Software Público Brasileiro

#!/bin/bash

# > -----------------------------------------
# Run that script with bash even if the user use sh/dash or any sh like 
# interpreter. This way it correctly works with either: 
# "sh ./my_script.bash" or "bash ./my_script.bash" or "./my_script.bash"

if [ -z "$BASH_VERSION" ]
then
    exec bash "$0" "$@"
fi

# < -----------------------------------------

# NOTE: Evita problemas com caminhos relativos! By Questor
SCRIPTDIR_V="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. $SCRIPTDIR_V/ez_i.bash

# > --------------------------------------------------------------------------
# INÍCIO!
# --------------------------------------

read -d '' TITLE_F <<"EOF"
LBI - LBIndex Installer
EOF

# NOTE: Para versionamento usar "MAJOR.MINOR.REVISION.BUILDNUMBER"! 
# Usar a mesma versão contida no setup.py! By Questor
# http://programmers.stackexchange.com/questions/24987/what-exactly-is-the-build-number-in-major-minor-buildnumber-revision

read -d '' VERSION_F <<"EOF"
0.1.2.0
EOF

read -d '' ABOUT_F <<"EOF"
This script will install LBI - LBIndex the LightBase indexing component!
EOF

read -d '' WARNINGS_F <<"EOF"
- This installer is compatible with RHEL, SUSE, Debian or distributions 
based on these.

- We RECOMMEND you...
    Install all the components (answer yes to everything) and use the default 
        values. Except contrary guidance!
    Check for previous installations! If there is previous 
        installations consider this variant in the process!
    Although this is not mandatory, do the installation process in an 
        exclusive machine for this.

- We NOTICE you...
    This installer assumes that the target distribution has a "standard 
    setup". This may include components such as firewall, SELinux 
    and others.

- We WARNING you...
    THIS INSTALLER AND RESULTING PRODUCTS COMES WITH ABSOLUTELY NO WARRANTY! 
    USE AT YOUR OWN RISK! WE ARE NOT RESPONSIBLE FOR ANY DAMAGE TO YOURSELF, 
    HARDWARE, OR CO-WORKERS. EXCEPT IN CASES WHERE THERE ARE SIGNED CONTRACT 
    THAT REGULATES THIS!
EOF

read -d '' COMPANY_F <<"EOF"
BR Light LTDA - LightBase Consulting in Public Software/LightBase Consultoria em Software Público
+55-61-3347-1949/+55-61-3340-6966 - http://brlight.org/ - Brasil-DF
Free software! Embrace that idea!/Software livre! Abrace essa idéia!
EOF

TUX=$(cat $SCRIPTDIR_V/tux.txt)
f_begin "$TITLE_F" "$VERSION_F" "$ABOUT_F$TUX" "$WARNINGS_F" "$COMPANY_F"
ABOUT_F=""
WARNINGS_F=""

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# TERMOS E LICENÇA!
# --------------------------------------

read -d '' TERMS_LICEN_F <<"EOF"
BY USING THIS INSTALLER YOU ARE AGREEING TO THE TERMS OF USE OF ALL 
INVOLVED SOFTWARE!
EOF

f_terms_licen "$TERMS_LICEN_F"
TERMS_LICEN_F=""

# < --------------------------------------------------------------------------

# > -----------------------------------------
# Checar se o usuário é root!

f_is_root

# < -----------------------------------------

# > --------------------------------------------------------------------------
# INTRUÇÕES!
# --------------------------------------

read -d '' INSTRUCT_F <<"EOF"
- TO CANCEL installation at any time use Ctrl+c!
EOF

f_instruct "$INSTRUCT_F"
INSTRUCT_F=""

# < --------------------------------------------------------------------------

# NOTE: A razão para a existência dessas variáveis é "abistrair" o
# funcionamento de "f_about_distro" que obtêm informações a partir de
# dados da própria distro e portanto sujeito a variações! By Questor
DISTRO_TYPE=""
DISTRO_NAME=""

