Subversion Repositories ALCASAR

#!/bin/bash

#

# Authors: Mageia Team

# Update for ALCASAR : Hamza ESSAYEGH (Querdos) - Rexy - Laurent Roux

##

# Usage: $0 ARGS

#     --iso-file, -i      Mageia-xxx-xxxxxx-xxx.iso (mandatory)

#     --config-file, -c   Minimal rpm list (mandatory)

#     --lang, -l          Language for installation (optional)

#                         Supported languages: fr;en

#

# Colors parameters

RED='\033[0;31m'

GREEN='\033[0;32m'

YELLOW='\033[0;33m'

NC='\033[0m'

# Check if a given option is valid an set a global var with the option value

function optionIsValid() {

    # Retrieving option and its value

    local option=$1

    local value=$2

    # Available options (short and long)

    local configFileOption="--config-file -c"

    local isoFileOption="--iso-file -i"

    local langOption="--lang -l"

    # Config file option ?

    for opt in ${configFileOption}; do

        if [[ ${opt} = ${option} ]]; then

            configFile=${value}

            return 0

        fi

    done

    # Iso file option ?

    for opt in ${isoFileOption}; do

        if [[ ${opt} = ${option} ]]; then

            isoFile=${value}

            return 0

        fi

    done

    # Language option ?

    for opt in ${langOption}; do

        if [[ ${opt} = ${option} ]]; then

            lang="-${value}"

            return 0

        fi

    done

    # Unknown option

    echo "Unknown option '${option}'. Aborting." && exit 1

}

# Check if needed packages are installed

function requiredPackagesInstalled() {

    # Checking mkisofs

    command -v genisoimage > /dev/null 2>&1 || \

        { echo "The package genisoimage is not installed." && \

            genisoimageNotInstalled=1; }

    # Checking genhdlist2

    command -v genhdlist2 > /dev/null 2>&1 || \

        { echo "The package genhdlist2 is not installed." && \

            genhdlist2NotInstalled=1; }

    # Checking gendistrib

    command -v gendistrib > /dev/null 2>&1 || \

        { echo "The package gendistrib is not installed (rpmtools)." && \

            gendistribNotInstalled=1; }

    # If one of the following, aborting

    [[ ${genisoimageNotInstalled} -eq 1 ]] || \

        [[ ${genhdlist2NotInstalled} -eq 1 ]] || \

        [[ ${gendistribNotInstalled} -eq 1 ]] && exit 1

}

# Check if a given language is supported by this script or not

function languageIsSupported() {

    local lang=$1

    local supportedLang="fr en"

    # Comparing with available langs

    for supLang in ${supportedLang}; do

        if [[ ${supLang} = ${lang} ]]; then

            return 0

        fi

    done

    # Language is not supported

    echo "Language '${lang}' is not supported. Aborting." && exit 1

}

# "Purify" the rpm name -> for the plop.idx file ("Mageia-5.1-x86_64 rpmname" for example)

function purifyRpmName() {

    local str=$1

    local arch=$2

    local len=${#str}

    p=`echo ${str} | grep -oP ".*\.mga6"`

    echo "Mageia-6-${arch} ${p}"

}

# Checking arguments (rpm_list and iso file and eventually lang)

[[ ($# -lt 4) || ($# -eq 5) || ($# -gt 6) ]] && echo \

"Usage: $0 ARGS

    --iso-file, -i      Mageia-xxx-xxxxxx-xxx.iso (mandatory)

    --config-file, -c   Minimal rpm list (mandatory)

    --lang, -l          Language for installation (optional)

                        Supported languages: fr;en

" && exit 1

# Checking options

optionIsValid $1 $2 && optionIsValid $3 $4

# Checking if other options have been specified

[[ $# -eq 6 ]] && optionIsValid $5 $6

# Checking that mandatory option have been specified

[[ -z ${isoFile} ]] && { echo "Iso file option is mandatory. Aborting." && exit 1; }

[[ -z ${configFile} ]] && { echo "Configuration file option is mandatory. Aborting." && exit 1; }

# Checking validity of options

[[ -f ${configFile} ]] || { echo "Invalid config file. Aborting." && exit 1; }

[[ -f ${isoFile} ]] || { echo "Invalid iso file. Aborting." && exit 1; }

# Checking required packages

requiredPackagesInstalled

# Actual directory

actualDir=$(pwd)

# Retreiving elements in rpm_list

filesInRpm=$(cat ${configFile})

# official and new dirs

mageiaNewDir=/tmp/mageia_new

mageiaOfficialDir=/tmp/mageia_official

# Checking that executed as root

[[ $(whoami) != "root" ]] && \

    { echo "This script must be executed with root privileges. Aborting." && exit 1; }

# Mounting the image

echo "Mounting the image..."

