Created
January 24, 2012 11:07
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OSM Mirror - Update
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#!/bin/sh | |
# Script by MapOSMatic | |
# (Maxime Petazzoni) | |
LOG_FILE="/home/osm/replication_-_15mn/planet-update.log" | |
PID_FILE="/home/osm/replication_-_15mn/planet-update.pid" | |
OSM2PGSQL="/usr/bin/osm2pgsql" | |
OSM2PGSQL_STYLE="/usr/share/osm2pgsql/default.style" | |
OSMOSIS="/home/osm/replication_-_15mn/osmosis/osmosis-0.39/bin/osmosis" | |
OSMOSIS_WD="${HOME}/replication_-_15mn/osmosis" | |
OSMOSIS_STATE="${OSMOSIS_WD}/state.txt" | |
OSMOSIS_CONFIG="${OSMOSIS_WD}/configuration.txt" | |
CURRENT_OSC="${OSMOSIS_WD}/changes.$$.osc.gz" | |
log() | |
{ | |
echo "`date +"%Y-%m-%d %H:%M:%S"` - planet-update@$$ - $1" >> ${LOG_FILE} | |
} | |
error() | |
{ | |
log "ERROR: $1" | |
log "Resetting state..." | |
rm -f ${PID_FILE} ${CURRENT_OSC} | |
cp -f ${OSMOSIS_WD}/last.state.txt ${OSMOSIS_STATE} | |
echo "ERROR: $1" | |
tail "${LOG_FILE}" | |
} | |
if [ -s "${PID_FILE}" ] ; then | |
# If the update process is running, check for how long it has been running | |
# and kill it if it has been more than one hour. | |
NOW=`date +%s` | |
START=`stat -c %Y "${PID_FILE}"` | |
DELTA=`expr $NOW - $START` | |
if [ $DELTA -lt 3600 ] ; then | |
# Exit silently | |
exit 0 | |
fi | |
# Kill the osmosis and osm2pgsql process | |
log "Killing stalled osmosis and osm2pgsql processes before starting over..." | |
cp -f ${OSMOSIS_WD}/last.state.txt ${OSMOSIS_WD}/last.state.txt.$$ | |
ps aux | grep "${OSMOSIS}" | grep -v grep | awk '{print $2}' | xargs kill -9 2>&1 > /dev/null | |
ps aux | grep "${OSM2PGSQL}" | grep -v grep | awk '{print $2}' | xargs kill -9 2>&1 > /dev/null | |
fi | |
if [ -e "${STOP_FILE}" ] ; then | |
echo "stop requested." | |
exit 1 | |
fi | |
echo $$ > "${PID_FILE}" | |
log "log restarted." | |
if [ ! -s ${OSMOSIS_STATE} ] ; then | |
error "No state file! Can't continue!" | |
exit 2 | |
fi | |
interval=`cat ${OSMOSIS_CONFIG} | \ | |
grep -e '^maxInterval' | awk '{print $3}'` | |
rep=`cat ${OSMOSIS_STATE} |\ | |
grep 'timestamp' |\ | |
awk '{split($0, a, "="); print a[2]}' |\ | |
tr 'T' ' ' |\ | |
xargs -I{} date --utc --date "{}" +"%Y-%m-%d %H:%M:%S"` | |
log "Retreiving ${interval}s worth of updates starting at ${rep} UTC..." | |
cp -f ${OSMOSIS_STATE} ${OSMOSIS_WD}/last.state.txt | |
if ! ${OSMOSIS} --read-replication-interval workingDirectory=${OSMOSIS_WD} --simplify-change --write-xml-change ${CURRENT_OSC} 1>&2 2>> "${LOG_FILE}" ; then | |
error "Osmosis error. Aborting update!" | |
exit 2 | |
fi | |
nodes=`zgrep '<node' ${CURRENT_OSC} | wc -l` | |
ways=`zgrep '<way' ${CURRENT_OSC} | wc -l` | |
rels=`zgrep '<rel' ${CURRENT_OSC} | wc -l` | |
log "Expecting Node("$((${nodes}/1000))"k) Way("$((${ways}/1000))"k) Relation("$((${rels}/1000))"k)" | |
log "Importing diff..." | |
if ! ${OSM2PGSQL} -a -s -S ${OSM2PGSQL_STYLE} -d osmdb2 -H localhost -U osm ${CURRENT_OSC} 1>&2 2>> "${LOG_FILE}" ; then | |
error "Osm2pgsql error. Update failed!" | |
exit 3 | |
fi | |
rep=`cat ${OSMOSIS_STATE} |\ | |
grep 'timestamp' |\ | |
awk '{split($0, a, "="); print a[2]}' |\ | |
tr 'T' ' ' |\ | |
xargs -I{} date --utc --date "{}" +"%Y-%m-%d %H:%M:%S"` | |
log "Update complete, now at ${rep} UTC (replication lag is `${HOME}/bin/replag.sh`)." | |
rm -f ${PID_FILE} ${CURRENT_OSC} | |
exit 0 |
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