Examples with PvcOperator io.strimzi.controller.cluster.operator.resource.PvcOperator used on opensource projects

Example 1 with PvcOperator

use of io.strimzi.controller.cluster.operator.resource.PvcOperator in project strimzi by strimzi.

the class KafkaAssemblyOperatorTest method updateCluster.

private void updateCluster(TestContext context, ConfigMap originalCm, ConfigMap clusterCm, boolean kafkaRolling, boolean zkRolling) {
    KafkaCluster originalKafkaCluster = KafkaCluster.fromConfigMap(originalCm);
    KafkaCluster updatedKafkaCluster = KafkaCluster.fromConfigMap(clusterCm);
    ZookeeperCluster originalZookeeperCluster = ZookeeperCluster.fromConfigMap(originalCm);
    ZookeeperCluster updatedZookeeperCluster = ZookeeperCluster.fromConfigMap(clusterCm);
    TopicController originalTopicController = TopicController.fromConfigMap(originalCm);
    // create CM, Service, headless service, statefulset and so on
    ConfigMapOperator mockCmOps = mock(ConfigMapOperator.class);
    ServiceOperator mockServiceOps = mock(ServiceOperator.class);
    ZookeeperSetOperator mockZsOps = mock(ZookeeperSetOperator.class);
    KafkaSetOperator mockKsOps = mock(KafkaSetOperator.class);
    PvcOperator mockPvcOps = mock(PvcOperator.class);
    DeploymentOperator mockDepOps = mock(DeploymentOperator.class);
    String clusterCmName = clusterCm.getMetadata().getName();
    String clusterCmNamespace = clusterCm.getMetadata().getNamespace();
    // Mock CM get
    when(mockCmOps.get(clusterCmNamespace, clusterCmName)).thenReturn(clusterCm);
    ConfigMap metricsCm = new ConfigMapBuilder().withNewMetadata().withName(KafkaCluster.metricConfigsName(clusterCmName)).withNamespace(clusterCmNamespace).endMetadata().withData(Collections.singletonMap(AbstractModel.METRICS_CONFIG_FILE, METRICS_CONFIG)).build();
    when(mockCmOps.get(clusterCmNamespace, KafkaCluster.metricConfigsName(clusterCmName))).thenReturn(metricsCm);
    ConfigMap zkMetricsCm = new ConfigMapBuilder().withNewMetadata().withName(ZookeeperCluster.zookeeperMetricsName(clusterCmName)).withNamespace(clusterCmNamespace).endMetadata().withData(Collections.singletonMap(AbstractModel.METRICS_CONFIG_FILE, METRICS_CONFIG)).build();
    when(mockCmOps.get(clusterCmNamespace, ZookeeperCluster.zookeeperMetricsName(clusterCmName))).thenReturn(zkMetricsCm);
    // Mock Service gets
    when(mockServiceOps.get(clusterCmNamespace, KafkaCluster.kafkaClusterName(clusterCmName))).thenReturn(originalKafkaCluster.generateService());
    when(mockServiceOps.get(clusterCmNamespace, KafkaCluster.headlessName(clusterCmName))).thenReturn(originalKafkaCluster.generateHeadlessService());
    when(mockServiceOps.get(clusterCmNamespace, ZookeeperCluster.zookeeperClusterName(clusterCmName))).thenReturn(originalKafkaCluster.generateService());
    when(mockServiceOps.get(clusterCmNamespace, ZookeeperCluster.zookeeperHeadlessName(clusterCmName))).thenReturn(originalZookeeperCluster.generateHeadlessService());
    when(mockServiceOps.endpointReadiness(eq(clusterCmNamespace), any(), anyLong(), anyLong())).thenReturn(Future.succeededFuture());
    // Mock StatefulSet get
    when(mockKsOps.get(clusterCmNamespace, KafkaCluster.kafkaClusterName(clusterCmName))).thenReturn(originalKafkaCluster.generateStatefulSet(openShift));
    when(mockZsOps.get(clusterCmNamespace, ZookeeperCluster.zookeeperClusterName(clusterCmName))).thenReturn(originalZookeeperCluster.generateStatefulSet(openShift));
    // Mock Deployment get
    if (originalTopicController != null) {
        when(mockDepOps.get(clusterCmNamespace, TopicController.topicControllerName(clusterCmName))).thenReturn(originalTopicController.generateDeployment());
    }
    // Mock CM patch
    Set<String> metricsCms = set();
    doAnswer(invocation -> {
