文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。 本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。 # 搭配使用 `DescribePolicies` 與 CLI 下列程式碼範例示範如何使用 `DescribePolicies`。 ------ #### [ CLI ] **AWS CLI** **範例 1：描述指定群組的擴展政策** 此範例描述指定的 Auto Scaling 群組的擴展政策。 ``` aws autoscaling describe-policies \ --auto-scaling-group-name my-asg ``` 輸出： ``` { "ScalingPolicies": [ { "AutoScalingGroupName": "my-asg", "PolicyName": "alb1000-target-tracking-scaling-policy", "PolicyARN": "arn:aws:autoscaling:us-west-2:123456789012:scalingPolicy:3065d9c8-9969-4bec-bb6a-3fbe5550fde6:autoScalingGroupName/my-asg:policyName/alb1000-target-tracking-scaling-policy", "PolicyType": "TargetTrackingScaling", "StepAdjustments": [], "Alarms": [ { "AlarmName": "TargetTracking-my-asg-AlarmHigh-924887a9-12d7-4e01-8686-6f844d13a196", "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmHigh-924887a9-12d7-4e01-8686-6f844d13a196" }, { "AlarmName": "TargetTracking-my-asg-AlarmLow-f96f899d-b8e7-4d09-a010-c1aaa35da296", "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmLow-f96f899d-b8e7-4d09-a010-c1aaa35da296" } ], "TargetTrackingConfiguration": { "PredefinedMetricSpecification": { "PredefinedMetricType": "ALBRequestCountPerTarget", "ResourceLabel": "app/my-alb/778d41231b141a0f/targetgroup/my-alb-target-group/943f017f100becff" }, "TargetValue": 1000.0, "DisableScaleIn": false }, "Enabled": true }, { "AutoScalingGroupName": "my-asg", "PolicyName": "cpu40-target-tracking-scaling-policy", "PolicyARN": "arn:aws:autoscaling:us-west-2:123456789012:scalingPolicy:5fd26f71-39d4-4690-82a9-b8515c45cdde:autoScalingGroupName/my-asg:policyName/cpu40-target-tracking-scaling-policy", "PolicyType": "TargetTrackingScaling", "StepAdjustments": [], "Alarms": [ { "AlarmName": "TargetTracking-my-asg-AlarmHigh-139f9789-37b9-42ad-bea5-b5b147d7f473", "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmHigh-139f9789-37b9-42ad-bea5-b5b147d7f473" }, { "AlarmName": "TargetTracking-my-asg-AlarmLow-bd681c67-fc18-4c56-8468-fb8e413009c9", "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmLow-bd681c67-fc18-4c56-8468-fb8e413009c9" } ], "TargetTrackingConfiguration": { "PredefinedMetricSpecification": { "PredefinedMetricType": "ASGAverageCPUUtilization" }, "TargetValue": 40.0, "DisableScaleIn": false }, "Enabled": true } ] } ``` 如需詳細資訊，請參閱《*Amazon EC2 Auto Scaling 使用者指南*》中的[動態擴展](https://docs.aws.amazon.com/autoscaling/ec2/userguide/as-scale-based-on-demand.html)。 **範例 2：描述指定名稱的擴展政策** 若要傳回特定擴展政策，請使用 `--policy-names` 選項。 ``` aws autoscaling describe-policies \ --auto-scaling-group-name my-asg \ --policy-names cpu40-target-tracking-scaling-policy ``` 如需範例輸出，請參閱範例 1。 如需詳細資訊，請參閱《*Amazon EC2 Auto Scaling 使用者指南*》中的[動態擴展](https://docs.aws.amazon.com/autoscaling/ec2/userguide/as-scale-based-on-demand.html)。 **範例 3：描述一些擴展政策** 若要傳回特定數量的政策，請使用 `--max-items` 選項。 ``` aws autoscaling describe-policies \ --auto-scaling-group-name my-asg \ --max-items 1 ``` 如需範例輸出，請參閱範例 1。 如果輸出包含 `NextToken` 欄位，請在後續呼叫中搭配使用此欄位的值和 `--starting-token` 選項，以取得其他政策。 ``` aws autoscaling describe-policies --auto-scaling-group-name my-asg --starting-token Z3M3LMPEXAMPLE ``` 如需詳細資訊，請參閱《*Amazon EC2 Auto Scaling 使用者指南*》中的[動態擴展](https://docs.aws.amazon.com/autoscaling/ec2/userguide/as-scale-based-on-demand.html)。 + 如需 API 詳細資訊，請參閱《AWS CLI 命令參考》**中的 [DescribePolicies](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/autoscaling/describe-policies.html)。 ------ #### [ PowerShell ] **Tools for PowerShell V4** **範例 1：此範例描述指定的 Auto Scaling 群組的所有政策。** ``` Get-ASPolicy -AutoScalingGroupName my-asg ``` **輸出：** ``` AdjustmentType : ChangeInCapacity Alarms : {} AutoScalingGroupName : my-asg Cooldown : 0 EstimatedInstanceWarmup : 0 MetricAggregationType : MinAdjustmentMagnitude : 0 MinAdjustmentStep : 0 PolicyARN : arn:aws:auto-scaling:us-west-2:123456789012:scalingPolicy:aa3836ab-5462-42c7-adab-e1d769fc24ef :autoScalingGroupName/my-asg:policyName/myScaleInPolicy PolicyName : myScaleInPolicy PolicyType : SimpleScaling ScalingAdjustment : -1 StepAdjustments : {} ``` **範例 2：此範例描述指定的 Auto Scaling 群組的指定政策。** ``` Get-ASPolicy -AutoScalingGroupName my-asg -PolicyName @("myScaleOutPolicy", "myScaleInPolicy") ``` **範例 3：此範例描述所有 Auto Scaling 群組的所有政策。** ``` Get-ASPolicy ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V4)》**中的 [DescribePolicies](https://docs.aws.amazon.com/powershell/v4/reference)。 **Tools for PowerShell V5** **範例 1：此範例描述指定的 Auto Scaling 群組的所有政策。** ``` Get-ASPolicy -AutoScalingGroupName my-asg ``` **輸出：** ``` AdjustmentType : ChangeInCapacity Alarms : {} AutoScalingGroupName : my-asg Cooldown : 0 EstimatedInstanceWarmup : 0 MetricAggregationType : MinAdjustmentMagnitude : 0 MinAdjustmentStep : 0 PolicyARN : arn:aws:auto-scaling:us-west-2:123456789012:scalingPolicy:aa3836ab-5462-42c7-adab-e1d769fc24ef :autoScalingGroupName/my-asg:policyName/myScaleInPolicy PolicyName : myScaleInPolicy PolicyType : SimpleScaling ScalingAdjustment : -1 StepAdjustments : {} ``` **範例 2：此範例描述指定的 Auto Scaling 群組的指定政策。** ``` Get-ASPolicy -AutoScalingGroupName my-asg -PolicyName @("myScaleOutPolicy", "myScaleInPolicy") ``` **範例 3：此範例描述所有 Auto Scaling 群組的所有政策。** ``` Get-ASPolicy ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V5)》**中的 [DescribePolicies](https://docs.aws.amazon.com/powershell/v5/reference)。 ------