diff --git a/nova/scheduler/filters/core_filter.py b/nova/scheduler/filters/core_filter.py
index c323dee3caa3..0fe2aaf787ee 100644
--- a/nova/scheduler/filters/core_filter.py
+++ b/nova/scheduler/filters/core_filter.py
@@ -26,24 +26,19 @@ LOG = logging.getLogger(__name__)
 
 class BaseCoreFilter(filters.BaseHostFilter):
 
-    def _get_cpu_allocation_ratio(self, host_state, filter_properties):
+    def _get_cpu_allocation_ratio(self, host_state, spec_obj):
         raise NotImplementedError
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Return True if host has sufficient CPU cores."""
-        instance_type = filter_properties.get('instance_type')
-        if not instance_type:
-            return True
-
         if not host_state.vcpus_total:
             # Fail safe
             LOG.warning(_LW("VCPUs not set; assuming CPU collection broken"))
             return True
 
-        instance_vcpus = instance_type['vcpus']
+        instance_vcpus = spec_obj.vcpus
         cpu_allocation_ratio = self._get_cpu_allocation_ratio(host_state,
-                                                          filter_properties)
+                                                              spec_obj)
         vcpus_total = host_state.vcpus_total * cpu_allocation_ratio
 
         # Only provide a VCPU limit to compute if the virt driver is reporting
@@ -77,7 +72,7 @@ class BaseCoreFilter(filters.BaseHostFilter):
 class CoreFilter(BaseCoreFilter):
     """CoreFilter filters based on CPU core utilization."""
 
-    def _get_cpu_allocation_ratio(self, host_state, filter_properties):
+    def _get_cpu_allocation_ratio(self, host_state, spec_obj):
         return host_state.cpu_allocation_ratio
 
 
@@ -87,7 +82,7 @@ class AggregateCoreFilter(BaseCoreFilter):
     Fall back to global cpu_allocation_ratio if no per-aggregate setting found.
     """
 
-    def _get_cpu_allocation_ratio(self, host_state, filter_properties):
+    def _get_cpu_allocation_ratio(self, host_state, spec_obj):
         aggregate_vals = utils.aggregate_values_from_key(
             host_state,
             'cpu_allocation_ratio')
diff --git a/nova/scheduler/filters/disk_filter.py b/nova/scheduler/filters/disk_filter.py
index e55ba00319d6..dd2a255545ae 100644
--- a/nova/scheduler/filters/disk_filter.py
+++ b/nova/scheduler/filters/disk_filter.py
@@ -28,22 +28,20 @@ CONF = nova.conf.CONF
 class DiskFilter(filters.BaseHostFilter):
     """Disk Filter with over subscription flag."""
 
-    def _get_disk_allocation_ratio(self, host_state, filter_properties):
+    def _get_disk_allocation_ratio(self, host_state, spec_obj):
         return CONF.disk_allocation_ratio
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Filter based on disk usage."""
-        instance_type = filter_properties.get('instance_type')
-        requested_disk = (1024 * (instance_type['root_gb'] +
-                                 instance_type['ephemeral_gb']) +
-                         instance_type['swap'])
+        requested_disk = (1024 * (spec_obj.root_gb +
+                                  spec_obj.ephemeral_gb) +
+                          spec_obj.swap)
 
         free_disk_mb = host_state.free_disk_mb
         total_usable_disk_mb = host_state.total_usable_disk_gb * 1024
 
         disk_allocation_ratio = self._get_disk_allocation_ratio(
-            host_state, filter_properties)
+            host_state, spec_obj)
 
         disk_mb_limit = total_usable_disk_mb * disk_allocation_ratio
         used_disk_mb = total_usable_disk_mb - free_disk_mb
@@ -69,7 +67,7 @@ class AggregateDiskFilter(DiskFilter):
     found.
     """
 
