mirror of
https://github.com/lxc/lxc-templates.git
synced 2024-12-23 06:50:13 +00:00
fe50a94b2b
We add support for the newly released openSUSE Leap 15. Moreover we fix some indentation issues and also switch the default distro to Leap 15 since 42.1 has been EOL'd long time ago. Signed-off-by: Markos Chandras <mchandras@suse.de>
565 lines
17 KiB
Bash
565 lines
17 KiB
Bash
#!/bin/bash
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#
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# template script for generating OpenSUSE container for LXC
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#
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#
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# lxc: linux Container library
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# Authors:
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# Daniel Lezcano <daniel.lezcano@free.fr>
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# Frederic Crozat <fcrozat@suse.com>
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# Michael H. Warfield <mhw@WittsEnd.com>
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# Johannes Kastl <mail@ojkastl.de>
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# Thomas Lamprecht <t.lamprecht@proxmox.com>
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Detect use under userns (unsupported)
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for arg in "$@"; do
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[ "$arg" = "--" ] && break
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if [ "$arg" = "--mapped-uid" -o "$arg" = "--mapped-gid" ]; then
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echo "This template can't be used for unprivileged containers." 1>&2
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echo "You may want to try the \"download\" template instead." 1>&2
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exit 1
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fi
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done
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# Make sure the usual locations are in PATH
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export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
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if [ -x /usr/bin/obs-build ]; then
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BUILD=/usr/bin/obs-build
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export BUILD_DIR=/usr/lib/obs-build
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else
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BUILD=/usr/bin/build
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export BUILD_DIR=/usr/lib/build
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fi
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configure_opensuse()
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{
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rootfs=$1
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hostname=$2
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# set first network adapter as dhcp. This is the most common config.
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cat <<EOF > $rootfs/etc/sysconfig/network/ifcfg-eth0
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STARTMODE='auto'
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BOOTPROTO='dhcp'
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EOF
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# create empty fstab
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touch $rootfs/etc/fstab
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# set the hostname
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cat <<EOF > $rootfs/etc/HOSTNAME
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$hostname
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EOF
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# ensure /etc/hostname is available too
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ln -s -f HOSTNAME $rootfs/etc/hostname
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# do not use hostname from HOSTNAME variable
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cat <<EOF >> $rootfs/etc/sysconfig/cron
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unset HOSTNAME
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EOF
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# set minimal hosts
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cat <<EOF > $rootfs/etc/hosts
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127.0.0.1 localhost $hostname
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EOF
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# disable yast->bootloader in container
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cat <<EOF > $rootfs/etc/sysconfig/bootloader
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LOADER_TYPE=none
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LOADER_LOCATION=none
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EOF
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# set /dev/console as securetty
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cat << EOF >> $rootfs/etc/securetty
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console
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EOF
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cat <<EOF >> $rootfs/etc/sysconfig/boot
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# disable root fsck
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ROOTFS_FSCK="0"
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ROOTFS_BLKDEV="/dev/null"
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EOF
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# remove pointless services in a container
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ln -s /dev/null $rootfs/etc/systemd/system/proc-sys-fs-binfmt_misc.automount
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ln -s /dev/null $rootfs/etc/systemd/system/console-shell.service
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ln -s /dev/null $rootfs/etc/systemd/system/systemd-vconsole-setup.service
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# enable getty and console services
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sed -e 's/ConditionPathExists=.*//' $rootfs/usr/lib/systemd/system/getty@.service > $rootfs/etc/systemd/system/getty@.service
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ln -s getty@.service $rootfs/etc/systemd/system/getty@tty1.service
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mkdir -p $rootfs/etc/systemd/system/getty.target.wants/
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ln -s ../getty@.service $rootfs/etc/systemd/system/getty.target.wants/getty@console.service
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ln -s -f ../getty@.service $rootfs/etc/systemd/system/getty.target.wants/getty@tty1.service
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ln -s ../getty@.service $rootfs/etc/systemd/system/getty.target.wants/getty@tty2.service
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ln -s ../getty@.service $rootfs/etc/systemd/system/getty.target.wants/getty@tty3.service
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ln -s ../getty@.service $rootfs/etc/systemd/system/getty.target.wants/getty@tty4.service
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touch $rootfs/etc/sysconfig/kernel
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echo "Please change root-password !"
