old scripts to build image for libvirt
This commit is contained in:
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5
20140204.nue1.buildimage/.gitignore
vendored
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5
20140204.nue1.buildimage/.gitignore
vendored
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.vagrant
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*.bz2
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*.qcow2
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*.tmp
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authorized_keys
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24
20140204.nue1.buildimage/Makefile
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20140204.nue1.buildimage/Makefile
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YYYYMMDD := $(shell date +%Y%m%d)
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default: gen
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clean:
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rm -f *.bz2 *.qcow2 *.tmp authorized_keys
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setup: clean
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./detect-mirror.sh > ubuntu-mirror.tmp
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cp $(HOME)/.ssh/id_rsa.pub ./authorized_keys
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gen: setup
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./gen.sh
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upload:
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rsync -avzP ./*.qcow2 \
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$(KVM_REMOTE_HOST):/storage/images/
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sync: clean
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rsync -avP \
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--exclude=/.git \
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--exclude=/.vagrant \
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./ \
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$(KVM_REMOTE_HOST):/storage/buildimage/
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53
20140204.nue1.buildimage/README.md
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20140204.nue1.buildimage/README.md
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# KVM Ubuntu Image Builder
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This is a Vagrant-based qcow2 image builder to build root images for
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KVM/qemu.
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Supports:
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* Ubuntu 12.04 precise amd64
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* Ubuntu 13.10 saucy amd64
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# Assumptions
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This will use whatever `~/.ssh/id_rsa.pub` is found on the host build system
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as the `/root/.ssh/authorized_keys` inside the image being built.
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The root password is set to 'root', but ssh password logins are disabled, so
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it only works at the console.
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The mirror in the image is set to `http://mirror.localservice/ubuntu`. It
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is expected that the VM environment you are using will make this resolve
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appropriately and point at a local reverse proxy or full mirror.
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# Requires
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## Common
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* curl
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* jq
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## OSX
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* Vagrant
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## Linux
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* root
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* kpartx
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* debootstrap
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* lvm2
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* qemu-utils
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# todo
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* support 12.04 (precise) or 12.10 (quantal) (chef server!)
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* refactor local modifications/packages out of base build
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# local changes todo
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* remove whoopsie
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* remove libwhoopsie0
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* remove popcon / popularity-contest
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* remove landscape stuff
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* switch ssh to systemd invoked service
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73
20140204.nue1.buildimage/Vagrantfile
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20140204.nue1.buildimage/Vagrantfile
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
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VAGRANTFILE_API_VERSION = "2"
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SETUP_BASE = <<-EOF
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#!/bin/bash
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set -e
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# byobu lags login in this vm for some reason?
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test -e /etc/profile.d/Z97-byobu.sh && rm /etc/profile.d/Z97-byobu.sh
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echo "UseDNS no" >> /etc/ssh/sshd_config
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service ssh restart
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echo "exec sudo -i" >> /home/vagrant/.bashrc
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function set_apt_mirror () {
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CN="$(lsb_release -c -s)"
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RPS="main restricted multiverse universe"
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echo "deb $1 $CN $RPS" > /etc/apt/sources.list.new
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for P in updates backports security ; do
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echo "deb $1 $CN-$P $RPS" >> /etc/apt/sources.list.new
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done
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mv /etc/apt/sources.list.new /etc/apt/sources.list
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}
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export UBUNTU_MIRROR_URL="`cat /vagrant/ubuntu-mirror.tmp`"
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if [[ ! -z "$UBUNTU_MIRROR_URL" ]]; then
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set_apt_mirror "$UBUNTU_MIRROR_URL"
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fi
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if [[ "$(lsb_release -s -c)" == "saucy" ]]; then
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dpkg --remove-architecture i386
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else
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rm /etc/dpkg/dpkg.cfg.d/multiarch
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fi
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apt-get update
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apt-get -y install kpartx debootstrap lvm2 qemu-utils
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DISTS="precise saucy"
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for DIST in $DISTS; do
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export KEYFILE="/vagrant/authorized_keys"
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/vagrant/buildimage.sh $DIST || exit $?
