与 AWS SDK或DescribeScalingPolicies一起使用 CLI

以下代码示例演示如何使用 DescribeScalingPolicies。

CLI

AWS CLI

描述扩展策略

此示例命令描述了 ecs 服务命名空间的扩展策略。

命令:

aws application-autoscaling describe-scaling-policies --service-namespace ecs

输出：

{
    "ScalingPolicies": [
        {
            "PolicyName": "web-app-cpu-gt-75",
            "ScalableDimension": "ecs:service:DesiredCount",
            "ResourceId": "service/default/web-app",
            "CreationTime": 1462561899.23,
            "StepScalingPolicyConfiguration": {
                "Cooldown": 60,
                "StepAdjustments": [
                    {
                        "ScalingAdjustment": 200,
                        "MetricIntervalLowerBound": 0.0
                    }
                ],
                "AdjustmentType": "PercentChangeInCapacity"
            },
            "PolicyARN": "arn:aws:autoscaling:us-west-2:012345678910:scalingPolicy:6d8972f3-efc8-437c-92d1-6270f29a66e7:resource/ecs/service/default/web-app:policyName/web-app-cpu-gt-75",
            "PolicyType": "StepScaling",
            "Alarms": [
                {
                    "AlarmName": "web-app-cpu-gt-75",
                    "AlarmARN": "arn:aws:cloudwatch:us-west-2:012345678910:alarm:web-app-cpu-gt-75"
                }
            ],
            "ServiceNamespace": "ecs"
        },
        {
            "PolicyName": "web-app-cpu-lt-25",
            "ScalableDimension": "ecs:service:DesiredCount",
            "ResourceId": "service/default/web-app",
            "CreationTime": 1462562575.099,
            "StepScalingPolicyConfiguration": {
                "Cooldown": 1,
                "StepAdjustments": [
                    {
                        "ScalingAdjustment": -50,
                        "MetricIntervalUpperBound": 0.0
                    }
                ],
                "AdjustmentType": "PercentChangeInCapacity"
            },
            "PolicyARN": "arn:aws:autoscaling:us-west-2:012345678910:scalingPolicy:6d8972f3-efc8-437c-92d1-6270f29a66e7:resource/ecs/service/default/web-app:policyName/web-app-cpu-lt-25",
            "PolicyType": "StepScaling",
            "Alarms": [
                {
                    "AlarmName": "web-app-cpu-lt-25",
                    "AlarmARN": "arn:aws:cloudwatch:us-west-2:012345678910:alarm:web-app-cpu-lt-25"
                }
            ],
            "ServiceNamespace": "ecs"
        }
    ]
}

• 有关API详细信息，请参阅 “DescribeScalingPolicies AWS CLI命令参考”。

PowerShell

用于 PowerShell

示例 1：此 cmdlet 描述了指定服务命名空间的 Application Auto Scaling 扩展策略。

Get-AASScalingPolicy -ServiceNamespace AppStream

输出：

Alarms                                   : {Appstream2-LabFleet-default-scale-out-Alarm}
CreationTime                             : 9/3/2019 2:48:15 AM
PolicyARN                                : arn:aws:autoscaling:us-west-2:012345678912:scalingPolicy:5659b069-b5cd-4af1-9f7f-3e956d36233e:resource/appstream/fleet/LabFleet:
                                           policyName/default-scale-out
PolicyName                               : default-scale-out
PolicyType                               : StepScaling
ResourceId                               : fleet/LabFleet
ScalableDimension                        : appstream:fleet:DesiredCapacity
ServiceNamespace                         : appstream
StepScalingPolicyConfiguration           : Amazon.ApplicationAutoScaling.Model.StepScalingPolicyConfiguration
TargetTrackingScalingPolicyConfiguration :

Alarms                                   : {Appstream2-LabFleet-default-scale-in-Alarm}
CreationTime                             : 9/3/2019 2:48:15 AM
PolicyARN                                : arn:aws:autoscaling:us-west-2:012345678912:scalingPolicy:5659b069-b5cd-4af1-9f7f-3e956d36233e:resource/appstream/fleet/LabFleet:
                                           policyName/default-scale-in
PolicyName                               : default-scale-in
PolicyType                               : StepScaling
ResourceId                               : fleet/LabFleet
ScalableDimension                        : appstream:fleet:DesiredCapacity
ServiceNamespace                         : appstream
StepScalingPolicyConfiguration           : Amazon.ApplicationAutoScaling.Model.StepScalingPolicyConfiguration
TargetTrackingScalingPolicyConfiguration :

• 有关API详细信息，请参阅 AWS Tools for PowerShell Cmdlet 参考DescribeScalingPolicies中的。

Rust

SDK对于 Rust

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

async fn show_policies(client: &Client) -> Result<(), Error> {
    let response = client
        .describe_scaling_policies()
        .service_namespace(ServiceNamespace::Ec2)
        .send()
        .await?;
    println!("Auto Scaling Policies:");
    for policy in response.scaling_policies() {
        println!("{:?}\n", policy);
    }
    println!("Next token: {:?}", response.next_token());

    Ok(())
}

• 有关API详细信息，请参见DescribeScalingPolicies中的 Rust AWS SDK API 参考。