197 lines
7.9 KiB
HCL
197 lines
7.9 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 = "${element(split("-", var.os_channel), 0)}"
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channel = "${element(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 = "${length(var.controller_names) + length(var.worker_names)}"
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name = "${format("%s-container-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))}"
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kernel = "http://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe.vmlinuz"
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initrd = [
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"http://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe_image.cpio.gz",
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]
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args = [
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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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"${var.kernel_args}",
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]
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container_linux_config = "${element(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 = "${length(var.controller_names) + length(var.worker_names)}"
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template = "${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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container_linux_oem = "${var.container_linux_oem}"
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ssh_authorized_key = "${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.
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resource "matchbox_profile" "cached-container-linux-install" {
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count = "${length(var.controller_names) + length(var.worker_names)}"
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name = "${format("%s-cached-container-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), 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 = [
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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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"${var.kernel_args}",
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]
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container_linux_config = "${element(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 = "${length(var.controller_names) + length(var.worker_names)}"
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template = "${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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container_linux_oem = "${var.container_linux_oem}"
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ssh_authorized_key = "${var.ssh_authorized_key}"
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# profile uses -b baseurl to install from matchbox cache
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baseurl_flag = "-b ${var.matchbox_http_endpoint}/assets/coreos"
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}
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}
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// Flatcar Linux install profile (from release.flatcar-linux.net)
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resource "matchbox_profile" "flatcar-install" {
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count = "${length(var.controller_names) + length(var.worker_names)}"
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name = "${format("%s-flatcar-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))}"
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kernel = "http://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe.vmlinuz"
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initrd = [
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"http://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
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]
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args = [
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"initrd=flatcar_production_pxe_image.cpio.gz",
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"flatcar.config.url=${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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"${var.kernel_args}",
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]
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container_linux_config = "${element(data.template_file.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 = "${length(var.controller_names)}"
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name = "${format("%s-controller-%s", var.cluster_name, element(var.controller_names, count.index))}"
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raw_ignition = "${element(data.ct_config.controller-ignitions.*.rendered, count.index)}"
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}
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data "ct_config" "controller-ignitions" {
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count = "${length(var.controller_names)}"
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content = "${element(data.template_file.controller-configs.*.rendered, count.index)}"
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pretty_print = false
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# Must use direct lookup. Cannot use lookup(map, key) since it only works for flat maps
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snippets = ["${local.clc_map[element(var.controller_names, count.index)]}"]
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}
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data "template_file" "controller-configs" {
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count = "${length(var.controller_names)}"
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template = "${file("${path.module}/cl/controller.yaml.tmpl")}"
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vars {
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domain_name = "${element(var.controller_domains, count.index)}"
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etcd_name = "${element(var.controller_names, count.index)}"
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etcd_initial_cluster = "${join(",", formatlist("%s=https://%s:2380", var.controller_names, var.controller_domains))}"
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k8s_dns_service_ip = "${module.bootkube.kube_dns_service_ip}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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ssh_authorized_key = "${var.ssh_authorized_key}"
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# Terraform evaluates both sides regardless and element cannot be used on 0 length lists
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networkd_content = "${length(var.controller_networkds) == 0 ? "" : element(concat(var.controller_networkds, list("")), count.index)}"
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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 = "${length(var.worker_names)}"
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name = "${format("%s-worker-%s", var.cluster_name, element(var.worker_names, count.index))}"
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raw_ignition = "${element(data.ct_config.worker-ignitions.*.rendered, count.index)}"
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}
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data "ct_config" "worker-ignitions" {
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count = "${length(var.worker_names)}"
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content = "${element(data.template_file.worker-configs.*.rendered, count.index)}"
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pretty_print = false
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# Must use direct lookup. Cannot use lookup(map, key) since it only works for flat maps
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snippets = ["${local.clc_map[element(var.worker_names, count.index)]}"]
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}
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data "template_file" "worker-configs" {
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count = "${length(var.worker_names)}"
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template = "${file("${path.module}/cl/worker.yaml.tmpl")}"
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vars {
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domain_name = "${element(var.worker_domains, count.index)}"
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k8s_dns_service_ip = "${module.bootkube.kube_dns_service_ip}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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ssh_authorized_key = "${var.ssh_authorized_key}"
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# Terraform evaluates both sides regardless and element cannot be used on 0 length lists
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networkd_content = "${length(var.worker_networkds) == 0 ? "" : element(concat(var.worker_networkds, list("")), count.index)}"
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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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# 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 = "${zipmap(concat(var.controller_names, var.worker_names), chunklist(data.template_file.clc-default-snippets.*.rendered, 1))}"
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# Union of the default and user specific snippets, later overrides prior.
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clc_map = "${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.controller_names) + length(var.worker_names)}"
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template = "\n"
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}
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