Merge "Ignore image and flavor validations"

heat/engine/resources/openstack/nova/server.py

@@ -1280,6 +1280,42 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
 
         return bootable_vol
 
+    def _validate_image_flavor(self, image, flavor):
+        try:
+            image_obj = self.client_plugin('glance').get_image(image)
+            flavor_obj = self.client_plugin().get_flavor(flavor)
+        except Exception as ex:
+            # Flavor or image may not have been created in the backend
+            # yet when they are part of the same stack/template.
+            if (self.client_plugin().is_not_found(ex) or
+                    self.client_plugin('glance').is_not_found(ex)):
+                return
+            raise
+        else:
+            if image_obj.status.lower() != self.IMAGE_STATUS_ACTIVE:
+                msg = _('Image status is required to be %(cstatus)s not '
+                        '%(wstatus)s.') % {
+                    'cstatus': self.IMAGE_STATUS_ACTIVE,
+                    'wstatus': image_obj.status}
+                raise exception.StackValidationFailed(message=msg)
+
+            # validate image/flavor combination
+            if flavor_obj.ram < image_obj.min_ram:
+                msg = _('Image %(image)s requires %(imram)s minimum ram. '
+                        'Flavor %(flavor)s has only %(flram)s.') % {
+                    'image': image, 'imram': image_obj.min_ram,
+                    'flavor': flavor, 'flram': flavor_obj.ram}
+                raise exception.StackValidationFailed(message=msg)
+
+            # validate image/flavor disk compatibility
+            if flavor_obj.disk < image_obj.min_disk:
+                msg = _('Image %(image)s requires %(imsz)s GB minimum '
+                        'disk space. Flavor %(flavor)s has only '
+                        '%(flsz)s GB.') % {
+                    'image': image, 'imsz': image_obj.min_disk,
+                    'flavor': flavor, 'flsz': flavor_obj.disk}
+                raise exception.StackValidationFailed(message=msg)
+
     def validate(self):
         """Validate any of the provided params."""
         super(Server, self).validate()
@@ -1299,35 +1335,9 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
                     ' instance %s') % self.name
             raise exception.StackValidationFailed(message=msg)
 
+        flavor = self.properties[self.FLAVOR]
         if image:
-            image_obj = self.client_plugin('glance').get_image(image)
+            self._validate_image_flavor(image, flavor)
-
-            # validate image status
-            if image_obj.status.lower() != self.IMAGE_STATUS_ACTIVE:
-                msg = _('Image status is required to be %(cstatus)s not '
-                        '%(wstatus)s.') % {
-                    'cstatus': self.IMAGE_STATUS_ACTIVE,
-                    'wstatus': image_obj.status}
-                raise exception.StackValidationFailed(message=msg)
-
-            # validate image/flavor combination
-            flavor = self.properties[self.FLAVOR]
-            flavor_obj = self.client_plugin().get_flavor(flavor)
-            if flavor_obj.ram < image_obj.min_ram:
-                msg = _('Image %(image)s requires %(imram)s minimum ram. '
-                        'Flavor %(flavor)s has only %(flram)s.') % {
-                    'image': image, 'imram': image_obj.min_ram,
-                    'flavor': flavor, 'flram': flavor_obj.ram}
-                raise exception.StackValidationFailed(message=msg)
-
-            # validate image/flavor disk compatibility
-            if flavor_obj.disk < image_obj.min_disk:
-                msg = _('Image %(image)s requires %(imsz)s GB minimum '
-                        'disk space. Flavor %(flavor)s has only '
-                        '%(flsz)s GB.') % {
-                    'image': image, 'imsz': image_obj.min_disk,
-                    'flavor': flavor, 'flsz': flavor_obj.disk}
-                raise exception.StackValidationFailed(message=msg)
 
         # network properties 'uuid' and 'network' shouldn't be used
         # both at once for all networks

heat/tests/openstack/nova/test_server.py

@@ -2900,6 +2900,38 @@ class ServersTest(common.HeatTestCase):
             six.text_type(error))
         self.m.VerifyAll()
 
+    def test_validate_image_flavor_not_found(self):
+        stack_name = 'test_stack'
+        tmpl, stack = self._setup_test_stack(stack_name)
+
+        resource_defns = tmpl.resource_definitions(stack)
+        server = servers.Server('image_not_found',
+                                resource_defns['WebServer'], stack)
+
+        self._server_validate_mock(server)
+        image = tmpl['Resources']['WebServer']['Properties']['image']
+        flavor = tmpl['Resources']['WebServer']['Properties']['flavor']
+
+        self.m.StubOutWithMock(glance.GlanceClientPlugin, 'get_image')
+        self.m.StubOutWithMock(nova.NovaClientPlugin, 'get_flavor')
+
+        self.stub_FlavorConstraint_validate()
+        # Image not found
+        glance.GlanceClientPlugin.get_image(
+            image).AndRaise(glance.exceptions.NotFound())
+
+        # Flavor not found
+        glance.GlanceClientPlugin.get_image(
+            image).AndReturn(self.mock_image)
+        nova.NovaClientPlugin.get_flavor(
+            flavor).AndRaise(fakes_nova.fake_exception())
+        self.m.ReplayAll()
+
+        self.assertIsNone(server.validate())
+
+        self.assertIsNone(server.validate())
+        self.m.VerifyAll()
+
     def test_validate_insufficient_disk_flavor(self):
         stack_name = 'test_stack'
         tmpl, stack = self._setup_test_stack(stack_name)