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#!/bin/bash
# get wekan/mongo settings
source $SNAP/bin/wekan-read-settings
if [ "true" == "${DISABLE_MONGODB}" ]; then
echo "mongodb is disabled. Stop service"
snapctl stop --disable ${SNAP_NAME}.mongodb
exit 0
fi
# make sure we have set minimum env variables for locale
if [ -z "$LANG" ]; then
export LANG=en_US.UTF-8
fi
export LC_ALL=C
# When starting MongoDB, if logfile exist, delete it, because now uses syslog instead of logfile,
# because syslog usually already has log rotation.
# https://github.com/wekan/wekan-snap/issues/92
if test -f "$SNAP_COMMON/mongodb.log"; then
rm -f "$SNAP_COMMON/mongodb.log"
fi
# Alternative: When starting MongoDB, and using logfile, truncate log to last 1000 lines of text.
# 1) If file exists:
#if test -f "$SNAP_COMMON/mongodb.log"; then
# # 2) Copy last 1000 lines to variable loglast1000lines.
# loglast1000lines=$(tail -1000 "$SNAP_COMMON/mongodb.log")
# # 3) Copy variable to replace original MongoDB log.
# echo "$loglast1000lines" > "$SNAP_COMMON/mongodb.log"
# # 4) Set variable to be empty.
# loglast1000lines=""
#fi
if [ -z "$MONGO_URL" ]; then
# start mongo deamon
BIND_OPTIONS=""
if [ "nill" != "$MONGODB_BIND_UNIX_SOCKET" ] && [ "x" != "x${MONGODB_BIND_UNIX_SOCKET}" ]; then
BIND_OPTIONS+=" --unixSocketPrefix $MONGODB_BIND_UNIX_SOCKET"
fi
if [ "x" != "x${MONGODB_BIND_IP}" ]; then
BIND_OPTIONS+=" --bind_ip $MONGODB_BIND_IP"
fi
if [ "x" != "x${MONGODB_PORT}" ]; then
BIND_OPTIONS+=" --port $MONGODB_PORT"
fi
echo "mongodb bind options: $BIND_OPTIONS"
## OLD: Logging to file.
#mongod --dbpath $SNAP_COMMON --logpath $SNAP_COMMON/mongodb.log --logappend --journal $BIND_OPTIONS --smallfiles
## NEW: Logging to syslog, that usually has already log rotation.
mongod --dbpath $SNAP_COMMON --syslog --journal $BIND_OPTIONS --smallfiles
else
## OLD: Logging to file.
#mongod --dbpath $SNAP_COMMON --logpath $SNAP_COMMON/mongodb.log --logappend --journal $MONGO_URL --smallfiles
## NEW: Logging to syslog, that usually has already log rotation.
mongod --dbpath $SNAP_COMMON --syslog --journal $MONGO_URL --smallfiles
fi
# Drop indexes on database upgrade, when starting MongoDB
#mongo wekan --eval "db.getCollectionNames().forEach(function(col_name) { var coll = db.getCollection(col_name); coll.dropIndexes(); });" $BIND_OPTIONS
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