/usr/sbin/condor_vm_vmware is in htcondor 8.6.8~dfsg.1-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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##**************************************************************
##
## Copyright (C) 1990-2007, Condor Team, Computer Sciences Department,
## University of Wisconsin-Madison, WI.
##
## Licensed under the Apache License, Version 2.0 (the "License"); you
## may not use this file except in compliance with the License. You may
## obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
##**************************************************************
#
# VMWare Control Tool
# V0.1 / 2007-Mar-01 / Jaeyoung Yoon / jyoon@cs.wisc.edu
#
use strict;
use File::Path;
use File::Copy;
# program version information
my $APPNAME = "VMWare Control Tool";
my $VERSION = "0.1";
my $verbose = undef;
# Location of "vmrun" and "vmware-cmd" program
# If these programs are in $PATH, just use basename. Otherwise use a full path
my $vmrun_prog;
my $vmwarecmd_prog;
if (lc($^O) eq "mswin32") {
# For MS Windows assume VMWare is in "C:\Program Files (x86)" if it exists
# otherwise assume it's in "C:\Program Files", we find these directories
# using environment variables.
my $pf86 = "ProgramFiles(x86)";
my $progfiles = $ENV{$pf86};
if ( ! $progfiles) { $progfiles = $ENV{ProgramFiles}; }
$vmrun_prog = $progfiles . '\VMware\VMware VIX\vmrun';
$vmwarecmd_prog = $progfiles . '\VMware\VMware VmPerl Scripting API\vmware-cmd';
}else {
# For Linux
$vmrun_prog = 'vmrun';
$vmwarecmd_prog = 'vmware-cmd';
}
# Location of "mkisofs" or "cdmake.exe" program
# If mkisofs program is in $PATH, just use basename. Otherwise use a full path
my $cdmake;
my $mkisofs;
if (lc($^O) eq "mswin32") {
# For MS Windows
$cdmake = 'C:\condor\bin\cdmake.exe';
}else {
# For Linux
$mkisofs = 'mkisofs';
}
# Location of dhcpd.lease
# If dhcpd_lease is defined, we will use the file to find IP address of guest VM.
# Otherwise, we will send a request to vmware tool.
# If vmware tool is not installed inside VM, we can't get IP address of the VM.
my $dhcpd_lease = undef;
#$dhcpd_lease = '/etc/vmware/vmnet8/dhcpd/dhcpd.leases';
#$dhcpd_lease = 'C:\Documents and Settings\All Users\Application Data\VMware\vmnetdhcp.leases';
# stdout will be directed to stderr
#open STDOUT, ">&STDERR" or die "Can't dup STDERR: $!";
#select STDERR; $| = 1; # make unbuffered
#select STDOUT; $| = 1; # make unbuffered
open OUTPUT, ">&STDOUT";
open STDOUT, ">&STDERR";
my $tmpdir = undef;
my $progname = $0;
#
# Assume we're using Workstation or Player, but autodetect Server;
# only Server has vmware-cmd.
#
my $VMWARE_VERSION = "workstation";
# open()ing a pipe on Windows always succeeds, even if the binary in
# question doesn't exist, so just check if the binary exists. (We can't
# do this on Linux because we don't have the full path to the binary.)
if( lc($^O) eq "mswin32" ) {
if( -x $vmwarecmd_prog ) {
$VMWARE_VERSION = "server";
}
} else {
my $childPID = open( VMV, '-|', $vmwarecmd_prog, '-l' );
if( defined( $childPID ) ) {
$VMWARE_VERSION = "server";
}
close( VMV );
}
if( defined($verbose) ) { print( "Using \$VMWARE_VERSION '$VMWARE_VERSION'.\n" ); }