-    def _get_disk_allocation_ratio(self, host_state, filter_properties):
+    def _get_disk_allocation_ratio(self, host_state, spec_obj):
         aggregate_vals = utils.aggregate_values_from_key(
             host_state,
             'disk_allocation_ratio')
diff --git a/nova/scheduler/filters/exact_core_filter.py b/nova/scheduler/filters/exact_core_filter.py
index 43150509e6e2..fac78df99a4a 100644
--- a/nova/scheduler/filters/exact_core_filter.py
+++ b/nova/scheduler/filters/exact_core_filter.py
@@ -25,19 +25,14 @@ LOG = logging.getLogger(__name__)
 class ExactCoreFilter(filters.BaseHostFilter):
     """Exact Core Filter."""
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Return True if host has the exact number of CPU cores."""
-        instance_type = filter_properties.get('instance_type')
-        if not instance_type:
-            return True
-
         if not host_state.vcpus_total:
             # Fail safe
             LOG.warning(_LW("VCPUs not set; assuming CPU collection broken"))
             return False
 
-        required_vcpus = instance_type['vcpus']
+        required_vcpus = spec_obj.vcpus
         usable_vcpus = host_state.vcpus_total - host_state.vcpus_used
 
         if required_vcpus != usable_vcpus:
diff --git a/nova/scheduler/filters/exact_disk_filter.py b/nova/scheduler/filters/exact_disk_filter.py
index 3b5e56279450..dfa15b148dc5 100644
--- a/nova/scheduler/filters/exact_disk_filter.py
+++ b/nova/scheduler/filters/exact_disk_filter.py
@@ -23,13 +23,11 @@ LOG = logging.getLogger(__name__)
 class ExactDiskFilter(filters.BaseHostFilter):
     """Exact Disk Filter."""
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Return True if host has the exact amount of disk available."""
-        instance_type = filter_properties.get('instance_type')
-        requested_disk = (1024 * (instance_type['root_gb'] +
-                                  instance_type['ephemeral_gb']) +
-                          instance_type['swap'])
+        requested_disk = (1024 * (spec_obj.root_gb +
+                                  spec_obj.ephemeral_gb) +
+                          spec_obj.swap)
 
         if requested_disk != host_state.free_disk_mb:
             LOG.debug("%(host_state)s does not have exactly "
diff --git a/nova/scheduler/filters/exact_ram_filter.py b/nova/scheduler/filters/exact_ram_filter.py
index 3d7baf4794e7..86d688e6643f 100644
--- a/nova/scheduler/filters/exact_ram_filter.py
+++ b/nova/scheduler/filters/exact_ram_filter.py
@@ -23,11 +23,9 @@ LOG = logging.getLogger(__name__)
 class ExactRamFilter(filters.BaseHostFilter):
     """Exact RAM Filter."""
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Return True if host has the exact amount of RAM available."""
-        instance_type = filter_properties.get('instance_type')
-        requested_ram = instance_type['memory_mb']
+        requested_ram = spec_obj.memory_mb
         if requested_ram != host_state.free_ram_mb:
             LOG.debug("%(host_state)s does not have exactly "
                       "%(requested_ram)s MB usable RAM, it has "
diff --git a/nova/scheduler/filters/io_ops_filter.py b/nova/scheduler/filters/io_ops_filter.py
index 00e832e4a356..9cdc3b0c1b0a 100644
--- a/nova/scheduler/filters/io_ops_filter.py
+++ b/nova/scheduler/filters/io_ops_filter.py
@@ -28,17 +28,16 @@ CONF = nova.conf.CONF
 class IoOpsFilter(filters.BaseHostFilter):
     """Filter out hosts with too many concurrent I/O operations."""
 
