<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage discovery
 * @copyright  (C) Adam Armstrong
 *
 */

// Try to discover any Virtual Machines.

// Variable to hold the discovered Virtual Machines.
$vmw_vmlist = [];

/*
 * Fetch the Virtual Machine information.
 *
 *  VMWARE-VMINFO-MIB::vmwVmDisplayName.224 = STRING: My First VM
 *  VMWARE-VMINFO-MIB::vmwVmDisplayName.416 = STRING: My Second VM
 *  VMWARE-VMINFO-MIB::vmwVmGuestOS.224 = STRING: windows7Server64Guest
 *  VMWARE-VMINFO-MIB::vmwVmGuestOS.416 = STRING: winLonghornGuest
 *  VMWARE-VMINFO-MIB::vmwVmMemSize.224 = INTEGER: 8192 megabytes
 *  VMWARE-VMINFO-MIB::vmwVmMemSize.416 = INTEGER: 8192 megabytes
 *  VMWARE-VMINFO-MIB::vmwVmState.224 = STRING: poweredOn
 *  VMWARE-VMINFO-MIB::vmwVmState.416 = STRING: poweredOn
 *  VMWARE-VMINFO-MIB::vmwVmVMID.224 = INTEGER: 224
 *  VMWARE-VMINFO-MIB::vmwVmVMID.416 = INTEGER: 416
 *  VMWARE-VMINFO-MIB::vmwVmCpus.224 = INTEGER: 2
 *  VMWARE-VMINFO-MIB::vmwVmCpus.416 = INTEGER: 2
 */

$oids = snmpwalk_cache_oid($device, 'vmwVmTable', [], 'VMWARE-VMINFO-MIB');

foreach ($oids as $index => $entry) {
    // Call VM discovery
    discover_virtual_machine($valid, $device, [ 'id'       => $entry['vmwVmUUID'],
                                                'name'     => $entry['vmwVmDisplayName'],
                                                'cpucount' => $entry['vmwVmCpus'],
                                                'memory'   => $entry['vmwVmMemSize'] * 1024 * 1024,
                                                'status'   => $entry['vmwVmState'],
                                                'os'       => $entry['vmwVmGuestOS'],
                                                'type'     => 'vmware',
                                                'source'   => 'vmware-snmp' ]);
}

// Clean up removed VMs (our type - vmware-snmp - only, so we don't clean up other modules' VMs)
check_valid_virtual_machines($device, $valid, 'vmware-snmp');
//echo(PHP_EOL);

// EOF