source: installer/opengnsys_installer.sh @ 4caea35

#!/bin/bash

#####################################################################
####### Script instalador OpenGnsys
####### autor: Luis Guillén <lguillen@unizar.es>
#####################################################################



####  AVISO: Editar configuración de acceso por defecto a la Base de Datos.
MYSQL_ROOT_PASSWORD="passwordroot"      # Clave root de MySQL
OPENGNSYS_DATABASE="ogAdmBD"            # Nombre de la base datos
OPENGNSYS_DB_USER="usuog"               # Usuario de acceso
OPENGNSYS_DB_PASSWD="passusuog"         # Clave del usuario

####  AVISO: NO EDITAR. 
#### configuración de acceso smb para clientes OG.
OPENGNSYS_CLIENT_USER="opengnsys"               # Nombre del usuario
OPENGNSYS_CLIENT_PASSWD="og"            # Clave del usuario opengnsys



# Sólo ejecutable por usuario root
if [ "$(whoami)" != 'root' ]
then
        echo "ERROR: this program must run under root privileges!!"
        exit 1
fi

# Detectar sistema operativo del servidor (debe soportar LSB).
OSDISTRIB=$(lsb_release -is 2>/dev/null)
# Array con las dependencias que deben estar instaladas, según de la distribución detectada.
case "$OSDISTRIB" in
        Ubuntu) DEPENDENCIES=( subversion apache2 php5 libapache2-mod-php5 mysql-server php5-mysql nfs-kernel-server dhcp3-server bittorrent tftp-hpa tftpd-hpa syslinux openbsd-inetd update-inetd build-essential g++-multilib libmysqlclient15-dev wget doxygen graphviz bittornado ctorrent samba unzip netpipes debootstrap schroot squashfs-tools )
                ;;
        *)      echo "ERROR: Distribution not supported by OpenGnSys."
                exit 1 ;;
esac

# Comprobar si se ha descargado el paquete comprimido (USESVN=0) o sólo el instalador (USESVN=1).
PROGRAMDIR=$(readlink -e $(dirname "$0"))
OPENGNSYS_SERVER="www.opengnsys.es"
if [ -d "$PROGRAMDIR/../installer" ]; then
    USESVN=0
else
    USESVN=1
fi
SVN_URL="http://$OPENGNSYS_SERVER/svn/trunk/"

WORKDIR=/tmp/opengnsys_installer
mkdir -p $WORKDIR

INSTALL_TARGET=/opt/opengnsys
LOG_FILE=/tmp/opengnsys_installation.log

# Base de datos
OPENGNSYS_DB_CREATION_FILE=opengnsys/admin/Database/ogAdmBD.sql


#####################################################################
####### Algunas funciones útiles de propósito general:
#####################################################################
function getDateTime()
{
        date "+%Y%m%d-%H%M%S"
}

# Escribe a fichero y muestra por pantalla
function echoAndLog()
{
        echo "$1"
        FECHAHORA=`getDateTime`
        echo "$FECHAHORA;$SSH_CLIENT;$1" >> $LOG_FILE
}

function errorAndLog()
{
        echo "ERROR: $1"
        FECHAHORA=`getDateTime`
        echo "$FECHAHORA;$SSH_CLIENT;ERROR: $1" >> $LOG_FILE
}

# comprueba si el elemento pasado en $2 esta en el array $1
function isInArray()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        echoAndLog "${FUNCNAME}(): checking if $2 is in $1"
        local deps
        eval "deps=( \"\${$1[@]}\" )"
        elemento=$2

        local is_in_array=1
        # copia local del array del parametro 1
        for (( i = 0 ; i < ${#deps[@]} ; i++ ))
        do
                if [ "${deps[$i]}" = "${elemento}" ]; then
                        echoAndLog "isInArray(): $elemento found in array"
                        is_in_array=0
                fi
        done

        if [ $is_in_array -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): $elemento NOT found in array"
        fi

        return $is_in_array

}

#####################################################################
####### Funciones de manejo de paquetes Debian
#####################################################################

function checkPackage()
{
        package=$1
        if [ -z $package ]; then
                errorAndLog "${FUNCNAME}(): parameter required"
                exit 1
        fi
        echoAndLog "${FUNCNAME}(): checking if package $package exists"
        dpkg -s $package &>/dev/null | grep Status | grep -qw install
        if [ $? -eq 0 ]; then
                echoAndLog "${FUNCNAME}(): package $package exists"
                return 0
        else
                echoAndLog "${FUNCNAME}(): package $package doesn't exists"
                return 1
        fi
}

# recibe array con dependencias
# por referencia deja un array con las dependencias no resueltas
# devuelve 1 si hay alguna dependencia no resuelta
function checkDependencies()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        echoAndLog "${FUNCNAME}(): checking dependences"
        uncompletedeps=0

        # copia local del array del parametro 1
        local deps
        eval "deps=( \"\${$1[@]}\" )"

        declare -a local_notinstalled

        for (( i = 0 ; i < ${#deps[@]} ; i++ ))
        do
                checkPackage ${deps[$i]}
                if [ $? -ne 0 ]; then
                        local_notinstalled[$uncompletedeps]=$package
                        let uncompletedeps=uncompletedeps+1
                fi
        done

        # relleno el array especificado en $2 por referencia
        for (( i = 0 ; i < ${#local_notinstalled[@]} ; i++ ))
        do
                eval "${2}[$i]=${local_notinstalled[$i]}"
        done

        # retorna el numero de paquetes no resueltos
        echoAndLog "${FUNCNAME}(): dependencies uncompleted: $uncompletedeps"
        return $uncompletedeps
}

# Recibe un array con las dependencias y lo instala
function installDependencies()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi
        echoAndLog "${FUNCNAME}(): installing uncompleted dependencies"

        # copia local del array del parametro 1
        local deps
        eval "deps=( \"\${$1[@]}\" )"

        local string_deps=""
        for (( i = 0 ; i < ${#deps[@]} ; i++ ))
        do
                string_deps="$string_deps ${deps[$i]}"
        done

        if [ -z "${string_deps}" ]; then
                errorAndLog "${FUNCNAME}(): array of dependeces is empty"
                exit 1
        fi

