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119 lines
2.1 KiB
Bash
Executable File
119 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# $Id: rebootvm.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/vm/hypervisor/xen/rebootvm.sh $
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# reboot.sh -- reboot one vm
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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: -l <vm label>> \n" $(basename $0) >&2
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}
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_vifname() {
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local vmname=$1
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local domid=$(xm domid $vmname)
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echo vif${domid}
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}
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replace_acct_rule() {
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local oldvif=$1
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local newvif=$2
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#iptables-save | grep $oldvif\\. | sed s/$oldvif/$newvif/ | while read line
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#do
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# iptables $line
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#done
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iptables-save | grep $oldvif\\. | sed s/-A/-D/ | while read line
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do
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iptables $line
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done
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return 0
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}
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replace_rate_limit_rules() {
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local olddomid=$1
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local newdomid=$2
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local oldvif=$3
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local newvif=$4
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local oldmark=$(echo "obase=16; $olddomid" | bc | tr [A-Z] [a-z])
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local newmark=$(echo "obase=16; $newdomid" | bc | tr [A-Z] [a-z])
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/usr/local/sbin/ebtables-save | grep FORWARD | grep -iw 0x${oldmark} | sed s/0x${oldmark}/0x${newmark}/ | sed s/$oldvif/$newvif/ | while read line
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do
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ebtables $line
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done
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/usr/local/sbin/ebtables-save | grep FORWARD | grep -iw 0x${oldmark} | sed s/-A/-D/ | while read line
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do
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ebtables $line
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done
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return 0
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}
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reboot_one_vm() {
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if ! xm list $1 &>/dev/null
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then
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printf "Error: vm $1 does not exist\n" >&2
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return 2
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fi
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local vmname=$1
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local vifname=$(_vifname $vmname)
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local domId=$(xm domid $vmname)
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if [ "$domId" -gt 0 ]
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then
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xm reboot $1 -w
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else
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printf "Invalid domain. Not rebooting $1\n">&2
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return 10
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fi
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local rebooted=$?
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if [ $rebooted -gt 0 ]
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then
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printf "Failed to reboot instance $1\n">&2
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return 20
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fi
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local newvifname=$(_vifname $vmname)
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local newdomId=$(xm domid $vmname)
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replace_acct_rule $vifname $newvifname
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replace_rate_limit_rules $domId $newdomId $vifname $newvifname
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return 0;
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}
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lflag=
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while getopts 'l:' OPTION
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do
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case $OPTION in
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l) lflag=1
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vmname="$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 [ "$lflag" != "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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reboot_one_vm $vmname
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exit $?
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