devstack/tools/xen/build_domU.sh
Anthony Young b3e2f3399c Some tweaks for xen + devstack.
* Import functions for git_clone (allows RECLONE for xen plugins)
 * Fix a potential xvas path issue
 * Tweaks to docs

Change-Id: I34f5c57a53884dfe944f3b0eb8896c57e348e389
2012-03-16 17:07:48 -07:00

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7.1 KiB
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#!/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 lower level functions
. $TOP_DIR/../../functions
# Source params - override xenrc params in your localrc to suit your taste
source xenrc
# Echo commands
set -o xtrace
# Check for xva file
if [ ! -e $XVA ]; then
echo "Missing xva file. Please run build_xva.sh (ideally on a non dom0 host since the build can require lots of space)."
echo "Place the resulting xva file in $XVA"
exit 1
fi
# Make sure we have git
if ! which git; then
GITDIR=/tmp/git-1.7.7
cd /tmp
rm -rf $GITDIR*
wget http://git-core.googlecode.com/files/git-1.7.7.tar.gz
tar xfv git-1.7.7.tar.gz
cd $GITDIR
./configure --with-curl --with-expat
make install
cd $TOP_DIR
fi
# Helper to create networks
# Uses echo trickery to return network uuid
function create_network() {
br=$1
dev=$2
vlan=$3
netname=$4
if [ -z $br ]
then
pif=$(xe pif-list --minimal device=$dev VLAN=$vlan)
if [ -z $pif ]
then
net=$(xe network-create name-label=$netname)
else
net=$(xe network-list --minimal PIF-uuids=$pif)
fi
echo $net
return 0
fi
if [ ! $(xe network-list --minimal params=bridge | grep -w --only-matching $br) ]
then
echo "Specified bridge $br does not exist"
echo "If you wish to use defaults, please keep the bridge name empty"
exit 1
else
net=$(xe network-list --minimal bridge=$br)
echo $net
fi
}
function errorcheck() {
rc=$?
if [ $rc -ne 0 ]
then
exit $rc
fi
}
# Create host, vm, mgmt, pub networks
VM_NET=$(create_network "$VM_BR" "$VM_DEV" "$VM_VLAN" "vmbr")
errorcheck
MGT_NET=$(create_network "$MGT_BR" "$MGT_DEV" "$MGT_VLAN" "mgtbr")
errorcheck
PUB_NET=$(create_network "$PUB_BR" "$PUB_DEV" "$PUB_VLAN" "pubbr")
errorcheck
# Helper to create vlans
function create_vlan() {
dev=$1
vlan=$2
net=$3
# VLAN -1 refers to no VLAN (physical network)
if [ $vlan -eq -1 ]
then
return
fi
if [ -z $(xe vlan-list --minimal tag=$vlan) ]
then
pif=$(xe pif-list --minimal network-uuid=$net)
# We created a brand new network this time
if [ -z $pif ]
then
pif=$(xe pif-list --minimal device=$dev VLAN=-1)
xe vlan-create pif-uuid=$pif vlan=$vlan network-uuid=$net
else
echo "VLAN does not exist but PIF attached to this network"
echo "How did we reach here?"
exit 1
fi
fi
}
# Create vlans for vm and management
create_vlan $PUB_DEV $PUB_VLAN $PUB_NET
create_vlan $VM_DEV $VM_VLAN $VM_NET
create_vlan $MGT_DEV $MGT_VLAN $MGT_NET
# dom0 ip
HOST_IP=${HOST_IP:-`ifconfig xenbr0 | grep "inet addr" | cut -d ":" -f2 | sed "s/ .*//"`}
