Add script for building debian base boxes
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Fabio Rehm
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boxes/build-debian-box.sh
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160
boxes/build-debian-box.sh
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#!/bin/bash
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# set -x
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set -e
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# Script used to build Debian base vagrant-lxc containers, currently limited to
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# host's arch
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#
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# USAGE:
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# $ cd boxes && sudo ./build-debian-box.sh DEBIAN_RELEASE
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#
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# To enable Chef or any other configuration management tool pass '1' to the
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# corresponding env var:
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# $ CHEF=1 sudo -E ./build-debian-box.sh DEBIAN_RELEASE
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# $ PUPPET=1 sudo -E ./build-debian-box.sh DEBIAN_RELEASE
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# $ SALT=1 sudo -E ./build-debian-box.sh DEBIAN_RELEASE
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# $ BABUSHKA=1 sudo -E ./build-debian-box.sh DEBIAN_RELEASE
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##################################################################################
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# 0 - Initial setup and sanity checks
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TODAY=$(date -u +"%Y-%m-%d")
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NOW=$(date -u)
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RELEASE=${1:-"wheezy"}
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ARCH=$(dpkg --print-architecture) # This is what the Debian template will use under the hood
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PKG=vagrant-lxc-${RELEASE}-${ARCH}-${TODAY}.box
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WORKING_DIR=/tmp/vagrant-lxc-${RELEASE}
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VAGRANT_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key"
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ROOTFS=/var/lib/lxc/${RELEASE}-base/rootfs
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# Providing '1' will enable these tools
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CHEF=${CHEF:-0}
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PUPPET=${PUPPET:-0}
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SALT=${SALT:-0}
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BABUSHKA=${BABUSHKA:-0}
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# Path to files bundled with the box
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CWD=`readlink -f .`
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LXC_TEMPLATE=${CWD}/common/lxc-template
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LXC_CONF=${CWD}/common/lxc.conf
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METATADA_JSON=${CWD}/common/metadata.json
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# Set up a working dir
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mkdir -p $WORKING_DIR
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if [ -f "${WORKING_DIR}/${PKG}" ]; then
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echo "Found a box on ${WORKING_DIR}/${PKG} already!"
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exit 1
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fi
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##################################################################################
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# 1 - Create the base container
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if $(lxc-ls | grep -q "${RELEASE}-base"); then
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echo "Base container already exists, please remove it with \`lxc-destroy -n ${RELEASE}-base\`!"
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exit 1
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else
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export SUITE=$RELEASE
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lxc-create -n ${RELEASE}-base -t debian
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fi
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######################################
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# 2 - Fix some known issues
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# Fixes some networking issues
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# See https://github.com/fgrehm/vagrant-lxc/issues/91 for more info
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sed -i -e "s/\(127.0.0.1\s\+localhost\)/\1\n127.0.1.1\t${RELEASE}-base\n/g" ${ROOTFS}/etc/hosts
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# Ensures that `/tmp` does not get cleared on halt
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# See https://github.com/fgrehm/vagrant-lxc/issues/68 for more info
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chroot $ROOTFS /usr/sbin/update-rc.d -f checkroot-bootclean.sh remove
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chroot $ROOTFS /usr/sbin/update-rc.d -f mountall-bootclean.sh remove
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chroot $ROOTFS /usr/sbin/update-rc.d -f mountnfs-bootclean.sh remove
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# Ensure locales are properly set, based on http://linux.livejournal.com/1880366.html
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sed -i "s/^# en_US/en_US/" ${ROOTFS}/etc/locale.gen
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chroot $ROOTFS /usr/sbin/locale-gen
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chroot $ROOTFS update-locale LANG=en_US.UTF-8
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##################################################################################
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# 3 - Prepare vagrant user
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sudo chroot ${ROOTFS} useradd --create-home -s /bin/bash vagrant
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echo -n 'vagrant:vagrant' | chroot ${ROOTFS} chpasswd
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##################################################################################
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# 4 - Setup SSH access and passwordless sudo
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# Configure SSH access
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mkdir -p ${ROOTFS}/home/vagrant/.ssh
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echo $VAGRANT_KEY > ${ROOTFS}/home/vagrant/.ssh/authorized_keys
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chroot ${ROOTFS} chown -R vagrant: /home/vagrant/.ssh
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chroot ${ROOTFS} apt-get install sudo -y --force-yes
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chroot ${ROOTFS} adduser vagrant sudo
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# Enable passwordless sudo for users under the "sudo" group
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cp ${ROOTFS}/etc/sudoers{,.orig}
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sed -i -e \
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's/%sudo\s\+ALL=(ALL\(:ALL\)\?)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' \
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${ROOTFS}/etc/sudoers
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##################################################################################
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# 5 - Add some goodies and update packages
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PACKAGES=(vim curl wget man-db bash-completion ca-certificates)
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chroot ${ROOTFS} apt-get install ${PACKAGES[*]} -y --force-yes
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chroot ${ROOTFS} apt-get upgrade -y --force-yes
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##################################################################################
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# 6 - Configuration management tools
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if [ $CHEF = 1 ]; then
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./common/install-chef $ROOTFS
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fi
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if [ $PUPPET = 1 ]; then
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./common/install-puppet $ROOTFS
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fi
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if [ $SALT = 1 ]; then
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./common/install-salt $ROOTFS
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fi
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if [ $BABUSHKA = 1 ]; then
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./common/install-babushka $ROOTFS
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fi
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##################################################################################
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# 7 - Free up some disk space
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rm -rf ${ROOTFS}/tmp/*
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chroot ${ROOTFS} apt-get clean
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##################################################################################
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# 8 - Build box package
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# Compress container's rootfs
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cd $(dirname $ROOTFS)
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tar --numeric-owner -czf /tmp/vagrant-lxc-${RELEASE}/rootfs.tar.gz ./rootfs/*
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# Prepare package contents
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cd $WORKING_DIR
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cp $LXC_TEMPLATE .
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cp $LXC_CONF .
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cp $METATADA_JSON .
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chmod +x lxc-template
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sed -i "s/<TODAY>/${NOW}/" metadata.json
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# Vagrant box!
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tar -czf $PKG ./*
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echo "The base box was built successfully to ${WORKING_DIR}/${PKG}"
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