Software Público Brasileiro

#!/bin/bash

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

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

read -d '' TITLE_F <<"EOF"
LBG - LBGenerator Installer
EOF

read -d '' VERSION_F <<"EOF"
0.6.2.0
EOF

read -d '' ABOUT_F <<"EOF"
This script will install LBGenerator the LightBase data specification and model!

Have fun! =D
EOF

read -d '' WARNINGS_F <<"EOF"
- Installer designed for CentOS 6 AMD64/RHEL 6 AMD64!

- We RECOMMEND you...
    Install all the components (answer yes to everything). Except 
        contrary guidance!
    Check for previous installations! If there is previous 
        installations consider this variant in the process!
- We WARNING you...
    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
Free Software + Our Ideas = Best Solution!/Software Livre + Nossas Idéias = Melhor Solução!
+55-61-3347-1949 - http://www.LightBase.com.br - Brasil-DF
EOF

f_begin "$TITLE_F" "$VERSION_F" "$ABOUT_F" "$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=""

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

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

read -d '' INSTRUCT_F <<"EOF"
- To run this script YOU NEED to be root!

- TO CANCEL installation at any time use Ctrl+c!
EOF

f_instruct "$INSTRUCT_F"
INSTRUCT_F=""

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

# > -----------------------------------------
# Dá ao usuário mais avançado a possibilideade de usar o instalador 
# simplificado!

# NOTE: É possível forçar o processo de instalção simplificado setando 
# "SIMPLE_INST" com 1! By Questor
SIMPLE_INST=0
if [ ${SIMPLE_INST} -eq 0 ] ; then
    f_open_section
    f_yes_no "Use simple install (using a default value for most of the options)?"
    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.sh)! Essa 
        # estratégia serve para mudarmos o comportamento do "ez_i.sh" 
        # de acordo com as circunstâncias! By Questor
        SIMPLE_INST=1

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

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

# > -----------------------------------------
# Garantir o encodamento correto para evitar problemas de 
# compatibilidade!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Set terminal encode? (recommended for Windows terminal clients)
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    export LANG=pt_BR.utf8
fi
f_close_section

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

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

EZ_I_SKIP_ON_V=0
f_open_section
read -d '' TITLE_F <<"EOF"
Disable SElinux (use "y" if you never did it)?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
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=$SIMPLE_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

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

# > -----------------------------------------
# Instala os componentes de base usados pela especificação LightBase!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install base components?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; 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 "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 "openssl-devel" "yum" "\"openssl-devel\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y install openssl-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
    f_pack_is_inst "git" "yum" "\"git\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y install git
    fi
fi
f_close_section

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

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

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
QUESTION_F="Insert where the base installation directory (\"lb\") will be created (don't use \"/\" at the end). 
Use empty for \"/usr/local\"!"

f_get_usr_input "$QUESTION_F" 1
QUESTION_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ -z "$GET_USR_INPUT_R" ] ; then
    f_chk_by_path_hlp "$BASE_INST_DIR_V" "d" "\"$BASE_INST_DIR_V\" directory already created!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        mkdir -p "$BASE_INST_DIR_V"
    fi
else
    BASE_INST_DIR_V="$GET_USR_INPUT_R/lb"
    f_chk_by_path_hlp "$BASE_INST_DIR_V" "d" "\"$BASE_INST_DIR_V\" directory already created!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        mkdir -p "$BASE_INST_DIR_V"
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar o python3.2!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install python3.2?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_by_path_hlp "$BASE_INST_DIR_V/py32" "d" "python3.2 already installed in \"$BASE_INST_DIR_V/py32\"!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        tar -zxvf Python-3.2.2.tar.gz
        cd ./Python-3.2.2
        eval "./configure --prefix=$BASE_INST_DIR_V/py32/ --with-threads --enable-shared LDFLAGS=-Wl,-rpath=$BASE_INST_DIR_V/py32/lib/"
        make && make install
        cd ..
        rm -rf ./Python-3.2.2
        f_enter_to_cont "python3.2 installed in \"$BASE_INST_DIR_V/py32\"!"
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar o virtualenv-1.11.6 no python3.2!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install virtualenv-1.11.6 on python3.2?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_by_path_hlp "$BASE_INST_DIR_V/py32/bin/virtualenv-3.2" "f" "virtualenv-1.11.6 already installed in python3.2 (\"$BASE_INST_DIR_V/py32\")!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        tar -zxvf virtualenv-1.11.6.tar.gz
        cd virtualenv-1.11.6
        $BASE_INST_DIR_V/py32/bin/python3.2 setup.py install
        cd ..
        rm -rf virtualenv-1.11.6
    fi
fi
f_close_section

