function domain_define($xml) {
if (strpos($xml,'<qemu:commandline>')) {
$tmp = explode("\n", $xml);
for ($i = 0; $i < sizeof($tmp); $i++)
if (strpos('.'.$tmp[$i], "<domain type='kvm'"))
$tmp[$i] = "<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>";
$xml = join("\n", $tmp);
}
$tmp = libvirt_domain_define_xml($this->conn, $xml);
return ($tmp) ? $tmp : $this->_set_last_error();
}
function domain_define($xml)
{
$tmp = libvirt_domain_define_xml($this->conn, $xml);
return $tmp ? $tmp : $this->_set_last_error();
}
/**
* attach a disk device with associated volume, to a virtual machine on the virt host
*
* @global resource $host_conn libvirt connection
*
* @param string $vm_virt_id virt_id of the vm
* @param int $vm_disk_instance instance of device (used to determine device name)
* @param string $volume_virt_id virt_id of volume
*
* @return bool on success
*/
function ace_kvm_vm_attach_disk($vm_virt_id, $vm_disk_instance, $volume_virt_id)
{
global $host_conn;
$vm_res = libvirt_domain_lookup_by_name($host_conn, $vm_virt_id);
ace_kvm_log_last_error();
$valid_disk_devs = array('', 'vda', 'vdb', 'vdc', 'vdd', 'vde', 'vdf', 'vdg', 'vdh');
$virt_target_dev = $valid_disk_devs[$vm_disk_instance];
$domain_xml = ace_kvm_get_vm_config($vm_virt_id);
$sxe_domain = new SimpleXMLElement($domain_xml);
$arr_of_sxe_devices_fragments = $sxe_domain->xpath('/domain/devices');
$sxe_devices = $arr_of_sxe_devices_fragments[0];
$sxe_disk = $sxe_devices->addChild('disk');
$sxe_disk->addAttribute('type', 'volume');
$sxe_disk->addAttribute('device', 'disk');
$sxe_disk_driver = $sxe_disk->addChild('driver');
$sxe_disk_driver->addAttribute('name', 'qemu');
$sxe_disk_driver->addAttribute('type', 'qcow2');
$sxe_disk_driver->addAttribute('cache', 'none');
$sxe_disk_source = $sxe_disk->addChild('source');
$sxe_disk_source->addAttribute('pool', _IMAGE_POOL_);
$sxe_disk_source->addAttribute('volume', $volume_virt_id);
$sxe_disk_target = $sxe_disk->addChild('target');
$sxe_disk_target->addAttribute('dev', $virt_target_dev);
$sxe_disk_target->addAttribute('bus', 'virtio');
$xml = $sxe_domain->asXML();
$success = libvirt_domain_undefine($vm_res);
ace_kvm_log_last_error();
$vm_res = libvirt_domain_define_xml($host_conn, $xml);
ace_kvm_log_last_error();
return is_resource($vm_res) ? TRUE : FALSE;
}
