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

214 lines
8.0 KiB
HCL

locals {
# coreos-stable -> coreos flavor, stable channel
# flatcar-stable -> flatcar flavor, stable channel
flavor = split("-", var.os_channel)[0]
channel = split("-", var.os_channel)[1]
}
// Container Linux Install profile (from release.core-os.net)
resource "matchbox_profile" "container-linux-install" {
count = length(var.controllers) + length(var.workers)
name = format("%s-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[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 = data.template_file.container-linux-install-configs.*.rendered[count.index]
}
data "template_file" "container-linux-install-configs" {
count = length(var.controllers) + length(var.workers)
template = file("${path.module}/cl/install.yaml")
vars = {
os_flavor = local.flavor
os_channel = local.channel
os_version = var.os_version
ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
install_disk = var.install_disk
ssh_authorized_key = var.ssh_authorized_key
# only cached-container-linux profile adds -b baseurl
baseurl_flag = ""
}
}
// Container Linux Install profile (from matchbox /assets cache)
// Note: Admin must have downloaded os_version into matchbox assets/coreos.
resource "matchbox_profile" "cached-container-linux-install" {
count = length(var.controllers) + length(var.workers)
name = format("%s-cached-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
kernel = "/assets/coreos/${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 = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
}
data "template_file" "cached-container-linux-install-configs" {
count = length(var.controllers) + length(var.workers)
template = file("${path.module}/cl/install.yaml")
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
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.controllers) + length(var.workers)
name = format("%s-flatcar-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[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 = 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.controllers) + length(var.workers)
name = format("%s-cached-flatcar-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[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 = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
}
// Kubernetes Controller profiles
resource "matchbox_profile" "controllers" {
count = length(var.controllers)
name = format("%s-controller-%s", var.cluster_name, var.controllers.*.name[count.index])
raw_ignition = data.ct_config.controller-ignitions.*.rendered[count.index]
}
data "ct_config" "controller-ignitions" {
count = length(var.controllers)
content = data.template_file.controller-configs.*.rendered[count.index]
pretty_print = false
snippets = local.clc_map[var.controllers.*.name[count.index]]
}
data "template_file" "controller-configs" {
count = length(var.controllers)
template = file("${path.module}/cl/controller.yaml")
vars = {
domain_name = var.controllers.*.domain[count.index]
etcd_name = var.controllers.*.name[count.index]
etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controllers.*.name, var.controllers.*.domain))
cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
cluster_domain_suffix = var.cluster_domain_suffix
ssh_authorized_key = var.ssh_authorized_key
}
}
// Kubernetes Worker profiles
resource "matchbox_profile" "workers" {
count = length(var.workers)
name = format("%s-worker-%s", var.cluster_name, var.workers.*.name[count.index])
raw_ignition = data.ct_config.worker-ignitions.*.rendered[count.index]
}
data "ct_config" "worker-ignitions" {
count = length(var.workers)
content = data.template_file.worker-configs.*.rendered[count.index]
pretty_print = false
snippets = local.clc_map[var.workers.*.name[count.index]]
}
data "template_file" "worker-configs" {
count = length(var.workers)
template = file("${path.module}/cl/worker.yaml")
vars = {
domain_name = var.workers.*.domain[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.controllers.*.name, var.workers.*.name),
chunklist(data.template_file.clc-default-snippets.*.rendered, 1),
)
# 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.controllers) + length(var.workers)
template = "\n"
}