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Support Container Linux Config snippets on bare-metal

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This commit is contained in:
Dalton Hubble
2018-07-25 22:44:07 -07:00
parent ec5ea51141
commit 4e7dfc115d
5 changed files with 104 additions and 4 deletions
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45
bare-metal/container-linux/kubernetes/profiles.tf
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@ -118,9 +118,18 @@ resource "matchbox_profile" "flatcar-install" {
resource "matchbox_profile" "controllers" {
count = "${length(var.controller_names)}"
name = "${format("%s-controller-%s", var.cluster_name, element(var.controller_names, count.index))}"
container_linux_config = "${element(data.template_file.controller-configs.*.rendered, count.index)}"
raw_ignition = "${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
# Must use direct lookup. Cannot use lookup(map, key) since it only works for flat maps
snippets = ["${local.controller_clc_map[element(var.controller_names, count.index)]}"]
}
data "template_file" "controller-configs" {
count = "${length(var.controller_names)}"
@ -143,7 +152,16 @@ data "template_file" "controller-configs" {
resource "matchbox_profile" "workers" {
count = "${length(var.worker_names)}"
name = "${format("%s-worker-%s", var.cluster_name, element(var.worker_names, count.index))}"
container_linux_config = "${element(data.template_file.worker-configs.*.rendered, count.index)}"
raw_ignition = "${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
# Must use direct lookup. Cannot use lookup(map, key) since it only works for flat maps
snippets = ["${local.worker_clc_map[element(var.worker_names, count.index)]}"]
}
data "template_file" "worker-configs" {
@ -161,3 +179,26 @@ data "template_file" "worker-configs" {
networkd_content = "${length(var.worker_networkds) == 0 ? "" : element(concat(var.worker_networkds, list("")), count.index)}"
}
}
locals {
# Hack to workaround https://github.com/hashicorp/terraform/issues/17251
# Default CLC snippets map every worker to list("\n") so all lookups succeed
controller_clc_default = "${zipmap(var.controller_names, chunklist(data.template_file.controller-clc-snippets.*.rendered, 1))}"
worker_clc_default = "${zipmap(var.worker_names, chunklist(data.template_file.worker-clc-snippets.*.rendered, 1))}"
# Union of the default and user specific snippets, later overrides prior.
controller_clc_map = "${merge(local.controller_clc_default, var.controller_clc_snippets)}"
worker_clc_map = "${merge(local.worker_clc_default, var.worker_clc_snippets)}"
}
// Horrible hack to generate a Terraform list of controller count length
data "template_file" "controller-clc-snippets" {
count = "${length(var.controller_names)}"
template = "\n"
}
// Horrible hack to generate a Terraform list of worker count length
data "template_file" "worker-clc-snippets" {
count = "${length(var.worker_names)}"
template = "\n"
}