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libvirtweb.aio.php
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libvirtweb.aio.php
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<?php
/*
MIT License
Copyright (c) 2019 Jonathan Barda
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
// Init session
session_start([
'name' => 'libvirt-session',
'cookie_httponly' => '1',
'use_strict_mode' => '1'
]);
// Session security
if (session_status() === PHP_SESSION_ACTIVE) {
// Regenerate session id to avoid session fixation attacks
session_regenerate_id(false);
}
// Prepare session data
if (!isset($_SESSION['notifications'])) {
$_SESSION['notifications'] = new stdClass;
$_SESSION['notifications']->info = [];
$_SESSION['notifications']->error = [];
}
// Call the 'PPM' Image reader class
// Class code is taken from: https://www.webdecker.de/artikel/items/php-ppm-image-file-reader.html
require_once __DIR__ . '/libs/PpmImageReader.php';
// Slightly modified version from: https://stackoverflow.com/a/20506281
function dom2xml($domNode) {
foreach($domNode->childNodes as $node) {
if ($node->hasChildNodes()) {
dom2xml($node);
}
else {
if ($domNode->hasAttributes() && strlen($domNode->nodeValue)) {
$domNode->setAttribute("nodeValue", $node->textContent);
$node->nodeValue = "";
}
}
}
}
// Slightly modified version from: https://stackoverflow.com/a/20506281
function xml2json($xml, $as_array = false, $pretty_print = false) {
// Create a new DOM document and load XML into it
$dom = new DOMDocument();
$dom->loadXML($xml);
// Read and format the XML string
dom2xml($dom);
// Convert the XML string into an SimpleXMLElement object.
$xmlObject = simplexml_load_string($dom->saveXML());
// Encode the SimpleXMLElement object into a JSON string.
if ($pretty_print === true) {
$jsonString = str_replace(['@', '"\n"'], ['', '""'], json_encode($xmlObject, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
}
else {
$jsonString = str_replace(['@', '"\n"'], ['', '""'], json_encode($xmlObject, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES));
}
// Convert it back into an associative array for the purposes of testing.
$jsonArray = json_decode($jsonString, true);
// Return an array or a string
return ($as_array === true ? $jsonArray : $jsonString);
}
// Taken from my CMS project: CMS-Base
function get_loading_time() {
return number_format(microtime(true) - $_SERVER["REQUEST_TIME_FLOAT"], 4);
}
function secure_password($pass) {
if ($pass) {
return base64_encode(str_rot13($pass));
}
return false;
}
function restore_password($pass) {
if ($pass) {
return base64_decode(str_rot13($pass));
}
return false;
}
// Wrapper to the 'PPM' Image reader class
// Class code is taken from: https://www.webdecker.de/artikel/items/php-ppm-image-file-reader.html
function ppm_to_png($image, $quality = 100, $output = null) {
$ppm = new PpmImageReader();
// quality to compression level
// see php doc and zlib manual
if ($quality === 100) {
$compression = 0;
}
else {
$compression = intval(($quality/100*10));
}
if ($ppm->canRead($image) === true) {
// Get ppm image data as array
// [type, image resource, width, height, dpi x, dpi y]
$ppm_data = $ppm->read($image);
if (!is_null($output)) {
imagepng($ppm_data[1], $output, $compression);
}
else {
return $ppm_data;
}
}
return false;
}
function ppm_to_jpg($image, $quality = 100, $output = null) {
$ppm = new PpmImageReader();
if ($ppm->canRead($image) === true) {
// Get ppm image data as array
// [type, image resource, width, height, dpi x, dpi y]
$ppm_data = $ppm->read($image);
if (!is_null($output)) {
imagejpeg($ppm_data[1], $output, $quality);
}
else {
