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bare-metal: Ues Terraform templating for Container Linux configs

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* Template bare-metal Container Linux configs with Terraform's
(limited) template_file module. This allows rendering problems
to be identified during `terraform plan` and is favored over
using the Matchbox templating feature when the configs are
served to PXE booting nodes.
* Writes a Matchbox profile for each machine, which will be served
as-is. The effect is the same, each node gets provisioned with its
own Container Linux config.
This commit is contained in:
Dalton Hubble
2017-09-23 11:49:12 -07:00
parent cd368c123f
commit bca96bb124
4 changed files with 56 additions and 41 deletions
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44
bare-metal/container-linux/kubernetes/profiles.tf
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@ -67,14 +67,42 @@ data "template_file" "cached-container-linux-install-config" {
}
}
// Kubernetes Controller profile
resource "matchbox_profile" "controller" {
name = "controller"
container_linux_config = "${file("${path.module}/cl/controller.yaml.tmpl")}"
// 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))}"
container_linux_config = "${element(data.template_file.controller-configs.*.rendered, count.index)}"
}
// Kubernetes Worker profile
resource "matchbox_profile" "worker" {
name = "worker"
container_linux_config = "${file("${path.module}/cl/worker.yaml.tmpl")}"
data "template_file" "controller-configs" {
count = "${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 = "${join(",", formatlist("%s=https://%s:2380", var.controller_names, var.controller_domains))}"
k8s_dns_service_ip = "${module.bootkube.kube_dns_service_ip}"
ssh_authorized_key = "${var.ssh_authorized_key}"
}
}
// Kubernetes Worker profiles
resource "matchbox_profile" "workers" {
count = "${length(var.worker_names)}"
name = "${format("%s-worker-%s", var.cluster_name, element(var.worker_names, count.index))}"
container_linux_config = "${element(data.template_file.worker-configs.*.rendered, 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)}"
k8s_dns_service_ip = "${module.bootkube.kube_dns_service_ip}"
ssh_authorized_key = "${var.ssh_authorized_key}"
}
}