#
# The behavior of vmrun isn't consistent from platform to platform, so we
# have to examine the output to determine if it actually worked. Note
# that VMWare Server's implementation of vmrun dies if passed -T, so be
# sure never to do that.
#
my @VMRUN_CMD = ($vmrun_prog);
while( $VMWARE_VERSION eq 'workstation' ) {
my $wsList = `"$vmrun_prog" -T ws list`;
if( $wsList =~ m/^Total running VMs:/ ) {
push( @VMRUN_CMD, '-T', 'ws' );
last;
}
my $playerList = `"$vmrun_prog" -T player list`;
if( $playerList =~ m/^Total running VMs:/ ) {
push( @VMRUN_CMD, '-T', 'player' );
last;
}
last;
}
my $VMRUNCMD = '"' . join( '" "', @VMRUN_CMD ) . '"';
if( defined($verbose) ) { print( "Using \$VMRUNCMD '$VMRUNCMD'.\n" ); }
sub usage()
{
print STDERR <<EOF;
$APPNAME (version $VERSION)
Usage: $progname command [parameters]
Command Parameters Description
list List all running VMs
check Check if vmware is installed
register [vmconfig] Register a VM
unregister [vmconfig] Unregister a VM
start [vmconfig] Start a VM and print PID
stop [vmconfig] Shutdown a VM
killvm [string] Kill a VM
suspend [vmconfig] Suspend a VM
resume [vmconfig] Resume a suspended VM and print PID
status [vmconfig] Print the status of a VM
getpid [vmconfig] Print PID of VM
getvminfo [vmconfig] Print info about VM
snapshot [vmconfig] Create a snapshot of a VM
commit [vmconfig] Commit COW disks and delete the COW
revert [vmconfig] Set VM state to a snapshot
createiso [listfile] [ISO] Create an ISO image with files in a listfile
createconfig [configfile] Modify configuration file created by vm-gahp
Note:
vmconfig must be an absolute pathname, e.g. /vm/testvm1.vmx
Examples:
$progname start /vm/testvm1.vmx
$progname status /vm/testvm1.vmx output.txt
EOF
exit(1);
}
sub printerror
{
if( defined($tmpdir) ) {
rmtree("$tmpdir")
or print STDERR "Cannot delete temporary directory($tmpdir) and files in it";
}
print STDERR "(ERROR) @_\n";
exit(1);
}
sub printwarn
{
print STDERR "(WARN) @_\n";
}
sub printverbose
{
if( defined($verbose) ) {
print STDERR "VMwareTool: @_\n";
}
}
sub checkvmconfig
{
my $vmconfig = $_[0];
if( ! defined($vmconfig) ) {
usage();
}
unless( -e $vmconfig ) {
printerror "vmconfig $vmconfig does not exist";
}
unless ( -r $vmconfig ) {
printerror "vmconfig $vmconfig is not readable";
}
return $vmconfig;
}
sub checkregister
{
if ($VMWARE_VERSION eq "workstation") {
# return true
return 1;
}
else {
my $vmconfig = $_[0];
chomp(my @vmstatus = `"$vmwarecmd_prog" -l`);
# result must be like this
# /home/condor/vmware/Centos.vmx
# /home/condor/vmware/Centos2.vmx
foreach( @vmstatus ) {
# delete leading/trailing whitespace
s/^\s+|\s+$//g;
if( $_ eq $vmconfig ) {
# this vm is already registered
# return true
return 1;
}
}
# return false
return 0;
}
}
sub list
{
#list List all running VMs
!system @VMRUN_CMD, "list"
or printerror "Can't execute the command: '$vmrun_prog' list";
}
sub check
{
#check [vmconfig] Check if vmware command line tools are installed
!system @VMRUN_CMD, "list"
or printerror "Can't execute $vmrun_prog";
if ($VMWARE_VERSION ne "workstation") {
!system $vmwarecmd_prog, "-l"
or printerror "Can't execute $vmwarecmd_prog";
}
if (lc($^O) ne "mswin32") {
!system $mkisofs, "-version"
or printerror "Can't execute $mkisofs";
}
}
sub register
{
#register [vmconfig] Register a VM
if ($VMWARE_VERSION ne "workstation") {
printverbose "register is called";
my $vmconfig = checkvmconfig($_[0]);
if( ! checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "register", $vmconfig
# or printerror "Can't register a vm($vmconfig)";
system $vmwarecmd_prog, "-s", "register", $vmconfig;
}
}
}
sub unregister
{
#unregister [vmconfig] Unregister a VM
if ($VMWARE_VERSION ne "workstation") {
printverbose "unregister is called";
my $vmconfig = checkvmconfig($_[0]);
#if( checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "unregister", $vmconfig
# or printerror "Can't unregister a vm($vmconfig)";
#}
system $vmwarecmd_prog, "-s", "unregister", $vmconfig;
}
}
sub getvmpid
{
if ($VMWARE_VERSION eq "workstation") {
return 0;
}
else {
my $vmconfig = $_[0];
my $resultline = `"$vmwarecmd_prog" "$vmconfig" getpid`;
chomp($resultline);
if( ! $resultline ) {
printerror "Can't execute getpid of a vm($vmconfig)";
}
# result must be like "getpid() = 18690"
my @fields = split /=/, $resultline;
shift @fields;
my $pid_field = shift @fields;
if( ! defined($pid_field) ) {
printerror "Invalid format of getpid($resultline)";
}
# delete leading/trailing whitespace
$pid_field =~ s/^\s+|\s+$//g;
return $pid_field;
}
}
sub status
{
#status [vmconfig] Show the status of a VM
my $vmconfig = checkvmconfig($_[0]);
