From 3ab1c9f288caa21c8e630cb29f9bda1d63ba9ad9 Mon Sep 17 00:00:00 2001
From: Justin Wind <j.wind@partner.samsung.com>
Date: Thu, 14 Sep 2017 13:36:11 -0700
Subject: [PATCH] add alarms on management queues

---
 .../modules/management-stack/alarms.tf        | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 infrastructure/modules/management-stack/alarms.tf

diff --git a/infrastructure/modules/management-stack/alarms.tf b/infrastructure/modules/management-stack/alarms.tf
new file mode 100644
index 0000000..c278d19
--- /dev/null
+++ b/infrastructure/modules/management-stack/alarms.tf
@@ -0,0 +1,31 @@
+resource "aws_cloudwatch_metric_alarm" "unconsumed" {
+	alarm_name = "${length(var.sqs_events_name) > 0 ? var.sqs_events_name : var.management_service_name}${length(var.sqs_events_name) > 0 ? "" : "-events"}-unconsumed"
+	alarm_description = "Alert when queue has aging messages."
+	metric_name = "ApproximateAgeOfOldestMessage"
+	comparison_operator = "GreaterThanOrEqualToThreshold"
+	evaluation_periods = 10
+	period = 60
+	namespace = "AWS/SQS"
+	statistic = "Maximum"
+	threshold = 1800
+	dimensions {
+		QueueName = "${length(var.sqs_events_name) > 0 ? var.sqs_events_name : var.management_service_name}${length(var.sqs_events_name) > 0 ? "" : "-events"}"
+	}
+	alarm_actions = ["${aws_sns_topic.management-alerts.arn}"]
+}
+
+resource "aws_cloudwatch_metric_alarm" "failures-present" {
+	alarm_name = "${length(var.sqs_events_name) > 0 ? var.sqs_events_name : var.management_service_name}${length(var.sqs_events_name) > 0 ? "" : "-events"}-failed-present"
+	alarm_description = "Alert when a message has failed."
+	metric_name = "ApproximateNumberOfMessagesVisible"
+	comparison_operator = "GreaterThanOrEqualToThreshold"
+	evaluation_periods = 2
+	period = 60
+	namespace = "AWS/SQS"
+	statistic = "Sum"
+	threshold = 1
+	dimensions {
+		QueueName = "${length(var.sqs_events_name) > 0 ? var.sqs_events_name : var.management_service_name}${length(var.sqs_events_name) > 0 ? "" : "-events"}-failed"
+	}
+	alarm_actions = ["${aws_sns_topic.management-alerts.arn}"]
+}
-- 
2.43.2