Extract HOST_IP default process to a function
This process is required by Grenade also...
Change-Id: I263a4351e70b9cfb0965e57e518fe5fd377f4b43
diff --git a/functions b/functions
index 8cb703c..5fae560 100644
--- a/functions
+++ b/functions
@@ -123,6 +123,37 @@
}
+# Get the default value for HOST_IP
+# get_default_host_ip fixed_range floating_range host_ip_iface host_ip
+function get_default_host_ip() {
+ local fixed_range=$1
+ local floating_range=$2
+ local host_ip_iface=$3
+ local host_ip=$4
+
+ # Find the interface used for the default route
+ host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}
+ # 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=""
+ 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 that is not correct set ``HOST_IP`` in ``localrc`` to the correct
+ # address.
+ if ! (address_in_net $IP $fixed_range || address_in_net $IP $floating_range); then
+ host_ip=$IP
+ break;
+ fi
+ done
+ fi
+ echo $host_ip
+}
+
+
function _get_package_dir() {
local pkg_dir
if is_ubuntu; then