Java Deployment类代码示例

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
@Override
public SpeechletResponse onRequest(IntentRequest request, Session session) throws SpeechletException {
    IntentContext<BaseOperation<Deployment, DeploymentList, ?, ?>> ctx = createContext(request.getIntent(), session);
    String namespace = ctx.getVariable(Variable.Namespace, getKubernetesClient().getNamespace());
    LOGGER.info("Listing all deployments for namespace:" + namespace);

    try {
        List<String> deployments = list(ctx)
                .getItems()
                .stream()
                .map(d -> d.getMetadata().getName()).collect(Collectors.toList());

        if (deployments.isEmpty()) {
            return newResponse("No deployments found.");
        } else {
            return newResponse("The available deployments are: " + join(deployments, ","));
        }
    } catch (KubernetesClientException e) {
        return newFailureNotice(e.getStatus().getMessage());
    }
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
/**
 * Returns a simple report of the deployments.
 * @return  A string containing the text of the report.
 */
private String getDeploymentReport() {
    StringBuilder sb = new StringBuilder();
    List<Deployment> all = kubernetesClient.extensions().deployments().list().getItems();

    List<Deployment> pending = all.stream()
            .filter(d -> !Readiness.isDeploymentReady(d))
            .collect(Collectors.toList());

    try {
        sb.append(createDeploymentReport(all.size(), all.size() - pending.size()));
        sb.append(createPendingReportForDeployment(pending));
    } catch (Throwable t) {
        //ignore
    }
    return sb.toString();
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
protected Deployment createDeployment(String namespace,
                                      final String deploymentName,
                                      Map<String, String> labels,
                                      final String serviceAccountName,
                                      final String imageName,
                                      final ImagePullPolicy imagePullPolicy,
                                      final boolean hostNetwork,
                                      final boolean tls,
                                      final boolean verifyTls) {
  namespace = normalizeNamespace(namespace);
  labels = normalizeLabels(labels);

  final Deployment deployment = new Deployment();

  final ObjectMeta metadata = new ObjectMeta();
  metadata.setNamespace(namespace);
  metadata.setName(normalizeDeploymentName(deploymentName));
  metadata.setLabels(labels);
  deployment.setMetadata(metadata);

  deployment.setSpec(this.createDeploymentSpec(labels, serviceAccountName, imageName, imagePullPolicy, namespace, hostNetwork, tls, verifyTls));
  return deployment;
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
private KubernetesDeployment getDeploymentByName(String namespace, String name) throws VmidcException {
    KubernetesDeployment resultDeployment = null;

    try {
        Deployment deployment = getKubernetesClient().extensions().deployments().inNamespace(namespace).withName(name).get();

        if (deployment != null) {
            resultDeployment = new KubernetesDeployment(
                    deployment.getMetadata().getName(),
                    deployment.getMetadata().getNamespace(),
                    deployment.getMetadata().getUid(),
                    deployment.getSpec().getReplicas(),
                    deployment.getSpec().getTemplate().getSpec().getContainers().get(0).getImage(),
                    deployment.getSpec().getTemplate().getSpec().getContainers().get(0).getImagePullPolicy());
            resultDeployment.setDeploymentResource(deployment);
            Integer availableReplicas = deployment.getStatus().getAvailableReplicas();
            resultDeployment.setAvailableReplicaCount(availableReplicas == null ? 0 : availableReplicas.intValue());
        }

    } catch (KubernetesClientException e) {
        throw new VmidcException("Failed to get the deployment");
    }

    return resultDeployment;
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
@Test
public void testGetDeploymentById_WhenK8sReturnsDeploymentWithMatchingId_ReturnsDeployment() throws Exception {
    // Arrange.
    String name = UUID.randomUUID().toString();
    String namespace = UUID.randomUUID().toString();
    String uid = UUID.randomUUID().toString();
    Deployment deployment = newDeployment(uid, namespace, name, 1, "image-sample-name");
    mockDeploymentByName(namespace, name, deployment);

    // Act.
    KubernetesDeployment result = this.deploymentApi.getDeploymentById(uid, namespace, name);

