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Fix Fedora CoreOS AWS AMI query in non-US regions

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* A `aws_ami` data source will fail a Terraform plan
if no matching AMI is found, even if the AMI is not
used. ARM64 images are only published to a few US
regions, so the `aws_ami` data query could fail when
creating Fedora CoreOS AWS clusters in non-US regions
* Condition `aws_ami` on whether experimental arch
`arm64` is chosen
* Recent regression introduced in v1.19.4
https://github.com/poseidon/typhoon/pull/875

Closes https://github.com/poseidon/typhoon/issues/886
This commit is contained in:
Dalton Hubble 2020-11-25 11:01:47 -08:00
parent ba8d972c76
commit fa8f68f50e
5 changed files with 12 additions and 2 deletions
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6
CHANGES.md
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@ -15,6 +15,12 @@ Notable changes between versions.
* NLB DNS name has both A and AAAA records * NLB DNS name has both A and AAAA records
* NLB to target node traffic is IPv4 (no change) * NLB to target node traffic is IPv4 (no change)
### Fedora CoreOS
#### AWS
* Fix AMI query for which could fail in some regions ([#887](https://github.com/poseidon/typhoon/pull/887))
### Addons ### Addons
* Update Prometheus from v2.22.2 to [v2.23.0-rc.0](https://github.com/prometheus/prometheus/releases/tag/v2.23.0-rc.0) * Update Prometheus from v2.22.2 to [v2.23.0-rc.0](https://github.com/prometheus/prometheus/releases/tag/v2.23.0-rc.0)

2
aws/fedora-coreos/kubernetes/ami.tf
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@ -23,6 +23,8 @@ data "aws_ami" "fedora-coreos" {
# WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs # WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs
# and may be removed for any reason before then as well. Do not use. # and may be removed for any reason before then as well. Do not use.
data "aws_ami" "fedora-coreos-arm" { data "aws_ami" "fedora-coreos-arm" {
count = var.arch == "arm64" ? 1 : 0
most_recent = true most_recent = true
owners = ["099663496933"] owners = ["099663496933"]

2
aws/fedora-coreos/kubernetes/controllers.tf
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@ -22,7 +22,7 @@ resource "aws_instance" "controllers" {
} }
instance_type = var.controller_type instance_type = var.controller_type
ami = var.arch == "arm64" ? data.aws_ami.fedora-coreos-arm.image_id : data.aws_ami.fedora-coreos.image_id ami = var.arch == "arm64" ? data.aws_ami.fedora-coreos-arm[0].image_id : data.aws_ami.fedora-coreos.image_id
user_data = data.ct_config.controller-ignitions.*.rendered[count.index] user_data = data.ct_config.controller-ignitions.*.rendered[count.index]
# storage # storage

2
aws/fedora-coreos/kubernetes/workers/ami.tf
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@ -23,6 +23,8 @@ data "aws_ami" "fedora-coreos" {
# WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs # WARNING: These AMIs will be removed when Fedora CoreOS publishes arm64 AMIs
# and may be removed for any reason before then as well. Do not use. # and may be removed for any reason before then as well. Do not use.
data "aws_ami" "fedora-coreos-arm" { data "aws_ami" "fedora-coreos-arm" {
count = var.arch == "arm64" ? 1 : 0
most_recent = true most_recent = true
owners = ["099663496933"] owners = ["099663496933"]

2
aws/fedora-coreos/kubernetes/workers/workers.tf
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@ -44,7 +44,7 @@ resource "aws_autoscaling_group" "workers" {
# Worker template # Worker template
resource "aws_launch_configuration" "worker" { resource "aws_launch_configuration" "worker" {
image_id = var.arch == "arm64" ? data.aws_ami.fedora-coreos-arm.image_id : data.aws_ami.fedora-coreos.image_id image_id = var.arch == "arm64" ? data.aws_ami.fedora-coreos-arm[0].image_id : data.aws_ami.fedora-coreos.image_id
instance_type = var.instance_type instance_type = var.instance_type
spot_price = var.spot_price > 0 ? var.spot_price : null spot_price = var.spot_price > 0 ? var.spot_price : null
enable_monitoring = false enable_monitoring = false