The thing is that with the rsyslog templates, you can do a lot of formatting and
manipulation of the data before you send it to the module. so you should
configure rsyslog to send your module whatever it can handle the best.
If you have typical needs (take this entire line and send it there) you can get
by with a very simple output module. If you have very complex needs, you may
need to use JSON to structure things so that it's always clear what's what.
the author of the output module needs to document what that module requires as
it's input.
overall this looks pretty good.
David Lang
On Wed, 29 Jan 2014, Nathan Brown wrote:
I would avoid having multiple communication options and use only line
delimited JSON to talk between the plugin and rsyslog.
On Wed, Jan 29, 2014 at 3:21 AM, Rainer Gerhards
<[email protected]>wrote:
Hi all,
I've written a short presentation on writing rsyslog output plugins. It is
targeted towards people who would like to know at least a bit about how
this works. I also plan to do an ultra-fasttrack document for those that
just want to get it going somehow and don't about how it works. They are
*not* the focus of the current presentation:
http://www.slideshare.net/rainergerhards1/external-plugins
I will include this information in the Fedora DevConf Talk next week, and
would really like your feedback. Where can we improve it, how to make even
more clear that it's simple. Note that I say "v8" only because it already
covers a bit of what we will have in a month or so (the stdout feedback).
When I give the presentation, I'll tell that omprog in older versions works
mostly the same.
Thanks,
Rainer
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