# If a second argument is passed, then we should print our results
# to stdout. Otherwise, just return the current status.
my $print_result = undef;
if ( defined($_[1]) ) {
$print_result = $_[1];
}
my $output_status = "Stopped"; # default status
if ($VMWARE_VERSION eq "workstation") {
# Just check to see if $vmconfig is listed in the output
my @vmstatus = `${VMRUNCMD} list`;
foreach my $i (@vmstatus) {
# delete newline
chomp($i);
if( $i eq $vmconfig ) {
$output_status = "Running";
}
}
}
else {
#if( checkregister($vmconfig) ) {
my $vmstatus = `"$vmwarecmd_prog" "$vmconfig" getstate`;
chomp($vmstatus);
if( ! $vmstatus ) {
printerror "Can't execute getstate of a vm($vmconfig)";
}
# result must be like "getstate() = on"
my @fields = split /=/, $vmstatus;
shift @fields;
my $status_field = shift @fields;
if( ! defined($status_field) ) {
printerror "Invalid format of getstate($vmstatus)";
}
# delete leading/trailing whitespace
$status_field =~ s/^\s+|\s+$//g;
$status_field = lc($status_field);
$output_status =
( $status_field eq "on") ? "Running" :
( $status_field eq "suspended") ? "Suspended" :
( $status_field eq "off") ? "Stopped":
"Error"; # default value
#}
}
if( defined($print_result) ) {
print OUTPUT "STATUS=$output_status\n";
if( $output_status eq "Running") {
my $vmpid = getvmpid($vmconfig);
print OUTPUT "PID=$vmpid\n";
}
}
return $output_status;
}
sub pidofvm
{
#getpid [vmconfig] Print PID of VM
printverbose "pidofvm is called";
my $vmconfig = checkvmconfig($_[0]);
# Get status
if ($VMWARE_VERSION ne "workstation") {
my $vmstatus = status($vmconfig);
if( $vmstatus ne "Running" ) {
printerror "vm($vmconfig) is not running";
}
}
# Get pid of main process of this VM
my $vmpid = getvmpid($vmconfig);
print OUTPUT "PID=$vmpid\n";
}
sub getvminfo
{
#getvminfo [vmconfig] Print info about VM
printverbose "getvminfo is called";
my $vmconfig = checkvmconfig($_[0]);
# Get status
my $vmstatus = status($vmconfig, 1);
if( $vmstatus ne "Running" ) {
return;
}
if ($VMWARE_VERSION eq "workstation") {
return;
}
else {
# Get mac address of VM
my $mac_address = undef;
my $resultline = `"$vmwarecmd_prog" "$vmconfig" getconfig ethernet0.generatedAddress`;
chomp($resultline);
if( $resultline ) {
# result must be like
# "getconfig(ethernet0.generatedAddress) = 00:0c:29:cb:40:bb"
my @fields = split /=/, $resultline;
shift @fields;
$mac_address = shift @fields;
# delete leading/trailing whitespace
$mac_address =~ s/^\s+|\s+$//g;
if( ! defined($mac_address) ) {
printwarn "Invalid format of getconfig for mac($resultline)";
$mac_address = undef;
}else {
print OUTPUT "MAC=$mac_address\n";
}
}
my $ip_address = undef;
