devstack/tools/xen/prepare_guest.sh
John Garbutt daadf744ed Improvements to DevStack's XenServer scripts
I have ensured:
- template gets re-used on second run
- template includes XenServer tools, and custom user accounts
- take snapshot before first boot, for easy re-run
- make host_ip_iface work with either eth2 or eth3
- make ssh into domU checks looser
- above is all ground work for improved jenkins tests
- added some more comments to make it scripts clearer

Change-Id: I5c45370bf8a1393d669480e196b13f592d29154f
2012-05-22 18:12:43 +01:00

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#!/bin/bash
# This script is run on an Ubuntu VM.
# This script is inserted into the VM by prepare_guest_template.sh
# and is run when that VM boots.
# It customizes a fresh Ubuntu install, so it is ready
# to run stack.sh
#
# This includes installing the XenServer tools,
# creating the user called "stack",
# and shuts down the VM to signal the script has completed
set -x
# Echo commands
set -o xtrace
# Configurable nuggets
GUEST_PASSWORD=${GUEST_PASSWORD:-secrete}
STAGING_DIR=${STAGING_DIR:-stage}
DO_TGZ=${DO_TGZ:-1}
# Install basics
chroot $STAGING_DIR apt-get update
chroot $STAGING_DIR apt-get install -y cracklib-runtime curl wget ssh openssh-server tcpdump ethtool
chroot $STAGING_DIR apt-get install -y curl wget ssh openssh-server python-pip git vim-nox sudo
chroot $STAGING_DIR pip install xenapi
# Install XenServer guest utilities
XEGUEST=xe-guest-utilities_5.6.100-651_amd64.deb
wget http://images.ansolabs.com/xen/$XEGUEST -O $XEGUEST
cp $XEGUEST $STAGING_DIR/root
chroot $STAGING_DIR dpkg -i /root/$XEGUEST
chroot $STAGING_DIR update-rc.d -f xe-linux-distribution remove
chroot $STAGING_DIR update-rc.d xe-linux-distribution defaults
# Make a small cracklib dictionary, so that passwd still works, but we don't
# have the big dictionary.
mkdir -p $STAGING_DIR/usr/share/cracklib
echo a | chroot $STAGING_DIR cracklib-packer
# Make /etc/shadow, and set the root password
chroot $STAGING_DIR "pwconv"
echo "root:$GUEST_PASSWORD" | chroot $STAGING_DIR chpasswd
# Put the VPX into UTC.
rm -f $STAGING_DIR/etc/localtime
# Add stack user
chroot $STAGING_DIR groupadd libvirtd
chroot $STAGING_DIR useradd stack -s /bin/bash -d /opt/stack -G libvirtd
echo stack:$GUEST_PASSWORD | chroot $STAGING_DIR chpasswd
echo "stack ALL=(ALL) NOPASSWD: ALL" >> $STAGING_DIR/etc/sudoers
# Give ownership of /opt/stack to stack user
chroot $STAGING_DIR chown -R stack /opt/stack
# Make our ip address hostnames look nice at the command prompt
echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $STAGING_DIR/opt/stack/.bashrc
echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $STAGING_DIR/root/.bashrc
echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $STAGING_DIR/etc/profile
function setup_vimrc {
if [ ! -e $1 ]; then
# Simple but usable vimrc
cat > $1 <<EOF
syntax on
se ts=4
se expandtab
se shiftwidth=4
EOF
fi
}
# Setup simple .vimrcs
setup_vimrc $STAGING_DIR/root/.vimrc
setup_vimrc $STAGING_DIR/opt/stack/.vimrc
if [ "$DO_TGZ" = "1" ]; then
# Compress
rm -f stage.tgz
tar cfz stage.tgz stage
fi
# remove self from local.rc
# so this script is not run again
rm -rf /etc/rc.local
mv /etc/rc.local.preparebackup /etc/rc.local
cp $STAGING_DIR/etc/rc.local $STAGING_DIR/etc/rc.local.backup
# shutdown to notify we are done
shutdown -h now