add build_kvm file
This commit is contained in:
Anthony Young
parent
78bd0cbd98
commit
1b7a42e075
288
tools/build_kvm.sh
Executable file
288
tools/build_kvm.sh
Executable file
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#!/usr/bin/env bash
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# Echo commands
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set -o xtrace
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# Keep track of the current directory
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TOOLS_DIR=$(cd $(dirname "$0") && pwd)
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ROOT_PASSWORD=${ROOT_PASSWORD:password}
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PERSIST_DIR=${PERSIST_DIR:-/opt/kvmstack}
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IMAGES_DIR=$PERSIST_DIR/images
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mkdir -p $UEC_DIR
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# Move to top devstack dir
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cd ..
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# Abort if localrc is not set
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if [ ! -e ./localrc ]; then
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echo "You must have a localrc with ALL necessary passwords defined before proceeding."
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echo "See stack.sh for required passwords."
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exit 1
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fi
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# Source params
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source ./stackrc
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# Base image (oneiric by default)
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IMAGE_FNAME=natty.raw
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IMAGE_NAME=natty
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BASE_IMAGE=$PERSIST_DIR/images/natty.raw
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BASE_IMAGE_COPY=$IMAGES_DIR/$IMAGE_NAME.raw.copy
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VM_NAME=${VM_NAME:-kvmstack}
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virsh shutdown $VM_NAME
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virsh destroy $VM_NAME
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VM_DIR=$PERSIST_DIR/instances/$VM_NAME
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mkdir -p $VM_DIR
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# Where to mount
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COPY_DIR=$VM_DIR/copy
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mkdir -p $COPY_DIR
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if [ ! -e $IMAGES_DIR/$IMAGE_FNAME ]; then
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cd $TOOLS_DIR
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./make_image.sh -m -r 5000 natty raw
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mv natty.raw $BASE_IMAGE
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cd $TOP_DIR
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fi
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function unmount_images() {
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# unmount the filesystem
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while df | grep -q $COPY_DIR; do
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umount $COPY_DIR || echo 'ok'
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sleep 1
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done
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}
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# unmount from failed runs
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unmount_images
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function kill_tail() {
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unmount_images
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exit 1
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}
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if [ ! -e $BASE_IMAGE_COPY ]; then
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cp -p $BASE_IMAGE $BASE_IMAGE_COPY
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fi
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# Install deps
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apt-get install -y kvm libvirt-bin kpartx
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# Let Ctrl-c kill tail and exit
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trap kill_tail SIGINT
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# Where code will live in image
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DEST=${DEST:-/opt/stack}
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# Mount the file system
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mount -o loop,offset=32256 $BASE_IMAGE_COPY $COPY_DIR
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# git clone only if directory doesn't exist already. Since ``DEST`` might not
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# be owned by the installation user, we create the directory and change the
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# ownership to the proper user.
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function git_clone {
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if [ ! -d $2 ]; then
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sudo mkdir $2
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sudo chown `whoami` $2
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git clone $1 $2
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cd $2
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# This checkout syntax works for both branches and tags
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git checkout $3
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fi
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}
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# Make sure that base requirements are installed
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cp /etc/resolv.conf $COPY_DIR/etc/resolv.conf
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chroot $COPY_DIR apt-get update
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chroot $COPY_DIR apt-get install -y --force-yes `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
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chroot $COPY_DIR apt-get install -y --download-only rabbitmq-server libvirt-bin mysql-server
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chroot $COPY_DIR pip install `cat files/pips/*`
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# Clean out code repos if directed to do so
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if [ "$CLEAN" = "1" ]; then
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rm -rf $COPY_DIR/$DEST
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fi
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# Cache openstack code
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mkdir -p $COPY_DIR/$DEST
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git_clone $NOVA_REPO $COPY_DIR/$DEST/nova $NOVA_BRANCH
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git_clone $GLANCE_REPO $COPY_DIR/$DEST/glance $GLANCE_BRANCH
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git_clone $KEYSTONE_REPO $COPY_DIR/$DESTkeystone $KEYSTONE_BRANCH
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git_clone $NOVNC_REPO $COPY_DIR/$DEST/noVNC $NOVNC_BRANCH
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git_clone $DASH_REPO $COPY_DIR/$DEST/dash $DASH_BRANCH $DASH_TAG
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git_clone $NOVACLIENT_REPO $COPY_DIR/$DEST/python-novaclient $NOVACLIENT_BRANCH
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git_clone $OPENSTACKX_REPO $COPY_DIR/$DEST/openstackx $OPENSTACKX_BRANCH
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git_clone $KEYSTONE_REPO $COPY_DIR/$DEST/keystone $KEYSTONE_BRANCH
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git_clone $NOVNC_REPO $COPY_DIR/$DEST/noVNC $NOVNC_BRANCH
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# unmount the filesystems
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unmount_images
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rm -f $VM_DIR/kernel
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rm -f $VM_DIR/disk
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cd $VM_DIR
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qemu-img create -f qcow2 -b $BASE_IMAGE_COPY disk
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BRIDGE=${BRIDGE:-br0}
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CONTAINER=${CONTAINER:-STACK}
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CONTAINER_IP=${CONTAINER_IP:-192.168.1.50}
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CONTAINER_CIDR=${CONTAINER_CIDR:-$CONTAINER_IP/24}
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CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
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CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
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CONTAINER_MAC=${CONTAINER_MAC:-02:16:3e:07:70:d7}
