Added the cconfig gem

This way we can remove quite some code from Portus in regards to the
management of the configuration.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

Gemfile

@@ -54,6 +54,9 @@ end
 # If the deployment is done through Puma, include it in the bundle.
 gem "puma", "~> 3.7.0" if ENV["PORTUS_PUMA_DEPLOYMENT"] == "yes" || !packaging?
 
+# Configuration management
+gem "cconfig", "~> 1.1.0"
+
 # In order to create the Gemfile.lock required for packaging
 # meaning that it should contain only the production packages
 # run:

Gemfile.lock

@@ -78,6 +78,8 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    cconfig (1.1.0)
+      safe_yaml (~> 1.0.0, >= 1.0.0)
     choice (0.2.0)
     cliver (0.3.2)
     codeclimate-test-reporter (0.4.7)
@@ -395,6 +397,7 @@ DEPENDENCIES
   brakeman
   byebug
   capybara (~> 2.14.3)
+  cconfig (~> 1.1.0)
   codeclimate-test-reporter
   crono
   database_cleaner

lib/tasks/info.rake

@@ -1,10 +1,11 @@
 namespace :portus do
   desc "Get general info about the running instance"
   task info: :environment do
+    # We cannot pass it with the dependency-syntax because we need to pass it an
+    # argument.
+    Rake::Task["cconfig:info"].reenable
+    Rake::Task["cconfig:info"].invoke("portus")
+
     puts "\nPortus version: #{Version.value}"
-    default = File.join(Rails.root, "config", "config.yml")
-    local   = ENV["PORTUS_LOCAL_CONFIG_PATH"] || File.join(Rails.root, "config", "config-local.yml")
-    cfg     = Portus::Config.new(default, local)
-    puts "Portus has evaluated the following configuration:\n#{cfg}"
   end
 end