        OLD_DEBIAN_FRONTEND=$DEBIAN_FRONTEND
        export DEBIAN_FRONTEND=noninteractive

        echoAndLog "${FUNCNAME}(): now ${string_deps} will be installed"
        apt-get -y install --force-yes ${string_deps}
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error installing dependencies"
                return 1
        fi

        DEBIAN_FRONTEND=$OLD_DEBIAN_FRONTEND
        echoAndLog "${FUNCNAME}(): dependencies installed"
}

# Hace un backup del fichero pasado por parámetro
# deja un -last y uno para el día
function backupFile()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local fichero=$1
        local fecha=`date +%Y%m%d`

        if [ ! -f $fichero ]; then
                errorAndLog "${FUNCNAME}(): file $fichero doesn't exists"
                return 1
        fi

        echoAndLog "${FUNCNAME}(): realizando backup de $fichero"

        # realiza una copia de la última configuración como last
        cp -p $fichero "${fichero}-LAST"

        # si para el día no hay backup lo hace, sino no
        if [ ! -f "${fichero}-${fecha}" ]; then
                cp -p $fichero "${fichero}-${fecha}"
        fi

        echoAndLog "${FUNCNAME}(): backup realizado"
}

#####################################################################
####### Funciones para el manejo de bases de datos
#####################################################################

# This function set password to root
function mysqlSetRootPassword()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_mysql="$1"
        echoAndLog "${FUNCNAME}(): setting root password in MySQL server"
        mysqladmin -u root password "$root_mysql"
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while setting root password in MySQL server"
                return 1
        fi
        echoAndLog "${FUNCNAME}(): root password saved!"
        return 0
}

# Si el servicio mysql esta ya instalado cambia la variable de la clave del root por la ya existente
function mysqlGetRootPassword()
{
        local pass_mysql
        local pass_mysql2
        # Comprobar si MySQL está instalado con la clave de root por defecto.
        if mysql -u root -p"$MYSQL_ROOT_PASSWORD" <<<"quit" 2>/dev/null; then
                echoAndLog "${FUNCNAME}(): Using default mysql root password."
        else
                stty -echo
                echo "There is a MySQL service already installed."
                read -p "Enter MySQL root password: " pass_mysql
                echo ""
                read -p "Confrim password:" pass_mysql2
                echo ""
                stty echo
                if [ "$pass_mysql" == "$pass_mysql2" ] ;then
                        MYSQL_ROOT_PASSWORD="$pass_mysql"
                        return 0
                else
                        echo "The keys don't match. Do not configure the server's key,"
                        echo "transactions in the database will give error."
                        return 1
                fi
        fi
}

# comprueba si puede conectar con mysql con el usuario root
function mysqlTestConnection()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="${1}"
        echoAndLog "${FUNCNAME}(): checking connection to mysql..."
        echo "" | mysql -uroot -p"${root_password}"
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): connection to mysql failed, check root password and if daemon is running!"
                return 1
        else
                echoAndLog "${FUNCNAME}(): connection success"
                return 0
        fi
}

# comprueba si la base de datos existe
function mysqlDbExists()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="${1}"
        local database=$2
        echoAndLog "${FUNCNAME}(): checking if $database exists..."
        echo "show databases" | mysql -uroot -p"${root_password}" | grep "^${database}$"
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}():database $database doesn't exists"
                return 1
        else
                echoAndLog "${FUNCNAME}():database $database exists"
                return 0
        fi
}

function mysqlCheckDbIsEmpty()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="${1}"
        local database=$2
        echoAndLog "${FUNCNAME}(): checking if $database is empty..."
        num_tablas=`echo "show tables" | mysql -uroot -p"${root_password}" "${database}" | wc -l`
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error executing query, check database and root password"
                exit 1
        fi

        if [ $num_tablas -eq 0 ]; then
                echoAndLog "${FUNCNAME}():database $database is empty"
                return 0
        else
                echoAndLog "${FUNCNAME}():database $database has tables"
                return 1
        fi

}


function mysqlImportSqlFileToDb()
{
        if [ $# -ne 3 ]; then
                errorAndLog "${FNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="$1"
        local database="$2"
        local sqlfile="$3"
        local tmpfile=$(mktemp)
        local status

        if [ ! -f $sqlfile ]; then
                errorAndLog "${FUNCNAME}(): Unable to locate $sqlfile!!"
                return 1
        fi

        echoAndLog "${FUNCNAME}(): importing sql file to ${database}..."
        chmod 600 $tmpfile
        sed -e "s/SERVERIP/$SERVERIP/g" -e "s/DBUSER/$OPENGNSYS_DB_USER/g" \
            -e "s/DBPASSWORD/$OPENGNSYS_DB_PASSWD/g" $sqlfile > $tmpfile
        mysql -uroot -p"${root_password}" --default-character-set=utf8 "${database}" < $tmpfile
        status=$?
        rm -f $tmpfile
        if [ $status -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while importing $sqlfile in database $database"
                return 1
        fi
        echoAndLog "${FUNCNAME}(): file imported to database $database"
        return 0
}

# Crea la base de datos
function mysqlCreateDb()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="${1}"
        local database=$2

        echoAndLog "${FUNCNAME}(): creating database..."
        mysqladmin -u root --password="${root_password}" create $database
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while creating database $database"
                return 1
        fi
        echoAndLog "${FUNCNAME}(): database $database created"
        return 0
}


function mysqlCheckUserExists()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password="${1}"
        local userdb=$2

        echoAndLog "${FUNCNAME}(): checking if $userdb exists..."
        echo "select user from user where user='${userdb}'\\G" |mysql -uroot -p"${root_password}" mysql | grep user
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): user doesn't exists"
                return 1
        else
                echoAndLog "${FUNCNAME}(): user already exists"
                return 0
        fi

}

# Crea un usuario administrativo para la base de datos
function mysqlCreateAdminUserToDb()
{
        if [ $# -ne 4 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local root_password=$1
        local database=$2
        local userdb=$3
        local passdb=$4

        echoAndLog "${FUNCNAME}(): creating admin user ${userdb} to database ${database}"

        cat > $WORKDIR/create_${database}.sql <<EOF
GRANT USAGE ON *.* TO '${userdb}'@'localhost' IDENTIFIED BY '${passdb}' ;
GRANT ALL PRIVILEGES ON ${database}.* TO '${userdb}'@'localhost' WITH GRANT OPTION ;
FLUSH PRIVILEGES ;
EOF
        mysql -u root --password=${root_password} < $WORKDIR/create_${database}.sql
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while creating user in mysql"
                rm -f $WORKDIR/create_${database}.sql
                return 1
        else
                echoAndLog "${FUNCNAME}(): user created ok"
                rm -f $WORKDIR/create_${database}.sql
                return 0
        fi
}


