From 5cab116a0d7e289bd811540fd7e67d5e0fd97b2b Mon Sep 17 00:00:00 2001
From: Tom Laermans <tom@localhost>
Date: Wed, 9 Jun 2010 20:09:38 +0000
Subject: [PATCH] current polling

git-svn-id: http://www.observium.org/svn/observer/trunk@1126 61d68cd4-352d-0410-923a-c4978735b2b8
---
 includes/polling/current.inc.php | 56 ++++++++++++++++++++++++++++++++
 poll-device.php                  |  1 +
 2 files changed, 57 insertions(+)
 create mode 100644 includes/polling/current.inc.php

diff --git a/includes/polling/current.inc.php b/includes/polling/current.inc.php
new file mode 100644
index 000000000..d43422cf7
--- /dev/null
+++ b/includes/polling/current.inc.php
@@ -0,0 +1,56 @@
+<?php
+
+$query = "SELECT * FROM current WHERE device_id = '" . $device['device_id'] . "'";
+$current_data = mysql_query($query);
+while($dbcurrent = mysql_fetch_array($current_data)) {
+
+  echo("Checking current " . $dbcurrent['current_descr'] . "... ");
+
+  $current_cmd = $config['snmpget'] . " -m SNMPv2-MIB -O Uqnv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port'] . " " . $dbcurrent['current_oid'] . "|grep -v \"No Such Instance\"";
+  $current = trim(str_replace("\"", "", shell_exec($current_cmd)));
+
+  if ($dbcurrent['current_precision']) 
+  {
+    $current = $current / $dbcurrent['current_precision'];
+  }
+
+  $currentrrd  = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("current-" . $dbcurrent['current_descr'] . ".rrd");
+
+  if (!is_file($currentrrd)) {
+    `rrdtool create $currentrrd \
+     --step 300 \
+     DS:current:GAUGE:600:-273:1000 \
+     RRA:AVERAGE:0.5:1:1200 \
+     RRA:MIN:0.5:12:2400 \
+     RRA:MAX:0.5:12:2400 \
+     RRA:AVERAGE:0.5:12:2400`;
+  }
+
+  echo($current . " A\n");
+
+  rrdtool_update($currentrrd,"N:$current");
+  
+# FIXME also warn when crossing WARN level!!
+  if($dbcurrent['current_current'] > $dbcurrent['current_limit_low'] && $current <= $dbcurrent['current_limit_low']) 
+  {
+    if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
+    $msg  = "Current Alarm: " . $device['hostname'] . " " . $dbcurrent['current_descr'] . " is " . $current . "A (Limit " . $dbcurrent['current_limit'];
+    $msg .= "A) at " . date($config['timestamp_format']);
+    mail($email, "Current Alarm: " . $device['hostname'] . " " . $dbcurrent['current_descr'], $msg, $config['email_headers']);
+    echo("Alerting for " . $device['hostname'] . " " . $dbcurrent['current_descr'] . "\n");
+    eventlog('Current ' . $dbcurrent['current_descr'] . " under threshold: " . $dbcurrent['current_current'] . " A (< " . $dbcurrent['current_limit_low'] . " A)", $device['device_id']);
+  }
+  else if($dbcurrent['current_current'] < $dbcurrent['current_limit'] && $current >= $dbcurrent['current_limit']) 
+  {
+    if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
+    $msg  = "Current Alarm: " . $device['hostname'] . " " . $dbcurrent['current_descr'] . " is " . $current . "A (Limit " . $dbcurrent['current_limit'];
+    $msg .= "A) at " . date($config['timestamp_format']);
+    mail($email, "Current Alarm: " . $device['hostname'] . " " . $dbcurrent['current_descr'], $msg, $config['email_headers']);
+    echo("Alerting for " . $device['hostname'] . " " . $dbcurrent['current_descr'] . "\n");
+    eventlog('Current ' . $dbcurrent['current_descr'] . " above threshold: " . $dbcurrent['current_current'] . " A (> " . $dbcurrent['current_limit'] . " A)", $device['device_id']);
+  }
+
+  mysql_query("UPDATE current SET current_current = '$current' WHERE current_id = '" . $dbcurrent['current_id'] . "'");
+}
+
+?>
diff --git a/poll-device.php b/poll-device.php
index 1fdbcf045..9c15d742a 100755
--- a/poll-device.php
+++ b/poll-device.php
@@ -161,6 +161,7 @@ while ($device = mysql_fetch_array($device_query)) {
     include("includes/polling/fanspeeds.inc.php");
     include("includes/polling/voltages.inc.php");
     include("includes/polling/frequencies.inc.php");
+    include("includes/polling/current.inc.php");
     include("includes/polling/processors.inc.php");
     include("includes/polling/mempools.inc.php");
     include("includes/polling/storage.inc.php");