Apache RewriteMap management - work in progress
Looks like python is best to manage berkeleydb files. Tried golang, wanted golang but no bindings for older berkleydb versions - I tried em all. :)
- download and install BerkeleyDB 4.7 (same version as used by Apache HTTPD in Amazon Linux)
- build it
tar -xvzf db-4.7.25.tar.gz
cd db-4.7.25/build_unix
../dist/configure --enable-static --enable-shared --enable-compat185
make
sudo make install
export BERKELEYDB_DIR=/usr/local/BerkeleyDB.4.7
pip3 install bsddb3
A command line utility to manage berkeley db files for use by Apache RewriteMaps.
The following subcommands are available:
$ ./bdbmgr.py
usage: bdbmgr.py <command> [<args>]
The following subcommands are available:
csv2db import from csv to bdb
db2csv export from bdb to csv
redis2db import from redis to bdb
redis2csv export from redis to csv
csv2redis import from csv to redis
db2redis import from bdb to redis
poll subscribe to redis and update bdb with changes
bdbmgr: error: the following arguments are required: subcommand
Use the poll command to subscribe to a redis DB and update the local RewriteMap db file with changes. Use supervisord to start and monitor the polling process.
- enable redis event notifications
$ grep AKE /etc/redis/redis.conf
# A Alias for g$lshzxe, so that the "AKE" string means all the events.
notify-keyspace-events "AKE"
- or enable redis key events via cli
redis-cli config set notify-keyspace-events KEA
- delete all keys in one hit
redis keys '*'|cargs redis-cli del
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