aci_switch_leaf_selector: Support empty policy_group

changelogs/fragments/47668-aci_switch_leaf_selector-support_empty_policy_group.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- aci_switch_leaf_selector - Support empty policy_group

lib/ansible/modules/network/aci/aci_switch_leaf_selector.py

@@ -283,12 +283,7 @@ def main():
     aci.get_existing()
 
     if state == 'present':
-        aci.payload(
+        # Build child_configs dynamically
-            aci_class='infraLeafS',
-            class_config=dict(
-                descr=description,
-                name=leaf,
-            ),
         child_configs = [
             dict(
                 infraNodeBlk=dict(
@@ -300,14 +295,25 @@ def main():
                     ),
                 ),
             ),
-                dict(
+        ]
+
+        # Add infraRsAccNodePGrp only when policy_group was defined
+        if policy_group is not None:
+            child_configs.append(dict(
                 infraRsAccNodePGrp=dict(
                     attributes=dict(
                         tDn='uni/infra/funcprof/accnodepgrp-{0}'.format(policy_group),
                     ),
                 ),
+            ))
+
+        aci.payload(
+            aci_class='infraLeafS',
+            class_config=dict(
+                descr=description,
+                name=leaf,
             ),
-            ],
+            child_configs=child_configs,
         )
 
         aci.get_diff(aci_class='infraLeafS')