    // Assert.
    assertNotNull("The result should not be null.", result);
    assertDeploymentFields(deployment, result);
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
@Test
public void testUpdateDeploymentReplicaCount_WhenK8sReturnsDeploymentWithMatchingId_DeploymentUpdated() throws Exception {
    // Arrange.
    String name = UUID.randomUUID().toString();
    String namespace = UUID.randomUUID().toString();
    String uid = UUID.randomUUID().toString();
    Deployment deployment = newDeployment(uid, namespace, name, 1, "image-sample-name");
    ScalableResource<Deployment, DoneableDeployment> resourceMock = mockDeploymentByName(namespace, name, deployment);

    int newReplicaCount = 10;

    // Act.
    this.deploymentApi.updateDeploymentReplicaCount(uid, namespace, name, newReplicaCount);

    // Assert.
    verify(resourceMock, times(1)).scale(newReplicaCount);
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
@Override
public boolean matches(Object object) {
    if (object == null || !(object instanceof Deployment)) {
        return false;
    }
    Deployment deployment = (Deployment)object;

    ObjectMeta metadata = deployment.getMetadata();

    DeploymentSpec spec = deployment.getSpec();
    PodTemplateSpec podTemplateSpec = spec.getTemplate();
    String podLabel = podTemplateSpec.getMetadata().getLabels().get("osc-deployment");

    Container container = podTemplateSpec.getSpec().getContainers().get(0);

    return this.name.equals(metadata.getName()) &&
            this.name.equals(podLabel) &&
            this.replicaCount == spec.getReplicas() &&
            this.imageName.equals(container.getImage()) &&
            this.name.equals(container.getName());
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
public void testExists() throws ResourceException {

        // Check that the deployment doesn't exist already
        Deployment deployment = KubernetesClientUtil.retrieveDeployment(kubernetesClient, deploymentResourceV1);
        assertNull(deployment);

        // Test exists method
        assertFalse(deploymentResourceV1.exists());

        // Create deployment
        deploymentResourceV1.create();

        // Check that the deployment exists
        deployment = KubernetesClientUtil.retrieveDeployment(kubernetesClient, deploymentResourceV1);
        assertNotNull(deployment);

        // Test exists method
        assertTrue(deploymentResourceV1.exists());
    }
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
public void testCreate() throws ResourceException {

        // Check that the deployment doesn't exist already
        Deployment deployment = KubernetesClientUtil.retrieveDeployment(kubernetesClient, deploymentResourceV1);
        assertNull(deployment);

        // Create deployment
        deploymentResourceV1.create();

        // Check that the deployment exists
        deployment = KubernetesClientUtil.retrieveDeployment(kubernetesClient, deploymentResourceV1);
        assertNotNull(deployment);

        // Check if the pods were created
        assertEquals(3, KubernetesClientUtil.retrievePods(kubernetesClient, deploymentResourceV1).getItems().size());

        // Check if the replica set was created
        List<ReplicaSet> replicaSets = KubernetesClientUtil.retrieveReplicaSets(kubernetesClient, deploymentResourceV1).getItems();
        assertEquals(1, replicaSets.size());
        assertEquals(deploymentResourceV1.getId(), replicaSets.get(0).getMetadata().getLabels().get(DEPLOYMENT_MARKER_LABEL));

        // Compare deployments
        assertEquals(deployment.getMetadata().getName(), deploymentResourceV1.getId());
        assertEquals(deployment.getApiVersion(), deploymentResourceV1.getResourceConfig().getResourceVersion());
        assertEquals(deployment.getKind(), deploymentResourceV1.getResourceConfig().getResourceType());
    }
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
@Override
public void addMissingResources(KubernetesListBuilder builder) {
    log.info("addMissingResources");

    List<HasMetadata> items = builder.getItems();
    for (HasMetadata item : items) {
        if (item instanceof Deployment) {
            Deployment deployment = (Deployment)item;
            List<Container> containers = getCandidateContainers(deployment);
            for (Container container : containers) {
                if (container.getResources() == null) {
                    ResourceRequirements resourceRequirements = buildResourceRequirements();

                    log.info(describe(resourceRequirements));

                    container.setResources(resourceRequirements);
                }
            }
        }
    }

