[frontend] Add a method to wrap ec2 upload_parameters

src/api/app/models/cloud/ec2/configuration.rb

@@ -30,6 +30,10 @@ class Configuration < ApplicationRecord
       def self.table_name_prefix
         'cloud_ec2_'
       end
+
+      def upload_parameters
+        attributes.except('id', 'created_at', 'updated_at')
+      end
     end
   end
 end

src/api/spec/models/cloud/ec2/configuration_spec.rb

@@ -8,4 +8,15 @@
     it { is_expected.to allow_value('arn:123:456/tom').for(:arn) }
     it { is_expected.not_to allow_value('123:456/tom').for(:arn) }
   end
+
+  describe 'upload_parameters' do
+    let(:ec2_config) { create(:ec2_configuration) }
+
+    subject { ec2_config.upload_parameters }
+
+    it { expect(subject.keys.count).to be 3 }
+    it { expect(subject['arn']).to eq ec2_config.arn }
+    it { expect(subject['user_id']).to eq ec2_config.user_id }
+    it { expect(subject['external_id']).to eq ec2_config.external_id }
+  end
 end