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277 lines
7.1 KiB
Bash
277 lines
7.1 KiB
Bash
#!/usr/bin/env bash
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# Make sure that we have the proper version of ubuntu (only works on oneiric)
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if ! egrep -q "oneiric" /etc/lsb-release; then
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echo "This script only works with ubuntu oneiric."
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exit 1
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fi
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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=`cd $TOOLS_DIR/..; pwd`
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cd $TOP_DIR
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# Source params
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source ./stackrc
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# Ubuntu distro to install
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DIST_NAME=${DIST_NAME:-oneiric}
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# Configure how large the VM should be
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GUEST_SIZE=${GUEST_SIZE:-10G}
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# exit on error to stop unexpected errors
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set -o errexit
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set -o xtrace
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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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# Install deps if needed
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DEPS="kvm libvirt-bin kpartx cloud-utils curl"
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apt-get install -y --force-yes $DEPS || true # allow this to fail gracefully for concurrent builds
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# Where to store files and instances
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WORK_DIR=${WORK_DIR:-/opt/kvmstack}
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# Where to store images
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image_dir=$WORK_DIR/images/$DIST_NAME
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mkdir -p $image_dir
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# Original version of built image
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uec_url=http://uec-images.ubuntu.com/$DIST_NAME/current/$DIST_NAME-server-cloudimg-amd64.tar.gz
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tarball=$image_dir/$(basename $uec_url)
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# download the base uec image if we haven't already
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if [ ! -f $tarball ]; then
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curl $uec_url -o $tarball
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(cd $image_dir && tar -Sxvzf $tarball)
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resize-part-image $image_dir/*.img $GUEST_SIZE $image_dir/disk
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cp $image_dir/*-vmlinuz-virtual $image_dir/kernel
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fi
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# Configure the root password of the vm to be the same as ``ADMIN_PASSWORD``
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ROOT_PASSWORD=${ADMIN_PASSWORD:-password}
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# Name of our instance, used by libvirt
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GUEST_NAME=${GUEST_NAME:-devstack}
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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 and remove old disk
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mkdir -p $vm_dir
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rm -f $vm_dir/disk
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# Create a copy of the base image
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qemu-img create -f qcow2 -b $image_dir/disk $vm_dir/disk
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# Back to devstack
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cd $TOP_DIR
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GUEST_NETWORK=${GUEST_NETWORK:-1}
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GUEST_RECREATE_NET=${GUEST_RECREATE_NET:-yes}
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GUEST_IP=${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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NET_NAME=${NET_NAME:-devstack-$GUEST_NETWORK}
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cat > $NET_XML <<EOF
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<network>
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<name>$NET_NAME</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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<dhcp>
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<range start='192.168.$GUEST_NETWORK.2' end='192.168.$GUEST_NETWORK.127' />
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</dhcp>
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</ip>
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</network>
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EOF
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if [[ "$GUEST_RECREATE_NET" == "yes" ]]; then
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virsh net-destroy $NET_NAME || true
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# destroying the network isn't enough to delete the leases
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rm -f /var/lib/libvirt/dnsmasq/$NET_NAME.leases
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virsh net-create $vm_dir/net.xml
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fi
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# libvirt.xml configuration
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LIBVIRT_XML=$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>$GUEST_RAM</memory>
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<os>
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<type>hvm</type>
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<kernel>$image_dir/kernel</kernel>
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<cmdline>root=/dev/vda ro console=ttyS0 init=/usr/lib/cloud-init/uncloud-init ds=nocloud-net;s=http://192.168.$GUEST_NETWORK.1:4567/ ubuntu-pass=ubuntu</cmdline>
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</os>
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<features>
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<acpi/>
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</features>
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<clock offset='utc'/>
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<vcpu>$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='$vm_dir/disk'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<interface type='network'>
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<source network='$NET_NAME'/>
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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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rm -rf $vm_dir/uec
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cp -r $TOOLS_DIR/uec $vm_dir/uec
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# set metadata
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cat > $vm_dir/uec/meta-data<<EOF
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hostname: $GUEST_NAME
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instance-id: i-hop
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instance-type: m1.ignore
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local-hostname: $GUEST_NAME.local
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EOF
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# set user-data
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cat > $vm_dir/uec/user-data<<EOF
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#!/bin/bash
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# hostname needs to resolve for rabbit
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sed -i "s/127.0.0.1/127.0.0.1 \`hostname\`/" /etc/hosts
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apt-get update
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apt-get install git sudo -y
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git clone https://github.com/cloudbuilders/devstack.git
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cd devstack
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git remote set-url origin `cd $TOP_DIR; git remote show origin | grep Fetch | awk '{print $3}'`
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git fetch
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git checkout `git rev-parse HEAD`
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cat > localrc <<LOCAL_EOF
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ROOTSLEEP=0
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`cat $TOP_DIR/localrc`
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LOCAL_EOF
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# Disable byobu
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/usr/bin/byobu-disable
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EOF
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# Setup stack user with our key
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CONFIGURE_STACK_USER=${CONFIGURE_STACK_USER:-yes}
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if [[ -e ~/.ssh/id_rsa.pub && "$CONFIGURE_STACK_USER" = "yes" ]]; then
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PUB_KEY=`cat ~/.ssh/id_rsa.pub`
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cat >> $vm_dir/uec/user-data<<EOF
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mkdir -p /opt/stack
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useradd -U -G sudo -s /bin/bash -d /opt/stack -m stack
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echo stack:pass | chpasswd
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mkdir -p /opt/stack/.ssh
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echo "$PUB_KEY" > /opt/stack/.ssh/authorized_keys
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chown -R stack /opt/stack
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chmod 700 /opt/stack/.ssh
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chmod 600 /opt/stack/.ssh/authorized_keys
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grep -q "^#includedir.*/etc/sudoers.d" /etc/sudoers ||
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echo "#includedir /etc/sudoers.d" >> /etc/sudoers
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( umask 226 && echo "stack ALL=(ALL) NOPASSWD:ALL" \
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> /etc/sudoers.d/50_stack_sh )
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EOF
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fi
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# Run stack.sh
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cat >> $vm_dir/uec/user-data<<EOF
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./stack.sh
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EOF
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# (re)start a metadata service
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(
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pid=`lsof -iTCP@192.168.$GUEST_NETWORK.1:4567 -n | awk '{print $2}' | tail -1`
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[ -z "$pid" ] || kill -9 $pid
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)
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cd $vm_dir/uec
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python meta.py 192.168.$GUEST_NETWORK.1:4567 &
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# Create the instance
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virsh create $vm_dir/libvirt.xml
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# Tail the console log till we are done
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WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}
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if [ "$WAIT_TILL_LAUNCH" = "1" ]; then
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set +o xtrace
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# Done creating the container, let's tail the log
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echo
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echo "============================================================="
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echo " -- YAY! --"
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echo "============================================================="
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echo
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echo "We're done launching the vm, about to start tailing the"
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echo "stack.sh log. It will take a second or two to start."
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echo
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echo "Just CTRL-C at any time to stop tailing."
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while [ ! -e "$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 ! egrep -q '^stack.sh (completed|failed)' $vm_dir/console.log ; do
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sleep 1
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done
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set -o xtrace
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kill $TAIL_PID
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if ! grep -q "^stack.sh completed in" $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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