        metricsCms.add(invocation.getArgument(1));
        return Future.succeededFuture();
    }).when(mockCmOps).reconcile(eq(clusterCmNamespace), anyString(), any());
    // Mock Service patch (both service and headless service
    ArgumentCaptor<String> patchedServicesCaptor = ArgumentCaptor.forClass(String.class);
    when(mockServiceOps.reconcile(eq(clusterCmNamespace), patchedServicesCaptor.capture(), any())).thenReturn(Future.succeededFuture());
    // Mock StatefulSet patch
    when(mockZsOps.reconcile(anyString(), anyString(), any())).thenReturn(Future.succeededFuture(ReconcileResult.patched(zkRolling)));
    when(mockKsOps.reconcile(anyString(), anyString(), any())).thenReturn(Future.succeededFuture(ReconcileResult.patched(kafkaRolling)));
    // Mock StatefulSet rollingUpdate
    Set<String> rollingRestarts = set();
    // Mock StatefulSet scaleUp
    ArgumentCaptor<String> scaledUpCaptor = ArgumentCaptor.forClass(String.class);
    when(mockZsOps.scaleUp(anyString(), scaledUpCaptor.capture(), anyInt())).thenReturn(Future.succeededFuture(42));
    // Mock StatefulSet scaleDown
    ArgumentCaptor<String> scaledDownCaptor = ArgumentCaptor.forClass(String.class);
    when(mockZsOps.scaleDown(anyString(), scaledDownCaptor.capture(), anyInt())).thenReturn(Future.succeededFuture(42));
    when(mockZsOps.rollingUpdate(anyString(), anyString())).thenAnswer(i -> {
        if (!zkRolling) {
            context.fail("Unexpected rolling update");
        }
        return Future.succeededFuture();
    });
    // ArgumentCaptor<String> scaledUpCaptor = ArgumentCaptor.forClass(String.class);
    when(mockKsOps.scaleUp(anyString(), scaledUpCaptor.capture(), anyInt())).thenReturn(Future.succeededFuture(42));
    // Mock StatefulSet scaleDown
    // ArgumentCaptor<String> scaledDownCaptor = ArgumentCaptor.forClass(String.class);
    when(mockKsOps.scaleDown(anyString(), scaledDownCaptor.capture(), anyInt())).thenReturn(Future.succeededFuture(42));
    when(mockKsOps.rollingUpdate(anyString(), anyString())).thenAnswer(i -> {
        if (!kafkaRolling) {
            context.fail("Unexpected rolling update");
        }
        return Future.succeededFuture();
    });
    // Mock Deployment patch
    ArgumentCaptor<String> depCaptor = ArgumentCaptor.forClass(String.class);
    when(mockDepOps.reconcile(anyString(), depCaptor.capture(), any())).thenReturn(Future.succeededFuture());
    KafkaAssemblyOperator ops = new KafkaAssemblyOperator(vertx, openShift, ClusterControllerConfig.DEFAULT_OPERATION_TIMEOUT_MS, mockCmOps, mockServiceOps, mockZsOps, mockKsOps, mockPvcOps, mockDepOps);
    // Now try to update a KafkaCluster based on this CM
    Async async = context.async();
    ops.createOrUpdate(new Reconciliation("test-trigger", AssemblyType.KAFKA, clusterCmNamespace, clusterCmName), clusterCm, createResult -> {
        if (createResult.failed())
            createResult.cause().printStackTrace();
        context.assertTrue(createResult.succeeded());
        // rolling restart
        Set<String> expectedRollingRestarts = set();
        if (KafkaSetOperator.needsRollingUpdate(new StatefulSetDiff(originalKafkaCluster.generateStatefulSet(openShift), updatedKafkaCluster.generateStatefulSet(openShift)))) {
            expectedRollingRestarts.add(originalKafkaCluster.getName());
        }
        if (ZookeeperSetOperator.needsRollingUpdate(new StatefulSetDiff(originalZookeeperCluster.generateStatefulSet(openShift), updatedZookeeperCluster.generateStatefulSet(openShift)))) {
            expectedRollingRestarts.add(originalZookeeperCluster.getName());
        }
        // No metrics config  => no CMs created
        verify(mockCmOps, never()).createOrUpdate(any());
        verifyNoMoreInteractions(mockPvcOps);
        async.complete();
    });
}

