#!/usr/bin/env bash
# $Id$


# a wrapper script, to run puppetd after a random time
# this will be called by cron at the same time on each client,
# but should not call the master at the same time as the others.
export FACTERLIB="/var/lib/puppet/facts"
PATH=/opt/local/bin:/opt/local/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PUPPET=$(which puppetd) 
ISUNIIP=$(ifconfig |grep -c -e "131\.173\.3[2345]")

if [ ${ISUNIIP} -gt 0 ]; then
  if [ -e ${PUPPET} ]; then
    #mac os X laptop check
    if [ -e /usr/bin/pmset ]; then
      if [ $(/usr/bin/pmset -g batt | grep -c "Battery Power") -eq 1 ]; then
	#we are running on battery and do not want to do anything
	exit 0
      fi
    fi
    #Linux laptop check
    if [ -e /proc/acpi/ac_adapter/AC/state ]; then
      if [ $(grep -c "on-line" /proc/acpi/ac_adapter/AC/state) -eq 0 ]; then
	#we are running on battery and do not want to do anything
	exit 0
      fi
    fi

    MAXSLEEP=3200	  #How many seconds to wait maximally
    SLEEP=${RANDOM}
    I=${RANDOM}

    # $RANDOM must be called several times, to ensure it really
    # is something like random
    for x in 1 2 3 4 5 6 7 8 9 10 11 12; do
      SLEEP=${RANDOM}
    done
    # wait maximally $MAXSLEEP seconds
    sleep $(expr ${SLEEP} % ${MAXSLEEP})
    # run puppetd
    nice -n 12 $PUPPET -t 2&>/var/log/puppet/puppetd_run.log
  fi
fi