Automatically create and configure Amazon CloudWatch alarms for EC2 instances, RDS, and AWS Lambda using tags for standard and custom CloudWatch Metrics.
In the CloudFormation stack, AlarmNotificationARN defaults to empty string. When passed to AlarmActions for CloudWatch Alarms, this results in the error Parameter validation failed: Invalid length for parameter AlarmActions[0], value: 0, valid min length: 1.
Fix: Check for empty string before setting AlarmActions
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Issue #, if available:
Description of changes:
In the CloudFormation stack,
AlarmNotificationARNdefaults to empty string. When passed to AlarmActions for CloudWatch Alarms, this results in the errorParameter validation failed: Invalid length for parameter AlarmActions[0], value: 0, valid min length: 1.Fix: Check for empty string before setting AlarmActions
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.