typhoon/bare-metal/container-linux/kubernetes/profiles.tf

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