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|
#!/bin/bash
# This script is run by config_devstack_domu_vm.sh
#
# It modifies the ubuntu image created by config_devstack_domu_vm.sh
# and previously moodified by prepare_guest_template.sh
#
# This script is responsible for:
# - pushing in the DevStack code
# It does this by mounting the disk image of the VM.
#
# The resultant image is then templated and started
# by config_devstack_domu_vm.sh
# Exit on errors
set -o errexit
# Echo commands
set -o xtrace
# This directory
THIS_DIR=$(cd $(dirname "$0") && pwd)
TOP_DIR="$THIS_DIR/../"
SCRIPT_DIR="$TOP_DIR/scripts"
COMM_DIR="$TOP_DIR/common"
CONF_DIR="$TOP_DIR/conf"
# Include onexit commands
. $SCRIPT_DIR/on_exit.sh
# xapi functions
. $COMM_DIR/functions
# Source params
source $CONF_DIR/xenrc
#
# Parameters
#
GUEST_NAME="$1"
function _print_interface_config {
local device_nr
local ip_address
local netmask
device_nr="$1"
ip_address="$2"
netmask="$3"
local device
device="eth${device_nr}"
echo "auto $device"
if [ "$ip_address" = "dhcp" ]; then
echo "iface $device inet dhcp"
else
echo "iface $device inet static"
echo " address $ip_address"
echo " netmask $netmask"
fi
# Turn off tx checksumming for better performance
echo " post-up ethtool -K $device tx off"
}
function print_interfaces_config {
echo "auto lo"
echo "iface lo inet loopback"
_print_interface_config $PUB_DEV_NR $PUB_IP $PUB_NETMASK
_print_interface_config $VM_DEV_NR $VM_IP $VM_NETMASK
_print_interface_config $MGT_DEV_NR $MGT_IP $MGT_NETMASK
}
#
# Mount the VDI
#
STAGING_DIR=$($TOP_DIR/scripts/manage-vdi open $GUEST_NAME 0 1 | grep -o "/tmp/tmp.[[:alnum:]]*")
add_on_exit "$TOP_DIR/scripts/manage-vdi close $GUEST_NAME 0 1"
# Make sure we have a stage
if [ ! -d $STAGING_DIR/etc ]; then
echo "Stage is not properly set up!"
exit 1
fi
# Only support DHCP for now - don't support how different versions of Ubuntu handle resolv.conf
if [ "$MGT_IP" != "dhcp" ] && [ "$PUB_IP" != "dhcp" ]; then
echo "Configuration without DHCP not supported"
exit 1
fi
# Configure the hostname
echo $GUEST_NAME > $STAGING_DIR/etc/hostname
# Hostname must resolve for rabbit
HOSTS_FILE_IP=$PUB_IP
if [ $MGT_IP != "dhcp" ]; then
HOSTS_FILE_IP=$MGT_IP
fi
cat <<EOF >$STAGING_DIR/etc/hosts
127.0.0.1 localhost localhost.localdomain
EOF
# Configure the network
print_interfaces_config > $STAGING_DIR/etc/network/interfaces
|
