/
ami.tf
80 lines (69 loc) · 4.38 KB
/
ami.tf
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locals {
# "amazon-eks-gpu-node-",
arch_label_map = {
AL2_x86_64 = "",
AL2_x86_64_GPU = "-gpu",
AL2_ARM_64 = "-arm64",
BOTTLEROCKET_x86_64 = "x86_64",
BOTTLEROCKET_ARM_64 = "aarch64"
BOTTLEROCKET_ARM_64_NVIDIA = "-gpu"
BOTTLEROCKET_x86_64_NVIDIA = "-gpu"
WINDOWS_CORE_2019_x86_64 = ""
WINDOWS_FULL_2019_x86_64 = ""
WINDOWS_CORE_2022_x86_64 = ""
WINDOWS_FULL_2022_x86_64 = ""
}
ami_kind = split("_", var.ami_type)[0] != "WINDOWS" ? split("_", var.ami_type)[0] : format("WINDOWS_%s_%s", split("_", var.ami_type)[1], split("_", var.ami_type)[2])
ami_format = {
# amazon-eks{arch_label}-node-{ami_kubernetes_version}-v{ami_version}
# e.g. amazon-eks-arm64-node-1.21-v20211013
AL2 = "amazon-eks%s-node-%s"
# bottlerocket-aws-k8s-{ami_kubernetes_version}-{arch_label}-v{ami_version}
# e.g. bottlerocket-aws-k8s-1.21-x86_64-v1[2].0-ccf1b754
BOTTLEROCKET = "bottlerocket-aws-k8s-%s-%s-%s"
# Windows_Server-2019-English-Core-EKS_Optimized-{ami_kubernetes_version}-{ami_version}
# e.g. Windows_Server-2019-English-Core-EKS_Optimized-1.23-2022.11.08
WINDOWS_CORE_2019 = "Windows_Server-2019-English-Core-EKS_Optimized-%s-%s"
WINDOWS_FULL_2019 = "Windows_Server-2019-English-Full-EKS_Optimized-%s-%s"
WINDOWS_CORE_2022 = "Windows_Server-2022-English-Core-EKS_Optimized-%s-%s"
WINDOWS_FULL_2022 = "Windows_Server-2022-English-Full-EKS_Optimized-%s-%s"
}
# Kubernetes version priority (first one to be set wins)
# 1. prefix of var.ami_release_version
# 2. var.kubernetes_version
# 3. data.eks_cluster.this.kubernetes_version
need_cluster_kubernetes_version = local.enabled ? local.need_ami_id && length(var.kubernetes_version) == 0 : false
use_cluster_kubernetes_version = local.need_cluster_kubernetes_version && (local.ami_kind == "BOTTLEROCKET" || length(var.ami_release_version) == 0)
ami_kubernetes_version = local.need_ami_id ? (local.use_cluster_kubernetes_version ? data.aws_eks_cluster.this[0].version :
regex("^(\\d+\\.\\d+)", coalesce(local.ami_kind == "AL2" ? try(var.ami_release_version[0], null) : null, try(var.kubernetes_version[0], null)))[0]
) : ""
# if ami_release_version is provided
ami_version_regex = local.need_ami_id ? {
# if ami_release_version = "1.21-20211013"
# insert the letter v prior to the ami_version so it becomes 1.21-v20211013
# if not, use the kubernetes version
AL2 = (length(var.ami_release_version) == 1 ? replace(var.ami_release_version[0], "/^(\\d+\\.\\d+)\\.\\d+-(\\d+)$/", "$1-v$2") : "${local.ami_kubernetes_version}-*"),
# if ami_release_version = "1.2.0-ccf1b754"
# prefix the ami release version with the letter v
# if not, use an asterisk
BOTTLEROCKET = (length(var.ami_release_version) == 1 ? format("v%s", var.ami_release_version[0]) : "*"),
WINDOWS_CORE_2019 = (length(var.ami_release_version) == 1 ? format("%s", var.ami_release_version[0]) : "*"),
WINDOWS_FULL_2019 = (length(var.ami_release_version) == 1 ? format("%s", var.ami_release_version[0]) : "*"),
WINDOWS_CORE_2022 = (length(var.ami_release_version) == 1 ? format("%s", var.ami_release_version[0]) : "*"),
WINDOWS_FULL_2022 = (length(var.ami_release_version) == 1 ? format("%s", var.ami_release_version[0]) : "*"),
} : {}
ami_regex = local.need_ami_id ? {
AL2 = format(local.ami_format["AL2"], local.arch_label_map[var.ami_type], local.ami_version_regex[local.ami_kind]),
BOTTLEROCKET = format(local.ami_format["BOTTLEROCKET"], local.ami_kubernetes_version, local.arch_label_map[var.ami_type], local.ami_version_regex[local.ami_kind]),
WINDOWS_CORE_2019 = format(local.ami_format["WINDOWS_CORE_2019"], local.ami_kubernetes_version, local.ami_version_regex[local.ami_kind]),
WINDOWS_FULL_2019 = format(local.ami_format["WINDOWS_FULL_2019"], local.ami_kubernetes_version, local.ami_version_regex[local.ami_kind]),
WINDOWS_CORE_2022 = format(local.ami_format["WINDOWS_CORE_2022"], local.ami_kubernetes_version, local.ami_version_regex[local.ami_kind]),
WINDOWS_FULL_2022 = format(local.ami_format["WINDOWS_FULL_2022"], local.ami_kubernetes_version, local.ami_version_regex[local.ami_kind]),
} : {}
}
data "aws_ami" "selected" {
count = local.enabled && local.need_ami_id ? 1 : 0
most_recent = true
name_regex = local.ami_regex[local.ami_kind]
owners = ["amazon"]
}