auto backup dump_all postgres db and upload to s3, digital ocean space

backup_postgresql_and_upload_to_s3

#!/bin/bash
DATETIME=`date +%y%m%d-%H_%M_%S`
SRC=$1
DST=$2
GIVENNAME=$3
showhelp(){
        echo "\n\n############################################"
        echo "# bkupscript.sh                            #"
        echo "############################################"
        echo "\nThis script will backup files/folders into a single compressed file and will store it in the current folder."
        echo "In order to work, this script needs the following three parameters in the listed order: "
        echo "\t- The full path for the folder or file you want to backup."
        echo "\t- The name of the Space where you want to store the backup at (not the url, just the name)."
        echo "\t- The name for the backup file (timestamp will be added to the beginning of the filename)\n"
        echo "Example: sh bkupscript.sh ./testdir testSpace backupdata\n"
}
tarandzip(){
    echo "\n#### backup database\n"
    if su - postgres -c "pg_dumpall > $SRC/$DATETIME.dump_all"; then
        echo "\n##### Done pg_dumpall #####\n"
        if tar -czvf $SRC/$GIVENNAME-$DATETIME.tar.gz $SRC/$DATETIME.dump_all; then
            rm -f $SRC/$DATETIME.dump_all
            echo "\n##### Done gathering files #####\n"
            return 0
        fi
    fi
    echo "\n##### Gathering files or pgdump_all Failed #####\n"
    return 1
}
movetoSpace(){
    echo "\n##### MOVING TO SPACE #####\n"
    if /usr/bin/s3cmd put $SRC/$GIVENNAME-$DATETIME.tar.gz s3://$DST; then
        echo "\n##### Done moving files to s3://"$DST" #####\n"
        return 0
    else
        echo "\n##### Failed to move files to the Space #####\n"
        return 1
    fi
}
if [ ! -z "$GIVENNAME" ]; then
    if tarandzip; then
        movetoSpace
    else
        showhelp
    fi
else
    showhelp
fi