mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
73 lines
1.8 KiB
Plaintext
73 lines
1.8 KiB
Plaintext
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#!/bin/sh
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# -*- sh -*-
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#
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# Plugin to monitor unusual activity/errors from ethernet driver/hardware.
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#
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# Parameters:
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#
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# config (required)
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# autoconf (optional - only used by munin-config)
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#
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# Environment variables (optional):
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#
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# IGNORED_FIELDS: comma-separated list of fields (or field endings) to ignore
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# WARN: regex defining fields which trigger 'warning' on non-zero values
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# CRITICAL: regex defining fields which trigger 'critical' on non-zero values
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#
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# Author: Ted Dumitrescu (ted@mixpanel.com, webdev@cmme.org)
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#
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# Magic markers (optional - used by munin-config and some installation
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# scripts):
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#%# family=auto
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#%# capabilities=autoconf
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INTERFACE=${0##*ethtool_}
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ETHTOOL="ethtool -S $INTERFACE"
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if [ -z $IGNORED_FIELDS ]; then
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IGNORED_FIELDS='packets,bytes,broadcast,multicast,long_byte_count,offload_good,tcp_seg_good,smbus'
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fi
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if [ -z $WARN ]; then
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WARN='tx_.*restart.*'
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fi
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if [ -z $CRITICAL ]; then
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CRITICAL='(rx_no_buffer_count|rx_missed_errors|rx_queue_.+_drops)'
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fi
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TO_REMOVE=`echo $IGNORED_FIELDS | sed 's/,/\\\|/g'`
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STRIP_OUTPUT="1d; s/^[ \t]*//; /\($TO_REMOVE\):/d"
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if [ "$1" = "autoconf" ]; then
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$ETHTOOL 2>/dev/null >/dev/null
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if [ $? -ne 0 ]; then
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echo no
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exit 1
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else
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echo yes
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exit 0
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fi
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fi
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if [ "$1" = "config" ]; then
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echo "graph_title Ethtool $INTERFACE"
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echo 'graph_args -l 0 --base 1000'
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echo 'graph_category network'
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echo 'graph_period second'
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echo 'graph_info Unusual network hardware activity from ethtool'
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$ETHTOOL | sed "$STRIP_OUTPUT" | awk -F: -v WARN=$WARN -v CRITICAL=$CRITICAL '
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{
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printf("%s.label %s\n%s.type DERIVE\n%s.min 0\n", $1, $1, $1, $1);
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if ($1 ~ "^"WARN) {
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printf("%s.warning 0:0\n", $1);
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} else if ($1 ~ "^"CRITICAL) {
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printf("%s.critical 0:0\n", $1);
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}
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}'
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exit 0
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fi
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$ETHTOOL | sed "$STRIP_OUTPUT; s/:/.value/"
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