Files
webgui/plugins/dynamix.vm.manager/VMajax.php

648 lines
20 KiB
PHP

<?PHP
/* Copyright 2005-2016, Lime Technology
* Copyright 2015-2016, Derek Macias, Eric Schultz, Jon Panozzo.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*/
?>
<?
require_once('/usr/local/emhttp/webGui/include/Helpers.php');
require_once('/usr/local/emhttp/plugins/dynamix.vm.manager/classes/libvirt.php');
require_once('/usr/local/emhttp/plugins/dynamix.vm.manager/classes/libvirt_helpers.php');
function requireLibvirt() {
global $lv;
// Make sure libvirt is connected to qemu
if (!isset($lv) || !$lv->enabled()) {
header('Content-Type: application/json');
die(json_encode(['error' => 'failed to connect to the hypervisor']));
}
}
$arrSizePrefix = [
0 => '',
1 => 'K',
2 => 'M',
3 => 'G',
4 => 'T',
5 => 'P'
];
$_REQUEST = array_merge($_GET, $_POST);
$action = array_key_exists('action', $_REQUEST) ? $_REQUEST['action'] : '';
$uuid = array_key_exists('uuid', $_REQUEST) ? $_REQUEST['uuid'] : '';
if ($uuid) {
requireLibvirt();
$domName = $lv->domain_get_name_by_uuid($uuid);
if (!$domName) {
header('Content-Type: application/json');
die(json_encode(['error' => $lv->get_last_error()]));
}
}
$arrResponse = [];
switch ($action) {
case 'domain-autostart':
requireLibvirt();
$arrResponse = $lv->domain_set_autostart($domName, ($_REQUEST['autostart'] != "false")) ?
['success' => true, 'autostart' => (bool)$lv->domain_get_autostart($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-start':
requireLibvirt();
$arrResponse = $lv->domain_start($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-pause':
requireLibvirt();
$arrResponse = $lv->domain_suspend($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-resume':
requireLibvirt();
$arrResponse = $lv->domain_resume($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-pmwakeup':
requireLibvirt();
// No support in libvirt-php to do a dompmwakeup, use virsh tool instead
exec("virsh dompmwakeup " . escapeshellarg($uuid) . " 2>&1", $arrOutput, $intReturnCode);
$arrResponse = ($intReturnCode == 0) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => str_replace('error: ', '', implode('. ', $arrOutput))];
break;
case 'domain-restart':
requireLibvirt();
$arrResponse = $lv->domain_reboot($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-save':
requireLibvirt();
$arrResponse = $lv->domain_save($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-stop':
requireLibvirt();
$arrResponse = $lv->domain_shutdown($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-destroy':
requireLibvirt();
$arrResponse = $lv->domain_destroy($domName) ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-delete':
requireLibvirt();
$arrResponse = $lv->domain_delete($domName) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'domain-undefine':
requireLibvirt();
$arrResponse = $lv->domain_undefine($domName) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'domain-define':
requireLibvirt();
$domName = $lv->domain_define($_REQUEST['xml']);
$arrResponse = $domName ?
['success' => true, 'state' => $lv->domain_get_state($domName)] :
['error' => $lv->get_last_error()];
break;
case 'domain-state':
requireLibvirt();
$state = $lv->domain_get_state($domName);
$arrResponse = ($state) ?
['success' => true, 'state' => $state] :
['error' => $lv->get_last_error()];
break;
case 'domain-diskdev':
requireLibvirt();
$arrResponse = ($lv->domain_set_disk_dev($domName, $_REQUEST['olddev'], $_REQUEST['diskdev'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'cdrom-change':
requireLibvirt();
$arrResponse = ($lv->domain_change_cdrom($domName, $_REQUEST['cdrom'], $_REQUEST['dev'], $_REQUEST['bus'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'memory-change':
requireLibvirt();
$arrResponse = ($lv->domain_set_memory($domName, $_REQUEST['memory']*1024)) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'vcpu-change':
requireLibvirt();
$arrResponse = ($lv->domain_set_vcpu($domName, $_REQUEST['vcpu'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'bootdev-change':
requireLibvirt();
$arrResponse = ($lv->domain_set_boot_device($domName, $_REQUEST['bootdev'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'disk-remove':
requireLibvirt();
$arrResponse = ($lv->domain_disk_remove($domName, $_REQUEST['dev'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'snap-create':
requireLibvirt();
$arrResponse = ($lv->domain_snapshot_create($domName)) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'snap-delete':
requireLibvirt();
$arrResponse = ($lv->domain_snapshot_delete($domName, $_REQUEST['snap'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'snap-revert':
requireLibvirt();
$arrResponse = ($lv->domain_snapshot_revert($domName, $_REQUEST['snap'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'snap-desc':
requireLibvirt();
$arrResponse = ($lv->snapshot_set_metadata($domName, $_REQUEST['snap'], $_REQUEST['snapdesc'])) ?