#####################################################################
####### Funciones para el manejo de Subversion
#####################################################################

function svnExportCode()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local url="$1"

        echoAndLog "${FUNCNAME}(): downloading subversion code..."

        svn export --force "$url" opengnsys
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error getting OpenGnSys code from $url"
                return 1
        fi
        echoAndLog "${FUNCNAME}(): subversion code downloaded"
        return 0
}


############################################################
###  Detectar red
############################################################

# Comprobar si existe conexión.
function checkNetworkConnection()
{
        OPENGNSYS_SERVER=${OPENGNSYS_SERVER:-"www.opengnsys.es"}
        wget --spider -q $OPENGNSYS_SERVER
}

# Obtener los parámetros de red de la interfaz por defecto.
function getNetworkSettings()
{
        # Variables globales definidas:
        # - SERVERIP: IP local del servidor.
        # - NETIP:    IP de la red.
        # - NETMASK:  máscara de red.
        # - NETBROAD: IP de difusión de la red.
        # - ROUTERIP: IP del router.
        # - DNSIP:    IP del servidor DNS.

        local MAINDEV

        echoAndLog "${FUNCNAME}(): Detecting default network parameters."
        MAINDEV=$(ip -o link show up | awk '!/loopback/ {d=d$2} END {sub(/:.*/,"",d); print d}')
        if [ -z "$MAINDEV" ]; then
                errorAndLog "${FUNCNAME}(): Network device not detected."
                exit 1
        fi
        SERVERIP=$(ip -o addr show dev $MAINDEV | awk '$3~/inet$/ {sub (/\/.*/, ""); print ($4)}')
        NETMASK=$(LANG=C ifconfig $MAINDEV | awk '/Mask/ {sub(/.*:/,"",$4); print $4}')
        NETBROAD=$(ip -o addr show dev $MAINDEV | awk '$3~/inet$/ {print ($6)}')
        NETIP=$(netstat -nr | grep $MAINDEV | awk '$1!~/0\.0\.0\.0/ {if (n=="") n=$1} END {print n}')
        ROUTERIP=$(netstat -nr | awk '$1~/0\.0\.0\.0/ {print $2}')
        DNSIP=$(awk '/nameserver/ {print $2}' /etc/resolv.conf | head -n1)
        if [ -z "$NETIP" -o -z "$NETMASK" ]; then
                errorAndLog "${FUNCNAME}(): Network not detected."
                exit 1
        fi

        # Variables de ejecución de Apache
        # - APACHE_RUN_USER
        # - APACHE_RUN_GROUP
        if [ -f /etc/apache2/envvars ]; then
                source /etc/apache2/envvars
        fi
        APACHE_RUN_USER=${APACHE_RUN_USER:-"www-data"}
        APACHE_RUN_GROUP=${APACHE_RUN_GROUP:-"www-data"}
}


############################################################
### Esqueleto para el Servicio pxe y contenedor tftpboot ###
############################################################

function tftpConfigure()
{
        local basetftp=/var/lib/tftpboot

        echoAndLog "${FUNCNAME}(): Configuring TFTP service."
        # reiniciamos demonio internet ????? porque ????
        /etc/init.d/openbsd-inetd start

        # preparacion contenedor tftpboot
        cp -ar /usr/lib/syslinux/ ${basetftp}/syslinux
        cp -a /usr/lib/syslinux/pxelinux.0 ${basetftp}
        # prepamos el directorio de la configuracion de pxe
        mkdir -p ${basetftp}/pxelinux.cfg
        cat > ${basetftp}/pxelinux.cfg/default <<EOF
DEFAULT syslinux/vesamenu.c32 
MENU TITLE Aplicacion GNSYS 
 
LABEL 1 
MENU LABEL 1 
KERNEL syslinux/chain.c32 
APPEND hd0 
 
PROMPT 0 
TIMEOUT 10 
EOF
        # comprobamos el servicio tftp
        sleep 1
        testPxe
}

function testPxe ()
{
        echoAndLog "${FUNCNAME}(): Checking TFTP service... please wait."
        cd /tmp
        tftp -v localhost -c get pxelinux.0 /tmp/pxelinux.0 && echoAndLog "TFTP service is OK." || errorAndLog "TFTP service is down."
        cd /
}


########################################################################
## Configuracion servicio NFS
########################################################################

# ADVERTENCIA: usa variables globales NETIP y NETMASK!
function nfsConfigure()
{
        echoAndLog "${FUNCNAME}(): Config nfs server."

        backupFile /etc/exports

        nfsAddExport /opt/opengnsys/client ${NETIP}/${NETMASK}:ro,no_subtree_check,no_root_squash,sync
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while adding nfs client config"
                return 1
        fi

        nfsAddExport /opt/opengnsys/images ${NETIP}/${NETMASK}:rw,no_subtree_check,no_root_squash,sync,crossmnt
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while adding nfs images config"
                return 1
        fi

        nfsAddExport /opt/opengnsys/log/clients ${NETIP}/${NETMASK}:rw,no_subtree_check,no_root_squash,sync
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while adding logging client config"
                return 1
        fi

        nfsAddExport /var/lib/tftpboot ${NETIP}/${NETMASK}:ro,no_subtree_check,no_root_squash,sync
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while adding second filesystem for the pxe ogclient"
                return 1
        fi

        /etc/init.d/nfs-kernel-server restart

        exportfs -va
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while configure exports"
                return 1
        fi

        echoAndLog "${FUNCNAME}(): Added NFS configuration to file \"/etc/exports\"."
        return 0
}


