Merge branch 'release/v4.0.x' into release/v4.x

.gitlab-ci.yml

@@ -24,7 +24,7 @@ stages:
         - "*/build"
   before_script:
     - echo -n $CI_REGISTRY_PASSWORD | podman login -u "$CI_REGISTRY_USER" --password-stdin $CI_REGISTRY
-    - git switch $(git branch -r --sort="authordate" --contains $CI_COMMIT_SHA | head -1 | sed -e 's#[^/]*/##')
+    - git switch $(git branch -r --sort="authordate" --contains $CI_COMMIT_SHA | head -1 | sed -e 's#.*/##')
     - git pull
     - git reset --hard $CI_COMMIT_SHA
   

deploy/vmop-deployment.yaml

@@ -20,7 +20,7 @@ spec:
       containers:
         - name: vm-operator
           image: >-
-            ghcr.io/mnlipp/org.jdrupes.vmoperator.manager:4.0.1
+            ghcr.io/mnlipp/org.jdrupes.vmoperator.manager:4.0.2
           env:
           - name: JAVA_OPTS
             # The VM operator needs about 25 MB of memory, plus 1 MB for

org.jdrupes.vmoperator.manager/build.gradle

@@ -17,7 +17,7 @@ dependencies {
     implementation 'org.jgrapes:org.jgrapes.io:[2.12.1,3)'
     implementation 'org.jgrapes:org.jgrapes.http:[3.5.0,4)'
     
-    implementation 'org.jgrapes:org.jgrapes.webconsole.base:[2.2.0,3)'
+    implementation 'org.jgrapes:org.jgrapes.webconsole.base:[2.3.0,3)'
     implementation 'org.jgrapes:org.jgrapes.webconsole.vuejs:[1.8.0,2)'
     implementation 'org.jgrapes:org.jgrapes.webconsole.rbac:[1.4.0,2)'
     implementation 'org.jgrapes:org.jgrapes.webconlet.oidclogin:[1.7.0,2)'

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

@@ -37,7 +37,7 @@ data:
       # The template to use. Resolved relative to /usr/share/vmrunner/templates.
       # template: "Standard-VM-latest.ftl.yaml"
       <#if spec.runnerTemplate?? && spec.runnerTemplate.source?? >
-      template: ${ cm.spec().runnerTemplate.source }
+      template: ${ spec.runnerTemplate.source }
       </#if>
     
       # The template is copied to the data diretory when the VM starts for

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

@@ -50,6 +50,7 @@ import org.jdrupes.vmoperator.manager.events.VmPoolChanged;
 import org.jdrupes.vmoperator.manager.events.VmResourceChanged;
 import org.jgrapes.core.Channel;
 import org.jgrapes.core.Component;
+import org.jgrapes.core.EventPipeline;
 import org.jgrapes.core.annotation.Handler;
 import org.jgrapes.core.events.HandlingError;
 import org.jgrapes.core.events.Start;
@@ -94,7 +95,7 @@ import org.jgrapes.util.events.ConfigurationUpdate;
 public class Controller extends Component {
 
     private String namespace;
-    private final ChannelManager<String, VmChannel, ?> chanMgr;
+    private final ChannelManager<String, VmChannel, EventPipeline> chanMgr;
 
     /**
      * Creates a new instance.

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

@@ -66,7 +66,6 @@ import org.jose4j.base64url.Base64;
  *   * `passwordValidity`: the validity of the random password in seconds.
  *     Used to calculate the password expiry time in the generated secret.
  */
-@SuppressWarnings({ "PMD.DataflowAnomalyAnalysis", "PMD.TooManyStaticImports" })
 public class DisplaySecretReconciler extends Component {
 
     protected final Logger logger = Logger.getLogger(getClass().getName());
@@ -104,12 +103,15 @@ public class DisplaySecretReconciler extends Component {
                 return oldConfig;
             }).ifPresent(c -> {
                 try {
-                    if (c.containsKey("passwordValidity")) {
+                    Optional.ofNullable(c.get("passwordValidity"))
-                        passwordValidity = Integer
+                        .map(p -> p instanceof Integer ? (Integer) p
-                            .parseInt((String) c.get("passwordValidity"));
+                            : Integer.valueOf((String) p))
-                    }
+                        .ifPresent(p -> {
-                } catch (ClassCastException e) {
+                            passwordValidity = p;
-                    logger.config("Malformed configuration: " + e.getMessage());
+                        });
+                } catch (NumberFormatException e) {
+                    logger.warning(
+                        () -> "Malformed configuration: " + e.getMessage());
                 }
             });
     }
@@ -190,7 +192,6 @@ public class DisplaySecretReconciler extends Component {
      * @throws ApiException the api exception
      */
     @Handler
-    @SuppressWarnings("PMD.StringInstantiation")
     public void onGetDisplaySecret(GetDisplaySecret event, VmChannel channel)
             throws ApiException {
         // Get VM definition and check if running
@@ -319,7 +320,6 @@ public class DisplaySecretReconciler extends Component {
     /**
      * The Class PendingGet.
      */
-    @SuppressWarnings("PMD.DataClass")
     private static class PendingRequest {
         public final GetDisplaySecret event;
         public final long expectedSerial;

