Slack integration

Create Slack application and obtain auth token

Go to https://api.slack.com/apps and login.
Press "Create New App" button, choose "From an app manifest".
Choose workspace, press "Next".
Choose "YAML" tab. Copy-paste settings below. Press "Next".

display_information:
  name: snowflake-monitor
  description: Monitoring of running, queued and blocked queries in Snowflake
  background_color: "#00a5e0"
features:
  bot_user:
    display_name: Snowflake Monitor
    always_online: true
oauth_config:
  scopes:
    bot:
      - chat:write
      - chat:write.public
settings:
  org_deploy_enabled: false
  socket_mode_enabled: false
  token_rotation_enabled: false

Press "Create".
Press "Install to Workspace" button, press "Allow".
Go to "Settings -> Install App" and copy the contents of Bot User OAuth Token field. You will need it to send notifications from Python script.

Here is a video-tutorial which might help you if you're new to Slack Apps: https://www.youtube.com/watch?v=q3SBz_eqOq0

Optionally, you may go to "Settings -> Basic Information", scroll down to "Display Information" section and upload this App Icon: