openstack/devstack
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Merge "Use default route to find HOST_IP"

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Jenkins 2012-08-10 21:43:48 +00:00 committed by Gerrit Code Review
commit a8cdd355d2
2 changed files with 34 additions and 8 deletions
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12
functions
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@ -9,6 +9,18 @@ XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Exit 0 if address is in network or 1 if
# address is not in network or netaddr library
# is not installed.
function address_in_net() {
python -c "
import netaddr
import sys
sys.exit(netaddr.IPAddress('$1') not in netaddr.IPNetwork('$2'))
"
}
# apt-get wrapper to set arguments correctly
# apt_get operation package [package ...]
function apt_get() {

30
stack.sh
View File

@ -279,13 +279,30 @@ INSTANCE_NAME_PREFIX=${INSTANCE_NAME_PREFIX:-instance-}
# cases.
SCHEDULER=${SCHEDULER:-nova.scheduler.filter_scheduler.FilterScheduler}
HOST_IP_IFACE=${HOST_IP_IFACE:-eth0}
# Use the eth0 IP unless an explicit is set by ``HOST_IP`` environment variable
# Set fixed and floating range here so we can make sure not to use addresses
# from either range when attempting to guess the ip to use for the host
FIXED_RANGE=${FIXED_RANGE:-10.0.0.0/24}
FLOATING_RANGE=${FLOATING_RANGE:-172.24.4.224/28}
# Find the interface used for the default route
HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }')}
# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
if [ -z "$HOST_IP" -o "$HOST_IP" == "dhcp" ]; then
HOST_IP=`LC_ALL=C ip -f inet addr show ${HOST_IP_IFACE} | awk '/inet/ {split($2,parts,"/"); print parts[1]}' | head -n1`
if [ "$HOST_IP" = "" ]; then
HOST_IP=""
HOST_IPS=`LC_ALL=C ip -f inet addr show ${HOST_IP_IFACE} | awk '/inet/ {split($2,parts,"/"); print parts[1]}'`
for IP in $HOST_IPS; do
# Attempt to filter out ip addresses that are part of the fixed and
# floating range. Note that this method only works if the 'netaddr'
# python library is installed. If it is not installed, an error
# will be printed and the first ip from the interface will be used.
if ! (address_in_net $IP $FIXED_RANGE || address_in_net $IP $FLOATING_RANGE); then
HOST_IP=$IP
break;
fi
done
if [ "$HOST_IP" == "" ]; then
echo "Could not determine host ip address."
echo "Either localrc specified dhcp on ${HOST_IP_IFACE} or defaulted to eth0"
echo "Either localrc specified dhcp on ${HOST_IP_IFACE} or defaulted"
exit 1
fi
fi
@ -364,11 +381,8 @@ else
fi
PUBLIC_INTERFACE=${PUBLIC_INTERFACE:-$PUBLIC_INTERFACE_DEFAULT}
PUBLIC_INTERFACE=${PUBLIC_INTERFACE:-br100}
FIXED_RANGE=${FIXED_RANGE:-10.0.0.0/24}
FIXED_NETWORK_SIZE=${FIXED_NETWORK_SIZE:-256}
NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}
FLOATING_RANGE=${FLOATING_RANGE:-172.24.4.224/28}
NET_MAN=${NET_MAN:-FlatDHCPManager}
EC2_DMZ_HOST=${EC2_DMZ_HOST:-$SERVICE_HOST}
FLAT_NETWORK_BRIDGE=${FLAT_NETWORK_BRIDGE:-$FLAT_NETWORK_BRIDGE_DEFAULT}