feat: Add attributes fragment to a host

addons/api/addon/generated/models/host.js

@@ -35,8 +35,4 @@ export default class GeneratedHostModel extends BaseModel {
   })
   version;
 
-  @attr('string', {
-    description: 'The address (DNS or IP name) used to reach the host'
-  }) address;
-
 }

addons/api/addon/models/fragment-host-attributes.js

@@ -0,0 +1,9 @@
+import Fragment from 'ember-data-model-fragments/fragment';
+import { attr } from '@ember-data/model';
+
+export default class FragmentHostAttributesModel extends Fragment {
+
+  @attr('string', {
+    description: 'The address (DNS or IP name) used to reach the host'
+  }) address;
+}

addons/api/addon/models/host.js

@@ -1,3 +1,12 @@
 import GeneratedHostModel from '../generated/models/host';
+import { fragment } from 'ember-data-model-fragments/attributes';
 
-export default class HostModel extends GeneratedHostModel {}
+export default class HostModel extends GeneratedHostModel {
+
+  /**
+   * Attributes of this resource, if any, represented as a JSON fragment.
+   * @type {FragmentHostAttributesModel}
+   */
+  @fragment('fragment-host-attributes', { defaultValue: {} }) attributes;
+
+}

addons/api/app/models/fragment-host-attributes.js

@@ -0,0 +1 @@
+export { default } from 'api/models/fragment-host-attributes';

addons/api/tests/unit/models/host-test.js

@@ -10,4 +10,15 @@ module('Unit | Model | host', function(hooks) {
     let model = store.createRecord('host', {});
     assert.ok(model);
   });
+
+  test('it contains attributes', function(assert) {
+    let store = this.owner.lookup('service:store');
+    let model = store.createRecord('host', {
+      type: 'static',
+      attributes: {
+        address: '127.0.0.1'
+      }
+    });
+    assert.equal(model.attributes.address, '127.0.0.1');
+  });
 });