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mv /tmp/*64.qcow2 /vagrant/
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exit 0 # FIXME
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done
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EOF
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Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
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config.vm.box = "ubuntu-12.04"
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config.vm.box_url = "http://cloud-images.ubuntu.com/vagrant/precise/" + \
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"current/precise-server-cloudimg-amd64-vagrant-disk1.box"
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config.cache.auto_detect = true if Vagrant.has_plugin?("vagrant-cachier")
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# bridge to my actual local lan instead of the private vagrant
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# network so that avahi discover will work right to find my mirror
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# osx requires it to be the full descriptive name, mine is e.g.
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# "en4: Display Ethernet" (tb display wired ethernet)
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if ENV['VAGRANT_BRIDGE_DEVICE']
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config.vm.network "public_network",
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:bridge => ENV['VAGRANT_BRIDGE_DEVICE']
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end
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config.vm.provision "shell", inline: SETUP_BASE
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config.vm.provider :virtualbox do |vb|
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vb.customize ["modifyvm", :id, "--memory", "2048"]
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end
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end
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385
20140204.nue1.buildimage/buildimage.sh
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20140204.nue1.buildimage/buildimage.sh
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#!/bin/bash
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set -e
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set -v
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set -x
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SAVESPACE=1
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WITHCHEF=1
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ORGNAME="eeqj"
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DSIZE="25G" # disk size
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# releases we support right now
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SUPPORTED="precise saucy"
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if [[ $# -ne 1 ]]; then
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echo "usage: $0 <codename>" > /dev/stderr
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echo "supported ubuntu releases: $SUPPORTED" > /dev/stderr
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exit 127
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fi
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R="$1" # release
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if ! [[ "$SUPPORTED" =~ "$R" ]] ; then
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echo "$0: unsupported ubuntu release $R, sorry." > /dev/stderr
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exit 127
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fi
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MR="/tmp/kvmbuild-${R}"
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RI="/tmp/kvmbuild-${R}.img" # raw image
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VGN="vmvg0" # volume group name
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DATE="$(date -u +%Y%m%d)"
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LONGDATE="$(date -u +%Y-%m-%dT%H:%M:%S%z)"
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LOOPDEV="$(losetup -f)"
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LDBASE="$(basename $LOOPDEV)"
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ROOTPW="root"
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if [[ -e /dev/$VGN ]]; then
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echo "$0: error, vg $VGN already exists" > /dev/stderr
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exit 127
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fi
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if [[ -e "$MR" ]]; then
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echo "$0: error, chroot dir $MR already exists" > /dev/stderr
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exit 127
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fi
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if [[ -e "$RI" ]]; then
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echo "$0: error, intermediate image file $RI already exists" > /dev/stderr
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exit 127
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fi
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function detect_local_mirror () {
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TF="${UBUNTU_MIRROR_URL}/dists/${R}/Release"
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MOK="$(curl -m 1 --head ${TF} 2>&1 | grep '200 OK' | wc -l)"
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if [ $MOK -gt 0 ]; then
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echo "$UBUNTU_MIRROR_URL"
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else
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echo "http://archive.ubuntu.com/ubuntu/"
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fi
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}
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UM="$(detect_local_mirror)"
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# create sparse file and partition it
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dd if=/dev/zero of=$RI bs=1 count=0 seek=$DSIZE
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parted -s $RI mklabel msdos
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parted -a optimal $RI mkpart primary 0% 200MiB
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parted -a optimal $RI mkpart primary 200MiB 100%
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parted $RI set 1 boot on
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losetup $LOOPDEV $RI
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kpartx -av $LOOPDEV
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BOOTPARTLOOP="$(losetup -f)"
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losetup $BOOTPARTLOOP /dev/mapper/${LDBASE}p1
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# make boot filesystem:
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if [[ "$R" == "saucy" ]]; then
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FSTYPE="ext4"
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else
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FSTYPE="ext3"
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fi
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mkfs.${FSTYPE} -L BOOT $BOOTPARTLOOP
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tune2fs -c -1 $BOOTPARTLOOP
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# create root vg and filesystem:
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pvcreate /dev/mapper/${LDBASE}p2
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vgcreate $VGN /dev/mapper/${LDBASE}p2
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lvcreate -l 100%FREE -n root $VGN
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mkfs.${FSTYPE} -L ROOT /dev/$VGN/root
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# mount stuff
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mkdir -p $MR
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MR="$(readlink -f $MR)"
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mount /dev/$VGN/root $MR
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mkdir $MR/boot
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mount $BOOTPARTLOOP $MR/boot
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# install base:
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echo "*** installing base $R system from $UM..."
