Make storageClass for runner data configurable.

dev-example/config.yaml

@@ -3,3 +3,5 @@
 "/Manager":
   "/Controller":
     namespace: vmop-dev
+    runnerData:
+      storageClassName: null

org.jdrupes.vmoperator.manager/config-sample.yaml

@@ -0,0 +1,10 @@
+# The values in comments are the defaults.
+
+"/Manager":
+  "/Controller":
+    # Values used when creating the PVC for the runner's data
+    runnerData:
+      storageClassName: null
+  
+    # Only for development:
+    # namespace: vmop-dev

org.jdrupes.vmoperator.manager/resources/org/jdrupes/vmoperator/manager/runnerSts.ftl.yaml

@@ -30,7 +30,7 @@ spec:
       - name: ${ cr.metadata.name.asString }
         <#assign image = cr.spec.image>
         <#if image.source??>
-        image: ${ source.asString }
+        image: ${ image.source.asString }
         <#else>
         image: ${ image.repository.asString }/${ image.path.asString }<#if image.version??>:${ image.version.asString }</#if>
         </#if>
@@ -101,6 +101,9 @@ spec:
     spec:
       accessModes:
       - ReadWriteOnce
+      <#if config.runnerData?? && config.runnerData.storageClassName??>
+      storageClassName: ${ config.runnerData.storageClassName }
+      </#if>
       resources:
         requests:
           storage: 1Mi

org.jdrupes.vmoperator.manager/src/org/jdrupes/vmoperator/manager/Reconciler.java

@@ -40,7 +40,9 @@ import org.jdrupes.vmoperator.manager.VmDefChanged.Type;
 import org.jdrupes.vmoperator.util.ExtendedObjectWrapper;
 import org.jgrapes.core.Channel;
 import org.jgrapes.core.Component;
+import org.jgrapes.core.Components;
 import org.jgrapes.core.annotation.Handler;
+import org.jgrapes.util.events.ConfigurationUpdate;
 
 /**
  * Adapts Kubenetes resources to changes in VM definitions (CRs). 
@@ -54,6 +56,8 @@ public class Reconciler extends Component {
     private final CmReconciler cmReconciler;
     private final StsReconciler stsReconciler;
     private final ServiceReconciler serviceReconciler;
+    @SuppressWarnings("PMD.UseConcurrentHashMap")
+    private final Map<String, Object> config = new HashMap<>();
 
     /**
      * Instantiates a new reconciler.
@@ -78,6 +82,21 @@ public class Reconciler extends Component {
         serviceReconciler = new ServiceReconciler(fmConfig);
     }
 
+    /**
+     * Configure the component.
+     *
+     * @param event the event
+     */
+    @Handler
+    public void onConfigurationUpdate(ConfigurationUpdate event) {
+        event.structured(Components.manager(parent()).componentPath())
+            .ifPresent(c -> {
+                if (c.containsKey("runnerData")) {
+                    config.put("runnerData", c.get("runnerData"));
+                }
+            });
+    }
+
     /**
      * Handles the change event.
      *
@@ -117,6 +136,7 @@ public class Reconciler extends Component {
                 Configuration.VERSION_2_3_32)
                     .build().getStaticModels()
                     .get(Constants.class.getName()));
+        model.put("config", config);
 
         // Reconcile
         if (event.type() != Type.DELETED) {