aws_cloudwatch_metric_alarm does not validate input on alarm_actions

[sprutner]

Terraform Version

0.11.8

Terraform Configuration Files

resource "aws_cloudwatch_metric_alarm" "down-blue" {
  alarm_name          = "${var.blue_asg_name}-High-CPU-Utilization-LT-10"
  comparison_operator = "LessThanThreshold"
  evaluation_periods  = "${var.scale_down_evaluation_periods}"
  metric_name         = "${var.scaling_metric}"
  namespace           = "AWS/EC2"
  period              = "${var.scale_down_evaluation_period}"
  statistic           = "Average"
  threshold           = "${var.scale_down_threshold}"

  dimensions {
    AutoScalingGroupName = "${var.blue_asg_name}"
  }

  alarm_description = "This metric monitors ec2 cpu utilization"
  **alarm_actions     = ["${aws_autoscaling_policy.down-blue.name}"]**
}

Expected Behavior

Actual Behavior

Steps to Reproduce

1. Simply put an autoscaling group name in alarm_actions instead of an ARN.

Additional Context

This should be an easy fix if you just use a regex or something to check if it's an ARN being passed in.

[ghost]

This issue has been automatically migrated to hashicorp/terraform-provider-aws#6092 because it looks like an issue with that provider. If you believe this is not an issue with the provider, please reply to hashicorp/terraform-provider-aws#6092.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.