fix fabric8io#3896: adding serverSideApply dsl methods

kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/dsl/NonDeletingOperation.java

@@ -19,5 +19,6 @@ public interface NonDeletingOperation<T> extends
     CreateOrReplaceable<T>,
     EditReplacePatchable<T>,
     Replaceable<T>, ItemReplacable<T>,
-    ItemWritableOperation<T> {
+    ItemWritableOperation<T>,
+    ServerSideApplicable<T> {
 }

kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/dsl/ServerSideApplicable.java

@@ -0,0 +1,41 @@
+/**
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.fabric8.kubernetes.client.dsl;
+
+public interface ServerSideApplicable<T> {
+
+  T serverSideApply();
+
+  /**
+   * FieldManager is a name associated with the actor or entity that is making these changes.
+   * <p>
+   * The value must be less than or 128 characters long, and only contain printable characters
+   * <p>
+   * the default value is "fabric8"
+   *
+   * @param manager
+   * @return {@link ServerSideApplicable} for continued operations
+   */
+  ServerSideApplicable<T> fieldManager(String manager);
+
+  /**
+   * Force this request / fieldManager to take ownership over conflicting fields.
+   *
+   * @return {@link ServerSideApplicable} for continued operations
+   */
+  ServerSideApplicable<T> forceConflicts();
+
+}

kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/extension/ExtensibleResource.java

@@ -78,4 +78,10 @@ public interface ExtensibleResource<T> extends Resource<T> {
   @Override
   ExtensibleResource<T> fieldValidation(Validation fieldValidation);
 
+  @Override
+  ExtensibleResource<T> fieldManager(String manager);
+
+  @Override
+  ExtensibleResource<T> forceConflicts();
+
 }

kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/extension/ExtensibleResourceAdapter.java

@@ -106,4 +106,14 @@ public ExtensibleResource<T> fieldValidation(Validation fieldValidation) {
     return newInstance().init(resource.fieldValidation(fieldValidation), client);
   }
 
+  @Override
+  public ExtensibleResource<T> fieldManager(String manager) {
+    return newInstance().init(resource.fieldManager(manager), client);
+  }
+
+  @Override
+  public ExtensibleResource<T> forceConflicts() {
+    return newInstance().init(resource.forceConflicts(), client);
+  }
+
 }

kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/extension/ResourceAdapter.java

@@ -31,6 +31,7 @@
 import io.fabric8.kubernetes.client.dsl.NonDeletingOperation;
 import io.fabric8.kubernetes.client.dsl.ReplaceDeletable;
 import io.fabric8.kubernetes.client.dsl.Resource;
+import io.fabric8.kubernetes.client.dsl.ServerSideApplicable;
 import io.fabric8.kubernetes.client.dsl.Watchable;
 import io.fabric8.kubernetes.client.dsl.WritableOperation;
 import io.fabric8.kubernetes.client.dsl.base.PatchContext;
@@ -308,4 +309,19 @@ public NonDeletingOperation<T> fieldValidation(Validation fieldValidation) {
     return resource.fieldValidation(fieldValidation);
   }
 
+  @Override
+  public ServerSideApplicable<T> fieldManager(String manager) {
+    return resource.fieldManager(manager);
+  }
+
+  @Override
+  public ServerSideApplicable<T> forceConflicts() {
+    return resource.forceConflicts();
+  }
+
+  @Override
+  public T serverSideApply() {
+    return resource.serverSideApply();
+  }
+
 }

kubernetes-client/src/main/java/io/fabric8/kubernetes/client/dsl/internal/BaseOperation.java

@@ -44,6 +44,7 @@
 import io.fabric8.kubernetes.client.dsl.MixedOperation;
 import io.fabric8.kubernetes.client.dsl.Resource;
 import io.fabric8.kubernetes.client.dsl.base.PatchContext;
+import io.fabric8.kubernetes.client.dsl.base.PatchType;
 import io.fabric8.kubernetes.client.extension.ExtensibleResource;
 import io.fabric8.kubernetes.client.http.HttpRequest;
 import io.fabric8.kubernetes.client.informers.ResourceEventHandler;
@@ -1087,4 +1088,19 @@ public String getApiEndpointPath() {
     return parts.stream().collect(Collectors.joining("/"));
   }
 
