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105 lines
3.1 KiB
Markdown
105 lines
3.1 KiB
Markdown
![Alertbot banner](assets/alertbanner.png)
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# Alertbot
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This bot uses the webhook functionality of monitoring/alerting solutions like Grafana or Alertmanager to forward alerts to matrix rooms.
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This means that you no longer have to use E-Mail or Slack to receive alerts. See the setup below for how to use it or
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join the [Alertbot room on matrix](https://matrix.to/#/#alertbot:hyteck.de)
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# Getting Started
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**Prerequisites:**
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* A maubot instance: Please [refer to the docs](https://docs.mau.fi/maubot/usage/setup/index.html) for setting up one
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* An instance of alertmanager or grafana or a similar alerting program that is able to send webhooks
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**Getting the code**
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Clone this repository to your local computer and install maubot to have access to the maubot CLI
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```shell
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git clone https://github.com/moan0s/alertbot
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cd alertbot
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pip install maubot
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```
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**Login to your maubot instance**
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```shell
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mbc login
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```
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**Build&Upload the plugin**
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```shell
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mbc build -u
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```
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You now have the plugin installed. Now you have to set up an instance of the bot in the maubot manager and invite it to
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the room where the alerts should be sent. Also find out the room id by asking the bot for it with `!roomid`.
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# Setup Alertmanager
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This configuration will send all your alerts to the room `!zOcbWjsWzdREnihgeC:example.com` (if the bot has access to it).
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Put in your own room-id (`!roomid`) behind the webhook base url (`!url`):
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```yaml
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receivers:
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- name: alertbot
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webhook_configs:
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- url: https://synapse.hyteck.de/_matrix/maubot/plugin/alertbot/webhook/!zOcbWjsWzdREnihgeC:example.com
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route:
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group_by:
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- alertname
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- cluster
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- service
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group_interval: 5m
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group_wait: 30s
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receiver: alertbot
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repeat_interval: 3h
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```
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# Setup Grafana
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The grafana setup is fairly simple and can be used to forward grafana alerts to matrix.
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![Screenshot of the Grafana Setup](assets/grafana.png)
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# Test your setup
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It can be a bit annoying to trigger an alert (e.g. by shutting down a server) to test if your configuration is right and if the bot works as intended.
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Therefore, you find a few example alerts in `alert_examples/` which allow you to test the bot.
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Use them with the following command (but adjust the webhook URL):
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```bash
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curl --header "Content-Type: application/json" \
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--request POST \
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--data "@alert_examples/data.json" \
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https://webhook.example.com/_matrix/maubot/plugin/maubot/webhook/!zOcbWjsWzdREnihreC:example.com
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```
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# Local testing Setup
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Also you might want to test the bot on your local machine but send webhooks to a public server. To do that use a domain
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e.g. webbhook.example.com and configure nginx as reverse proxy for port 4242 for this domain.
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## Connect
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Run the local server and connect via (29316 is the local maubot port)
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`ssh -N -R 4242:localhost:29316 webhook.example.com`
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## Send some data with
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Use an example from the `alert_examples/` to test your setup
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```shell
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curl --header "Content-Type: application/json" \
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--request POST \
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--data "@alert_examples/prometheus.json" \
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https://webhook.example.com/_matrix/maubot/plugin/maubot/webhook/!zOcbWjsWzdREnihreC:example.com
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```
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