From 16b041fdd8ab4560e952cbe7f1ed1d77315ccb95 Mon Sep 17 00:00:00 2001
From: Jef Bucas <unknown@munin-monitoring.org>
Date: Fri, 20 Nov 2009 16:47:01 +0100
Subject: [PATCH] Initial version

---
 plugins/other/esxi | 254 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 254 insertions(+)
 create mode 100755 plugins/other/esxi

diff --git a/plugins/other/esxi b/plugins/other/esxi
new file mode 100755
index 00000000..34506db1
--- /dev/null
+++ b/plugins/other/esxi
@@ -0,0 +1,254 @@
+#!/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