+  @Override
+  public ExtensibleResource<T> fieldManager(String manager) {
+    return newInstance(context.withFieldManager(manager));
+  }
+
+  @Override
+  public ExtensibleResource<T> forceConflicts() {
+    return newInstance(context.withForceConflicts());
+  }
+
+  @Override
+  public T serverSideApply() {
+    return this.patch(PatchContext.of(PatchType.SERVER_SIDE_APPLY));
+  }
+
 }

kubernetes-client/src/main/java/io/fabric8/kubernetes/client/dsl/internal/OperationContext.java

@@ -51,6 +51,8 @@ public class OperationContext {
   protected boolean reloadingFromServer;
   protected boolean dryRun;
   protected FieldValidateable.Validation fieldValidation;
+  protected String fieldManager;
+  protected Boolean forceConflicts;
 
   // Default to -1 to respect the value set in the resource or the Kubernetes default (30 seconds)
   protected long gracePeriodSeconds = -1L;
@@ -73,15 +75,17 @@ public OperationContext(OperationContext other) {
     this(other.client, other.plural, other.namespace, other.name, other.apiGroupName, other.apiGroupVersion,
         other.item, other.labels, other.labelsNot, other.labelsIn, other.labelsNotIn, other.fields,
         other.fieldsNot, other.resourceVersion, other.reloadingFromServer, other.gracePeriodSeconds, other.propagationPolicy,
-        other.dryRun, other.selectorAsString, other.defaultNamespace, other.fieldValidation);
+        other.dryRun, other.selectorAsString, other.defaultNamespace, other.fieldValidation, other.fieldManager,
+        other.forceConflicts);
   }
 
   public OperationContext(Client client, String plural, String namespace, String name,
       String apiGroupName, String apiGroupVersion, Object item, Map<String, String> labels,
       Map<String, String[]> labelsNot, Map<String, String[]> labelsIn, Map<String, String[]> labelsNotIn,
       Map<String, String> fields, Map<String, String[]> fieldsNot, String resourceVersion, boolean reloadingFromServer,
       long gracePeriodSeconds, DeletionPropagation propagationPolicy,
-      boolean dryRun, String selectorAsString, boolean defaultNamespace, FieldValidateable.Validation fieldValidation) {
+      boolean dryRun, String selectorAsString, boolean defaultNamespace, FieldValidateable.Validation fieldValidation,
+      String fieldManager, Boolean forceConflicts) {
     this.client = client;
     this.item = item;
     this.plural = plural;
@@ -102,6 +106,8 @@ public OperationContext(Client client, String plural, String namespace, String n
     this.dryRun = dryRun;
     this.selectorAsString = selectorAsString;
     this.fieldValidation = fieldValidation;
+    this.fieldManager = fieldManager;
+    this.forceConflicts = forceConflicts;
   }
 
   private void setFieldsNot(Map<String, String[]> fieldsNot) {
@@ -503,4 +509,22 @@ public OperationContext withFieldValidation(Validation fieldValidation) {
     return context;
   }
 
+  public OperationContext withFieldManager(String fieldManager) {
+    if (Objects.equals(fieldManager, this.fieldManager)) {
+      return this;
+    }
+    final OperationContext context = new OperationContext(this);
+    context.fieldManager = fieldManager;
+    return context;
+  }
+
+  public OperationContext withForceConflicts() {
+    if (Boolean.TRUE.equals(this.forceConflicts)) {
+      return this;
+    }
+    final OperationContext context = new OperationContext(this);
+    context.forceConflicts = true;
+    return context;
+  }
+
 }

kubernetes-client/src/main/java/io/fabric8/kubernetes/client/dsl/internal/OperationSupport.java