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

# > -----------------------------------------
# Criar o ambiente virtual (python3.2)!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
f_enter_to_cont "Create the virtual environment (python3.2)!"

f_chk_by_path_hlp "$BASE_INST_DIR_V/ve32" "d" "Virtual environment (python3.2) already created in \"$BASE_INST_DIR_V/ve32\"!"
if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
    cd "$BASE_INST_DIR_V"
    $BASE_INST_DIR_V/py32/bin/virtualenv-3.2 ve32
    mkdir "$BASE_INST_DIR_V/ve32/src"
    f_enter_to_cont "Virtual environment created in \"$BASE_INST_DIR_V/ve32\"!"
fi
f_close_section

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

# > -----------------------------------------
# Instalar o Apache (httpd)!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install Apache (httpd)?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_pack_is_inst "httpd-devel" "yum" "Apache (httpd) already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y install httpd-devel httpd
        chkconfig httpd on
        chown -R apache /var/www
        chmod -R 755 /var/www
    fi
fi
f_close_section

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

# > -----------------------------------------
# Abrir o firewall para o Apache (httpd)!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Open firewall for Apache (httpd) (TCP 80)?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_iptables 80 "Port 80 is already open!" 0 "ACCEPT" "tcp" "NEW"
    if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
        iptables -I INPUT 5 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
        service iptables save
        service iptables restart
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar o mod_wsgi-4.3.2!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install mod_wsgi-4.3.2?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    cd "$SCRIPTDIR_V"
    cd ./other-srcs-n-apps

    f_fl_cont_str "$BASE_INST_DIR_V/py32/lib" "/etc/ld.so.conf" "The file \"/etc/ld.so.conf\" probably has already been changed! Check it!"
    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
        f_ez_sed "include ld.so.conf.d/*.conf" "include ld.so.conf.d/*.conf\n$BASE_INST_DIR_V/py32/lib" "/etc/ld.so.conf"
    fi

    UP_MOD_WSGI=1
    f_chk_by_path_hlp "/usr/lib64/httpd/modules/mod_wsgi.so" "f" "mod_wsgi already installed in \"/usr/lib64/httpd/modules/mod_wsgi.so\"!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        if [ ${EZ_I_SKIP_ON_V} -eq 0 ] ; then
            TITLE_F="Update/reinstall mod_wsgi? (\"y\" recommended)"
            f_div_section
            f_yes_no "$TITLE_F"
            f_div_section
            TITLE_F=""
            UP_MOD_WSGI=$YES_NO_R
            if [ ${UP_MOD_WSGI} -eq 1 ] ; then
                rm -rf "/usr/lib64/httpd/modules/mod_wsgi.so"
            fi
        fi
    fi
    if [ ${UP_MOD_WSGI} -eq 1 ] ; then
        ldconfig
        tar -zxvf ./mod_wsgi-4.3.2.tar.gz
        cd ./mod_wsgi-4.3.2
        eval "./configure --with-python=$BASE_INST_DIR_V/py32/bin/python3.2"
        make && make install
        cd ..
        rm -rf ./mod_wsgi-4.3.2
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar o ElasticSearch!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install ElasticSearch?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_pack_is_inst "elasticsearch.noarch" "yum" "ElasticSearch already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        f_pack_is_inst "java-1.7.0-openjdk" "yum" "java-1.7.0-openjdk already installed!"
        if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
            yum -y install java-1.7.0-openjdk
        fi
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        rpm -Uvh elasticsearch-1.1.1.noarch.rpm
        /sbin/chkconfig --add elasticsearch
        f_fl_cont_str "cluster.name: lb" "/etc/elasticsearch/elasticsearch.yml" "The file \"/etc/elasticsearch/elasticsearch.yml\" probably has already been changed! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "# cluster.name: elasticsearch" "# cluster.name: elasticsearch\ncluster.name: lb" "/etc/elasticsearch/elasticsearch.yml"
        fi
        service elasticsearch start
    fi
fi
f_close_section

