Infra as Code Lab: learn Terraform on Azure and provision an AKS cluster in one command.
Azure Kubernetes Service (AKS) manages your hosted Kubernetes environment. AKS allows you to deploy and manage containerized applications without container orchestration expertise. AKS also enables you to do many common maintenance operations without taking your app offline. These operations include provisioning, upgrading, and scaling resources on demand.
Using the Azure Portal you can create a cluster with few clicks, but it usually a better idea to keep the configuration for your cluster - and basically all infra - under source control.
If you accidentally delete your cluster or decide to provision a copy in another region, you can easily replicate the same configuration.
And if you're working as part of a team, source control gives you peace of mind. You know precisely why changes occurred and who made them.
💡By using Terraform to provision AKS Kubernetes clusters you can begin to both automate, but also now that you have captured it as a codified form, you can check it into version control and you get versioning.
This guide walks you through how to the following tasks:
- Learn HCL (HashiCorp Language) and Terraform best practices by doing
- Use Terraform and AKS to create a Kubernetes cluster
- Use the kubectl tool to test the availability of a Kubernetes cluster
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- You have basic knowledge of Azure
- Have basic knowledge of Kubernetes
- You have Terraform installed in your local machine
- Azure subscription: Sign up for an Azure account, if you don’t own one already. You will receive USD200 in free credits.
- Configure Terraform: Follow the directions in the article, Terraform and configure access to Azure
To create your Terraform-provisioned AKS cluster, you will typically follow these steps:
- Step1: Obtain the application source code
- Step2: Define an AKS Kubernetes cluster with Terraform
- Step3: Set up Azure storage to store Terraform state
- Step4: Create the Kubernetes cluster
- Step5: Test the Kubernetes cluster
- Step6: Monitoring and logs
- The first step is to obtain the source code from Github.
git clone https://github.com/AymenSegni/azure-aks-k8s-tf.git
cd azure-aks-k8s-tf
- Set up Azure storage to store Terraform state
- Create the Kubernetes cluster
terraform init
terraform validate
terraform plan
terraform apply
You can find the full guide in my Infra as Code lab on Run IT on Cloud