['success' => true] :
['error' => $lv->get_last_error()];
break;
case 'disk-create':
$disk = $_REQUEST['disk'];
$driver = $_REQUEST['driver'];
$size = str_replace(["KB","MB","GB","TB","PB", " ", ","], ["K","M","G","T","P", "", ""], strtoupper($_REQUEST['size']));
$dir = dirname($disk);
if (!is_dir($dir))
mkdir($dir);
// determine the actual disk if user share is being used
$dir = transpose_user_path($dir);
@exec("chattr +C -R " . escapeshellarg($dir) . " >/dev/null");
$strLastLine = exec("qemu-img create -q -f " . escapeshellarg($driver) . " " . escapeshellarg($disk) . " " . escapeshellarg($size) . " 2>&1", $out, $status);
if (empty($status)) {
$arrResponse = ['success' => true];
} else {
$arrResponse = ['error' => $strLastLine];
}
break;
case 'disk-resize':
$disk = $_REQUEST['disk'];
$capacity = str_replace(["KB","MB","GB","TB","PB", " ", ","], ["K","M","G","T","P", "", ""], strtoupper($_REQUEST['cap']));
$old_capacity = str_replace(["KB","MB","GB","TB","PB", " ", ","], ["K","M","G","T","P", "", ""], strtoupper($_REQUEST['oldcap']));
if (substr($old_capacity,0,-1) < substr($capacity,0,-1)){
$strLastLine = exec("qemu-img resize -q " . escapeshellarg($disk) . " " . escapeshellarg($capacity) . " 2>&1", $out, $status);
if (empty($status)) {
$arrResponse = ['success' => true];
} else {
$arrResponse = ['error' => $strLastLine];
}
} else {
$arrResponse = ['error' => "Disk capacity has to be greater than " . $old_capacity];
}
break;
case 'file-info':
$file = $_REQUEST['file'];
$arrResponse = [
'isfile' => (!empty($file) ? is_file($file) : false),
'isdir' => (!empty($file) ? is_dir($file) : false),
'isblock' => (!empty($file) ? is_block($file) : false),
'resizable' => false
];
// if file, get size and format info
if (is_file($file)) {
$json_info = getDiskImageInfo($file);
if (!empty($json_info)) {
$intDisplaySize = (int)$json_info['virtual-size'];
$intShifts = 0;
while (!empty($intDisplaySize) &&
(floor($intDisplaySize) == $intDisplaySize) &&
isset($arrSizePrefix[$intShifts])) {
$arrResponse['display-size'] = $intDisplaySize . $arrSizePrefix[$intShifts];
$intDisplaySize /= 1024;
$intShifts++;
}
$arrResponse['virtual-size'] = $json_info['virtual-size'];
$arrResponse['actual-size'] = $json_info['actual-size'];
$arrResponse['format'] = $json_info['format'];
$arrResponse['dirty-flag'] = $json_info['dirty-flag'];
$arrResponse['resizable'] = true;
}
} else if (is_block($file)) {
$strDevSize = trim(shell_exec("blockdev --getsize64 " . escapeshellarg($file)));
if (!empty($strDevSize) && is_numeric($strDevSize)) {
$arrResponse['actual-size'] = (int)$strDevSize;
$arrResponse['format'] = 'raw';
$intDisplaySize = (int)$strDevSize;
$intShifts = 0;
while (!empty($intDisplaySize) &&
($intDisplaySize >= 2) &&
isset($arrSizePrefix[$intShifts])) {
$arrResponse['display-size'] = round($intDisplaySize, 0) . $arrSizePrefix[$intShifts];
$intDisplaySize /= 1000; // 1000 looks better than 1024 for block devs
$intShifts++;
}
}
}
break;
case 'generate-mac':
requireLibvirt();
$arrResponse = [
'mac' => $lv->generate_random_mac_addr()
];
break;
case 'get-vm-icons':
$arrImages = [];
