Backport for nodes meta data adding into statistics

Meta data added for building stat reports on nodes info.

Change-Id: I7c1b63bea2b1dc28e1ba68fdc31609d4356a5322
Closes-Bug: #1466064

nailgun/nailgun/statistics/fuel_statistics/installation_info.py

@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import copy
+
 from nailgun.db.sqlalchemy.models import NeutronConfig
 from nailgun.db.sqlalchemy.models import NovaNetworkConfig
 from nailgun.objects import ClusterCollection
@@ -194,6 +196,28 @@ class InstallationInfo(object):
                 pass
         return result_attrs
 
+    def get_node_meta(self, node):
+        meta = node.meta if node.meta is not None else {}
+        to_copy = ['cpu', 'memory', 'disks']
+        result = {}
+
+        for param in to_copy:
+            result[param] = meta.get(param)
+
+        system = copy.deepcopy(meta.get('system', {}))
+        system.pop('fqdn', None)
+        system.pop('serial', None)
+        result['system'] = system
+
+        interfaces = copy.deepcopy(meta.get('interfaces', []))
+        result['interfaces'] = []
+        for interface in interfaces:
+            data = copy.deepcopy(interface)
+            data.pop('mac')
+            result['interfaces'].append(data)
+
+        return result
+
     def get_nodes_info(self, nodes):
         nodes_info = []
         for node in nodes:
@@ -209,6 +233,7 @@ class InstallationInfo(object):
 
                 'manufacturer': node.manufacturer,
                 'platform_name': node.platform_name,
+                'meta': self.get_node_meta(node),
 
                 'pending_addition': node.pending_addition,
                 'pending_deletion': node.pending_deletion,

nailgun/nailgun/test/unit/fuel_statistics_tests/test_installation_info.py

@@ -210,9 +210,13 @@ class TestInstallationInfo(BaseTestCase):
             },
             nodes_kwargs=[
                 {'status': consts.NODE_STATUSES.discover,
-                 'roles': ['controller', 'compute']},
+                 'roles': ['controller', 'compute'],
+                 'meta': {}},
                 {'roles': [],
-                 'pending_roles': ['compute']}
+                 'pending_roles': ['compute'],
+                 'meta': {'cpu': {},
+                          'interfaces': [{'mac': 'x', 'name': 'eth0'}],
+                          'disks': [{'name': 'a', 'disk': 'a'}]}}
             ]
         )
         self.env.make_bond_via_api(
@@ -234,6 +238,12 @@ class TestInstallationInfo(BaseTestCase):
             self.assertEquals(node_info['manufacturer'], node.manufacturer)
             self.assertEquals(node_info['platform_name'], node.platform_name)
 
+            self.assertIn('meta', node_info)
+            for iface in node_info['meta']['interfaces']:
+                self.assertNotIn('mac', iface)
+            self.assertNotIn('fqdn', node_info['meta']['system'])
+            self.assertNotIn('serial', node_info['meta']['system'])
+
             self.assertEquals(node_info['pending_addition'],
                               node.pending_addition)
             self.assertEquals(node_info['pending_deletion'],