return $ppm_data;
}
}
return false;
}
// Wrapper to 'virsh'
function virsh_shell_exec($command) {
$base_command = 'virsh';
$run_command = escapeshellcmd($base_command . ' ' . $command);
$redirector = '2>&1';
return trim(shell_exec($run_command . ' ' . $redirector));
}
function virsh_exec($command, &$output, &$return_code) {
$base_command = 'virsh';
$run_command = escapeshellcmd($base_command . ' ' . $command);
$redirector = '2>&1';
exec($run_command . ' ' . $redirector, $output, $return_code);
}
function virsh_exec_notify($command, &$output, &$return_code) {
$base_command = 'virsh';
$run_command = escapeshellcmd($base_command . ' ' . $command);
$redirector = '2>&1';
exec($run_command . ' ' . $redirector, $output, $return_code);
foreach ($output as $line) {
if (!empty($line)) {
if (strpos($line, 'error:') !== false) {
add_notification($line, true);
}
else {
add_notification($line);
}
}
}
}
function virsh_passthru($command, &$return_code = null) {
$base_command = 'virsh';
$run_command = escapeshellcmd($base_command . ' ' . $command);
$redirector = '2>&1';
passthru($run_command . ' ' . $redirector, $return_code);
}
function virsh_connect($uri = 'qemu:///system') {
$output = null;
$return_code = null;
virsh_exec('connect --name ' . $uri, $output, $return_code);
if ($return_code !== 0) {
$_SESSION['connected'] = false;
add_notification('Could not connect to the hypervisor.', true);
}
else {
$_SESSION['connected'] = true;
add_notification('Connected to the hypervisor.');
add_notification('Connection URI: ' . $uri);
}
return $_SESSION['connected'];
}
// Notifications
function add_notification($data, $error = false) {
if ($error === false) {
$add_status = array_push($_SESSION['notifications']->info, $data);
}
else {
$add_status = array_push($_SESSION['notifications']->error, $data);
}
return $add_status;
}
function create_notification(&$data, $timeout = 4000) {
if (!is_array($data)) {
echo '<script type="text/javascript">';
echo 'Materialize.toast("' . $data . '", ' . $timeout . ', "rounded");';
echo '</script>';
}
else {
$key = 0;
foreach ($data as $text) {
$cleaned_text = trim($text);
if (!empty($cleaned_text)) {
echo '<script type="text/javascript">';
echo 'Materialize.toast("' . $cleaned_text . '", ' . $timeout . ', "rounded");';
echo '</script>';
}
unset($data[$key]);
$key++;
}
}
}
function create_error_notification(&$data, $timeout = 4000) {
if (!is_array($data)) {
echo '<script type="text/javascript">';
echo 'var toastContent = $(\'<span style="color: #f44336; font-weight: bold;">' . $data . '</span>\');';
echo 'Materialize.toast(toastContent, ' . $timeout . ', "rounded");';
echo '</script>';
}
else {
$key = 0;
foreach ($data as $text) {
$cleaned_text = trim($text);
if (!empty($cleaned_text)) {
echo '<script type="text/javascript">';
echo 'var toastContent = $(\'<span style="color: #f44336; font-weight: bold;">' . $cleaned_text . '</span>\');';
echo 'Materialize.toast(toastContent, ' . $timeout . ', "rounded");';
echo '</script>';
}
unset($data[$key]);
$key++;
}
}
}
// Content extractor
function extract_data($line, $delim) {
$line = trim($line);
$data = explode($delim, $line);
$data = array_filter($data);
return $data;
}
// Content selector
if (isset($_GET['module']) && !empty($_GET['module'])) {
$_SESSION['module'] = htmlentities(strip_tags(filter_var($_GET['module'], FILTER_SANITIZE_STRING)));
}
if (isset($_GET['action']) && !empty($_GET['action'])) {
$_SESSION['action'] = htmlentities(strip_tags(filter_var($_GET['action'], FILTER_SANITIZE_STRING)));
}
if (isset($_GET['name']) && !empty($_GET['name'])) {
