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  2. Orchestrating Batch Job Execution with Kubernetes Jobs

How do I orchestrate batch job execution with Kubernetes Jobs?

In this guide, we will demonstrate how to orchestrate batch job execution using Kubernetes Jobs with Pulumi. Kubernetes Jobs are used to manage the execution of a set of pods that perform a specific task and terminate upon completion. We will create a Kubernetes Job that runs a simple batch task using Pulumi.

Detailed Explanation

  1. Import Pulumi and Kubernetes Libraries: We start by importing the necessary Pulumi and Kubernetes libraries.
  2. Create a Kubernetes Job: Define a Kubernetes Job resource that specifies the batch task to be executed. This includes the container image, command to run, and other configurations.
  3. Deploy the Job: Use Pulumi to deploy the Kubernetes Job to your cluster.

Here is the complete Pulumi program to orchestrate batch job execution with Kubernetes Jobs:

import * as pulumi from "@pulumi/pulumi";
import * as k8s from "@pulumi/kubernetes";

// Define the Kubernetes Job
const job = new k8s.batch.v1.Job("batch-job", {
    metadata: {
        name: "batch-job",
    },
    spec: {
        template: {
            metadata: {
                name: "batch-job",
            },
            spec: {
                containers: [
                    {
                        name: "batch-job",
                        image: "busybox",
                        command: ["sh", "-c", "echo Hello, Kubernetes! && sleep 30"],
                    },
                ],
                restartPolicy: "Never",
            },
        },
        backoffLimit: 4,
    },
});

export const jobName = job.metadata.name;

Key Points

  • Pulumi and Kubernetes Libraries: We import the required libraries to interact with Kubernetes using Pulumi.
  • Kubernetes Job Resource: We create a Kubernetes Job resource with a specified container image and command to run. The job is configured to not restart the container upon completion.
  • Deployment: Pulumi is used to deploy the Kubernetes Job to the cluster.

Conclusion

In this guide, we demonstrated how to orchestrate batch job execution using Kubernetes Jobs with Pulumi. We defined a Kubernetes Job resource that runs a simple task and deployed it using Pulumi. This setup can be extended to run more complex batch tasks as needed.

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