    builder.withItems(items);
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
public static List<Event> getFailedEvents(KubernetesClient client, Deployment deployment) {
    List<Event> result = new ArrayList<>();
    for (Pod pod : podsOf(client, deployment).getItems()) {
        result.addAll(getFailedEvents(client, pod));
    }
    return result;
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
/**
 * Returns the {@link PodList} that match the specified {@link Deployment}.
 *
 * @param deployment The {@link Deployment}
 */
public static PodList findMatching(KubernetesClient client, Deployment deployment) {
    FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> podLister =
            client.pods().inNamespace(deployment.getMetadata().getNamespace());
    if (deployment.getSpec().getSelector().getMatchLabels() != null) {
        podLister.withLabels(deployment.getSpec().getSelector().getMatchLabels());
    }
    if (deployment.getSpec().getSelector().getMatchExpressions() != null) {
        for (LabelSelectorRequirement req : deployment.getSpec().getSelector().getMatchExpressions()) {
            switch (req.getOperator()) {
                case "In":
                    podLister.withLabelIn(req.getKey(), req.getValues().toArray(new String[]{}));
                    break;
                case "NotIn":
                    podLister.withLabelNotIn(req.getKey(), req.getValues().toArray(new String[]{}));
                    break;
                case "DoesNotExist":
                    podLister.withoutLabel(req.getKey());
                    break;
                case "Exists":
                    podLister.withLabel(req.getKey());
                    break;
            }
        }
    }
    return podLister.list();
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
/**
 * Finds the pod that correspond to the specified resource.
 *
 * @param resource The resource.
 * @return The podList with the matching pods.
 */
public static <T extends HasMetadata> PodList podsOf(KubernetesClient client, T resource) {
    if (resource instanceof Pod) {
        return new PodListBuilder().withItems((Pod) resource).build();
    } else if (resource instanceof Endpoints) {
        return podsOf(client, client.services()
                .inNamespace(resource.getMetadata().getNamespace())
                .withName(resource.getMetadata().getName())
                .get());
    } else if (resource instanceof Service) {
        return client.pods()
                .inNamespace(resource.getMetadata().getNamespace())
                .withLabels(((Service) resource).getSpec().getSelector())
                .list();
    } else if (resource instanceof ReplicationController) {
        return client.pods()
                .inNamespace(resource.getMetadata().getNamespace())
                .withLabels(((ReplicationController) resource).getSpec().getSelector())
                .list();
    } else if (resource instanceof Deployment) {
        return findMatching(client, (Deployment) resource);
    } else if (resource instanceof DeploymentConfig) {
        return client.pods().inNamespace(resource.getMetadata().getNamespace()).withLabel("deploymentconfig",
                resource.getMetadata().getName()).list();
    } else {
        return new PodListBuilder().build();
    }
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
private String createPendingReportForDeployment(List<Deployment> pending) {
    if (pending == null || pending.isEmpty()) {
        return "";
    }
    StringBuilder sb = new StringBuilder();
    sb.append("Failed deployments are: ");
    for (Deployment p : pending) {
        sb.append(p.getMetadata().getName()).append(" ");
        List<Event> events = FeedbackUtils.getFailedEvents(kubernetesClient, p);
        if (!events.isEmpty()) {
            sb.append(" , due to:" + FeedbackUtils.normalize(events.get(0).getMessage()));
        }
    }
    return sb.toString();
}
 

import io.fabric8.kubernetes.api.model.extensions.Deployment; //导入依赖的package包/类
/**
 * Creates a Kubernetes deployment.
 *
 * @param deployment  the deployment to be created
 * @return  the unique identifier of the deployment
 * @throws VmidcException  if a K8s SDK specific exception is caught
 */
public String createDeployment(KubernetesDeployment deployment) throws VmidcException {
    if (deployment == null) {
        throw new IllegalArgumentException("The deployment should not be null");
    }

    try {
        Deployment newDeployment = new DeploymentBuilder()
                .withKind("Deployment")
                .withNewMetadata()
                .withName(deployment.getName())
                .endMetadata()
                .withNewSpec()
                .withReplicas(deployment.getDesiredReplicaCount())
                .withNewTemplate()
                .withNewMetadata()
                .addToLabels(OSC_DEPLOYMENT_LABEL_NAME, deployment.getName())
                .endMetadata()
                .withNewSpec()
                .addNewContainer()
                .withName(deployment.getName()).withImage(deployment.getContainerImageName())
                .endContainer()
                .endSpec()
                .endTemplate()
                .endSpec()
                .build();

        Deployment result = getKubernetesClient().extensions().deployments().inNamespace(deployment.getNamespace()).create(newDeployment);

        return result.getMetadata().getUid();

    } catch (KubernetesClientException e) {
        throw new VmidcException(String.format("Failed to create a deployment %s", e));
    }
}