From eade06a930c16f5cb08edd454d9e41364edf8103 Mon Sep 17 00:00:00 2001
From: Niklas Yann Wettengel <niyawe@niyawe.de>
Date: Mon, 20 Mar 2017 20:56:39 +0100
Subject: install_monitoring: added ffmyk-influx

---
 .../templates/ffmyk-influx/dhcp.php.j2             | 23 ++++++++++
 .../templates/ffmyk-influx/fastd.php.j2            | 35 ++++++++++++++
 .../templates/ffmyk-influx/func.php.j2             | 17 +++++++
 .../templates/ffmyk-influx/traffic.php.j2          | 53 ++++++++++++++++++++++
 4 files changed, 128 insertions(+)
 create mode 100644 roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
 create mode 100644 roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
 create mode 100644 roles/install_monitoring/templates/ffmyk-influx/func.php.j2
 create mode 100644 roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2

(limited to 'roles/install_monitoring/templates/ffmyk-influx')

diff --git a/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
new file mode 100644
index 0000000..66371ef
--- /dev/null
+++ b/roles/install_monitoring/templates/ffmyk-influx/dhcp.php.j2
@@ -0,0 +1,23 @@
+<?php
+
+require('func.php');
+
+        $data = file_get_contents('/var/lib/dhcp/dhcpd.leases');
+
+        preg_match_all('/lease ([\d\.]+) \{[^\}]+ends \d+ (\d{4}\/\d{2}\/\d{2} \d+:\d{2}:\d{2});[^\}]+}/s', $data, $match);
+
+        unset($data, $match[0]);
+
+        $dend = time()-120;
+
+        $clients = 0;
+
+        foreach($match[2] as $timeout) {
+                $end = strtotime($timeout.' UTC');
+                if($end > $dend) $clients++;
+        }
+
+        $data = 'clients,host={{ ansible_hostname }},type=backend value='.$clients;
+        sendflux($data);
+
+?>
diff --git a/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
new file mode 100644
index 0000000..985d7d3
--- /dev/null
+++ b/roles/install_monitoring/templates/ffmyk-influx/fastd.php.j2
@@ -0,0 +1,35 @@
+<?php
+require('func.php');
+
+function fastdGetPeers($file) {
+	if (($sock = socket_create(AF_UNIX, SOCK_STREAM, NULL)) === false) {
+		echo "socket_create() fehlgeschlagen: Grund: " . socket_strerror(socket_last_error()) . "\n";
+	}
+
+	if (($result = socket_connect($sock, $file)) === false) {
+		echo "socket_connect() fehlgeschlagen.\nGrund: ($result) " . socket_strerror(socket_last_error($sock)) . "\n";
+	}
+
+	$json = "";
+	#stream_set_timeout($sock, 5);
+	while ($out = socket_read($sock, 2048)) {
+		$json .= $out;
+	}
+
+	$json = json_decode($json);
+
+	$peers = 0;
+	foreach($json->peers as $peer) {
+		if($peer->connection != NULL) $peers++;
+	}
+
+	return $peers;
+}
+
+$fastd_1280 = fastdGetPeers('/run/ffmyk.socket');
+
+$data = 'fastdclient,mtu=1280,host={{ ansible_hostname }},type=backend value='.$fastd_1280."\n"; 
+
+sendflux($data);
+
+?>
diff --git a/roles/install_monitoring/templates/ffmyk-influx/func.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/func.php.j2
new file mode 100644
index 0000000..fd2c248
--- /dev/null
+++ b/roles/install_monitoring/templates/ffmyk-influx/func.php.j2
@@ -0,0 +1,17 @@
+<?php
+function sendflux($data) {
+        $url = 'http://10.222.42.54:8086/write?db=freifunk';
+
+        $options = array(
+            'http' => array(
+                'header'  => "Authorization: Basic " . base64_encode("{{ influx_user }}:{{ influx_password }}") ."\r\nContent-type: application/x-www-form-urlencoded\r\n",
+                'method'  => 'POST',
+                'content' => $data,
+            ),
+        );
+
+        $context  = stream_context_create($options);
+        $result = file_get_contents($url, false, $context);
+}
+
+?>
diff --git a/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2 b/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2
new file mode 100644
index 0000000..82674b9
--- /dev/null
+++ b/roles/install_monitoring/templates/ffmyk-influx/traffic.php.j2
@@ -0,0 +1,53 @@
+<?php
+
+require('func.php');
+
+        function traffic($iface, $alias=false) {
+
+		if(!$alias) $alias = $iface;
+
+/*              ifconfig eth0 | grep bytes
+          RX bytes:700194759 (667.7 MiB)  TX bytes:1090382719 (1.0 GiB)
+
+*/
+                $data = shell_exec('ifconfig '.escapeshellarg($iface).' | grep bytes');
+                preg_match('/RX.+?bytes (\d+) /', $data, $match);
+                $rx = $match[1];
+                unset($match);
+
+                preg_match('/TX.+?bytes (\d+) /', $data, $match);
+                $tx = $match[1];
+                unset($match);
+
+                $file = '/opt/ffmyk-influx/traffic.'.base64_encode($iface).'.cache';
+
+                $out['rx'] = 0;
+                $out['tx'] = 0;
+
+                if(file_exists($file)) {
+                        $cache = unserialize(file_get_contents($file));
+                        $diff = time() - filemtime($file);
+
+                        if($rx > $cache['rx']) $out['rx'] = ($rx - $cache['rx']) / $diff;
+                        if($tx > $cache['tx']) $out['tx'] = ($tx - $cache['tx']) / $diff;
+                }
+
+                file_put_contents($file, serialize(array("rx" => $rx, "tx" => $tx)));
+
+               $data = 'rx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$out['rx']."\n";
+               $data.= 'tx,if='.$alias.',host={{ ansible_hostname }},type=backend value='.$out['tx'];
+
+                sendflux($data);
+
+                $out['if'] = $iface;
+
+                return $out;
+        }
+
+        (traffic('ens3', 'eth0'));
+        (traffic('mullvad'));
+        (traffic('bat0'));
+        (traffic('ffmyk-mesh-vpn', 'ffmyk-mesh-vpnd'));
+
+
+?>
-- 
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