5534 add docker

public_html/deployment/plugins/shellcmd/load/plugin.php

+<?php
+/**
+ * 
+ * SHELLCMD PLUGIN :: LOAD
+ * 
+ * ----------------------------------------------------------------------
+ * 2022-08-05  axel.hahn@iml.unibe.ch
+ */
+class shellcmd_load {
+    /**
+     * @var command line to exectute
+     */
+    protected $_command='uptime';
+
+
+    /**
+     * constructor ... returns command
+     * @return string
+     */
+    public function __constructor(){
+        return $this->getCommand();
+    }
+
+    /**
+     * get command
+     * @return string
+     */
+    public function getCommand(){
+        return $this->_command;
+    }
+
+
+    /**
+     * parse output and extract wanted values in section "data"
+     * @return array
+     */
+    public function parsedata($aResult){
+        $aTmp1=array_reverse(explode(',', $aResult['output'][0]));
+        // print_r($aTmp1);
+        $aResult['data']=[
+            'uptime'=>trim($aTmp1[4]),
+            'users'=>trim(str_replace(' users', '', $aTmp1[3])),
+            'load'=>trim(preg_replace('/^.*:/', '', $aTmp1[2])),
+            'load5'=>trim($aTmp1[1]),
+            'load15'=>trim($aTmp1[0]),
+        ];
+        return $aResult;
+    }
+
+}
+/*
+
+EXAMPLE OUTPUT
+
+{
+    "command": "uptime",
+    "exitcode": 0,
+    "output": [
+        " 13:36:54 up 1 day,  7:39,  0 users,  load average: 1.18, 1.29, 1.33"
+    ],
+    "data": {
+        "uptime": "7:39",
+        "users": "0",
+        "load": "1.18",
+        "load5": "1.29",
+        "load15": "1.33"
+    }
+}
+
+*/
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