VMware Virtual Machine Reconfiguration Webinar Sample Code

exlisthw.pl

#!/usr/bin/perl -w

#######################################################################################
# DISCLAIMER. THIS SCRIPT IS PROVIDED TO YOU "AS IS" WITHOUT WARRANTIES OR CONDITIONS 
# OF ANY KIND, WHETHER ORAL OR WRITTEN, EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY 
# DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY 
# QUALITY, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. 
#######################################################################################

#######################################################################################
#
# exlisthw.pl
#	Example script that lists the virtual hardware of a virtual machine
#	Parameters:
#		-- server 	server name (either VC or ESX dns or ip address)
#		-- username 	credentials
#		-- password 		
#		-- vm  		name of virtual machine to query
#######################################################################################

use strict;
use warnings;
use Getopt::Long;
use VMware::VIRuntime;
use VMware::VILib;

my %opts = (
   vm  => {
      type     => "=s",
      variable => "vmName",
      help     => "Virtual Machine Name",
      required => 1});

# validate options, and connect to the server
Opts::add_options(%opts);
Opts::parse();
Opts::validate();
Util::connect();

#######################################################################################
#
# Find the virtual machine
#
#######################################################################################
my $vm_name = Opts::get_option ('vm');
my $vm_view = Vim::find_entity_view(view_type => 'VirtualMachine', filter => {'name' => "^$vm_name\$"});
Fail ("Virtual Machine $vm_name was not found.\n") unless ($vm_view);

#######################################################################################
#
# The config->hardware data object includes the virtual hardware information
#	numCPU     =>    number of virtual CPUs
#	memoryMB   =>    memory 
#	devices[]  =>    array of devices configured in virtual machine
#
#######################################################################################
my $virtual_hardware = $vm_view->config->hardware;
print "Information for Virtual Machine:  $vm_name\n";
printf ("Number of CPUs:       %d\n", $virtual_hardware->numCPU);
printf ("Memory Capacity (MB): %d\n", $virtual_hardware->memoryMB);
print "Summary of Devices\n";
print "Device         Key  Type\n"; 
print "------------------------ \n";

my $devices = $virtual_hardware->device;
foreach my $dev (sort {$a->key <=> $b->key} @$devices) {
    printf ("%-15.15s %4d %-20.20s\n", $dev->deviceInfo->label, $dev->key, ref($dev));
    }

# logout
Util::disconnect();


sub Fail {
    my ($msg) = @_;
    Util::disconnect();
    die ($msg);
    exit ();
}

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