Colourful Slack Notification In Bash

alert.sh

#!/bin/bash

## Slack Alert Helper
function send_slack_message() {
    action="$1"
    status=$2    
    message="$3"

    case "$status" in 
        success ) color="#44d058";;
        warning ) color="#D09E44";;
        error ) color="#d84b4b";;
        info ) color="#7099e6";;
        primary ) color="#4360df";;
        secondary ) color="#838c93";;
        * ) color="#838c93";;
    esac
    
    curl -X POST --silent --output /dev/null \
        -H 'Content-type: application/json' \
        -H "Accept: application/json" \
        --data @<(cat <<EOF
        {
            "attachments": [
                {
                    "title": "$action",
                    "color": "$color",
                    "text": "$message"
                }
            ],
            "channel": "dedicated-server-backups"
        }
EOF
) https://hooks.slack.com/services/XXXX/XXXX/XXXXXXXXXXXXXX & disown > /dev/null 2>&1
}


send_slack_message "Example Action" "primary" "Some details about this action"