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debootstrap --arch amd64 $R $MR $UM
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# temporary config for install:
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RPS="main restricted multiverse universe"
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echo "deb $UM $R $RPS" > $MR/etc/apt/sources.list
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for P in updates backports security ; do
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echo "deb $UM $R-$P $RPS" >> $MR/etc/apt/sources.list
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done
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# disable apt installation exuberance
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cat > $MR/etc/apt/apt.conf.d/99-vm-no-extras-please <<EOF
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APT::Install-Recommends "false";
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APT::Install-Suggest "false";
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EOF
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# use build system resolver settings for now temporarily
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cp /etc/resolv.conf $MR/etc/resolv.conf
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cat > $MR/etc/environment <<EOF
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PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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LANGUAGE="en_US:en"
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LANG="en_US.UTF-8"
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ROOT_IMAGE_BUILD_DAY="$DATE"
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ROOT_IMAGE_BUILD_DATE="$LONGDATE"
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ROOT_IMAGE_BUILD_ORG="$ORGNAME"
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EOF
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chroot $MR locale-gen en_US.UTF-8
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chroot $MR dpkg-reconfigure locales
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echo 'cd /dev && MAKEDEV generic 2>/dev/null' | chroot $MR
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BUUID="$(blkid -s UUID -o value $BOOTPARTLOOP)"
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RUUID="$(blkid -s UUID -o value /dev/${VGN}/root)"
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# this has to come before packages:
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cat > $MR/etc/fstab <<EOF
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proc /proc proc defaults 0 0
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/dev/mapper/$VGN-root / $FSTYPE noatime,errors=remount-ro 0 1
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UUID=$BUUID /boot $FSTYPE noatime 0 2
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none /tmp tmpfs defaults 0 0
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none /var/tmp tmpfs defaults 0 0
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EOF
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cat > $MR/etc/network/interfaces <<EOF
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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EOF
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cat > $MR/etc/hosts <<EOF
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127.0.0.1 localhost
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::1 localhost ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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ff02::3 ip6-allhosts
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EOF
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#### install and update packages
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mount --bind /proc $MR/proc
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mount --bind /dev $MR/dev
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mount --bind /sys $MR/sys
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# this file keeps stuff from starting up right now
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# when first installed in the chroot.
