And, yes, I *know* I can use event emitter for this (or EventEmitter2,
which is cleaner), but the point is to have it.
On Sunday, June 10, 2012 11:21:43 AM UTC+3, deitch wrote:
>
> Is anything out there?
>
> Sample use case: app has several logging levels, with a default. The
> default is overridden by an env var LOG_LEVEL, read on startup. Easy.
>
> Now I want to change the LOG_LEVEL to debug (or some higher level) for,
> say, 30 minutes, and then change it back. I do *not* want to restart my app
> - which would be necessary if I just changed the env var - because I may
> lose some state that is crucial to my debugging effort.
>
> Is there anything?
>
> The way I would see it working, you have a "message bus" type object,
> which anyone can subscribe to, but it publishes from the outside using http.
>
> var mx = require('mx');
> mx.sub('messagePattern',callbackFn);
>
> Option A: use the already existing http listener, but have a special URL
> path http://myserver/specialpath?param=val¶m=val&;....
> Option B: set up a "message bus" type object, which anything can listen to
> for messages, it then listens on a different port to isolate the traffic
> from production traffic.
>
> mx.listen(somePort);
>
> From the outside, you then talk HTTP to that given port (should have a
> well-known default) to send a management message to the app:
>
> curl http://localhost:somePort/messagePattern?param=val¶m=val....
>
> (or you can PUT or POST).
>
> Would need some form of authentication, but that is easy using http auth.
>
> Thoughts here?
>
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