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return 0
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}
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download_opensuse()
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{
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cache=$1
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arch=$2
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if [ ! -x ${BUILD} ]; then
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echo "Could not create openSUSE template :"
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echo "you need to install \"build\" package"
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return 1
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fi
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# check the mini opensuse was not already downloaded
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mkdir -p "$cache/partial-$arch"
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if [ $? -ne 0 ]; then
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echo "Failed to create '$cache/partial-$arch' directory"
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return 1
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fi
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# download a mini opensuse into a cache
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echo "Downloading opensuse minimal ..."
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mkdir -p "$cache/partial-$arch-packages"
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oss_repo_url="http://download.opensuse.org/distribution/$DISTRO/repo/oss/"
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if [[ $DISTRO == "tumbleweed" ]]; then
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oss_repo_url="http://download.opensuse.org/$DISTRO/repo/oss/"
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fi
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zypper --quiet --root $cache/partial-$arch-packages --non-interactive ar "$oss_repo_url" repo-oss || return 1
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update_repo_url="http://download.opensuse.org/update/$DISTRO/repo/oss"
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# Leap update repos were rearranged
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if [[ $DISTRO == "leap/4"* ]] || [[ $DISTRO == "leap/1"* ]]; then
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update_repo_url="http://download.opensuse.org/update/$DISTRO/oss/"
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fi
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# tumbleweed has no update repo
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if [[ $DISTRO != "tumbleweed" ]]; then
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zypper --quiet --root $cache/partial-$arch-packages --non-interactive ar "$update_repo_url" update || return 1
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fi
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zypper --quiet --root $cache/partial-$arch-packages --non-interactive --gpg-auto-import-keys update || return 1
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zypper --root $cache/partial-$arch-packages --non-interactive in --auto-agree-with-licenses --download-only zypper lxc patterns-openSUSE-base bash iputils sed tar rsyslog || return 1
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cat > $cache/partial-$arch-packages/opensuse.conf << EOF
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Preinstall: aaa_base bash coreutils diffutils
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Preinstall: filesystem fillup glibc grep insserv-compat perl-base
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Preinstall: libbz2-1 pam
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Preinstall: permissions rpm sed tar libz1 libselinux1
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Preinstall: liblzma5 libcap2 libacl1 libattr1
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Preinstall: libpopt0 libelf1
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Preinstall: libpcre1
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RunScripts: aaa_base
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Support: zypper
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Support: patterns-openSUSE-base
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Support: lxc
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Support: ncurses-utils
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Support: iputils
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Support: udev
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Support: netcfg
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Support: hwinfo insserv-compat module-init-tools openSUSE-release openssh
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Support: pwdutils sysconfig
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Ignore: rpm:suse-build-key,build-key
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Ignore: systemd:systemd-presets-branding
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EOF
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if [ $DISTRO = "13.2" ]
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then
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echo "Support: python3-base" >> $cache/partial-$arch-packages/opensuse.conf
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fi
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if [[ $DISTRO == "tumbleweed" ]]; then
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echo "Preinstall: liblua5_3 libncurses6 libreadline7" >> $cache/partial-$arch-packages/opensuse.conf
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else
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echo "Preinstall: liblua5_1 libncurses5 libreadline6" >> $cache/partial-$arch-packages/opensuse.conf
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echo "Support: rpcbind" >> $cache/partial-$arch-packages/opensuse.conf
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fi
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# dhcpcd is not in the default repos since Leap 42.1, neither in tumbleweed
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if [[ $DISTRO != "leap/4"* ]] && [[ $DISTRO != "leap/1"* ]] && [[ $DISTRO != "tumbleweed" ]]; then
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echo "Support: dhcpcd" >> $cache/partial-$arch-packages/opensuse.conf
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fi
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# Leap and tumbleweed doesn't seem to have iproute2 utils installed
