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126 lines
2.5 KiB
Bash
Executable File
126 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# $Id: createvnet.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/vm/network/vnet/createvnet.sh $
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# runvm.sh -- start a vm from a directory containing the kernel and os images
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# iscsi mode
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#
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usage() {
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printf "Usage: %s: -v <vnet-id>\n" $(basename $0) >&2
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}
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VNETD=cloud-vnetd
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check_vnetd_running() {
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/sbin/lsmod | grep vnet_module > /dev/null
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local module_loaded=$?
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if [[ ( -z $(pidof $VNETD) ) && ( $module_loaded -ne 0 ) ]]
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then
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# Try to auto load vnet
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service $VNETD start &> /dev/null
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if [ $? -gt 0 ]
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then
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printf 'vnet: Neither userspace daemon running nor kernel module loaded!, not starting vm '"$vmname\n" >&2
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exit 2
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fi
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fi
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}
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create_vnet () {
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local vnetid=$1
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vnetid=$(echo $vnetid | tr '[A-Z]' '[a-z]')
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local bridgeid="vnbr""$vnetid"
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local vnifid="vnif""$vnetid"
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local longvnetid="0000:0000:0000:0000:0000:0000:0000:""$vnetid"
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local br_exist=0
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ifconfig $bridgeid &> /dev/null
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br_exist=$?
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# Create the vnet even if it already exists. /usr/sbin/vn operation is
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# idempotent
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nice -n -1 $VN vnet-create -b ${bridgeid} ${longvnetid} &> /dev/null
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sleep 0.5
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ifconfig ${bridgeid} &> /dev/null
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if [ $? -gt 0 ]
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then
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local succ=0
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for i in 1 2 3
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do
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nice -n -1 $VN vnet-create -b ${bridgeid} ${longvnetid} &> /dev/null
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sleep $i
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ifconfig ${bridgeid} &> /dev/null
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if [ $? -eq 0 ]
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then
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succ=1
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break;
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fi
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done
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if [ $succ -eq 0 ]
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then
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echo "failed to create bridge"
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exit 1
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fi
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fi
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ifconfig ${vnifid} &> /dev/null
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if [ $? -gt 0 ]
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then
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echo "failed to create vnif"
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exit 2
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fi
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#echo $bridgeid $vnifid $longvnetid
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if [ $br_exist -gt 0 ]
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then
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sleep 0.5
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ifconfig $vnifid down
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sleep 0.5
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ifconfig $vnifid up
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fi
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iptables-save | grep $bridgeid > /dev/null
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if [ $? -gt 0 ]
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then
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iptables -I FORWARD -i $bridgeid -o $bridgeid -j ACCEPT
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fi
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return 0
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}
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#set -x
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vflag=
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while getopts 'v:' OPTION
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do
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case $OPTION in
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v) vflag=1
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vnetid="$OPTARG"
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;;
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?) usage
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exit 2
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;;
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esac
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done
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if [ "$vflag" != "1" ]
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then
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usage
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exit 2
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fi
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VN=cloud-vn
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#make sure vnetd is running
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check_vnetd_running
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# Create the vnet locally if not already created
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if ! create_vnet "$vnetid" ; then
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printf "Failed to create vnet, exiting\n" >&2
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exit 5
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fi
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exit 0
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