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* Requires poseidon v0.11+ and Flatcar Linux 3185.0.0+ (action required) * Previously, Flatcar Linux configs have been parsed as Container Linux Configs to Ignition v2.2.0 specs by poseidon/ct * Flatcar Linux starting in 3185.0.0 now supports Ignition v3.x specs (which are rendered from Butane Configs, like Fedora CoreOS) * poseidon/ct v0.11.0 adds support for the flatcar Butane Config variant so that Flatcar Linux can use Ignition v3.x Rel: * [Flatcar Support](https://flatcar-linux.org/docs/latest/provisioning/ignition/specification/#ignition-v3) * [poseidon/ct support](https://github.com/poseidon/terraform-provider-ct/pull/131)
124 lines
4.9 KiB
HCL
124 lines
4.9 KiB
HCL
locals {
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# flatcar-stable -> stable channel
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channel = split("-", var.os_channel)[1]
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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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var.kernel_args,
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])
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raw_ignition = data.ct_config.install.*.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-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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var.kernel_args,
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])
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raw_ignition = data.ct_config.cached-install.*.rendered[count.index]
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}
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# Flatcar Linux install
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data "ct_config" "install" {
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count = length(var.controllers) + length(var.workers)
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content = templatefile("${path.module}/butane/install.yaml", {
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os_channel = local.channel
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os_version = var.os_version
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ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
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mac = concat(var.controllers.*.mac, var.workers.*.mac)[count.index]
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install_disk = var.install_disk
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ssh_authorized_key = var.ssh_authorized_key
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# only cached profile adds -b baseurl
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baseurl_flag = ""
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})
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strict = true
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}
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# Flatcar Linux cached install
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data "ct_config" "cached-install" {
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count = length(var.controllers) + length(var.workers)
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content = templatefile("${path.module}/butane/install.yaml", {
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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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mac = concat(var.controllers.*.mac, var.workers.*.mac)[count.index]
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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 ${var.matchbox_http_endpoint}/assets/flatcar"
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})
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strict = true
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}
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// Kubernetes Controller profiles
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resource "matchbox_profile" "controllers" {
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count = length(var.controllers)
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name = format("%s-controller-%s", var.cluster_name, var.controllers.*.name[count.index])
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raw_ignition = data.ct_config.controllers.*.rendered[count.index]
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}
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# Flatcar Linux controllers
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data "ct_config" "controllers" {
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count = length(var.controllers)
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content = templatefile("${path.module}/butane/controller.yaml", {
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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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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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strict = true
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snippets = lookup(var.snippets, var.controllers.*.name[count.index], [])
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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.workers.*.rendered[count.index]
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}
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# Flatcar Linux workers
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data "ct_config" "workers" {
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count = length(var.workers)
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content = templatefile("${path.module}/butane/worker.yaml", {
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domain_name = var.workers.*.domain[count.index]
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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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node_labels = join(",", lookup(var.worker_node_labels, var.workers.*.name[count.index], []))
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node_taints = join(",", lookup(var.worker_node_taints, var.workers.*.name[count.index], []))
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})
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strict = true
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snippets = lookup(var.snippets, var.workers.*.name[count.index], [])
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}
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