Examples with AppsV1Api io.kubernetes.client.openapi.apis.AppsV1Api used on opensource projects

Example 1 with AppsV1Api

use of io.kubernetes.client.openapi.apis.AppsV1Api in project pravega by pravega.

the class K8sClient method createDeployment.

/**
 * Create a deployment on KUBERNETES, if the deployment is already present then it is ignored.
 * @param namespace Namespace.
 * @param deploy Deployment object.
 * @return A future which represents the creation of the Deployment.
 */
@SneakyThrows(ApiException.class)
public CompletableFuture<V1Deployment> createDeployment(final String namespace, final V1Deployment deploy) {
    AppsV1Api api = new AppsV1Api();
    K8AsyncCallback<V1Deployment> callback = new K8AsyncCallback<>("deployment-" + deploy.getMetadata().getName());
    api.createNamespacedDeploymentAsync(namespace, deploy, PRETTY_PRINT, DRY_RUN, FIELD_MANAGER, callback);
    return exceptionallyExpecting(callback.getFuture(), isConflict, null);
}

Example 2 with AppsV1Api

use of io.kubernetes.client.openapi.apis.AppsV1Api in project pravega by pravega.

the class K8sClient method getDeploymentStatus.

/**
 * Fetch the deployment status.
 * @param deploymentName Name of the deployment
 * @param namespace Namespace where the deployment exists.
 * @return Future representing the Deployement.
 */
@SneakyThrows(ApiException.class)
public CompletableFuture<V1Deployment> getDeploymentStatus(final String deploymentName, final String namespace) {
    AppsV1Api api = new AppsV1Api();
    K8AsyncCallback<V1Deployment> callback = new K8AsyncCallback<>("readNamespacedDeployment-" + deploymentName);
    api.readNamespacedDeploymentStatusAsync(deploymentName, namespace, PRETTY_PRINT, callback);
    return callback.getFuture();
}

Example 3 with AppsV1Api

use of io.kubernetes.client.openapi.apis.AppsV1Api in project java by kubernetes-client.

the class PatchExample method main.

public static void main(String[] args) throws IOException {
    try {
        AppsV1Api api = new AppsV1Api(ClientBuilder.standard().build());
        V1Deployment body = Configuration.getDefaultApiClient().getJSON().deserialize(jsonDeploymentStr, V1Deployment.class);
        // create a deployment
        V1Deployment deploy1 = api.createNamespacedDeployment("default", body, null, null, null, null);
        System.out.println("original deployment" + deploy1);
        // json-patch a deployment
        V1Deployment deploy2 = PatchUtils.patch(V1Deployment.class, () -> api.patchNamespacedDeploymentCall("hello-node", "default", new V1Patch(jsonPatchStr), null, null, null, // field-manager is optional
        null, null, null), V1Patch.PATCH_FORMAT_JSON_PATCH, api.getApiClient());
        System.out.println("json-patched deployment" + deploy2);
        // strategic-merge-patch a deployment
        V1Deployment deploy3 = PatchUtils.patch(V1Deployment.class, () -> api.patchNamespacedDeploymentCall("hello-node", "default", new V1Patch(strategicMergePatchStr), null, null, // field-manager is optional
        null, null, null, null), V1Patch.PATCH_FORMAT_STRATEGIC_MERGE_PATCH, api.getApiClient());
        System.out.println("strategic-merge-patched deployment" + deploy3);
        // apply-yaml a deployment, server side apply is available by default after kubernetes v1.16
        // or opt-in by turning on the feature gate for v1.14 or v1.15.
        // https://kubernetes.io/docs/reference/using-api/api-concepts/#server-side-apply
        V1Deployment deploy4 = PatchUtils.patch(V1Deployment.class, () -> api.patchNamespacedDeploymentCall("hello-node", "default", new V1Patch(applyYamlStr), null, null, // field-manager is required for server-side apply
        "example-field-manager", null, true, null), V1Patch.PATCH_FORMAT_APPLY_YAML, api.getApiClient());
        System.out.println("application/apply-patch+yaml deployment" + deploy4);
    } catch (ApiException e) {
        System.out.println(e.getResponseBody());
        e.printStackTrace();
    }
}

Example 4 with AppsV1Api

use of io.kubernetes.client.openapi.apis.AppsV1Api in project java by kubernetes-client.

the class DeployRolloutRestartExample method main.