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cat > $MR/usr/sbin/policy-rc.d <<EOF
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#!/bin/bash
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exit 101
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EOF
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chmod +x $MR/usr/sbin/policy-rc.d
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# banish i386 forevermore, saucy
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if [[ "$R" == "saucy" ]]; then
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chroot $MR dpkg --remove-architecture i386
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fi
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# i386 banishment for precise
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if [[ -e $MR/etc/dpkg/dpkg.cfg.d/multiarch ]] ; then
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rm $MR/etc/dpkg/dpkg.cfg.d/multiarch
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fi
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chroot $MR <<EOF
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export DEBIAN_FRONTEND=noninteractive
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apt-get -y update
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# acpid is to receive shutdown events from kvm
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# accurate time (ntp) is essential for certificate verification to work
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# parted is to resize partitions on disk expansion
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PACKAGES="
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linux-image-server
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lvm2
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acpid
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openssh-server
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ntp
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parted
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grub-pc
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"
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RUNLEVEL=1 apt-get -y install \$PACKAGES
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EOF
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if [[ $WITHCHEF ]]; then
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# install chef and ohai for provisioning later
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chroot $MR <<EOF
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set -e
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export DEBIAN_FRONTEND=noninteractive
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export RUNLEVEL=1
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apt-get install -y \
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ruby ruby-dev build-essential wget libruby rubygems
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gem update --no-rdoc --no-ri
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gem install ohai --no-rdoc --no-ri --verbose
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gem install chef --no-rdoc --no-ri --verbose
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EOF
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fi
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chroot $MR <<EOF
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grep -v ^server /etc/ntp.conf > /etc/ntp.conf.new
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mv /etc/ntp.conf.new /etc/ntp.conf
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EOF
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# tell ntp not to try to sync to anything
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# if an ntp server comes from the dhcp server then it will use that
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cat >> $MR/etc/ntp.conf <<EOF
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server 127.127.1.0
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fudge 127.127.1.0 stratum 10
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broadcastclient
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EOF
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# set some sane grub defaults for kvm guests
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echo "GRUB_CMDLINE_LINUX_DEFAULT=\"text serial=tty0 console=ttyS0\"" \
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>> $MR/etc/default/grub
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# FIXME i think this is bogus, test changing it