# > -----------------------------------------
# Checar se a distro é compatível!

f_open_section
f_about_distro
f_div_section
echo "DISTRO INFORMATION:"
f_div_section
echo "NAME: .... ${F_ABOUT_DISTRO_R[0]}"
echo "VERSION: . ${F_ABOUT_DISTRO_R[1]}"
echo "BASED: ... ${F_ABOUT_DISTRO_R[2]}"
echo "ARCH: .... ${F_ABOUT_DISTRO_R[3]}"
f_div_section

if [[ "${F_ABOUT_DISTRO_R[2]}" == "Debian" ]] || [[ "${F_ABOUT_DISTRO_R[2]}" == "RedHat" ]] || 
    [[ "${F_ABOUT_DISTRO_R[2]}" == "Suse" ]] ; then
    if [[ "${F_ABOUT_DISTRO_R[2]}" == "Debian" ]] ; then
        DISTRO_TYPE="DEB"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "Ubuntu" ]] ; then
            DISTRO_NAME="Ubuntu"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "14.04" ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 14.04/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "Debian GNU/Linux" ]] ; then
            DISTRO_NAME="Debian"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "8" ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 8/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: Ubuntu or Debian/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    elif [[ "${F_ABOUT_DISTRO_R[2]}" == "RedHat" ]] ; then
        DISTRO_TYPE="RH"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "Red Hat Enterprise Linux Server" ]] ; then
            DISTRO_NAME="RedHat"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "7"* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 7.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "CentOS Linux" ]] ; then
            DISTRO_NAME="CentOS"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "7"* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 7.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: CentOS or Red Hat Enterprise Linux Server/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    elif [[ "${F_ABOUT_DISTRO_R[2]}" == "Suse" ]] ; then
        DISTRO_TYPE="SUSE"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "openSUSE" ]] ; then
            DISTRO_NAME="openSUSE"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "13."* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 13.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "SLES" ]] ; then
            DISTRO_NAME="SLES"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "12."* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 12.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: openSUSE or SUSE Linux Enterprise Server/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    fi

    if [[ "${F_ABOUT_DISTRO_R[3]}" != "x86_64" ]] ; then
        f_enter_to_cont "Linux architecture completely incompatible with this installer (expected: x86_64/obtained: ${F_ABOUT_DISTRO_R[3]})!"
        exit 0
    fi
else
    f_enter_to_cont "Linux distro completely incompatible with this installer (expected: Debian (or based) or RedHat (or based) or SUSE (or based)/obtained: ${F_ABOUT_DISTRO_R[2]})!"
    exit 0
fi
f_close_section

# < -----------------------------------------

# > -----------------------------------------
# Dá ao usuário a possibilidade de usar o instalador no modo rápido. Bom para 
# conhecer/testar o sistema de forma simples sem preucupar-se com configurações!

# NOTE: É possível forçar o processo de instalação no modo rápido setando 
# "FAST_INST" com 1! By Questor
FAST_INST=0
if [ ${FAST_INST} -eq 0 ] ; then
    f_open_section
    f_div_section
    f_yes_no "Use fast install (use default values for most of the options)? 

NOTE: RECOMMENDED FOR THOSE who want to KNOW and TEST the LB system components 
quickly and easily. DO NOT USE FOR PRODUCTION ENVIRONMENT! If YES the 
installation of all LB system components MUST AND WILL BE LOCAL!

