Allow configuration of automated cleaning

src/config.yaml

@@ -100,4 +100,13 @@ options:
       the ironic python agent (IPA) from within the deployment image. See the IPA
       documentation for a list of command line parameters which can be passed via
       pxe_append_params.
-  
+  automated-cleaning:
+    default: true
+    type: boolean
+    description: |
+      Enables automated cleaning of nodes. This is run when setting a node to available
+      state, or when deleting an instance. Cleaning will bring the node in a baseline
+      state. You can safely disable this feature if all tenants of your OpenStack deployment
+      are trusted, or if you have a single tenant.
+
+      Note: node cleaning may take a long time, especially if secure erase is enabled.

src/templates/parts/section-conductor

@@ -0,0 +1,2 @@
+[conductor]
+automated_clean = {{ options.automated_cleaning }}

src/templates/train/ironic.conf

@@ -61,3 +61,5 @@ swift_temp_url_key = secret
 {% include "parts/section-pxe" %}
 
 {% include "parts/section-deploy" %}
+
+{% include "parts/section-conductor" %}