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echo "GRUB_SERIAL_COMMAND=\"serial --unit=0 --speed=9600 --stop=1\"" \
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>> $MR/etc/default/grub
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if [[ "$R" == "saucy" ]]; then
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echo "GRUB_TERMINAL=\"serial\"" >> $MR/etc/default/grub
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fi
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echo "GRUB_GFXPAYLOAD=\"text\"" >> $MR/etc/default/grub
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# set root password (only useful at console, ssh password login is disabled)
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chroot $MR /bin/bash -c "echo \"root:$ROOTPW\" | chpasswd"
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chroot $MR grub-mkconfig -o /boot/grub/grub.cfg 2> /dev/null
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cat > $MR/boot/grub/device.map <<EOF
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(hd0) ${LOOPDEV}
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(hd0,1) ${BOOTPARTLOOP}
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EOF
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chroot $MR grub-install ${LOOPDEV} 2> /dev/null
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# get rid of temporary device.map after grub is installed
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rm $MR/boot/grub/device.map
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# remove initramfs entirely:
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chroot $MR update-initramfs -d -k all
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||||
# for some stupid reason, -k all doesn't work on gen after removing:
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KERN="$(cd $MR/boot && ls vmlinuz*)"
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VER="${KERN#vmlinuz-}"
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chroot $MR update-initramfs -c -k $VER
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||||
|
||||
# start a getty on the serial port for kvm console login
|
||||
if [[ "$R" == "saucy" ]]; then
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cat > $MR/etc/init/ttyS0.conf <<EOF
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# ttyS0 - getty
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||||
# run a getty on the serial console
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start on stopped rc or RUNLEVEL=[12345]
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stop on runlevel [!12345]
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respawn
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exec /sbin/getty -L 115200 ttyS0 vt102
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||||
EOF
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||||
fi
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||||
|
||||
# update all packages on the system
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chroot $MR /bin/bash -c \
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"DEBIAN_FRONTEND=noninteractive RUNLEVEL=1 apt-get -y upgrade"
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||||
# remove file that keeps installed stuff from starting up
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||||
rm $MR/usr/sbin/policy-rc.d
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||||
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#####################################################
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||||
### Local Modifications
|
||||
#####################################################
|
||||
|
||||
cat > $MR/etc/dhcp/dhclient-exit-hooks.d/hostname <<EOF
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||||
hostname \$new_host_name
|
||||
EOF
|
||||
|
||||
# install ssh key
|
||||
mkdir -p $MR/root/.ssh
|
||||
cp "${KEYFILE}" $MR/root/.ssh/authorized_keys
|
||||
chmod 600 $MR/root/.ssh/authorized_keys
|
||||
|
||||
# key auth only
|
||||
echo "PasswordAuthentication no" >> $MR/etc/ssh/sshd_config
|
||||
# in case dns is broken, don't lag logins
|
||||
echo "UseDNS no" >> $MR/etc/ssh/sshd_config
|
||||
|
||||
# clean apt cache
|
||||
rm $MR/var/cache/apt/archives/*.deb
|
||||
|
||||
# set dist apt source:
|
||||
RPS="main restricted multiverse universe"
|
||||
MURL="http://archive.ubuntu.com/ubuntu"
|
||||
echo "deb $MURL $R $RPS" > $MR/etc/apt/sources.list
|
||||
for P in updates backports security ; do
|
||||
echo "deb $MURL $R-$P $RPS" >> $MR/etc/apt/sources.list
|
||||
done
|
||||
