thing.sh

has_it_been_24_hrs() {
  echo "#### Starting has_it_been_24_hrs ####"

  echo "Contents of REBOOT_CANDIDATES (/tmp/rebot-testing/ssh_outage/reboot_candidates:"
  cat ${REBOOT_CANDIDATES}
  echo "Contents of REBOOT_LOG (/tmp/rebot-testing/reboot_history/reboot_log:"
  cat ${REBOOT_LOG}
  #echo "# Starting timestamp comparison #"
  echo ""
  rm -f "${REBOOT_CANDIDATES}.tmp" && touch "${REBOOT_CANDIDATES}.tmp"
  for host in `cat "${REBOOT_CANDIDATES}"`; do
    if grep -q $host "${REBOOT_LOG}" ; then
      echo ""
      #echo "$host found in REBOOT_LOG. Checking its timestamp to see if it's been more than 24 hours."
      PREVIOUS_REBOOT=`grep $host $REBOOT_LOG | head -1 | awk -F: '{print $3 }'`
      #echo "Previous reboot:" $PREVIOUS_REBOOT
      SECONDS_SINCE_REBOOT=$(($EPOCH_NOW - $PREVIOUS_REBOOT ))
      #echo "$host previous reboot:" $PREVIOUS_REBOOT". Seconds since: "$SECONDS_SINCE_REBOOT". Should be more than 86400."
      if [ "${SECONDS_SINCE_REBOOT}" -gt 86400 ]; then
        echo $host >> "${REBOOT_CANDIDATES}.tmp"
        # echo "More than a day since $host was rebooted. Ok to reboot."
      else
        # echo "Less than a day since $host was rebooted. Not ok to reboot."
        echo "Less than a day since $host was rebooted (${SECONDS_SINCE_REBOOT}" \
          "seconds. Should be more than 86400.) Not ok to reboot." > ${NOTIFICATION_EMAIL}
      fi
    else
      echo $host >> "${REBOOT_CANDIDATES}.tmp"
      # echo "$host is not present in the REBOOT_LOG. Ok to proceed."
    fi
  done
  mv "${REBOOT_CANDIDATES}.tmp" "${REBOOT_CANDIDATES}"

#  echo ""
#  echo "New Contents of REBOOT_CANDIDATES (/tmp/rebot-testing/ssh_outage/reboot_candidates:"
#  cat ${REBOOT_CANDIDATES}
#  echo ""
}