#!/bin/sh
# File	: cdot_chk_efficiency.sh
# By	: Maarten.deBoer@atos.net, 170920,220817
# Subject	: Script to check (some) efficiency parameter
# set -x
#(0.2),220817	: Added USAGE
PGM="`basename $0|cut -d\. -f1`"
VER="0.2"
TMP="/tmp/${TMP}.$$"
LOG="${HOME}/log/${PGM}.log"
SSH="/usr/bin/ssh -n"
HOSTNAME="`hostname|cut -d\. -f1`"
MAILTO="maarten.deboer@atos.net"
MAIL=""
CLUSTERS="${HOME}/etc/clusters"
CFILTER="[?]*"
SFILTER="[?]*"
VFILTER="_vol"
SET_EFF=""

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"
  /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 2
    /usr/bin/ssh -n ${1}-05 "${2}" 2> ${TMPERR}
    EC=${?}
    grep 'Connection refused' ${TMPERR}
    EC2=${?}
    if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
      sleep 2
      /usr/bin/ssh -n ${1}-06 "${2}" 2> ${TMPERR}
      EC=${?}
      grep 'Connection refused' ${TMPERR}
      EC2=${?}
      if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
        sleep 2
        /usr/bin/ssh -n ${1}-07 "${2}" 2> ${TMPERR}
        EC=${?}
        grep 'Connection refused' ${TMPERR}
        EC2=${?}
        if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
          echo "  EC=${EC} sleep 2 ..."
          sleep 2
          /usr/bin/ssh -n ${1}-08 "${2}" 2> ${TMPERR}
          EC=${?}
          grep 'Connection refused' ${TMPERR}
          EC2=${?}
          if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
            echo "  EC=${EC} sleep 2 ..."
            sleep 2
            /usr/bin/ssh -n ${1}-09 "${2}" 2> ${TMPERR}
            EC=${?}
            grep 'Connection refused' ${TMPERR}
            EC2=${?}

            if [ ${EC} -ne 0 ] && [ ${EC2} -eq 0 ]; then
              echo "  EC=${EC} sleep 2 ..."
              sleep 2
              /usr/bin/ssh -n ${1}-10 "${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: ${VER}"
  echo "  options          :"
  echo "    -c             : Cluster filter (${CFILTER})"
  echo "    -s             : Svm filter (${SFILTER})"
  echo "    -v             : Volume filter (${VFILTER})"
  echo "    -m | --mail    : Mail the logging"
  echo "    -h | --help    : this help"
  echo "    -V             : Version"
  echo "    -x             : set -x"
  echo "    --mailto       : set new MAILTO (${MAILTO})"
  echo "    --set_eff      : set efficiency"
}
# Check options
while [ ${#} -gt 0 ]
  do
  case ${1} in
    -c) CFILTER="${2}"; shift ;;
    -s) SFILTER="${2}"; shift ;;
    -v) VFILTER="${2}"; shift ;;
    -m | --mail) MAIL=1 ;;
    -h | --help) USAGE; exit 1 ;;
    -V) echo "${PGM}: v${VER}"; exit 3 ;;
    -x)  set -x ;;
    --mailto) MAIL=1; MAILTO="${2}"; shift ;;
    --set_eff) SET_EFF=1 ;;
    *)  echo "Option ${1} not known."; USAGE; exit 1 ;;
  esac
    shift
done


# MAIN
echo "`date` ${PGM} v${VER} started."|tee -a ${LOG}
echo "CLUSTERS=${CLUSTERS}"
echo "MAILTO=${MAILTO}"
echo "MAIL=${MAIL}"
echo "CFILTER=${CFILTER}"
echo "SFILTER=${SFILTER}"
echo "VFILTER=${VFILTER}"
echo "SET_EFF=${SET_EFF}"
sleep 1

touch ${TMP}
for CLUSTER in `cat ${CLUSTERS}|grep -v ^#|grep "${CFILTER}"`
do
#  echo "${CLUSTER} ..."
  SSHCMD ${CLUSTER} 'vserver show -operational-state running -field vserver'|grep nl|grep "${SFILTER}"|while read VSERVER REST
  do
    echo "  ${CLUSTER}/${VSERVER} ..."

    SSHCMD ${CLUSTER} "set -showseparator \";\" ; volume efficiency show -vserver ${VSERVER} -field policy,compression,inline-compression,inline-dedupe,state"|grep "${VFILTER}"|while read LINE
    do
# vserver;volume;state;policy;compression;inline-compression;inline-dedupe
      VSERVER=`echo ${LINE}|awk -F\; '{print $1}'|grep nlnaf`
      VOLUME=`echo ${LINE}|awk -F\; '{print $2}'|grep vol`
      STATE=`echo ${LINE}|awk -F\; '{print $3}'`
      POLICY=`echo ${LINE}|awk -F\; '{print $4}'`
      COMPRESSION=`echo ${LINE}|awk -F\; '{print $5}'`
      INLINE_COMPRESSION=`echo ${LINE}|awk -F\; '{print $6}'`
      INLINE_DEDUPE=`echo ${LINE}|awk -F\; '{print $7}'`
echo "${VSERVER};${VOLUME};${STATE};${POLICY};${COMPRESSION};${INLINE_COMPRESSION};${INLINE_DEDUPE};"|tee -a ${TMP}

      if [ ${POLICY} != "dedup_daily" ] && [ ${SET_EFF} ]; then
        echo "  Setting POLICY=dedup_daily to ${VSERVER}:${VOLUME}"|tee -a ${LOG}
        SSHCMD ${CLUSTER} "volume efficiency modify -vserver ${VSERVER} -volume ${VOLUME} -policy dedup_daily"

#        SSHCMD ${CLUSTER} "volume efficiency modify –vserver ${VSERVER} –volume ${VOLUME} –policy dedup_daily"
      fi
      if [ ${COMPRESSION} = "false" ] && [ ${SET_EFF} ]; then
        echo "  Setting COMPRESSION to ${VSERVER}:${VOLUME}|"|tee -a ${LOG}
        SSHCMD ${CLUSTER} "volume efficiency on -vserver ${VSERVER} -volume ${VOLUME}"

        SSHCMD ${CLUSTER} "volume efficiency modify -vserver ${VSERVER} -volume ${VOLUME} -compression true"
      fi
      if [ ${INLINE_COMPRESSION} = "false" ] && [ ${SET_EFF} ]; then
        echo "  Setting INLINE_COMPRESSION to ${VSERVER}:${VOLUME}"|tee -a ${LOG}
         SSHCMD ${CLUSTER} "volume efficiency modify -vserver ${VSERVER} -volume ${VOLUME} -inline-compression true"
      fi
      if [ ${INLINE_DEDUPE} = "false" ] && [ ${SET_EFF} ]; then
        echo "  Setting INLINE_DEDUPE to ${VSERVER}:${VOLUME}"|tee -a ${LOG}
        SSHCMD ${CLUSTER} "volume efficiency modify -vserver ${VSERVER} -volume ${VOLUME} -inline-dedupe true"
      fi

    done  # LINE

  done  # VSERVER
done  # for CLUSTER

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