文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。 本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。 # 将 `DescribeInstanceHealth` 与 CLI 配合使用 以下代码示例演示如何使用 `DescribeInstanceHealth`。 ------ #### [ CLI ] **AWS CLI** **描述负载均衡器多个实例的运行状况** 此示例描述指定负载均衡器多个实例的运行状况。 命令: ``` aws elb describe-instance-health --load-balancer-name {{my-load-balancer}} ``` 输出： ``` { "InstanceStates": [ { "InstanceId": "i-207d9717", "ReasonCode": "N/A", "State": "InService", "Description": "N/A" }, { "InstanceId": "i-afefb49b", "ReasonCode": "N/A", "State": "InService", "Description": "N/A" } ] } ``` **描述负载均衡器单个实例的运行状况** 此示例描述指定负载均衡器指定实例的运行状况。 命令: ``` aws elb describe-instance-health --load-balancer-name {{my-load-balancer}} --instances {{i-7299c809}} ``` 以下是正在注册的实例的示例响应。 输出： ``` { "InstanceStates": [ { "InstanceId": "i-7299c809", "ReasonCode": "ELB", "State": "OutOfService", "Description": "Instance registration is still in progress." } ] } ``` 以下是运行状况不佳的实例的示例响应。 输出： ``` { "InstanceStates": [ { "InstanceId": "i-7299c809", "ReasonCode": "Instance", "State": "OutOfService", "Description": "Instance has failed at least the UnhealthyThreshold number of health checks consecutively." } ] } ``` + 有关 API 的详细信息，请参阅*AWS CLI 命令参考[DescribeInstanceHealth](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elb/describe-instance-health.html)*中的。 ------ #### [ PowerShell ] **适用于 PowerShell V4 的工具** **示例 1：此示例描述向指定负载均衡器注册的实例的状态。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer ``` **输出**： ``` Description InstanceId ReasonCode State ----------- ---------- ---------- ----- N/A i-87654321 N/A InService Instance has failed at lea... i-12345678 Instance OutOfService ``` **示例 2：此示例描述向指定负载均衡器注册的指定实例的状态。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678 ``` **示例 3：此示例显示指定实例的状态的完整描述。** ``` (Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678).Description ``` **输出**： ``` Instance has failed at least the UnhealthyThreshold number of health checks consecutively. ``` + 有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 4) [DescribeInstanceHealth](https://docs.aws.amazon.com/powershell/v4/reference)中的。 **适用于 PowerShell V5 的工具** **示例 1：此示例描述向指定负载均衡器注册的实例的状态。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer ``` **输出**： ``` Description InstanceId ReasonCode State ----------- ---------- ---------- ----- N/A i-87654321 N/A InService Instance has failed at lea... i-12345678 Instance OutOfService ``` **示例 2：此示例描述向指定负载均衡器注册的指定实例的状态。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678 ``` **示例 3：此示例显示指定实例的状态的完整描述。** ``` (Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678).Description ``` **输出**： ``` Instance has failed at least the UnhealthyThreshold number of health checks consecutively. ``` + 有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 5) [DescribeInstanceHealth](https://docs.aws.amazon.com/powershell/v5/reference)中的。 ------