119 lines
3.7 KiB
Bash
Executable File
119 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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# -*- sh -*-
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<< END
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esxcli_env_ - Plugin to monitor ESXi host temperature or power via esxcli.
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This plugin should be linked as esxi_env_temp or esxi_env_power.
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Configuration variables (/etc/munin/plugin-conf.d/):
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Munin native:
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host_name - Name of you ESXi host as defined in munin.conf
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timeout - Plugin specific timeout
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Plugin specific:
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env.esxi_host - (REQUIRED) hostname/ip esxcli connect to
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env.esxi_user - (REQUIRED) ESXi username to connect
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env.esxi_password - (REQUIRED) password for user given above
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env.cache_file - path to cache file (we do not want two or more sequential reconnections to ESXi host)
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env.cache_max_age - if cache file is an older than this, we will fetch new data from ESXi host
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env.warning - warning limit
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env.critical - critical limit
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env.margin_warning - warning limit for temperature margin values
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env.margin_critical - critical limit for temperature margin values
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Please be aware that Munin has a 10 second default timeout on plugins. On some hosts esxcli can take longer
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than that, but you could set timeout in plugin config.
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by Oleg Selin <oleg.selin@gmail.com>
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#%# family=auto
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#%# capabilities=autoconf suggest
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END
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# Set default config if not given
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if [ -z "$cache_file" ]; then cache_file="/tmp/munin.esxcli_env.cache"; fi
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if [ -z "$cache_max_age" ]; then cache_max_age="120"; fi
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case $1 in
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autoconf)
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type -p esxcli &>/dev/null ||
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{ echo "no (missing esxcli command)" && exit 0; }
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echo "yes"
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exit 0;;
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suggest)
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echo "temp"
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echo "power"
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exit 0;;
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esac
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# Is connection information given?
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if [ -z "$esxi_host" ] || [ -z "$esxi_user" ] || [ -z $esxi_password ];
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then
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echo "Please configure connection information"
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exit 1
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fi
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### PROCESSING ###
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# Case insensitive regex
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shopt -s nocasematch
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# Determine sensor type
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type=${0##*/esxcli_env_}
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case "$type" in
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temp)
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regex="(temp.*degrees|therm.*degrees)"
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graph_title="ESXi host temperatures"
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graph_vlabel="C"
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;;
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power)
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regex="([0-9]\\\\s?v.* volts )"
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graph_title="ESXi host voltages"
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graph_vlabel="V"
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;;
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*)
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echo "This plugin should be linked as esxi_env_temp or esxi_env_power"
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exit 1
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esac
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# Get ipmi sdr data
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if [ -f $cache_file ]; then cache=`stat --printf=%Y $cache_file`; fi
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if [ `expr $cache + $cache_max_age` -lt `date +%s` ]
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then
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data=`esxcli -s $esxi_host -u $esxi_user -p $esxi_password hardware ipmi sdr list`
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echo "$data" > $cache_file
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else
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data=`cat $cache_file`
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fi
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# Convert to array
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OLDIFS=$IFS
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IFS=$'\n'
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sensor_names=(`echo "$data" | awk -v regexp="${regex}" 'BEGIN{IGNORECASE=1;FS="\\\\s{2,}"} $0~regexp {gsub(" ","_",$2);print tolower($2)}'`)
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sensor_labels=(`echo "$data" | awk -v regexp="${regex}" 'BEGIN{IGNORECASE=1;FS="\\\\s{2,}"} $0~regexp {print $2}'`)
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sensor_values=(`echo "$data" | awk -v regexp="${regex}" 'BEGIN{IGNORECASE=1;FS="\\\\s{2,}"} $0~regexp {print $4}'`)
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IFS=$OLDIFS
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# Array holds all sensor indexes
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indexes=${!sensor_names[@]}
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# Processing
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case $1 in
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config) # Config run
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echo "graph_title $graph_title"
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echo "graph_vlabel $graph_vlabel"
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echo "graph_category sensors"
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for index in $indexes; do
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echo ${sensor_names[$index]/./,}.label ${sensor_labels[$index]}
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if [[ ${sensor_names[$index]} =~ margin ]]; then
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echo ${sensor_names[$index]/./,}.warning $margin_warning
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echo ${sensor_names[$index]/./,}.critical $margin_critical
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else
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echo ${sensor_names[$index]/./,}.warning $warning
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echo ${sensor_names[$index]/./,}.critical $critical
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fi
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done
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exit 0;;
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*) # Normal run
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for index in $indexes; do
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echo ${sensor_names[$index]/./,}.value ${sensor_values[$index]}
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done
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esac
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