Smart Gamma Telegram bot bundle for Symfony errors project's chat notifications

The Telegram bot allow to send notifications about Symfony critical errors to the configured project chat

1. Install

composer require smart-gamma/symfony-errors-telegram-bot

2. Configuration

2.1. Activate the bundle

Symfony version < 4.0

Add to AppKernel.php

 new Gamma\ErrorsBundle\GammaErrorsBundle(),

Symfony with dotenv

add to app/config/service.yaml

parameters:
   gamma.base_host: '%env(BASE_URI)%'

Define "BASE_URI" at .env or replace it with your env variable that defines base uri of your project.

Symfony without dotenv

add to parameter.yml

    gamma.base_host: 'put your base uri here'

2.2. Add configuration

Put the file gamma_errors_bot.yaml to vendor/packages folder at app/config

gamma_errors:
    enabled: true
    telegram_channel:
        auth_key: '%env(GAMMA_ERRORS_TELEGRAM_AUTH_KEY)%'
        chat_id: '%env(GAMMA_ERRORS_TELEGRAM_CHAT_ID)%'

3. Creating a bot

Start a conversation with @BotFather.

You: /newbot
>>>>>>>>>>
@BotFather: Alright, a new bot. How are we going to call it? Please choose a name for your bot.
<<<<<<<<<<
You: Sample Error Bot
>>>>>>>>>>
@BotFather: Good. Now let's choose a username for your bot. It must end in `bot`. Like this, for example: 
TetrisBot or tetris_bot.
<<<<<<<<<<
Me: test_error_bot
>>>>>>>>>>
@BotFather: Done! Congratulations on your new bot. You will find it at telegram.me/cronus_bot. You can now add a 
description, about section and profile picture for your bot, see /help for a list of commands. By the way, when 
you've finished creating your cool bot, ping our Bot Support if you want a better username for it. Just make sure 
the bot is fully operational before you do this.

Use this token to access the HTTP API:
111111:xxxx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

For a description of the Bot API, see this page: https://core.telegram.org/bots/api

4. Get chat identifier

After the created bot was added to your project's group you should retrieve its chat_id

Make POST request to URL: https://api.telegram.org/bot_token_/getUpdates

Example:

Request

curl -X POST https://api.telegram.org/bot111111:xxxx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxx/getUpdates

Response

{
"ok": true,
"result": [
  {
    "update_id": 222222,
    "message": {
      "message_id": 3333,
      "from": {
        "id": 444444,
        "first_name": "Test",
        "last_name": "Test",
        "username": "test"
      },
      "chat": {
        "id": -111111
        "first_name": "Test",
        "last_name": "Test",
        "username": "test",
        "type": "private"
      },
      "date": 1480701504,
      "text": "test"
    }
  }
]
}

chat_id is the number "-111111".

5. Slack support

In order to have additional channel of notification you can enable Slack with webhook integration

• add "Incoming WebHooks" app to your Slack and copy webhook url from the settings

• configure

gamma_errors:
    enabled: true
    telegram_channel:
    ....  
    slack_channel:
        webhook:  '%env(GAMMA_ERRORS_SLACK_WEBHOOK)%' 
        channel:  '%env(GAMMA_ERRORS_SLACK_CHANNEL)%'