# Set up ip forwarding
if ! grep -q "FORWARD_IPV4=YES" /etc/sysconfig/network; then
# FIXME: This doesn't work on reboot!
echo "FORWARD_IPV4=YES" >> /etc/sysconfig/network
fi
# Also, enable ip forwarding in rc.local, since the above trick isn't working
if ! grep -q "echo 1 >/proc/sys/net/ipv4/ip_forward" /etc/rc.local; then
echo "echo 1 >/proc/sys/net/ipv4/ip_forward" >> /etc/rc.local
fi
# Enable ip forwarding at runtime as well
echo 1 > /proc/sys/net/ipv4/ip_forward
# Set local storage il8n
SR_UUID=`xe sr-list --minimal name-label="Local storage"`
xe sr-param-set uuid=$SR_UUID other-config:i18n-key=local-storage
# Checkout nova
git_clone $NOVA_REPO $TOP_DIR/nova $NOVA_BRANCH
# Install plugins
cp -pr $TOP_DIR/nova/plugins/xenserver/xenapi/etc/xapi.d /etc/
chmod a+x /etc/xapi.d/plugins/*
yum --enablerepo=base install -y parted
mkdir -p /boot/guest
# Shutdown previous runs
DO_SHUTDOWN=${DO_SHUTDOWN:-1}
if [ "$DO_SHUTDOWN" = "1" ]; then
# Shutdown all domU's that created previously
xe vm-list --minimal name-label="$LABEL" | xargs ./scripts/uninstall-os-vpx.sh
# Destroy any instances that were launched
for uuid in `xe vm-list | grep -1 instance | grep uuid | sed "s/.*\: //g"`; do
echo "Shutting down nova instance $uuid"
xe vm-unpause uuid=$uuid || true
xe vm-shutdown uuid=$uuid
xe vm-destroy uuid=$uuid
done
# Destroy orphaned vdis
for uuid in `xe vdi-list | grep -1 Glance | grep uuid | sed "s/.*\: //g"`; do
xe vdi-destroy uuid=$uuid
done
fi
# Start guest
if [ -z $VM_BR ]; then
VM_BR=$(xe network-list --minimal uuid=$VM_NET params=bridge)
fi
if [ -z $MGT_BR ]; then
MGT_BR=$(xe network-list --minimal uuid=$MGT_NET params=bridge)
fi
if [ -z $PUB_BR ]; then
PUB_BR=$(xe network-list --minimal uuid=$PUB_NET params=bridge)
fi
$TOP_DIR/scripts/install-os-vpx.sh -f $XVA -v $VM_BR -m $MGT_BR -p $PUB_BR -l $GUEST_NAME -w -k "flat_network_bridge=${VM_BR}"
if [ $PUB_IP == "dhcp" ]; then
PUB_IP=$(xe vm-list --minimal name-label=$GUEST_NAME params=networks | sed -ne 's,^.*3/ip: \([0-9.]*\).*$,\1,p')
fi
# If we have copied our ssh credentials, use ssh to monitor while the installation runs
WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}
if [ "$WAIT_TILL_LAUNCH" = "1" ] && [ -e ~/.ssh/id_rsa.pub ] && [ "$COPYENV" = "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."
set +o xtrace
while ! ssh -q stack@$PUB_IP "[ -e run.sh.log ]"; do
sleep 1
done
ssh stack@$PUB_IP 'tail -f run.sh.log' &
TAIL_PID=$!
function kill_tail() {
kill $TAIL_PID
exit 1
}
# Let Ctrl-c kill tail and exit
trap kill_tail SIGINT
echo "Waiting stack.sh to finish..."
while ! ssh -q stack@$PUB_IP "grep -q 'stack.sh completed in' run.sh.log"; do
sleep 1
done
kill $TAIL_PID
if ssh -q stack@$PUB_IP "grep -q 'stack.sh failed' run.sh.log"; then
exit 1
fi
echo ""
echo "Finished - Zip-a-dee Doo-dah!"
echo "You can then visit the OpenStack Dashboard"
echo "at http://$PUB_IP, and contact other services at the usual ports."
else
echo "################################################################################"
echo ""
echo "All Finished!"
echo "Now, you can monitor the progress of the stack.sh installation by "
echo "tailing /opt/stack/run.sh.log from within your domU."
echo ""
echo "ssh into your domU now: 'ssh stack@$PUB_IP' using your password"
echo "and then do: 'tail -f /opt/stack/run.sh.log'"
echo ""
echo "When the script completes, you can then visit the OpenStack Dashboard"
echo "at http://$PUB_IP, and contact other services at the usual ports."
fi