Separate out build_xva process so that it can be run on a machine besides dom0
Change-Id: I3a6e1ef874c83d79d09a8df1f086ec06d39db2df
diff --git a/tools/xen/build_xva.sh b/tools/xen/build_xva.sh
new file mode 100755
index 0000000..e4de2a1
--- /dev/null
+++ b/tools/xen/build_xva.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+
+# Abort if localrc is not set
+if [ ! -e ../../localrc ]; then
+ echo "You must have a localrc with ALL necessary passwords defined before proceeding."
+ echo "See the xen README for required passwords."
+ exit 1
+fi
+
+# This directory
+TOP_DIR=$(cd $(dirname "$0") && pwd)
+
+# Source params - override xenrc params in your localrc to suite your taste
+source xenrc
+
+# Echo commands
+set -o xtrace
+
+# Directory where we stage the build
+STAGING_DIR=$TOP_DIR/stage
+
+# Option to clean out old stuff
+CLEAN=${CLEAN:-0}
+if [ "$CLEAN" = "1" ]; then
+ rm -rf $STAGING_DIR
+fi
+
+# Download our base image. This image is made using prepare_guest.sh
+BASE_IMAGE_URL=${BASE_IMAGE_URL:-http://images.ansolabs.com/xen/stage.tgz}
+if [ ! -e $STAGING_DIR ]; then
+ if [ ! -e /tmp/stage.tgz ]; then
+ wget $BASE_IMAGE_URL -O /tmp/stage.tgz
+ fi
+ tar xfz /tmp/stage.tgz
+ cd $TOP_DIR
+fi
+
+# Free up precious disk space
+rm -f /tmp/stage.tgz
+
+# Make sure we have a stage
+if [ ! -d $STAGING_DIR/etc ]; then
+ echo "Stage is not properly set up!"
+ exit 1
+fi
+
+# Directory where our conf files are stored
+FILES_DIR=$TOP_DIR/files
+TEMPLATES_DIR=$TOP_DIR/templates
+
+# Directory for supporting script files
+SCRIPT_DIR=$TOP_DIR/scripts
+
+# Version of ubuntu with which we are working
+UBUNTU_VERSION=`cat $STAGING_DIR/etc/lsb-release | grep "DISTRIB_CODENAME=" | sed "s/DISTRIB_CODENAME=//"`
+KERNEL_VERSION=`ls $STAGING_DIR/boot/vmlinuz* | head -1 | sed "s/.*vmlinuz-//"`
+
+# Directory for xvas
+XVA_DIR=$TOP_DIR/xvas
+
+# Create xva dir
+mkdir -p $XVA_DIR
+
+# Path to xva
+XVA=$XVA_DIR/$GUEST_NAME.xva
+
+# Setup fake grub
+rm -rf $STAGING_DIR/boot/grub/
+mkdir -p $STAGING_DIR/boot/grub/
+cp $TEMPLATES_DIR/menu.lst.in $STAGING_DIR/boot/grub/menu.lst
+sed -e "s,@KERNEL_VERSION@,$KERNEL_VERSION,g" -i $STAGING_DIR/boot/grub/menu.lst
+
+# Setup fstab, tty, and other system stuff
+cp $FILES_DIR/fstab $STAGING_DIR/etc/fstab
+cp $FILES_DIR/hvc0.conf $STAGING_DIR/etc/init/
+
+# Put the VPX into UTC.