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

# > -----------------------------------------
# Abrir o firewall para o ElasticSearch!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Open firewall for ElasticSearch (TCP 9200)?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_iptables 9200 "Port 9200 is already open!" 0 "ACCEPT" "tcp" "NEW"
    if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
        iptables -I INPUT 6 -p tcp -m state --state NEW -m tcp --dport 9200 -j ACCEPT
        service iptables save
        service iptables restart
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar o postgres 9.4!

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install postgres 9.4?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    cd "$SCRIPTDIR_V"
    cd ./other-srcs-n-apps
    f_pack_is_inst "pgdg-centos94-9.4-1.noarch" "yum" "postgres 9.4 already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y localinstall pgdg-centos94-9.4-1.noarch.rpm
        yum -y install postgresql94-server
        service postgresql-9.4 initdb
        chkconfig postgresql-9.4 on
        service postgresql-9.4 start
    fi
fi
f_close_section

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

# > -----------------------------------------
# Configurar o postgres 9.4!

CONF_PG=0
EZ_I_SKIP_ON_V=0
f_open_section
TITLE_F="Configure postgres 9.4 (use \"y\" if you never did it)?"
f_yes_no "$TITLE_F"
TITLE_F=""
PG_USER_F="lbu"
PG_PWD_F="lbu"
PG_EXT_ACS_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then

    EZ_I_SKIP_ON_V=$SIMPLE_INST

    f_div_section

    QUESTION_F="Enter the postgres 9.4 user for lightbase (LBG). 
Use empty for \"$PG_USER_F\"!"

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

    f_div_section

    QUESTION_F="Enter the postgres 9.4 password for \"$PG_USER_F\". 
Use empty for \"$PG_PWD_F\"!"

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

    f_div_section

    QUESTION_F="Enter one ip or ip range for external access.
e.g. \"172.20.143.89/32\" for a single host or \"172.20.143.0/24\" for a small network or \"10.6.0.0/16\" for a larger one!
Use empty for local access only!"

    f_get_usr_input "$QUESTION_F" 1
    QUESTION_F=""
    if [ -n "$GET_USR_INPUT_R" ] ; then
        PG_EXT_ACS_F=$GET_USR_INPUT_R
    fi
    EZ_I_SKIP_ON_V=0

    f_is_not_running "postgres" "ERROR! \"postgres\" service not running!"
    if [ ${F_IS_NOT_RUNNING_R} -eq 0 ] ; then
        cd /tmp
        f_get_stderr_stdout "sudo -u postgres psql -tAc \"SELECT * FROM pg_roles WHERE rolname='$PG_USER_F';\""
        if [[ $F_GET_STDOUT_R == *"$PG_USER_F|"* ]]; then
            # NOTE: 
            # rolname|
            # rolsuper|
            # rolinherit|
            # rolcreaterole|
            # rolcreatedb|
            # rolcatupdate|
            # rolcanlogin|
            # rolconnlimit|
            # rolpassword|
            # rolvaliduntil|
            # rolconfig|
            # oid
            # ! By Questor
            if [[ $F_GET_STDOUT_R != *"$PG_USER_F|t|t|t|t|t|t|f|-1|"* ]]; then
                f_div_section
                echo "The user \"$PG_USER_F\" already created, but something is apparently wrong with his roles. The expected roles are \"lbu|f|t|t|t|t|t|f|-1|...\"! DETAILS: \"$F_GET_STDOUT_R\"."
                f_div_section
                f_continue
            else
                EZ_I_SKIP_ON_V=$SIMPLE_INST
                f_enter_to_cont "The user \"$PG_USER_F\" already created and his roles are correct!"
                EZ_I_SKIP_ON_V=0
            fi
        else
            if [[ $F_GET_STDERR_R == "" ]]; then
                sudo -u postgres psql -c "CREATE USER $PG_USER_F INHERIT SUPERUSER CREATEROLE CREATEDB;"
                sudo -u postgres psql -c "ALTER USER $PG_USER_F PASSWORD '$PG_PWD_F';"
            else
                f_enter_to_cont "An error occurred when creating \"$PG_USER_F\" user permissions! ERROR: \"$F_GET_STDERR_R\"."
                f_error_exit
            fi
        fi
        cd - >/dev/null
    else
        f_error_exit
    fi

