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Merge pull request #500 from tdumitrescu/ethtool

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ethtool_ plugin
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Steve Schnepp 2014-09-17 09:25:54 +02:00
commit 3868b54696
1 changed files with 72 additions and 0 deletions
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plugins/network/ethtool_ Executable file
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#!/bin/sh
# -*- sh -*-
#
# Plugin to monitor unusual activity/errors from ethernet driver/hardware.
#
# Parameters:
#
# config (required)
# autoconf (optional - only used by munin-config)
#
# Environment variables (optional):
#
# IGNORED_FIELDS: comma-separated list of fields (or field endings) to ignore
# WARN: regex defining fields which trigger 'warning' on non-zero values
# CRITICAL: regex defining fields which trigger 'critical' on non-zero values
#
# Author: Ted Dumitrescu (ted@mixpanel.com, webdev@cmme.org)
#
# Magic markers (optional - used by munin-config and some installation
# scripts):
#%# family=auto
#%# capabilities=autoconf
INTERFACE=${0##*ethtool_}
ETHTOOL="ethtool -S $INTERFACE"
if [ -z $IGNORED_FIELDS ]; then
IGNORED_FIELDS='packets,bytes,broadcast,multicast,long_byte_count,offload_good,tcp_seg_good,smbus'
fi
if [ -z $WARN ]; then
WARN='tx_.*restart.*'
fi
if [ -z $CRITICAL ]; then
CRITICAL='(rx_no_buffer_count|rx_missed_errors|rx_queue_.+_drops)'
fi
TO_REMOVE=`echo $IGNORED_FIELDS | sed 's/,/\\\|/g'`
STRIP_OUTPUT="1d; s/^[ \t]*//; /\($TO_REMOVE\):/d"
if [ "$1" = "autoconf" ]; then
$ETHTOOL 2>/dev/null >/dev/null
if [ $? -ne 0 ]; then
echo no
exit 1
else
echo yes
exit 0
fi
fi
if [ "$1" = "config" ]; then
echo "graph_title Ethtool $INTERFACE"
echo 'graph_args -l 0 --base 1000'
echo 'graph_category network'
echo 'graph_period second'
echo 'graph_info Unusual network hardware activity from ethtool'
$ETHTOOL | sed "$STRIP_OUTPUT" | awk -F: -v WARN=$WARN -v CRITICAL=$CRITICAL '
{
printf("%s.label %s\n%s.type DERIVE\n%s.min 0\n", $1, $1, $1, $1);
if ($1 ~ "^"WARN) {
printf("%s.warning 0:0\n", $1);
} else if ($1 ~ "^"CRITICAL) {
printf("%s.critical 0:0\n", $1);
}
}'
exit 0
fi
$ETHTOOL | sed "$STRIP_OUTPUT; s/:/.value/"