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contrib-munin/plugins/other/esxi

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2009-11-20 16:47:01 +01:00
#!/bin/bash
GREP="/usr/bin/grep"
SED="/usr/bin/sed"
TAIL="/usr/bin/tail"
SSH="/usr/bin/ssh"
BASENAME="/usr/bin/basename"
# script name must be like esx_cpu_machine.domain or esx_mem_machine.domain
temp="$(basename $0 | $SED 's/^esx_//g')"
which_info="${temp%%_*}"
HOST="${temp##*_}"
case "$which_info" in
"cpu" | "mem" | "hmem" | "gmem" ) ;;
* ) echo "Script name incorrect, should be esx_xxx_hostname where xxx in {cpu,mem,hmem,gmem}"
exit 1;;
esac
# ---------------
function get_infos () {
summary="$($SSH "$HOST" \
vim-cmd hostsvc/hostsummary \; \
vim-cmd vmsvc/getallvms)"
}
function get_vmlist () {
total_linenumber="$(echo "$summary" | wc -l)"
vmlist_linenumber="$(echo "$summary" | $GREP -n "^Vmid")"
vmlist_linenumber="${vmlist_linenumber/:*/}"
vmlist="$(echo "$summary" | $TAIL -n $(($total_linenumber - $vmlist_linenumber)) | tr -s " ")"
}
function overallCpuUsage () {
cpu="$(echo "$1" | $GREP "overallCpuUsage")"
cpu="${cpu/*overallCpuUsage = /}"
cpu="${cpu/,*/}"
}
function overallMemoryUsage () {
mem="$(echo "$1" | $GREP "overallMemoryUsage")"
mem="${mem/*overallMemoryUsage = /}"
mem="${mem/,*/}"
}
# ---------------
function get_vmsvcsummaries () {
n=0
cmd=""
# echo "$vmlist" | \
while read vmline ; do
id[$n]="${vmline%% *}"
temp="${vmline#${id[$n]} }"
name[$n]="${temp%% *}"
cmd="$cmd""vim-cmd vmsvc/get.summary ${id[$n]} \\\; "
(( n++ ))
done <<EOF
$vmlist
EOF
vmsummaries="$($SSH "$HOST" $cmd)"
}
# ---------------
function VMoverallCpuUsage () {
cpulist="$(echo "$1" | $GREP "overallCpuUsage")"
n=0
while read c ; do
temp="${c/*overallCpuUsage = /}"
vmcpu[$n]="${temp/,*/}"
(( n++ ))
done <<EOF
$cpulist
EOF
}
function VMoverallGuestMemUsage () {
memlist="$(echo "$1" | $GREP "guestMemoryUsage")"
n=0
while read m ; do
temp="${m/*guestMemoryUsage = /}"
vmmem[$n]="${temp/,*/}"
(( n++ ))
done <<EOF
$memlist
EOF
}
function VMoverallHostMemUsage () {
memlist="$(echo "$1" | $GREP "hostMemoryUsage")"
n=0
while read m ; do
temp="${m/*hostMemoryUsage = /}"
vmmem[$n]="${temp/,*/}"
(( n++ ))
done <<EOF
$memlist
EOF
}
# ---------------
if [ "$1" = "autoconf" ]; then
get_infos
if [ -n "$summary" ]; then
echo yes
exit 0
else
echo "Cannot connect to ESX server $HOST"
exit 1
fi
fi
if [ "$1" = "config" ]; then
get_infos
if [ -z "$summary" ]; then
echo "Cannot connect to ESX server $HOST"
exit 1
fi
case "$which_info" in
"cpu" )
echo 'graph_title ESXi Domain CPU Usage'
echo 'graph_args -l 0'
echo 'graph_scale no'
echo 'graph_vlabel CPU usage in MHz'
echo 'graph_category esx'
echo 'graph_info This graph shows the average CPU MHz used by each domain'
name="Domain_0"
echo "$name.label $name"
echo "$name.type GAUGE"
echo "$name.draw AREA"
echo "$name.min 0"
echo "$name.info CPU MHz used by $name"
get_vmlist
if [ -n "$vmlist" ]; then
n=0
cmd=""
while read vmline ; do
id="${vmline%% *}"
temp="${vmline#$id }"
name="${temp%% *}"
name=`echo $name | sed -e"s/[-\.]/_/g"`
echo "$name.label $name"
echo "$name.type GAUGE"
echo "$name.draw STACK"
echo "$name.min 0"
echo "$name.info CPU MHz used by $name"
(( n++ ))
done <<EOF
$vmlist
EOF
fi;;
"mem" | "hmem" | "gmem" )
echo 'graph_title ESXi Domain '"$which_info"' Usage'
echo 'graph_args -l 0'
echo 'graph_scale no'
echo 'graph_vlabel Memory usage in Megabytes'
echo 'graph_category esx'
echo 'graph_info This graph shows the average Memory used by each domain'
name="Domain_0"
echo "$name.label $name"
echo "$name.type GAUGE"
echo "$name.draw AREA"
echo "$name.min 0"
echo "$name.info Memory usage for $name"
get_vmlist
if [ -n "$vmlist" ]; then
n=0
cmd=""
while read vmline ; do
id="${vmline%% *}"
temp="${vmline#$id }"
name="${temp%% *}"
name=`echo $name | sed -e"s/[-\.]/_/g"`
echo "$name.label $name"
echo "$name.type GAUGE"
echo "$name.draw STACK"
echo "$name.min 0"
echo "$name.info Memory usage for $name"
(( n++ ))
done <<EOF
$vmlist
EOF
fi;;
esac
exit 0
fi
# ---------------
# Get the informations
get_infos
if [ -z "$summary" ]; then
echo "Cannot connect to ESX server $HOST"
exit 1
fi
case $which_info in
"cpu" ) overallCpuUsage "$summary" ;;
"mem" | "hmem" | "gmem" ) overallMemoryUsage "$summary" ;;
esac
get_vmlist
if [ -n "$vmlist" ]; then
get_vmsvcsummaries
case $which_info in
"cpu" ) VMoverallCpuUsage "$vmsummaries";;
"mem" | "hmem" ) VMoverallHostMemUsage "$vmsummaries";;
"gmem" ) VMoverallGuestMemUsage "$vmsummaries";;
esac
fi
# ---------------
# Print information Munin style
case $which_info in
"cpu" ) echo "Domain_0.value ""$cpu";;
"mem" | "gmem" | "hmem" ) echo "Domain_0.value ""$(($mem))";;
esac
if [ -n "$vmlist" ]; then
n=0
while [ -n "${id[$n]}" ]; do
#echo ${id[$n]} ${name[$n]} ${vmcpu[$n]} ${vmmem[$n]}
case $which_info in
"cpu" ) echo "${name[$n]}".value "${vmcpu[$n]}";;
"mem" | "gmem" | "hmem" ) echo "${name[$n]}".value "$((${vmmem[$n]}))";;
esac
(( n++ ))
done
fi