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A Cloud Guru

Exposing Services in Kubernetes

With deployments, you can create a dynamically-managed set of replica pods. But this introduces a need for an equally dynamic way to access them. Services provide a layer of abstraction that provides access to pods and other entities, allowing dynamic, high-availability access to the necessary components of your applications. In this lab, you will have the opportunity to work with services by creating a service on top of an existing deployment.

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Path Info

Level

Intermediate

Duration

1h 0m

Published

Mar 31, 2019

Challenge

Create the `auth-svc` service
Examine the auth-deployment. Take note of the labels specified in the pod template, as well as the containerPort exposed by the containers.
```
kubectl get deployment auth-deployment -o yaml
```
Create a service descriptor file called auth-svc.yml.
```
apiVersion: v1
kind: Service
metadata:
  name: auth-svc
spec:
  type: NodePort
  selector:
    app: auth
  ports:
  - protocol: TCP
    port: 8080
    targetPort: 80
```
Create the service in the cluster.
```
kubectl apply -f auth-svc.yml
```
Challenge

Create the `data-svc` service
Examine the data-deployment. Take note of the labels specified in the pod template, as well as the containerPort exposed by the containers.
```
kubectl get deployment data-deployment -o yaml
```
Create a service descriptor file called data-svc.yml.
```
apiVersion: v1
kind: Service
metadata:
  name: data-svc
spec:
  type: ClusterIP
  selector:
    app: data
  ports:
  - protocol: TCP
    port: 8080
    targetPort: 80
```
Create the service in the cluster.
```
kubectl apply -f data-svc.yml
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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