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#!/usr/bin/perl

use strict;

use warnings;

use VMware::VIRuntime;

use Data::Dumper;

Opts::parse();

Opts::validate();

Util::connect();

my $vms = Vim::find_entity_views(

  view_type => 'VirtualMachine',

  properties => ['config.hardware.device', 'name']

);

my $vm = $vms->[0];

my @disks = grep { $_->isa('VirtualDisk') } @{$vm->{'config.hardware.device'}};

my $disk = $disks[0];

my $sharesInfo = new SharesInfo(

  level => new SharesLevel("custom"),

  shares => 4000

);

my $io_alloc = StorageIOAllocationInfo->new(

  shares => $sharesInfo,

  limit => "10"

);

$disk->storageIOAllocation($io_alloc);

my $virtualDeviceConfigSpec = VirtualDeviceConfigSpec->new (device => $disk, operation => VirtualDeviceConfigSpecOperation->new('edit'));

my $vmConfig = VirtualMachineConfigSpec->new (deviceChange => [$virtualDeviceConfigSpec]);

$vm->ReconfigVM (spec => $vmConfig);

print "VM " . $vm->{'name'} . " reconfigured\n";