mirror of
https://github.com/librenms/librenms.git
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122 lines
4.9 KiB
PHP
122 lines
4.9 KiB
PHP
<?php
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// FIXME should do the deletion etc in a common file perhaps? like for the sensors
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/*
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* Try to discover any Virtual Machines.
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*/
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if (($device['os'] == 'vmware') || ($device['os'] == 'linux')) {
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/*
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* Variable to hold the discovered Virtual Machines.
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*/
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$vmw_vmlist = array();
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/*
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* CONSOLE: Start the VMware discovery process.
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*/
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echo 'VMware VM: ';
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/*
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* Fetch the list is Virtual Machines.
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*
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* vmwVmVMID.224 = INTEGER: 224
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* vmwVmVMID.416 = INTEGER: 416
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* ...
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*/
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$oids = snmp_walk($device, 'VMWARE-VMINFO-MIB::vmwVmVMID', '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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if (empty($oids)) {
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$oids = trim(snmp_walk($device, 'vmwVmUUID', '-Osq', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs'));
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$oids = str_replace('vmwVmUUID.', '', $oids);
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}
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if ($oids != '') {
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$oids = explode("\n", $oids);
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foreach ($oids as $data) {
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$data = trim($data);
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list($oid,) = explode(' ', $data);
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/*
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* Fetch the Virtual Machine information.
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*
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* vmwVmDisplayName.224 = STRING: My First VM
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* vmwVmDisplayName.416 = STRING: My Second VM
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* vmwVmGuestOS.224 = STRING: windows7Server64Guest
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* vmwVmGuestOS.416 = STRING: winLonghornGuest
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* vmwVmMemSize.224 = INTEGER: 8192 megabytes
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* vmwVmMemSize.416 = INTEGER: 8192 megabytes
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* vmwVmState.224 = STRING: poweredOn
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* vmwVmState.416 = STRING: poweredOn
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* vmwVmVMID.224 = INTEGER: 224
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* vmwVmVMID.416 = INTEGER: 416
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* vmwVmCpus.224 = INTEGER: 2
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* vmwVmCpus.416 = INTEGER: 2
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*/
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$vmwVmDisplayName = snmp_get($device, 'vmwVmDisplayName.'.$oid, '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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$vmwVmGuestOS = snmp_get($device, 'vmwVmGuestOS.'.$oid, '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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$vmwVmMemSize = snmp_get($device, 'vmwVmMemSize.'.$oid, '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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$vmwVmState = snmp_get($device, 'vmwVmState.'.$oid, '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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$vmwVmCpus = snmp_get($device, 'vmwVmCpus.'.$oid, '-Osqnv', '+VMWARE-ROOT-MIB:VMWARE-VMINFO-MIB', '+'.$config['install_dir'].'/mibs/vmware:'.$config['install_dir'].'/mibs');
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/*
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* VMware does not return an INTEGER but a STRING of the vmwVmMemSize. This bug
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* might be resolved by VMware in the future making this code obsolete.
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*/
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if (preg_match('/^([0-9]+) .*$/', $vmwVmMemSize, $matches)) {
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$vmwVmMemSize = $matches[1];
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}
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/*
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* Check whether the Virtual Machine is already known for this host.
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*/
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if (dbFetchCell("SELECT COUNT(id) FROM `vminfo` WHERE `device_id` = ? AND `vmwVmVMID` = ? AND vm_type='vmware'", array($device['device_id'], $oid)) == 0) {
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$vmid = dbInsert(array('device_id' => $device['device_id'], 'vm_type' => 'vmware', 'vmwVmVMID' => $oid, 'vmwVmDisplayName' => mres($vmwVmDisplayName), 'vmwVmGuestOS' => mres($vmwVmGuestOS), 'vmwVmMemSize' => mres($vmwVmMemSize), 'vmwVmCpus' => mres($vmwVmCpus), 'vmwVmState' => mres($vmwVmState)), 'vminfo');
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log_event(mres($vmwVmDisplayName)." ($vmwVmMemSize GB / $vmwVmCpus vCPU) Discovered", $device, 'system', $vmid);
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echo '+';
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// FIXME eventlog
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}
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else {
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echo '.';
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}
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// FIXME update code!
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/*
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* Save the discovered Virtual Machine.
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*/
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$vmw_vmlist[] = $oid;
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}//end foreach
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}//end if
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/*
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* Get a list of all the known Virtual Machines for this host.
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*/
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$sql = "SELECT id, vmwVmVMID, vmwVmDisplayName FROM vminfo WHERE device_id = '".$device['device_id']."' AND vm_type='vmware'";
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foreach (dbFetchRows($sql) as $db_vm) {
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/*
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* Delete the Virtual Machines that are removed from the host.
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*/
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if (!in_array($db_vm['vmwVmVMID'], $vmw_vmlist)) {
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dbDelete('vminfo', '`id` = ?', array($db_vm['id']));
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log_event(mres($db_vm['vmwVmDisplayName']).' Removed', $device, 'system', $db_vm['vmwVmVMID']);
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echo '-';
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// FIXME eventlog
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}
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}
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/*
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* Finished discovering VMware information.
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*/
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echo "\n";
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}//end if
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