Distributing plugins

[francois basquin]

Hi list,

I often write new plugins, and I face a distribution problem: how to 
distribute them without having to scp and editing nrpe.cfg on each server?

Few headscratchings later, I came with a couple of solutions:
- using automatic copies from a repository to the clients (rsync or 
equivalent)
Pros: simple. Cons: implies an extra protocol, which may not be desirable

- using NFS: clients mount the plugins directory from the repository
Pros: simpler. Cons: implies NFS, which may not be desirable

- modifying nrpe to distribute the plugins on demand. The Nagios server 
could hold the plugins repository, and send the ones missing to the client. 
A timestamp checking should also be needed to distribute new versions.
Pros: no extra protocol. Cons: needs some development, may introduce a lag 
on the first service call.

Going further, nrpe could also maintain the nrpe.cfg file. Why keeping the 
"command[..]" statements locally? They could be sent via nrpe itself.

And a couple of beers ahead, the repository might even be a database.

I know this changes the philosophy behind nrpe quite a bit, but it may worth 
to think about.
Comments needed please.

Francois

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