Files
terraform-aws-eks/modules/fargate/main.tf

68 lines
2.3 KiB
HCL

locals {
create_eks = var.create_eks && length(var.fargate_profiles) > 0
pod_execution_role_arn = coalescelist(aws_iam_role.eks_fargate_pod.*.arn, data.aws_iam_role.custom_fargate_iam_role.*.arn, [""])[0]
pod_execution_role_name = coalescelist(aws_iam_role.eks_fargate_pod.*.name, data.aws_iam_role.custom_fargate_iam_role.*.name, [""])[0]
fargate_profiles = { for k, v in var.fargate_profiles : k => v if var.create_eks }
}
data "aws_partition" "current" {}
data "aws_iam_policy_document" "eks_fargate_pod_assume_role" {
count = local.create_eks && var.create_fargate_pod_execution_role ? 1 : 0
statement {
effect = "Allow"
actions = ["sts:AssumeRole"]
principals {
type = "Service"
identifiers = ["eks-fargate-pods.amazonaws.com"]
}
}
}
data "aws_iam_role" "custom_fargate_iam_role" {
count = local.create_eks && !var.create_fargate_pod_execution_role ? 1 : 0
name = var.fargate_pod_execution_role_name
}
resource "aws_iam_role" "eks_fargate_pod" {
count = local.create_eks && var.create_fargate_pod_execution_role ? 1 : 0
name_prefix = format("%s-fargate", substr(var.cluster_name, 0, 24))
assume_role_policy = data.aws_iam_policy_document.eks_fargate_pod_assume_role[0].json
permissions_boundary = var.permissions_boundary
tags = var.tags
path = var.iam_path
}
resource "aws_iam_role_policy_attachment" "eks_fargate_pod" {
count = local.create_eks && var.create_fargate_pod_execution_role ? 1 : 0
policy_arn = "arn:${data.aws_partition.current.partition}:iam::aws:policy/AmazonEKSFargatePodExecutionRolePolicy"
role = aws_iam_role.eks_fargate_pod[0].name
}
resource "aws_eks_fargate_profile" "this" {
for_each = local.fargate_profiles
cluster_name = var.cluster_name
fargate_profile_name = lookup(each.value, "name", format("%s-fargate-%s", var.cluster_name, replace(each.key, "_", "-")))
pod_execution_role_arn = local.pod_execution_role_arn
subnet_ids = lookup(each.value, "subnets", var.subnets)
dynamic "selector" {
for_each = each.value.selectors
content {
namespace = selector.value["namespace"]
labels = lookup(selector.value, "labels", {})
}
}
tags = merge(var.tags, lookup(each.value, "tags", {}))
}