    EZ_I_SKIP_ON_V=$SIMPLE_INST
    if [ -n "$PG_EXT_ACS_F" ] ; then
        f_fl_cont_str "host    all             all             $PG_EXT_ACS_F            trust" "/var/lib/pgsql/9.4/data/pg_hba.conf" "The file \"/var/lib/pgsql/9.4/data/pg_hba.conf\" probably has already been changed for external access! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "# IPv4 local connections:" "# IPv4 local connections:\nhost    all             all             $PG_EXT_ACS_F            trust" "/var/lib/pgsql/9.4/data/pg_hba.conf"
        fi
    fi

    f_fl_cont_str "host    all             all             127.0.0.1/32            trust" "/var/lib/pgsql/9.4/data/pg_hba.conf" "The file \"/var/lib/pgsql/9.4/data/pg_hba.conf\" probably has already been changed for local access! Check it!"
    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
        f_ez_sed "# IPv4 local connections:" "# IPv4 local connections:\nhost    all             all             127.0.0.1/32            trust" "/var/lib/pgsql/9.4/data/pg_hba.conf"
    fi

    f_fl_cont_str "listen_addresses = '*'" "/var/lib/pgsql/9.4/data/postgresql.conf" "The file \"/var/lib/pgsql/9.4/data/postgresql.conf\" probably has already been changed! Check it!"
    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
        f_ez_sed "# - Connection Settings -" "# - Connection Settings -\n\nlisten_addresses = '*'" "/var/lib/pgsql/9.4/data/postgresql.conf"
    fi

    service postgresql-9.4 restart
    f_enter_to_cont "The file \"/var/lib/pgsql/9.4/data/pg_hba.conf\" has settings for postgres 9.4! Check it for more details!"
    EZ_I_SKIP_ON_V=0
    CONF_PG=1
else
    f_enter_to_cont "The file \"/var/lib/pgsql/9.4/data/pg_hba.conf\" has settings for postgres 9.4! Check it!"
fi
f_close_section

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

# > -----------------------------------------
# Abrir o firewall para o postgres 9.4!

EZ_I_SKIP_ON_V=0
f_open_section
read -d '' TITLE_F <<"EOF"
Open firewall for postgres 9.4 (TCP 5432)?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_iptables 5432 "Port 5432 is already open!" 0 "ACCEPT" "tcp"
    if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
        iptables -I INPUT 1 -m tcp -p tcp --dport 5432 -j ACCEPT
        service iptables save
        service iptables restart
    fi
fi
f_close_section

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

# > -----------------------------------------
# Criar as estruturas de dados básicas do LB no postgres 9.4!

CREATE_LB_DT=0
EZ_I_SKIP_ON_V=0
f_open_section
TITLE_F="Create the basic LightBase (LBG) data structures in postgres 9.4 (use \"y\" if you never did it)?"
f_yes_no "$TITLE_F"
TITLE_F=""
PG_DB_F="lb"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then

    EZ_I_SKIP_ON_V=$SIMPLE_INST
    QUESTION_F="Enter the postgres 9.4 database name for LightBase (LBG). 
Use empty for \"$PG_DB_F\" (recommended)!"

