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197 lines
3.7 KiB
Bash
Executable File
197 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# $Id: rundomr.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/zfs/nfs/rundomr.sh $
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# rundomr.sh -- start a domR
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#
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#
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#set -x
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usage() {
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printf "Usage: %s: -v <vnet-id> -i <eth1 ip-address> -m <memory in MB> -a <eth0 mac address> -A <eth1 mac address> -p <eth2 mac address> -P <eth2 ip addr> -n <eth1 eth1mask> -N <eth2 eth1mask> -g <default gw ip> -l <vm label> <image-dir>\n" $(basename $0) >&2
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}
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check_vnetd_running() {
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/sbin/lsmod | grep vnet_module > /dev/null
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local module_loaded=$?
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if [[ ( -z $(pidof vnetd) ) && ( $module_loaded -ne 0 ) ]]
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then
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printf 'vnet: Neither userspace daemon running nor kernel module loaded!, not starting vm '"$vmname\n" >&2
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exit 2
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fi
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}
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# check if ip address is already used
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check_ip() {
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ping -c 1 -n -q $1 > /dev/null
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if [ $? -eq 0 ]
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then
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printf "Error: ip address $1 already in use...exiting\n" >&2
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exit 2
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fi
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}
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create_vnet () {
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local vnetid=$1
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local bridgeid="vnbr""$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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eval "$2=$bridgeid"
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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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vn vnet-create -b ${bridgeid} ${longvnetid} &> /dev/null
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#echo $bridgeid $vnifid $longvnetid
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return 0
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}
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vflag=
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iflag=
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mflag=
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aflag=
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gflag=
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lflag=
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nflag=
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Aflag=
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dflag=
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bflag=
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pflag=
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Iflag=
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Nflag=
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dnsoptions=
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xenbr=
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while getopts 'v:i:m:a:A:g:l:n:d:b:p:I:N:' 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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i) iflag=1
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eth1ip="$OPTARG"
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;;
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m) mflag=1
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ram="$OPTARG"
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;;
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a) aflag=1
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eth0mac="$OPTARG"
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;;
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A) Aflag=1
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eth1mac="mac=$OPTARG"
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;;
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g) gflag=1
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gateway="$OPTARG"
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;;
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n) nflag=1
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eth1mask="$OPTARG"
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;;
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l) lflag=1
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vmname="$OPTARG"
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;;
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d) dflag=1
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dnsoptions="$OPTARG"
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;;
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p) pflag=1
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eth2mac="$OPTARG"
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;;
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I) Iflag=1
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eth2ip="$OPTARG"
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;;
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N) Nflag=1
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eth2mask="$OPTARG"
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;;
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b) bflag=1
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xenbr="$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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#-d & -b is optional
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if [ "$Aflag$vflag$mflag$iflag$aflag$nflag$gflag$lflag" != "11111111" ]
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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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shift $(($OPTIND - 1))
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imagedir=$1
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if [ -z $imagedir ]
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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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if xm list $vmname &>/dev/null
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then
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printf "Error: domR $vmname already exists\n" >&2
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exit 2
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fi
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#make sure vnetd is running
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check_vnetd_running
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# grab the kernel, bootloader and disk images
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kernel="$imagedir/"$(ls $imagedir | grep vmlinuz)
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ramdisk="$imagedir/"$(ls $imagedir | grep initrd)
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rootdisk="$imagedir/"$(ls $imagedir | grep vmi-root)
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swapdisk="$imagedir/"$(ls $imagedir | grep swap)
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if [ "$rootdisk" == "$imagedir/" ]
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then
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printf "Error: No root disk found\nVM $vmname not started\n" >&2
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exit 2
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fi
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if [ "$kernel" == "$imagedir/" ] || [ "$ramdisk" == "$imagedir/" ]
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then
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printf "Could not find kernel and initrd images, exiting\n" >&2
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exit 2
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fi
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#ensure no ip address clash
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check_ip $eth1ip
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# Create the vnet locally if not already created
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bridge=""
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if ! create_vnet "$vnetid" bridge ; 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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eth2br=
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if [ -n "$xenbr" ]
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then
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eth2br=",bridge=$xenbr"
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fi
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#echo $eth2br
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# create the domR. Pass eth1 ip configuration in the "extra" flag
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xm new /dev/null kernel="$kernel" name="$vmname" disk="tap:aio:$rootdisk,xvda1,w" disk="tap:aio:$swapdisk,xvda2,w" ramdisk="$ramdisk" memory=$ram vif="mac=$eth0mac,bridge=$bridge" vif="$eth1mac,bridge=eth0" vif="mac=$eth2mac$eth2br" root="/dev/xvda1 ro" ip="$eth1ip" extra="fastboot eth1ip=$eth1ip eth1mask=$eth1mask eth2ip=$eth2ip eth2mask=$eth2mask gateway=$gateway $dnsoptions"
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if [ $? -gt 0 ]; then
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exit 10
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fi
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#Kick off the vm
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xm start $vmname
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if [ $? -gt 0 ]; then
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exit 20
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fi
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exit 0
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