From fa4b5eba2077889c4217df69dfdc15a2a123bb0a Mon Sep 17 00:00:00 2001 From: Anthony Young Date: Wed, 19 Oct 2011 11:27:02 -0700 Subject: [PATCH] more progress on build_kvm --- tools/build_kvm.sh | 156 ++++++++++++++++++++++++++++++++------------ tools/make_image.sh | 2 +- 2 files changed, 115 insertions(+), 43 deletions(-) diff --git a/tools/build_kvm.sh b/tools/build_kvm.sh index 3dd5d79..54be471 100755 --- a/tools/build_kvm.sh +++ b/tools/build_kvm.sh @@ -1,18 +1,32 @@ #!/usr/bin/env bash +UBUNTU_VERSION=`cat /etc/lsb-release | grep CODENAME | sed 's/.*=//g'` +if [ ! "oneiric" = "$UBUNTU_VERSION" ]; then + echo "This script only works with oneiric" + exit 1 +fi + # Echo commands set -o xtrace # Keep track of the current directory TOOLS_DIR=$(cd $(dirname "$0") && pwd) +TOP_DIR=$TOOLS_DIR/.. +# Configure the root password of the vm ROOT_PASSWORD=${ROOT_PASSWORD:password} -PERSIST_DIR=${PERSIST_DIR:-/opt/kvmstack} -IMAGES_DIR=$PERSIST_DIR/images -mkdir -p $UEC_DIR + +# Where to store files and instances +KVMSTACK_DIR=${KVMSTACK_DIR:-/opt/kvmstack} + +# Where to store images +IMAGES_DIR=$KVMSTACK_DIR/images + +# Create images dir +mkdir -p $IMAGES_DIR # Move to top devstack dir -cd .. +cd $TOP_DIR # Abort if localrc is not set if [ ! -e ./localrc ]; then @@ -24,26 +38,34 @@ fi # Source params source ./stackrc -# Base image (oneiric by default) -IMAGE_FNAME=natty.raw -IMAGE_NAME=natty +# Base image (natty by default) +DIST_NAME=${DIST_NAME:-natty} +IMAGE_FNAME=$DIST_NAME.raw -BASE_IMAGE=$PERSIST_DIR/images/natty.raw -BASE_IMAGE_COPY=$IMAGES_DIR/$IMAGE_NAME.raw.copy +# Original version of built image +BASE_IMAGE=$KVMSTACK_DIR/images/natty.raw +# Copy of base image, which we pre-install with tasty treats +BASE_IMAGE_COPY=$IMAGES_DIR/$DIST_NAME.raw.copy + +# Name of our instance, used by libvirt VM_NAME=${VM_NAME:-kvmstack} + +# Mop up after previous runs virsh shutdown $VM_NAME virsh destroy $VM_NAME -VM_DIR=$PERSIST_DIR/instances/$VM_NAME +# Where this vm is stored +VM_DIR=$KVMSTACK_DIR/instances/$VM_NAME +# Create vm dir mkdir -p $VM_DIR -# Where to mount +# Mount point into copied base image COPY_DIR=$VM_DIR/copy mkdir -p $COPY_DIR - +# Create the base image if it does not yet exist if [ ! -e $IMAGES_DIR/$IMAGE_FNAME ]; then cd $TOOLS_DIR ./make_image.sh -m -r 5000 natty raw @@ -51,6 +73,12 @@ if [ ! -e $IMAGES_DIR/$IMAGE_FNAME ]; then cd $TOP_DIR fi +# Create a copy of the base image +if [ ! -e $BASE_IMAGE_COPY ]; then + cp -p $BASE_IMAGE $BASE_IMAGE_COPY +fi + +# Unmount the copied base image function unmount_images() { # unmount the filesystem while df | grep -q $COPY_DIR; do @@ -59,25 +87,22 @@ function unmount_images() { done } -# unmount from failed runs +# Unmount from failed runs unmount_images -function kill_tail() { +# Ctrl-c catcher +function kill_unmount() { unmount_images exit 1 } -if [ ! -e $BASE_IMAGE_COPY ]; then - cp -p $BASE_IMAGE $BASE_IMAGE_COPY -fi - # Install deps -apt-get install -y kvm libvirt-bin kpartx +apt-get install -y --force-yes kvm libvirt-bin kpartx # Let Ctrl-c kill tail and exit -trap kill_tail SIGINT +trap kill_unmount SIGINT -# Where code will live in image +# Where Openstack code will live in image DEST=${DEST:-/opt/stack} # Mount the file system @@ -121,15 +146,20 @@ git_clone $OPENSTACKX_REPO $COPY_DIR/$DEST/openstackx $OPENSTACKX_BRANCH git_clone $KEYSTONE_REPO $COPY_DIR/$DEST/keystone $KEYSTONE_BRANCH git_clone $NOVNC_REPO $COPY_DIR/$DEST/noVNC $NOVNC_BRANCH -# unmount the filesystems +# Back to devstack +cd $TOP_DIR + +# Unmount the filesystems unmount_images -rm -f $VM_DIR/kernel +# Clean up old runs +cd $VM_DIR rm -f $VM_DIR/disk -cd $VM_DIR +# Clean