if( defined($mac_address) ) {
# Get IP address of VM
# If dhcpd_lease file is defined, use it.
# Otherwise, use vmware tool.
if( defined($dhcpd_lease) && -r $dhcpd_lease ) {
my $tmp_lease_file = "dhcpd_lease";
copy( "$dhcpd_lease", "$tmp_lease_file")
or printwarn "Cannot copy file($dhcpd_lease) into working directory: $!";
if( -r $tmp_lease_file && open(LEASEFILE, $tmp_lease_file) ) {
my $tmp_ip;
while (<LEASEFILE>) {
next if /^#|^$/;
if( /^lease (\d+\.\d+\.\d+\.\d+)/) {
$tmp_ip = $1;
}
if( /$mac_address/ ) {
$ip_address = $tmp_ip;
}
}
close LEASEFILE;
}
unlink $tmp_lease_file;
}
if( defined($ip_address) ) {
printverbose "getting IP address using lease file($dhcpd_lease)";
}else {
# We failed to get IP address of guest VM
# We will retry to get it by using vmware tool
$resultline = `"$vmwarecmd_prog" "$vmconfig" getguestinfo ip`;
chomp($resultline);
if( $resultline ) {
# result must be like "getguestinfo(ip) = 172.16.123.143"
my @fields = split /=/, $resultline;
shift @fields;
$ip_address = shift @fields;
# delete leading/trailing whitespace
$ip_address =~ s/^\s+|\s+$//g;
if( ! defined($ip_address) ) {
$ip_address = undef;
printwarn "Invalid format of getguestinfo ip($resultline)";
}
}
}
if( defined($ip_address) ) {
print OUTPUT "IP=$ip_address\n";
}
}
}
}
sub start
{
#start [vmconfig] Start a VM
printverbose "start is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
!system @VMRUN_CMD, "start", $vmconfig, "nogui"
or printerror "Can't create vm with $vmconfig";
}
else {
if( ! checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "register", $vmconfig
# or printerror "Can't register a new vm with $vmconfig";
system $vmwarecmd_prog, "-s", "register", $vmconfig;
}
# Now, a new vm is registered
# Try to create a new vm
!system $vmwarecmd_prog, $vmconfig, "start", "trysoft"
or printerror "Can't create vm with $vmconfig";
}
sleep(5);
# Get pid of main process of this VM
my $vmpid = getvmpid($vmconfig);
print OUTPUT "PID=$vmpid\n";
}
sub stop
{
#stop [vmconfig] Shutdown a VM
printverbose "stop is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
# Try to stop vm
!system @VMRUN_CMD, "stop", $vmconfig, "hard"
or printerror "Can't stop vm with $vmconfig";
sleep(2);
}
else {
# Get status
my $vmstatus = status($vmconfig);
if( $vmstatus eq "Running" ) {
# Try to stop vm
!system $vmwarecmd_prog, $vmconfig, "stop", "hard"
or printerror "Can't stop vm with $vmconfig";
sleep(2);
}
unregister($vmconfig);
}
}
sub killvm
{
#killvm [vmconfig] kill a VM
printverbose "killvm is called";
my $matchstring = $_[0];