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

@@ -22,7 +22,6 @@ import com.google.gson.JsonObject;
 import io.kubernetes.client.apimachinery.GroupVersionKind;
 import io.kubernetes.client.custom.V1Patch;
 import io.kubernetes.client.openapi.ApiException;
-import io.kubernetes.client.openapi.models.V1ObjectMeta;
 import io.kubernetes.client.util.Watch;
 import io.kubernetes.client.util.generic.options.ListOptions;
 import java.io.IOException;
@@ -32,7 +31,6 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Optional;
 import java.util.Set;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.stream.Collectors;
 import org.jdrupes.vmoperator.common.Constants.Crd;
 import org.jdrupes.vmoperator.common.Constants.Status;
@@ -57,16 +55,28 @@ import org.jdrupes.vmoperator.manager.events.VmResourceChanged;
 import org.jdrupes.vmoperator.util.GsonPtr;
 import org.jgrapes.core.Channel;
 import org.jgrapes.core.Event;
+import org.jgrapes.core.EventPipeline;
 import org.jgrapes.core.annotation.Handler;
 
 /**
- * Watches for changes of VM definitions.
+ * Watches for changes of VM definitions. When a VM definition (CR)
+ * becomes known, is is registered with a {@link ChannelManager} and thus
+ * gets an associated {@link VmChannel} and an associated
+ * {@link EventPipeline}.
+ * 
+ * The {@link EventPipeline} is used for submitting an action that processes
+ * the change data from kubernetes, eventually transforming it to a
+ * {@link VmResourceChanged} event that is handled by another
+ * {@link EventPipeline} associated with the {@link VmChannel}. This
+ * event pipeline should be used for all events related to changes of
+ * a particular VM.
  */
 @SuppressWarnings({ "PMD.DataflowAnomalyAnalysis", "PMD.ExcessiveImports" })
 public class VmMonitor extends
         AbstractMonitor<VmDefinition, VmDefinitions, VmChannel> {
 
-    private final ChannelManager<String, VmChannel, ?> channelManager;
+    private final ChannelManager<String, VmChannel,
+            EventPipeline> channelManager;
 
     /**
      * Instantiates a new VM definition watcher.
@@ -75,7 +85,7 @@ public class VmMonitor extends
      * @param channelManager the channel manager
      */
     public VmMonitor(Channel componentChannel,
-            ChannelManager<String, VmChannel, ?> channelManager) {
+            ChannelManager<String, VmChannel, EventPipeline> channelManager) {
         super(componentChannel, VmDefinition.class,
             VmDefinitions.class);
         this.channelManager = channelManager;
@@ -122,14 +132,18 @@ public class VmMonitor extends
     @Override
     protected void handleChange(K8sClient client,
             Watch.Response<VmDefinition> response) {
-        V1ObjectMeta metadata = response.object.getMetadata();
+        var name = response.object.getMetadata().getName();
-        AtomicBoolean toBeAdded = new AtomicBoolean(false);
-        VmChannel channel = channelManager.channel(metadata.getName())
-            .orElseGet(() -> {
-                toBeAdded.set(true);
-                return channelManager.createChannel(metadata.getName());
-            });
 
+        // Process the response data on a VM specific pipeline to
+        // increase concurrency when e.g. starting many VMs.
+        var preparing = channelManager.associated(name)
+            .orElseGet(() -> newEventPipeline());
+        preparing.submit("VmChange[" + name + "]",
+            () -> processChange(client, response, preparing));
+    }
+
+    private void processChange(K8sClient client,
+            Watch.Response<VmDefinition> response, EventPipeline preparing) {
         // Get full definition and associate with channel as backup
         var vmDef = response.object;
         if (vmDef.data() == null) {
@@ -137,6 +151,9 @@ public class VmMonitor extends
             // https://github.com/kubernetes-client/java/issues/3215
             vmDef = getModel(client, vmDef);
         }
+        var name = response.object.getMetadata().getName();
+        var channel = channelManager.channel(name)
+            .orElseGet(() -> channelManager.createChannel(name));
         if (vmDef.data() != null) {
             // New data, augment and save
             addExtraData(vmDef, channel.vmDefinition());
@@ -150,9 +167,7 @@ public class VmMonitor extends
                 + response.object.getMetadata());
             return;
         }
-        if (toBeAdded.get()) {
+        channelManager.put(name, channel, preparing);
-            channelManager.put(vmDef.name(), channel);
-        }
 
         // Create and fire changed event. Remove channel from channel
         // manager on completion.
@@ -199,9 +214,16 @@ public class VmMonitor extends
     @Handler
     public void onPodChanged(PodChanged event, VmChannel channel) {
         var vmDef = channel.vmDefinition();
-        updateNodeInfo(event, vmDef);
+
-        channel
+        // Make sure that this is properly sync'd with VM CR changes.
-            .fire(new VmResourceChanged(ResponseType.MODIFIED, vmDef, false, true));
+        channelManager.associated(vmDef.name())
+            .orElseGet(() -> activeEventPipeline())
+            .submit("NodeInfo[" + vmDef.name() + "]",
+                () -> {
+                    updateNodeInfo(event, vmDef);
+                    channel.fire(new VmResourceChanged(ResponseType.MODIFIED,
+                        vmDef, false, true));
+                });
     }
 
     private void updateNodeInfo(PodChanged event, VmDefinition vmDef) {

org.jdrupes.vmoperator.vmmgmt/resources/org/jdrupes/vmoperator/vmmgmt/VmMgmt-view.ftl.html

@@ -30,7 +30,7 @@
       </tr>
     </thead>
     <tbody>
-      <template v-for="(entry, rowIndex) in filteredData">
+      <template v-for="(entry, rowIndex) in filteredData" :key="entry.name">
         <tr :class="[(rowIndex % 2) ? 'odd' : 'even']"
           :aria-expanded="(entry.name in detailsByName) ? 'true' : 'false'">
           <td v-for="key in controller.keys"