From fea17dd162951e07fac6218a454f9b381ce5227e Mon Sep 17 00:00:00 2001
From: Cintia Del Rio Calvo <cintia.delrio@rezdy.com>
Date: Wed, 8 Apr 2020 16:36:05 +1000
Subject: [PATCH] Allow empty launchtype (uses default capacity provider)

---
 ecs-service.cfhighlander.rb | 1 +
 ecs-service.cfndsl.rb       | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ecs-service.cfhighlander.rb b/ecs-service.cfhighlander.rb
index 3dfe414..b2644b8 100644
--- a/ecs-service.cfhighlander.rb
+++ b/ecs-service.cfhighlander.rb
@@ -36,6 +36,7 @@
       ComponentParam 'SubnetIds', type: 'CommaDelimitedList'
       ComponentParam 'SecurityGroupBackplane'
       ComponentParam 'EnableFargate', 'false'
+      ComponentParam 'DisableLaunchType', 'false'
     end
 
     task_definition.each do |task_def, task|
diff --git a/ecs-service.cfndsl.rb b/ecs-service.cfndsl.rb
index 7b7bf75..06843e1 100644
--- a/ecs-service.cfndsl.rb
+++ b/ecs-service.cfndsl.rb
@@ -7,6 +7,7 @@
   if network_mode == 'awsvpc'
     awsvpc_enabled = true
     Condition('IsFargate', FnEquals(Ref('EnableFargate'), 'true'))
+    Condition('IsEmptyLaunchType', FnEquals(Ref('DisableLaunchType'), 'true'))
   end
 
   tags = []
@@ -433,7 +434,7 @@
   ECS_Service('Service') do
     DependsOn rule_names if rule_names.any?
     if awsvpc_enabled
-        LaunchType FnIf('IsFargate', 'FARGATE', 'EC2')
+        LaunchType FnIf('IsEmptyLaunchType', Ref('AWS::NoValue'), FnIf('IsFargate', 'FARGATE', 'EC2'))
     end
     Cluster Ref("EcsCluster")
     HealthCheckGracePeriodSeconds health_check_grace_period if !health_check_grace_period.nil?