@@ -61,6 +61,7 @@
 
 public class OperationSupport {
 
+  private static final String FIELD_MANAGER_PARAM = "?fieldManager=";
   public static final String JSON = "application/json";
   public static final String JSON_PATCH = "application/json-patch+json";
   public static final String STRATEGIC_MERGE_JSON_PATCH = "application/strategic-merge-patch+json";
@@ -214,23 +215,33 @@ public URL getResourceURLForWriteOperation(URL resourceURL) throws MalformedURLE
   public URL getResourceURLForPatchOperation(URL resourceUrl, PatchContext patchContext) throws MalformedURLException {
     if (patchContext != null) {
       String url = resourceUrl.toString();
-      if (patchContext.getForce() != null) {
-        url = URLUtils.join(url, "?force=" + patchContext.getForce());
+      Boolean forceConflicts = patchContext.getForce();
+
+      if (forceConflicts == null) {
+        forceConflicts = this.context.forceConflicts;
+      }
+      if (forceConflicts != null) {
+        url = URLUtils.join(url, "?force=" + forceConflicts);
       }
       if ((patchContext.getDryRun() != null && !patchContext.getDryRun().isEmpty()) || dryRun) {
         url = URLUtils.join(url, "?dryRun=All");
       }
       String fieldManager = patchContext.getFieldManager();
+      if (fieldManager == null) {
+        fieldManager = this.context.fieldManager;
+      }
       if (fieldManager == null && patchContext.getPatchType() == PatchType.SERVER_SIDE_APPLY) {
         fieldManager = "fabric8";
       }
       if (fieldManager != null) {
-        url = URLUtils.join(url, "?fieldManager=" + fieldManager);
+        url = URLUtils.join(url, FIELD_MANAGER_PARAM + fieldManager);
+      }
+      String fieldValidation = patchContext.getFieldValidation();
+      if (fieldValidation == null && this.context.fieldValidation != null) {
+        fieldValidation = this.context.fieldValidation.parameterValue();
       }
-      if (patchContext.getFieldValidation() != null) {
-        url = URLUtils.join(url, "?fieldValidation=" + patchContext.getFieldValidation());
-      } else if (this.context.fieldValidation != null) {
-        url = URLUtils.join(url, "?fieldValidation=" + this.context.fieldValidation.parameterValue());
+      if (fieldValidation != null) {
+        url = URLUtils.join(url, "?fieldValidation=" + fieldValidation);
       }
       return new URL(url);
     }

kubernetes-client/src/test/java/io/fabric8/kubernetes/client/impl/PatchTest.java

@@ -15,6 +15,7 @@
  */
 package io.fabric8.kubernetes.client.impl;
 
+import io.fabric8.kubernetes.api.model.PodBuilder;
 import io.fabric8.kubernetes.client.Config;
 import io.fabric8.kubernetes.client.ConfigBuilder;
 import io.fabric8.kubernetes.client.KubernetesClient;
@@ -167,6 +168,21 @@ void testPatchWithPatchOptions() {
         OperationSupport.STRATEGIC_MERGE_JSON_PATCH);
   }
 
+  @Test
+  void testServerSideApplyWithPatchOptions() {
+    // Given
+
+    // When
+    kubernetesClient.pods().inNamespace("ns1")
+        .resource(new PodBuilder().withNewMetadata().withName("pod1").endMetadata().build())
+        .fieldManager("x").forceConflicts().serverSideApply();
+
+    // Then
+    verify(mockClient, times(1)).sendAsync(any(), any());
+    assertRequest(0, "PATCH", "/api/v1/namespaces/ns1/pods/pod1", "fieldManager=x&force=true",
+        PatchType.SERVER_SIDE_APPLY.getContentType());
+  }
+
   private void assertRequest(String method, String url, String queryParam) {
     assertRequest(0, method, url, queryParam, null);
   }

kubernetes-itests/src/test/java/io/fabric8/kubernetes/ServerSideApplyIT.java

@@ -64,7 +64,7 @@ void testServerSideApply() {
     service.getSpec().setSelector(Collections.singletonMap("app", "other"));
 
     // 2nd server side apply
-    service = resource.patch(PatchContext.of(PatchType.SERVER_SIDE_APPLY), service);
+    service = client.resource(service).serverSideApply();
     assertEquals("other", service.getSpec().getSelector().get("app"));
     assertEquals(clusterIp, service.getSpec().getClusterIP());
   }