Use it?"
    if [ ${YES_NO_R} -eq 1 ] ; then

        # NOTE: Essa variável serve apenas para "preservar" o valor 
        # setado pelo usuário sendo somente "leitura". A variável a 
        # ser usada nas regras deve ser "EZ_I_SKIP_ON_V" (ez_i.bash)! Essa 
        # estratégia serve para mudarmos o comportamento do "ez_i.bash" 
        # de acordo com as circunstâncias! By Questor
        FAST_INST=1

        # NOTE: Essa variável é para consumo do "ez_i.bash", para que ele 
        # não execute algumas funções e torne o processo de 
        # instalação mais simples! By Questor
        EZ_I_SKIP_ON_V=1
    fi
    f_close_section
    sleep 1
fi

# < -----------------------------------------

# > -----------------------------------------
# Desabilita o SElinux!

if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    EZ_I_SKIP_ON_V=0
    f_open_section
    f_div_section
    f_yes_no "Disable SElinux (use \"y\" if you never did it)?"
    if [ ${YES_NO_R} -eq 1 ] ; then
        setenforce 0

        # NOTE: As condições abaixo visam evitar que o arquivo seja
        # desnecessariamente e erroneamente modificado! By Questor
        EZ_I_SKIP_ON_V=$FAST_INST
        f_fl_cont_str "# SELINUX=enforcing" "/etc/sysconfig/selinux" "The file \"/etc/sysconfig/selinux\" probably has already been changed! Check it!"
        EZ_I_SKIP_ON_V=0
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_fl_cont_str "SELINUX=disabled" "/etc/sysconfig/selinux"
            if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                f_ez_sed "SELINUX=enforcing" "# SELINUX=enforcing\nSELINUX=disabled" "/etc/sysconfig/selinux"
            fi
        fi
    fi
    f_close_section
fi

# < -----------------------------------------

# > -----------------------------------------
# Atualizar a distro (repositório)!

EZ_I_SKIP_ON_V=$FAST_INST
f_open_section
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    if [[ "$DISTRO_NAME" == "RedHat" ]] ; then
        RESOURCES_ARR_P=("Red Hat Enterprise Linux Server")
        f_chk_distro_status "$DISTRO_NAME" RESOURCES_ARR_P[@]
    fi
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        yum -y update
    fi
    f_pack_is_inst "git" "yum" "\"git\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y install git
    fi
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        apt-get -y update
    fi
    f_pack_is_inst "git" "apt-get" "\"git\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        apt-get -y install git
    fi
elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    if [[ "$DISTRO_NAME" == "SLES" ]] ; then
        RESOURCES_ARR_P=("SUSE_Linux_Enterprise_Server_12_SP1_x86_64"
"SUSE_Linux_Enterprise_Software_Development_Kit_12_SP1_x86_64"
"Web_and_Scripting_Module_12_x86_64")
        f_chk_distro_status "SLES" RESOURCES_ARR_P[@]
    fi
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        zypper --non-interactive update
    fi
    f_pack_is_inst "git-core" "zypper" "\"git-core\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        zypper --non-interactive install git-core
    fi
fi
f_close_section

# < -----------------------------------------

# > -----------------------------------------
# Instalar pacotes que são comuns a determinados componentes!

F_COM_PKS_INSTALLED=0
f_common_packs() {
    : 'Instalar pacotes que são comuns a determinados componentes.'

