Virtual Machine monitoring script for Zabbix

virsh_vm_stats.sh

#!/usr/bin/env bash
#
# virsh_vm_stats.sh:
# Virtual Machine monitoring script for Zabbix
#
# $1: Virtual Machine dom-uuid
#

# script settings.
export LANG='en_US.UTF-8'
cd `dirname $0`
source ./zbx_functions

DOM_UUID="$1"
[ -z "${DOM_UUID}" ] && echo "ERROR: dom-uuid is not provided." && exit 1

POLLING_TIME=$( date '+%s' )
RESULT=$( virsh dominfo "${DOM_UUID}" 2> /dev/null )
[ -z "${RESULT}" ] && echo "ERROR: could not get dom-info for DOM_UUID:${DOM_UUID}." && exit 1

VM_OS_TYPE=$( echo "${RESULT}" | grep 'OS Type:' | sed -e 's/.*: *//g' )
  [ -z "${VM_OS_TYPE}" ] && VM_OS_TYPE='unknown'
VM_STATE=$( echo "${RESULT}" | grep 'State:' | sed -e 's/.*: *//g' )
  [ -z "${VM_STATE}" ] && VM_STATE='unknown'
VM_CPUS=$( echo "${RESULT}" | grep 'CPU(s):' | sed -e 's/.*: *//g' )
  [ -z "${VM_CPUS}" ] && VM_CPUS='0'
VM_CPU_TIME=$( echo "${RESULT}" | grep 'CPU time:' | sed -e 's/.*: *//g' -e 's/s$//g' )
  [ -z "${VM_CPU_TIME}" ] && VM_CPU_TIME='0'
VM_MAX_MEMORY=$( echo "${RESULT}" | grep 'Max memory:' | sed -e 's/.*: *//g' -e 's/ kB//g' )
  [ -z "${VM_MAX_MEMORY}" ] && VM_MAX_MEMORY='0'
VM_USED_MEMORY=$( echo "${RESULT}" | grep 'Used memory:' | sed -e 's/.*: *//g' -e 's/ kB//g' )
  [ -z "${VM_USED_MEMORY}" ] && ='0'
VM_PERSISTENT=$( echo "${RESULT}" | grep 'Persistent:' | sed -e 's/.*: *//g' )
  [ -z "${VM_PERSISTENT}" ] && VM_PERSISTENT='unknown'
VM_AUTOSTART=$( echo "${RESULT}" | grep 'Autostart:' | sed -e 's/.*: *//g' )
  [ -z "${VM_AUTOSTART}" ] && VM_AUTOSTART='unknown'

{
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.os_type ${POLLING_TIME} \"${VM_OS_TYPE}\""
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.state ${POLLING_TIME} \"${VM_STATE}\""
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.cpus ${POLLING_TIME} ${VM_CPUS}"
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.cpu_time ${POLLING_TIME} ${VM_CPU_TIME}"
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.max_memory ${POLLING_TIME} ${VM_MAX_MEMORY}"
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.used_memory ${POLLING_TIME} ${VM_USED_MEMORY}"
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.persistent ${POLLING_TIME} \"${VM_PERSISTENT}\""
  echo "\"${DOM_UUID}\" script.virsh_vm_stats.autostart ${POLLING_TIME} \"${VM_AUTOSTART}\""
} | zbx_bulk_sender 2>&1