Example 2 with PvcOperator

use of io.strimzi.controller.cluster.operator.resource.PvcOperator in project strimzi by strimzi.

the class KafkaAssemblyOperatorTest method deleteCluster.

private void deleteCluster(TestContext context, ConfigMap clusterCm) {
    ZookeeperCluster zookeeperCluster = ZookeeperCluster.fromConfigMap(clusterCm);
    KafkaCluster kafkaCluster = KafkaCluster.fromConfigMap(clusterCm);
    TopicController topicController = TopicController.fromConfigMap(clusterCm);
    // create CM, Service, headless service, statefulset
    ConfigMapOperator mockCmOps = mock(ConfigMapOperator.class);
    ServiceOperator mockServiceOps = mock(ServiceOperator.class);
    ZookeeperSetOperator mockZsOps = mock(ZookeeperSetOperator.class);
    KafkaSetOperator mockKsOps = mock(KafkaSetOperator.class);
    PvcOperator mockPvcOps = mock(PvcOperator.class);
    DeploymentOperator mockDepOps = mock(DeploymentOperator.class);
    String clusterCmName = clusterCm.getMetadata().getName();
    String clusterCmNamespace = clusterCm.getMetadata().getNamespace();
    StatefulSet kafkaSs = kafkaCluster.generateStatefulSet(true);
    StatefulSet zkSs = zookeeperCluster.generateStatefulSet(true);
    when(mockKsOps.get(clusterCmNamespace, KafkaCluster.kafkaClusterName(clusterCmName))).thenReturn(kafkaSs);
    when(mockZsOps.get(clusterCmNamespace, ZookeeperCluster.zookeeperClusterName(clusterCmName))).thenReturn(zkSs);
    when(mockCmOps.get(clusterCmNamespace, clusterCmName)).thenReturn(clusterCm);
    ArgumentCaptor<String> serviceCaptor = ArgumentCaptor.forClass(String.class);
    ArgumentCaptor<String> ssCaptor = ArgumentCaptor.forClass(String.class);
    ArgumentCaptor<String> metricsCaptor = ArgumentCaptor.forClass(String.class);
    when(mockCmOps.reconcile(eq(clusterCmNamespace), metricsCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    when(mockServiceOps.reconcile(eq(clusterCmNamespace), serviceCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    when(mockKsOps.reconcile(anyString(), ssCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    when(mockZsOps.reconcile(anyString(), ssCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    ArgumentCaptor<String> pvcCaptor = ArgumentCaptor.forClass(String.class);
    when(mockPvcOps.reconcile(eq(clusterCmNamespace), pvcCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    ArgumentCaptor<String> depCaptor = ArgumentCaptor.forClass(String.class);
    when(mockDepOps.reconcile(eq(clusterCmNamespace), depCaptor.capture(), isNull())).thenReturn(Future.succeededFuture());
    if (topicController != null) {
        Deployment tcDep = topicController.generateDeployment();
        when(mockDepOps.get(clusterCmNamespace, TopicController.topicControllerName(clusterCmName))).thenReturn(tcDep);
    }
    KafkaAssemblyOperator ops = new KafkaAssemblyOperator(vertx, openShift, ClusterControllerConfig.DEFAULT_OPERATION_TIMEOUT_MS, mockCmOps, mockServiceOps, mockZsOps, mockKsOps, mockPvcOps, mockDepOps);
    // Now try to delete a KafkaCluster based on this CM
    Async async = context.async();
    ops.delete(new Reconciliation("test-trigger", AssemblyType.KAFKA, clusterCmNamespace, clusterCmName), createResult -> {
        context.assertTrue(createResult.succeeded());
        /*Set<String> metricsNames = new HashSet<>();
            if (kafkaCluster.isMetricsEnabled()) {
                metricsNames.add(KafkaCluster.metricConfigsName(clusterCmName));
            }
            if (zookeeperCluster.isMetricsEnabled()) {
                metricsNames.add(ZookeeperCluster.zookeeperMetricsName(clusterCmName));
            }
            context.assertEquals(metricsNames, captured(metricsCaptor));*/
        verify(mockZsOps).reconcile(eq(clusterCmNamespace), eq(ZookeeperCluster.zookeeperClusterName(clusterCmName)), isNull());
        context.assertEquals(set(ZookeeperCluster.zookeeperHeadlessName(clusterCmName), ZookeeperCluster.zookeeperClusterName(clusterCmName), KafkaCluster.kafkaClusterName(clusterCmName), KafkaCluster.headlessName(clusterCmName)), captured(serviceCaptor));
        // verify deleted Statefulsets
        context.assertEquals(set(zookeeperCluster.getName(), kafkaCluster.getName()), captured(ssCaptor));
        // PvcOperations only used for deletion
        Set<String> expectedPvcDeletions = new HashSet<>();
        for (int i = 0; deleteClaim && i < kafkaCluster.getReplicas(); i++) {
            expectedPvcDeletions.add("data-" + clusterCmName + "-kafka-" + i);
        }
        for (int i = 0; deleteClaim && i < zookeeperCluster.getReplicas(); i++) {
            expectedPvcDeletions.add("data-" + clusterCmName + "-zookeeper-" + i);
        }
        context.assertEquals(expectedPvcDeletions, captured(pvcCaptor));
        // if topic controller configuration was defined in the CM
        if (topicController != null) {
            Set<String> expectedDepNames = new HashSet<>();
            expectedDepNames.add(TopicController.topicControllerName(clusterCmName));
            context.assertEquals(expectedDepNames, captured(depCaptor));
        }
        async.complete();
    });
}

