Be consistent with hosting subscription creation.

Directly provide the instance document in the request.

master/bt5/vifib_slapos_core/WorkflowTemplateItem/portal_workflow/instance_slap_interface_workflow/scripts/RequesterInstance_request.xml

@@ -170,7 +170,7 @@ promise_kw = {\n
   \'shared\': is_slave,\n
 }\n
 request_software_instance_url = request_software_instance.getRelativeUrl()\n
-context.REQUEST.set(\'request_instance\', request_software_instance_url)\n
+context.REQUEST.set(\'request_instance\', request_software_instance)\n
 if (root_state == "started"):\n
   request_software_instance.requestStart(**promise_kw)\n
 elif (root_state == "stopped"):\n

master/bt5/vifib_slapos_core/bt/revision

-34
\ No newline at end of file
+35
\ No newline at end of file

master/product/Vifib/Tool/SlapTool.py

@@ -834,11 +834,10 @@ class SlapTool(BaseTool):
               sla_xml=sla_xml,
               state=state)
 
-    requested_software_instance_url = self.REQUEST.get('request_instance')
-    if requested_software_instance_url is None:
+    requested_software_instance = self.REQUEST.get('request_instance')
+    if requested_software_instance is None:
       raise SoftwareInstanceNotReady
     else:
-      requested_software_instance = portal.restrictedTraverse(requested_software_instance_url)
       if not requested_software_instance.getAggregate(portal_type="Computer Partition"):
         raise SoftwareInstanceNotReady
       else:

master/product/Vifib/tests/testVifibSlapWebService.py

@@ -604,10 +604,8 @@ class TestVifibSlapWebServiceMixin(testVifibMixin):
 
     software_instance_portal_type = kw.get("instance_portal_type",
                                   self.software_instance_portal_type)
-    software_instance = self.portal.unrestrictedTraverse(
-        self.portal.REQUEST.get('request_instance'))
-    hosting_subscription = self.portal.unrestrictedTraverse(
-        self.portal.REQUEST.get('request_hosting_subscription'))
+    software_instance = self.portal.REQUEST.get('request_instance')
+    hosting_subscription = self.portal.REQUEST.get('request_hosting_subscription')
     sequence.edit(
         root_software_instance_title=software_title,
         software_instance_uid=software_instance.getUid(),