$_SESSION['vm_name'] = htmlentities(strip_tags(filter_var($_GET['name'], FILTER_SANITIZE_STRING)));
}
// Content creator
function create_table_generic_rows($lines, $delim = ' ', $cols = 0, $cls = '') {
$lines_to_skip = 2;
$index = 0;
$created_lines = 0;
$extracted_data = [];
foreach ($lines as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$created_lines++;
echo '<tr>' . PHP_EOL;
$extracted_data = extract_data($line, $delim);
foreach ($extracted_data as $data) {
echo '<td>' . trim($data) . '</td>' . PHP_EOL;
}
echo '</tr>' . PHP_EOL;
}
}
if (count($extracted_data) === 0) {
echo '<tr><td' . ($cols > 0 ? ' colspan="' . $cols . '"' : '') . ($cls !== '' ? ' class="' . $cls . '"' : '') . '>No data</td></td>' . PHP_EOL;
}
}
function create_table_active_ips_rows($lines, $delim = ' ', $cols = 0, $cls = '') {
$lines_to_skip = 2;
$index = 0;
$col_index = 0;
$created_lines = 0;
$extracted_data = [];
$col_mac_address = 2;
$col_ip_address = 4;
$col_hostname = 5;
foreach ($lines as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$created_lines++;
echo '<tr>' . PHP_EOL;
$extracted_data = extract_data($line, $delim);
foreach ($extracted_data as $data) {
$col_index++;
$cleaned_data = trim($data);
// Create mac cell
if ($col_index === $col_mac_address) {
// Assign vm hostname
if ($cleaned_data !== '-' || !empty($cleaned_data)) {
echo '<td><a href="?module=vni&mac=' . $cleaned_data . '">' . $cleaned_data . '</a></td>' . PHP_EOL;
}
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
// echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
// Create ip cell
elseif ($col_index === $col_ip_address) {
/* // Assign vm hostname
if ($cleaned_data !== '-' || !empty($cleaned_data)) {
echo '<td><a href="?module=vni">' . $cleaned_data . '</a></td>' . PHP_EOL;
}
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
} */
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
// Create hostname cell
elseif ($col_index === $col_hostname) {
// Assign vm hostname
if ($cleaned_data !== '-') {
$vm_data = explode(' ', $cleaned_data);
$vm_hostname = $vm_data[0];
$vm_duid = '';
if (count($vm_data) > 1) {
$vm_duid = $vm_data[1];
}
if (!empty($vm_duid)) {
// echo '<td><a href="?module=vmi&hostname=' . $vm_hostname . '">' . $vm_hostname . ' <i class="material-icons tooltipped" data-position="bottom" data-tooltip="' . $vm_hostname . ' | ' . $vm_duid . '">info_outline</i></a></td>' . PHP_EOL;
// echo '<td><a href="?module=vmi&hostname=' . $vm_hostname . '">' . $vm_hostname . '</a></td>' . PHP_EOL;
echo '<td>' . $vm_hostname . '</td>' . PHP_EOL;
echo '<td>' . $vm_duid . '</td>' . PHP_EOL;
}
else {
// echo '<td><a href="?module=vmi&hostname=' . $vm_hostname . '">' . $vm_hostname . '</a></td>' . PHP_EOL;
echo '<td>' . $vm_hostname . '</td>' . PHP_EOL;
}
}
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
}
// Create data cells
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
}
echo '</tr>' . PHP_EOL;
$col_index = 0; // reset col index
}
}
if (count($extracted_data) === 0) {
echo '<tr><td' . ($cols > 0 ? ' colspan="' . $cols . '"' : '') . ($cls !== '' ? ' class="' . $cls . '"' : '') . '>No data</td></td>' . PHP_EOL;
}
}
function create_table_active_vms_rows($lines, $delim = ' ', $cols = 0, $cls = '') {
$lines_to_skip = 2;
$index = 0;
$col_index = 0;
$created_lines = 0;
$extracted_data = [];
$col_id = 1;
$col_name = 2;
$col_state = 3;
$vm_id = 0;
foreach ($lines as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$created_lines++;
echo '<tr>' . PHP_EOL;
$extracted_data = extract_data($line, $delim);
foreach ($extracted_data as $data) {
$col_index++;
$cleaned_data = trim($data);
// Assign vm id
if ($col_index === $col_id) {
