151 lines
4.5 KiB
Bash
Executable file
151 lines
4.5 KiB
Bash
Executable file
#!/bin/bash
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# This is a modified version of /usr/share/lxc/templates/lxc-download
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# that comes with ubuntu-lxc 1.0.0 stable from ppa changed to suit vagrant-lxc needs
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#
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# Copyright © 2014 Stéphane Graber <stgraber@ubuntu.com>
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# Copyright © 2014 Fábio Rehm <fgrehm@gmail.com>
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#
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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
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# USA
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set -eu
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LXC_HOOK_DIR="/usr/share/lxc/hooks"
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LXC_TEMPLATE_CONFIG="/usr/share/lxc/config"
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LXC_MAPPED_GID=
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LXC_MAPPED_UID=
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LXC_NAME=
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LXC_PATH=
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LXC_ROOTFS=
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LXC_TARBALL=
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LXC_CONFIG=
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usage() {
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cat <<EOF
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vagrant-lxc default template
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Required arguments:
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[ --tarball <path> ]: The full path of the rootfs tarball
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Optional arguments:
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[ --config ]: Configuration file to be used when building the container
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[ -h | --help ]: This help message
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LXC internal arguments (do not pass manually!):
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[ --name <name> ]: The container name
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[ --path <path> ]: The path to the container
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[ --rootfs <rootfs> ]: The path to the container's rootfs
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[ --mapped-uid <map> ]: A uid map (user namespaces)
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[ --mapped-gid <map> ]: A gid map (user namespaces)
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EOF
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return 0
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}
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options=$(getopt -o h -l tarball:,config:,help:,name:,path:,rootfs:,mapped-uid:,mapped-gid: -- "$@")SS
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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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--config) LXC_CONFIG=$2; shift 2;;
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--tarball) LXC_TARBALL=$2; shift 2;;
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--name) LXC_NAME=$2; shift 2;;
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--path) LXC_PATH=$2; shift 2;;
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--rootfs) LXC_ROOTFS=$2; shift 2;;
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--mapped-uid) LXC_MAPPED_UID=$2; shift 2;;
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--mapped-gid) LXC_MAPPED_GID=$2; shift 2;;
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*) break;;
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esac
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done
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if [ -z "${LXC_NAME}" ]; then
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echo "'name' parameter is required"
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exit 1
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fi
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if [ -z "${LXC_TARBALL}" ]; then
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echo "'tarball' parameter is required"
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exit 1
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fi
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if [ -z "${LXC_ROOTFS}" ]; then
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echo "'rootfs' parameter is required"
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exit 1
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fi
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if [ -z "${LXC_CONFIG}" ]; then
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echo "'config' parameter is required"
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exit 1
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fi
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if [ -z "${LXC_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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# Unpack the rootfs
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echo "Unpacking the rootfs"
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mkdir -p ${LXC_ROOTFS}
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(cd ${LXC_ROOTFS} && tar xfz ${LXC_TARBALL} --strip-components=2)
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mkdir -p ${LXC_ROOTFS}/dev/pts/
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## Extract all the network config entries
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sed -i -e "/lxc.network/{w ${LXC_PATH}/config-network" -e "d}" \
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${LXC_PATH}/config
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## Extract any other config entry
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sed -i -e "/lxc./{w ${LXC_PATH}/config-auto" -e "d}" ${LXC_PATH}/config
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## Add the container-specific config
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echo "" >> ${LXC_PATH}/config
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echo "##############################################" >> ${LXC_PATH}/config
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echo "# Container specific configuration (automatically set)" >> ${LXC_PATH}/config
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if [ -e "${LXC_PATH}/config-auto" ]; then
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cat ${LXC_PATH}/config-auto >> ${LXC_PATH}/config
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rm ${LXC_PATH}/config-auto
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fi
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echo "lxc.utsname = ${LXC_NAME}" >> ${LXC_PATH}/config
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## Re-add the previously removed network config
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if [ -e "${LXC_PATH}/config-network" ]; then
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echo "" >> ${LXC_PATH}/config
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echo "##############################################" >> ${LXC_PATH}/config
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echo "# Network configuration (automatically set)" >> ${LXC_PATH}/config
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cat ${LXC_PATH}/config-network >> ${LXC_PATH}/config
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rm ${LXC_PATH}/config-network
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fi
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## Append the defaults
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echo "" >> ${LXC_PATH}/config
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echo "##############################################" >> ${LXC_PATH}/config
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echo "# vagrant-lxc base box specific configuration" >> ${LXC_PATH}/config
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cat ${LXC_CONFIG} >> ${LXC_PATH}/config
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# Empty section for lxc.customize calls from vagrantfile
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echo "" >> ${LXC_PATH}/config
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echo "##############################################" >> ${LXC_PATH}/config
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echo "# vagrant-lxc container specific configuration" >> ${LXC_PATH}/config
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exit 0
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