Use a system user for import

This removes the need for a hard coded user with a password, using Hyrax's
system user functionality instead. This prefigures Shibboleth support in #274.

.env

@@ -3,8 +3,7 @@ DATACITE_HOST='"https://mds.datacite.org"'
 DATACITE_LOGIN=DATACITE.DCE
 DATACITE_PASSWORD=YOUR_PASSWORD_HERE
 DATACITE_PREFIX=10.24354
-IMPORTER_USER='import_user@example.com'
-IMPORTER_USER_PASS=password
+IMPORTER_USER_KEY='importuser@example.com'
 IMPORTER_FILE_PATH='spec/fixtures/'
 OKCOMPUTER_LOGIN=radiohead_dev
 OKCOMPUTER_PASSWORD=th0m_y0rke

app/importers/importer.rb

@@ -17,8 +17,7 @@ def config
   private
 
     def default_creator
-      User
-        .first_or_create!(email: config['username'], password: config['password'])
+      User.find_or_create_system_user(config['user_key'])
     end
 
     def default_record_importer

config/importer.yml

@@ -1,15 +1,12 @@
 ---
 development:
-  username:  <%= ENV['IMPORTER_USER'] %>
-  password:  <%= ENV['IMPORTER_USER_PASS'] %>
+  user_key:  <%= ENV['IMPORTER_USER_KEY'] %>
   file_path: <%= ENV['IMPORTER_FILE_PATH'] %>
 
 test:
-  username:  <%= ENV['IMPORTER_USER'] %>
-  password:  <%= ENV['IMPORTER_USER_PASS'] %>
+  user_key:  <%= ENV['IMPORTER_USER_KEY'] %>
   file_path: <%= ENV['IMPORTER_FILE_PATH'] %>
 
 production:
-  username:  <%= ENV['IMPORTER_USER'] %>
-  password:  <%= ENV['IMPORTER_USER_PASS'] %>
+  user_key:  <%= ENV['IMPORTER_USER_KEY'] %>
   file_path: <%= ENV['IMPORTER_FILE_PATH'] %>