Target Request Autoscaling Policy

AutoscalingRequestPolicy.yaml

  TargetRequestAutoScalingPolicy:
    Type: AWS::ApplicationAutoScaling::ScalingPolicy
    Properties:
      PolicyName: !Sub '${Name}-${EnvironmentName}-${ServiceName}-RequestAutoScalingPolicy'
      PolicyType: TargetTrackingScaling
      ScalingTargetId: !Ref AutoScalingTarget
      TargetTrackingScalingPolicyConfiguration:
        TargetValue: 10.0
        ScaleInCooldown: 60
        ScaleOutCooldown: 30
        PredefinedMetricSpecification:
          PredefinedMetricType: ALBRequestCountPerTarget
          ResourceLabel: !Join
            - ''
            - - Fn::Select:
                  - 1
                  - Fn::Split:
                      - 'loadbalancer/'
                      - Fn::ImportValue: !Sub '${Name}-${EnvironmentName}-${SubdomainName}-LoadBalancer'
              - '/targetgroup'
              - Fn::Select:
                  - 1
                  - Fn::Split:
                      - 'targetgroup'
                      - !Ref TargetGroup