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#!/bin/bash -ex
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[ "$(whoami)" = "root" ] || exec sudo $0 $@
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[ "$(rpm -E %_arch)" = "x86_64" ] && exec setarch i686 $0 $@
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cd "$(dirname "$0")"
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NAME="centos32"
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VERSION="$1" # E.g: '5'
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IMAGE="${NAME}:${VERSION}"
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INSTALLROOT="/dev/shm/${IMAGE}"
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DIR="el${VERSION}"
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REPO="centos-${VERSION}"
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# Installation minimale de la distribution
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rm -rf "${INSTALLROOT}"
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install -m 644 "${DIR}/${REPO}.repo" "/etc/yum.repos.d"
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yum install --disablerepo="*" --enablerepo="${REPO}*" --nogpgcheck --releasever="${VERSION}" -y --installroot "${INSTALLROOT}" libselinux yum yum-plugin-ovl
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rm -f "/etc/yum.repos.d/${REPO}.repo"
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touch "${INSTALLROOT}/etc/fstab" "${INSTALLROOT}/etc/mtab"
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# Activation des dépôts YUM de l'atelier DEPL-IT (remplace les dépôts Internet)
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rm -f "${INSTALLROOT}/etc/yum.repos.d/"*".repo"
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install -m 644 "${DIR}/${REPO}.repo" "${INSTALLROOT}/etc/yum.repos.d"
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install -m 644 "/etc/resolv.conf" "${INSTALLROOT}/etc/resolv.conf"
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rm -f "${INSTALLROOT}/etc/group" "${INSTALLROOT}/etc/passwd" "${INSTALLROOT}/etc/pam.d/system-auth" "${INSTALLROOT}/usr/share/info/dir"
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# Ré-installation de la distribution en utilisant le "yum" intégré
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rm -rf "${INSTALLROOT}/var/lib/rpm/"*
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install -m 644 "${DIR}/"{epel,repoforge}*".repo" "${INSTALLROOT}/etc/yum.repos.d"
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cp -a "/dev/urandom" "${INSTALLROOT}/dev/urandom"
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chroot "${INSTALLROOT}" yum install --nogpgcheck -y $(<${DIR}/packages.base)
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find "${INSTALLROOT}" -name "*.rpmnew" -delete
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# Création de l'image Tar
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tar -C "${INSTALLROOT}" -c . >"${IMAGE}.tar"
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rm -rf "${INSTALLROOT}"
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# Création de l'image Docker
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if [ "$(docker images -q "${IMAGE}")" != "" ]; then
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docker rmi -f "${IMAGE}"
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fi
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docker import "${IMAGE}.tar" "${IMAGE}"
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# Test de l'image
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docker run "${IMAGE}" yum repolist
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exit 0
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