simple

Kubernetes Guestbook (Simple Variant)

A version of the Kubernetes Guestbook application using Pulumi.

This is a straight port of the original YAML, and doesn't highlight advantages of using real languages. For an example using abstraction to cut down on boilerplate, please see the variant using components, also in this repo. It provisions the same set of resources.

Running the App

Follow the steps in Pulumi Installation and Kubernetes Setup to get Pulumi working with Kubernetes.

Install dependencies:

npm install

Create a new stack:

$ pulumi stack init
Enter a stack name: testbook

This example will attempt to expose the Guestbook application to the Internet with a Service of type LoadBalancer. Since minikube does not support LoadBalancer, the Guestbook application already knows to use type ClusterIP instead; all you need to do is to tell it whether you're deploying to minikube:

pulumi config set isMinikube <value>

Perform the deployment:

$ pulumi up
Updating stack 'testbook'
Performing changes:

     Type                           Name                Status      Info
 +   pulumi:pulumi:Stack            guestbook-testbook  created
 +   ├─ kubernetes:apps:Deployment  redis-leader        created
 +   ├─ kubernetes:apps:Deployment  frontend            created
 +   ├─ kubernetes:apps:Deployment  redis-replica       created
 +   ├─ kubernetes:core:Service     redis-leader        created     1 info message
 +   ├─ kubernetes:core:Service     redis-replica       created     1 info message
 +   └─ kubernetes:core:Service     frontend            created     2 info messages

---outputs:---
frontendIp: "35.232.147.18"

info: 7 changes performed:
    + 7 resources created
Update duration: 40.829381902s

Permalink: https://app.pulumi.com/hausdorff/testbook/updates/1

And finally - open the application in your browser to see the running application. If you're running macOS you can simply run:

open $(pulumi stack output frontendIp)

Note: minikube does not support type LoadBalancer; if you are deploying to minikube, make sure to run kubectl port-forward svc/frontend 8080:80 to forward the cluster port to the local machine and access the service via localhost:8080.