    if [ ${F_COM_PKS_INSTALLED} -eq 0 ] ; then
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "gcc-c++" "yum" "\"gcc-c++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install gcc-c++
            fi
            f_pack_is_inst "autoconf" "yum" "\"autoconf\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install autoconf
            fi
            f_pack_is_inst "automake" "yum" "\"automake\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install automake
            fi
            f_pack_is_inst "libtool" "yum" "\"libtool\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install libtool
            fi
            f_pack_is_inst "zlib-devel" "yum" "\"zlib-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install zlib-devel
            fi
            f_pack_is_inst "postgresql-devel" "yum" "\"postgresql-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install postgresql-devel
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "g++" "apt-get" "\"g++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install g++
            fi
            f_pack_is_inst "autoconf" "apt-get" "\"autoconf\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install autoconf
            fi
            f_pack_is_inst "make" "apt-get" "\"make\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install make
            fi
            f_pack_is_inst "libtool" "apt-get" "\"libtool\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libtool
            fi
            f_pack_is_inst "zlib1g-dev" "apt-get" "\"zlib1g-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install zlib1g-dev
            fi
            f_pack_is_inst "libpq-dev" "apt-get" "\"libpq-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libpq-dev
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "gcc-c++" "zypper" "\"gcc-c++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install gcc-c++
            fi
            if [[ "$DISTRO_NAME" != "SLES" ]] ; then
                f_pack_is_inst "autoconf" "zypper" "\"autoconf\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install autoconf
                fi
                f_pack_is_inst "automake" "zypper" "\"automake\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install automake
                fi
                f_pack_is_inst "make" "zypper" "\"make\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install make
                fi
                f_pack_is_inst "libtool" "zypper" "\"libtool\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install libtool
                fi
            fi
            f_pack_is_inst "zlib-devel" "zypper" "\"zlib-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install zlib-devel
            fi
            f_pack_is_inst "postgresql-devel" "zypper" "\"postgresql-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install postgresql-devel
            fi
        fi
        F_COM_PKS_INSTALLED=1
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Passa comando para serviços conforme a distro em execução!

f_svc_helper() {
    : 'Passa comando para serviços conforme a distro em execução.

    Args:
        SVC_HLP_NM_P (str): Nome do serviço.
        SVC_HLP_CMD_P (str): Comando para o serviço executar.
        SVC_HLP_IN_SILENCE (Optional[int]): 1 - Sem saída para o terminal; 
            0 - Com saída para o terminal. Padrão 0.
    '
    SVC_HLP_NM_P=$1
    SVC_HLP_CMD_P=$2
    SVC_HLP_IN_SILENCE=$3
    if [ -z "$SVC_HLP_IN_SILENCE" ] ; then
        SVC_HLP_IN_SILENCE=0
    fi
    SVC_HLP_SILENCE_CMD=""
    if [ ${SVC_HLP_IN_SILENCE} -eq 1 ] ; then
        SVC_HLP_SILENCE_CMD=" &>/dev/null"
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        eval "systemctl $SVC_HLP_CMD_P $SVC_HLP_NM_P.service$SVC_HLP_SILENCE_CMD"
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        eval "service $SVC_HLP_NM_P $SVC_HLP_CMD_P$SVC_HLP_SILENCE_CMD"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        eval "service $SVC_HLP_NM_P $SVC_HLP_CMD_P$SVC_HLP_SILENCE_CMD"
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Abrir o firewall para uma porta definida para um dado serviço

f_fire_hlp() {
    : 'Abrir o firewall para uma porta definida para um dado serviço.

    Args:
        FIRE_SVC_NM_P (str): Nome do serviço.
        FIRE_PORT_P (int): Porta a ser aberta.
    '

    FIRE_SVC_NM_P=$1
    FIRE_PORT_P=$2
    if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_div_section
            f_yes_no "Open firewall for $FIRE_SVC_NM_P (TCP $FIRE_PORT_P)?"
            if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
                f_chk_iptables $FIRE_PORT_P "Port $FIRE_PORT_P is already open!" 0 "ACCEPT" "tcp" "NEW"
                if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
                    firewall-cmd --zone=public --add-port=$FIRE_PORT_P/tcp --permanent
                    firewall-cmd --reload
                fi
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_div_section
            f_yes_no "Open firewall for $FIRE_SVC_NM_P (TCP $FIRE_PORT_P)?"
            if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
                f_chk_iptables $FIRE_PORT_P "Port $FIRE_PORT_P is already open!" 0 "ACCEPT" "tcp"
                if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
                    SuSEfirewall2 open EXT TCP $FIRE_PORT_P
                    SuSEfirewall2 stop
                    SuSEfirewall2 start
                fi
            fi
        fi
    fi
}

# < -----------------------------------------

# > --------------------------------------------------------------------------
# INSTALAÇÃO DO LBI - LBIndex!
# --------------------------------------

BASE_INST_DIR_V="/usr/local/lb"
# > -----------------------------------------
# Criar o diretório base da instalação!

f_create_base_dir() {
    f_chk_by_path_hlp "$BASE_INST_DIR_V" "d"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        mkdir -p "$BASE_INST_DIR_V"
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o virtualenv-1.11.6 no python2.X!