foreach (glob("/usr/local/emhttp/plugins/dynamix.vm.manager/templates/images/*.png") as $png_file) {
$arrImages[] = [
'custom' => false,
'basename' => basename($png_file),
'url' => '/plugins/dynamix.vm.manager/templates/images/' . basename($png_file)
];
}
$arrResponse = $arrImages;
break;
case 'get-usb-devices':
$arrValidUSBDevices = getValidUSBDevices();
$arrResponse = $arrValidUSBDevices;
break;
case 'hot-attach-usb':
//TODO - If usb is a block device, then attach as a <disk type="usb"> otherwise <hostdev type="usb">
/*
<hostdev mode='subsystem' type='usb'>
<source startupPolicy='optional'>
<vendor id='0x1234'/>
<product id='0xbeef'/>
</source>
</hostdev>
<disk type='block' device='disk'>
<driver name='qemu' type='raw'/>
<source dev='/dev/sda'/>
<target dev='hdX' bus='virtio'/>
</disk>
*/
break;
case 'hot-detach-usb':
//TODO
break;
case 'acs-override-enable':
// Check the /boot/syslinux/syslinux.cfg for the existance of pcie_acs_override=downstream, add it in if not found
$arrSyslinuxCfg = file('/boot/syslinux/syslinux.cfg');
$strCurrentLabel = '';
$boolModded = false;
foreach ($arrSyslinuxCfg as &$strSyslinuxCfg) {
if (stripos(trim($strSyslinuxCfg), 'label ') === 0) {
$strCurrentLabel = trim(str_ireplace('label ', '', $strSyslinuxCfg));
}
if (stripos($strSyslinuxCfg, 'append ') !== false) {
if (stripos($strSyslinuxCfg, 'pcie_acs_override=') === false) {
// pcie_acs_override=downstream was not found so append it in
$strSyslinuxCfg = str_ireplace('append ', 'append pcie_acs_override=downstream ', $strSyslinuxCfg);
$boolModded = true;
}
// We just modify the first append line, other boot menu items are untouched
break;
}
}
if ($boolModded) {
// Write Changes to syslinux.cfg
file_put_contents('/boot/syslinux/syslinux.cfg', implode('', $arrSyslinuxCfg));
}
$arrResponse = ['success' => true, 'label' => $strCurrentLabel];
break;
case 'acs-override-disable':
// Check the /boot/syslinux/syslinux.cfg for the existance of pcie_acs_override=, remove it if found
$arrSyslinuxCfg = file('/boot/syslinux/syslinux.cfg');
$strCurrentLabel = '';
$boolModded = false;
foreach ($arrSyslinuxCfg as &$strSyslinuxCfg) {
if (stripos(trim($strSyslinuxCfg), 'label ') === 0) {
$strCurrentLabel = trim(str_ireplace('label ', '', $strSyslinuxCfg));
}
if (stripos($strSyslinuxCfg, 'append ') !== false) {
if (stripos($strSyslinuxCfg, 'pcie_acs_override=') !== false) {
// pcie_acs_override= was found so remove the two variations
$strSyslinuxCfg = str_ireplace('pcie_acs_override=downstream ', '', $strSyslinuxCfg);
$strSyslinuxCfg = str_ireplace('pcie_acs_override=multifunction ', '', $strSyslinuxCfg);
$boolModded = true;
}
// We just modify the first append line, other boot menu items are untouched
break;
}
}
if ($boolModded) {
// Write Changes to syslinux.cfg
file_put_contents('/boot/syslinux/syslinux.cfg', implode('', $arrSyslinuxCfg));
}
$arrResponse = ['success' => true, 'label' => $strCurrentLabel];
break;
case 'virtio-win-iso-info':
$path = $_REQUEST['path'];
$file = $_REQUEST['file'];
if (empty($file)) {
$arrResponse = ['exists' => false];
break;
}
if (is_file($file)) {
$arrResponse = ['exists' => true, 'path' => $file];
