[syslog-ng] configuring a redis syslog-ng destination

[Jacob Vorreuter]

I'd like to configure syslog-ng to send logs to redis via a unix socket.  This would require implementing the redis protocol as a template or rewrite rule.  The only trick is getting the size in bytes of the message being processed.  Is there a macro for this or some other way of determining message size?

The protocol would look like this (pretending there existed a macro, MSG_SIZE):

*3            (number of arguments)
$5            (size in bytes of argument 1)
RPUSH         (operation)
$4            (size in bytes of argument 2)
logs          (key)
$${MSG_SIZE}  (size in bytes of argument 3)
$MSG          (value)

or as a string:

*3\r\n$5\r\nRPUSH\r\n$4\r\nlogs\r\n$${MSG_SIZE}\r\n$MSG\r\n

and finally as a destination with template:

destination d_redis { unix-stream("/tmp/redis.sock") template("*3\r\n$5\r\nRPUSH\r\n$4\r\nlogs\r\n$${MSG_SIZE}\r\n$MSG\r\n"); };

Does anyone have suggestions of how to accomplish this?

Thanks,

Jake
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