From 48f08572a659138f43ffe386c270df8d78aa0199 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Asbj=C3=B8rn=20Clemmensen?= <aclemmensen@outlook.com>
Date: Thu, 19 Sep 2024 15:01:30 +0200
Subject: [PATCH] Fix empty alarm actions (#38)

---
 main.tf | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/main.tf b/main.tf
index 0272eb5..c2c8871 100644
--- a/main.tf
+++ b/main.tf
@@ -14,10 +14,10 @@ resource "aws_cloudwatch_metric_alarm" "cpu_high" {
     ClusterName = var.ecs_cluster_name
     ServiceName = var.ecs_service_name
   }
-  alarm_actions = [
+  alarm_actions = compact([
     aws_appautoscaling_policy.scale_up_policy.arn,
     var.sns_topic_arn != "" ? var.sns_topic_arn : ""
-  ]
+  ])
   tags = var.tags
 }
 
@@ -37,10 +37,10 @@ resource "aws_cloudwatch_metric_alarm" "cpu_low" {
     ClusterName = var.ecs_cluster_name
     ServiceName = var.ecs_service_name
   }
-  alarm_actions = [
+  alarm_actions = compact([
     aws_appautoscaling_policy.scale_down_policy.arn,
     var.sns_topic_arn != "" ? var.sns_topic_arn : ""
-  ]
+  ])
   tags = var.tags
 }