up old instance data qemu-img create -f qcow2 -b $BASE_IMAGE_COPY disk +# Network configuration variables BRIDGE=${BRIDGE:-br0} CONTAINER=${CONTAINER:-STACK} CONTAINER_IP=${CONTAINER_IP:-192.168.1.50} @@ -138,7 +168,7 @@ CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0} CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1} CONTAINER_MAC=${CONTAINER_MAC:-02:16:3e:07:70:d7} -# Create configuration +# libvirt.xml configuration LIBVIRT_XML=libvirt.xml cat > $LIBVIRT_XML < @@ -146,11 +176,8 @@ cat > $LIBVIRT_XML <1524288 hvm + - @@ -189,14 +216,18 @@ cat > $LIBVIRT_XML < EOF +# Mount point for instance fs ROOTFS=$VM_DIR/root mkdir -p $ROOTFS +# Make sure we have nbd-ness modprobe nbd max_part=63 +# Clean up from previous runs umount $ROOTFS || echo 'ok' qemu-nbd -d /dev/nbd5 || echo 'ok' +# Mount the instance qemu-nbd -c /dev/nbd5 disk mount /dev/nbd5 $ROOTFS -o offset=32256 -t ext4 @@ -213,15 +244,12 @@ iface eth0 inet static gateway $CONTAINER_GATEWAY EOF +# User configuration for the instance chroot $ROOTFS groupadd libvirtd chroot $ROOTFS useradd stack -s /bin/bash -d $DEST -G libvirtd cp -pr $TOOLS_DIR/.. $ROOTFS/$DEST/devstack echo "root:$ROOT_PASSWORD" | chroot $ROOTFS chpasswd - -# a simple password - pass echo "stack:pass" | chroot $ROOTFS chpasswd - -# stack requires) echo "stack ALL=(ALL) NOPASSWD: ALL" >> $ROOTFS/etc/sudoers # Gracefully cp only if source file/dir exists @@ -245,7 +273,6 @@ fi RUN_SH=$ROOTFS/$DEST/run.sh cat > $RUN_SH <> /$DEST/run.sh.log echo >> /$DEST/run.sh.log echo "All done! Time to start clicking." >> /$DEST/run.sh.log EOF - -# Make the run.sh executable chmod 755 $RUN_SH # Make runner launch on boot RC_LOCAL=$ROOTFS/etc/init.d/local cat > $RC_LOCAL <> $ROOTFS/$DEST/.bashrc @@ -279,13 +312,52 @@ echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS # Give stack ownership over $DEST so it may do the work needed chroot $ROOTFS chown -R stack $DEST -chmod +x $RC_LOCAL -chroot $ROOTFS sudo update-rc.d local defaults 80 - +# Change boot params so that we get a console log sudo sed -e "s/quiet splash/splash console=ttyS0 console=ttyS1,19200n8/g" -i $ROOTFS/boot/grub/menu.lst -umount $ROOTFS +# Unmount +umount $ROOTFS || echo 'ok' qemu-nbd -d /dev/nbd5 -cd $VM_DIR -virsh create libvirt.xml +# Create the instance +cd $VM_DIR && virsh create libvirt.xml + +# Tail the console log till we are done +WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-0} +if [ "$WAIT_TILL_LAUNCH" = "1" ]; then + # Done creating the container, let's tail the log + echo + echo "=============================================================" + echo " -- YAY! --" + echo "=============================================================" + echo + echo "We're done launching the vm, about to start tailing the" + echo "stack.sh log. It will take a second or two to start." + echo + echo "Just CTRL-C at any time to stop tailing." + + while [ ! -e "$VM_DIR/console.log" ]; do + sleep 1 + done + + tail -F $VM_DIR/console.log & + + TAIL_PID=$! + + function kill_tail() { + kill $TAIL_PID + exit 1 + } + + # Let Ctrl-c kill tail and exit + trap kill_tail SIGINT + + echo "Waiting stack.sh to finish..." + while ! cat $VM_DIR/console.log | grep -q 'stack.sh completed' ; do + sleep 5 + done + + kill $TAIL_PID + echo "" + echo "Finished - Zip-a-dee Doo-dah!" +fi diff --git a/tools/make_image.sh b/tools/make_image.sh index 0d5074b..32d59bd 100755 --- a/tools/make_image.sh +++ b/tools/make_image.sh @@ -110,7 +110,7 @@ esac # Install stuff if necessary if [ -z `which vmbuilder` ]; then - sudo apt-get install ubuntu-vm-builder + sudo apt-get install -y ubuntu-vm-builder fi if [ -n "$CHROOTONLY" ]; then