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Glark

Glark is an alertManager for Grafana with Lark, written in Go

Installation

go get github.com/nehsus/glark

Working Steps

• Setup AWS Lambda, configured with Go

• Setup a custom notification channel in Grafana with a webhook to Lambda

• Create a new Lark Bot and obtain credentials:

  • AppID
  • AppSecret

• Obtain the API access token from Lark

• Obtain a new bearertoken from Lark with the application credentials
  Request method: POST
  Request address: https://open.larksuite.com/open-apis/auth/v3/app_access_token/internal
  Request header:
  key value
  Content-Type application/json
  Request example:

{ 
    "app_id": "supersecretid", 
    "app_secret": "supersecretsecret" 
}

• Obtain All Groups to which a user belongs and note down the chat_id

• Configure Lambda with environment variables:

  • app_id
  • app_secret
  • chat_id

• Invoke the message sending API:
  Request method: POST
  Request address: https://open.larksuite.com/open-apis/message/v4/send/
  Request header:
  key value
  Authorization Bearer tenant_access_token
  Content-Type application/json
  Request example:

{
   "chat_id":"oc_xxx", 
   "email":"test@gmail.com", 
    "msg_type":"text",
    "content":{
        "text":"test notification"
    }
}

Pending Features

This project is currently under construction. Issues presently being worked on:
~~You will need to obtain the chat_id of the group by this method~~

• [ ] Multiple chat bots and groups to be implemented
• [x] Get chat_id of the group by chat-name specified in lambda env.

Contributing

This package was developed in my free time. Contributions from everone are welcome to make this a more wholesome and streamlined experience. If you find any bugs or think there should be a particular feature included, feel free to open up a new issue or pull request.