    f_get_usr_input "$QUESTION_F" 1
    QUESTION_F=""
    if [ -n "$GET_USR_INPUT_R" ] ; then
        PG_DB_F=$GET_USR_INPUT_R
    fi
    EZ_I_SKIP_ON_V=0
    f_is_not_running "postgres" "ERROR! \"postgres\" service not running!"
    if [ ${F_IS_NOT_RUNNING_R} -eq 0 ] ; then
        cd /tmp
        f_get_stderr_stdout "sudo -u postgres psql -c \"CREATE DATABASE $PG_DB_F;\""
        if [[ $F_GET_STDERR_R != "" ]]; then
            if [[ $F_GET_STDERR_R == *" already exists"* ]]; then
                EZ_I_SKIP_ON_V=$SIMPLE_INST
                f_enter_to_cont "The database \"$PG_DB_F\" already created!"
                EZ_I_SKIP_ON_V=0
            else
                f_div_section
                echo "An error occurred when creating \"$PG_DB_F\" database! ERROR: \"$F_GET_STDERR_R\"."
                f_div_section
                f_error_exit
            fi
        else
            cd "$SCRIPTDIR_V"
            cp ./lbn-basic-dt-strt/lbn_basic_dt_strt.sql /tmp
            cd /tmp
            chmod 700 lbn_basic_dt_strt.sql
            chown postgres lbn_basic_dt_strt.sql
            chown :postgres lbn_basic_dt_strt.sql
            sudo -u postgres psql $PG_DB_F -f lbn_basic_dt_strt.sql
            rm -f lbn_basic_dt_strt.sql
        fi
    else
        f_error_exit
    fi
    CREATE_LB_DT=1
else
    f_enter_to_cont "The file \"./lbn-basic-dt-strt/lbn_basic_dt_strt.sql\" has the basic LightBase (LBG) data structures! Check it!"
fi
f_close_section

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

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

EZ_I_SKIP_ON_V=$SIMPLE_INST
cd "$SCRIPTDIR_V"
sh py-packs-liblightbase.sh "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V"

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

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

EZ_I_SKIP_ON_V=$SIMPLE_INST
f_open_section
read -d '' TITLE_F <<"EOF"
Install the LIB - liblightbase?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_by_path_hlp "$BASE_INST_DIR_V/ve32/src/liblightbase" "d" "\"liblightbase\" already installed in \"$BASE_INST_DIR_V/ve32/src\"!"
    F_BAK_MD_R=1
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        f_ez_mv_bak "$BASE_INST_DIR_V/ve32/src/liblightbase" "Backup old version and update? (\"y\" recommended)"
    fi
    if [ ${F_BAK_MD_R} -eq 1 ] ; then
        cd "$SCRIPTDIR_V"
        tar -zxvf liblightbase.tar.gz
        mv "$SCRIPTDIR_V/liblightbase" "$BASE_INST_DIR_V/ve32/src/"
        cd "$BASE_INST_DIR_V/ve32/src/liblightbase"
        eval "$BASE_INST_DIR_V/ve32/bin/python3.2 setup.py install"
    fi
fi
f_close_section

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

# > -----------------------------------------
# Instalar e configurar o LBG - LBGenerator!

EZ_I_SKIP_ON_V=$SIMPLE_INST
cd "$SCRIPTDIR_V"
sh py-packs-LBGenerator.sh "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V"

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

# > -----------------------------------------
# Instalar o LBG - LBGenerator!

EZ_I_SKIP_ON_V=$SIMPLE_INST
APP_URL_F="lbg"
f_open_section
read -d '' TITLE_F <<"EOF"
Install the LBG - LBGenerator?
EOF

f_yes_no "$TITLE_F"
TITLE_F=""
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then

    f_chk_by_path_hlp "$BASE_INST_DIR_V/ve32/src/LBGenerator" "d" "\"LBGenerator\" already installed in \"$BASE_INST_DIR_V/ve32/src\"!"
    F_BAK_MD_R=1
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        f_ez_mv_bak "$BASE_INST_DIR_V/ve32/src/LBGenerator" "Backup old version and update? (\"y\" recommended)"
    fi
    if [ ${F_BAK_MD_R} -eq 1 ] ; then
        cd "$SCRIPTDIR_V"
        tar -zxvf LBGenerator.tar.gz
        mv "$SCRIPTDIR_V/LBGenerator" "$BASE_INST_DIR_V/ve32/src/"
        cd "$BASE_INST_DIR_V/ve32/src/LBGenerator"
        eval "$BASE_INST_DIR_V/ve32/bin/python3.2 setup.py install"

        f_enter_to_cont "Configure httpd (Apache) for LBG - LBGenerator!"