if ($VMWARE_VERSION eq "workstation") {
#
# Rather than error out and cause ugly warnings in the log,
# we'd like to try stopping the VM again. Unfortunately,
# the starter has already removed the execute directory by
# the time it calls VMwareType::killVMFast(), so we don't
# have a .vmx to pass to vmrun any longer. (The .vmx must
# exist; we can't just pass the path.)
#
my $processList = `ps uxw`;
my @processes = split( /\n/, $processList );
foreach my $process (@processes) {
if( $process =~ m/vmware-vmx.*$matchstring/ ) {
my( $user, $pid ) = split( /\s+/, $process );
printwarn( "Found '$process', trying to kill...\n" );
my $numSignalled = kill( 9, $pid );
if( $numSignalled < 1 ) {
printerror( "Failed to signal process '$process'.\n" );
} else {
printwarn( "Sent signal to process '$process'.\n" );
# Otherwise, the VM GAHP won't log the warnings. Change
# back to zero once this problem is corrected.
exit 1;
}
}
}
printwarn( "Found no process matching '$matchstring', assuming succesful prior termination." );
exit( 0 );
}
if( ! defined($matchstring) ) {
usage();
}
printverbose "matching string is '$matchstring'";
my $os = $^O;
if (lc($os) eq "mswin32") {
# replace \ with \\ for regular expression
$matchstring =~ s/\\/\\\\/g;
# replace / with \\ for regular expression
$matchstring =~ s/\//\\\\/g;
}
# Get the list of registered VMs
chomp(my @vmstatus = `"$vmwarecmd_prog" -l`);
# result must be like this
# /home/condor/vmware/Centos.vmx
# /home/condor/vmware/Centos2.vmx
my $ori_line;
foreach( @vmstatus ) {
# delete leading/trailing whitespace
s/^\s+|\s+$//g;
$ori_line = $_;
if (lc($os) eq "mswin32") {
# replace / with \
$_ =~ s/\//\\/g;
}
if( $_ =~ m{$matchstring} ) {
# this registed vm is matched
# Get pid of this vm
my $vmpid = getvmpid($ori_line);
if( defined($vmpid) ) {
printverbose "Killing process(pid=$vmpid)";
kill "KILL", $vmpid;
}
!system $vmwarecmd_prog, "-s", "unregister", $ori_line
or printwarn "Can't unregister a vm($ori_line)";
}
}
if (lc($os) eq "linux") {
# On Linux machines, we make certain no process for VM again.
my @pidarr;
my $psline;
my @psarr = `ps -ef`;
foreach $psline (@psarr)
{
if( $psline =~ m{$matchstring} && $psline =~ m/vmware-vmx/i && $psline !~ m{$0})
{
@pidarr = split (/ +/, $psline);
if( defined($pidarr[1]) ) {
printverbose "Killing process(pid=$pidarr[1])";
kill 9, $pidarr[1];
}
}
}
}
}
sub suspend
{
#suspend [vmconfig] Suspend a VM
printverbose "suspend is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
!system @VMRUN_CMD, "suspend", $vmconfig, "soft"
or printerror "Can't suspend vm with $vmconfig";
}
else {
# Get status
my $vmstatus = status($vmconfig);
if( $vmstatus ne "Running" ) {
printerror "vm($vmconfig) is not running";
}
!system $vmwarecmd_prog, $vmconfig, "suspend", "trysoft"
or printerror "Can't suspend vm with $vmconfig";
}
# We need to guarantee all memory data into a file
# VMware does some part of suspending in background mode
# So, we give some time to VMware
sleep(5);
}
sub resume
{
#resume [vmconfig] Restore a suspended VM
printverbose "resume is called";
my $vmconfig = checkvmconfig($_[0]);
# Get status
my $vmstatus = status($vmconfig);
if( $vmstatus ne "Running" ) {
start($vmconfig);
}
}
sub snapshot
{
#snapshot [vmconfig] Create a snapshot of a VM
printverbose "snapshot is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
!system @VMRUN_CMD, "snapshot", $vmconfig, "condor-snapshot"
or printerror "Can't create snapshot for vm($vmconfig)";
}
else {
if( ! checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "register", $vmconfig
# or printerror "Can't register a vm with $vmconfig";
system $vmwarecmd_prog, "-s", "register", $vmconfig;
}
!system $vmrun_prog, "snapshot", $vmconfig
