[dnbd3/vmstore] Add first version of speedtest/benchmark GUI

1 files changed, 65 insertions, 0 deletions

diff --git a/modules-available/vmstore/inc/vmstorebenchmark.inc.php b/modules-available/vmstore/inc/vmstorebenchmark.inc.php
new file mode 100644
index 00000000..30b0c65c
--- /dev/null
+++ b/modules-available/vmstore/inc/vmstorebenchmark.inc.php
@@ -0,0 +1,65 @@
+<?php
+
+class VmStoreBenchmark
+{
+
+	/**
+	 * @param string[] $machineUuids List of UUIDs
+	 * @return void
+	 */
+	public static function prepareSelectDialog(array $uuids)
+	{
+		Module::isAvailable('rebootcontrol');
+		User::assertPermission('.vmstore.benchmark');
+		$uuids = array_values(Request::post('uuid', Request::REQUIRED, 'array'));
+		$machines = RebootUtils::getFilteredMachineList($uuids, '.vmstore.benchmark');
+		if ($machines === false)
+			return;
+		$machines = array_column($machines, 'machineuuid');
+		$id = mt_rand() . time();
+		Session::set('benchmark-' . $id, ['machines' => $machines], 60);
+		Util::redirect('?do=vmstore&show=benchmark&action=select&id=' . $id);
+	}
+
+	/**
+	 * @param array $machineUuids
+	 * @param string $image
+	 * @param bool $nfs
+	 * @param int $start timestamp when the clients should start
+	 * @return ?string taskId, or null on error
+	 */
+	public static function start(string $id, array $machineUuids, string $image, bool $nfs, int &$start)
+	{
+		Module::isAvailable('rebootcontrol');
+		$clients = Database::queryAll('SELECT machineuuid, clientip FROM machine WHERE machineuuid IN (:uuids)',
+			['uuids' => $machineUuids]);
+		if (empty($clients)) {
+			ErrorHandler::traceError('Cannot start benchmark: No matching clients');
+		}
+		// The more clients we have, the longer it takes to SSH into all of them.
+		// As of 2022, RemoteExec processes 4 clients in parallel
+		$start = ceil(count($clients) / 4 + 5 + time());
+		$nfsOpt = $nfs ? '--nfs' : '';
+		$command = <<<COMMAND
+(
+exec &> /dev/null < /dev/null
+setsid
+image_speedcheck --start $start --console $nfsOpt --file "$image" > "/tmp/speedcheck-$id"
+) &
+COMMAND;
+		$task = RebootControl::runScript($clients, $command);
+		return $task['id'] ?? null;
+	}
+
+	public static function parseBenchLine(string $line): array
+	{
+		$out = ['cpu' => [], 'net' => []];
+		foreach (explode(',', $line) as $elem) {
+			$elem = explode('+', $elem);
+			$out['net'][] = ['x' => (int)$elem[0], 'y' => (int)$elem[1]];
+			//$out['cpu'][] = ['x' => $elem[0], 'y' => $elem[2]];
+		}
+		return $out;
+	}
+
+}
\ No newline at end of file