Ignore controller user_data changes to allow plugin updates
* 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)
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@ -11,6 +11,8 @@ Notable changes between versions.
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* Update Calico from v3.2.3 to [v3.3.0](https://docs.projectcalico.org/v3.3/releases/)
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* Disable Kubelet read-only port ([#324](https://github.com/poseidon/typhoon/pull/324))
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* Fix CoreDNS AntiAffinity spec to prefer spreading replicas
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* Ignore controller node user-data changes ([#335](https://github.com/poseidon/typhoon/pull/335))
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* Once all managed clusters use v1.12.2, it is possible to update `terraform-provider-ct`
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#### AWS
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@ -29,7 +31,7 @@ Notable changes between versions.
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#### Google Cloud
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* Add an IPv6 address and IPv6 forwarding rules for load balancing IPv6 Ingress
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* Add an IPv6 address and IPv6 forwarding rules for load balancing IPv6 Ingress ([#334](https://github.com/poseidon/typhoon/pull/334))
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* Add `ingress_static_ipv6` output variable for use in AAAA DNS records
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* Allow serving IPv6 applications via Kubernetes Ingress
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@ -39,7 +39,10 @@ resource "aws_instance" "controllers" {
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vpc_security_group_ids = ["${aws_security_group.controller.id}"]
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lifecycle {
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ignore_changes = ["ami"]
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ignore_changes = [
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"ami",
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"user_data",
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]
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}
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}
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@ -39,7 +39,10 @@ resource "aws_instance" "controllers" {
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vpc_security_group_ids = ["${aws_security_group.controller.id}"]
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lifecycle {
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ignore_changes = ["ami"]
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ignore_changes = [
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"ami",
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"user_data",
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]
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}
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}
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@ -85,6 +85,7 @@ resource "azurerm_virtual_machine" "controllers" {
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lifecycle {
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ignore_changes = [
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"storage_os_disk",
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"os_profile",
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]
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}
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}
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@ -50,6 +50,12 @@ resource "digitalocean_droplet" "controllers" {
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tags = [
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"${digitalocean_tag.controllers.id}",
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]
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lifecycle {
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ignore_changes = [
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"user_data",
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]
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}
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}
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# Tag to label controllers
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@ -43,6 +43,10 @@ resource "digitalocean_droplet" "workers" {
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tags = [
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"${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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@ -50,6 +50,12 @@ resource "digitalocean_droplet" "controllers" {
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tags = [
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"${digitalocean_tag.controllers.id}",
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]
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lifecycle {
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ignore_changes = [
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"user_data",
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]
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}
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}
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# Tag to label controllers
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@ -43,6 +43,10 @@ resource "digitalocean_droplet" "workers" {
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tags = [
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"${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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@ -57,6 +57,12 @@ resource "google_compute_instance" "controllers" {
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can_ip_forward = true
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tags = ["${var.cluster_name}-controller"]
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lifecycle {
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ignore_changes = [
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"metadata",
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]
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}
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}
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# Controller Ignition configs
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@ -57,6 +57,12 @@ resource "google_compute_instance" "controllers" {
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can_ip_forward = true
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tags = ["${var.cluster_name}-controller"]
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lifecycle {
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ignore_changes = [
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"metadata",
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]
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}
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}
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# Controller Cloud-Init
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