====== Repositories management ======
  * synchronization
<code>
#!/bin/bash

BW_LIMIT=4000
MIRRORS_PATH="/var/mirrors"
RSYNC="rsync -avHz --delete --stats --bwlimit=$BW_LIMIT"

MENU_ITEM=(
centos6
centos7
ubuntu14
exit
)

intro() {
    echo "This script have been designed to create local repository of centOS 6,7 and ubuntu 14.04 LTS"
    read -n 1 -p "Press any key to continue"
    clear
}

main() {
    echo "#############"
    echo "# Main menu #"
    echo "#############"
    echo ""
    echo "Choose your distribution"
    select CHOICE in ${MENU_ITEM[@]};
    do
        case $CHOICE in
            "centos6")
                create_centos_repo 6
                ;;
            "centos7")
                create_centos_repo 7
                ;;
            "ubuntu14")
                create_ubuntu_repo
                ;;
            "exit")
                echo "You choose to exit"
                exit 0
                ;;
            *)
                echo "Not available distribution"
                exit -1
                ;;
        esac
    done
}

create_centos_repo() {
    RELEASE="$1"
    ARCHS="i386 x86_64"
    CENTOS_MIRROR="rsync://centos.mirrors.ovh.net/ftp.centos.org/"
    BASE_LIST=" os updates centosplus extras"

    for ARCH in $ARCHS
    do
        for BASE in $BASE_LIST
        do
            REMOTE=$CENTOS_MIRROR/$RELEASE/$BASE/$ARCH/
            if [ ! -e $MIRRORS_PATH/$RELEASE/$BASE/$ARCH ]
            then
                mkdir -p "$MIRRORS_PATH/$RELEASE/$BASE/$ARCH"
            fi
            $RSYNC $REMOTE $MIRRORS_PATH/$RELEASE/$BASE/$ARCH/
        done
    done
    echo "`date +%x-%R` - Finished CentOS $RELEASE Mirror Sync"
}

create_ubuntu_repo() {
    UBUNTU_MIRROR="rsync://archive.ubuntu.com/ubuntu"

    mkdir -p $MIRRORS_PATH/ubuntu
    $RSYNC $EXCLUDE $UBUNTU_MIRROR $MIRRORS_PATH/ubuntu
    echo "`date +%x-%R` - Finished Ubuntu Mirror Sync"
}

intro
main
</code>