Examples with V1beta2StatefulSetSpec io.kubernetes.client.models.V1beta2StatefulSetSpec used on opensource projects

Example 1 with V1beta2StatefulSetSpec

use of io.kubernetes.client.models.V1beta2StatefulSetSpec in project twister2 by DSC-SPIDAL.

the class KubernetesUtils method createStatefulSetObjectForJob.

/**
 * TBD: calculate containers per pod or issue error
 * when the numberOfContainers can not be divisible by the number of containersPerPod
 * @param jobName
 * @param resourceRequest
 * @return
 */
public static V1beta2StatefulSet createStatefulSetObjectForJob(String jobName, RequestedResources resourceRequest, long jobFileSize, Config config) {
    V1beta2StatefulSet statefulSet = new V1beta2StatefulSet();
    statefulSet.setApiVersion("apps/v1beta2");
    statefulSet.setKind("StatefulSet");
    // construct metadata and set for jobName setting
    V1ObjectMeta meta = new V1ObjectMeta();
    meta.setName(jobName);
    statefulSet.setMetadata(meta);
    // construct JobSpec and set
    V1beta2StatefulSetSpec setSpec = new V1beta2StatefulSetSpec();
    setSpec.serviceName(createServiceName(jobName));
    // pods will be started in parallel
    // by default they are started sequentially
    setSpec.setPodManagementPolicy("Parallel");
    // number of containers has to be divisible by the containersPerPod
    // all pods will have equal number of containers
    // all pods will be identical
    int containersPerPod = KubernetesContext.containersPerPod(config);
    if (resourceRequest.getNoOfContainers() % containersPerPod != 0) {
        LOG.log(Level.SEVERE, "Number of containers has to be divisible by containersPerPod.\n" + "Number of containers: " + resourceRequest.getNoOfContainers() + "\n" + "containersPerPod: " + containersPerPod + "\n" + "Aborting submission.");
        return null;
    }
    int numberOfPods = resourceRequest.getNoOfContainers() / containersPerPod;
    setSpec.setReplicas(numberOfPods);
    // add selector for the job
    V1LabelSelector selector = new V1LabelSelector();
    String serviceLabel = createServiceLabel(jobName);
    selector.putMatchLabelsItem("app", serviceLabel);
    setSpec.setSelector(selector);
    // construct the pod template
    V1PodTemplateSpec template = constructPodTemplate(resourceRequest.getContainer(), serviceLabel, jobFileSize, config);
    setSpec.setTemplate(template);
    statefulSet.setSpec(setSpec);
    return statefulSet;
}