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  2. Deploy the Debezium Connector on Kubernetes with TypeScript

How Do I Deploy the Debezium Connector on Kubernetes With TypeScript?

Introduction

This guide provides a comprehensive walkthrough for deploying the Debezium Connector Docker image on a Kubernetes cluster using Pulumi and TypeScript. Debezium is an open-source platform for change data capture, and this guide will help you set up a Kubernetes Deployment and Service to manage and expose the Debezium Connector.

Step-by-Step Deployment Process

Step 1: Create a Namespace

First, create a namespace to organize resources related to the Debezium Connector.

const namespace = new k8s.core.v1.Namespace("debezium-namespace", {
    metadata: { name: "debezium" },
});

Step 2: Define the Deployment

Next, define a Kubernetes Deployment to manage the Debezium Connector container. Set the appropriate labels, replicas, and container specifications.

const appLabels = { app: "debezium-connector" };
const deployment = new k8s.apps.v1.Deployment("debezium-deployment", {
    metadata: {
        namespace: namespace.metadata.name,
    },
    spec: {
        selector: { matchLabels: appLabels },
        replicas: 1,
        template: {
            metadata: { labels: appLabels },
            spec: {
                containers: [{
                    name: "debezium-connector",
                    image: "debezium/connect:latest",
                    ports: [{ containerPort: 8083 }],
                    env: [
                        { name: "BOOTSTRAP_SERVERS", value: "kafka:9092" },
                        { name: "GROUP_ID", value: "debezium" },
                        { name: "CONFIG_STORAGE_TOPIC", value: "my-connect-configs" },
                        { name: "OFFSET_STORAGE_TOPIC", value: "my-connect-offsets" },
                        { name: "STATUS_STORAGE_TOPIC", value: "my-connect-statuses" },
                    ],
                }],
            },
        },
    },
});

Step 3: Create a Service

To expose the Debezium Connector within the cluster, define a Service that maps to the Deployment.

const service = new k8s.core.v1.Service("debezium-service", {
    metadata: {
        namespace: namespace.metadata.name,
        labels: appLabels,
    },
    spec: {
        type: "ClusterIP",
        ports: [{ port: 8083, targetPort: 8083 }],
        selector: appLabels,
    },
});

Step 4: Export the Service URL

Finally, export the URL for accessing the Debezium Connector service.

export const debeziumServiceUrl = pulumi.interpolate`http://${service.metadata.name}.${namespace.metadata.name}.svc.cluster.local:8083`;

Key Points

  • Namespace Creation: Organized resources with a dedicated namespace for the Debezium Connector.
  • Deployment Definition: Configured a Deployment to manage the Debezium Connector Docker image.
  • Service Exposure: Created a Service to expose the Debezium Connector for internal cluster access.

Conclusion

By following the steps outlined in this guide, you have successfully deployed the Debezium Connector on a Kubernetes cluster using Pulumi and TypeScript. This setup allows for efficient management and exposure of the Debezium Connector, facilitating change data capture in your applications.

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