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if [[ $DISTRO == "leap/4"* ]] || [[ $DISTRO == "leap/1"* ]] || [[ $DISTRO == "tumbleweed" ]]; then
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echo "Support: net-tools iproute2" >> $cache/partial-$arch-packages/opensuse.conf
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fi
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if [ "$arch" = "i686" ]; then
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mkdir -p $cache/partial-$arch-packages/var/cache/zypp/packages/repo-oss/suse/i686/
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for i in "$cache/partial-$arch-packages/var/cache/zypp/packages/repo-oss/suse/i586/*" ; do
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ln -s $i $cache/partial-$arch-packages/var/cache/zypp/packages/repo-oss/suse/i686/
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done
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mkdir -p $cache/partial-$arch-packages/var/cache/zypp/packages/update/i686
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for i in "$cache/partial-$arch-packages/var/cache/zypp/packages/update/i586/*" ; do
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ln -s $i $cache/partial-$arch-packages/var/cache/zypp/packages/update/i686/
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done
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fi
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# openSUSE 13.2 has no noarch directory in update
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[ -d $cache/partial-$arch-packages/var/cache/zypp/packages/update/noarch ] || mkdir -p $cache/partial-$arch-packages/var/cache/zypp/packages/update/noarch
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repos=("--repository" "$cache/partial-$arch-packages/var/cache/zypp/packages/repo-oss/suse/$arch" "--repository" "$cache/partial-$arch-packages/var/cache/zypp/packages/repo-oss/suse/noarch")
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if [[ $DISTRO != "tumbleweed" ]]; then # tumbleweed has no update repo
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repos+=("--repository" "$cache/partial-$arch-packages/var/cache/zypp/packages/update/$arch" "--repository" "$cache/partial-$arch-packages/var/cache/zypp/packages/update/noarch")
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fi
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CLEAN_BUILD=1 BUILD_ARCH="$arch" BUILD_ROOT="$cache/partial-$arch" BUILD_DIST="$cache/partial-$arch-packages/opensuse.conf" PATH="$PATH:$BUILD_DIR" $BUILD_DIR/init_buildsystem --clean --configdir $BUILD_DIR/configs --cachedir $cache/partial-$arch-cache ${repos[*]} || return 1
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chroot $cache/partial-$arch /usr/bin/zypper --quiet --non-interactive ar "$oss_repo_url" repo-oss || return 1
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if [[ $DISTRO != "tumbleweed" ]]; then
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chroot $cache/partial-$arch /usr/bin/zypper --quiet --non-interactive ar "$update_repo_url" update || return 1
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fi
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# really clean the image
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rm -fr $cache/partial-$arch/{.build,.guessed_dist,.srcfiles*,installed-pkg}
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rm -fr $cache/partial-$arch/dev
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# make sure we have a minimal /dev
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mkdir -p "$cache/partial-$arch/dev"
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mknod -m 666 $cache/partial-$arch/dev/null c 1 3
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mknod -m 666 $cache/partial-$arch/dev/zero c 1 5
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# create mtab symlink
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rm -f $cache/partial-$arch/etc/mtab
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ln -sf /proc/self/mounts $cache/partial-$arch/etc/mtab
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# ensure /var/run and /run are symlinked
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rm -fr $cache/partial-$arch/var/run
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ln -s -f ../run $cache/partial-$arch/var/run
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if [ $? -ne 0 ]; then
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echo "Failed to download the rootfs, aborting."
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return 1
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fi
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rm -fr "$cache/partial-$arch-packages"
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mv "$1/partial-$arch" "$1/rootfs-$arch"
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echo "Download complete."
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return 0
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}
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copy_opensuse()
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{
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cache=$1
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arch=$2
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rootfs=$3
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# make a local copy of the mini opensuse
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echo "Copying rootfs to $rootfs ..."
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mkdir -p $rootfs
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rsync -SHaAX $cache/rootfs-$arch/ $rootfs/ || return 1
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return 0
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}
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install_opensuse()
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{
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# Allow the cache base to be set by environment variable
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cache="${LXC_CACHE_PATH:-@LOCALSTATEDIR@/cache/lxc/opensuse/$DISTRO}"
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rootfs=$1
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mkdir -p @LOCALSTATEDIR@/lock/subsys/
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(
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flock -x 9
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if [ $? -ne 0 ]; then
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echo "Cache repository is busy."
