changes for terraform v0.12

main.tf

@@ -157,7 +157,7 @@ resource "aws_cloudwatch_metric_alarm" "cpu-single" {
   count               = "${replace(replace(var.cache_clusters, "/^[2-9]$/", "0"), "/^1$/", "1")}"
   alarm_name          = "alarmRedisCacheClusterCPUUtilization"
   alarm_description   = "Redis cache cluster CPU utilization"
-  alarm_actions       = ["${var.cloudwatch_alarm_sns_arn}"]
+  alarm_actions       = "${var.cloudwatch_alarm_sns_arn}"
   comparison_operator = "GreaterThanThreshold"
   evaluation_periods  = "1"
   metric_name         = "CPUUtilization"
@@ -165,7 +165,7 @@ resource "aws_cloudwatch_metric_alarm" "cpu-single" {
   period              = "300"
   statistic           = "Average"
   threshold           = "75"
-  dimensions {
+  dimensions = {
     CacheClusterId     = "${var.cache_name}-00${count.index + 1}"
   }
 }
@@ -174,7 +174,7 @@ resource "aws_cloudwatch_metric_alarm" "memory-free-single" {
   count               = "${replace(replace(var.cache_clusters, "/^[2-9]$/", "0"), "/^1$/", "1")}"
   alarm_name          = "alarmRedisCacheClusterFreeableMemory"
   alarm_description   = "Redis cache cluster freeable memory"
-  alarm_actions       = ["${var.cloudwatch_alarm_sns_arn}"]
+  alarm_actions       = "${var.cloudwatch_alarm_sns_arn}"
   comparison_operator = "LessThanThreshold"
   evaluation_periods  = "1"
   metric_name         = "FreeableMemory"
@@ -183,7 +183,7 @@ resource "aws_cloudwatch_metric_alarm" "memory-free-single" {
   statistic           = "Average"
   # 25MB in bytes
   threshold           = "25000000"
-  dimensions {
+  dimensions = {
     CacheClusterId     = "${var.cache_name}-00${count.index + 1}"
   }
 }
@@ -192,7 +192,7 @@ resource "aws_cloudwatch_metric_alarm" "cpu-cluster" {
   count               = "${replace(replace(var.cache_clusters, "/^1$/", "0"), "/^[2-9]$/", "${var.cache_clusters}")}"
   alarm_name          = "alarmRedisCacheCluster00${count.index + 1}CPUUtilization"
   alarm_description   = "Redis cache cluster 00${count.index + 1} CPU utilization"
-  alarm_actions       = ["${var.cloudwatch_alarm_sns_arn}"]
+  alarm_actions       = "${var.cloudwatch_alarm_sns_arn}"
   comparison_operator = "GreaterThanThreshold"
   evaluation_periods  = "1"
   metric_name         = "CPUUtilization"
@@ -200,7 +200,7 @@ resource "aws_cloudwatch_metric_alarm" "cpu-cluster" {
   period              = "300"
   statistic           = "Average"
   threshold           = "75"
-  dimensions {
+  dimensions = {
     CacheClusterId     = "${var.cache_name}-00${count.index + 1}"
   }
 }
@@ -209,7 +209,7 @@ resource "aws_cloudwatch_metric_alarm" "memory-free-cluster" {
   count               = "${replace(replace(var.cache_clusters, "/^1$/", "0"), "/^[2-9]$/", "${var.cache_clusters}")}"
   alarm_name          = "alarmRedisCacheCluster00${count.index + 1}FreeableMemory"
   alarm_description   = "Redis cache cluster 00${count.index + 1} freeable memory"
-  alarm_actions       = ["${var.cloudwatch_alarm_sns_arn}"]
+  alarm_actions       = "${var.cloudwatch_alarm_sns_arn}"
   comparison_operator = "LessThanThreshold"
   evaluation_periods  = "1"
   metric_name         = "FreeableMemory"
@@ -218,7 +218,7 @@ resource "aws_cloudwatch_metric_alarm" "memory-free-cluster" {
   statistic           = "Average"
   # 25MB in bytes
   threshold           = "25000000"
-  dimensions {
+  dimensions = {
     CacheClusterId     = "${var.cache_name}-00${count.index + 1}"
   }
 }