if ($cleaned_data !== '-') {
$vm_id = (int)$cleaned_data;
}
}
// Assign vm name
if ($col_index === $col_name) {
$vm_name = $cleaned_data;
echo '<td><a href="?module=vmi&name=' . $cleaned_data . '">' . $cleaned_data . '</a></td>' . PHP_EOL;
}
// Create actions links and screenshot cells
elseif ($col_index === $col_state) {
// Action links
echo '<td>' . $cleaned_data . ' ' . PHP_EOL;
if ($cleaned_data === 'shut off') {
echo '<a href="?module=' . $_SESSION['module'] . '&action=start&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Start"><i class="material-icons">play_arrow</i></a>' . PHP_EOL;
}
else {
echo '<a href="?module=' . $_SESSION['module'] . '&action=stop&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Stop"><i class="material-icons">stop</i></a>' . PHP_EOL;
if ($cleaned_data === 'paused') {
echo '<a href="?module=' . $_SESSION['module'] . '&action=resume&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Resume"><i class="material-icons">play_arrow</i></a>' . PHP_EOL;
}
else {
echo '<a href="?module=' . $_SESSION['module'] . '&action=suspend&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Suspend"><i class="material-icons">pause</i></a>' . PHP_EOL;
}
echo '<a href="?module=' . $_SESSION['module'] . '&action=reboot&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Reboot"><i class="material-icons">replay</i></a>' . PHP_EOL;
}
echo '</td>' . PHP_EOL;
// Screenshots
echo '<td>' . PHP_EOL;
// echo 'screenshot here' . PHP_EOL;
create_vm_screenshots($vm_name);
echo '</td>' . PHP_EOL;
// Other actions
echo '<td>' . PHP_EOL;
echo '<a href="?module=' . $_SESSION['module'] . '&action=view&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="View"><i class="material-icons">personal_video</i></a>' . PHP_EOL;
echo '</td>' . PHP_EOL;
}
// Create data cells
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
}
echo '</tr>' . PHP_EOL;
$col_index = 0; // reset col index
}
}
if (count($extracted_data) === 0) {
echo '<tr><td' . ($cols > 0 ? ' colspan="' . $cols . '"' : '') . ($cls !== '' ? ' class="' . $cls . '"' : '') . '>No data</td></td>' . PHP_EOL;
}
}
function create_table_vms_rows($lines, $delim = ' ', $cols = 0, $cls = '') {
$lines_to_skip = 2;
$index = 0;
$col_index = 0;
$created_lines = 0;
$extracted_data = [];
$col_id = 1;
$col_name = 2;
$col_state = 3;
$vm_id = 0;
foreach ($lines as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$created_lines++;
echo '<tr>' . PHP_EOL;
$extracted_data = extract_data($line, $delim);
foreach ($extracted_data as $data) {
$col_index++;
$cleaned_data = trim($data);
// Assign vm name
if ($col_index === $col_name) {
$vm_name = $cleaned_data;
echo '<td><a href="?module=vmi&name=' . $cleaned_data . '">' . $cleaned_data . '</a></td>' . PHP_EOL;
}
// Create action links
elseif ($col_index === $col_state) {
echo '<td>' . $cleaned_data . ' ' . PHP_EOL;
if ($cleaned_data === 'shut off') {
echo '<a href="?module=' . $_SESSION['module'] . '&action=start&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Start"><i class="material-icons">play_arrow</i></a>' . PHP_EOL;
}
else {
echo '<a href="?module=' . $_SESSION['module'] . '&action=stop&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Stop"><i class="material-icons">stop</i></a>' . PHP_EOL;
echo '<a href="?module=' . $_SESSION['module'] . '" class="tooltipped" data-position="bottom" data-tooltip="Refresh"><i class="material-icons">refresh</i></a>' . PHP_EOL;
}
echo '</td>' . PHP_EOL;
echo '<td>' . PHP_EOL;
echo '<a href="?module=' . $_SESSION['module'] . '&action=save&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Create snapshot"><i class="material-icons">save</i></a>' . PHP_EOL;
