redis: allow full configurability

config/app.yml

@@ -13,8 +13,9 @@ storage_directory: storage
 legacy_purge_days: 2
 
 # Sidekiq configuration settings - which redis to use and namespace
-redis_url: <%= ENV.fetch('REDIS_URL', 'redis://localhost:6379/4') %>
-redis_namespace: colore
+redis:
+  :url: <%= ENV.fetch('REDIS_URL', 'redis://localhost:6379/4') %>
+  :namespace: colore
 
 # Conversion processes log
 conversion_log: log/converter.log

config/initializers/sidekiq.rb

@@ -3,9 +3,9 @@
 require 'config'
 
 Sidekiq.configure_server do |config|
-  config.redis = { url: Colore::C_.redis_url, namespace: Colore::C_.redis_namespace }
+  config.redis = Colore::C_.redis
 end
 
 Sidekiq.configure_client do |config|
-  config.redis = { url: Colore::C_.redis_url, namespace: Colore::C_.redis_namespace }
+  config.redis = Colore::C_.redis
 end

lib/config.rb

@@ -21,10 +21,8 @@ class C_
     attr_accessor :legacy_url_base
     # Number of days to keep legacy files before purging
     attr_accessor :legacy_purge_days
-    # Redis connection URL (used by sidekiq)
-    attr_accessor :redis_url
-    # Redis namespace (used by sidekiq)
-    attr_accessor :redis_namespace
+    # Redis configuration (used by sidekiq)
+    attr_accessor :redis
     # Path to the Heathen conversion log
     attr_accessor :conversion_log
     # Path to the Error log
@@ -56,8 +54,7 @@ def self.config
         c.storage_directory = yaml['storage_directory']
         c.legacy_url_base = yaml['legacy_url_base']
         c.legacy_purge_days = yaml['legacy_purge_days'].to_i
-        c.redis_url = yaml['redis_url']
-        c.redis_namespace = yaml['redis_namespace']
+        c.redis = yaml['redis']
         c.conversion_log = yaml['conversion_log']
         c.error_log = yaml['error_log']
 

spec/fixtures/app.yml

@@ -1,3 +1,4 @@
 storage_directory: foo
-redis_url: bar
-redis_namespace: <%= ENV.fetch('TEST_REDIS_NAMESPACE', 'foobar') %>
+redis:
+  :url: bar
+  :namespace: <%= ENV.fetch('TEST_REDIS_NAMESPACE', 'foobar') %>

spec/lib/config_spec.rb

@@ -19,7 +19,7 @@
 
     it 'reads from environment variables' do
       expect(ENV).to receive(:fetch).with('TEST_REDIS_NAMESPACE', 'foobar').and_return('custom')
-      expect(described_class.config.redis_namespace).to eq 'custom'
+      expect(described_class.config.redis[:namespace]).to eq 'custom'
     end
   end