|
||||
# remove instance ssh host keys
|
||||
rm $MR/etc/ssh/*key*
|
||||
rm $MR/var/lib/dhcp/*.leases
|
||||
|
||||
# remove temporary resolver, dhcp will fix it:
|
||||
rm $MR/etc/resolv.conf
|
||||
|
||||
# if there is an /etc/hostname then it won't
|
||||
# pick up the right hostname from dhcp
|
||||
test -e $MR/etc/hostname || rm $MR/etc/hostname
|
||||
|
||||
mkdir $MR/lib/eeqjvmtools
|
||||
|
||||
cat > $MR/lib/eeqjvmtools/expandroot.sh <<EOF
|
||||
#!/bin/bash
|
||||
parted -- /dev/vda resizepart 2 -1s
|
||||
partprobe /dev/vda
|
||||
pvresize /dev/vda2
|
||||
lvresize -l +100%FREE /dev/vmvg0/root || true
|
||||
resize2fs /dev/vmvg0/root
|
||||
EOF
|
||||
chmod +x $MR/lib/eeqjvmtools/expandroot.sh
|
||||
|
||||
# regenerate them on first boot
|
||||
cat > $MR/etc/rc.local <<EOF
|
||||
#!/bin/bash
|
||||
|
||||
# if no ssh host keys, generate them
|
||||
test -f /etc/ssh/ssh_host_dsa_key || dpkg-reconfigure openssh-server
|
||||
|
||||
# if the drive has gotten bigger since last time, grow the fs:
|
||||
test -x /lib/eeqjvmtools/expandroot.sh && /lib/eeqjvmtools/expandroot.sh
|
||||
|
||||
exit 0
|
||||
EOF
|
||||
chmod +x $MR/etc/rc.local
|
||||
|
||||
echo "******************************************************"
|
||||
echo "*** Almost done. Cleaning up..."
|
||||
echo "******************************************************"
|
||||
|
||||
umount $MR/proc
|
||||
umount $MR/sys
|
||||
|
||||
# udev insists on sticking around, kill it:
|
||||
if [[ "$R" == "saucy" ]]; then
|
||||
fuser -m $MR -k
|
||||
sleep 1
|
||||
fi
|
||||
umount $MR/dev
|
||||
|
||||
if [[ $SAVESPACE ]]; then
|
||||
# zero space on boot:
|
||||
dd if=/dev/zero of=$MR/boot/zerofile bs=1M || true
|
||||
sync
|
||||
rm $MR/boot/zerofile
|
||||
# zero space on root
|
||||
dd if=/dev/zero of=$MR/zerofile bs=1M || true
|
||||
sync
|
||||
rm $MR/zerofile
|
||||
fi
|
||||
|
||||
umount $MR/boot
|
||||
umount $MR
|
||||
sync
|
||||
|
||||
rmdir $MR
|
||||
|
||||
vgchange -a n $VGN
|
||||
losetup -d $BOOTPARTLOOP
|
||||
kpartx -dv $LOOPDEV
|
||||
losetup -d $LOOPDEV
|
||||
sync
|
||||
|
||||
OF="/tmp/${DATE}-${ORGNAME}-${R}64.qcow2"
|
||||
|
||||
qemu-img convert -f raw -O qcow2 $RI $OF && rm $RI
|
||||
35
20140204.nue1.buildimage/detect-mirror.sh
Executable file
35
20140204.nue1.buildimage/detect-mirror.sh
Executable file
@ -0,0 +1,35 @@
|
||||
#!/bin/bash
|
||||
|
||||
# feel free to set MY_LOCAL_UBUNTU_MIRROR
|
||||
# to make this try your local/lan copy first
|
||||
|
||||
TRY="
|
||||
$MY_LOCAL_UBUNTU_MIRROR
|
||||
http://mirror.localservice/ubuntu
|
||||
http://mirror.hetzner.de/ubuntu
|
||||
"
|
||||
|
||||
CC="$(
|
||||
curl -w 1 -s https://freegeoip.net/json/ |
|
||||
jq -r .country_code 2>/dev/null
|
||||
)"
|
||||
|
||||
if [[ ! -z "$CC" ]]; then
|
||||
TRY+=" http://$CC.archive.ubuntu.com/ubuntu"
|
||||
fi
|
||||
|
||||
TRY+=" http://archive.ubuntu.com/ubuntu"
|
||||
|
||||
for TRYMIRROR in $TRY ; do
|
||||
TF="${TRYMIRROR}/dists/saucy/Release"
|
||||
MOK="$(curl -m 1 --head ${TF} 2>&1 | grep '200 OK' | wc -l)"
|
||||
if [ $MOK -gt 0 ]; then
|
||||
echo "$TRYMIRROR"
|
||||
exit 0
|
||||
fi
|
||||
done
|
||||
|
||||
# give this one even if it failed above, it's not our fault
|
||||
# you don't have internet access...
|
||||
echo "http://archive.ubuntu.com/ubuntu"
|
||||
exit 0
|
||||
46
20140204.nue1.buildimage/gen.sh
Executable file
46
20140204.nue1.buildimage/gen.sh
Executable file
@ -0,0 +1,46 @@
|
||||
#!/bin/bash
|
||||
|
||||
if [[ $(uname) == Darwin ]]; then
|
||||
vagrant destroy -f
|
||||
vagrant up
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [[ $(uname) == Linux ]]; then
|
||||
cd /tmp
|
||||
export KEYFILE="${HOME}/.ssh/id_rsa.pub"
|
||||
export UBUNTU_MIRROR_URL="$(cat $OLDPWD/ubuntu-mirror.tmp)"
|
||||
for CN in precise saucy ; do
|
||||
$OLDPWD/buildimage.sh $CN
|
||||
if [[ $? -ne 0 ]]; then
|
||||
set -x
|
||||
set -v
|
||||
BD="/tmp/kvmbuild-${CN}"
|
||||
IM="/tmp/kvmbuild-${CN}.img"
|
||||
umount "$BD/dev"
|
||||
umount "$BD/proc"
|
||||
umount "$BD/sys"
|
||||
umount "$BD/boot"
|
||||
umount "$BD"
|
||||
vgchange -an vmvg0
|
||||
for LODEV in /dev/loop* ; do
|
||||
losetup -d $LODEV 2> /dev/null
|
||||
done
|
||||
for LODEV in /dev/mapper/loop*p1 ; do
|
||||
S=${LODEV#/dev/mapper/}
|
||||
S=${S%p1}
|
||||
kpartx -dv /dev/$S
|
||||
losetup -d /dev/$S
|
||||
unset S
|
||||
done
|
||||
for LODEV in /dev/loop* ; do
|
||||
losetup -d $LODEV 2> /dev/null
|
||||
done
|
||||
rm "$IM"
|
||||
rmdir "$BD"
|
||||
exit 127
|
||||
fi
|
||||
mv /tmp/*${CN}64.qcow2 $OLDPWD
|
||||
done
|
||||
exit 0
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user