-    def _get_max_io_ops_per_host(self, host_state, filter_properties):
+    def _get_max_io_ops_per_host(self, host_state, spec_obj):
         return CONF.max_io_ops_per_host
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         """Use information about current vm and task states collected from
         compute node statistics to decide whether to filter.
         """
         num_io_ops = host_state.num_io_ops
         max_io_ops = self._get_max_io_ops_per_host(
-            host_state, filter_properties)
+            host_state, spec_obj)
         passes = num_io_ops < max_io_ops
         if not passes:
             LOG.debug("%(host_state)s fails I/O ops check: Max IOs per host "
@@ -54,7 +53,7 @@ class AggregateIoOpsFilter(IoOpsFilter):
     Fall back to global max_io_ops_per_host if no per-aggregate setting found.
     """
 
-    def _get_max_io_ops_per_host(self, host_state, filter_properties):
+    def _get_max_io_ops_per_host(self, host_state, spec_obj):
         aggregate_vals = utils.aggregate_values_from_key(
             host_state,
             'max_io_ops_per_host')
diff --git a/nova/scheduler/filters/metrics_filter.py b/nova/scheduler/filters/metrics_filter.py
index 7eb8e3ec672d..94104bedd9d5 100644
--- a/nova/scheduler/filters/metrics_filter.py
+++ b/nova/scheduler/filters/metrics_filter.py
@@ -43,8 +43,7 @@ class MetricsFilter(filters.BaseHostFilter):
                                    name="metrics.weight_setting")
         self.keys = set([x[0] for x in opts])
 
-    @filters.compat_legacy_props
-    def host_passes(self, host_state, filter_properties):
+    def host_passes(self, host_state, spec_obj):
         metrics_on_host = set(m.name for m in host_state.metrics)
         if not self.keys.issubset(metrics_on_host):
             unavail = metrics_on_host - self.keys
diff --git a/nova/tests/unit/scheduler/filters/test_core_filters.py b/nova/tests/unit/scheduler/filters/test_core_filters.py
index 382a9e74de5a..44dff605f859 100644
--- a/nova/tests/unit/scheduler/filters/test_core_filters.py
+++ b/nova/tests/unit/scheduler/filters/test_core_filters.py
@@ -12,6 +12,7 @@
 
 import mock
 
+from nova import objects
 from nova.scheduler.filters import core_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -21,73 +22,73 @@ class TestCoreFilter(test.NoDBTestCase):
 
     def test_core_filter_passes(self):
         self.filt_cls = core_filter.CoreFilter()
-        filter_properties = {'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 4, 'vcpus_used': 7,
                  'cpu_allocation_ratio': 2})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_core_filter_fails_safe(self):
         self.filt_cls = core_filter.CoreFilter()
-        filter_properties = {'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1', {})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_core_filter_fails(self):
         self.filt_cls = core_filter.CoreFilter()
-        filter_properties = {'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 4, 'vcpus_used': 8,
                  'cpu_allocation_ratio': 2})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     def test_core_filter_single_instance_overcommit_fails(self):
         self.filt_cls = core_filter.CoreFilter()
-        filter_properties = {'instance_type': {'vcpus': 2}}
+        spec_obj = objects.RequestSpec(flavor=objects.Flavor(vcpus=2))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 1, 'vcpus_used': 0,
                  'cpu_allocation_ratio': 2})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_core_filter_value_error(self, agg_mock):
         self.filt_cls = core_filter.AggregateCoreFilter()
-        filter_properties = {'context': mock.sentinel.ctx,
-                             'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(
+            context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 4, 'vcpus_used': 7,
                  'cpu_allocation_ratio': 2})
         agg_mock.return_value = set(['XXX'])
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'cpu_allocation_ratio')
         self.assertEqual(4 * 2, host.limits['vcpu'])
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_core_filter_default_value(self, agg_mock):
         self.filt_cls = core_filter.AggregateCoreFilter()
-        filter_properties = {'context': mock.sentinel.ctx,
-                             'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(
+            context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 4, 'vcpus_used': 8,
                  'cpu_allocation_ratio': 2})
         agg_mock.return_value = set([])
         # False: fallback to default flag w/o aggregates
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'cpu_allocation_ratio')
         # True: use ratio from aggregates
         agg_mock.return_value = set(['3'])
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
         self.assertEqual(4 * 3, host.limits['vcpu'])
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_core_filter_conflict_values(self, agg_mock):
         self.filt_cls = core_filter.AggregateCoreFilter()
-        filter_properties = {'context': mock.sentinel.ctx,
-                             'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(
+            context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
         host = fakes.FakeHostState('host1', 'node1',
                 {'vcpus_total': 4, 'vcpus_used': 8,
                  'cpu_allocation_ratio': 1})
         agg_mock.return_value = set(['2', '3'])
         # use the minimum ratio from aggregates
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
         self.assertEqual(4 * 2, host.limits['vcpu'])
diff --git a/nova/tests/unit/scheduler/filters/test_disk_filters.py b/nova/tests/unit/scheduler/filters/test_disk_filters.py
index ee965fd49029..8095c70d310b 100644
--- a/nova/tests/unit/scheduler/filters/test_disk_filters.py
+++ b/nova/tests/unit/scheduler/filters/test_disk_filters.py
@@ -12,6 +12,7 @@
 
