#!/usr/bin/env bash # **build_uec.sh** # Make sure that we have the proper version of ubuntu (only works on oneiric) if ! egrep -q "oneiric" /etc/lsb-release; then echo "This script only works with ubuntu oneiric." exit 1 fi # Keep track of the current directory TOOLS_DIR=$(cd $(dirname "$0") && pwd) TOP_DIR=$(cd $TOOLS_DIR/..; pwd) # Import common functions . $TOP_DIR/functions cd $TOP_DIR # Source params source ./stackrc # Ubuntu distro to install DIST_NAME=${DIST_NAME:-oneiric} # Configure how large the VM should be GUEST_SIZE=${GUEST_SIZE:-10G} # exit on error to stop unexpected errors set -o errexit set -o xtrace # Abort if localrc is not set if [ ! -e $TOP_DIR/localrc ]; then echo "You must have a localrc with ALL necessary passwords defined before proceeding." echo "See stack.sh for required passwords." exit 1 fi # Install deps if needed DEPS="kvm libvirt-bin kpartx cloud-utils curl" apt_get install -y --force-yes $DEPS || true # allow this to fail gracefully for concurrent builds # Where to store files and instances WORK_DIR=${WORK_DIR:-/opt/uecstack} # Where to store images image_dir=$WORK_DIR/images/$DIST_NAME mkdir -p $image_dir # Start over with a clean base image, if desired if [ $CLEAN_BASE ]; then rm -f $image_dir/disk fi # Get the base image if it does not yet exist if [ ! -e $image_dir/disk ]; then $TOOLS_DIR/get_uec_image.sh -r $GUEST_SIZE $DIST_NAME $image_dir/disk $image_dir/kernel fi # Copy over dev environment if COPY_ENV is set. # This will also copy over your current devstack. if [ $COPY_ENV ]; then cd $TOOLS_DIR ./copy_dev_environment_to_uec.sh $image_dir/disk fi # Option to warm the base image with software requirements. if [ $WARM_CACHE ]; then cd $TOOLS_DIR ./warm_apts_for_uec.sh $image_dir/disk fi # Name of our instance, used by libvirt GUEST_NAME=${GUEST_NAME:-devstack} # Mop up after previous runs virsh destroy $GUEST_NAME || true # Where this vm is stored vm_dir=$WORK_DIR/instances/$GUEST_NAME # Create vm dir and remove old disk mkdir -p $vm_dir rm -f $vm_dir/disk # Create a copy of the base image qemu-img create -f qcow2 -b $image_dir/disk $vm_dir/disk # Back to devstack cd $TOP_DIR GUEST_NETWORK=${GUEST_NETWORK:-1} GUEST_RECREATE_NET=${GUEST_RECREATE_NET:-yes} GUEST_IP=${GUEST_IP:-192.168.$GUEST_NETWORK.50} GUEST_CIDR=${GUEST_CIDR:-$GUEST_IP/24} GUEST_NETMASK=${GUEST_NETMASK:-255.255.255.0} GUEST_GATEWAY=${GUEST_GATEWAY:-192.168.$GUEST_NETWORK.1} GUEST_MAC=${GUEST_MAC:-"02:16:3e:07:69:`printf '%02X' $GUEST_NETWORK`"} GUEST_RAM=${GUEST_RAM:-1524288} GUEST_CORES=${GUEST_CORES:-1} # libvirt.xml configuration NET_XML=$vm_dir/net.xml NET_NAME=${NET_NAME:-devstack-$GUEST_NETWORK} cat > $NET_XML <<EOF <network> <name>$NET_NAME</name> <bridge name="stackbr%d" /> <forward/> <ip address="$GUEST_GATEWAY" netmask="$GUEST_NETMASK"> <dhcp> <range start='192.168.$GUEST_NETWORK.2' end='192.168.$GUEST_NETWORK.127' /> </dhcp> </ip> </network> EOF if [[ "$GUEST_RECREATE_NET" == "yes" ]]; then virsh net-destroy $NET_NAME || true # destroying the network isn't enough to delete the leases rm -f /var/lib/libvirt/dnsmasq/$NET_NAME.leases virsh net-create $vm_dir/net.xml fi # libvirt.xml configuration LIBVIRT_XML=$vm_dir/libvirt.xml cat > $LIBVIRT_XML <<EOF <domain type='kvm'> <name>$GUEST_NAME</name> <memory>$GUEST_RAM</memory> <os> <type>hvm</type> <kernel>$image_dir/kernel</kernel> <cmdline>root=/dev/vda ro console=ttyS0 init=/usr/lib/cloud-init/uncloud-init ds=nocloud-net;s=http://192.168.