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#!/bin/sh -e # # ip_address: report a host's ip address # # Copyright (C) 2008-2011 Canonical Ltd. # Copyright (C) 2011-2014 Dustin Kirkland # # Authors: Dustin Kirkland <kirkland@byobu.org> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, version 3 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. __ip_address_detail() { if [ -x /sbin/ip ]; then /sbin/ip -4 addr list /sbin/ip -6 addr list fi } __ip_address() { local interface ipaddr cache="$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND/ip_address" # Allow interface overrides in $BYOBU_CONFIG_DIR/statusrc if [ -n "$MONITORED_NETWORK" ]; then interface="$MONITORED_NETWORK" else case "$IPV6" in 1|true|yes) interface=$(awk '$10 != "lo" { iface=$10 ; }; END { print iface; }' /proc/net/ipv6_route);; *) get_network_interface; interface="$_RET";; esac fi case "$IPV6" in 1|true|yes) if [ "$IP_EXTERNAL" = "1" ]; then # Background an update timeout 1 wget -q -O- http://v6.ipv6-test.com/api/myip.php </dev/null >"$cache" 2>/dev/null & sleep 0.02 else # Background an update if [ -x /sbin/ip ]; then LC_ALL=C /sbin/ip -6 addr list dev "$interface" scope global </dev/null >"$cache" 2>/dev/null & elif eval $BYOBU_TEST ifconfig >/dev/null 2>&1; then LC_ALL=c ifconfig "$interface" | grep "inet6 " | awk '{print $2}' | sed -e "s/%.*//" >"$cache" 2>/dev/null & fi fi [ -s "$cache" ] && read ipaddr < "$cache" # Print 'None' if we have no global address [ -z "$ipaddr" ] && ipaddr="None" ipaddr=${ipaddr#* inet6 } ipaddr=${ipaddr%%/*} ;; *) if [ "$IP_EXTERNAL" = "1" ]; then timeout 1 wget -q -O- http://v4.ipv6-test.com/api/myip.php </dev/null >"$cache" 2>/dev/null & sleep 0.02 [ -s "$cache" ] && read ipaddr < "$cache" elif metadata_available; then # We're in EC2, so get our public IP address timeout 0.2 wget -q -O- http://169.254.169.254/latest/meta-data/public-ipv4 </dev/null >"$cache" 2>/dev/null & sleep 0.02 [ -s "$cache" ] && read ipaddr < "$cache" else if [ -x /sbin/ip ]; then ipaddr=$(LC_ALL=C /sbin/ip -4 addr list dev "$interface" scope global 2>/dev/null) ipaddr=${ipaddr#* inet } ipaddr=${ipaddr%%/*} elif eval $BYOBU_TEST ifconfig >/dev/null 2>&1; then ipaddr=$(ifconfig "$interface" | grep "inet " | awk '{print $2}') fi fi ;; esac if [ -n "$ipaddr" ]; then if [ "$1" = "t" ]; then printf "%s" "$ipaddr" else color b w k; printf "%s" "$ipaddr"; color -- fi fi } # vi: syntax=sh ts=4 noexpandtab