 import mock
 
+from nova import objects
 from nova.scheduler.filters import disk_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -25,74 +26,75 @@ class TestDiskFilter(test.NoDBTestCase):
     def test_disk_filter_passes(self):
         self.flags(disk_allocation_ratio=1.0)
         filt_cls = disk_filter.DiskFilter()
-        filter_properties = {'instance_type': {'root_gb': 1,
-            'ephemeral_gb': 1, 'swap': 512}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(root_gb=1, ephemeral_gb=1, swap=512))
         host = fakes.FakeHostState('host1', 'node1',
                 {'free_disk_mb': 11 * 1024, 'total_usable_disk_gb': 13})
-        self.assertTrue(filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(filt_cls.host_passes(host, spec_obj))
 
     def test_disk_filter_fails(self):
         self.flags(disk_allocation_ratio=1.0)
         filt_cls = disk_filter.DiskFilter()
-        filter_properties = {'instance_type': {'root_gb': 10,
-            'ephemeral_gb': 1, 'swap': 1024}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(
+                root_gb=10, ephemeral_gb=1, swap=1024))
         host = fakes.FakeHostState('host1', 'node1',
                 {'free_disk_mb': 11 * 1024, 'total_usable_disk_gb': 13})
-        self.assertFalse(filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(filt_cls.host_passes(host, spec_obj))
 
     def test_disk_filter_oversubscribe(self):
         self.flags(disk_allocation_ratio=10.0)
         filt_cls = disk_filter.DiskFilter()
-        filter_properties = {'instance_type': {'root_gb': 100,
-            'ephemeral_gb': 18, 'swap': 1024}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(
+                root_gb=100, ephemeral_gb=18, swap=1024))
         # 1GB used... so 119GB allowed...
         host = fakes.FakeHostState('host1', 'node1',
                 {'free_disk_mb': 11 * 1024, 'total_usable_disk_gb': 12})
-        self.assertTrue(filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(filt_cls.host_passes(host, spec_obj))
         self.assertEqual(12 * 10.0, host.limits['disk_gb'])
 
