middleware not getting injected? about autoscaler HOT 3 CLOSED

Thanks for the tip on Discourse.

There is more than one kind of middleware. The rake task will list Rack Middleware. Autoscaler installs Sidekiq Middleware To make it worse, Sidekiq has Client and Server middleware (often you only need one or the other, sometimes you need both).

The asymmetry between client and server may the be reason that you scale-up (client middleware) but not scale down (server middleware)

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I added the recommended configuration (editing redis url) to https://github.com/JustinLove/autoscaler_sample/tree/discourse and it seems to be working. http://autoscaler-sample.herokuapp.com/

At the moment I'm out of time to experiment with Discourse proper.

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Works for me

2013-06-04T18:11:30.853009+00:00 app[sidekiq.1]: 2013-06-04T18:11:30Z 2 TID-ow1gs4av4 Jobs::VersionCheck JID-8885329966ccea22a2c28c3d INFO: start
2013-06-04T18:11:31.106759+00:00 app[sidekiq.1]: 2013-06-04T18:11:31Z 2 TID-ow1gs4av4 Jobs::VersionCheck JID-8885329966ccea22a2c28c3d INFO: done: 0.253 sec
2013-06-04T18:12:31.197073+00:00 app[sidekiq.1]: "Scaling sidekiq to 0"
2013-06-04T18:12:31.285241+00:00 heroku[api]: Scale to sidekiq=0, web=1 by ...

I pushed my fork if you want to compare https://github.com/JustinLove/discourse/tree/autoscaler-test

Config variables set:

DATABASE_URL
HEROKU_API_KEY
HEROKU_APP
HEROKU_POSTGRESQL_BLACK_URL
OPENREDIS_URL
REDIS_PROVIDER_URL
SECRET_TOKEN

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