break;
}
if (empty($path) || !is_dir($path)) {
$path = '/mnt/user/isos/';
} else {
$path = str_replace('//', '/', $path.'/');
}
$file = $path.$file;
if (is_file($file)) {
$arrResponse = ['exists' => true, 'path' => $file];
break;
}
$arrResponse = ['exists' => false];
break;
case 'virtio-win-iso-download':
$arrDownloadVirtIO = [];
$strKeyName = basename($_POST['download_version'], '.iso');
if (array_key_exists($strKeyName, $virtio_isos)) {
$arrDownloadVirtIO = $virtio_isos[$strKeyName];
}
if (empty($arrDownloadVirtIO)) {
$arrResponse = ['error' => 'Unknown version: ' . $_POST['download_version']];
} else if (empty($_POST['download_path'])) {
$arrResponse = ['error' => 'Specify a ISO storage path first'];
} else if (!is_dir($_POST['download_path'])) {
$arrResponse = ['error' => 'ISO storage path doesn\'t exist, please create the user share (or empty folder) first'];
} else {
@mkdir($_POST['download_path'], 0777, true);
$_POST['download_path'] = realpath($_POST['download_path']) . '/';
// Check free space
if (disk_free_space($_POST['download_path']) < $arrDownloadVirtIO['size']+10000) {
$arrResponse['error'] = 'Not enough free space, need at least ' . ceil($arrDownloadVirtIO['size']/1000000).'MB';
break;
}
$boolCheckOnly = !empty($_POST['checkonly']);
$strInstallScript = '/tmp/VirtIOWin_' . $strKeyName . '_install.sh';
$strInstallScriptPgrep = '-f "VirtIOWin_' . $strKeyName . '_install.sh"';
$strTargetFile = $_POST['download_path'] . $arrDownloadVirtIO['name'];
$strLogFile = $strTargetFile . '.log';
$strMD5File = $strTargetFile . '.md5';
$strMD5StatusFile = $strTargetFile . '.md5status';
// Save to /boot/config/domain.conf
$domain_cfg['MEDIADIR'] = $_POST['download_path'];
$domain_cfg['VIRTIOISO'] = $strTargetFile;
$tmp = '';
foreach ($domain_cfg as $key => $value) $tmp .= "$key=\"$value\"\n";
file_put_contents($domain_cfgfile, $tmp);
$strDownloadCmd = 'wget -nv -c -O ' . escapeshellarg($strTargetFile) . ' ' . escapeshellarg($arrDownloadVirtIO['url']);
$strDownloadPgrep = '-f "wget.*' . $strTargetFile . '.*' . $arrDownloadVirtIO['url'] . '"';
$strVerifyCmd = 'md5sum -c ' . escapeshellarg($strMD5File);
$strVerifyPgrep = '-f "md5sum.*' . $strMD5File . '"';
$strCleanCmd = '(chmod 777 ' . escapeshellarg($_POST['download_path']) . ' ' . escapeshellarg($strTargetFile) . '; chown nobody:users ' . escapeshellarg($_POST['download_path']) . ' ' . escapeshellarg($strTargetFile) . '; rm ' . escapeshellarg($strMD5File) . ' ' . escapeshellarg($strMD5StatusFile) . ')';
$strCleanPgrep = '-f "chmod.*chown.*rm.*' . $strMD5StatusFile . '"';
$strAllCmd = "#!/bin/bash\n\n";
$strAllCmd .= $strDownloadCmd . ' >>' . escapeshellarg($strLogFile) . ' 2>&1 && ';
$strAllCmd .= 'echo "' . $arrDownloadVirtIO['md5'] . ' ' . $strTargetFile . '" > ' . escapeshellarg($strMD5File) . ' && ';
$strAllCmd .= $strVerifyCmd . ' >' . escapeshellarg($strMD5StatusFile) . ' 2>/dev/null && ';
$strAllCmd .= $strCleanCmd . ' >>' . escapeshellarg($strLogFile) . ' 2>&1 && ';
$strAllCmd .= 'rm ' . escapeshellarg($strLogFile) . ' && ';
$strAllCmd .= 'rm ' . escapeshellarg($strInstallScript);
$arrResponse = [];
