Add support for cinder pools

Partially-Implements: blueprint vol-type-extra-specs-describe
Change-Id: Ia0d9e7ccc19e51597cec17c5a962eb0f0c0f430c

openstack_dashboard/api/cinder.py

@@ -72,12 +72,6 @@ class BaseCinderAPIResourceWrapper(base.APIResourceWrapper):
         return (getattr(self._apiresource, 'description', None) or
                 getattr(self._apiresource, 'display_description', None))
 
-    def to_dict(self):
-        obj = {}
-        for key in self._attrs:
-            obj[key] = getattr(self._apiresource, key, None)
-        return obj
-
 
 class Volume(BaseCinderAPIResourceWrapper):
 
@@ -140,6 +134,14 @@ class VolumeTransfer(base.APIResourceWrapper):
     _attrs = ['id', 'name', 'created_at', 'volume_id', 'auth_key']
 
 
+class VolumePool(base.APIResourceWrapper):
+
+    _attrs = ['name', 'pool_name', 'total_capacity_gb', 'free_capacity_gb',
+              'allocated_capacity_gb', 'QoS_support', 'reserved_percentage',
+              'volume_backend_name', 'vendor_name', 'driver_version',
+              'storage_protocol', 'extra_specs']
+
+
 @memoized
 def cinderclient(request):
     api_version = VERSIONS.get_active_version()
@@ -189,6 +191,7 @@ def volume_list(request, search_opts=None):
     """To see all volumes in the cloud as an admin you can pass in a special
     search option: {'all_tenants': 1}
     """
+
     c_client = cinderclient(request)
     if c_client is None:
         return []
@@ -213,8 +216,8 @@ def volume_get(request, volume_id):
             instance = nova.server_get(request, attachment['server_id'])
             attachment['instance_name'] = instance.name
         else:
-            # Nova volume can occasionally send attachments in error state
+            # Nova volume can occasionally send back error'd attachments
-            # that lack a server_id property; to work around that we'll
+            # the lack a server_id property; to work around that we'll
             # give the attached instance a generic name.
             attachment['instance_name'] = _("Unknown instance")
 
@@ -618,3 +621,12 @@ def transfer_accept(request, transfer_id, auth_key):
 
 def transfer_delete(request, transfer_id):
     return cinderclient(request).transfers.delete(transfer_id)
+
+
+def pool_list(request, detailed=False):
+    c_client = cinderclient(request)
+    if c_client is None:
+        return []
+
+    return [VolumePool(v) for v in c_client.pools.list(
+        detailed=detailed)]

openstack_dashboard/test/api_tests/cinder_tests.py

@@ -116,6 +116,16 @@ class CinderApiTests(test.APITestCase):
         for key in expected_results.keys():
             self.assertEqual(expected_results[key], ret_val[key])
 
+    def test_pool_list(self):
+        pools = self.cinder_pools.list()
+        cinderclient = self.stub_cinderclient()
+        cinderclient.pools = self.mox.CreateMockAnything()
+        cinderclient.pools.list(detailed=True).AndReturn(pools)
+        self.mox.ReplayAll()
+
+        # No assertions are necessary. Verification is handled by mox.
+        api.cinder.pool_list(self.request, detailed=True)
+
 
 class CinderApiVersionTests(test.TestCase):
 

openstack_dashboard/test/test_data/cinder_data.py

@@ -13,6 +13,7 @@
 #    under the License.
 
 from cinderclient.v2 import availability_zones
+from cinderclient.v2 import pools
 from cinderclient.v2 import qos_specs
 from cinderclient.v2 import quotas
 from cinderclient.v2 import services
@@ -44,6 +45,7 @@ def data(TEST):
     TEST.cinder_quota_usages = utils.TestDataContainer()
     TEST.cinder_availability_zones = utils.TestDataContainer()
     TEST.cinder_volume_transfers = utils.TestDataContainer()
+    TEST.cinder_pools = utils.TestDataContainer()
 
     # Services
     service_1 = services.Service(services.ServiceManager(None), {
@@ -314,3 +316,47 @@ def data(TEST):
             'auth_key': 'blah',
             'created_at': ''})
     TEST.cinder_volume_transfers.add(transfer_1)
+
+    # Pools
+    pool1 = pools.Pool(
+        pools.PoolManager(None), {
+            "QoS_support": False,
+            "allocated_capacity_gb": 0,
+            "driver_version": "3.0.0",
+            "free_capacity_gb": 10,
+            "extra_specs": {
+                "description": "LVM Extra specs",
+                "display_name": "LVMDriver",
+                "namespace": "OS::Cinder::LVMDriver",
+                "type": "object",
+            },
+            "name": "devstack@lvmdriver-1#lvmdriver-1",
+            "pool_name": "lvmdriver-1",
+            "reserved_percentage": 0,
+            "storage_protocol": "iSCSI",
+            "total_capacity_gb": 10,
+            "vendor_name": "Open Source",
+            "volume_backend_name": "lvmdriver-1"})
+
+    pool2 = pools.Pool(
+        pools.PoolManager(None), {
+            "QoS_support": False,
+            "allocated_capacity_gb": 2,
+            "driver_version": "3.0.0",
+            "free_capacity_gb": 15,
+            "extra_specs": {
+                "description": "LVM Extra specs",
+                "display_name": "LVMDriver",
+                "namespace": "OS::Cinder::LVMDriver",
+                "type": "object",
+            },
+            "name": "devstack@lvmdriver-2#lvmdriver-2",
+            "pool_name": "lvmdriver-2",
+            "reserved_percentage": 0,
+            "storage_protocol": "iSCSI",
+            "total_capacity_gb": 10,
+            "vendor_name": "Open Source",
+            "volume_backend_name": "lvmdriver-2"})
+
+    TEST.cinder_pools.add(pool1)
+    TEST.cinder_pools.add(pool2)