PYTHON_2_X=""
VE_2_X=""
f_inst_ve_py2X() {
    : 'Instala a virtualenv no Python2.X!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        PYTHON_2_X="2.7"
        VE_2_X="lbi_ve27"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        PYTHON_2_X="2.7"
        VE_2_X="lbi_ve27"
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install virtualenv-1.11.6 on python$PYTHON_2_X?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_chk_by_path_hlp "/usr/bin/virtualenv-$PYTHON_2_X" "f" "virtualenv-1.11.6 already installed!"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_chk_by_path_hlp "/usr/local/bin/virtualenv-$PYTHON_2_X" "f" "virtualenv-1.11.6 already installed!"
        fi
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
            if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                f_pack_is_inst "python-setuptools" "yum" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    yum -y install python-setuptools
                fi
            elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                f_pack_is_inst "python-setuptools" "apt-get" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    apt-get -y install python-setuptools
                fi
            elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
                # >>>>>>>>>>>>> * Para "zypper --non-interactive install python-setuptools", se o problema abaixo aparecer...

                # Problem: python-setuptools-5.4.1-2.1.4.noarch requires python, but this requirement cannot be provided
                #   uninstallable providers: python-2.7.8-1.1.x86_64[openSUSE-13.2-0]
                #                    python3-3.4.1-4.2.1.x86_64[openSUSE-13.2-0]
                #                    python-2.7.8-1.1.i586[repo-oss]
                #                    python3-3.4.1-4.2.1.i586[repo-oss]
                #                    python-2.7.8-1.1.x86_64[repo-oss]
                #                    python3-3.4.1-4.2.1.x86_64[repo-oss]
                #  Solution 1: deinstallation of patterns-openSUSE-minimal_base-conflicts-20141007-2.1.x86_64
                #  Solution 2: do not install python-setuptools-5.4.1-2.1.4.noarch
                #  Solution 3: do not install python-setuptools-5.4.1-2.1.4.noarch
                #  Solution 4: break python-setuptools-5.4.1-2.1.4.noarch by ignoring some of its dependencies

                # Choose from above solutions by number or cancel [1/2/3/4/c] (c): 

                # <<<<<<<<<<<<<

                # >>>>>>>>>>>>> * Usar 1 e y...

                # Choose from above solutions by number or cancel [1/2/3/4/c] (c): 1
                # Resolving dependencies...
                # Resolving package dependencies...

                # The following 4 NEW packages are going to be installed:
                #   libsqlite3-0 python python-setuptools python-xml 

                # The following package is going to be REMOVED:
                #   patterns-openSUSE-minimal_base-conflicts 

                # The following pattern is going to be REMOVED:
                #   minimal_base-conflicts 

                # 4 new packages to install, 1 to remove.
                # Overall download size: 1.1 MiB. Already cached: 0 B  After the operation, additional 4.2 MiB will be used.
                # Continue? [y/n/? shows all options] (y): 