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return 1
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fi
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echo "Checking cache download in $cache/rootfs-$arch ... "
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if [ ! -e "$cache/rootfs-$arch" ]; then
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download_opensuse $cache $arch
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if [ $? -ne 0 ]; then
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echo "Failed to download 'opensuse base'"
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return 1
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fi
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fi
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echo "Copy $cache/rootfs-$arch to $rootfs ... "
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copy_opensuse $cache $arch $rootfs
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if [ $? -ne 0 ]; then
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echo "Failed to copy rootfs"
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return 1
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fi
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return 0
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) 9>@LOCALSTATEDIR@/lock/subsys/lxc-opensuse
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return $?
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}
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# Generate a random hardware (MAC) address composed of FE followed by
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# 5 random bytes...
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create_hwaddr()
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{
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openssl rand -hex 5 | sed -e 's/\(..\)/:\1/g; s/^/fe/'
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}
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copy_configuration()
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{
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path=$1
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rootfs=$2
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name=$3
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grep -q "^lxc.rootfs.path" $path/config 2>/dev/null || echo "
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lxc.rootfs.path = $rootfs_path
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" >> $path/config
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# The following code is to create static MAC addresses for each
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# interface in the container. This code will work for multiple
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# interfaces in the default config. It will also strip any
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# hwaddr stanzas out of the default config since we can not share
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# MAC addresses between containers.
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#
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# This code is largely mimiced from the Fedora Template.
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mv $path/config $path/config.def
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while read LINE
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do
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# This should catch variable expansions from the default config...
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if expr "${LINE}" : '.*\$' > /dev/null 2>&1
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then
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LINE=$(eval "echo \"${LINE}\"")
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fi
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# There is a tab and a space in the regex bracket below!
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# Seems that \s doesn't work in brackets.
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KEY=$(expr "${LINE}" : '\s*\([^ ]*\)\s*=')
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if [[ "${KEY}" != "lxc.net.0.hwaddr" ]]
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then
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echo "${LINE}" >> $path/config
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if [[ "${KEY}" == "lxc.net.0.link" ]]
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then
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echo "lxc.net.0.hwaddr = $(create_hwaddr)" >> $path/config
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fi
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fi
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done < $path/config.def
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rm -f $path/config.def
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if [ -e "@LXCTEMPLATECONFIG@/opensuse.common.conf" ]; then
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echo "
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# Include common configuration
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lxc.include = @LXCTEMPLATECONFIG@/opensuse.common.conf
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" >> $path/config
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fi
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# Append things which require expansion here...
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cat <<EOF >> $path/config
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lxc.arch = $arch
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lxc.uts.name = $name
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lxc.mount.auto = cgroup:mixed proc:mixed sys:mixed
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# When using LXC with apparmor, uncomment the next line to run unconfined:
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lxc.apparmor.profile = unconfined
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# example simple networking setup, uncomment to enable
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#lxc.net.0.type = $lxc_network_type
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#lxc.net.0.flags = up
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#lxc.net.0.link = $lxc_network_link
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#lxc.net.0.name = eth0
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# Additional example for veth network type
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# static MAC address,
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#lxc.net.0.hwaddr = 00:16:3e:77:52:20
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# persistent veth device name on host side
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# Note: This may potentially collide with other containers of same name!
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#lxc.net.0.veth.pair = v-$name-e0
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EOF
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if [ $? -ne 0 ]; then
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echo "Failed to add configuration"
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return 1
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fi
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return 0
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}
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clean()
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{
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cache="${LXC_CACHE_PATH:-@LOCALSTATEDIR@/cache/lxc/opensuse}"
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if [ ! -e $cache ]; then
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exit 0
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fi
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# lock, so we won't purge while someone is creating a repository
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(
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flock -x 9
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if [ $? != 0 ]; then
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echo "Cache repository is busy."
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exit 1
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fi
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echo -n "Purging the download cache..."
