main.sh

#!/bin/bash

if [ -z "$UPLOADER_MAC" ]
then
    echo '[+] Missing variable UPLOADER_MAC, please inform an valid mac address, with uppercase letters'
    exit -1
fi

if [ -z "$AUTH_TOKEN" ]
then
    echo '[+] Missing AUTH_TOKEN variable, creating credentials to Google Music'
else
    echo $AUTH_TOKEN | base64 -d > /auth.cred
fi

echo '[+] Starting music upload job'

while true
do
    count=$(find /data -name '*.mp3' | wc -l)
    if [ $count -eq 0 ]
    then
        echo '[+] No new musics do upload at ('$(date)'), waiting'
        sleep 120
    else
        echo '[+] Found '$count' musics to upload'
        /upload.py --cred /auth --delete-on-success --match --uploader-id $UPLOADER_MAC
        if [ -z "$AUTH_TOKEN" ]
        then
            AUTH_TOKEN=$(cat /auth.cred | base64 -w 0)
            echo '[+] Generated AUTH_TOKEN, please save it for further use'
            echo $AUTH_TOKEN
        fi
    fi
done