echo '<a href="?module=' . $_SESSION['module'] . '&action=edit&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Edit"><i class="material-icons">edit</i></a>' . PHP_EOL;
echo '<a href="?module=' . $_SESSION['module'] . '&action=del&name=' . $vm_name . '" class="tooltipped" data-position="bottom" data-tooltip="Delete"><i class="material-icons">delete</i></a>' . PHP_EOL;
echo '</td>' . PHP_EOL;
}
// Create data cells
else {
echo '<td>' . $cleaned_data . '</td>' . PHP_EOL;
}
}
echo '</tr>' . PHP_EOL;
$col_index = 0; // reset col index
}
}
if (count($extracted_data) === 0) {
echo '<tr><td' . ($cols > 0 ? ' colspan="' . $cols . '"' : '') . ($cls !== '' ? ' class="' . $cls . '"' : '') . '>No data</td></td>' . PHP_EOL;
}
}
// VM Control
function vm_is_active($vm_name) {
$is_active = false;
$vm_state = virsh_shell_exec('domstate ' . $vm_name);
if ($vm_state === 'running' || $vm_state === 'paused') {
$is_active = true;
}
return $is_active;
}
function create_vm_screenshots($vm_name) {
$input_image = '/tmp/' . $vm_name . '_screen.ppm';
$output_image = '/tmp/' . $vm_name . '_screen.png';
// Create the screenshot from 'virsh'
passthru(escapeshellcmd('virsh screenshot ' . $vm_name . ' --file ' . $input_image . ' --screen 0') . ' 2>&1 >/dev/null');
// Convert the created screenshot to PNG
if (is_readable($input_image)) {
// Old code that used ImageMagick 'convert' command to convert PPM images to PNG
// This code is slower than the new PHP implementation
/* passthru(escapeshellcmd('convert -quality 80 /tmp/' . $vm_name . '_screen.ppm /tmp/' . $vm_name . '_screen.png') . ' 2>&1 >/dev/null');
if (is_readable('/tmp/' . $vm_name . '_screen.png')) {
echo '<img class="materialboxed" src="data:image/png;base64,' . base64_encode(file_get_contents('/tmp/' . $vm_name . '_screen.png')) . '" width="80" alt="' . $vm_name . ' screenshot">';
} */
// In case of issues, I might move on the 'netpbm' package
// and the 'pnmtopng' command to convert the PPM images to PNG
// Convert the PPM image to PNG using pure PHP implementation
ppm_to_png($input_image, 80, $output_image);
// Output the converted image as Data-URI (base64)
if (is_readable($output_image)) {
echo '<img class="materialboxed" src="data:image/png;base64,' . base64_encode(file_get_contents($output_image)) . '" width="80" alt="' . $vm_name . ' screenshot">';
}
}
else {
echo 'Could not read screenshot.';
}
}
function parse_vm_stats($vm_name, $as_json = false, $pretty_print = false) {
$lines_to_skip = 1;
$cmd_output = '';
$cmd_return = '';
$extracted_data = [];
$data_header = [];
// Get vm raw data
virsh_exec('domstats --raw ' . $vm_name, $cmd_output, $cmd_return);
if ($cmd_return === 0) {
// Internal counters
$index = 0;
$processed_lines = 0;
// Create data header
foreach ($cmd_output as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$processed_lines++;
$parsed_line_array = extract_data($line, '.');
array_push($data_header, $parsed_line_array[0]);
}
}
// Clean up data header
$data_header = array_unique($data_header);
// Merge headers with main array
array_merge($extracted_data, $data_header);
// Reset internal counters
$index = 0;
$processed_lines = 0;
// Parse raw vm data
foreach ($cmd_output as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$processed_lines++;
$parsed_line_headers = extract_data($line, '.');
$parsed_line_array = extract_data($line, '=');
if (count($parsed_line_array) === 2) {
$parsed_assoc_array = ['name' => $parsed_line_array[0], 'value' => $parsed_line_array[1]];
$extracted_data[$parsed_line_headers[0]][] = $parsed_assoc_array;
}
}
}
// Output as array or json
