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a1adef11a5
The core in 4.2 sets the IPv6 in context as IP6 instead of IPV6 as done in OpenNebula 4.0. This change makes the context packages compatible with both variables.
179 lines
3.8 KiB
Bash
Executable File
179 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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# -------------------------------------------------------------------------- #
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# Copyright 2010-2013, C12G Labs S.L. #
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# #
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# Licensed under the Apache License, Version 2.0 (the "License"); you may #
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# not use this file except in compliance with the License. You may obtain #
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# a copy of the License at #
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# #
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# http://www.apache.org/licenses/LICENSE-2.0 #
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# #
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# Unless required by applicable law or agreed to in writing, software #
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# distributed under the License is distributed on an "AS IS" BASIS, #
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
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# See the License for the specific language governing permissions and #
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# limitations under the License. #
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#--------------------------------------------------------------------------- #
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# Gets IP address from a given MAC
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mac2ip() {
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mac=$1
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let ip_a=0x`echo $mac | cut -d: -f 3`
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let ip_b=0x`echo $mac | cut -d: -f 4`
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let ip_c=0x`echo $mac | cut -d: -f 5`
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let ip_d=0x`echo $mac | cut -d: -f 6`
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ip="$ip_a.$ip_b.$ip_c.$ip_d"
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echo $ip
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}
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# Gets the network part of an IP
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get_network() {
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network=$(get_iface_var "NETWORK")
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if [ -z "$network" ]; then
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network="$(echo $IP | cut -d'.' -f1,2,3).0"
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fi
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echo $network
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}
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# Gets the network mask
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get_mask() {
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mask=$(get_iface_var "MASK")
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if [ -z "$mask" ]; then
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mask="255.255.255.0"
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fi
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echo $mask
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}
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# Gets the network gateway
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get_gateway() {
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gateway=$(get_iface_var "GATEWAY")
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if [ -z "$gateway" ]; then
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if [ "$DEV" = "eth0" ]; then
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net_prefix=$(echo $NETWORK | cut -d'.' -f1,2,3)
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gateway="${net_prefix}.1"
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fi
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fi
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echo $gateway
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}
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get_interfaces() {
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IFCMD="/sbin/ifconfig -a"
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$IFCMD | grep ^eth | sed 's/ *Link encap:Ethernet.*HWaddr /-/g'
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}
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get_dev() {
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echo $1 | cut -d'-' -f 1
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}
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get_mac() {
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echo $1 | cut -d'-' -f 2
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}
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get_ip() {
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ip=$(get_iface_var "IP")
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if [ -z "$ip" ]; then
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ip=$(mac2ip $MAC)
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fi
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echo $ip
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}
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get_iface_var() {
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var_name="${UPCASE_DEV}_$1"
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var=$(eval "echo \"\${$var_name}\"")
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echo $var
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}
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upcase() {
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echo "$*" | tr '[:lower:]' '[:upper:]'
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}
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gen_iface_conf() {
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cat <<EOT
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iface $DEV inet static
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address $IP
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network $NETWORK
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netmask $MASK
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EOT
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if [ -n "$GATEWAY" ]; then
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echo " gateway $GATEWAY"
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fi
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echo ""
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}
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gen_iface6_conf() {
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cat <<EOT
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iface $DEV inet6 static
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address $IPV6
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netmask 64
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EOT
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if [ -n "$GATEWAY6" ]; then
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echo " gateway $GATEWAY6"
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fi
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echo ""
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}
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gen_network_configuration()
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{
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cat <<EOT
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auto lo
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iface lo inet loopback
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EOT
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IFACES=`get_interfaces`
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for i in $IFACES; do
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MAC=`get_mac $i`
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DEV=`get_dev $i`
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UPCASE_DEV=`upcase $DEV`
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IP=$(get_ip)
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NETWORK=$(get_network)
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MASK=$(get_mask)
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GATEWAY=$(get_gateway)
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IPV6=$(get_iface_var "IPV6")
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[[ -z $IPV6 ]] && IPV6=$(get_iface_var "IP6")
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GATEWAY6=$(get_iface_var "GATEWAY6")
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CONTEXT_FORCE_IPV4=$(get_iface_var "CONTEXT_FORCE_IPV4")
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echo "auto $DEV"
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[[ -z $IPV6 || -n $CONTEXT_FORCE_IPV4 ]] && gen_iface_conf
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[[ -n $IPV6 ]] && gen_iface6_conf
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done
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}
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configure_network()
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{
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gen_network_configuration > /etc/network/interfaces
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service networking stop
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sleep 1
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service networking start
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sleep 2
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}
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configure_network
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