convert build_kvm to build_libvirt - using libvirt net
This commit is contained in:
Jesse Andrews
parent
7fd53b3de9
commit
e97a2e79b9
1 changed files with 414 additions and 0 deletions
414
tools/build_libvirt.sh
Executable file
414
tools/build_libvirt.sh
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#!/usr/bin/env bash
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# exit on error to stop unexpected errors
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set -o errexit
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# Make sure that we have the proper version of ubuntu
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UBUNTU_VERSION=`cat /etc/lsb-release | grep CODENAME | sed 's/.*=//g'`
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if [ ! "oneiric" = "$UBUNTU_VERSION" ]; then
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if [ ! "natty" = "$UBUNTU_VERSION" ]; then
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echo "This script only works with oneiric and natty"
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exit 1
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fi
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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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# Where to store files and instances
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WORK_DIR=${WORK_DIR:-$TOP_DIR/work}
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# Where to store images
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IMAGES_DIR=$WORK_DIR/images
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# Create images dir
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mkdir -p $IMAGES_DIR
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# Abort if localrc is not set
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if [ ! -e $TOP_DIR/localrc ]; then
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echo "You must have a localrc with ALL necessary passwords defined before proceeding."
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echo "See stack.sh for required passwords."
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exit 1
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fi
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# Source params
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source ./stackrc
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# Configure the root password of the vm to be the same as ``ADMIN_PASSWORD``
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ROOT_PASSWORD=${ADMIN_PASSWORD:-password}
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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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# Name of our instance, used by libvirt
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GUEST_NAME=${GUEST_NAME:-devstack}
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# Original version of built image
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BASE_IMAGE=$WORK_DIR/images/$DIST_NAME.raw
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# Copy of base image, which we pre-install with tasty treats
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VM_IMAGE=$IMAGES_DIR/$DIST_NAME.$GUEST_NAME.raw
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# Mop up after previous runs
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virsh destroy $GUEST_NAME || true
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# Where this vm is stored
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VM_DIR=$WORK_DIR/instances/$GUEST_NAME
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# Create vm dir
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mkdir -p $VM_DIR
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# Mount point into copied base image
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COPY_DIR=$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 $DIST_NAME raw
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mv $DIST_NAME.raw $BASE_IMAGE
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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 $VM_IMAGE ]; then
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cp -p $BASE_IMAGE $VM_IMAGE
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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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umount $COPY_DIR || echo 'ok'
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sleep 1
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done
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}
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# Unmount from failed runs
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unmount_images
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# Ctrl-c catcher
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function kill_unmount() {
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unmount_images
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exit 1
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}
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# Install deps if needed
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dpkg -l kvm libvirt-bin kpartx || apt-get install -y --force-yes kvm libvirt-bin kpartx
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# Let Ctrl-c kill tail and exit
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trap kill_unmount SIGINT
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# Where Openstack code will live in image
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DEST=${DEST:-/opt/stack}
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# Mount the file system
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mount -o loop,offset=32256 $VM_IMAGE $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 $HORIZON_REPO $COPY_DIR/$DEST/horizon $HORIZON_BRANCH $HORIZON_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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# Back to devstack
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cd $TOP_DIR
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# Unmount the filesystems
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unmount_images
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# Network configuration variables
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BRIDGE=${BRIDGE:-br0}
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GUEST_NETWORK=${GUEST_NETWORK:-1}
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GUEST_IP=${GUEST_IP:-192.168.$GUEST_NETWORK.50}
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GUEST_CIDR=${GUEST_CIDR:-$GUEST_IP/24}
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GUEST_NETMASK=${GUEST_NETMASK:-255.255.255.0}
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GUEST_GATEWAY=${GUEST_GATEWAY:-192.168.$GUEST_NETWORK.1}
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GUEST_MAC=${GUEST_MAC:-"02:16:3e:07:69:`printf '%02X' $GUEST_NETWORK`"}
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GUEST_RAM=${GUEST_RAM:-1524288}
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GUEST_CORES=${GUEST_CORES:-1}
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# libvirt.xml configuration
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NET_XML=$VM_DIR/net.xml
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cat > $NET_XML <<EOF
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<network>
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<name>devstack-$GUEST_NETWORK</name>
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<bridge name="stackbr%d" />
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<forward/>
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<ip address="$GUEST_GATEWAY" netmask="$GUEST_NETMASK" />
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</network>
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EOF
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virsh net-destroy devstack-$GUEST_NETWORK || true
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virsh net-create $VM_DIR/net.xml
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# libvirt.xml configuration
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LIBVIRT_XML=$VM_DIR/libvirt.xml
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cat > $LIBVIRT_XML <<EOF
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<domain type='kvm'>
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<name>$GUEST_NAME</name>
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<memory>$GUEST_RAM</memory>
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<os>
