more progress on build_kvm
This commit is contained in:
Anthony Young
parent
f6f52270a9
commit
fa4b5eba20
2 changed files with 115 additions and 43 deletions
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@ -1,18 +1,32 @@
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#!/usr/bin/env bash
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UBUNTU_VERSION=`cat /etc/lsb-release | grep CODENAME | sed 's/.*=//g'`
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if [ ! "oneiric" = "$UBUNTU_VERSION" ]; then
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echo "This script only works with oneiric"
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exit 1
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fi
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# Echo commands
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set -o xtrace
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# Keep track of the current directory
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TOOLS_DIR=$(cd $(dirname "$0") && pwd)
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TOP_DIR=$TOOLS_DIR/..
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# Configure the root password of the vm
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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 $UEC_DIR
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# Where to store files and instances
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KVMSTACK_DIR=${KVMSTACK_DIR:-/opt/kvmstack}
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# Where to store images
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IMAGES_DIR=$KVMSTACK_DIR/images
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# Create images dir
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mkdir -p $IMAGES_DIR
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# Move to top devstack dir
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cd ..
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cd $TOP_DIR
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# Abort if localrc is not set
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if [ ! -e ./localrc ]; then
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@ -24,26 +38,34 @@ fi
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# Source params
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source ./stackrc
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# Base image (oneiric by default)
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IMAGE_FNAME=natty.raw
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IMAGE_NAME=natty
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# Base image (natty by default)
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DIST_NAME=${DIST_NAME:-natty}
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IMAGE_FNAME=$DIST_NAME.raw
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BASE_IMAGE=$PERSIST_DIR/images/natty.raw
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BASE_IMAGE_COPY=$IMAGES_DIR/$IMAGE_NAME.raw.copy
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# Original version of built image
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BASE_IMAGE=$KVMSTACK_DIR/images/natty.raw
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# Copy of base image, which we pre-install with tasty treats
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BASE_IMAGE_COPY=$IMAGES_DIR/$DIST_NAME.raw.copy
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# Name of our instance, used by libvirt
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VM_NAME=${VM_NAME:-kvmstack}
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# Mop up after previous runs
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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/$VM_NAME
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# Where this vm is stored
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VM_DIR=$KVMSTACK_DIR/instances/$VM_NAME
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# Create vm dir
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mkdir -p $VM_DIR
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# Where to mount
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# Mount point into copied base image
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COPY_DIR=$VM_DIR/copy
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mkdir -p $COPY_DIR
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# Create the base image if it does not yet exist
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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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@ -51,6 +73,12 @@ if [ ! -e $IMAGES_DIR/$IMAGE_FNAME ]; then
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cd $TOP_DIR
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fi
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# Create a copy of the base image
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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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# Unmount the copied base image
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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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@ -59,25 +87,22 @@ function unmount_images() {
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done
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}
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# unmount from failed runs
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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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# Ctrl-c catcher
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function kill_unmount() {
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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 $BASE_IMAGE_COPY
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fi
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# Install deps
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apt-get install -y kvm libvirt-bin kpartx
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apt-get install -y --force-yes kvm libvirt-bin kpartx
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# Let Ctrl-c kill tail and exit
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trap kill_tail SIGINT
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trap kill_unmount SIGINT
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# Where code will live in image
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# Where Openstack code will live in image
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DEST=${DEST:-/opt/stack}
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# Mount the file system
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@ -121,15 +146,20 @@ 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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# Back to devstack
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cd $TOP_DIR
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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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# Clean up old runs
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cd $VM_DIR
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rm -f $VM_DIR/disk
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cd $VM_DIR
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# Clean up old instance data
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qemu-img create -f qcow2 -b $BASE_IMAGE_COPY disk
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# Network configuration variables
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BRIDGE=${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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@ -138,7 +168,7 @@ 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 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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@ -146,11 +176,8 @@ cat > $LIBVIRT_XML <<EOF
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<memory>1524288</memory>
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<os>
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<type>hvm</type>
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<boot dev='hd'/>
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<bootmenu enable='yes'/>
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<!--
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<kernel>$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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@ -189,14 +216,18 @@ cat > $LIBVIRT_XML <<EOF
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</domain>
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EOF
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# Mount point for instance fs
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ROOTFS=$VM_DIR/root
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mkdir -p $ROOTFS
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# Make sure we have nbd-ness
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modprobe nbd max_part=63
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# Clean up from previous runs
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umount $ROOTFS || echo 'ok'
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qemu-nbd -d /dev/nbd5 || echo 'ok'
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# Mount the instance
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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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@ -213,15 +244,12 @@ iface eth0 inet static
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gateway $CONTAINER_GATEWAY
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EOF
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# User configuration for the instance
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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" >> $ROOTFS/etc/sudoers
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# Gracefully cp only if source file/dir exists
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@ -245,7 +273,6 @@ fi
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RUN_SH=$ROOTFS/$DEST/run.sh
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cat > $RUN_SH <<EOF
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#!/usr/bin/env bash
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sleep 1
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# Kill any existing screens
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killall screen
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@ -261,16 +288,22 @@ echo >> /$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 > $RC_LOCAL <<EOF
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#!/bin/sh -e
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# Reboot if this is our first run to enable console log on natty :(
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if [ ! -e /root/firstlaunch ]; then
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touch /root/firstlaunch
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# reboot
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exit 0
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fi
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su -c "$DEST/run.sh" stack
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EOF
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chmod +x $RC_LOCAL
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chroot $ROOTFS sudo update-rc.d local defaults 80
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# Make our ip address hostnames look nice at the command prompt
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echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS/$DEST/.bashrc
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@ -279,13 +312,52 @@ echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS
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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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# Change boot params so that we get a console log
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sudo sed -e "s/quiet splash/splash console=ttyS0 console=ttyS1,19200n8/g" -i $ROOTFS/boot/grub/menu.lst
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umount $ROOTFS
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# Unmount
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umount $ROOTFS || echo 'ok'
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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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# Create the instance
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cd $VM_DIR && virsh create libvirt.xml
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# Tail the console log till we are done
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WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-0}
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if [ "$WAIT_TILL_LAUNCH" = "1" ]; then
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# Done creating the container, let's tail the log
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echo
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echo "============================================================="
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echo " -- YAY! --"
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echo "============================================================="
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echo
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echo "We're done launching the vm, about to start tailing the"
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echo "stack.sh log. It will take a second or two to start."
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echo
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echo "Just CTRL-C at any time to stop tailing."
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while [ ! -e "$VM_DIR/console.log" ]; do
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sleep 1
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done
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tail -F $VM_DIR/console.log &
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TAIL_PID=$!
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function kill_tail() {
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kill $TAIL_PID
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exit 1
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}
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# Let Ctrl-c kill tail and exit
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trap kill_tail SIGINT
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echo "Waiting stack.sh to finish..."
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while ! cat $VM_DIR/console.log | grep -q 'stack.sh completed' ; do
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sleep 5
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done
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kill $TAIL_PID
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echo ""
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echo "Finished - Zip-a-dee Doo-dah!"
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fi
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@ -110,7 +110,7 @@ esac
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# Install stuff if necessary
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if [ -z `which vmbuilder` ]; then
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sudo apt-get install ubuntu-vm-builder
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sudo apt-get install -y ubuntu-vm-builder
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fi
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if [ -n "$CHROOTONLY" ]; then
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