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5b9dab6659
* Define bare-metal `controllers` and `workers` as a complex type
list(object{name=string, mac=string, domain=string}) to allow
clusters with many machines to be defined more cleanly
* Remove `controller_names` list variable
* Remove `controller_macs` list variable
* Remove `controller_domains` list variable
* Remove `worker_names` list variable
* Remove `worker_macs` list variable
* Remove `worker_domains` list variable
214 lines
8.0 KiB
HCL
214 lines
8.0 KiB
HCL
locals {
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# coreos-stable -> coreos flavor, stable channel
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# flatcar-stable -> flatcar flavor, stable channel
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flavor = split("-", var.os_channel)[0]
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channel = split("-", var.os_channel)[1]
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}
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// Container Linux Install profile (from release.core-os.net)
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resource "matchbox_profile" "container-linux-install" {
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count = length(var.controllers) + length(var.workers)
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name = format("%s-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
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kernel = "${var.download_protocol}://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe.vmlinuz"
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initrd = [
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"${var.download_protocol}://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe_image.cpio.gz",
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]
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args = flatten([
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"initrd=coreos_production_pxe_image.cpio.gz",
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"coreos.config.url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
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"coreos.first_boot=yes",
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"console=tty0",
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"console=ttyS0",
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var.kernel_args,
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])
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container_linux_config = data.template_file.container-linux-install-configs.*.rendered[count.index]
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}
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data "template_file" "container-linux-install-configs" {
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count = length(var.controllers) + length(var.workers)
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template = file("${path.module}/cl/install.yaml.tmpl")
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vars = {
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os_flavor = local.flavor
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os_channel = local.channel
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os_version = var.os_version
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ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
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install_disk = var.install_disk
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ssh_authorized_key = var.ssh_authorized_key
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# only cached-container-linux profile adds -b baseurl
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baseurl_flag = ""
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}
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}
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// Container Linux Install profile (from matchbox /assets cache)
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// Note: Admin must have downloaded os_version into matchbox assets/coreos.
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resource "matchbox_profile" "cached-container-linux-install" {
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count = length(var.controllers) + length(var.workers)
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name = format("%s-cached-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
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kernel = "/assets/coreos/${var.os_version}/coreos_production_pxe.vmlinuz"
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initrd = [
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"/assets/coreos/${var.os_version}/coreos_production_pxe_image.cpio.gz",
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]
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args = flatten([
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"initrd=coreos_production_pxe_image.cpio.gz",
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"coreos.config.url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
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"coreos.first_boot=yes",
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"console=tty0",
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"console=ttyS0",
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var.kernel_args,
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])
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container_linux_config = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
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}
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data "template_file" "cached-container-linux-install-configs" {
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count = length(var.controllers) + length(var.workers)
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template = file("${path.module}/cl/install.yaml.tmpl")
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vars = {
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os_flavor = local.flavor
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os_channel = local.channel
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os_version = var.os_version
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ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
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install_disk = var.install_disk
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ssh_authorized_key = var.ssh_authorized_key
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# profile uses -b baseurl to install from matchbox cache
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baseurl_flag = "-b ${var.matchbox_http_endpoint}/assets/${local.flavor}"
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}
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}
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// Flatcar Linux install profile (from release.flatcar-linux.net)
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resource "matchbox_profile" "flatcar-install" {
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count = length(var.controllers) + length(var.workers)
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name = format("%s-flatcar-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
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kernel = "${var.download_protocol}://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe.vmlinuz"
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initrd = [
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"${var.download_protocol}://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
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]
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args = flatten([
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"initrd=flatcar_production_pxe_image.cpio.gz",
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"flatcar.config.url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
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"flatcar.first_boot=yes",
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"console=tty0",
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"console=ttyS0",
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var.kernel_args,
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])
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container_linux_config = data.template_file.container-linux-install-configs.*.rendered[count.index]
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}
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// Flatcar Linux Install profile (from matchbox /assets cache)
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// Note: Admin must have downloaded os_version into matchbox assets/flatcar.
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resource "matchbox_profile" "cached-flatcar-linux-install" {
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count = length(var.controllers) + length(var.workers)
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name = format("%s-cached-flatcar-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
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kernel = "/assets/flatcar/${var.os_version}/flatcar_production_pxe.vmlinuz"
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initrd = [
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"/assets/flatcar/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
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]
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args = flatten([
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"initrd=flatcar_production_pxe_image.cpio.gz",
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"flatcar.config.url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
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"flatcar.first_boot=yes",
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"console=tty0",
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"console=ttyS0",
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var.kernel_args,
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])
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container_linux_config = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
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}
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// Kubernetes Controller profiles
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resource "matchbox_profile" "controllers" {
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count = length(var.controllers)
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name = format("%s-controller-%s", var.cluster_name, var.controllers.*.name[count.index])
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raw_ignition = data.ct_config.controller-ignitions.*.rendered[count.index]
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}
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data "ct_config" "controller-ignitions" {
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count = length(var.controllers)
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content = data.template_file.controller-configs.*.rendered[count.index]
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pretty_print = false
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snippets = local.clc_map[var.controllers.*.name[count.index]]
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}
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data "template_file" "controller-configs" {
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count = length(var.controllers)
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template = file("${path.module}/cl/controller.yaml.tmpl")
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vars = {
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domain_name = var.controllers.*.domain[count.index]
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etcd_name = var.controllers.*.name[count.index]
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etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controllers.*.name, var.controllers.*.domain))
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cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
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cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
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cluster_domain_suffix = var.cluster_domain_suffix
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ssh_authorized_key = var.ssh_authorized_key
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}
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}
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// Kubernetes Worker profiles
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resource "matchbox_profile" "workers" {
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count = length(var.workers)
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name = format("%s-worker-%s", var.cluster_name, var.workers.*.name[count.index])
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raw_ignition = data.ct_config.worker-ignitions.*.rendered[count.index]
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}
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data "ct_config" "worker-ignitions" {
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count = length(var.workers)
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content = data.template_file.worker-configs.*.rendered[count.index]
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pretty_print = false
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snippets = local.clc_map[var.workers.*.name[count.index]]
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}
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data "template_file" "worker-configs" {
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count = length(var.workers)
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template = file("${path.module}/cl/worker.yaml.tmpl")
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vars = {
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domain_name = var.workers.*.domain[count.index]
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cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
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cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
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cluster_domain_suffix = var.cluster_domain_suffix
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ssh_authorized_key = var.ssh_authorized_key
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}
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}
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locals {
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# Hack to workaround https://github.com/hashicorp/terraform/issues/17251
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# Still an issue in Terraform v0.12 https://github.com/hashicorp/terraform/issues/20572
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# Default Container Linux config snippets map every node names to list("\n") so
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# all lookups succeed
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clc_defaults = zipmap(
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concat(var.controllers.*.name, var.workers.*.name),
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chunklist(data.template_file.clc-default-snippets.*.rendered, 1),
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)
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# Union of the default and user specific snippets, later overrides prior.
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clc_map = merge(local.clc_defaults, var.clc_snippets)
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}
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// Horrible hack to generate a Terraform list of node count length
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data "template_file" "clc-default-snippets" {
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count = length(var.controllers) + length(var.workers)
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template = "\n"
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}
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