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* Add a `coredns` variable to configure the CoreDNS manifests, with an `enable` field to determine whether CoreDNS manifests are applied to the cluster during provisioning (default true) * Add a `kube-proxy` variable to configure kube-proxy manifests, with an `enable` field to determine whether the kube-proxy Daemonset is applied to the cluster during provisioning (default true) * These optional allow for provisioning clusters without CoreDNS or kube-proxy, so these components can be customized or managed through separate plan/apply processes or automation
terraform-render-bootstrap
terraform-render-bootstrap is a Terraform module that renders TLS certificates, static pods, and manifests for bootstrapping a Kubernetes cluster.
Audience
terraform-render-bootstrap is a low-level component of the Typhoon Kubernetes distribution. Use Typhoon modules to create and manage Kubernetes clusters across supported platforms. Use the bootstrap module if you'd like to customize a Kubernetes control plane or build your own distribution.
Usage
Use the module to declare bootstrap assets. Check variables.tf for options and terraform.tfvars.example for examples.
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=SHA"
cluster_name = "example"
api_servers = ["node1.example.com"]
etcd_servers = ["node1.example.com"]
}
Generate assets in Terraform state.
terraform init
terraform plan
terraform apply
To inspect and write assets locally (e.g. debugging) use the assets_dist Terraform output.
resource local_file "assets" {
for_each = module.bootstrap.assets_dist
filename = "some-assets/${each.key}"
content = each.value
}