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<type>hvm</type>
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<bootmenu enable='yes'/>
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</os>
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<features>
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<acpi/>
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</features>
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<vcpu>$GUEST_CORES</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='$VM_DIR/disk'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<interface type='network'>
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<source network='devstack-$GUEST_NETWORK'/>
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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='$VM_DIR/console.log'/>
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<target port='1'/>
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</serial>
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<console type='pty' tty='/dev/pts/2'>
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<source path='/dev/pts/2'/>
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<target port='0'/>
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</console>
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<serial type='pty'>
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<source path='/dev/pts/2'/>
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<target port='0'/>
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</serial>
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<graphics type='vnc' port='-1' autoport='yes' keymap='en-us' listen='0.0.0.0'/>
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</devices>
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</domain>
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EOF
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# Mount point for instance fs
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ROOTFS=$VM_DIR/root
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mkdir -p $ROOTFS
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# Make sure we have nbd-ness
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modprobe nbd max_part=63
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# Which NBD device to use?
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NBD=${NBD:-/dev/nbd5}
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# Clean up from previous runs
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umount $ROOTFS || echo 'ok'
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qemu-nbd -d $NBD || echo 'ok'
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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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# Create our instance fs
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qemu-img create -f qcow2 -b $VM_IMAGE disk
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# Connect our nbd and wait till it is mountable
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qemu-nbd -c $NBD disk
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NBD_DEV=`basename $NBD`
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if ! timeout 60 sh -c "while ! [ -e /sys/block/$NBD_DEV/pid ]; do sleep 1; done"; then
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echo "Couldn't connect $NBD"
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exit 1
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fi
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# Mount the instance
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mount $NBD $ROOTFS -o offset=32256 -t ext4
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# Configure instance network
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INTERFACES=$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 $GUEST_IP
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netmask $GUEST_NETMASK
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gateway $GUEST_GATEWAY
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EOF
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# User configuration for the instance
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chroot $ROOTFS groupadd libvirtd || true
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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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echo "stack:pass" | chroot $ROOTFS chpasswd
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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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# pre-cache uec images
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for image_url in ${IMAGE_URLS//,/ }; do
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IMAGE_FNAME=`basename "$image_url"`
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if [ ! -f $IMAGES_DIR/$IMAGE_FNAME ]; then
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wget -c $image_url -O $IMAGES_DIR/$IMAGE_FNAME
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fi
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cp $IMAGES_DIR/$IMAGE_FNAME $ROOTFS/$DEST/devstack/files
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done
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# Configure the runner
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RUN_SH=$ROOTFS/$DEST/run.sh
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cat > $RUN_SH <<EOF
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#!/usr/bin/env bash
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# Kill any existing screens
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killall screen
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# Install and run stack.sh
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sudo apt-get update
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sudo apt-get -y --force-yes install git-core vim-nox sudo
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if [ ! -d "$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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cat $DEST/run.sh.log
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EOF
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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 $DIST_NAME :(
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if [ ! -e /root/firstlaunch ]; then
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touch /root/firstlaunch
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reboot -f
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exit 0
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fi
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su -c "$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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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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# 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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sudo sed -e "s/^hiddenmenu//g" -i $ROOTFS/boot/grub/menu.lst
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# Set the hostname
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echo $GUEST_NAME > $ROOTFS/etc/hostname
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# We need the hostname to resolve for rabbit to launch
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if ! grep -q $GUEST_NAME $ROOTFS/etc/hosts; then
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echo "$GUEST_IP $GUEST_NAME" >> $ROOTFS/etc/hosts
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fi
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# Unmount
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umount $ROOTFS || echo 'ok'
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qemu-nbd -d $NBD
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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:-1}
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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 'All done' ; do
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sleep 5
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done
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kill $TAIL_PID
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if grep -q "stack.sh failed" $VM_DIR/console.log; then
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exit 1
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fi
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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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