                # <<<<<<<<<<<<<

                # f_pack_is_inst "python-setuptools" "zypper" "\"python-setuptools\" already installed!"
                # if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                #     zypper --non-interactive install python-setuptools
                #     zypper --non-interactive install python-devel
                # fi
                f_pack_is_inst "python-setuptools" "zypper" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    f_get_stderr_stdout "zypper --non-interactive install python-setuptools"
                    if [[ $F_GET_STDERR_R$F_GET_STDOUT_R == *"Problem: python-setuptools-"* ]] && 
                        [[ $F_GET_STDERR_R$F_GET_STDOUT_R == *".noarch requires python, but this requirement cannot be provided"* ]] ; then
                        EZ_I_SKIP_ON_V=0
                        f_enter_to_cont "The package management \"zypper\" WILL ASK YOU FOR ADDITIONAL OPTIONS! 
We highly recommended you answer \"1\" and \"y\", respectively!"
                        EZ_I_SKIP_ON_V=$FAST_INST
                        zypper install python-setuptools
                        zypper --non-interactive install python-devel
                    else
                        echo "$F_GET_STDERR_R$F_GET_STDOUT_R"
                    fi
                fi
            fi
            f_common_packs
            cd "$SCRIPTDIR_V"
            cd ./other-srcs-n-apps
            tar -zxvf virtualenv-1.11.6.tar.gz
            cd virtualenv-1.11.6
            python$PYTHON_2_X setup.py install
            cd ..
            rm -rf virtualenv-1.11.6
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Criar o ambiente virtual (python2.X)!

f_create_ve2X() {
    : 'Cria o ambiente virtual (python2.X)!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    criar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    f_enter_to_cont "Create the virtual environment (python$PYTHON_2_X)!"
    EZ_I_SKIP_ON_V=$FAST_INST
    f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_2_X" "d" "Virtual environment (python$PYTHON_2_X) already created in \"$BASE_INST_DIR_V/$VE_2_X\"!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        f_common_packs
        cd "$BASE_INST_DIR_V"
        virtualenv-$PYTHON_2_X $VE_2_X
        mkdir "$BASE_INST_DIR_V/$VE_2_X/src"
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python da LIB - liblightbase!

f_inst_lib_py_packs() {
    : 'Instala a liblightbase!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-liblightbase.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V" "$PYTHON_2_X" "$VE_2_X"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------


# > -----------------------------------------
# Instalar a LIB - liblightbase!

f_inst_lib() {
    : 'Instala a liblightbase!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install the LIB - liblightbase?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_2_X/src/liblightbase" "d" "\"liblightbase\" already installed in \"$BASE_INST_DIR_V/$VE_2_X/src\"!"
        F_BAK_MD_R=1
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            f_ez_mv_bak "$BASE_INST_DIR_V/$VE_2_X/src/liblightbase" "Backup old version and update? (\"y\" recommended)"
        fi
        if [ ${F_BAK_MD_R} -eq 1 ] ; then
            f_inst_lib_py_packs 1
            cd "$SCRIPTDIR_V"
            tar -zxvf liblightbase.tar.gz
            mv "$SCRIPTDIR_V/liblightbase" "$BASE_INST_DIR_V/$VE_2_X/src/"
            cd "$BASE_INST_DIR_V/$VE_2_X/src/liblightbase"
            eval "$BASE_INST_DIR_V/$VE_2_X/bin/python$PYTHON_2_X setup.py install"
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python2.X do LBI - LBIndex!

f_inst_lbi_py_packs() {
    : 'Instala as dependências do LBI - LBIndex!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-LBIndex.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V" "$PYTHON_2_X" "$VE_2_X"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

HTTP_PORT_F=6543
# > -----------------------------------------
# Instalar e configurar o LBI - LBIndex!

EZ_I_SKIP_ON_V=$FAST_INST
f_open_main_section
f_div_section
f_yes_no "Install the LBI - LBIndex?"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then

    # NOTE: As funções abaixo provêm recursos necessários ao 
    # LBI - LBIndex! By Questor
    f_create_base_dir
    f_inst_ve_py2X 1
    f_create_ve2X 1
    f_inst_lib 1
    f_inst_lbi_py_packs 1

    f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex" "d" "\"LBIndex\" already installed in \"$BASE_INST_DIR_V/$VE_2_X/src\"!"
    F_BAK_MD_R=1
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        f_ez_mv_bak "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex" "Backup old version and update? (\"y\" recommended)"
    fi
    if [ ${F_BAK_MD_R} -eq 1 ] ; then
        cd "$SCRIPTDIR_V"
        tar -zxvf LBIndex.tar.gz
        mv "$SCRIPTDIR_V/LBIndex" "$BASE_INST_DIR_V/$VE_2_X/src/"
        cd "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex"
        eval "$BASE_INST_DIR_V/$VE_2_X/bin/python$PYTHON_2_X setup.py install"

