Cli: add version command

refs #3763

application/clicommands/VersionCommand.php

@@ -0,0 +1,55 @@
+<?php
+/* Icinga Web 2 | (c) 2019 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Clicommands;
+
+use Icinga\Application\Version;
+use Icinga\Application\Icinga;
+use Icinga\Cli\Loader;
+use Icinga\Cli\Command;
+
+/**
+ * Shows version of Icinga Web 2, loaded modules and PHP
+ *
+ * The version command shows version numbers for Icinga Web 2, loaded modules and PHP.
+ *
+ * Usage: icingacli --version
+ */
+class VersionCommand extends Command
+{
+    protected $defaultActionName = 'show';
+
+    /**
+     * Shows version of Icinga Web 2, loaded modules and PHP
+     *
+     * The version command shows version numbers for Icinga Web 2, loaded modules and PHP.
+     *
+     * Usage: icingacli --version
+     */
+    public function showAction()
+    {
+        $getVersion = Version::get();
+        printf("%-12s  %-9s \n", 'Icinga Web 2', $getVersion['appVersion']);
+
+        if (isset($getVersion['gitCommitID'])) {
+            printf("%-12s  %-9s \n", 'Git Commit', $getVersion['gitCommitID']);
+        }
+
+        printf("%-12s  %-9s \n", 'PHP Version', PHP_VERSION);
+
+        $modules = Icinga::app()->getModuleManager()->loadEnabledModules()->getLoadedModules();
+
+        $maxLength = 0;
+        foreach ($modules as $module) {
+            $length = strlen($module->getName());
+            if ($length > $maxLength) {
+                $maxLength = $length;
+            }
+        }
+
+        printf("%-${maxLength}s  %-9s \n", 'MODULE', 'VERSION');
+        foreach ($modules as $module) {
+            printf("%-${maxLength}s  %-9s \n", $module->getName(), $module->getVersion());
+        }
+    }
+}

application/views/scripts/about/index.phtml

@@ -12,6 +12,8 @@
         <dt><?= $this->translate('Git commit') ?></dt>
         <dd><?= $this->escape($version['gitCommitID']) ?></dd>
     <?php endif ?>
+        <dt><?= $this->translate('PHP Version') ?></dt>
+        <dd><?= $this->escape(PHP_VERSION) ?></dd>
     <?php if (isset($version['gitCommitDate'])): ?>
         <dt><?= $this->translate('Git commit date') ?></dt>
         <dd><?= $this->escape($version['gitCommitDate']) ?></dd>

library/Icinga/Application/Cli.php

@@ -101,6 +101,9 @@ class Cli extends ApplicationBootstrap
         if ($this->params->shift('help')) {
             $this->params->unshift('help');
         }
+        if ($this->params->shift('version')) {
+            $this->params->unshift('version');
+        }
         if ($this->params->shift('autocomplete')) {
             $this->params->unshift('autocomplete');
         }

library/Icinga/Cli/Documentation.php

@@ -57,6 +57,7 @@ class Documentation
             . "  --help          Show help\n"
             . "  --benchmark     Show benchmark summary\n"
             . "  --watch [s]     Refresh output every <s> seconds (default: 5)\n"
+            . "  --version       Shows version of Icinga Web 2, loaded modules and PHP\n"
             ;
         $d .= "\nShow help on a specific command : icingacli help <command>"
             . "\nShow help on a specific module  : icingacli help <module>"