53": {},
"gcloud": {},
"notifications": {
"slack_url": "https://api.slack.com/apps/0XXX0X0XX0/incoming-webhooks",
"teams_url": "https://outlook.office.com/webhook/00000000-0000-0000-0000-000000000000@00000000-0000-0000-0000-000000000000/IncomingWebhook/00000000000000000000000000000000/00000000-0000-0000-0000-000000000000",
"shoutrrr_url": "discover://token@id"
"slack_url": "https://api.slack.com/apps/0XXX0X0XX0/incoming-webhooks",
"teams_url": "https://outlook.office.com/webhook/00000000-0000-0000-0000-000000000000@00000000-0000-0000-0000-000000000000/IncomingWebhook/00000000000000000000000000000000/00000000-0000-0000-0000-000000000000",
"shoutrrr_url": "discover://token@id"
}
}
```
{% endcode %}
@ -67,25 +62,62 @@ dnscontrol push --notify
Successfully ran correction for **example.com[my_provider]** - CREATE foo.example.com A 1.2.3.4 ttl=86400
```
## Notification types
## Notification services
### Shoutrrr
DNSControl supports various notification methods via Shoutrrr, including email (SMTP), Discord, Pushover, and many others. For detailed setup instructions, click on the desired service:
* [Bark](https://containrrr.dev/shoutrrr/latest/services/bark/)
* [Discord](https://containrrr.dev/shoutrrr/latest/services/discord/)
* [Email](https://containrrr.dev/shoutrrr/latest/services/email/)
* [Google Chat](https://containrrr.dev/shoutrrr/latest/services/googlechat/)
* [Gotify](https://containrrr.dev/shoutrrr/latest/services/gotify/)
* [IFTTT](https://containrrr.dev/shoutrrr/latest/services/ifttt/)
* [Join](https://containrrr.dev/shoutrrr/latest/services/join/)
* [Matrix](https://containrrr.dev/shoutrrr/latest/services/matrix/)
* [Mattermost](https://containrrr.dev/shoutrrr/latest/services/mattermost/)
* [Ntfy](https://containrrr.dev/shoutrrr/latest/services/ntfy/)
* [OpsGenie](https://containrrr.dev/shoutrrr/latest/services/opsgenie/)
* [Pushbullet](https://containrrr.dev/shoutrrr/latest/services/pushbullet/)
* [Pushover](https://containrrr.dev/shoutrrr/latest/services/pushover/)
* [Rocketchat](https://containrrr.dev/shoutrrr/latest/services/rocketchat/)
* [Slack](https://containrrr.dev/shoutrrr/latest/services/slack/)
* [Teams](https://containrrr.dev/shoutrrr/latest/services/teams/)
* [Telegram](https://containrrr.dev/shoutrrr/latest/services/telegram/)
* [Zulip Chat](https://containrrr.dev/shoutrrr/latest/services/zulip/)
The above list is accurate as of 2024-Dec. The compete list and all configuration details are in the [Shoutrrr documentation](https://containrrr.dev/shoutrrr/latest/services/overview/).
Configure `shoutrrr_url` with the Shoutrrr URL to be notified.
{% code title="creds.json" %}
```json
{
"notifications": {
"shoutrrr_url": "discover://token@id"
}
}
```
{% endcode %}
### Slack/Mattermost
If you want to use the Slack integration, you need to create a webhook in Slack.
Please see the [Slack documentation](https://api.slack.com/messaging/webhooks) or the [Mattermost documentation](https://developers.mattermost.com/integrate/webhooks/incoming/)
To use the Slack integration, you need to create a webhook in Slack.
Please see the [Slack documentation](https://api.slack.com/messaging/webhooks) or the [Mattermost documentation](https://docs.mattermost.com/developer/webhooks-incoming.html)
Configure `slack_url` to this webhook. Mattermost works as well, as they share the same api,
### Microsoft Teams
If you want to use the Teams integration, you need to create a webhook in Teams.
To use the Teams integration, you need to create a webhook in Teams.
Please see the [Teams documentation](https://docs.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/add-incoming-webhook#add-an-incoming-webhook-to-a-teams-channel)
Configure `teams_url` to this webhook.
### Telegram
If you want to use the [Telegram](https://telegram.org/) integration, you need to create a Telegram bot and obtain a Bot Token, as well as a Chat ID. Get a Bot Token by contacting [@BotFather](https://telegram.me/botfather), and a Chat ID by contacting [@myidbot](https://telegram.me/myidbot).
To use the [Telegram](https://telegram.org/) integration, you need to create a Telegram bot and obtain a Bot Token, as well as a Chat ID. Get a Bot Token by contacting [@BotFather](https://telegram.me/botfather), and a Chat ID by contacting [@myidbot](https://telegram.me/myidbot).
Configure `telegram_bot_token` and `telegram_chat_id` to these values.
@ -94,19 +126,3 @@ Configure `telegram_bot_token` and `telegram_chat_id` to these values.
This is Stack Overflow's built in chat system. This is probably not useful for most people.
Configure `bonfire_url` to be the full url including room and api key.
### Shoutrrr (email, Discord, Pushover, etc.)
DNSControl can use many other notification methods via Shoutrrr, such as email (SMTP), Discord, Pushover and others. See the [Shoutrrr documentation](https://containrrr.dev/shoutrrr/latest/services/overview/) for a list of supported methods and configuration instructions.
Configure `shoutrrr_url` with the Shoutrrr URL to be notified.
## Future work
Yes, this seems pretty limited right now in what it can do. We didn't want to add a bunch of notification types if nobody was going to use them. The good news is, it should
be really simple to add more. We gladly welcome any PRs with new notification destinations. Some easy possibilities:
- Email
- Generic Webhooks
Please update this documentation if you add anything.