Example 3 with PvcOperator

use of io.strimzi.controller.cluster.operator.resource.PvcOperator in project strimzi by strimzi.

the class KafkaAssemblyOperatorMockIT method createCluster.

private KafkaAssemblyOperator createCluster(TestContext context) {
    ConfigMapOperator cmops = new ConfigMapOperator(vertx, mockClient);
    ServiceOperator svcops = new ServiceOperator(vertx, mockClient);
    KafkaSetOperator ksops = new KafkaSetOperator(vertx, mockClient);
    ZookeeperSetOperator zksops = new ZookeeperSetOperator(vertx, mockClient);
    DeploymentOperator depops = new DeploymentOperator(vertx, mockClient);
    PvcOperator pvcops = new PvcOperator(vertx, mockClient);
    KafkaAssemblyOperator kco = new KafkaAssemblyOperator(vertx, true, 2_000, cmops, svcops, zksops, ksops, pvcops, depops);
    LOGGER.info("Reconciling initially -> create");
    Async createAsync = context.async();
    kco.reconcileAssembly(new Reconciliation("test-trigger", AssemblyType.KAFKA, NAMESPACE, CLUSTER_NAME), ar -> {
        if (ar.failed())
            ar.cause().printStackTrace();
        context.assertTrue(ar.succeeded());
        context.assertNotNull(mockClient.apps().statefulSets().inNamespace(NAMESPACE).withName(KafkaCluster.kafkaClusterName(CLUSTER_NAME)).get());
        context.assertNotNull(mockClient.apps().statefulSets().inNamespace(NAMESPACE).withName(ZookeeperCluster.zookeeperClusterName(CLUSTER_NAME)).get());
        context.assertNotNull(mockClient.extensions().deployments().inNamespace(NAMESPACE).withName(TopicController.topicControllerName(CLUSTER_NAME)).get());
        context.assertNotNull(mockClient.configMaps().inNamespace(NAMESPACE).withName(KafkaCluster.metricConfigsName(CLUSTER_NAME)).get());
        context.assertNotNull(mockClient.configMaps().inNamespace(NAMESPACE).withName(ZookeeperCluster.zookeeperMetricsName(CLUSTER_NAME)).get());
        createAsync.complete();
    });
    createAsync.await();
    return kco;
}