# ejemplos:
#nfsAddExport /opt/opengnsys 192.168.0.0/255.255.255.0:ro,no_subtree_check,no_root_squash,sync
#nfsAddExport /opt/opengnsys 192.168.0.0/255.255.255.0
#nfsAddExport /opt/opengnsys 80.20.2.1:ro 192.123.32.2:rw
function nfsAddExport()
{
        if [ $# -lt 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        if [ ! -f /etc/exports ]; then
                errorAndLog "${FUNCNAME}(): /etc/exports don't exists"
                return 1
        fi

        local export="${1}"
        local contador=0
        local cadenaexport

        grep "^${export}" /etc/exports > /dev/null
        if [ $? -eq 0 ]; then
                echoAndLog "${FUNCNAME}(): $export exists in /etc/exports, omiting"
                return 0
        fi

        cadenaexport="${export}"
        for parametro in $*
        do
                if [ $contador -gt 0 ]
                then
                        host=`echo $parametro | awk -F: '{print $1}'`
                        options=`echo $parametro | awk -F: '{print $2}'`
                        if [ "${host}" == "" ]; then
                                errorAndLog "${FUNCNAME}(): host can't be empty"
                                return 1
                        fi
                        cadenaexport="${cadenaexport}\t${host}"

                        if [ "${options}" != "" ]; then
                                cadenaexport="${cadenaexport}(${options})"
                        fi
                fi
                let contador=contador+1
        done

        echo -en "$cadenaexport\n" >> /etc/exports

        echoAndLog "${FUNCNAME}(): add $export to /etc/exports"

        return 0
}


########################################################################
## Configuracion servicio Samba
########################################################################
function smbConfigure()
{
        echoAndLog "${FUNCNAME}(): Configuring Samba service."

        backupFile /etc/samba/smb.conf
        
        # Copiar plantailla de recursos para OpenGnSys
        sed -e "s/OPENGNSYSDIR/${INSTALL_TARGET//\//\\/}/g" \
                $WORKDIR/opengnsys/server/etc/smb-og.conf.tmpl > /etc/samba/smb-og.conf
        # Configurar y recargar Samba"
        perl -pi -e "s/WORKGROUP/OPENGNSYS/; s/server string \=.*/server string \= OpenGnSys Samba Server/; s/^\; *include \=.*$/   include \= \/etc\/samba\/smb-og.conf/" /etc/samba/smb.conf
        /etc/init.d/smbd restart
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while configure Samba"
                return 1
        fi
        # Crear clave para usuario de acceso a los recursos.
        echo -ne "$OPENGNSYS_CLIENT_PASSWD\n$OPENGNSYS_CLIENT_PASSWD\n" | smbpasswd -a -s $OPENGNSYS_CLIENT_USER

        echoAndLog "${FUNCNAME}(): Added Samba configuration."
        return 0
}


########################################################################
## Configuracion servicio DHCP
########################################################################

function dhcpConfigure()
{
        echoAndLog "${FUNCNAME}(): Sample DHCP configuration."

        local DHCPSERVER=/etc/init.d/isc-dhcp-server
        DHCPCONFIG=/etc/dhcp/dhcpd.conf
        if [ ! -x $DHCPSERVER ]; then
                DHCPSERVER=/etc/init.d/dhcp3-server
                DHCPCONFIG=/etc/dhcp3/dhcpd.conf
        fi
        backupFile $DHCPCONFIG

        sed -e "s/SERVERIP/$SERVERIP/g" \
            -e "s/NETIP/$NETIP/g" \
            -e "s/NETMASK/$NETMASK/g" \
            -e "s/NETBROAD/$NETBROAD/g" \
            -e "s/ROUTERIP/$ROUTERIP/g" \
            -e "s/DNSIP/$DNSIP/g" \
            $WORKDIR/opengnsys/server/etc/dhcpd.conf.tmpl > $DHCPCONFIG
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while configuring DHCP server"
                return 1
        fi

        $DHCPSERVER restart
        echoAndLog "${FUNCNAME}(): Sample DHCP configured in file \"$DHCPCONFIG\"."
        return 0
}


#####################################################################
####### Funciones específicas de la instalación de Opengnsys
#####################################################################

# Copiar ficheros del OpenGnSys Web Console.
function installWebFiles()
{
        echoAndLog "${FUNCNAME}(): Installing web files..."
        cp -ar $WORKDIR/opengnsys/admin/WebConsole/* $INSTALL_TARGET/www   #*/ comentario para doxigen
        if [ $? != 0 ]; then
                errorAndLog "${FUNCNAME}(): Error copying web files."
                exit 1
        fi
        find $INSTALL_TARGET/www -name .svn -type d -exec rm -fr {} \; 2>/dev/null
        # Descomprimir XAJAX.
        unzip $WORKDIR/opengnsys/admin/xajax_0.5_standard.zip -d $INSTALL_TARGET/www/xajax
        # Cambiar permisos para ficheros especiales.
        chown -R $APACHE_RUN_USER:$APACHE_RUN_GROUP $INSTALL_TARGET/www/images/iconos
        echoAndLog "${FUNCNAME}(): Web files installed successfully."
}

# Configuración específica de Apache.
function openGnsysInstallWebConsoleApacheConf()
{
        if [ $# -ne 2 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local path_opengnsys_base=$1
        local path_apache2_confd=$2
        local path_web_console=${path_opengnsys_base}/www

        if [ ! -d $path_apache2_confd ]; then
                errorAndLog "${FUNCNAME}(): path to apache2 conf.d can not found, verify your server installation"
                return 1
        fi

        mkdir -p $path_apache2_confd/{sites-available,sites-enabled}

        echoAndLog "${FUNCNAME}(): creating apache2 config file.."


