This is a Munin public domain plugin for Redis.

It tries to extensively cover Redis INFO output, while keeping the
dependencies low (currently, only needs awk, tr, sed, redis-cli and Munin 1.4+).

It can monitor several Redis instances, remotes or locals to the server
(via network or socket connection).

To install : just copy the redis_ script to your $MUNIN_LIBDIR
(on Debian, that's /usr/share/munin/plugins/).

Then create a symbolic link like this:

  ln -s '/usr/share/munin/plugins/redis_' \
        '/etc/munin/plugins/redis_127.0.0.1_6379'

Or let "munin-node-configure --shell | bash" do it for you.

To monitor remote servers (or monitor local Redis instances listening
on non-defaults ports), create a symbolic link accordingly, ie. :
/etc/munin/plugins/redis_remoteserverip_remoteserverport

To monitor local running socket-based redis setups, create a symbolic
link like this:
/etc/munin/plugins/redis_socket_socketpath_with_underscores_filename

i.e. :

  ln -s '/usr/share/munin/plugins/redis_' \
          '/etc/munin/plugins/redis_socket_var_run_redis_redis.sock'

It's important to use the word socket as second part after redis_, to signal
the script to use a socket connection. The redis-cli command must have
access to the socket.
The script convert the naming after socket into a socket real path.

Passwords can be set in a config file ala /etc/munin/plugin-conf.d/redis:

[redis_*]
env.password secret-password

and/or

[redis_remoteserverip_remoteserverport]
env.password another-secret-password

and/or

[redis_socket_socketpath]
env.password another-secret-password