Add support for Flatcar Linux bare-metal cached_install
* Support bare-metal cached_install=true mode with Flatcar Linux where assets are fetched from the Matchbox assets cache instead of from the upstream Flatcar download server * Skipped in original Flatcar support to keep it simple https://github.com/poseidon/typhoon/pull/209
This commit is contained in:
Michael Schubert
Dalton Hubble
parent
9b6113a058
commit
d10620fb58
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@ -20,6 +20,10 @@ Notable changes between versions.
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* Remove admin_password field (disabled) since it is now optional
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* Require `terraform-provider-azurerm` v1.16+ (action required)
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#### Bare-Metal
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* Add support for `cached_install` mode with Flatcar Linux ([#315](https://github.com/poseidon/typhoon/pull/315))
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#### DigitalOcean
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* Require `terraform-provider-digitalocean` v1.0+ (action required)
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@ -3,7 +3,7 @@ resource "matchbox_group" "install" {
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name = "${format("install-%s", element(concat(var.controller_names, var.worker_names), count.index))}"
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profile = "${local.flavor == "flatcar" ? element(matchbox_profile.flatcar-install.*.name, count.index) : var.cached_install == "true" ? element(matchbox_profile.cached-container-linux-install.*.name, count.index) : element(matchbox_profile.container-linux-install.*.name, count.index)}"
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profile = "${local.flavor == "flatcar" ? var.cached_install == "true" ? element(matchbox_profile.cached-flatcar-linux-install.*.name, count.index) : element(matchbox_profile.flatcar-install.*.name, count.index) : var.cached_install == "true" ? element(matchbox_profile.cached-container-linux-install.*.name, count.index) : element(matchbox_profile.container-linux-install.*.name, count.index)}"
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selector {
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mac = "${element(concat(var.controller_macs, var.worker_macs), count.index)}"
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@ -49,7 +49,7 @@ data "template_file" "container-linux-install-configs" {
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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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// 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 = "${length(var.controller_names) + length(var.worker_names)}"
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name = "${format("%s-cached-container-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))}"
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@ -87,7 +87,7 @@ data "template_file" "cached-container-linux-install-configs" {
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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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baseurl_flag = "-b ${var.matchbox_http_endpoint}/assets/${local.flavor}"
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}
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}
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@ -114,6 +114,30 @@ resource "matchbox_profile" "flatcar-install" {
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container_linux_config = "${element(data.template_file.container-linux-install-configs.*.rendered, count.index)}"
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}
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// Flatcar Linux Install profile (from matchbox /assets cache)
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// Note: Admin must have downloaded os_version into matchbox assets/flatcar.
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resource "matchbox_profile" "cached-flatcar-linux-install" {
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count = "${length(var.controller_names) + length(var.worker_names)}"
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name = "${format("%s-cached-flatcar-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))}"
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kernel = "/assets/flatcar/${var.os_version}/flatcar_production_pxe.vmlinuz"
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initrd = [
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"/assets/flatcar/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
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]
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args = [
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"initrd=flatcar_production_pxe_image.cpio.gz",
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"flatcar.config.url=${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.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.controller_names)}"
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@ -377,7 +377,7 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
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| Name | Description | Default | Example |
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|:-----|:------------|:--------|:--------|
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| cached_install | Whether machines should PXE boot and install from the Matchbox `/assets` cache. Admin MUST have downloaded Container Linux images into the cache to use this (coreos only for now) | false | true |
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| cached_install | PXE boot and install from the Matchbox `/assets` cache. Admin MUST have downloaded Container Linux or Flatcar images into the cache | false | true |
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| install_disk | Disk device where Container Linux should be installed | "/dev/sda" | "/dev/sdb" |
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| networking | Choice of networking provider | "calico" | "calico" or "flannel" |
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| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
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