Connect logs to a different DB if config is present

Gemfile.lock

@@ -53,7 +53,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-support.git
-  revision: bd497bc60f75374956be24437dae5cad96374f6b
+  revision: a19ad9390721c75513505fd60191633789f55a42
   specs:
     travis-support (0.0.1)
 

lib/travis/api/app.rb

@@ -164,6 +164,11 @@ module Travis::Api
 
       def self.setup_database_connections
         Travis::Database.connect
+
+        if Travis.config.logs_database
+          Log.establish_connection 'logs_database'
+          Log::Part.establish_connection 'logs_database'
+        end
       end
 
       def self.load_endpoints