Added variable to enable/disable slack noti.

Author: RohitSquareops

examples/complete-cluster-mode/main.tf

@@ -117,6 +117,7 @@ module "redis" {
   cloudwatch_metric_alarms_enabled = false
   alarm_cpu_threshold_percent      = 70
   alarm_memory_threshold_bytes     = "10000000" # in bytes
+  slack_notification_enabled       = false
   slack_username                   = ""
   slack_channel                    = ""
   slack_webhook_url                = ""

examples/complete/main.tf

@@ -114,6 +114,7 @@ module "redis" {
   cloudwatch_metric_alarms_enabled = false
   alarm_cpu_threshold_percent      = 70
   alarm_memory_threshold_bytes     = "10000000" # in bytes
+  slack_notification_enabled       = false
   slack_username                   = ""
   slack_channel                    = ""
   slack_webhook_url                = ""

main.tf

@@ -222,12 +222,12 @@ resource "aws_cloudwatch_metric_alarm" "cache_memory" {
 }
 
 resource "aws_kms_key" "this" {
-  count       = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   description = "KMS key for notify-slack test"
 }
 
 resource "aws_kms_ciphertext" "slack_url" {
-  count     = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   plaintext = var.slack_webhook_url
   key_id    = aws_kms_key.this[0].arn
 }
@@ -258,7 +258,7 @@ EOF
 }
 
 data "archive_file" "lambdazip" {
-  count       = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   type        = "zip"
   output_path = "${path.module}/lambda/sns_slack.zip"
 
@@ -268,7 +268,7 @@ data "archive_file" "lambdazip" {
 
 module "cw_sns_slack" {
   source        = "./lambda"
-  count         = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   name          = format("%s-%s-%s", var.environment, var.name, "sns-slack")
   description   = "notify slack channel on sns topic"
   artifact_file = "${path.module}/lambda/sns_slack.zip"
@@ -288,15 +288,15 @@ module "cw_sns_slack" {
 }
 
 resource "aws_sns_topic_subscription" "slack-endpoint" {
-  count                  = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   endpoint               = module.cw_sns_slack[0].arn
   protocol               = "lambda"
   endpoint_auto_confirms = true
   topic_arn              = aws_sns_topic.slack_topic[0].arn
 }
 
 resource "aws_lambda_permission" "sns_lambda_slack_invoke" {
-  count         = var.cloudwatch_metric_alarms_enabled ? 1 : 0
+  count       = var.slack_notification_enabled ? 1 : 0 
   statement_id  = "sns_slackAllowExecutionFromSNS"
   action        = "lambda:InvokeFunction"
   function_name = module.cw_sns_slack[0].arn

variables.tf

@@ -221,6 +221,12 @@ variable "alarm_memory_threshold_bytes" {
   description = "Ram threshold alarm level in bytes"
 }
 
+variable "slack_notification_enabled" {
+  type        = bool
+  description = "Whether to enable/disable slack notification."
+  default     = false
+}
+
 variable "slack_webhook_url" {
   description = "The Slack Webhook URL where notifications will be sent."
   default     = ""