$GUEST_NETWORK.1:4567/ ubuntu-pass=ubuntu</cmdline> </os> <features> <acpi/> </features> <clock offset='utc'/> <vcpu>$GUEST_CORES</vcpu> <devices> <disk type='file'> <driver type='qcow2'/> <source file='$vm_dir/disk'/> <target dev='vda' bus='virtio'/> </disk> <interface type='network'> <source network='$NET_NAME'/> </interface> <!-- The order is significant here. File must be defined first --> <serial type="file"> <source path='$vm_dir/console.log'/> <target port='1'/> </serial> <console type='pty' tty='/dev/pts/2'> <source path='/dev/pts/2'/> <target port='0'/> </console> <serial type='pty'> <source path='/dev/pts/2'/> <target port='0'/> </serial> <graphics type='vnc' port='-1' autoport='yes' keymap='en-us' listen='0.0.0.0'/> </devices> </domain> EOF rm -rf $vm_dir/uec cp -r $TOOLS_DIR/uec $vm_dir/uec # set metadata cat > $vm_dir/uec/meta-data<<EOF hostname: $GUEST_NAME instance-id: i-hop instance-type: m1.ignore local-hostname: $GUEST_NAME.local EOF # set user-data cat > $vm_dir/uec/user-data<<EOF #!/bin/bash # hostname needs to resolve for rabbit sed -i "s/127.0.0.1/127.0.0.1 \`hostname\`/" /etc/hosts apt-get update apt-get install git sudo -y # Disable byobu sudo apt-get remove -y byobu EOF # Setup stack user with our key if [[ -e ~/.ssh/id_rsa.pub ]]; then PUB_KEY=`cat ~/.ssh/id_rsa.pub` cat >> $vm_dir/uec/user-data<<EOF mkdir -p /opt/stack if [ ! -d /opt/stack/devstack ]; then git clone https://github.com/cloudbuilders/devstack.git /opt/stack/devstack cd /opt/stack/devstack cat > localrc <<LOCAL_EOF ROOTSLEEP=0 `cat $TOP_DIR/localrc` LOCAL_EOF fi useradd -U -G sudo -s /bin/bash -d /opt/stack -m $STACK_USER echo $STACK_USER:pass | chpasswd mkdir -p /opt/stack/.ssh echo "$PUB_KEY" > /opt/stack/.ssh/authorized_keys chown -R $STACK_USER /opt/stack chmod 700 /opt/stack/.ssh chmod 600 /opt/stack/.ssh/authorized_keys grep -q "^#includedir.*/etc/sudoers.d" /etc/sudoers || echo "#includedir /etc/sudoers.d" >> /etc/sudoers ( umask 226 && echo "stack ALL=(ALL) NOPASSWD:ALL" \ > /etc/sudoers.d/50_stack_sh ) EOF fi # Run stack.sh cat >> $vm_dir/uec/user-data<<EOF sudo -u $STACK_USER bash -l -c "cd /opt/stack/devstack && ./stack.sh" EOF # (re)start a metadata service ( pid=`lsof -iTCP@192.168.$GUEST_NETWORK.1:4567 -n | awk '{print $2}' | tail -1` [ -z "$pid" ] || kill -9 $pid ) cd $vm_dir/uec python meta.py 192.168.$GUEST_NETWORK.1:4567 & # Create the instance virsh create $vm_dir/libvirt.xml # Tail the console log till we are done WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1} if [ "$WAIT_TILL_LAUNCH" = "1" ]; then set +o xtrace # Done creating the container, let's tail the log echo echo "=============================================================" echo " -- YAY! --" echo "=============================================================" echo echo "We're done launching the vm, about to start tailing the" echo "stack.sh log. It will take a second or two to start." echo echo "Just CTRL-C at any time to stop tailing." echo if ! timeout 60 sh -c "while [ ! -s /var/lib/libvirt/dnsmasq/$NET_NAME.leases ]; do sleep 1; done"; then echo "Your instance failed to acquire an IP address" exit 1 fi ip=`cat /var/lib/libvirt/dnsmasq/$NET_NAME.leases | cut -d " " -f3` echo "#############################################################" echo " -- This is your instance's IP: --" echo " $ip" echo "#############################################################" sleep 2 while [ ! -e "$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 ! egrep -q '^stack.sh (completed|failed)' $vm_dir/console.log ; do sleep 1 done set -o xtrace kill $TAIL_PID if ! grep -q "^stack.sh completed in" $vm_dir/console.log; then exit 1 fi set +o xtrace echo "" echo "Finished - Zip-a-dee Doo-dah!" fi