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Try migrate mongo 3 to mongo 5.

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Lauri Ojansivu 2022-06-16 03:11:56 +03:00
parent 709b17805b
commit c8bb3c7353
1 changed files with 40 additions and 0 deletions
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40
snap-src/bin/mongodb-control
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@ -17,6 +17,46 @@ fi
export LC_ALL=C
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/snap/${SNAP_NAME}/current/lib/x86_64-linux-gnu
if test -f "$SNAP_COMMON/01-migrate-mongo3-to-mongo5.txt"; then
touch "$SNAP_COMMON/01-migrate-mongo3-to-mongo5.txt"
# Stop MongoDB
touch "$SNAP_COMMON/02-disable-mongo.txt"
snapctl stop --disable ${SNAP_NAME}.mongodb
touch "$SNAP_COMMON/03-eval-stop-mongo.txt"
mongo wekan --eval "db.getSiblingDB('admin').shutdownServer()" $BIND_OPTIONS
# Start MongoDB 4.4
touch "$SNAP_COMMON/04-start-mongo44.txt"
$SNAP/mongo44bin/mongod --dbpath $SNAP_COMMON --logpath $SNAP_COMMON/02_mongodb_log_while_migrate.txt --logappend --journal $MONGO_URL --quiet
# Wait MongoDB 4.4 to start
touch "$SNAP_COMMON/05-wait-2s-mongo44-start.txt"
sleep 2s
# Dump Old MongoDB 3.x database
touch "$SNAP_COMMON/06-dump-database.txt"
(cd $SNAP_COMMON && mongodump --port ${MONGODB_PORT})
# Stop MongoDB 4.4
touch "$SNAP_COMMON/07-stop-mongo44.txt"
$SNAP/mongo44bin/mongo wekan --eval "db.getSiblingDB('admin').shutdownServer()" $BIND_OPTIONS
# Wait MongoDB 4.4 to stop
touch "$SNAP_COMMON/08-wait-2s-mongo44-stop.txt"
sleep 2s
# Start MongoDB 5
touch "$SNAP_COMMON/09-start-mongo5.txt"
mongod --dbpath $SNAP_COMMON --logpath $SNAP_COMMON/10_mongodb_log_while_migrate.txt --logappend --journal $MONGO_URL --quiet
# Restore database
touch "$SNAP_COMMON/11-mongorestore-to-mongo5.txt"
(cd $SNAP_COMMON && mongorestore --port ${MONGODB_PORT})
# Wait 5s
touch "$SNAP_COMMON/12-wait-5s-after-restore.txt"
sleep 5s
# Shutdown mongodb
touch "$SNAP_COMMON/13-shutdown-mongodb.txt"
mongo wekan --eval "db.getSiblingDB('admin').shutdownServer()" $BIND_OPTIONS
touch "$SNAP_COMMON/14-wait-5s-after-mongo5-shutdown.txt"
sleep 5s
# Enable MongoDB 5
touch "$SNAP_COMMON/15-enable-mongo-5.txt"
snapctl start --enable ${SNAP_NAME}.mongodb
fi
# 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