From ce34274bbd8e2495d3c761d1b682f16437680a22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tarik=20Arslanagi=C4=87?=
 <138686612+tarsla@users.noreply.github.com>
Date: Tue, 2 Jul 2024 11:54:30 +0200
Subject: [PATCH] Added datapoints to alarm support (#68)

---
 README.yaml  | 1 +
 main.tf      | 3 +++
 variables.tf | 6 ++++++
 3 files changed, 10 insertions(+)

diff --git a/README.yaml b/README.yaml
index 47be9ba..3cf21d9 100644
--- a/README.yaml
+++ b/README.yaml
@@ -76,6 +76,7 @@ usage: |-
         insufficient_data_actions = []
         ok_actions                = []
         treat_missing_data        = "ignore"
+        datapoints_to_alarm       = 2
         dimensions = {
           instance_id = module.ec2.instance_id[0]
         }
diff --git a/main.tf b/main.tf
index 252cd66..b9231a9 100644
--- a/main.tf
+++ b/main.tf
@@ -33,6 +33,7 @@ resource "aws_cloudwatch_metric_alarm" "default" {
   insufficient_data_actions = var.insufficient_data_actions
   ok_actions                = var.ok_actions
   treat_missing_data        = var.treat_missing_data
+  datapoints_to_alarm       = var.datapoints_to_alarm
   tags                      = module.labels.tags
 
   dimensions = var.dimensions
@@ -54,6 +55,7 @@ resource "aws_cloudwatch_metric_alarm" "expression" {
   insufficient_data_actions = var.insufficient_data_actions
   ok_actions                = var.ok_actions
   treat_missing_data        = var.treat_missing_data
+  datapoints_to_alarm       = var.datapoints_to_alarm
   tags                      = module.labels.tags
   dynamic "metric_query" {
     for_each = var.query_expressions
@@ -100,6 +102,7 @@ resource "aws_cloudwatch_metric_alarm" "anomaly" {
   insufficient_data_actions = var.insufficient_data_actions
   ok_actions                = var.ok_actions
   treat_missing_data        = var.treat_missing_data
+  datapoints_to_alarm       = var.datapoints_to_alarm
   tags                      = module.labels.tags
   dynamic "metric_query" {
     for_each = var.query_expressions
diff --git a/variables.tf b/variables.tf
index 7587b66..a226773 100644
--- a/variables.tf
+++ b/variables.tf
@@ -133,6 +133,12 @@ variable "treat_missing_data" {
   description = "Sets how an alarm is going to handle missing data points."
 }
 
+variable "datapoints_to_alarm" {
+  type        = number
+  default     = 1
+  description = "Sets the number of datapoints that must be breaching to trigger the alarm."
+}
+
 variable "ok_actions" {
   type        = list(any)
   default     = []