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0e71f7e565
* Updating the `terraform-provider-ct` plugin is known to produce a `user_data` diff in all pre-existing clusters. Applying the diff to pre-existing cluster destroys controller nodes * Ignore changes to controller `user_data`. Once all managed clusters use a release containing this change, it is possible to update the `terraform-provider-ct` plugin (worker `user_data` will still be modified) * Changing the module `ref` for an existing cluster and re-applying is still NOT supported (although this PR would protect controllers from being destroyed)
73 lines
1.7 KiB
HCL
73 lines
1.7 KiB
HCL
# Worker DNS records
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resource "digitalocean_record" "workers-record-a" {
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count = "${var.worker_count}"
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# DNS zone where record should be created
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domain = "${var.dns_zone}"
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name = "${var.cluster_name}-workers"
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type = "A"
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ttl = 300
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value = "${element(digitalocean_droplet.workers.*.ipv4_address, count.index)}"
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}
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resource "digitalocean_record" "workers-record-aaaa" {
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count = "${var.worker_count}"
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# DNS zone where record should be created
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domain = "${var.dns_zone}"
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name = "${var.cluster_name}-workers"
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type = "AAAA"
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ttl = 300
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value = "${element(digitalocean_droplet.workers.*.ipv6_address, count.index)}"
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}
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# Worker droplet instances
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resource "digitalocean_droplet" "workers" {
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count = "${var.worker_count}"
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name = "${var.cluster_name}-worker-${count.index}"
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region = "${var.region}"
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image = "${var.image}"
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size = "${var.worker_type}"
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# network
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ipv6 = true
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private_networking = true
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user_data = "${data.ct_config.worker-ignition.rendered}"
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ssh_keys = ["${var.ssh_fingerprints}"]
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tags = [
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"${digitalocean_tag.workers.id}",
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]
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lifecycle {
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create_before_destroy = true
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}
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}
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# Tag to label workers
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resource "digitalocean_tag" "workers" {
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name = "${var.cluster_name}-worker"
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}
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# Worker Ignition config
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data "ct_config" "worker-ignition" {
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content = "${data.template_file.worker-config.rendered}"
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pretty_print = false
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snippets = ["${var.worker_clc_snippets}"]
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}
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# Worker Container Linux config
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data "template_file" "worker-config" {
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template = "${file("${path.module}/cl/worker.yaml.tmpl")}"
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vars = {
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k8s_dns_service_ip = "${cidrhost(var.service_cidr, 10)}"
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cluster_domain_suffix = "${var.cluster_domain_suffix}"
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}
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}
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