        # NOTE: To debug! By Questor
        # PG_USER_F="lbu"
        # PG_PWD_F="lbu"
        # PG_DB_F="lb"
        PG_CFG_F="postgresql://$PG_USER_F:$PG_PWD_F@127.0.0.1/$PG_DB_F"
        QUESTION_F="Enter the postgres 9.4 LBG configuration. 
Use empty for \"$PG_CFG_F\"!"

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

        QUESTION_F="Enter lightbase URL. 
Use empty for \"$APP_URL_F\" (used like e.g. http://<ip_or_name>/$APP_URL_F)!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        f_div_section
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            APP_URL_F=$GET_USR_INPUT_R
        fi

        eval "cp -f \"$BASE_INST_DIR_V/ve32/src/LBGenerator/lbgenerator.wsgi-dist\" \"$BASE_INST_DIR_V/ve32/src/LBGenerator/lbgenerator.wsgi\""
        f_ez_sed "<VE32_PATH>" "$BASE_INST_DIR_V/ve32" "$BASE_INST_DIR_V/ve32/src/LBGenerator/lbgenerator.wsgi"

        eval "cp -f \"$BASE_INST_DIR_V/ve32/src/LBGenerator/production.ini-dist\" \"$BASE_INST_DIR_V/ve32/src/LBGenerator/production.ini\""
        f_ez_sed "<SQLALCHEMY_URL>" "$PG_CFG_F" "$BASE_INST_DIR_V/ve32/src/LBGenerator/production.ini" 1

        f_chk_by_path_hlp "/etc/httpd/conf.d/lbg.conf" "f" "\"lbg.conf\" already created in \"/etc/httpd/conf.d/lbg.conf\"!"
        F_BAK_MD_R=1
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            f_ez_mv_bak "/etc/httpd/conf.d/lbg.conf" "Backup old version and update? (\"y\" recommended)"
        fi

        if [ ${F_BAK_MD_R} -eq 1 ] ; then
            eval "cp -f \"$SCRIPTDIR_V/other-srcs-n-apps/lbg.conf.dist\" \"/etc/httpd/conf.d/lbg.conf\""
            f_ez_sed "<VE32_PATH>" "$BASE_INST_DIR_V/ve32" "/etc/httpd/conf.d/lbg.conf" 1
            f_ez_sed "<LBG_URL>" "$APP_URL_F" "/etc/httpd/conf.d/lbg.conf" 1
        fi

        eval "chown -R apache $BASE_INST_DIR_V"
        eval "chmod -R 755 $BASE_INST_DIR_V"

        service httpd restart
    fi
fi
f_close_section

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

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

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

# NOTE: A lógica imediatamente abaixo serve para os casos onde o 
# usuário optou por instalação simplificada para que ele seja informado 
# sobre quais foram as configurações de persistência setadas! By Questor
PERSIST_CONFIG=""
if [ ${SIMPLE_INST} -eq 1 ] && ([ ${CONF_PG} -eq 1 ] || [ ${CREATE_LB_DT} -eq 1 ]); then

    if [ ${CONF_PG} -eq 1 ] ; then
        CONF_PG_VL="
        user ...... $PG_USER_F
        password .. $PG_PWD_F"
    fi
    if [ ${CREATE_LB_DT} -eq 1 ] ; then
        CREATE_LB_DT_VL="
        database .... $PG_DB_F"
    fi

    PERSIST_CONFIG="
    LightBase (LBG) postgres 9.4 persistence config...$CREATE_LB_DT_VL$CONF_PG_VL
"
fi

USEFUL_INFO_F="    To start/stop...
        service httpd start
        service httpd stop
$PERSIST_CONFIG
    To access...
        http://<ip>/$APP_URL_F

    To configure...
        vi $BASE_INST_DIR_V/ve32/src/LBGenerator/production.ini

    To configure httpd (Apache)...
        vi /etc/httpd/conf.d/lbg.conf

    Log...
        less /var/log/httpd/error_log"

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

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