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php-client/src/CPUInfo.php

+<?php
+
+namespace Monitor;
+
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+
+/**
+ * Description of LoadAvg
+ *
+ * @author tibo
+ */
+class LoadAvg implements SensorInterface {
+
+    public function run() {
+        $process = new Process('cat /proc/loadavg');
+        $process->run();
+        return $process->getOutput();
+
+    }
+}

php-client/src/LSB.php

+<?php
+
+namespace Monitor;
+
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+
+/**
+ * Description of LoadAvg
+ *
+ * @author tibo
+ */
+class LoadAvg implements SensorInterface {
+
+    public function run() {
+        $process = new Process('cat /proc/loadavg');
+        $process->run();
+        return $process->getOutput();
+
+    }
+}

php-client/src/MemInfo.php

+<?php
+
+namespace Monitor;
+
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+
+/**
+ * Description of LoadAvg
+ *
+ * @author tibo
+ */
+class LoadAvg implements SensorInterface {
+
+    public function run() {
+        $process = new Process('cat /proc/loadavg');
+        $process->run();
+        return $process->getOutput();
+
+    }
+}

web/app/Sensor/Disks.php

@@ -35,8 +35,24 @@ class Disks extends \App\AbstractSensor {
     }
 
     public function status() {
-        return self::STATUS_OK;
+        $record = $this->getLastRecord("disks");
+        if ($record == null) {
+            return self::STATUS_UNKNOWN;
+        }
+
+        $all_status = [];
+        foreach ($this->parse($record->disks) as $disk) {
+            /* @var $disk Disk */
+            $status = self::STATUS_OK;
+            if ($disk->usedPercent() > 80) {
+                $status = self::STATUS_WARNING;
+            } elseif ($disk->usedPercent() > 95) {
+                $status = self::STATUS_ERROR;
+            }
+            $all_status[] = $status;
+        }
 
+        return max($all_status);
     }
 
     public function parse($string) {

web/app/Sensor/Reboot.php

@@ -40,7 +40,6 @@ class Reboot extends \App\AbstractSensor {
             return self::STATUS_UNKNOWN;
         }
 
-
         if ($record->reboot) {
             return self::STATUS_WARNING;
         }

web/app/Server.php

@@ -54,8 +54,30 @@ class Server extends Model
         return $last_record->version;
     }
 
+    /**
+     * Get integer status of server.
+     * @return int
+     */
     public function status() {
-        return "OK";
+        $all_status = [];
+        foreach ($this->getSensors() as $sensor) {
+            $all_status[] = $sensor->status();
+        }
+
+        return max($all_status);
+    }
+
+    public function statusString() {
+        switch ($this->status()) {
+            case 0:
+                return "OK";
+            case 10:
+                return "WARNING";
+            case 20:
+                return "ERROR";
+            default:
+                return "Unknown";
+        }
     }
 
     public function getSensors() {

web/resources/views/organization/show.blade.php

@@ -19,7 +19,7 @@
         @foreach($organization->servers as $server)
         <tr>
             <td>{{ $server->name }}</td>
-            <td>{{ $server->status() }}</td>
+            <td>{{ $server->statusString() }}</td>
             <td>{{ $server->lastRecordTime()->diffForHumans() }}</td>
             <td class="text-right">
                 <a class="btn btn-primary btn-sm"