Merge pull request #1 from io-digital/feature/server-utilization

Add cpu and memory usage checks

CHANGELOG.md

@@ -6,6 +6,24 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 
 ## NEXT - 2017-07-26
 
+### Added
+- Added check for memory usage
+- Added check for cpu usage
+
+### Deprecated
+- Nothing
+
+### Fixed
+- Nothing
+
+### Removed
+- Nothing
+
+### Security
+- Nothing
+
+## NEXT - 2017-07-26
+
 ### Added
 - Added check for SSL
 - Created package config file

README.md

@@ -38,6 +38,10 @@ You currently have the options to select which tests to perform:
 'ssl' => true,
 'database' => true,
 'application' => true,
+
+//System information
+'memory' => false,
+'cpu_usage' => false,
 ```
 
 ## Usage

composer.json

@@ -19,16 +19,17 @@
         }
     ],
     "require": {
+        "php": "~5.6|~7.0",
         "illuminate/support": "~5.1",
-        "php" : "~5.6|~7.0"
+        "linfo/linfo": "^3.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "~4.0||~5.0||~6.0",
         "squizlabs/php_codesniffer": "^2.3"
     },
     "autoload": {
         "psr-4": {
-            "IoDigital\\HealthCheck\\": "src"
+            "IoDigital\\HealthCheck\\": "src/"
         }
     },
     "autoload-dev": {

src/HealthCheck.php

@@ -2,14 +2,22 @@
 
 namespace IoDigital\HealthCheck;
 
+require(__DIR__ . '/../vendor/autoload.php');
+
+use Linfo\Linfo;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 
 class HealthCheck
 {
+    /**
+     * @var Linfo
+     */
+    protected $linfo;
+
     public function __construct()
     {
-        //
+        $this->linfo = new Linfo();
     }
 
     /**
@@ -89,14 +97,58 @@ private function sslTest()
         }
     }
 
+    /**
+     * Check memory usage
+     *
+     * @return array
+     */
+    private function memoryTest()
+    {
+        $info = $this->linfo->getParser();
+
+        return [
+            'memory' => [
+                'message' => $info->getRam(),
+                'success' => true
+            ]
+        ];
+    }
+
+    /**
+     * Check CPU usage
+     *
+     * @return array
+     */
+    private function cpuTest()
+    {
+        $info = $this->linfo->getParser();
+        $os = $info->getOS();
+
+        if (strcmp($os, 'Linux') === 0) {
+            return [
+                'cpu_usage' => [
+                    'message' => $info->getCPUUsage(),
+                    'success' => true
+                ]
+            ];
+        } else {
+            return [
+                'cpu_usage' => [
+                    'message' => 'Not applicable on ' . $os,
+                    'success' => true
+                ]
+            ];
+        }
+    }
+
     /**
      * Check and perform selected health checks
      *
      * @return array
      */
     private function performChecks()
     {
-        $ssl = $database = $application = [];
+        $ssl = $database = $application = $memory = $cpu = [];
 
         if (config('healthcheck.ssl') === true) {
             $ssl = $this->sslTest();
@@ -110,6 +162,14 @@ private function performChecks()
             $application = $this->applicationTest();
         }
 
-        return array_merge($application, $database, $ssl);
+        if (config('healthcheck.cpu_usage') === true) {
+            $cpu = $this->cpuTest();
+        }
+
+        if (config('healthcheck.memory') === true) {
+            $memory = $this->memoryTest();
+        }
+
+        return array_merge($application, $database, $ssl, $memory, $cpu);
     }
 }

src/config/healthcheck.php

@@ -8,4 +8,8 @@
     'ssl' => true,
     'database' => true,
     'application' => true,
+
+    //System information
+    'memory' => false,
+    'cpu_usage' => false,
 ];