Example 4 with PvcOperator

use of io.strimzi.controller.cluster.operator.resource.PvcOperator in project strimzi by strimzi.

the class KafkaAssemblyOperatorTest method createCluster.

private void createCluster(TestContext context, ConfigMap clusterCm) {
    // create CM, Service, headless service, statefulset and so on
    ConfigMapOperator mockCmOps = mock(ConfigMapOperator.class);
    ServiceOperator mockServiceOps = mock(ServiceOperator.class);
    ZookeeperSetOperator mockZsOps = mock(ZookeeperSetOperator.class);
    KafkaSetOperator mockKsOps = mock(KafkaSetOperator.class);
    PvcOperator mockPvcOps = mock(PvcOperator.class);
    DeploymentOperator mockDepOps = mock(DeploymentOperator.class);
    // Create a CM
    String clusterCmName = clusterCm.getMetadata().getName();
    String clusterCmNamespace = clusterCm.getMetadata().getNamespace();
    when(mockCmOps.get(clusterCmNamespace, clusterCmName)).thenReturn(clusterCm);
    ArgumentCaptor<Service> serviceCaptor = ArgumentCaptor.forClass(Service.class);
    when(mockServiceOps.reconcile(anyString(), anyString(), serviceCaptor.capture())).thenReturn(Future.succeededFuture(ReconcileResult.created()));
    when(mockServiceOps.endpointReadiness(anyString(), any(), anyLong(), anyLong())).thenReturn(Future.succeededFuture());
    ArgumentCaptor<StatefulSet> ssCaptor = ArgumentCaptor.forClass(StatefulSet.class);
    when(mockZsOps.reconcile(anyString(), anyString(), ssCaptor.capture())).thenReturn(Future.succeededFuture(ReconcileResult.created()));
    when(mockZsOps.scaleDown(anyString(), anyString(), anyInt())).thenReturn(Future.succeededFuture(null));
    when(mockZsOps.rollingUpdate(anyString(), anyString())).thenReturn(Future.succeededFuture());
    when(mockZsOps.scaleUp(anyString(), anyString(), anyInt())).thenReturn(Future.succeededFuture(42));
    when(mockKsOps.reconcile(anyString(), anyString(), ssCaptor.capture())).thenReturn(Future.succeededFuture(ReconcileResult.created()));
    when(mockKsOps.scaleDown(anyString(), anyString(), anyInt())).thenReturn(Future.succeededFuture(null));
    when(mockKsOps.rollingUpdate(anyString(), anyString())).thenReturn(Future.succeededFuture());
    when(mockKsOps.scaleUp(anyString(), anyString(), anyInt())).thenReturn(Future.succeededFuture(42));
    ArgumentCaptor<Deployment> depCaptor = ArgumentCaptor.forClass(Deployment.class);
    when(mockDepOps.reconcile(anyString(), anyString(), depCaptor.capture())).thenReturn(Future.succeededFuture(ReconcileResult.created()));
    // when(mockSsOps.readiness(any(), any(), anyLong(), anyLong())).thenReturn(Future.succeededFuture());
    // when(mockPodOps.readiness(any(), any(), anyLong(), anyLong())).thenReturn(Future.succeededFuture());
    // when(mockEndpointOps.readiness(any(), any(), anyLong(), anyLong())).thenReturn(Future.succeededFuture());
    KafkaCluster kafkaCluster = KafkaCluster.fromConfigMap(clusterCm);
    ZookeeperCluster zookeeperCluster = ZookeeperCluster.fromConfigMap(clusterCm);
    TopicController topicController = TopicController.fromConfigMap(clusterCm);
    ArgumentCaptor<ConfigMap> metricsCaptor = ArgumentCaptor.forClass(ConfigMap.class);
    ArgumentCaptor<String> metricsNameCaptor = ArgumentCaptor.forClass(String.class);
    when(mockCmOps.reconcile(anyString(), metricsNameCaptor.capture(), metricsCaptor.capture())).thenReturn(Future.succeededFuture(ReconcileResult.created()));
    KafkaAssemblyOperator ops = new KafkaAssemblyOperator(vertx, openShift, ClusterControllerConfig.DEFAULT_OPERATION_TIMEOUT_MS, mockCmOps, mockServiceOps, mockZsOps, mockKsOps, mockPvcOps, mockDepOps);