if ($as_json === true) {
if ($pretty_print === true) {
$json = json_encode($extracted_data, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
}
else {
$json = json_encode($extracted_data, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES);
}
return $json;
}
else {
return $extracted_data;
}
}
return false;
}
function get_vm_cpu_stats($vm_name, $as_json = false, $pretty_print = false) {
// Collect data from raw vm stats
if ($parsed_data = parse_vm_stats($vm_name)) {
$cpu_stats = [];
// Clean up vpu data
foreach ($parsed_data['vcpu'] as $vcpu) {
$vcpu_entry_name = explode('.', $vcpu['name']);
if (count($vcpu_entry_name) === 2) {
$vcpu_data = ['name' => $vcpu_entry_name[1], 'value' => (is_numeric($vcpu['value']) ? (int)$vcpu['value'] : $vcpu['value'])];
}
else {
$vcpu_data = ['name' => $vcpu['name'], 'value' => (is_numeric($vcpu['value']) ? (int)$vcpu['value'] : $vcpu['value'])];
}
array_push($cpu_stats, $vcpu_data);
}
// Output as array or json
if ($as_json === true) {
if ($pretty_print === true) {
$json = json_encode($cpu_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
}
else {
$json = json_encode($cpu_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES);
}
return $json;
}
else {
return $cpu_stats;
}
}
return false;
}
function get_vm_mem_stats($vm_name, $as_json = false, $pretty_print = false) {
// Collect data from raw vm stats
if ($parsed_data = parse_vm_stats($vm_name)) {
$mem_stats = [];
// Clean up mem data
foreach ($parsed_data['balloon'] as $balloon) {
$balloon_entry_name = explode('.', $balloon['name']);
if (count($balloon_entry_name) === 2) {
$balloon_data = ['name' => $balloon_entry_name[1], 'value' => (is_numeric($balloon['value']) ? (int)$balloon['value'] : $balloon['value'])];
}
else {
$balloon_data = ['name' => $balloon['name'], 'value' => (is_numeric($balloon['value']) ? (int)$balloon['value'] : $balloon['value'])];
}
array_push($mem_stats, $balloon_data);
}
// Output as array or json
if ($as_json === true) {
if ($pretty_print === true) {
$json = json_encode($mem_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
}
else {
$json = json_encode($mem_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES);
}
return $json;
}
else {
return $mem_stats;
}
}
return false;
}
function get_vm_net_stats($vm_name, $as_json = false, $pretty_print = false) {
// Collect data from raw vm stats
if ($parsed_data = parse_vm_stats($vm_name)) {
$net_stats = [];
// Clean up mem data
foreach ($parsed_data['net'] as $net) {
$net_entry_name = explode('.', $net['name']);
if (count($net_entry_name) === 2) {
$net_data = ['name' => $net_entry_name[1], 'value' => (is_numeric($net['value']) ? (int)$net['value'] : $net['value'])];
}
else {
$net_data = ['name' => $net['name'], 'value' => (is_numeric($net['value']) ? (int)$net['value'] : $net['value'])];
}
array_push($net_stats, $net_data);
}
// Output as array or json
if ($as_json === true) {
if ($pretty_print === true) {
$json = json_encode($net_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
}
else {
$json = json_encode($net_stats, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES);
}
return $json;
}
else {
return $net_stats;
}
}
return false;
}
function get_vm_networks() {
$output = null; $return_code = null;
$lines_to_skip = 2;
$index = 0;
$extracted_data = [];
$vm_networks = [];
virsh_exec('net-list', $output, $return_code);
foreach ($output as $line) {
$index++;
if ($index > $lines_to_skip && !empty($line)) {
$extracted_data = extract_data($line, ' ');
array_push($vm_networks, $extracted_data[0]);
}
}
return (count($vm_networks) > 0 ? $vm_networks : false);
}
// Interface config