        \cp "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-dist" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-prov"

        if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_ez_sed "<LBI_SCRIPT_HEAD>" "# chkconfig: 2345 99 01\n# description: Esquema de inicialização do LBIndex\n# processname: lbindex" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-prov"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_ez_sed "<LBI_SCRIPT_HEAD>" "### BEGIN INIT INFO\n# Provides:          lbindex\n# Required-Start:    \$remote_fs \$syslog\n# Required-Stop:     \$remote_fs \$syslog\n# Default-Start:     2 3 4 5\n# Default-Stop:      0 1 6\n# Short-Description: Start daemon at boot time\n# Description:       Enable service provided by daemon.\n### END INIT INFO" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-prov"
        fi

        f_ez_sed "<LBINDEXMG_PATH>" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindexmg" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-prov"
        rm -rf "/etc/init.d/lbindex"
        mv "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindex-prov" "/etc/init.d/lbindex"

        cd /etc/init.d/
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then

            chmod 755 lbindex
            chkconfig --add lbindex &>/dev/null
            chkconfig --level 345 lbindex on
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then

            # TODO: A linha logo abaixo é realmente necessária? Rever p/ os outros instaladores tb! By Questor
            chmod 755 lbindex
            chkconfig --add lbindex &>/dev/null
            chkconfig --level 345 lbindex on
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            update-rc.d -f lbindex remove &>/dev/null
            chmod +x ./lbindex
            update-rc.d lbindex defaults
        fi

        \cp "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindexmg-dist" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindexmg"
        f_ez_sed "<VIRTUALENV_PATH>" "$BASE_INST_DIR_V/$VE_2_X" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/lbindexmg"

        LBG_URL_F="http://127.0.0.1:8008/lbg"
        QUESTION_F="Enter the LBG - LBGenerator URL. 
Use empty for \"$LBG_URL_F\" (LOCALHOST)!"

        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            LBG_URL_F=$GET_USR_INPUT_R
        fi

        QUESTION_F="Enter the port number for http service. 
Use empty for \"$HTTP_PORT_F\" (recommended)!"

        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            HTTP_PORT_F=$GET_USR_INPUT_R
        fi

        \cp "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/production.ini-dist" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/production.ini"
        f_ez_sed "<HTTP_SERVICE_PORT_NUM>" "$HTTP_PORT_F" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/production.ini"
        f_ez_sed "<MACHINE_IP_OR_NAME>" "$LBG_URL_F" "$BASE_INST_DIR_V/$VE_2_X/src/LBIndex/production.ini"

        f_svc_helper "lbindex" "restart"
    fi
    f_fire_hlp "lbindex" $HTTP_PORT_F
fi
f_close_main_section

# < -----------------------------------------

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# FINAL!
# --------------------------------------

EZ_I_SKIP_ON_V=0
read -d '' TITLE_F <<"EOF"
Installer finished! Thanks!
EOF

LBI_SVC_SYNTAX=""
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    LBI_SVC_SYNTAX="systemctl start lbindex.service
    systemctl stop lbindex.service"
else
    LBI_SVC_SYNTAX="service lbindex start
    service lbindex stop"
fi

USEFUL_INFO_F="To configure...
    vi $BASE_INST_DIR_V/$VE_2_X/src/LBIndex/production.ini

python$PYTHON_2_X virtual environment path...
    $BASE_INST_DIR_V/$VE_2_X

To start/stop...
    $LBI_SVC_SYNTAX

Log...
    less /var/log/lbindex.log"

f_end "$TITLE_F" "$USEFUL_INFO_F"
TITLE_F=""
USEFUL_INFO_F=""

# < --------------------------------------------------------------------------