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# Create configuration
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LIBVIRT_XML=libvirt.xml
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cat > $LIBVIRT_XML <<EOF
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<domain type='kvm'>
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<name>$VM_NAME</name>
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<memory>1524288</memory>
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<os>
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<type>hvm</type>
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<!--
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<kernel>$VM_DIR/kernel</kernel>
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<cmdline>root=/dev/vda console=ttyS0</cmdline>
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-->
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</os>
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<features>
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<acpi/>
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</features>
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<vcpu>1</vcpu>
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<devices>
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<disk type='file'>
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<driver type='qcow2'/>
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<source file='$VM_DIR/disk'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<interface type='bridge'>
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<source bridge='$BRIDGE'/>
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<mac address='$CONTAINER_MAC'/>
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</interface>
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<!-- The order is significant here. File must be defined first -->
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<serial type="file">
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<source path='$VM_DIR/console.log'/>
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<target port='1'/>
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</serial>
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<console type='pty' tty='/dev/pts/2'>
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<source path='/dev/pts/2'/>
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<target port='0'/>
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</console>
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<serial type='pty'>
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<source path='/dev/pts/2'/>
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<target port='0'/>
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</serial>
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<graphics type='vnc' port='-1' autoport='yes' keymap='en-us' listen='0.0.0.0'/>
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</devices>
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</domain>
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EOF
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ROOTFS=$VM_DIR/root
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mkdir -p $ROOTFS
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modprobe nbd max_part=63
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umount $ROOTFS || echo 'ok'
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qemu-nbd -d /dev/nbd5 || echo 'ok'
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qemu-nbd -c /dev/nbd5 disk
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mount /dev/nbd5 $ROOTFS -o offset=32256 -t ext4
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# Configure instance network
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INTERFACES=$ROOTFS/etc/network/interfaces
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cat > $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 static
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address $CONTAINER_IP
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netmask $CONTAINER_NETMASK
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gateway $CONTAINER_GATEWAY
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EOF
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chroot $ROOTFS groupadd libvirtd
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chroot $ROOTFS useradd stack -s /bin/bash -d $DEST -G libvirtd
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cp -pr $TOOLS_DIR/.. $ROOTFS/$DEST/devstack
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echo "root:$ROOT_PASSWORD" | chroot $ROOTFS chpasswd
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# a simple password - pass
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echo "stack:pass" | chroot $ROOTFS chpasswd
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# stack requires)
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echo "stack ALL=(ALL) NOPASSWD: ALL" >> $ROOTFS/etc/sudoers
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# Gracefully cp only if source file/dir exists
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function cp_it {
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if [ -e $1 ] || [ -d $1 ]; then
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cp -pRL $1 $2
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fi
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}
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# Copy over your ssh keys and env if desired
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COPYENV=${COPYENV:-1}
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if [ "$COPYENV" = "1" ]; then
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cp_it ~/.ssh $ROOTFS/$DEST/.ssh
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cp_it ~/.ssh/id_rsa.pub $ROOTFS/$DEST/.ssh/authorized_keys
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cp_it ~/.gitconfig $ROOTFS/$DEST/.gitconfig
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cp_it ~/.vimrc $ROOTFS/$DEST/.vimrc
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cp_it ~/.bashrc $ROOTFS/$DEST/.bashrc
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fi
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# Configure the runner
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RUN_SH=$ROOTFS/$DEST/run.sh
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cat > $RUN_SH <<EOF
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#!/usr/bin/env bash
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sleep 1
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# Kill any existing screens
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killall screen
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# Install and run stack.sh
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sudo apt-get update
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sudo apt-get -y --force-yes install git-core vim-nox sudo
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if [ ! -d "$DEST/devstack" ]; then
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git clone git://github.com/cloudbuilders/devstack.git $DEST/devstack
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fi
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cd $DEST/devstack && $STACKSH_PARAMS FORCE=yes ./stack.sh > /$DEST/run.sh.log
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echo >> /$DEST/run.sh.log
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echo >> /$DEST/run.sh.log
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echo "All done! Time to start clicking." >> /$DEST/run.sh.log
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EOF
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# Make the run.sh executable
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chmod 755 $RUN_SH
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# Make runner launch on boot
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RC_LOCAL=$ROOTFS/etc/init.d/local
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cat > $RC_LOCAL <<EOF
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#!/bin/sh -e
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su -c "$DEST/run.sh" stack
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EOF
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# Make our ip address hostnames look nice at the command prompt
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echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS/$DEST/.bashrc
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echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS/etc/profile
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# Give stack ownership over $DEST so it may do the work needed
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chroot $ROOTFS chown -R stack $DEST
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chmod +x $RC_LOCAL
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chroot $ROOTFS sudo update-rc.d local defaults 80
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umount $ROOTFS
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qemu-nbd -d /dev/nbd5
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cd $VM_DIR
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virsh create libvirt.xml
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