Feature: new command to display containers resource stats

Author: satrun77

README.md

@@ -51,6 +51,7 @@ Name | Details
   ws:sites     |Display list of available sites and their statuses.
   ws:ssh       |SSH into a container for a site within the workspace.
   ws:start     |Create and start containers for a site within the workspace. A wrapper to docker-compose up.
+  ws:stat      |Display a live stream of container(s) resource usage statistics.
   ws:stop      |Stop services for a site within the workspace. A wrapper to docker stop command.
   ws:update    |Re-create local development site by updating the containers files, except for the directories site, env, solr/myindex.
 

src/MooCommand/Command/Workspace/Stat.php

@@ -0,0 +1,59 @@
+<?php
+/*
+ * This file is part of the MooCommand package.
+ *
+ * (c) Mohamed Alsharaf <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace MooCommand\Command\Workspace;
+
+use MooCommand\Command\Workspace as WorkspaceAbstract;
+use Symfony\Component\Console\Input\InputArgument;
+
+/**
+ * Stat.
+ *
+ * @author Mohamed Alsharaf <[email protected]>
+ */
+class Stat extends WorkspaceAbstract
+{
+    /**
+     * @var string
+     */
+    protected $description = 'Display a live stream of container(s) resource usage statistics.';
+    /**
+     * @var string
+     */
+    protected $childSignature = 'stat';
+    /**
+     * @var array
+     */
+    protected $arguments = [
+        'filter' => [
+            'mode'        => InputArgument::OPTIONAL,
+            'description' => 'Filter the output by keyword',
+        ],
+    ];
+
+    /**
+     * Main method to execute the command script.
+     *
+     * @return void
+     *
+     * @throws \Exception
+     */
+    protected function fire()
+    {
+        $command = 'docker stats $(docker ps%s|grep -v "NAMES"|awk \'{ print $NF }\'|tr "\n" " ")';
+
+        $grepBy  = $this->argument('filter');
+        if (!empty($grepBy)) {
+            $grepBy = '|grep "' . $grepBy . '" ';
+        }
+
+        $this->getShellHelper()->execRealTime($command, $grepBy)->getOutput();
+    }
+}

src/app.php

@@ -52,6 +52,7 @@
 $application->add(new Command\Workspace\SilverStripeSake());
 $application->add(new Command\Workspace\Composer());
 $application->add(new Command\Workspace\Cp());
+$application->add(new Command\Workspace\Stat());
 
 // Start console app
 $application->run();