#!/bin/bash
# File	: cdot_chk_volumes.sh
# By	: Maarten.deBoer@atos.net, 141110
# Subject	: Script to check "space-guarantee" and language (C.UTF8)
#(0.2)	: Added USAGE
#(0.3),160711	: Some mod's
#(0.4),160907	: Some mod's; FILTER + PREFIX, header
#(0.5),161121	: Footers additions
#(0.5b),240118	: At mailx -s "@" => ":"
PGM="`basename $0|cut -d\. -f1`"
VER="0.5b"
TMP="/tmp/${PGM}.$$"
LOG="${HOME}/log/${PGM}.log"
SSH="/usr/bin/ssh -n"
HOSTNAME="`hostname|cut -d\. -f1`"
MAILTO="maarten.deboer@atos.net"
DATE="`date +%Y-%m-%d`"
CSV="FSOD_thick_volumes.csv"
EXCLUDES="${HOME}/etc/${PGM}.excludes"
MAIL=""
FILTER="[?]*"
VFILTER="*"
PREFIX="nlnaf"


CLUSTERS="${HOME}/etc/clusters"

# MAIN

USAGE()
{
  echo "Usage: $PGM [options] "
  echo "  Version: ${VER}"
  echo "  options     :"
  echo "    -e|--etc  : Etc/cluster-file (${CLUSTERS})"
  echo "    -f        : clustername Filter (${FILTER})"
  echo "    -h        : this help"
  echo "    -m|--mail : send Mail"
  echo "    -v        : Vserver(SVM) filter (${VFILTER})"
  echo "    -V        : Version"
  echo "    -x        : set -x"
  echo "    --mailto  : change MAILTO address & do send mail (${MAILTO})"
}

# Check options
while [ $# -gt 0 ]
  do
  case ${1} in
    -e | --etc) CLUSTERS=${2}; shift ;;
    -m | --mail) MAIL=1 ;;
    --mailto) MAILTO=$2; MAIL=1; shift ;;
    -h | --help) USAGE; exit 1 ;;
    -f) FILTER=${2}; shift ;;
    -v) VFILTER=${2}; shift ;;
    -V) echo "${PGM}: v${VER}"; exit 3 ;;
    -x)  set -x ;;
    *)  echo "Option ${1} not known."; USAGE; exit 1 ;;
  esac
    shift
done

echo "# Cluster;Vserver;Volume;space-guarantee;used size;total size;perc used;" > ${TMP}
echo "`date` ${PGM} v${VER} started."|tee -a ${LOG}

for CLUSTER in `cat ${CLUSTERS}|grep -v ^#|grep ${FILTER}`
do
  echo "${CLUSTER} ..."
# option -field selects the items to be shown. NOT the order. That is FIXED
  ${SSH} ${CLUSTER} "volume show -vserver *${VFILTER}* -volume * -field  volume,space-guarantee,language,used,size,percent-used"|grep ${PREFIX}|while read VSERVER VOLUME SIZE USED PERC SPACEG LANG REST
  do
#    echo "${VSERVER} ${VOLUME} ${SPACEG} ${LANG} ${REST} "
# if space-guarantee is not none
    if [ "${SPACEG}" != "none" ]; then
# Check if volume(part) is not excludes
# And not vol0
      ANSW="`echo ${VOLUME}|grep -f ${EXCLUDES}`"
      if [ "${ANSW}" = "" ] && [ "${VOLUME}" != "vol0" ]; then
        echo "${CLUSTER};${VSERVER};${VOLUME};${SPACEG};${SIZE};${USED};${PERC};"|tee -a ${TMP}
      fi  # ANSW
    fi  # SPACEG

  done  # SSH

done  # for CLUSTER

if [ ${MAIL} ]; then
  echo "#"|tee -a ${TMP}
  echo "# CLUSTERS=${CLUSTERS}"|tee -a ${TMP}
  echo "# FILTER=${FILTER}"|tee -a ${TMP}
  echo "# VFILTER=${VFILTER}"|tee -a ${TMP}
  echo "# EXCLUDES=${EXCLUDES}"|tee -a ${TMP}
  cp ${TMP} /tmp/${CSV}
  LINES="`cat /tmp/${CSV}|grep -v ^#|wc -l`"
  echo "${LINES} line(s) found with thick volumes (space-guarantee=volume). Please check attachement."|mailx -a /tmp/${CSV} -s ":${HOSTNAME}: cDOT thick volumes [${PGM} v${VER}]" ${MAILTO}
  echo "  Mailed to ${MAILTO}"|tee -a ${LOG}
  rm /tmp/${CSV}
fi  # MAIL

# Finish
rm ${TMP}
echo "`date` ${PGM} finished."|tee -a ${LOG}
exit 0