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lxc-debian: added support for package installation
- added --mirror, --security-mirror and --package parameters - generate source.list - install packages into final lxc instance Signed-off-by: Alexander Dreweke <alexander@dreweke.net> Acked-by: Stéphane Graber <stgraber@ubuntu.com>
This commit is contained in:
Alexander Dreweke
Stéphane Graber
parent
b3d3f3c661
commit
177f2cd2c2
@ -34,6 +34,7 @@ done
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export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
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MIRROR=${MIRROR:-http://cdn.debian.net/debian}
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SECURITY_MIRROR=${SECURITY_MIRROR:-http://cdn.debian.net/debian-security}
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LOCALSTATEDIR="@LOCALSTATEDIR@"
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LXC_TEMPLATE_CONFIG="@LXCTEMPLATECONFIG@"
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@ -154,6 +155,34 @@ EOF
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return 0
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}
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write_sourceslist()
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{
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local rootfs="$1"; shift
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local release="$1"; shift
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local arch="$1"; shift
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local prefix="deb"
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if [ -n "${arch}" ]; then
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prefix="deb [arch=${arch}]"
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fi
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cat >> "${rootfs}/etc/apt/sources.list" << EOF
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${prefix} $MIRROR ${release} main contrib non-free
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${prefix} $SECURITY_MIRROR ${release}/update main contrib non-free
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EOF
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}
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install_packages()
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{
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local rootfs="$1"; shift
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local packages="$*"
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chroot ${rootfs} apt-get update
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if [ -n "${packages}" ]; then
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chroot ${rootfs} apt-get install --force-yes -y --no-install-recommends ${packages}
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fi
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}
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cleanup()
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{
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rm -rf $cache/partial-$release-$arch
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@ -302,6 +331,46 @@ EOF
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return 0
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}
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post_process()
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{
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local rootfs="$1"; shift
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local release="$1"; shift
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local arch="$1"; shift
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local hostarch="$1"; shift
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local packages="$*"
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# Disable service startup
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cat > ${rootfs}/usr/sbin/policy-rc.d << EOF
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#!/bin/sh
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exit 101
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EOF
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chmod +x ${rootfs}/usr/sbin/policy-rc.d
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# If the container isn't running a native architecture, setup multiarch
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if [ "${arch}" != "${hostarch}" ]; then
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mkdir -p ${rootfs}/etc/dpkg/dpkg.cfg.d
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echo "foreign-architecture ${hostarch}" > ${rootfs}/etc/dpkg/dpkg.cfg.d/lxc-multiarch
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fi
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# Write a new sources.list containing both native and multiarch entries
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> ${rootfs}/etc/apt/sources.list
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if [ "${arch}" = "${hostarch}" ]; then
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write_sourceslist ${rootfs} ${release} ${arch}
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else
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write_sourceslist ${rootfs} ${release}
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fi
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# Install Packages in container
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if [ -n "${packages}" ]; then
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local pack_list="`echo ${packages} | sed 's/,/ /g'`"
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echo "Installing packages: ${pack_list}"
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install_packages ${rootfs} ${pack_list}
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fi
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# Re-enable service startup
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rm ${rootfs}/usr/sbin/policy-rc.d
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}
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clean()
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{
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cache="$LOCALSTATEDIR/cache/lxc/debian"
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@ -328,14 +397,17 @@ clean()
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usage()
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{
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cat <<EOF
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$1 -h|--help -p|--path=<path> [-a|--arch] [-r|--release=<release>] [-c|--clean]
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release: the debian release (e.g. wheezy): defaults to current stable
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$1 -h|--help -p|--path=<path> [-a|--arch] [-c|--clean] [--mirror=<mirror>] [-r|--release=<release>] [--security-mirror=<security mirror>]
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arch: the container architecture (e.g. amd64): defaults to host arch
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release: the debian release (e.g. wheezy): defaults to current stable
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mirror: debain mirror to use during installation
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security mirror: debain mirror to use for security updates
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packages: list of packages to add comma separated
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EOF
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return 0
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}
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options=$(getopt -o hp:n:a:r:c -l help,rootfs:,path:,name:,arch:,release:,clean -- "$@")
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options=$(getopt -o hp:n:a:r:c -l arch:,clean,help,mirror:,name:,packages:,path:,release:,rootfs:,security-mirror: -- "$@")
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if [ $? -ne 0 ]; then
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usage $(basename $0)
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exit 1
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@ -359,15 +431,19 @@ hostarch=$arch
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while true
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do
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case "$1" in
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-h|--help) usage $0 && exit 1;;
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-p|--path) path=$2; shift 2;;
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--rootfs) rootfs=$2; shift 2;;
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-a|--arch) arch=$2; shift 2;;
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-r|--release) release=$2; shift 2;;
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-n|--name) name=$2; shift 2;;
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-c|--clean) clean=$2; shift 1;;
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--) shift 1; break ;;
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*) break ;;
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-h|--help) usage $0 && exit 1;;
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--) shift 1; break ;;
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-a|--arch) arch=$2; shift 2;;
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-c|--clean) clean=$2; shift 1;;
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--mirror) MIRROR=$2; shift 2;;
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-n|--name) name=$2; shift 2;;
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--packages) packages=$2; shift 2;;
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-p|--path) path=$2; shift 2;;
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-r|--release) release=$2; shift 2;;
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--rootfs) rootfs=$2; shift 2;;
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--security-mirror) SECURITY_MIRROR=$2; shift 2;;
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*) break ;;
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esac
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done
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@ -434,7 +510,6 @@ if [ -z "$rootfs" ]; then
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fi
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fi
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install_debian $rootfs $release $arch
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if [ $? -ne 0 ]; then
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echo "failed to install debian"
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@ -453,6 +528,8 @@ if [ $? -ne 0 ]; then
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exit 1
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fi
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post_process ${rootfs} ${release} ${arch} ${hostarch} ${packages}
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if [ ! -z $clean ]; then
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clean || exit 1
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exit 0
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