Amazon EC2 Auto Scaling · JSON Structure

Ec2 Auto Scaling Predefined Metric Specification Structure

Represents a predefined metric for a target tracking scaling policy to use with Amazon EC2 Auto Scaling.

Type: object Properties: 2 Required: 1
Amazon Web ServicesAuto ScalingComputeEC2High AvailabilityScaling

PredefinedMetricSpecification is a JSON Structure definition published by Amazon EC2 Auto Scaling, describing 2 properties, of which 1 is required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

PredefinedMetricType ResourceLabel

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-ec2-auto-scaling/refs/heads/main/json-structure/ec2-auto-scaling-predefined-metric-specification-structure.json",
  "name": "PredefinedMetricSpecification",
  "description": "Represents a predefined metric for a target tracking scaling policy to use with Amazon EC2 Auto Scaling.",
  "type": "object",
  "properties": {
    "PredefinedMetricType": {
      "allOf": [
        {
          "$ref": "#/components/schemas/MetricType"
        },
        {
          "description": "<p>The metric type. The following predefined metrics are available:</p> <ul> <li> <p> <code>ASGAverageCPUUtilization</code> - Average CPU utilization of the Auto Scaling group.</p> </li> <li> <p> <code>ASGAverageNetworkIn</code> - Average number of bytes received on all network interfaces by the Auto Scaling group.</p> </li> <li> <p> <code>ASGAverageNetworkOut</code> - Average number of bytes sent out on all network interfaces by the Auto Scaling group.</p> </li> <li> <p> <code>ALBRequestCountPerTarget</code> - Average Application Load Balancer request count per target for your Auto Scaling group.</p> </li> </ul>"
        }
      ]
    },
    "ResourceLabel": {
      "allOf": [
        {
          "$ref": "#/components/schemas/XmlStringMaxLen1023"
        },
        {
          "description": "<p>A label that uniquely identifies a specific Application Load Balancer target group from which to determine the average request count served by your Auto Scaling group. You can't specify a resource label unless the target group is attached to the Auto Scaling group.</p> <p>You create the resource label by appending the final portion of the load balancer ARN and the final portion of the target group ARN into a single value, separated by a forward slash (/). The format of the resource label is:</p> <p> <code>app/my-alb/778d41231b141a0f/targetgroup/my-alb-target-group/943f017f100becff</code>.</p> <p>Where:</p> <ul> <li> <p>app/&lt;load-balancer-name&gt;/&lt;load-balancer-id&gt; is the final portion of the load balancer ARN</p> </li> <li> <p>targetgroup/&lt;target-group-name&gt;/&lt;target-group-id&gt; is the final portion of the target group ARN.</p> </li> </ul> <p>To find the ARN for an Application Load Balancer, use the <a href=\"https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeLoadBalancers.html\">DescribeLoadBalancers</a> API operation. To find the ARN for the target group, use the <a href=\"https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeTargetGroups.html\">DescribeTargetGroups</a> API operation.</p>"
        }
      ]
    }
  },
  "required": [
    "PredefinedMetricType"
  ]
}