or printerror "Can't create snapshot for vm($vmconfig)";
}
sleep(1);
}
sub commit
{
#commit [vmconfig] Commit COW disks and delete the COW
printverbose "commit is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
!system @VMRUN_CMD, "deleteSnapshot", $vmconfig, "condor-snapshot"
or printerror "Can't combine snapshot disk with base disk for vm($vmconfig)";
}
else {
if( ! checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "register", $vmconfig
# or printerror "Can't register a vm with $vmconfig";
system $vmwarecmd_prog, "-s", "register", $vmconfig;
}
!system $vmrun_prog, "deleteSnapshot", $vmconfig
or printerror "Can't combine snapshot disk with base disk for vm($vmconfig)";
}
sleep(5);
}
sub revert
{
#revert [vmconfig] Set VM state to a snapshot
printverbose "revert is called";
my $vmconfig = checkvmconfig($_[0]);
if ($VMWARE_VERSION eq "workstation") {
!system @VMRUN_CMD, "revertToSnapshot", $vmconfig, "condor-snapshot"
or printerror "Can't revert VM state to a snapshot for vm($vmconfig)";
}
else {
if( ! checkregister($vmconfig) ) {
#!system $vmwarecmd_prog, "-s", "register", $vmconfig
# or printerror "Can't register a vm with $vmconfig";
system $vmwarecmd_prog, "-s", "register", $vmconfig;
}
!system $vmrun_prog, "revertToSnapshot", $vmconfig
or printerror "Can't revert VM state to a snapshot for vm($vmconfig)";
}
sleep(5);
}
sub createiso
{
#createiso [listfile] [ISO] Create an ISO image with files in a listfile
printverbose "createiso is called";
my $isoconfig = $_[0];
my $isofile = $_[1];
if( ! defined($isofile) || ! defined($isoconfig)) {
usage();
}
unless( -e $isoconfig ) {
printerror "File($isoconfig) does not exist";
}
unless( -r $isoconfig ) {
printerror "File($isoconfig) is not readable";
}
# Create temporary directory
$tmpdir = $isofile.".dir";
mkdir("$tmpdir") || printerror "Cannot mkdir newdir";
# Read config file
open(ISOFILES, "$isoconfig")
or printerror "Cannot open the file($isoconfig) : $!";
# Copy all files in config into the temporary directory
while( <ISOFILES> ) {
chomp;
if( $_ ) {
copy( "$_", "$tmpdir")
or printerror "Cannot copy file($_) into directory($tmpdir) : $!";
}
}
close ISOFILES;
my $cdlabel = "CONDOR";
# Using volume ID, application Label, Joliet
if (lc($^O) eq "mswin32") {
!system $cdmake, "-q", "-j", "-m", $tmpdir, $cdlabel, $isofile
or printerror "Cannot create an ISO file($isofile)";
} else {
!system $mkisofs, "-quiet", "-o", $isofile, "-input-charset", "iso8859-1", "-J", "-A", $cdlabel, "-V", $cdlabel, $tmpdir
or printerror "Cannot create an ISO file($isofile)";
}
rmtree("$tmpdir")
or printwarn "Cannot delete temporary directory($tmpdir) and files in it";
sleep(1);
}
sub createconfig {}
if ($#ARGV < 0 || $ARGV[0] eq "--help") { usage(); }
elsif ($ARGV[0] eq "list") { list(); }
elsif ($ARGV[0] eq "check") { check(); }
elsif ($ARGV[0] eq "register") { register($ARGV[1]); }
elsif ($ARGV[0] eq "unregister"){ unregister($ARGV[1]); }
elsif ($ARGV[0] eq "start") { start($ARGV[1]); }
elsif ($ARGV[0] eq "stop") { stop($ARGV[1]); }
elsif ($ARGV[0] eq "killvm") { killvm($ARGV[1]); }
elsif ($ARGV[0] eq "suspend") { suspend($ARGV[1]); }
elsif ($ARGV[0] eq "resume") { resume($ARGV[1]); }
elsif ($ARGV[0] eq "status") { status($ARGV[1], 1); }
elsif ($ARGV[0] eq "getpid") { pidofvm($ARGV[1]); }
elsif ($ARGV[0] eq "getvminfo") { getvminfo($ARGV[1]); }
elsif ($ARGV[0] eq "snapshot") { snapshot($ARGV[1]); }
elsif ($ARGV[0] eq "commit") { commit($ARGV[1]); }
elsif ($ARGV[0] eq "revert") { revert($ARGV[1]); }
elsif ($ARGV[0] eq "createiso") { createiso($ARGV[1], $ARGV[2]); }
elsif ($ARGV[0] eq "createconfig") { createconfig($ARGV[1]); }
else { printerror "Unknown command \"$ARGV[0]\". See $progname --help."; }
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