        # genera configuración
        cat > $path_opengnsys_base/etc/apache.conf <<EOF
# OpenGnSys Web Console configuration for Apache

Alias /opengnsys ${path_web_console}

<Directory ${path_web_console}>
        Options -Indexes FollowSymLinks
        DirectoryIndex acceso.php
</Directory>
EOF

        ln -fs $path_opengnsys_base/etc/apache.conf $path_apache2_confd/sites-available/opengnsys.conf
        ln -fs $path_apache2_confd/sites-available/opengnsys.conf $path_apache2_confd/sites-enabled/opengnsys.conf
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): config file can't be linked to apache conf, verify your server installation"
                return 1
        else
                echoAndLog "${FUNCNAME}(): config file created and linked, restarting apache daemon"
                /etc/init.d/apache2 restart
                return 0
        fi
}


# Crear documentación Doxygen para la consola web.
function makeDoxygenFiles()
{
        echoAndLog "${FUNCNAME}(): Making Doxygen web files..."
        $WORKDIR/opengnsys/installer/ogGenerateDoc.sh \
                        $WORKDIR/opengnsys/client/engine $INSTALL_TARGET/www
        if [ ! -d "$INSTALL_TARGET/www/html" ]; then
                errorAndLog "${FUNCNAME}(): unable to create Doxygen web files."
                return 1
        fi
        mv "$INSTALL_TARGET/www/html" "$INSTALL_TARGET/www/api"
        chown -R $APACHE_RUN_USER:$APACHE_RUN_GROUP $INSTALL_TARGET/www/api
        echoAndLog "${FUNCNAME}(): Doxygen web files created successfully."
}


# Crea la estructura base de la instalación de opengnsys
function createDirs()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local path_opengnsys_base="$1"

        # Crear estructura de directorios.
        echoAndLog "${FUNCNAME}(): creating directory paths in $path_opengnsys_base"
        mkdir -p $path_opengnsys_base
        mkdir -p $path_opengnsys_base/bin
        mkdir -p $path_opengnsys_base/client
        mkdir -p $path_opengnsys_base/doc
        mkdir -p $path_opengnsys_base/etc
        mkdir -p $path_opengnsys_base/lib
        mkdir -p $path_opengnsys_base/log/clients
        ln -fs $path_opengnsys_base/log /var/log/opengnsys
        mkdir -p $path_opengnsys_base/sbin
        mkdir -p $path_opengnsys_base/www
        mkdir -p $path_opengnsys_base/images
        ln -fs /var/lib/tftpboot $path_opengnsys_base
        mkdir -p $path_opengnsys_base/tftpboot/pxelinux.cfg
        mkdir -p $path_opengnsys_base/tftpboot/menu.lst
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while creating dirs. Do you have write permissions?"
                return 1
        fi

        # Crear usuario ficticio.
        if id -u $OPENGNSYS_CLIENT_USER &>/dev/null; then 
                echoAndLog "${FUNCNAME}(): user \"$OPENGNSYS_CLIENT_USER\" is already created"
        else
                echoAndLog "${FUNCNAME}(): creating OpenGnSys user"
                useradd $OPENGNSYS_CLIENT_USER 2>/dev/null
                if [ $? -ne 0 ]; then
                        errorAndLog "${FUNCNAME}(): error creating OpenGnSys user"
                        return 1
                fi
        fi

        # Establecer los permisos básicos.
        echoAndLog "${FUNCNAME}(): setting directory permissions"
        chmod -R 775 $path_opengnsys_base/{log/clients,images,tftpboot}
        chown -R :$OPENGNSYS_CLIENT_USER $path_opengnsys_base/{log/clients,images}
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while setting permissions"
                return 1
        fi

        echoAndLog "${FUNCNAME}(): directory paths created"
        return 0
}

# Copia ficheros de configuración y ejecutables genéricos del servidor.
function openGnsysCopyServerFiles ()
{
        if [ $# -ne 1 ]; then
                errorAndLog "${FUNCNAME}(): invalid number of parameters"
                exit 1
        fi

        local path_opengnsys_base="$1"

        local SOURCES=( server/tftpboot \
                        server/bin \
                        repoman/bin \
                        installer/opengnsys_uninstall.sh \
                        installer/opengnsys_update.sh \
                        doc )
        local TARGETS=( tftpboot \
                        bin \
                        bin \
                        lib \
                        lib \
                        doc )

        if [ ${#SOURCES[@]} != ${#TARGETS[@]} ]; then
                errorAndLog "${FUNCNAME}(): inconsistent number of array items"
                exit 1
        fi

        echoAndLog "${FUNCNAME}(): copying files to server directories"

        pushd $WORKDIR/opengnsys
        local i
        for (( i = 0; i < ${#SOURCES[@]}; i++ )); do
                if [ -f "${SOURCES[$i]}" ]; then
                        echoAndLog "Copying ${SOURCES[$i]} to $path_opengnsys_base/${TARGETS[$i]}"
                        cp -a "${SOURCES[$i]}" "${path_opengnsys_base}/${TARGETS[$i]}"
                elif [ -d "${SOURCES[$i]}" ]; then
                        echoAndLog "Copying content of ${SOURCES[$i]} to $path_opengnsys_base/${TARGETS[$i]}"
                        cp -a "${SOURCES[$i]}"/* "${path_opengnsys_base}/${TARGETS[$i]}"
        else
                        echoAndLog "Warning: Unable to copy ${SOURCES[$i]} to $path_opengnsys_base/${TARGETS[$i]}"
                fi
        done
        popd
}

####################################################################
### Funciones de compilación de código fuente de servicios
####################################################################

# Compilar los servicios de OpenGnSys
function servicesCompilation ()
{
        local hayErrores=0

        # Compilar OpenGnSys Server
        echoAndLog "${FUNCNAME}(): Compiling OpenGnSys Admin Server"
        pushd $WORKDIR/opengnsys/admin/Sources/Services/ogAdmServer
        make && make install
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): error while compiling OpenGnSys Admin Server"
                hayErrores=1
        fi
        popd
        # Compilar OpenGnSys Repository Manager
        echoAndLog "${FUNCNAME}(): Compiling OpenGnSys Repository Manager"
        pushd $WORKDIR/opengnsys/admin/Sources/Services/ogAdmRepo
        make && make install
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): error while compiling OpenGnSys Repository Manager"
                hayErrores=1
        fi
        popd
        # Compilar OpenGnSys Agent
        echoAndLog "${FUNCNAME}(): Compiling OpenGnSys Agent"
        pushd $WORKDIR/opengnsys/admin/Sources/Services/ogAdmAgent
        make && make install
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): error while compiling OpenGnSys Agent"
                hayErrores=1
        fi
        popd    
        # Compilar OpenGnSys Client
        echoAndLog "${FUNCNAME}(): Compiling OpenGnSys Admin Client"
        pushd $WORKDIR/opengnsys/admin/Sources/Clients/ogAdmClient
        make && mv ogAdmClient ../../../../client/shared/bin
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): error while compiling OpenGnSys Admin Client"
                hayErrores=1
        fi
        popd

        return $hayErrores
}

####################################################################
### Funciones de copia de la Interface de administración
####################################################################

