RAM statistics on VPS overview

frontend/classes/class.container.php

@@ -61,6 +61,9 @@ class Container extends CPHPDatabaseRecordClass
 			case "sRamUsed":
 				return $this->GetRamUsed();
 				break;
+			case "sRamTotal":
+				return $this->GetRamTotal();
+				break;
 			case "sDiskUsed":
 				return $this->GetDiskUsed();
 				break;
@@ -130,6 +133,49 @@ class Container extends CPHPDatabaseRecordClass
 		}
 	}
 	
+	public function GetRamUsed()
+	{
+		$ram = $this->GetRam();
+		return $ram['used'];
+	}
+	
+	public function GetRamTotal()
+	{
+		$ram = $this->GetRam();
+		return $ram['total'];
+	}
+	
+	public function GetRam()
+	{
+		$result = $this->RunCommandCached("free -m", true);
+		$lines = explode("\n", $result->stdout);
+		array_shift($lines);
+		
+		$total_free = 0;
+		$total_used = 0;
+		$total_total = 0;
+
+		foreach($lines as $line)
+		{
+			$line = trim($line);
+			$values = split_whitespace($line);
+			
+			if(trim($values[0]) == "Mem:")
+			{
+				$total_total = $values[1];
+				$total_used = $values[2];
+				$total_free = $values[3];
+			}
+			
+		}
+		
+		return array(
+			'free'	=> $total_free,
+			'used'	=> $total_used,
+			'total'	=> $total_total
+		);
+	}
+	
 	public function GetDiskUsed()
 	{
 		$disk = $this->GetDisk();

frontend/module.vps.overview.php

@@ -42,7 +42,11 @@ $sPageContents = Templater::InlineRender("vps.overview", $locale->strings, array
 	'disk-used'		=> number_format($sContainer->sDiskUsed / 1024, 2),
 	'disk-total'		=> number_format($sContainer->sDiskTotal / 1024, 2),
 	'disk-percentage'	=> number_format(($sContainer->sDiskUsed / $sContainer->sDiskTotal) * 100, 2),
-	'disk-unit'		=> "GB"
+	'disk-unit'		=> "GB",
+	'ram-used'		=> $sContainer->sRamUsed,
+	'ram-total'		=> $sContainer->sRamTotal,
+	'ram-percentage'	=> ($sContainer->sRamUsed / $sContainer->sRamTotal) * 100,
+	'ram-unit'		=> "MB"
 	
 ));
 ?>

frontend/templates/vps.overview.tpl

@@ -12,8 +12,8 @@
 	<div class="quota-item">
 		<h3>RAM</h3>
 		<div class="quota-bar">
-			<div class="quota-bar-inner" style="width: 24%;"></div>
-			<div class="quota-bar-label">241/1024MB</div>
+			<div class="quota-bar-inner" style="width: <%?ram-percentage>%;"></div>
+			<div class="quota-bar-label"><%?ram-used>/<%?ram-total><%?ram-unit></div>
 		</div>
 	</div>
 	<div class="quota-item last">