Set the rialto log path from the settings file

lib/rialto/etl/logging.rb

@@ -10,10 +10,24 @@ module Logging
 
       def logger
         @logger ||= Yell.new do |logger|
-          logger.adapter :datefile, 'rialto_etl.log', level: 'lte.warn' # anything lower or equal to :warn
-          logger.adapter :datefile, 'rialto_etl_error.log', level: 'gte.error' # anything greater or equal to :error
+          logger.adapter :datefile, info_log, level: 'lte.warn' # anything lower or equal to :warn
+          logger.adapter :datefile, error_log, level: 'gte.error' # anything greater or equal to :error
         end
       end
+
+      private
+
+      def log_path
+        Settings.log_path || './log/'
+      end
+
+      def info_log
+        File.join(log_path, 'rialto_etl.log')
+      end
+
+      def error_log
+        File.join(log_path, 'rialto_etl_error.log')
+      end
     end
   end
 end

spec/rialto/logging_spec.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+RSpec.describe Rialto::Etl::Logging do
+  include described_class
+
+  describe 'info_log' do
+    it 'provides a default path to the info log file' do
+      expect(info_log).to eq('./log/rialto_etl.log')
+    end
+  end
+
+  describe 'error_log' do
+    it 'provides a default path to the info log file' do
+      expect(error_log).to eq('./log/rialto_etl_error.log')
+    end
+  end
+end