Adding the ability to set a redis password.

README.md

@@ -45,6 +45,13 @@ If you need a non-default resque server, use this environment variable.
 ```
 RAILS_RESQUE_REDIS=123.x.0.456:6712
 ```
+
+If you need to set a password for your redis server, use this env variable.
+
+```
+RAILS_RESQUE_REDIS_PASSWORD=verys3cureP@ss
+```
+
 ## Security
 
 You almost certainly want to limit access when using resque-web in production. Using [routes constraints](http://guides.rubyonrails.org/routing.html#request-based-constraints) is one way to achieve this:

config/initializers/resque_config.rb

@@ -1,2 +1,11 @@
 config = ENV.fetch("RAILS_RESQUE_REDIS", "127.0.0.1:6379")
 Resque.redis = config
+
+# Have to do this to accept password because resque does not support
+# setting it in the string.
+password = ENV.fetch("RAILS_RESQUE_REDIS_PASSWORD", nil)
+unless password.nil?
+  opts = Resque.redis.client.options
+  redis = Redis.new(opts.merge(:password => password))
+  Resque.redis = redis
+end