We will deploy the resources below using Terraform reusable modules utilizing the Azure landing zone concept, part of the Cloud Adoption Framework (CAF). In this setup, we are talking about only infra resources; if you are new to terraform, the same concept has been explained using the Azure Portal; I have spoken about Azure Management Groups and Subscription Planning in this link – Azure Management Groups and Subscriptions Design.
Azure landing zone design that accounts for scale, security governance, networking, and identity, which enables seamless application migration, modernization, and innovation at the enterprise scale in Azure. This approach considers all platform resources like infrastructure (Iaas) or platform as a service.
Benefits of Azure Landing Zones –
- Good Governance ( Like you can place a policy in the overall environment that no internet-exposing storage accounts can be provisioned)
- Security (Improved Security controls, Network segmentation, Identity management, Service Principals, Managed Identities)
- Scalability (Multi Datacenter or Improving the design with Virtual WAN should be seamless)
- Cost Savings (Segregated billing with subscriptions – Overall Control or like can apply Hybrid benefit using policies)
- Resources Provisioned –
1. Virtual Networks ( Hub – 10.50.0.0/16 – Spoke – 10.51.0.0/16)
2. VPN Gateway (10.50.1.0/24)
3. Apache Kafka in Azure HDInsight
4. Public IP Addresses
Head Nodes “10.51.1.0/24”
Worker Nodes = “10.51.2.0/24”
Zone Keeper Nodse = “10.51.3.0/24”
Modules are convenient to place into folders and reuse resource configurations with Terraform for multiple deployments.
Also, changing/upgrading specific resource configurations becomes easier.
Git Hub Repo link –
azure365pro/azure-hub-spoke-terraform (github.com)
Needed Resources –
- Terraform’s latest version is installed.
terraform -version
- az CLI is installed / az login is completed
az login
- Git is installed to clone the repository
Let’s clone the repository
git clone "https://github.com/azure365pro/azure-hub-spoke-terraform"
Get inside the repo
cd .\azure-hub-spoke-terraform\
Rename
main-kafka-example.tf to main-kafka.tf
uncomment the main-kafka.tf file
Remove
Run Terraform init to create a local tfstate
terraform init
Make sure you are running on the right subscription. If you have access to multiple subscriptions
terraform plan
Now terraform apply command is used to create the resources.
terraform apply
Now terraform destroy command is used to clean up the resources.
terraform destroy
Running the same with Azure DevOps Releases with Muti Stage Approvals
We utilize stages, triggers, approvers, and deployment options in release pipelines.
Verify Stage with run init / plan
Prod Stage with run init/plan / apply
