terraform.aws-baseline-infra/modules/ManagementGovernance/Monitoring.ASG/main.tf

resource "aws_cloudwatch_metric_alarm" "asg-CPUUtilization" {
  alarm_name                = "${var.cw-alarm-prefix}:ASG:CPUUtilization:${var.asg-name}"
  comparison_operator       = var.settings.CPUUtilization.comparison_operator
  evaluation_periods        = var.settings.CPUUtilization.evaluation_periods
  metric_name               = "CPUUtilization"
  period                    = var.settings.CPUUtilization.period
  statistic                 = var.settings.CPUUtilization.statistic
  threshold                 = var.settings.CPUUtilization.threshold
  alarm_description         = "ASG:CPUUtilization"
  namespace                 = "AWS/EC2"
  insufficient_data_actions = []
  actions_enabled           = var.actions-enabled
  alarm_actions             = [var.settings.CPUUtilization.action]
  ok_actions                = [var.settings.CPUUtilization.action]
  dimensions = {
    AutoScalingGroupName = var.asg-name
  }
  tags = var.default-tags
  lifecycle {
    ignore_changes = [tags]
  }
}