Expose flatcar-install OEM parameter

By exposing this parameter it is possible to install OEM specific software
during the `flatcar-install` invocation.

CHANGES.md

@@ -18,6 +18,7 @@ Notable changes between versions.
 ### Bare-Metal
 
 * Add a `worker` module to allow customizing individual worker nodes ([#1295](https://github.com/poseidon/typhoon/pull/1295))
+* Expose `-o OEM` parameter of `flatcar-install` script ([#1302](https://github.com/poseidon/typhoon/pull/1302))
 
 ### Known Issues
 

bare-metal/flatcar-linux/kubernetes/butane/install.yaml

@@ -35,6 +35,7 @@ storage:
             -d ${install_disk} \
             -C ${os_channel} \
             -V ${os_version} \
+            -o ${oem_type} \
             ${baseurl_flag} \
             -i ignition.json
           udevadm settle

bare-metal/flatcar-linux/kubernetes/profiles.tf

@@ -55,6 +55,7 @@ data "ct_config" "install" {
     mac                = concat(var.controllers.*.mac, var.workers.*.mac)[count.index]
     install_disk       = var.install_disk
     ssh_authorized_key = var.ssh_authorized_key
+    oem_type           = var.oem_type
     # only cached profile adds -b baseurl
     baseurl_flag = var.cached_install ? "-b ${var.matchbox_http_endpoint}/assets/flatcar" : ""
   })

bare-metal/flatcar-linux/kubernetes/variables.tf

@@ -156,6 +156,17 @@ variable "enable_aggregation" {
   default     = true
 }
 
+variable "oem_type" {
+  type        = string
+  description = <<EOD
+An OEM type to install with flatcar-install. Find available types by looking for Flatcar image files
+ending in `image.bin.bz2`. The OEM identifier is contained in the filename.
+E.g., `flatcar_production_vmware_raw_image.bin.bz2` leads to `vmware_raw`.
+See: https://www.flatcar.org/docs/latest/installing/bare-metal/installing-to-disk/#choose-a-channel
+EOD
+  default     = ""
+}
+
 # unofficial, undocumented, unsupported
 
 variable "cluster_domain_suffix" {

bare-metal/flatcar-linux/kubernetes/worker/butane/install.yaml

@@ -35,6 +35,7 @@ storage:
             -d ${install_disk} \
             -C ${os_channel} \
             -V ${os_version} \
+            -o ${oem_type} \
             ${baseurl_flag} \
             -i ignition.json
           udevadm settle

bare-metal/flatcar-linux/kubernetes/worker/matchbox.tf

@@ -50,6 +50,7 @@ data "ct_config" "install" {
     mac                = var.mac
     install_disk       = var.install_disk
     ssh_authorized_key = var.ssh_authorized_key
+    oem_type           = var.oem_type
     # only cached profile adds -b baseurl
     baseurl_flag = var.cached_install ? "-b ${var.matchbox_http_endpoint}/assets/flatcar" : ""
   })

bare-metal/flatcar-linux/kubernetes/worker/variables.tf

@@ -98,6 +98,12 @@ variable "kernel_args" {
   default     = []
 }
 
+variable "oem_type" {
+  type        = string
+  default     = ""
+  description = "An OEM type to install with flatcar-install."
+}
+
 # unofficial, undocumented, unsupported
 
 variable "service_cidr" {

bare-metal/flatcar-linux/kubernetes/workers.tf

@@ -28,5 +28,6 @@ module "workers" {
   cached_install    = var.cached_install
   install_disk      = var.install_disk
   kernel_args       = var.kernel_args
+  oem_type          = var.oem_type
 }
 

docs/flatcar-linux/bare-metal.md

@@ -383,4 +383,4 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
 | kernel_args | Additional kernel args to provide at PXE boot | [] | ["kvm-intel.nested=1"] |
 | worker_node_labels | Map from worker name to list of initial node labels | {} | {"node2" = ["role=special"]} |
 | worker_node_taints | Map from worker name to list of initial node taints | {} | {"node2" = ["role=special:NoSchedule"]} |
-
+| oem_type | An OEM type to install with `flatcar-install`. | "" | "vmware_raw" |