![]() You can learn more about the Let’s Encrypt challenge types here. ![]() To use the dns01 provider, you must already have a domain configured using Google CloudDNS. The ClusterIssuer has two solvers specified - http01 and dns01. The ingress module will deploy nginx-ingress using the helm provider, it will also deploy the cert-manager chart from the jetstack.io repository and create a ClusterIssuer using a local helm chart. This resource allows Terraform to manage the annotations for a resource that already exists. Once the cluster and deployments have been created successfully, terraform will provide outputs that can be used to access the cluster. If you’re happy with the output, run the apply command to create the resources: terraform apply -auto-approve Generate an execution plan to ensure the resources match your expectations: terraform plan Once, you’ve created a workspace, you can initialize: terraform init The module requires a workspace to be created in order to create any of the specified resources, to create a workspace run: terraform workspace new e.g. Using Terraform, you can provision clusters and deploy applications in the same apply operation. As a best practice, I utilize Terraform Workspaces, by creating a workspace per environment. The Terraform Helm provider allows you to deploy and manage your Kubernetes applications dynamically and securely. Install the latest version of the Terraform CLI as long as it’s newer than 0.12.25 the module will work. ![]() The module includes a terraform.tfvars file that can be modified to create a public GKE Cluster that restricts access by whitelisting any IPs specified in the master_ authorized_networks_config variable.Ĭlone my GitHub repository and switch to the GKE_Cluster_with_Nginx_Ingress directory. One of the benefits is that it will ensure certificates are valid and up to date, and attempt to renew certificates before they expire. Nginx Ingress is an Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer.Ĭert-Manager is a Kubernetes certificate management controller that can help with issuing certificates from a variety of sources, such as Let’s Encrypt, Hashicorp Vault, Venafi, a simple signing key pair, or a self signed Certificate. In this post, I will be sharing a terraform module that will create a GKE Cluster with 3 Nodes and then deploy Nginx Ingress, Cert-Manager, and a sample Wordpress deployment using the Terraform Kubernetes and Helm Providers. Terraform has become my go-to IaC tool because it’s AWESOME! and can be used to interact with a lot of API popular tools and services via their API. ![]()
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