# Copiar carpeta de Interface
function copyInterfaceAdm ()
{
        local hayErrores=0
        
        # Crear carpeta y copiar Interface
        echoAndLog "${FUNCNAME}(): Copying Administration Interface Folder"
        cp -ar $WORKDIR/opengnsys/admin/Interface $INSTALL_TARGET/client/interfaceAdm
        if [ $? -ne 0 ]; then
                echoAndLog "${FUNCNAME}(): error while copying Administration Interface Folder"
                hayErrores=1
        fi
        chown $OPENGNSYS_CLIENT_USER:$OPENGNSYS_CLIENT_USER $INSTALL_TARGET/client/interfaceAdm/CambiarAcceso
        chmod 700 $INSTALL_TARGET/client/interfaceAdm/CambiarAcceso

        return $hayErrores
}

####################################################################
### Funciones instalacion cliente opengnsys
####################################################################

function openGnsysCopyClientFiles()
{
        local hayErrores=0

        echoAndLog "${FUNCNAME}(): Copying OpenGnSys Client files."
        cp -ar $WORKDIR/opengnsys/client/shared/* $INSTALL_TARGET/client
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while copying client estructure"
                hayErrores=1
        fi
        find $INSTALL_TARGET/client -name .svn -type d -exec rm -fr {} \; 2>/dev/null
        
        echoAndLog "${FUNCNAME}(): Copying OpenGnSys Cloning Engine files."
        mkdir -p $INSTALL_TARGET/client/lib/engine/bin
        cp -ar $WORKDIR/opengnsys/client/engine/*.lib $INSTALL_TARGET/client/lib/engine/bin
        if [ $? -ne 0 ]; then
                errorAndLog "${FUNCNAME}(): error while copying engine files"
                hayErrores=1
        fi
        
        if [ $hayErrores -eq 0 ]; then
                echoAndLog "${FUNCNAME}(): client copy files success."
        else
                errorAndLog "${FUNCNAME}(): client copy files with errors"
        fi

        return $hayErrores
}




# Crear antiguo cliente initrd para OpenGnSys 0.10
function openGnsysOldClientCreate()
{
        local OSCODENAME

        local hayErrores=0

        # Cargar Kernel, Initrd y paquetes udeb para la distribución del servidor (o por defecto).
        OSCODENAME=$(lsb_release -cs 2>/dev/null)
        if [ "$OSDISTRIB" = "Ubuntu" -a -n "$OSCODENAME" ]; then
                echoAndLog "${FUNCNAME}(): Loading Kernel and Initrd files for $OSDISTRIB $OSCODENAME."
                $INSTALL_TARGET/bin/initrd-generator -t $INSTALL_TARGET/tftpboot -v $OSCODENAME 2>&1 | tee -a $LOG_FILE
                if [ $? -ne 0 ]; then
                        errorAndLog "${FUNCNAME}(): error while generating initrd OpenGnSys Admin Client"
                        hayErrores=1
                fi
                echoAndLog "${FUNCNAME}(): Loading udeb files for $OSDISTRIB $OSCODENAME."
                $INSTALL_TARGET/bin/upgrade-clients-udeb.sh $OSCODENAME 2>&1 | tee -a $LOG_FILE
                if [ $? -ne 0 ]; then
                        errorAndLog "${FUNCNAME}(): error while upgrading udeb files OpenGnSys Admin Client"
                        hayErrores=1
                fi
        else
                echoAndLog "${FUNCNAME}(): Loading default Kernel and Initrd files."
                $INSTALL_TARGET/bin/initrd-generator -t $INSTALL_TARGET/tftpboot 2>&1 | tee -a $LOG_FILE
                if [ $? -ne 0 ]; then
                        errorAndLog "${FUNCNAME}(): error while generating initrd OpenGnSys Admin Client"
                        hayErrores=1
                fi
                echoAndLog "${FUNCNAME}(): Loading default udeb files."
                $INSTALL_TARGET/bin/upgrade-clients-udeb.sh 2>&1 | tee -a $LOG_FILE
                if [ $? -ne 0 ]; then
                        errorAndLog "${FUNCNAME}(): error while upgrading udeb files OpenGnSys Admin Client"
                        hayErrores=1
                fi
        fi

        if [ $hayErrores -eq 0 ]; then
                echoAndLog "${FUNCNAME}(): Old client generation success."
        else
                errorAndLog "${FUNCNAME}(): Old client generation with errors"
        fi

        return $hayErrores
}


# Crear cliente OpenGnSys 1.0.1
function clientCreate()
{
        local DOWNLOADURL="http://www.opengnsys.es/downloads"
        local FILENAME=ogclient-1.0.2-natty-32bit-beta00-rev2046.iso
        local TARGETFILE=$INSTALL_TARGET/lib/$FILENAME
        local TMPDIR=/tmp/${FILENAME%.iso}

        echoAndLog "${FUNCNAME}(): Loading Client"
        # Descargar, montar imagen, copiar cliente ogclient y desmontar.
        wget $DOWNLOADURL/$FILENAME -O $TARGETFILE
        if [ ! -s $TARGETFILE ]; then
                errorAndLog "${FUNCNAME}(): Error loading OpenGnSys Client"
                return 1
        fi
        echoAndLog "${FUNCNAME}(): Copying Client files"
        mkdir -p $TMPDIR
        mount -o loop,ro $TARGETFILE $TMPDIR
        cp -vr $TMPDIR/ogclient $INSTALL_TARGET/tftpboot
        umount $TMPDIR
        rmdir $TMPDIR

        # Establecer los permisos.
        find -L $INSTALL_TARGET/tftpboot -type d -exec chmod 755 {} \;
        find -L $INSTALL_TARGET/tftpboot -type f -exec chmod 644 {} \;
        chown -R :$OPENGNSYS_CLIENT_USER $INSTALL_TARGET/tftpboot/ogclient
        chown -R $APACHE_RUN_USER:$APACHE_RUN_GROUP $INSTALL_TARGET/tftpboot/{menu.lst,pxelinux.cfg}
        echoAndLog "${FUNCNAME}(): Client generation success"
}


