install_monitoring: added ffmyk-influx

1 files changed, 23 insertions, 0 deletions

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);
+
+?>