From e7193cd45a03e438719b156f330c2c7061484b1b Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Mon, 4 Jul 2011 20:58:29 +0200
Subject: plugin: add libvirt plugin

---
 inc/collectd.inc.php |   2 +-
 plugin/libvirt.php   | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 138 insertions(+), 1 deletion(-)
 create mode 100644 plugin/libvirt.php

diff --git a/inc/collectd.inc.php b/inc/collectd.inc.php
index e5a7df4..51aedba 100644
--- a/inc/collectd.inc.php
+++ b/inc/collectd.inc.php
@@ -107,7 +107,7 @@ function group_plugindata($plugindata) {
 	# type instances should be grouped in 1 graph
 	foreach ($plugindata as $item) {
 		# backwards compatibility
-		if ($CONFIG['version'] >= 5 || !preg_match('/^(df|interface)$/', $item['p']))
+		if ($CONFIG['version'] >= 5 || !preg_match('/^(df|interface|libvirt)$/', $item['p']))
 			unset($item['ti']);
 		$data[] = $item;
 	}
diff --git a/plugin/libvirt.php b/plugin/libvirt.php
new file mode 100644
index 0000000..0d5071a
--- /dev/null
+++ b/plugin/libvirt.php
@@ -0,0 +1,137 @@
+<?php
+
+# Collectd libvirt plugin
+
+require_once 'conf/common.inc.php';
+require_once 'inc/collectd.inc.php';
+
+# LAYOUT
+# libvirt/
+# libvirt/disk_octets-XXXX.rrd
+# libvirt/disk_ops-XXXX.rrd
+# libvirt/if_dropped-XXXX.rrd
+# libvirt/if_errors-XXXX.rrd
+# libvirt/if_octets-XXXX.rrd
+# libvirt/if_packets-XXXX.rrd
+# libvirt/virt_cpu_total.rrd
+
+require_once 'type/GenericIO.class.php';
+$obj = new Type_GenericIO($CONFIG);
+
+switch($obj->args['type']) {
+	case 'disk_octets':
+		$obj->data_sources = array('read', 'write');
+		$obj->ds_names = array(
+			'read' => 'Read',
+			'write' => 'Written',
+		);
+		$obj->colors = array(
+			'read' => '0000ff',
+			'write' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Disk Traffic (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Bytes per second';
+		$obj->rrd_format = '%5.1lf%s';
+	break;
+	case 'disk_ops':
+		$obj->data_sources = array('read', 'write');
+		$obj->ds_names = array(
+			'read' => 'Read',
+			'write' => 'Written',
+		);
+		$obj->colors = array(
+			'read' => '0000ff',
+			'write' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Disk Operations (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Ops per second';
+		$obj->rrd_format = '%5.1lf%s';
+	break;
+	case 'if_dropped':
+		$obj->data_sources = array('rx', 'tx');
+		$obj->ds_names = array(
+			'rx' => 'Receive',
+			'tx' => 'Transmit',
+		);
+		$obj->colors = array(
+			'rx' => '0000ff',
+			'tx' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Interface Packets Dropped (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Packets dropped per second';
+	break;
+	case 'if_errors':
+		$obj->data_sources = array('rx', 'tx');
+		$obj->ds_names = array(
+			'rx' => 'Receive',
+			'tx' => 'Transmit',
+		);
+		$obj->colors = array(
+			'rx' => '0000ff',
+			'tx' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Interface Errors (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Errors per second';
+	break;
+	case 'if_octets':
+		$obj->data_sources = array('rx', 'tx');
+		$obj->ds_names = array(
+			'rx' => 'Receive',
+			'tx' => 'Transmit',
+		);
+		$obj->colors = array(
+			'rx' => '0000ff',
+			'tx' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Interface Traffic (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Bytes per second';
+	break;
+	case 'if_packets':
+		$obj->data_sources = array('rx', 'tx');
+		$obj->ds_names = array(
+			'rx' => 'Receive',
+			'tx' => 'Transmit',
+		);
+		$obj->colors = array(
+			'rx' => '0000ff',
+			'tx' => '00b000',
+		);
+		$obj->rrd_title = sprintf('Interface Packets (%s)', $obj->args['tinstance']);
+		$obj->rrd_vertical = 'Packets per second';
+	break;
+	case 'virt_cpu_total':
+		require_once 'type/Default.class.php';
+		$obj = new Type_Default($CONFIG);
+
+		$obj->data_sources = array('ns');
+		$obj->ds_names = array(
+			'ns' => 'CPU time',
+		);
+		$obj->colors = array(
+			'ns' => '0000ff',
+		);
+		$obj->rrd_title = 'CPU usage';
+		$obj->rrd_vertical = 'CPU time';
+	break;
+	case 'virt_vcpu':
+		require_once 'type/Default.class.php';
+		$obj = new Type_Default($CONFIG);
+
+		$obj->data_sources = array('ns');
+		$obj->ds_names = array(
+			'ns' => 'VCPU time',
+		);
+		$obj->colors = array(
+			'ns' => '0000ff',
+		);
+		$obj->rrd_title = 'VCPU usage';
+		$obj->rrd_vertical = 'VCPU time';
+	break;
+}
+
+$obj->width = $width;
+$obj->heigth = $heigth;
+$obj->rrd_format = '%5.1lf%s';
+
+collectd_flush($obj->identifiers);
+$obj->rrd_graph();
-- 
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