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‎LICENSE

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MIT License
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Copyright (c) 2017 Aplyca
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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Terraform AWS ECS Deploy module
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===============================
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Deploy al necessary resources for ECS apps

‎data.tf

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data "template_file" "this" {
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template = "${file(var.definition_file)}"
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vars = "${merge(var.definition_vars, zipmap(keys(var.repositories), aws_ecr_repository.this.*.repository_url), map("log_group", "${module.logs.name}"))}"
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}
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‎main.tf

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locals {
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id = "${replace(var.name, " ", "-")}"
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}
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# --------------------------------------------------------
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# CREATE New Service
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# --------------------------------------------------------
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resource "aws_ecr_repository" "this" {
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count = "${length(var.repositories)}"
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name = "${lower(element(values(var.repositories), count.index))}"
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}
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resource "aws_ecs_task_definition" "this" {
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family = "${local.id}"
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container_definitions = "${data.template_file.this.rendered}"
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volume = "${var.volumes}"
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task_role_arn = "${aws_iam_role.this.arn}"
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requires_compatibilities = ["${var.compatibilities}"]
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}
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resource "aws_alb_target_group" "this" {
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count = "${var.balancer["vpc_id"] != "" ? 1 : 0}"
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name = "${local.id}"
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port = 80
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protocol = "HTTP"
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vpc_id = "${var.balancer["vpc_id"]}"
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tags = "${merge(var.tags, map("Name", "${var.name}"))}"
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deregistration_delay = 3
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stickiness {
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type = "lb_cookie"
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enabled = false
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}
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}
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resource "aws_lb_listener_rule" "http" {
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count = "${lookup(var.balancer, "condition_values", "") != ""? length(split(",", var.balancer["condition_values"])) : 0}"
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listener_arn = "${var.balancer["listener_http"]}"
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priority = "${var.balancer["priority"] + count.index}"
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action {
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type = "forward"
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target_group_arn = "${aws_alb_target_group.this.0.arn}"
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}
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condition {
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field = "${var.balancer["condition_field"]}"
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values = ["${element(split(",", var.balancer["condition_values"]), count.index)}"]
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}
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}
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resource "aws_lb_listener_rule" "https" {
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count = "${lookup(var.balancer, "condition_values", "") != ""? length(split(",", var.balancer["condition_values"])) : 0}"
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listener_arn = "${var.balancer["listener_https"]}"
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priority = "${var.balancer["priority"] + count.index}"
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action {
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type = "forward"
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target_group_arn = "${aws_alb_target_group.this.0.arn}"
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}
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condition {
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field = "${var.balancer["condition_field"]}"
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values = ["${element(split(",", var.balancer["condition_values"]), count.index)}"]
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}
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}
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resource "aws_ecs_service" "this" {
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count = "${var.balancer["vpc_id"] != "" && var.cluster != "" ? 1 : 0}"
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name = "${local.id}"
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cluster = "${var.cluster}"
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task_definition = "${aws_ecs_task_definition.this.arn}"
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desired_count = "${var.desired}"
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iam_role = "arn:aws:iam::159895783284:role/aws-service-role/ecs.amazonaws.com/AWSServiceRoleForECS"
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health_check_grace_period_seconds = 0
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load_balancer {
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target_group_arn = "${aws_alb_target_group.this.0.arn}"
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container_name = "${var.balancer["container_name"]}"
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container_port = "${var.balancer["container_port"]}"
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}
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ordered_placement_strategy {
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type = "spread"
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field = "host"
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}
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}
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resource "aws_ecs_service" "no_balancer" {
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count = "${var.balancer["vpc_id"] != "" || var.cluster == "" ? 0 : 1}"
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name = "${local.id}"
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cluster = "${var.cluster}"
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task_definition = "${aws_ecs_task_definition.this.arn}"
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desired_count = "${var.desired}"
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health_check_grace_period_seconds = 0
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ordered_placement_strategy {
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type = "spread"
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field = "host"
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}
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}
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resource "aws_iam_role" "this" {
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name = "${local.id}"
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description = "${var.name} ECSTask"
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assume_role_policy = <<EOF
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": {
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"Service": "ecs-tasks.amazonaws.com"
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},
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"Action": "sts:AssumeRole"
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}
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]
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}
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EOF
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}
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module "logs" {
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source = "Aplyca/cloudwatchlogs/aws"
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version = "0.1.0"
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name = "${local.id}"
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role = "${aws_iam_role.this.name}"
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description = "${var.name} ECSTask CloudWatch Logs"
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tags = "${merge(var.tags, map("Name", "${var.name}"))}"
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}

‎outputs.tf

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output "repositories" {
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value = "${merge(var.definition_vars, zipmap(keys(var.repositories), aws_ecr_repository.this.*.repository_url))}"
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}
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output "role" {
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value = "${aws_iam_role.this.name}"
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}
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output "role_arn" {
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value = "${aws_iam_role.this.arn}"
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}

‎variables.tf

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variable "name" {
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description = "Name prefix for all VPC resources."
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default = "App"
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}
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variable "cluster" {
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description = "ECS cluster name"
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default = ""
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}
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variable "tags" {
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description = "A mapping of tags to assign to the resource."
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default = {}
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}
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variable "definition_file" {
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description = "Container definition JSON file"
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default = ""
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}
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variable "definition_vars" {
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description = "Container definition vars"
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default = {}
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}
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variable "balancer" {
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description = "Listener configurations for ALB"
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default = {
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vpc_id = ""
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condition_values = ""
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container_name = ""
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container_port = 0
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}
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}
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variable "volumes" {
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description = "Volumes"
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default = []
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}
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variable "desired" {
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description = "Desired count of tasks in service"
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default = 0
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}
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variable "repositories" {
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description = "Images repositories"
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default = {}
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}
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variable "compatibilities" {
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description = "Requires compatibilities"
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default = []
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}

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