predictive-scaling-policy-cpu.json

{
    "MetricSpecifications": [
      {
          "TargetValue": 25,
          "CustomizedScalingMetricSpecification": {
              "MetricDataQueries": [
                  {
                      "Id": "load_sum",
                      "Expression": "SUM(SEARCH('{AWS/EC2,AutoScalingGroupName} MetricName=\"CPUUtilization\" ASG-myapp', 'Sum', 300))",
                      "ReturnData": false
                  },
                  {
                      "Id": "capacity_sum",
                      "Expression": "SUM(SEARCH('{AWS/AutoScaling,AutoScalingGroupName} MetricName=\"GroupInServiceInstances\" ASG-myapp', 'Average', 300))",
                      "ReturnData": false
                  },
                  {
                      "Id": "weighted_average",
                      "Expression": "load_sum / capacity_sum"
                  }
              ]
          },
          "CustomizedLoadMetricSpecification": {
              "MetricDataQueries": [
                  {
                      "Id": "load_sum",
                      "Expression": "SUM(SEARCH('{AWS/EC2,AutoScalingGroupName} MetricName=\"CPUUtilization\" ASG-myapp', 'Sum', 3600))"
                  }
              ]
          },
          "CustomizedCapacityMetricSpecification": {
              "MetricDataQueries": [
                  {
                      "Id": "capacity_sum",
                      "Expression": "SUM(SEARCH('{AWS/AutoScaling,AutoScalingGroupName} MetricName=\"GroupInServiceInstances\" ASG-myapp', 'Average', 300))"
                  }
              ]
          }
      }
    ]
}