     def test_disk_filter_oversubscribe_fail(self):
         self.flags(disk_allocation_ratio=10.0)
         filt_cls = disk_filter.DiskFilter()
-        filter_properties = {'instance_type': {'root_gb': 100,
-            'ephemeral_gb': 19, 'swap': 1024}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(
+                root_gb=100, ephemeral_gb=19, swap=1024))
         # 1GB used... so 119GB allowed...
         host = fakes.FakeHostState('host1', 'node1',
                 {'free_disk_mb': 11 * 1024, 'total_usable_disk_gb': 12})
-        self.assertFalse(filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(filt_cls.host_passes(host, spec_obj))
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_disk_filter_value_error(self, agg_mock):
         filt_cls = disk_filter.AggregateDiskFilter()
         self.flags(disk_allocation_ratio=1.0)
-        filter_properties = {
-            'context': mock.sentinel.ctx,
-            'instance_type': {'root_gb': 1,
-                              'ephemeral_gb': 1,
-                              'swap': 1024}}
+        spec_obj = objects.RequestSpec(
+            context=mock.sentinel.ctx,
+            flavor=objects.Flavor(
+                root_gb=1, ephemeral_gb=1, swap=1024))
         host = fakes.FakeHostState('host1', 'node1',
                                    {'free_disk_mb': 3 * 1024,
                                     'total_usable_disk_gb': 1})
         agg_mock.return_value = set(['XXX'])
-        self.assertTrue(filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'disk_allocation_ratio')
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_disk_filter_default_value(self, agg_mock):
         filt_cls = disk_filter.AggregateDiskFilter()
         self.flags(disk_allocation_ratio=1.0)
-        filter_properties = {
-            'context': mock.sentinel.ctx,
-            'instance_type': {'root_gb': 2,
-                              'ephemeral_gb': 1,
-                              'swap': 1024}}
+        spec_obj = objects.RequestSpec(
+            context=mock.sentinel.ctx,
+            flavor=objects.Flavor(
+                root_gb=2, ephemeral_gb=1, swap=1024))
         host = fakes.FakeHostState('host1', 'node1',
                                    {'free_disk_mb': 3 * 1024,
                                     'total_usable_disk_gb': 1})
         # Uses global conf.
         agg_mock.return_value = set([])
-        self.assertFalse(filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'disk_allocation_ratio')
 
         agg_mock.return_value = set(['2'])
-        self.assertTrue(filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(filt_cls.host_passes(host, spec_obj))
diff --git a/nova/tests/unit/scheduler/filters/test_exact_core_filter.py b/nova/tests/unit/scheduler/filters/test_exact_core_filter.py
index 22427c99681e..b7b7bcdb83f3 100644
--- a/nova/tests/unit/scheduler/filters/test_exact_core_filter.py
+++ b/nova/tests/unit/scheduler/filters/test_exact_core_filter.py
@@ -10,6 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from nova import objects
 from nova.scheduler.filters import exact_core_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -22,24 +23,22 @@ class TestExactCoreFilter(test.NoDBTestCase):
         self.filt_cls = exact_core_filter.ExactCoreFilter()
 
     def test_exact_core_filter_passes(self):
-        filter_properties = {'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(vcpus=1))
         host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_exact_core_filter_fails(self):
-        filter_properties = {'instance_type': {'vcpus': 2}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(vcpus=2))
         host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
-
-    def test_exact_core_filter_passes_no_instance_type(self):
-        filter_properties = {}
-        host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     def test_exact_core_filter_fails_host_vcpus_not_set(self):
-        filter_properties = {'instance_type': {'vcpus': 1}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(vcpus=1))
         host = self._get_host({})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     def _get_host(self, host_attributes):
         return fakes.FakeHostState('host1', 'node1', host_attributes)
diff --git a/nova/tests/unit/scheduler/filters/test_exact_disk_filter.py b/nova/tests/unit/scheduler/filters/test_exact_disk_filter.py
index f4f9f57d7748..f5e11da8b6fb 100644
--- a/nova/tests/unit/scheduler/filters/test_exact_disk_filter.py
+++ b/nova/tests/unit/scheduler/filters/test_exact_disk_filter.py
@@ -10,6 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from nova import objects
 from nova.scheduler.filters import exact_disk_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -22,26 +23,16 @@ class TestExactDiskFilter(test.NoDBTestCase):
         self.filt_cls = exact_disk_filter.ExactDiskFilter()
 