if (!isset($_SESSION['vm_networks']) ||
(isset($_SESSION['vm_networks']) && !is_array($_SESSION['vm_networks']))) {
$_SESSION['vm_networks'] = get_vm_networks();
}
if (isset($_SESSION) && is_array($_SESSION)) {
echo '<!-- ' . PHP_EOL;
// var_dump($_SESSION);
print_r($_SESSION);
echo ' -->' . PHP_EOL;
}
// Displayed title
$project_title = 'libVirt Web';
if (isset($_SESSION['module']) && !empty($_SESSION['module'])) {
switch ($_SESSION['module']) {
case 'dsh': $page_title = 'Dashboard'; break;
case 'hyp': $page_title = 'Hypervisor'; break;
case 'vdi': $page_title = 'Volume Details'; break;
case 'vmi': $page_title = 'VM Details'; break;
case 'vms': $page_title = 'Virtual Machines'; break;
case 'vni': $page_title = 'Network Details'; break;
case 'vns': $page_title = 'Virtual Networks'; break;
case 'vst': $page_title = 'Virtual Storage'; break;
case 'hlp': $page_title = 'Help'; break;
default: $page_title = ''; break;
}
$page_title .= (!empty($page_title) ? ' – ' . $project_title : '');
}
else {
$page_title = $project_title;
}
// Actions
if (isset($_SESSION['action']) && !empty($_SESSION['action'])) {
$output_action = '';
switch ($_SESSION['action']) {
case 'reboot':
$action_cmd = 'reboot ' . $_SESSION['vm_name'];
virsh_exec_notify($action_cmd, $output_action, $ret_action);
break;
case 'resume':
$action_cmd = 'resume ' . $_SESSION['vm_name'];
virsh_exec_notify($action_cmd, $output_action, $ret_action);
break;
case 'save':
$action_cmd = 'snapshot-create-as --domain ' . $_SESSION['vm_name'];
$action_cmd .= ' --name "' . (vm_is_active($_SESSION['vm_name']) ? 'live' : 'offline') . '-snapshot-' . date("dmYHis") . '"';
$action_cmd .= ' --description "' . (vm_is_active($_SESSION['vm_name']) ? 'Live' : 'Offline') . ' snapshot taken on ' . date("d/m/Y H:i:s") . '"';
virsh_exec_notify($action_cmd, $output_action, $ret_action);
// Create a 'disk-only' snapshot in case of error
if ($ret_action !== 0) {
$action_cmd = 'snapshot-create-as --domain ' . $_SESSION['vm_name'];
$action_cmd .= ' --name "' . (vm_is_active($_SESSION['vm_name']) ? 'live' : 'offline') . '-disk-only-snapshot-' . date("dmYHis") . '"';
$action_cmd .= ' --description "' . (vm_is_active($_SESSION['vm_name']) ? 'Live' : 'Offline') . ' disk-only snapshot taken on ' . date("d/m/Y H:i:s") . '"';
$action_cmd .= ' --quiesce';
$action_cmd .= ' --disk-only';
virsh_exec_notify($action_cmd, $output_action, $ret_action);
}
break;
case 'del':
$action_cmd = 'undefine --domain ' . $_SESSION['vm_name'];
/* $action_cmd .= ' --remove-all-storage --managed-save --delete-snapshots';
$action_cmd .= ' --snapshots-metadata --nvram'; */
// Disabled for now, it requires much more debug to be in place right now...
// virsh_exec_notify($action_cmd, $output_action, $ret_action);
// Retry to delete using another way in case of error
/* if ($ret_action !== 0) {
$action_cmd = 'undefine --domain ' . $_SESSION['vm_name'];
$action_cmd .= ' --remove-all-storage --managed-save --delete-snapshots';
$action_cmd .= ' --snapshots-metadata --nvram';
virsh_exec_notify($action_cmd, $output_action, $ret_action);
} */
break;
case 'start':
$action_cmd = 'start ' . $_SESSION['vm_name'];
virsh_exec_notify($action_cmd, $output_action, $ret_action);
break;
case 'stop':
$action_cmd = 'shutdown ' . $_SESSION['vm_name'];
virsh_exec_notify($action_cmd, $output_action, $ret_action);
break;
case 'suspend':
$action_cmd = 'suspend ' . $_SESSION['vm_name'];
virsh_exec_notify($action_cmd, $output_action, $ret_action);
break;
case 'view':
$action_cmd = 'virt-viewer -v -w ' . escapeshellarg($_SESSION['vm_name']) . ' &';
exec($action_cmd, $output_action, $ret_action);
break;
default:
