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91 lines
3.2 KiB
Markdown
91 lines
3.2 KiB
Markdown
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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.
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You can either [invite](#invite-the-official-instance) an official instance of the bot, or [self-host](#self-host-an-instance) it on your own matrix server.
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## Invite the Official Instance
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* Create a Matrix room and invite @alertbot:hyteck.de
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* Send `!url` to the room. The bot will answer with the webhook URL
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* Put the Webhook URL into your monitoring solution (see below)
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## Self-host an Instance
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**Prerequisites:**
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* A Matrix server where you have access to a maubot instance
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* Refer to the [docs](https://docs.mau.fi/maubot/usage/setup/index.html) for setting up one
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* or use [spantaleev/matrix-docker-ansible-deploy](https://github.com/spantaleev/matrix-docker-ansible-deploy/blob/master/docs/configuring-playbook-bot-matrix-registration-bot.md) which has built-in maubot support
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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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**Build the Bot**
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Clone this repository and build it into a maubot plugin file (.mbp). Navigate to the Maubot Administration Interface and upload the .mpb file.
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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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mbc build
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```
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**Configure the Bot**
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Next, once the plugin is installed, set up a [client](https://docs.mau.fi/maubot/usage/basic.html#creating-clients) and then create an [instance](https://docs.mau.fi/maubot/usage/basic.html#creating-instances) which connects the client and plugin.
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Finally, invite the bot to an encrypted room where alerts should be sent and query the bot for the room id with the command `!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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## Run Locally
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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 Test Alerts
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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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## Matrix Room
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This project has a dedicated [chat room](https://matrix.to/#/#alertbot:hyteck.de)
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