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rm --preserve-root --one-file-system -rf $cache && echo "Done." || exit 1
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exit 0
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) 9>@LOCALSTATEDIR@/lock/subsys/lxc-opensuse
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}
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usage()
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{
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cat <<EOF
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$1 -h|--help -p|--path=<path> -r|--release nn.n --clean
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Please give the release as 13.1, 13.2 etc.
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If no release is given, openSUSE Leap 42.2 is installed.
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EOF
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return 0
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}
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# Make arch a global. This may become configurable?
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arch=$(uname -m)
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options=$(getopt -o hp:n:r:c -l help,rootfs:,path:,name:,release:,clean -- "$@")
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if [ $? -ne 0 ]; then
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usage $(basename $0)
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exit 1
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fi
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eval set -- "$options"
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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 0;;
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-p|--path) path=$2; shift 2;;
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--rootfs) rootfs=$2; shift 2;;
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-n|--name) name=$2; shift 2;;
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-r|--release) DISTRO=$2; shift 2;;
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-c|--clean) clean=1; shift 1;;
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--) shift 1; break ;;
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*) break ;;
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esac
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done
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if [ ! -z "$clean" -a -z "$path" ]; then
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clean || exit 1
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exit 0
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fi
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type zypper > /dev/null
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if [ $? -ne 0 ]; then
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echo "'zypper' command is missing"
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exit 1
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fi
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if [ -z "$path" ]; then
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echo "'path' parameter is required"
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exit 1
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fi
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if grep -q Harlequin /etc/os-release || grep -q Tumbleweed /etc/os-release ; then
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BVER=`rpm -q --qf '%{version}\n' build`
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if [ $? -ne 0 -o "$BVER" -lt "20141120" ]; then
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echo "Building openSUSE containers with your version of the build package is broken. Please install the update to version 20141120 or newer."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$DISTRO" ]; then
|
|
echo ""
|
|
echo "No release selected, using openSUSE Leap 15.0"
|
|
DISTRO="leap/15.0"
|
|
else
|
|
echo ""
|
|
case "$DISTRO" in
|
|
13.1)
|
|
echo "Selected openSUSE 13.1"
|
|
;;
|
|
|
|
13.2)
|
|
echo "Selected openSUSE 13.2"
|
|
;;
|
|
|
|
42.1|leap/42.1|421)
|
|
echo "Selected openSUSE Leap 42.1"
|
|
DISTRO="leap/42.1"
|
|
;;
|
|
|
|
42.2|leap/42.2|422)
|
|
echo "Selected openSUSE Leap 42.2"
|
|
DISTRO="leap/42.2"
|
|
;;
|
|
|
|
42.3|leap/42.3|423)
|
|
echo "Selected openSUSE Leap 42.3"
|
|
DISTRO="leap/42.3"
|
|
;;
|
|
|
|
15.0|leap/15.0|150|leap)
|
|
echo "Selected openSUSE Leap 15.0"
|
|
DISTRO="leap/15.0"
|
|
;;
|
|
|
|
tumbleweed|factory)
|
|
echo "Selected openSUSE Leap Tumbleweed"
|
|
DISTRO="tumbleweed"
|
|
;;
|
|
|
|
*)
|
|
echo "You have chosen an invalid release, quitting..."
|
|
exit 1
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
|
|
if [ "$(id -u)" != "0" ]; then
|
|
echo "This script should be run as 'root'"
|
|
exit 1
|
|
fi
|
|
|
|
# detect rootfs
|
|
config="$path/config"
|
|
if [ -z "$rootfs" ]; then
|
|
if grep -q '^lxc.rootfs.path' $config 2>/dev/null ; then
|
|
rootfs=$(awk -F= '/^lxc.rootfs.path =/{ print $2 }' $config)
|
|
else
|
|
rootfs=$path/rootfs
|
|
fi
|
|
fi
|
|
|
|
install_opensuse $rootfs
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed to install opensuse"
|
|
exit 1
|
|
fi
|
|
|
|
configure_opensuse $rootfs $name
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed to configure opensuse for a container"
|
|
exit 1
|
|
fi
|
|
|
|
copy_configuration $path $rootfs $name
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed write configuration file"
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -z "$clean" ]; then
|
|
clean || exit 1
|
|
exit 0
|
|
fi
|