Add SwiftMinPartHours parameter

This parameter adds the facility for an operator to set the length
of time in hours that a partition in a swift ring can be altered
following a rebalance of that ring. The default value is set to one.

The corresponding element change is here:
Ie6438386a54794e1ae2f31ad925db01c2c10ed6d

Change-Id: Icc5e431a7e2884b3ca3a255b6fd901619bc98460

swift-deploy.yaml

@@ -14,6 +14,10 @@ parameters:
     type: number
     default: 1
     description: How many replicas to use in the swift rings.
+  SwiftMinPartHours:
+    type: number
+    default: 1
+    description: The minimum time (in hours) before a partition in a ring can be moved following a rebalance.
 resources:
   controller0Swift:
     type: OS::Heat::StructuredDeployment
@@ -52,3 +56,4 @@ resources:
                         - - {get_attr: [controller0, networks, ctlplane, 0]}
                           - ':11211'
         swift_replicas: { get_param: SwiftReplicas}
+        swift_min_part_hours: { get_param: SwiftMinPartHours}

swift-source.yaml

@@ -10,4 +10,5 @@ resources:
           part-power: 10
           proxy-memcache: { get_input: swift_proxy_memcache }
           replicas: {get_input: swift_replicas }
+          min-part-hours: {get_input: swift_min_part_hours }
           service-password: { get_input: swift_password }

swift-storage-source.yaml

@@ -71,3 +71,4 @@ resources:
                         - - {get_attr: [controller0, networks, ctlplane, 0]}
                           - ':11211'
         swift_replicas: { get_param: SwiftReplicas}
+        swift_min_part_hours: { get_param: SwiftMinPartHours}