#!/bin/bash
BAREOS_SD_IP=172.16.2.23
BAREOS_SD_PORT=9103
IPMI_IP=172.16.2.18
IPMI_USER=USER
IPMI_PASS=PASSWORD
SLEEP=5
NUM_TRIES=24

function check_bareos_sd {
  nc -w1 $BAREOS_SD_IP $BAREOS_SD_PORT < /dev/null 2>/dev/null
  if [ $? -eq 0 ]; then
  # if return value is 0 then port is reachable so we can exit the function with value 0
    return 0
  else
    return 1
  fi
}

COUNT=0
while true; do
  check_bareos_sd
  if [ $? -eq 0 ]; then
    # We are online, so exit loop
    exit 0
  else
    # We are offline, so add 1 to counter, sleep for $SLEEP seconds and continue loop
    # $COUNT=0 then we can power on the machine using ireset (ipmiutil)
    if [ $COUNT -eq 0 ]; then
      ireset -u -N $IPMI_IP -U $IPMI_USER -P $IPMI_PASS >/dev/null 2>&1
    fi
    let COUNT=$COUNT+1
    sleep $SLEEP
  fi
  # check if $COUNT reaches $NUM_TRIES and when it does exit with value 1
  if [ $COUNT -eq $NUM_TRIES ]; then
    exit 1
  fi
done