public static void main(String[] args) throws IOException, ApiException {
    ApiClient client = Config.defaultClient();
    Configuration.setDefaultApiClient(client);
    AppsV1Api appsV1Api = new AppsV1Api(client);
    String deploymentName = "example-nginx";
    String imageName = "nginx:1.21.6";
    String namespace = "default";
    // Create an example deployment
    V1DeploymentBuilder deploymentBuilder = new V1DeploymentBuilder().withApiVersion("apps/v1").withKind("Deployment").withMetadata(new V1ObjectMeta().name(deploymentName).namespace(namespace)).withSpec(new V1DeploymentSpec().replicas(1).selector(new V1LabelSelector().putMatchLabelsItem("name", deploymentName)).template(new V1PodTemplateSpec().metadata(new V1ObjectMeta().putLabelsItem("name", deploymentName)).spec(new V1PodSpec().containers(Collections.singletonList(new V1Container().name(deploymentName).image(imageName))))));
    appsV1Api.createNamespacedDeployment(namespace, deploymentBuilder.build(), null, null, null, null);
    // Wait until example deployment is ready
    Wait.poll(Duration.ofSeconds(3), Duration.ofSeconds(60), () -> {
        try {
            System.out.println("Waiting until example deployment is ready...");
            return appsV1Api.readNamespacedDeployment(deploymentName, namespace, null).getStatus().getReadyReplicas() > 0;
        } catch (ApiException e) {
            e.printStackTrace();
            return false;
        }
    });
    System.out.println("Created example deployment!");
    // Trigger a rollout restart of the example deployment
    V1Deployment runningDeployment = appsV1Api.readNamespacedDeployment(deploymentName, namespace, null);
    // Explicitly set "restartedAt" annotation with current date/time to trigger rollout when patch
    // is applied
    runningDeployment.getSpec().getTemplate().getMetadata().putAnnotationsItem("kubectl.kubernetes.io/restartedAt", LocalDateTime.now().toString());
    try {
        String deploymentJson = client.getJSON().serialize(runningDeployment);
        PatchUtils.patch(V1Deployment.class, () -> appsV1Api.patchNamespacedDeploymentCall(deploymentName, namespace, new V1Patch(deploymentJson), null, null, "kubectl-rollout", null, null, null), V1Patch.PATCH_FORMAT_STRATEGIC_MERGE_PATCH, client);
        // Wait until deployment has stabilized after rollout restart
        Wait.poll(Duration.ofSeconds(3), Duration.ofSeconds(60), () -> {
            try {
                System.out.println("Waiting until example deployment restarted successfully...");
                return appsV1Api.readNamespacedDeployment(deploymentName, namespace, null).getStatus().getReadyReplicas() > 0;
            } catch (ApiException e) {
                e.printStackTrace();
                return false;
            }
        });
        System.out.println("Example deployment restarted successfully!");
    } catch (ApiException e) {
        e.printStackTrace();
    }
}

Example 5 with AppsV1Api

use of io.kubernetes.client.openapi.apis.AppsV1Api in project java by kubernetes-client.

the class ExpandedExample method scaleDeployment.

/**
 * Scale up/down the number of pod in Deployment
 *
 * @param deploymentName
 * @param numberOfReplicas
 * @throws ApiException
 */
public static void scaleDeployment(String deploymentName, int numberOfReplicas) throws ApiException {
    AppsV1Api appsV1Api = new AppsV1Api();
    appsV1Api.setApiClient(COREV1_API.getApiClient());
    V1DeploymentList listNamespacedDeployment = appsV1Api.listNamespacedDeployment(DEFAULT_NAME_SPACE, null, null, null, null, null, null, null, null, null, Boolean.FALSE);
    List<V1Deployment> appsV1DeploymentItems = listNamespacedDeployment.getItems();
    Optional<V1Deployment> findedDeployment = appsV1DeploymentItems.stream().filter((V1Deployment deployment) -> deployment.getMetadata().getName().equals(deploymentName)).findFirst();
    findedDeployment.ifPresent((V1Deployment deploy) -> {
        try {
            V1DeploymentSpec newSpec = deploy.getSpec().replicas(numberOfReplicas);
            V1Deployment newDeploy = deploy.spec(newSpec);
            appsV1Api.replaceNamespacedDeployment(deploymentName, DEFAULT_NAME_SPACE, newDeploy, null, null, null, null);
        } catch (ApiException ex) {
            LOGGER.warn("Scale the pod failed for Deployment:" + deploymentName, ex);
        }
    });
}