     def test_exact_disk_filter_passes(self):
-        filter_properties = {
-            'instance_type': {
-                'root_gb': 1,
-                'ephemeral_gb': 1,
-                'swap': 1024
-            }
-        }
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(root_gb=1, ephemeral_gb=1, swap=1024))
         host = self._get_host({'free_disk_mb': 3 * 1024})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_exact_disk_filter_fails(self):
-        filter_properties = {
-            'instance_type': {
-                'root_gb': 1,
-                'ephemeral_gb': 1,
-                'swap': 1024
-            }
-        }
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(root_gb=1, ephemeral_gb=1, swap=1024))
         host = self._get_host({'free_disk_mb': 2 * 1024})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     def _get_host(self, host_attributes):
         return fakes.FakeHostState('host1', 'node1', host_attributes)
diff --git a/nova/tests/unit/scheduler/filters/test_exact_ram_filter.py b/nova/tests/unit/scheduler/filters/test_exact_ram_filter.py
index 247a57178c4f..556131f0ac45 100644
--- a/nova/tests/unit/scheduler/filters/test_exact_ram_filter.py
+++ b/nova/tests/unit/scheduler/filters/test_exact_ram_filter.py
@@ -10,6 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from nova import objects
 from nova.scheduler.filters import exact_ram_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -22,14 +23,16 @@ class TestRamFilter(test.NoDBTestCase):
         self.filt_cls = exact_ram_filter.ExactRamFilter()
 
     def test_exact_ram_filter_passes(self):
-        filter_properties = {'instance_type': {'memory_mb': 1024}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(memory_mb=1024))
         host = self._get_host({'free_ram_mb': 1024})
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_exact_ram_filter_fails(self):
-        filter_properties = {'instance_type': {'memory_mb': 512}}
+        spec_obj = objects.RequestSpec(
+            flavor=objects.Flavor(memory_mb=512))
         host = self._get_host({'free_ram_mb': 1024})
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     def _get_host(self, host_attributes):
         return fakes.FakeHostState('host1', 'node1', host_attributes)
diff --git a/nova/tests/unit/scheduler/filters/test_io_ops_filters.py b/nova/tests/unit/scheduler/filters/test_io_ops_filters.py
index edc2dbf2b9c2..9d3c70322c42 100644
--- a/nova/tests/unit/scheduler/filters/test_io_ops_filters.py
+++ b/nova/tests/unit/scheduler/filters/test_io_ops_filters.py
@@ -13,6 +13,7 @@
 
 import mock
 
+from nova import objects
 from nova.scheduler.filters import io_ops_filter
 from nova import test
 from nova.tests.unit.scheduler import fakes
@@ -25,16 +26,16 @@ class TestNumInstancesFilter(test.NoDBTestCase):
         self.filt_cls = io_ops_filter.IoOpsFilter()
         host = fakes.FakeHostState('host1', 'node1',
                                    {'num_io_ops': 7})
-        filter_properties = {}
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        spec_obj = objects.RequestSpec()
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     def test_filter_num_iops_fails(self):
         self.flags(max_io_ops_per_host=8)
         self.filt_cls = io_ops_filter.IoOpsFilter()
         host = fakes.FakeHostState('host1', 'node1',
                                    {'num_io_ops': 8})
-        filter_properties = {}
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        spec_obj = objects.RequestSpec()
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_filter_num_iops_value(self, agg_mock):
@@ -42,12 +43,12 @@ class TestNumInstancesFilter(test.NoDBTestCase):
         self.filt_cls = io_ops_filter.AggregateIoOpsFilter()
         host = fakes.FakeHostState('host1', 'node1',
                                    {'num_io_ops': 7})
-        filter_properties = {'context': mock.sentinel.ctx}
+        spec_obj = objects.RequestSpec(context=mock.sentinel.ctx)
         agg_mock.return_value = set([])
-        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'max_io_ops_per_host')
         agg_mock.return_value = set(['8'])
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
 
     @mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
     def test_aggregate_filter_num_iops_value_error(self, agg_mock):
@@ -56,6 +57,6 @@ class TestNumInstancesFilter(test.NoDBTestCase):
         host = fakes.FakeHostState('host1', 'node1',
                                    {'num_io_ops': 7})
         agg_mock.return_value = set(['XXX'])
-        filter_properties = {'context': mock.sentinel.ctx}
-        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        spec_obj = objects.RequestSpec(context=mock.sentinel.ctx)
+        self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
         agg_mock.assert_called_once_with(host, 'max_io_ops_per_host')