# code...
break;
}
}
// File upload
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_FILES['upload_file'])) {
echo print_r($_FILES['upload_file'], true);
if (move_uploaded_file($_FILES['upload_file']['tmp_name'], sys_get_temp_dir() . '/' . $_FILES['upload_file']['name'])){
echo $_FILES['upload_file']['name']. " OK";
}
else {
echo $_FILES['upload_file']['name']. " KO";
}
}
else {
echo print_r($_FILES['upload_file'], true);
echo 'No files uploaded...' . PHP_EOL;
}
exit;
}
// Ajax data
function send_json($data, $formatted = false) {
header('Content-Type: application/json');
if ($formatted === true) {
echo json_encode($data, JSON_NUMERIC_CHECK | JSON_UNESCAPED_SLASHES);
}
else {
echo json_encode($data);
}
}
if (isset($_REQUEST['module']) && $_REQUEST['module'] === 'ajx') {
if (isset($_REQUEST['data']) && !empty($_REQUEST['data'])) {
$ajax_data = htmlentities(strip_tags(filter_var($_REQUEST['data'], FILTER_SANITIZE_STRING)));
switch ($ajax_data) {
case 'cpu':
$cmd_output = virsh_shell_exec('nodecpustats');
break;
case 'mem':
$cmd_output = virsh_shell_exec('nodememstats');
break;
case 'node':
$cmd_output = virsh_shell_exec('nodeinfo');
break;
case 'vhostcpu':
if (vm_is_active($_SESSION['vm_name'])) {
$cmd_output = virsh_shell_exec('cpu-stats ' . $_SESSION['vm_name']);
}
else {
$cmd_output = 'VM is not running.';
}
break;
case 'vcpu':
if (vm_is_active($_SESSION['vm_name'])) {
$cmd_output = print_r(get_vm_cpu_stats($_SESSION['vm_name']), true);
}
else {
// $cmd_output = 'VM is not running.';
$cmd_output = 'VM is not running.' . PHP_EOL;
$cmd_output .= print_r(get_vm_cpu_stats($_SESSION['vm_name']), true);
}
break;
case 'vmem':
if (vm_is_active($_SESSION['vm_name'])) {
// $cmd_output = virsh_shell_exec('dommemstat ' . $_SESSION['vm_name']);
$cmd_output = print_r(get_vm_mem_stats($_SESSION['vm_name']), true);
}
else {
// $cmd_output = 'VM is not running.';
$cmd_output = 'VM is not running.' . PHP_EOL;
$cmd_output .= print_r(get_vm_mem_stats($_SESSION['vm_name']), true);
}
break;
case 'vnet':
if (vm_is_active($_SESSION['vm_name'])) {
$cmd_output = print_r(get_vm_net_stats($_SESSION['vm_name']), true);
}
else {
$cmd_output = 'VM is not running.';
}
break;
case 'vhost':
$cmd_output = virsh_shell_exec('domstats --raw ' . $_SESSION['vm_name']);
break;
}
// Prepare ajax response
$ajax_response = new stdClass;
$ajax_response->html = '';
$ajax_response->html .= $cmd_output;
$ajax_response->success = (!is_null($cmd_output) ? true : false);
// Send ajax response as JSON
send_json($ajax_response, true);
// Stop processing
exit;
}
}
?>
<!DOCTYPE html>
<html>
<head>
<!-- Import Google Icon Font -->
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<!-- Import materialize.css -->
<link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.100.2/css/materialize.min.css" media="screen,projection"/>
<!-- Let browser know website is optimized for mobile -->
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title><?php echo $page_title; ?></title>
<!-- Custom style -->
<style>
body {
display: flex;
min-height: 100vh;
flex-direction: column;
}
blockquote {
border-left-color: #039be5;
}
main {
flex: 1 0 auto;