infrastructure-provisioning/terraform/aws/endpoint/main/iam.tf

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locals {
  endpoint_role_name    = "${var.service_base_name}-${var.endpoint_id}-role"
  endpoint_role_profile = "${var.service_base_name}-${var.endpoint_id}-profile"
  endpoint_policy_name  = "${var.service_base_name}-${var.endpoint_id}-policy"
}

data "template_file" "endpoint_policy" {
  template = file("./files/endpoint-policy.json")
}

resource "aws_iam_role" "endpoint_role" {
  name               = local.endpoint_role_name
  assume_role_policy = file("./files/assume-policy.json")
  tags = {
    Name = local.endpoint_role_name
    "${local.additional_tag[0]}" = local.additional_tag[1]
    "${var.tag_resource_id}" = "${var.service_base_name}:${local.endpoint_role_name}"
    "${var.service_base_name}-tag" = local.endpoint_role_name
  }
}

resource "aws_iam_instance_profile" "endpoint_profile" {
  name = local.endpoint_role_profile
  role = aws_iam_role.endpoint_role.name
}

resource "aws_iam_policy" "endpoint_policy" {
  name   = local.endpoint_policy_name
  policy = data.template_file.endpoint_policy.rendered
}

resource "aws_iam_role_policy_attachment" "endpoint_policy_attach" {
  role       = aws_iam_role.endpoint_role.name
  policy_arn = aws_iam_policy.endpoint_policy.arn
}