LibreNMS/includes/discovery/vmware-vminfo.inc.php

84 lines
2.8 KiB
PHP

<?php
// FIXME should do the deletion etc in a common file perhaps? like for the sensors
/*
* Try to discover any Virtual Machines.
*/
if (($device['os'] == 'vmware') || ($device['os'] == 'linux')) {
/*
* Variable to hold the discovered Virtual Machines.
*/
$vmw_vmlist = array();
/*
* CONSOLE: Start the VMware discovery process.
*/
/*
* Fetch information about Virtual Machines.
*/
$oids = snmpwalk_cache_multi_oid($device, 'vmwVmTable', [], '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', 'vmware');
foreach ($oids as $index => $entry) {
$vmwVmDisplayName = $entry['vmwVmDisplayName'];
$vmwVmGuestOS = $entry['vmwVmGuestOS'];
$vmwVmMemSize = $entry['vmwVmMemSize'];
$vmwVmState = $entry['vmwVmState'];
$vmwVmCpus = $entry['vmwVmCpus'];
/*
* VMware does not return an INTEGER but a STRING of the vmwVmMemSize. This bug
* might be resolved by VMware in the future making this code obsolete.
*/
if (preg_match('/^([0-9]+) .*$/', $vmwVmMemSize, $matches)) {
$vmwVmMemSize = $matches[1];
}
/*
* Check whether the Virtual Machine is already known for this host.
*/
if (dbFetchCell("SELECT COUNT(id) FROM `vminfo` WHERE `device_id` = ? AND `vmwVmVMID` = ? AND vm_type='vmware'", array($device['device_id'], $index)) == 0) {
$vmid = dbInsert(array('device_id' => $device['device_id'], 'vm_type' => 'vmware', 'vmwVmVMID' => $index, 'vmwVmDisplayName' => mres($vmwVmDisplayName), 'vmwVmGuestOS' => mres($vmwVmGuestOS), 'vmwVmMemSize' => mres($vmwVmMemSize), 'vmwVmCpus' => mres($vmwVmCpus), 'vmwVmState' => mres($vmwVmState)), 'vminfo');
log_event(mres($vmwVmDisplayName) . " ($vmwVmMemSize GB / $vmwVmCpus vCPU) Discovered", $device, 'system', 3, $vmid);
echo '+';
// FIXME eventlog
} else {
echo '.';
}
/*
* Save the discovered Virtual Machine.
*/
$vmw_vmlist[] = $index;
}
/*
* Get a list of all the known Virtual Machines for this host.
*/
$sql = "SELECT id, vmwVmVMID, vmwVmDisplayName FROM vminfo WHERE device_id = '".$device['device_id']."' AND vm_type='vmware'";
foreach (dbFetchRows($sql) as $db_vm) {
/*
* Delete the Virtual Machines that are removed from the host.
*/
if (!in_array($db_vm['vmwVmVMID'], $vmw_vmlist)) {
dbDelete('vminfo', '`id` = ?', array($db_vm['id']));
log_event(mres($db_vm['vmwVmDisplayName']) . ' Removed', $device, 'system', 4, $db_vm['vmwVmVMID']);
echo '-';
// FIXME eventlog
}
}
/*
* Finished discovering VMware information.
*/
echo "\n";
}//end if