#!/bin/bash
ulimit -m 4194304 -v 4194304
set -e

if [ -f /tmp/planet-notes-dump.lock ]; then
	if [ "$(ps -p `cat /tmp/planet-notes-dump.lock` | wc -l)" -gt 1 ]; then
		# process is still running
		echo Error: Another planet-notes-dump is running
		exit 1
	else
		# process not running, but lock file not deleted?
		rm /tmp/planet-notes-dump.lock
	fi
fi

#Create Lock
echo $$ > /tmp/planet-notes-dump.lock


cur_date=`date +%y%m%d`
cur_year=`date +%Y`
cur_planet_notes=planet-notes-${cur_date}.osn
planet_dir=/store/planet/

export PATH='/usr/local/bin:/usr/bin:/bin:/usr/bin/X11'


if [ \! -d ${planet_dir}/notes/ ]
	then
		echo ${planet_dir}notes/ does not exist
		exit 1
	fi
if [ \! -d ${planet_dir}/notes/${cur_year}/ ]; then mkdir ${planet_dir}/notes/${cur_year}/; fi
cd ${planet_dir}/notes/${cur_year}/

/usr/bin/python /opt/planet-notes-dump/dump.py --quiet --database openstreetmap --host db-slave --user planetdump --password '<%= @password %>' .${cur_planet_notes}
pbzip2 -p6 -9 .${cur_planet_notes}

planet_notes_size=$(du -sb .${cur_planet_notes}.bz2 | awk '{ print $1 }')
if ((planet_notes_size<12000000)); then
	echo Planet .${cur_planet_notes}.bz2 too small
	exit 1
fi

mv .${cur_planet_notes}.bz2 ${cur_planet_notes}.bz2
md5sum ${cur_planet_notes}.bz2 > ${cur_planet_notes}.bz2.md5

#link planet latest to the new file
cd ${planet_dir}/notes/

ln -fs ${cur_year}/${cur_planet_notes}.bz2 planet-notes-latest.osn.bz2

# mangle md5 files for 'latest' ones
rm -f planet-notes-latest.osn.bz2.md5

sed -e "s/${cur_planet_notes}.bz2/planet-notes-latest.osn.bz2/" ${cur_year}/${cur_planet_notes}.bz2.md5 > planet-notes-latest.osn.bz2.md5

rm /tmp/planet-notes-dump.lock