[[ ! -d ${mageiaOfficialDir} ]] && mkdir ${mageiaOfficialDir}

mount -o ro,loop ${isoFile} ${mageiaOfficialDir} || { echo "Failed mounting '${isoFile}'. Aborting." && exit 1; }

# Checking architecture

[[ -d ${mageiaOfficialDir}/x86_64 ]] && arch=x86_64 || arch=i586

# Creating new directory that will contains the "cleared" iso image

[[ ! -d ${mageiaNewDir} ]] && mkdir ${mageiaNewDir}

# Copying main files except core and nonfree directories

echo "Extracting base image..."

cd /tmp/mageia_official && \

    tar cf - --exclude=${arch}/media . | (cd /tmp/mageia_new && tar xf - ) && cd "${actualDir}"

# Creating new directories core and nonfree and dir for alcasar stufs

mkdir -p ${mageiaNewDir}/${arch}/{media/{core,nonfree},install/alcasar}

# Copying configuration files

echo "Copying initial configuration files..."

cp -f ${mageiaOfficialDir}"/isolinux/isolinux.bin" ${mageiaNewDir}/isolinux/isolinux.bin   

cp ${actualDir}/config/alcasar.tar.gz ${mageiaNewDir}/${arch}/install/alcasar

###   only if we want to change the normal install procedure ###

#cp ${actualDir}/config/first_login ${mageiaNewDir}/${arch}/install/alcasar

#cp ${actualDir}/config/auto_inst-${arch}${lang}.cfg.pl ${mageiaNewDir}/${arch}/install/alcasar/auto_inst-${arch}.cfg.pl

#cp -f ${actualDir}"/config/isolinux-x86_64.cfg" ${mageiaNewDir}/isolinux/isolinux.cfg

# alcasar needed rpms

if [ -f ${actualDir}/rpms-${arch}.tar.gz ]; then

    echo -e "${GREEN}RPMs archive found, using it${NC}"

    cp ${actualDir}/rpms-${arch}.tar.gz ${mageiaNewDir}/${arch}/install/alcasar

else

    echo -e "${RED}config/rpms-x86_64.tar.gz not found, skipping${NC}"

fi

# Retrieving core and nonfree dirs (official)

coreDir=${mageiaOfficialDir}/${arch}/media/core

nonFreeDir=${mageiaOfficialDir}/${arch}/media/nonfree

# Retrieving core and nonfree dirs (new)

coreDirNew=${mageiaNewDir}/${arch}/media/core/

nonFreeDirNew=${mageiaNewDir}/${arch}/media/nonfree

plopFilePath=${mageiaNewDir}/${arch}/media/plop.idx

# Initializing counts

countCore=0

countNonFree=0

# Creating the RPM list in core and nonfree and clearing the plop.idx file

echo "Comparing RPMS..."

> ${plopFilePath}

# Selecting rpm

for rpm in ${filesInRpm}; do

	# Retreiving output of ls in directories

	fileInCore=$(ls ${coreDir} | grep "^${rpm}")

	fileInNonFree=$(ls ${nonFreeDir} | grep "^${rpm}")

	# If present in core, copying in core_new

	if [[ ! -z ${fileInCore} ]]; then

		# Moving RPM

		cp "${coreDir}/${fileInCore}" ${coreDirNew}

		countCore=$(expr ${countCore} + 1)

    # Updating the plop.idx

    purifyRpmName ${rpm} ${arch} >> ${plopFilePath}

  # If present in nonfree, copying in nonfree_new

	elif [[ ! -z ${fileInNonFree} ]]; then

		# Copying RPM

		cp  "${nonFreeDir}/${fileInNonFree}" ${nonFreeDirNew}

		countNonFree=$(expr ${countNonFree} + 1)

    # Updating the plop.idx

    purifyRpmName ${rpm} ${arch} >> ${plopFilePath}

	fi

done

# Sorting the plop file alphabetically

cat ${plopFilePath} | sort > /tmp/tmpFileMageia && mv /tmp/tmpFileMageia ${plopFilePath}

# Informations

echo "${countCore} files kept from core"

echo "${countNonFree} files kept from nonfree"

# Generating media info for core

echo "Generating media_info for core..."

genhdlist2 ${coreDirNew} --allow-empty-media --quiet

echo "Generating media_info for nonfree..."

genhdlist2 ${nonFreeDirNew} --allow-empty-media --quiet

# Puting pubkeys in media_info

cp ${coreDir}/media_info/pubkey ${coreDirNew}/media_info/

cp ${nonFreeDir}/media_info/pubkey ${nonFreeDirNew}/media_info/

# Retrieving media.cfg & compssUsers.pl depending on the arch

mkdir ${mageiaNewDir}/${arch}/media/media_info

cp ${mageiaOfficialDir}/${arch}/media/media_info/compssUsers.pl ${mageiaNewDir}/${arch}/media/media_info/compssUsers.pl

cp ${mageiaOfficialDir}/${arch}/media/media_info/media.cfg ${mageiaNewDir}/${arch}/media/media_info/media.cfg

# Generating distr

echo "Generating mirror tree..."

gendistrib -s ${mageiaNewDir}/${arch}

# Creating the new iso file

echo "Creating the isofile..."

newIsoName=Mageia-6-${arch}${lang}-Alcasar.iso

cd ${mageiaNewDir} && genisoimage -quiet -o ${actualDir}/${newIsoName} \

    -b isolinux/isolinux.bin \

    -c boot.catalog \

    -no-emul-boot -boot-load-size 4 \

    -boot-info-table -J -R -V "Mageia-6 Alcasar (${arch})" .

# Unmounting

echo "Umounting..."

umount ${mageiaOfficialDir} && rmdir ${mageiaOfficialDir}

# Removing temporary dir

rm -rf ${mageiaNewDir}

# Setting same permissions as the initial image

cd ${actualDir}

chmod --reference=${isoFile} ${newIsoName}

chown --reference=${isoFile} ${newIsoName}

# Finished

echo "Done."