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	"alerts@synapsestudios.com"	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