use of io.kubernetes.client.openapi.models.V1DeploymentBuilder 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();
}
}
Aggregations