    // Now try to create a KafkaCluster based on this CM
    Async async = context.async();
    ops.createOrUpdate(new Reconciliation("test-trigger", AssemblyType.KAFKA, clusterCmNamespace, clusterCmName), clusterCm, createResult -> {
        if (createResult.failed()) {
            createResult.cause().printStackTrace();
        }
        context.assertTrue(createResult.succeeded());
        // No metrics config  => no CMs created
        Set<String> metricsNames = new HashSet<>();
        if (kafkaCluster.isMetricsEnabled()) {
            metricsNames.add(KafkaCluster.metricConfigsName(clusterCmName));
        }
        if (zookeeperCluster.isMetricsEnabled()) {
            metricsNames.add(ZookeeperCluster.zookeeperMetricsName(clusterCmName));
        }
        /*
            Map<String, ConfigMap> cmsByName = new HashMap<>();
            Iterator<ConfigMap> it2 = metricsCaptor.getAllValues().iterator();
            for (Iterator<String> it = metricsNameCaptor.getAllValues().iterator(); it.hasNext(); ) {
                cmsByName.put(it.next(), it2.next());
            }
            context.assertEquals(metricsNames, cmsByName.keySet(),
                    "Unexpected metrics ConfigMaps");
            if (kafkaCluster.isMetricsEnabled()) {
                ConfigMap kafkaMetricsCm = cmsByName.get(KafkaCluster.metricConfigsName(clusterCmName));
                context.assertEquals(ResourceUtils.labels(Labels.STRIMZI_TYPE_LABEL, "kafka",
                        Labels.STRIMZI_CLUSTER_LABEL, clusterCmName,
                        "my-user-label", "cromulent"), kafkaMetricsCm.getMetadata().getLabels());
            }
            if (zookeeperCluster.isMetricsEnabled()) {
                ConfigMap zookeeperMetricsCm = cmsByName.get(ZookeeperCluster.zookeeperMetricsName(clusterCmName));
                context.assertEquals(ResourceUtils.labels(Labels.STRIMZI_TYPE_LABEL, "zookeeper",
                        Labels.STRIMZI_CLUSTER_LABEL, clusterCmName,
                        "my-user-label", "cromulent"), zookeeperMetricsCm.getMetadata().getLabels());
            }*/
        // We expect a headless and headful service
        List<Service> capturedServices = serviceCaptor.getAllValues();
        context.assertEquals(4, capturedServices.size());
        context.assertEquals(set(KafkaCluster.kafkaClusterName(clusterCmName), KafkaCluster.headlessName(clusterCmName), ZookeeperCluster.zookeeperClusterName(clusterCmName), ZookeeperCluster.zookeeperHeadlessName(clusterCmName)), capturedServices.stream().map(svc -> svc.getMetadata().getName()).collect(Collectors.toSet()));
        // Assertions on the statefulset
        List<StatefulSet> capturedSs = ssCaptor.getAllValues();
        // We expect a statefulSet for kafka and zookeeper...
        context.assertEquals(set(KafkaCluster.kafkaClusterName(clusterCmName), ZookeeperCluster.zookeeperClusterName(clusterCmName)), capturedSs.stream().map(ss -> ss.getMetadata().getName()).collect(Collectors.toSet()));
        // if topic controller configuration was defined in the CM
        if (topicController != null) {
            List<Deployment> capturedDeps = depCaptor.getAllValues();
            context.assertEquals(1, capturedDeps.size());
            context.assertEquals(TopicController.topicControllerName(clusterCmName), capturedDeps.get(0).getMetadata().getName());
        }
        // PvcOperations only used for deletion
        verifyNoMoreInteractions(mockPvcOps);
        async.complete();
    });
}

