#!/bin/ksh
# File  : cdot_get_netapp_releases.sh
# By    : Maarten de Boer, 200401
# Subject       : Script to get NetApp-cDOT rleases
#
PGM="`basename $0|cut -d\. -f1`"
VER="0.1"
TMP="/tmp/${PGM}.$$"
CLUSTERS="${HOME}/etc/clusters"
MAILTO="maarten.deboer@atos.net"
SSH="/usr/bin/ssh"
HOSTNAME="`hostname | cut -d\. -f1`"
LOG="${HOME}/log/${PGM}.log"
CSV="/tmp/fsod-cluster-releases.csv"
MAIL=""

PREFIX="nl"

SSHCMD()
# 1: Filername 2:Command-string
# When issue with connection to cluster, try the nodes (-01 & -02)
# "There are no entries matching your query." => EC=255
# "no connection" is also EC=255
{
  TMPERR="/tmp/${PGM}.$$.err"
  touch ${TMPERR}
  /usr/bin/ssh -n ${1} "${2}" 2> ${TMPERR}
  EC=${?}
  # Check if "ssh: connect to host 10.192.109.202 port 22: Connection refused" If so (EC2=0), the 2nd
  grep 'Connection refused' ${TMPERR}
  EC2=${?}
  if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
    sleep 1
    /usr/bin/ssh -n ${1}-01 "${2}" 2> ${TMPERR}
    EC=${?}
    grep 'Connection refused' ${TMPERR}
    EC2=${?}
    if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
      sleep 1
      /usr/bin/ssh -n ${1}-02 "${2}" 2> ${TMPERR}
      EC=${?}
      grep 'Connection refused' ${TMPERR}
      EC2=${?}
      if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
        sleep 1
        /usr/bin/ssh -n ${1}-03 "${2}" 2> ${TMPERR}
        EC=${?}
        grep 'Connection refused' ${TMPERR}
        EC2=${?}
        if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
          sleep 1
          /usr/bin/ssh -n ${1}-04 "${2}" 2> ${TMPERR}
          EC=${?}
          grep 'Connection refused' ${TMPERR}
          EC2=${?}
          if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
            sleep 1
            /usr/bin/ssh -n ${1}-05 "${2}" 2> ${TMPERR}
            EC=${?}
            grep 'Connection refused' ${TMPERR}
            EC2=${?}
            if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
              sleep 1
              /usr/bin/ssh -n ${1}-06 "${2}" 2> ${TMPERR}
              EC=${?}
              grep 'Connection refused' ${TMPERR}
              EC2=${?}
              if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
                echo  "`date` ${PGM} ERROR with communication to ${1}. Connection to -01 - -06 failed too."|tee -a ${LOG} 
              fi  # EC=0 & EC2=0
            fi  # -06
          fi  # -05
        fi  # -04
      fi  # -03
    fi  # -02
  fi  # -01
  rm ${TMPERR}
}


USAGE()
{
  echo "Usage: ${PGM} [<options>]"
  echo "  Version: ${VER}"
  echo "  options        :"
  echo "    -e|--etc     : Etc/clusters-file (${CLUSTERS})"
  echo "    -h|--help    : this Help"
  echo "    -m|--mail    : do send Mail"
  echo "    -V           : show 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=$2; MAIL=1; shift ;;
    -h | --help) USAGE; exit 1 ;;
    -V) echo "${PGM}: v${VER}"; exit 2 ;;
    -x)  set -x ;;
    *)  echo "Option ${1} not known. Exiting..."; echo; USAGE; exit 1 ;;
  esac
    shift
done  # case

# MAIN

echo "`date` ${PGM} v${VER} started "|tee -a ${LOG}
touch ${TMP}

echo "# node; release; " > ${TMP}

cat "${CLUSTERS}"|grep -v \^#|awk -F\; '{print $1}'|sort|while read CLUSTER
do
  echo "  ${CLUSTER} ..."
  SSHCMD ${CLUSTER} "set -units GB -showseparator \";\";version -field node,version"|grep ${CLUSTER}|while read LINE
  do
    NODE=`echo ${LINE}|awk -F\; '{print $1}'`
    RELEASE=`echo ${LINE}|awk -F\; '{print $2}'|cut -d\: -f1|sed 's/"//g'`
    echo "${NODE} ; ${RELEASE} "|tee -a ${TMP}

  done  # LINE

done  # CLUSTER

if [ ${MAIL} ]; then
    echo "# Made on `date` by ${PGM} v${VER} at ${HOSTNAME}" >> ${TMP}
    cp ${TMP} ${CSV}
    date | mailx -a ${CSV} -s "@${HOSTNAME}: NetApp (cDOT) releases [$PGM v${VER}]" ${MAILTO}
    echo "  Mailed to ${MAILTO}"|tee -a ${LOG}
fi

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