OSM Mirror - Replication Lag

replag.sh

#!/bin/bash

# Script by MapOSMatic
# (Maxime Petazzoni)

STATE=${HOME}/replication_-_15mn/osmosis/last.state.txt

rep=`cat ${STATE} |\
	grep 'timestamp' |\
	awk '{split($0, a, "="); print a[2]}' |\
	tr 'T' ' ' |\
	xargs -I{} date --utc --date "{}" +%s`
is=`date --utc +%s`

lag=$(($is - $rep))

if [ "$1" = "-n" ] ; then
  echo $lag
else
  if [ $lag -gt 86400 ]; then echo $(($lag / 86400)) "day(s) and" $((($lag % 86400) / 3600)) "hour(s)";
  elif [ $lag -gt 3600 ]; then echo $(($lag / 3600)) "hour(s)";
  elif [ $lag -gt 60 ]; then echo $(($lag / 60)) "minute(s)";
  else echo $lag "second(s)";
  fi
fi