Make resource registration conditional

If client libraries are not present for Swift or Quantum, don't register
the corresponding resource types.

Change-Id: I95a42973775b7f4c1d82caa47dc0660dfe54bb21
Signed-off-by: Zane Bitter <zbitter@redhat.com>

heat/engine/resources/quantum/floatingip.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from heat.engine import clients
 from heat.openstack.common import log as logging
 from heat.engine.resources.quantum import quantum
 
@@ -72,6 +73,9 @@ class FloatingIPAssociation(quantum.QuantumResource):
 
 
 def resource_mapping():
+    if clients.quantumclient is None:
+        return {}
+
     return {
         'OS::Quantum::FloatingIP': FloatingIP,
         'OS::Quantum::FloatingIPAssociation': FloatingIPAssociation,

heat/engine/resources/quantum/net.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from heat.engine import clients
 from heat.openstack.common import log as logging
 from heat.engine.resources.quantum import quantum
 
@@ -46,6 +47,9 @@ class Net(quantum.QuantumResource):
 
 
 def resource_mapping():
+    if clients.quantumclient is None:
+        return {}
+
     return {
         'OS::Quantum::Net': Net,
     }

heat/engine/resources/quantum/port.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from heat.engine import clients
 from heat.openstack.common import log as logging
 from heat.engine.resources.quantum import quantum
 
@@ -59,6 +60,9 @@ class Port(quantum.QuantumResource):
 
 
 def resource_mapping():
+    if clients.quantumclient is None:
+        return {}
+
     return {
         'OS::Quantum::Port': Port,
     }

heat/engine/resources/quantum/router.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from heat.engine import clients
 from heat.engine.resources.quantum import quantum
 
 from heat.openstack.common import log as logging
@@ -94,6 +95,9 @@ class RouterGateway(quantum.QuantumResource):
 
 
 def resource_mapping():
+    if clients.quantumclient is None:
+        return {}
+
     return {
         'OS::Quantum::Router': Router,
         'OS::Quantum::RouterInterface': RouterInterface,

heat/engine/resources/quantum/subnet.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from heat.engine import clients
 from heat.openstack.common import log as logging
 from heat.engine.resources.quantum import quantum
 
@@ -65,6 +66,9 @@ class Subnet(quantum.QuantumResource):
 
 
 def resource_mapping():
+    if clients.quantumclient is None:
+        return {}
+
     return {
         'OS::Quantum::Subnet': Subnet,
     }

heat/engine/resources/s3.py

@@ -123,6 +123,9 @@ class S3Bucket(resource.Resource):
 
 
 def resource_mapping():
+    if clients.swiftclient is None:
+        return {}
+
     return {
         'AWS::S3::Bucket': S3Bucket,
     }