Example 5 with PvcOperator

use of io.strimzi.controller.cluster.operator.resource.PvcOperator in project strimzi by strimzi.

the class KafkaAssemblyOperatorTest method testReconcile.

@Test
public void testReconcile(TestContext context) {
    Async async = context.async(3);
    // create CM, Service, headless service, statefulset
    ConfigMapOperator mockCmOps = mock(ConfigMapOperator.class);
    ServiceOperator mockServiceOps = mock(ServiceOperator.class);
    ZookeeperSetOperator mockZsOps = mock(ZookeeperSetOperator.class);
    KafkaSetOperator mockKsOps = mock(KafkaSetOperator.class);
    PvcOperator mockPvcOps = mock(PvcOperator.class);
    DeploymentOperator mockDepOps = mock(DeploymentOperator.class);
    String clusterCmNamespace = "myNamespace";
    ConfigMap foo = getConfigMap("foo");
    ConfigMap bar = getConfigMap("bar");
    ConfigMap baz = getConfigMap("baz");
    when(mockCmOps.list(eq(clusterCmNamespace), any())).thenReturn(asList(foo, bar));
    // when requested ConfigMap for a specific Kafka cluster
    when(mockCmOps.get(eq(clusterCmNamespace), eq("foo"))).thenReturn(foo);
    when(mockCmOps.get(eq(clusterCmNamespace), eq("bar"))).thenReturn(bar);
    // providing the list of ALL StatefulSets for all the Kafka clusters
    Labels newLabels = Labels.forType(AssemblyType.KAFKA);
    when(mockKsOps.list(eq(clusterCmNamespace), eq(newLabels))).thenReturn(asList(KafkaCluster.fromConfigMap(bar).generateStatefulSet(openShift), KafkaCluster.fromConfigMap(baz).generateStatefulSet(openShift)));
    // providing the list StatefulSets for already "existing" Kafka clusters
    Labels barLabels = Labels.forCluster("bar");
    when(mockKsOps.list(eq(clusterCmNamespace), eq(barLabels))).thenReturn(asList(KafkaCluster.fromConfigMap(bar).generateStatefulSet(openShift)));
    Labels bazLabels = Labels.forCluster("baz");
    when(mockKsOps.list(eq(clusterCmNamespace), eq(bazLabels))).thenReturn(asList(KafkaCluster.fromConfigMap(baz).generateStatefulSet(openShift)));
    Set<String> createdOrUpdated = new HashSet<>();
    Set<String> deleted = new HashSet<>();
    KafkaAssemblyOperator ops = new KafkaAssemblyOperator(vertx, openShift, ClusterControllerConfig.DEFAULT_OPERATION_TIMEOUT_MS, mockCmOps, mockServiceOps, mockZsOps, mockKsOps, mockPvcOps, mockDepOps) {

        @Override
        public void createOrUpdate(Reconciliation reconciliation, ConfigMap assemblyCm, Handler h) {
            createdOrUpdated.add(assemblyCm.getMetadata().getName());
            async.countDown();
            h.handle(Future.succeededFuture());
        }

        @Override
        public void delete(Reconciliation reconciliation, Handler h) {
            deleted.add(reconciliation.assemblyName());
            async.countDown();
            h.handle(Future.succeededFuture());
        }
    };
    // Now try to reconcile all the Kafka clusters
    ops.reconcileAll("test", clusterCmNamespace, Labels.EMPTY);
    async.await();
    context.assertEquals(new HashSet(asList("foo", "bar")), createdOrUpdated);
    context.assertEquals(singleton("baz"), deleted);
}