+rm -f $STAGING_DIR/etc/localtime
+
+# Configure dns (use same dns as dom0)
+cp /etc/resolv.conf $STAGING_DIR/etc/resolv.conf
+
+# Copy over devstack
+rm -f /tmp/devstack.tar
+tar --exclude='stage' --exclude='xen/xvas' --exclude='xen/nova' -cvf /tmp/devstack.tar $TOP_DIR/../../../devstack
+cd $STAGING_DIR/opt/stack/
+tar xf /tmp/devstack.tar
+cd $TOP_DIR
+
+# Configure OVA
+VDI_SIZE=$(($VDI_MB*1024*1024))
+PRODUCT_BRAND=${PRODUCT_BRAND:-openstack}
+PRODUCT_VERSION=${PRODUCT_VERSION:-001}
+BUILD_NUMBER=${BUILD_NUMBER:-001}
+LABEL="$PRODUCT_BRAND $PRODUCT_VERSION-$BUILD_NUMBER"
+OVA=$STAGING_DIR/tmp/ova.xml
+cp $TEMPLATES_DIR/ova.xml.in $OVA
+sed -e "s,@VDI_SIZE@,$VDI_SIZE,g" -i $OVA
+sed -e "s,@PRODUCT_BRAND@,$PRODUCT_BRAND,g" -i $OVA
+sed -e "s,@PRODUCT_VERSION@,$PRODUCT_VERSION,g" -i $OVA
+sed -e "s,@BUILD_NUMBER@,$BUILD_NUMBER,g" -i $OVA
+
+# Run devstack on launch
+cat <<EOF >$STAGING_DIR/etc/rc.local
+GUEST_PASSWORD=$GUEST_PASSWORD STAGING_DIR=/ DO_TGZ=0 bash /opt/stack/devstack/tools/xen/prepare_guest.sh
+su -c "/opt/stack/run.sh > /opt/stack/run.sh.log" stack
+exit 0
+EOF
+
+# Clean old xva. In the future may not do this every time.
+rm -f $XVA
+
+# Configure the hostname
+echo $GUEST_NAME > $STAGING_DIR/etc/hostname
+
+# Hostname must resolve for rabbit
+cat <<EOF >$STAGING_DIR/etc/hosts
+$MGT_IP $GUEST_NAME
+127.0.0.1 localhost localhost.localdomain
+EOF
+
+# Configure the network
+INTERFACES=$STAGING_DIR/etc/network/interfaces
+cp $TEMPLATES_DIR/interfaces.in $INTERFACES
+sed -e "s,@ETH1_IP@,$VM_IP,g" -i $INTERFACES
+sed -e "s,@ETH1_NETMASK@,$VM_NETMASK,g" -i $INTERFACES
+sed -e "s,@ETH2_IP@,$MGT_IP,g" -i $INTERFACES
+sed -e "s,@ETH2_NETMASK@,$MGT_NETMASK,g" -i $INTERFACES
+sed -e "s,@ETH3_IP@,$PUB_IP,g" -i $INTERFACES
+sed -e "s,@ETH3_NETMASK@,$PUB_NETMASK,g" -i $INTERFACES
+
+# Gracefully cp only if source file/dir exists
+function cp_it {
+ if [ -e $1 ] || [ -d $1 ]; then
+ cp -pRL $1 $2
+ fi
+}
+
+# Copy over your ssh keys and env if desired
+COPYENV=${COPYENV:-1}
+if [ "$COPYENV" = "1" ]; then
+ cp_it ~/.ssh $STAGING_DIR/opt/stack/.ssh
+ cp_it ~/.ssh/id_rsa.pub $STAGING_DIR/opt/stack/.ssh/authorized_keys
+ cp_it ~/.gitconfig $STAGING_DIR/opt/stack/.gitconfig
+ cp_it ~/.vimrc $STAGING_DIR/opt/stack/.vimrc
+ cp_it ~/.bashrc $STAGING_DIR/opt/stack/.bashrc
+fi
+
+# Configure run.sh
+cat <<EOF >$STAGING_DIR/opt/stack/run.sh
+#!/bin/bash
+cd /opt/stack/devstack
+killall screen
+UPLOAD_LEGACY_TTY=yes HOST_IP=$PUB_IP VIRT_DRIVER=xenserver FORCE=yes MULTI_HOST=1 $STACKSH_PARAMS ./stack.sh
+EOF
+chmod 755 $STAGING_DIR/opt/stack/run.sh
+
+# Create xva
+if [ ! -e $XVA ]; then
+ rm -rf /tmp/mkxva*
+ UID=0 $SCRIPT_DIR/mkxva -o $XVA -t xva -x $OVA $STAGING_DIR $VDI_MB /tmp/
+fi
+
+echo "Built $XVA. If your dom0 is on a different machine, copy this to [devstackdir]/tools/xen/$XVA"