cloudstack: add get_or_failback()

lib/ansible/module_utils/cloudstack.py

@@ -77,6 +77,14 @@ class AnsibleCloudStack:
         else:
             self.cs = CloudStack(**read_config())
 
+
+    def get_or_fallback(self, key=None, fallback_key=None):
+        value = self.module.params.get(key)
+        if not value:
+            value = self.module.params.get(fallback_key)
+        return value
+
+
     # TODO: for backward compatibility only, remove if not used anymore
     def _has_changed(self, want_dict, current_dict, only_keys=None):
         return self.has_changed(want_dict=want_dict, current_dict=current_dict, only_keys=only_keys)

v1/ansible/module_utils/cloudstack.py

@@ -77,6 +77,14 @@ class AnsibleCloudStack:
         else:
             self.cs = CloudStack(**read_config())
 
+
+    def get_or_fallback(self, key=None, fallback_key=None):
+        value = self.module.params.get(key)
+        if not value:
+            value = self.module.params.get(fallback_key)
+        return value
+
+
     # TODO: for backward compatibility only, remove if not used anymore
     def _has_changed(self, want_dict, current_dict, only_keys=None):
         return self.has_changed(want_dict=want_dict, current_dict=current_dict, only_keys=only_keys)