# Configuración básica de servicios de OpenGnSys
function openGnsysConfigure()
{
        echoAndLog "${FUNCNAME}(): Copying init files."
        cp -p $WORKDIR/opengnsys/admin/Sources/Services/opengnsys.init /etc/init.d/opengnsys
        cp -p $WORKDIR/opengnsys/admin/Sources/Services/opengnsys.default /etc/default/opengnsys
        cp -p $WORKDIR/opengnsys/admin/Sources/Services/ogAdmRepoAux /opt/opengnsys/sbin/
        update-rc.d opengnsys defaults
        echoAndLog "${FUNCNAME}(): Creating cron files."
        echo "* * * * *   root   [ -x $INSTALL_TARGET/bin/torrent-creator ] && $INSTALL_TARGET/bin/torrent-creator" > /etc/cron.d/torrentcreator
        echo "5 * * * *   root   [ -x $INSTALL_TARGET/bin/torrent-tracker ] && $INSTALL_TARGET/bin/torrent-tracker" > /etc/cron.d/torrenttracker
        echoAndLog "${FUNCNAME}(): Creating OpenGnSys config file in \"$INSTALL_TARGET/etc\"."
        perl -pi -e "s/SERVERIP/$SERVERIP/g; s/DBUSER/$OPENGNSYS_DB_USER/g; s/DBPASSWORD/$OPENGNSYS_DB_PASSWD/g; s/DATABASE/$OPENGNSYS_DATABASE/g" $INSTALL_TARGET/etc/ogAdmServer.cfg
        perl -pi -e "s/SERVERIP/$SERVERIP/g" $INSTALL_TARGET/etc/ogAdmRepo.cfg
        perl -pi -e "s/SERVERIP/$SERVERIP/g; s/DBUSER/$OPENGNSYS_DB_USER/g; s/DBPASSWORD/$OPENGNSYS_DB_PASSWD/g; s/DATABASE/$OPENGNSYS_DATABASE/g" $INSTALL_TARGET/etc/ogAdmAgent.cfg
        chown root:root $INSTALL_TARGET/etc/{ogAdmServer.cfg,ogAdmAgent.cfg}
        chmod 600 $INSTALL_TARGET/etc/{ogAdmServer.cfg,ogAdmAgent.cfg}
        echoAndLog "${FUNCNAME}(): Creating Web Console config file"
        OPENGNSYS_CONSOLEURL="http://$SERVERIP/opengnsys"
        perl -pi -e "s/SERVERIP/$SERVERIP/g; s/DBUSER/$OPENGNSYS_DB_USER/g; s/DBPASSWORD/$OPENGNSYS_DB_PASSWD/g; s/DATABASE/$OPENGNSYS_DATABASE/g; s/OPENGNSYSURL/${OPENGNSYS_CONSOLEURL//\//\\/}/g" $INSTALL_TARGET/www/controlacceso.php
        chown $APACHE_RUN_USER:$APACHE_RUN_GROUP $INSTALL_TARGET/www/controlacceso.php
        chmod 600 $INSTALL_TARGET/www/controlacceso.php
        sed -e "s/SERVERIP/$SERVERIP/g" -e "s/OPENGNSYSURL/${OPENGNSYS_CONSOLEURL//\//\\/}/g" $WORKDIR/opengnsys/admin/Sources/Clients/ogAdmClient/ogAdmClient.cfg > $INSTALL_TARGET/client/etc/ogAdmClient.cfg
        echoAndLog "${FUNCNAME}(): Starting OpenGnSys services."
        /etc/init.d/opengnsys start
}


#####################################################################
#######  Función de resumen informativo de la instalación
#####################################################################

function installationSummary()
{
        # Crear fichero de versión y revisión, si no existe.
        local VERSIONFILE="$INSTALL_TARGET/doc/VERSION.txt"
        local REVISION=$(LANG=C svn info $SVN_URL|awk '/Rev:/ {print "r"$4}')
        [ -f $VERSIONFILE ] || echo "OpenGnSys" >$VERSIONFILE
        perl -pi -e "s/($| r[0-9]*)/ $REVISION/" $VERSIONFILE

        # Mostrar información.
        echo
        echoAndLog "OpenGnSys Installation Summary"
        echo       "=============================="
        echoAndLog "Project version:                  $(cat $VERSIONFILE 2>/dev/null)"
        echoAndLog "Installation directory:           $INSTALL_TARGET"
        echoAndLog "Repository directory:             $INSTALL_TARGET/images"
        echoAndLog "DHCP configuration file:          $DHCPCONFIG"
        echoAndLog "TFTP configuration directory:     /var/lib/tftpboot"
        echoAndLog "Samba configuration directory:    /etc/samba"
        echoAndLog "Web Console URL:                  $OPENGNSYS_CONSOLEURL"
        echoAndLog "Web Console admin user:           $OPENGNSYS_DB_USER"
        echoAndLog "Web Console admin password:       $OPENGNSYS_DB_PASSWD"
        echo
        echoAndLog "Post-Installation Instructions:"
        echo       "==============================="
        echoAndLog "Review or edit all configuration files."
        echoAndLog "Insert DHCP configuration data and restart service."
        echoAndLog "Log-in as Web Console admin user."
        echoAndLog " - Review default Organization data and assign default user."
        echoAndLog "Log-in as Web Console organization user."
        echoAndLog " - Insert OpenGnSys data (rooms, computers, menus, etc)."
echo
}



#####################################################################
####### Proceso de instalación de OpenGnSys
#####################################################################

echoAndLog "OpenGnSys installation begins at $(date)"
pushd $WORKDIR

# Comprobar si hay conexión y detectar parámetros de red por defecto.
checkNetworkConnection
if [ $? -ne 0 ]; then
        errorAndLog "Error connecting to server. Causes:"
        errorAndLog " - Network is unreachable, review devices parameters."
        errorAndLog " - You are inside a private network, configure the proxy service."
        errorAndLog " - Server is temporally down, try agian later."
        exit 1
fi
getNetworkSettings
if [ $? -ne 0 ]; then
        errorAndLog "Error reading default network settings."
        exit 1
fi

# Detener servicios de OpenGnSys, si están activos previamente.
[ -f /etc/init.d/opengnsys ] && /etc/init.d/opengnsys stop

