configuration problem, i think

[Bill Walton]

I'm trying to get juggernaut2 working with a Rails3 app and think I've
got a configuration problem. When I start the app, after starting
regis-server and juggernaut (using juggernaut -g juggernaut.yml) I get
a 3-series popup dialog saying "Juggernaut: There has been an error
connecting on 127.0.0.1:5001", then another saying it's trying to
reconnect. I'm thinking I've done something wrong in configuring
Juggernaut because when I ran "juggernaut -c juggernaut.yml" it
started juggernaut rather than running a task to completion. Also,
there's no juggernaut.yml in the config directory, though there is a
juggernaut-hosts.yml file there. The juggernaut.yml is still under
vendor. Any help is much appreciated. I'd really like to get on with
using juggernaut.

Best regards,
Bill

[Alex MacCaw]

That's not Juggernaut 2 you're trying to get working - it's an ancient version (or an ancient tutorial). Follow:

http://github.com/maccman/juggernaut

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[Bill Walton]

Hi Alex,

Thanks for your reply. Question is, do I need the plugin to integrate
with a Rails 3 app? I've got the stand-alone index.html page working
with a ruby script, but need to take the next step. I tried setting
the port entry in juggernaut-hosts.yml to 8080 and had the same
disconnect behavior.

Thanks,
Bill

[Nicolas Cavigliano]

If you clone the original juggernaut repo, look under juggernaut / client / lib / juggernaut.rb and Alex has some good examples in the README with how to use juggernaut and rails. Alex is right, the plugin you're looking at is the older version and has nothing to do with the newer node.js version.

Nic

[Bill Walton]

Hi Nic,

I'm afraid I can't figure out which repo you're talking about. When
you say 'clone' I think Git, but I only see one juggernaut repo under
Alex. The repo at rubyforge (http://juggernaut.rubyforge.org/) has a
link to the juggernaut_plugin on Git, but that's all I see. The
instructions on the Rubyforge page are the ones I followed that got me
where I am today (lost ;-/) . Sorry to be so dense, but I'd really
appreciate a pointer.

Do I need to use the juggernaut plugin to incorporate juggernaut2 into
a Rails app? If so, what's the correct url to get the plugin and are
there any current instructions on its configuration?

Thanks,
Bil

[Nicolas Cavigliano]

The rubyforge link you mention is the old plugin version. Don't use that. Go to https://github.com/maccman/juggernaut and use that code. The code you get from that link is a node.js application that facilitates the connections between clients and the redis pub/sub functionality. What you need to do, to tie in to the server side of things is set up listeners in some language. Alex does a good job and incorporates a ruby client and example to "listen" to the subscribe and unsubscribe events. In theory, anything that SUBSCRIBE (a redis command) to juggernaut, juggernaut:subscribe, juggernaut:unsubscribe can act upon those events. Juggernaut by default tries to connect to a local redis server. You can change those default options. I haven't really used the ruby client yet to push messages, but check out https://github.com/maccman/juggernaut/client/lib/juggernaut.rb - it'll hopefully shed some light on what's going on. 

You could always ping me on skype at ncavig - I'll be on for an hour or so