use of io.kubernetes.client.openapi.models.V1Container 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();
}
}
use of io.kubernetes.client.openapi.models.V1Container in project java by kubernetes-client.
the class GenericClientExample method main.
public static void main(String[] args) throws Exception {
// The following codes demonstrates using generic client to manipulate pods
V1Pod pod = new V1Pod().metadata(new V1ObjectMeta().name("foo").namespace("default")).spec(new V1PodSpec().containers(Arrays.asList(new V1Container().name("c").image("test"))));
ApiClient apiClient = ClientBuilder.standard().build();
GenericKubernetesApi<V1Pod, V1PodList> podClient = new GenericKubernetesApi<>(V1Pod.class, V1PodList.class, "", "v1", "pods", apiClient);
V1Pod latestPod = podClient.create(pod).throwsApiException().getObject();
System.out.println("Created!");
V1Pod patchedPod = podClient.patch("default", "foo", V1Patch.PATCH_FORMAT_STRATEGIC_MERGE_PATCH, new V1Patch("{\"metadata\":{\"finalizers\":[\"example.io/foo\"]}}")).throwsApiException().getObject();
System.out.println("Patched!");
V1Pod deletedPod = podClient.delete("default", "foo").throwsApiException().getObject();
if (deletedPod != null) {
System.out.println("Received after-deletion status of the requested object, will be deleting in background!");
}
System.out.println("Deleted!");
}
use of io.kubernetes.client.openapi.models.V1Container in project java by kubernetes-client.
the class PodLogsTest method testNotFound.
@Test
public void testNotFound() throws ApiException, IOException {
V1Pod pod = new V1Pod().metadata(new V1ObjectMeta().name(podName).namespace(namespace)).spec(new V1PodSpec().containers(Arrays.asList(new V1Container().name(container).image("nginx"))));
wireMockRule.stubFor(get(urlPathEqualTo("/api/v1/namespaces/" + namespace + "/pods/" + podName + "/log")).willReturn(aResponse().withStatus(404).withHeader("Content-Type", "text/plain").withBody("Not Found")));
PodLogs logs = new PodLogs(client);
boolean thrown = false;
try {
logs.streamNamespacedPodLog(pod);
} catch (ApiException ex) {
assertEquals(404, ex.getCode());
thrown = true;
}
assertEquals(thrown, true);
wireMockRule.verify(getRequestedFor(urlPathEqualTo("/api/v1/namespaces/" + namespace + "/pods/" + podName + "/log")).withQueryParam("container", equalTo(container)).withQueryParam("follow", equalTo("true")).withQueryParam("pretty", equalTo("false")).withQueryParam("previous", equalTo("false")).withQueryParam("timestamps", equalTo("false")));
}
use of io.kubernetes.client.openapi.models.V1Container in project java by kubernetes-client.
the class PodLogsTest method testStream.
@Test
public void testStream() throws ApiException, IOException {
V1Pod pod = new V1Pod().metadata(new V1ObjectMeta().name(podName).namespace(namespace)).spec(new V1PodSpec().containers(Arrays.asList(new V1Container().name(container).image("nginx"))));
String content = "this is some\n content for \n various logs \n done";
wireMockRule.stubFor(get(urlPathEqualTo("/api/v1/namespaces/" + namespace + "/pods/" + podName + "/log")).willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/plain").withBody(content)));
PodLogs logs = new PodLogs(client);
InputStream is = logs.streamNamespacedPodLog(pod);
wireMockRule.verify(getRequestedFor(urlPathEqualTo("/api/v1/namespaces/" + namespace + "/pods/" + podName + "/log")).withQueryParam("container", equalTo(container)).withQueryParam("follow", equalTo("true")).withQueryParam("pretty", equalTo("false")).withQueryParam("previous", equalTo("false")).withQueryParam("timestamps", equalTo("false")));
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Streams.copy(is, bos);
assertEquals(content, bos.toString());
}
use of io.kubernetes.client.openapi.models.V1Container in project twister2 by DSC-SPIDAL.
the class JobMasterRequestObject method constructPodTemplate.
/**
* construct pod template
*/
public static V1PodTemplateSpec constructPodTemplate() {
V1PodTemplateSpec template = new V1PodTemplateSpec();
V1ObjectMeta templateMetaData = new V1ObjectMeta();
HashMap<String, String> labels = KubernetesUtils.createJobLabels(jobID);
// job master pod
labels.put("t2-mp", jobID);
templateMetaData.setLabels(labels);
template.setMetadata(templateMetaData);
V1PodSpec podSpec = new V1PodSpec();
podSpec.setTerminationGracePeriodSeconds(0L);
ArrayList<V1Volume> volumes = new ArrayList<>();
V1Volume memoryVolume = new V1Volume();
memoryVolume.setName(KubernetesConstants.POD_MEMORY_VOLUME_NAME);
V1EmptyDirVolumeSource volumeSource1 = new V1EmptyDirVolumeSource();
volumeSource1.setMedium("Memory");
memoryVolume.setEmptyDir(volumeSource1);
volumes.add(memoryVolume);
// create it if the requested disk space is positive
if (JobMasterContext.volatileVolumeRequested(config)) {
double vSize = JobMasterContext.volatileVolumeSize(config);
V1Volume volatileVolume = RequestObjectBuilder.createVolatileVolume(vSize);
volumes.add(volatileVolume);
}
if (JobMasterContext.persistentVolumeRequested(config)) {
String claimName = jobID;
V1Volume persistentVolume = RequestObjectBuilder.createPersistentVolume(claimName);
volumes.add(persistentVolume);
}
podSpec.setVolumes(volumes);
ArrayList<V1Container> containers = new ArrayList<V1Container>();
containers.add(constructContainer());
podSpec.setContainers(containers);
template.setSpec(podSpec);
return template;
}
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