# Actualizar repositorios
apt-get update

# Instalación de dependencias (paquetes de sistema operativo).
declare -a notinstalled
checkDependencies DEPENDENCIES notinstalled
if [ $? -ne 0 ]; then
        installDependencies notinstalled
        if [ $? -ne 0 ]; then
                echoAndLog "Error while installing some dependeces, please verify your server installation before continue"
                exit 1
        fi
fi

# Arbol de directorios de OpenGnSys.
createDirs ${INSTALL_TARGET}
if [ $? -ne 0 ]; then
        errorAndLog "Error while creating directory paths!"
        exit 1
fi

# Si es necesario, descarga el repositorio de código en directorio temporal
if [ $USESVN -eq 1 ]; then
        svnExportCode $SVN_URL
        if [ $? -ne 0 ]; then
                errorAndLog "Error while getting code from svn"
                exit 1
        fi
else
        ln -fs "$(dirname $PROGRAMDIR)" opengnsys
fi

# Compilar código fuente de los servicios de OpenGnSys.
servicesCompilation
if [ $? -ne 0 ]; then
        errorAndLog "Error while compiling OpenGnsys services"
        exit 1
fi

# Copiar carpeta Interface entre administración y motor de clonación.
copyInterfaceAdm
if [ $? -ne 0 ]; then
        errorAndLog "Error while copying Administration Interface"
        exit 1
fi

# Configurando tftp
tftpConfigure

# Configuración NFS
#### (descomentar las siguientes líneas para exportar servicios por NFS)
#nfsConfigure
#if [ $? -ne 0 ]; then
#       errorAndLog "Error while configuring nfs server!"
#       exit 1
#fi

# Configuración Samba
smbConfigure
if [ $? -ne 0 ]; then
        errorAndLog "Error while configuring Samba server!"
        exit 1
fi

# Configuración ejemplo DHCP
dhcpConfigure
if [ $? -ne 0 ]; then
        errorAndLog "Error while copying your dhcp server files!"
        exit 1
fi

# Copiar ficheros de servicios OpenGnSys Server.
openGnsysCopyServerFiles ${INSTALL_TARGET}
if [ $? -ne 0 ]; then
        errorAndLog "Error while copying the server files!"
        exit 1
fi

# Instalar Base de datos de OpenGnSys Admin.
isInArray notinstalled "mysql-server"
if [ $? -eq 0 ]; then
        mysqlSetRootPassword ${MYSQL_ROOT_PASSWORD}
else
        mysqlGetRootPassword
fi

mysqlTestConnection ${MYSQL_ROOT_PASSWORD}
if [ $? -ne 0 ]; then
        errorAndLog "Error while connection to mysql"
        exit 1
fi
mysqlDbExists ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE}
if [ $? -ne 0 ]; then
        echoAndLog "Creating Web Console database"
        mysqlCreateDb ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE}
        if [ $? -ne 0 ]; then
                errorAndLog "Error while creating Web Console database"
                exit 1
        fi
else
        echoAndLog "Web Console database exists, ommiting creation"
fi

mysqlCheckUserExists ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DB_USER}
if [ $? -ne 0 ]; then
        echoAndLog "Creating user in database"
        mysqlCreateAdminUserToDb ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE} ${OPENGNSYS_DB_USER} "${OPENGNSYS_DB_PASSWD}"
        if [ $? -ne 0 ]; then
                errorAndLog "Error while creating database user"
                exit 1
        fi

fi

mysqlCheckDbIsEmpty ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE}
if [ $? -eq 0 ]; then
        echoAndLog "Creating tables..."
        if [ -f $WORKDIR/$OPENGNSYS_DB_CREATION_FILE ]; then
                mysqlImportSqlFileToDb ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE} $WORKDIR/$OPENGNSYS_DB_CREATION_FILE
        else
                errorAndLog "Unable to locate $WORKDIR/$OPENGNSYS_DB_CREATION_FILE!!"
                exit 1
        fi
else
        # Si existe fichero ogBDAdmin-VersLocal-VersRepo.sql; aplicar cambios.
        INSTVERSION=$(awk '{print $2}' $INSTALL_TARGET/doc/VERSION.txt)
        REPOVERSION=$(awk '{print $2}' $WORKDIR/opengnsys/doc/VERSION.txt)
        OPENGNSYS_DB_UPDATE_FILE="opengnsys/admin/Database/$OPENGNSYS_DATABASE-$INSTVERSION-$REPOVERSION.sql"
        if [ -f $WORKDIR/$OPENGNSYS_DB_UPDATE_FILE ]; then
                echoAndLog "Updating tables from version $INSTVERSION to $REPOVERSION"
                mysqlImportSqlFileToDb ${MYSQL_ROOT_PASSWORD} ${OPENGNSYS_DATABASE} $WORKDIR/$OPENGNSYS_DB_UPDATE_FILE
        else
                echoAndLog "Database unchanged."
        fi
fi

# copiando paqinas web
installWebFiles
# Generar páqinas web de documentación de la API
makeDoxygenFiles

# creando configuracion de apache2
openGnsysInstallWebConsoleApacheConf $INSTALL_TARGET /etc/apache2
if [ $? -ne 0 ]; then
        errorAndLog "Error configuring Apache for OpenGnSYS Admin"
        exit 1
fi

popd


# Crear la estructura de los accesos al servidor desde el cliente (shared)
openGnsysCopyClientFiles
if [ $? -ne 0 ]; then
        errorAndLog "Error creating client structure"
fi

# Crear la estructura del antiguo cliente initrd de OpenGnSys 0.10
#### (descomentar las siguientes líneas para generar cliente initrd)
#openGnsysOldClientCreate
#if [ $? -ne 0 ]; then
#       errorAndLog "Warning: cannot create old initrd client"
#fi

# Crear la estructura del cliente de OpenGnSys 1.0
clientCreate
if [ $? -ne 0 ]; then
        errorAndLog "Error creating client"
        exit 1
fi

# Configuración de servicios de OpenGnSys
openGnsysConfigure

# Mostrar sumario de la instalación e instrucciones de post-instalación.
installationSummary

#rm -rf $WORKDIR
echoAndLog "OpenGnSys installation finished at $(date)"