87 lines
2.6 KiB
Bash
87 lines
2.6 KiB
Bash
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#!/bin/bash
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# Script used to build Ubuntu base vagrant-lxc containers
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# USAGE:
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# $ sudo ./build-ubuntu-box.sh UBUNTU_RELEASE BOX_ARCH
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# TODO: * Add support for flushing cache and specifying a custom base Ubuntu lxc
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# template instead of system's built in
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# * Embed vagrant public key
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##################################################################################
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# 1 - Create the base container
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RELEASE=${1:-"raring"}
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ARCH=${2:-"amd64"}
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lxc-create -n ${RELEASE}-base -t ubuntu -- --release ${RELEASE} --arch ${ARCH}
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##################################################################################
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# 2 - Prepare vagrant user
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ROOTFS=/var/lib/lxc/${RELEASE}-base/rootfs
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chroot ${ROOTFS} usermod -l vagrant -d /home/vagrant ubuntu
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echo -n 'vagrant:vagrant' | chroot ${ROOTFS} chpasswd
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##################################################################################
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# 3 - 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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wget https://raw.github.com/mitchellh/vagrant/master/keys/vagrant.pub -O ${ROOTFS}/home/vagrant/.ssh/authorized_keys
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chroot ${ROOTFS} chown -R vagrant: /home/vagrant/.ssh
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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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# 4 - Add some goodies
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PACKAGES=(vim curl wget manpages bash-completion)
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chroot ${ROOTFS} apt-get install ${PACKAGES[*]} -y --force-yes
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##################################################################################
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# 5 - Configuration management tools
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# TODO
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##################################################################################
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# 6 - Free up some disk space
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rm -rf ${ROOTFS}/tmp/*
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chroot ${ROOTFS} apt-get clean
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##################################################################################
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# 7 - Build box package
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# Set up a working dir
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mkdir -p /tmp/vagrant-lxc-${RELEASE}
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# Compress container's rootfs
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cd /var/lib/lxc/${RELEASE}-base
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tar --numeric-owner -czf /tmp/vagrant-lxc-${RELEASE}/rootfs.tar.gz ./rootfs/*
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# Prepare package contents
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cd /tmp/vagrant-lxc-${RELEASE}
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wget https://raw.github.com/fgrehm/vagrant-lxc/master/boxes/common/lxc-template
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wget https://raw.github.com/fgrehm/vagrant-lxc/master/boxes/common/lxc.conf
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wget https://raw.github.com/fgrehm/vagrant-lxc/master/boxes/common/metadata.json
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chmod +x lxc-template
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# Vagrant box!
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PKG=vagrant-lxc-${RELEASE}-${ARCH}.box
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tar -czf $PKG ./*
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echo "The base box was built successfully to ${PKG}"
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