if (file_exists($strTargetFile)) {
if (!file_exists($strLogFile)) {
if (!pgrep($strDownloadPgrep)) {
// Status = done
$arrResponse['status'] = 'Done';
$arrResponse['localpath'] = $strTargetFile;
$arrResponse['localfolder'] = dirname($strTargetFile);
} else {
// Status = cleanup
$arrResponse['status'] = 'Cleanup ... ';
}
} else {
if (pgrep($strDownloadPgrep)) {
// Get Download percent completed
$intSize = filesize($strTargetFile);
$strPercent = 0;
if ($intSize > 0) {
$strPercent = round(($intSize / $arrDownloadVirtIO['size']) * 100);
}
$arrResponse['status'] = 'Downloading ... ' . $strPercent . '%';
} else if (pgrep($strVerifyPgrep)) {
// Status = running md5 check
$arrResponse['status'] = 'Verifying ... ';
} else if (file_exists($strMD5StatusFile)) {
// Status = running extract
$arrResponse['status'] = 'Cleanup ... ';
// Examine md5 status
$strMD5StatusContents = file_get_contents($strMD5StatusFile);
if (strpos($strMD5StatusContents, ': FAILED') !== false) {
// ERROR: MD5 check failed
unset($arrResponse['status']);
$arrResponse['error'] = 'MD5 verification failed, your download is incomplete or corrupted.';
}
} else if (!file_exists($strMD5File)) {
// Status = running md5 check
$arrResponse['status'] = 'Downloading ... 100%';
if (!pgrep($strInstallScriptPgrep) && !$boolCheckOnly) {
// Run all commands
file_put_contents($strInstallScript, $strAllCmd);
chmod($strInstallScript, 0777);
exec($strInstallScript . ' >/dev/null 2>&1 &');
}
}
}
} else if (!$boolCheckOnly) {
if (!pgrep($strInstallScriptPgrep)) {
// Run all commands
file_put_contents($strInstallScript, $strAllCmd);
chmod($strInstallScript, 0777);
exec($strInstallScript . ' >/dev/null 2>&1 &');
}
$arrResponse['status'] = 'Downloading ... ';
}
$arrResponse['pid'] = pgrep($strInstallScriptPgrep);
}
break;
case 'virtio-win-iso-cancel':
$arrDownloadVirtIO = [];
$strKeyName = basename($_POST['download_version'], '.iso');
if (array_key_exists($strKeyName, $virtio_isos)) {
$arrDownloadVirtIO = $virtio_isos[$strKeyName];
}
if (empty($arrDownloadVirtIO)) {
$arrResponse = ['error' => 'Unknown version: ' . $_POST['download_version']];
} else if (empty($_POST['download_path'])) {
$arrResponse = ['error' => 'ISO storage path was empty'];
} else if (!is_dir($_POST['download_path'])) {
$arrResponse = ['error' => 'ISO storage path doesn\'t exist'];
} else {
$strInstallScriptPgrep = '-f "VirtIOWin_' . $strKeyName . '_install.sh"';
$pid = pgrep($strInstallScriptPgrep);
if (!$pid) {
$arrResponse = ['error' => 'Not running'];
} else {
if (!posix_kill($pid, SIGTERM)) {
$arrResponse = ['error' => 'Wasn\'t able to stop the process'];
} else {
$strTargetFile = $_POST['download_path'] . $arrDownloadVirtIO['name'];
$strLogFile = $strTargetFile . '.log';
$strMD5File = $strTargetFile . '.md5';
$strMD5StatusFile = $strTargetFile . '.md5status';
@unlink($strTargetFile);
@unlink($strMD5File);
@unlink($strMD5StatusFile);
@unlink($strLogFile);
$arrResponse['status'] = 'Done';
}
}
}
break;
default:
$arrResponse = ['error' => 'Unknown action \'' . $action . '\''];
break;
}
header('Content-Type: application/json');
die(json_encode($arrResponse));