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Cloudwatch Alert Module

These generate alarms that can be monitored by EventBridge to allow notification through SNS Topics to an alerting software, or directly through a pre-existing SNS topic

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/US_SetupSNS.html

Requirements

No requirements.

Providers

Name Version
aws n/a

Modules

No modules.

Resources

Name Type
aws_cloudwatch_metric_alarm.cpu-utilization-alarm resource
aws_cloudwatch_metric_alarm.task-count-alarm resource
aws_sns_topic_subscription.sns-subscription resource

Inputs

Name Description Type Default Required
alert_email Specify the email you'd like the alerts to go to (Unneccessary if create_sns_subscription is false) string "[email protected]" no
cluster_name Cluster name of ECS service to be alerted on (Example: service-production) string "service-production" no
cpu_utilization_threshold Desired CPU Utilization threshold that will be compared in alert (Example: 90 for 90% average over 60 seconds in ECS Service) string "90" no
create_sns_subscription Set to true to create a sns subscription to the topic for created alarms bool true no
desired_task_threshold Desired task threshold that will be compared in alert (Example: 1 for alerts below 1 running task in ECS Service) string "1" no
env Specify the environment you're deploying to (Example: staging, dev, test) (leave null for production) string null no
service_name Service name of ECS service to be alerted on (Example: appname-api, appname-job_queue) string "appname-api" no
sns_arn Full arn of the desired sns topic to subscribe alarm to (Example: arn:aws:sns:region-name:XXXX:cloudwatch-topic) string "arn:aws:sns:region-name:XXXX:cloudwatch-topic" no
use_sns Use SNS for notifications bool true no

Outputs

Name Description
cloudwatch_alarm_cpu_arn Output aws cloudwatch alarm arn
cloudwatch_alarm_cpu_id n/a
cloudwatch_alarm_task_arn n/a
cloudwatch_alarm_task_id n/a