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 `DescribeInstanceHealth` 與 CLI 下列程式碼範例示範如何使用 `DescribeInstanceHealth`。 ------ #### [ CLI ] **AWS CLI** **描述負載平衡器執行個體的運作狀態** 此範例描述指定負載平衡器之執行個體的運作狀態。 命令： ``` aws elb describe-instance-health --load-balancer-name {{my-load-balancer}} ``` 輸出： ``` { "InstanceStates": [ { "InstanceId": "i-207d9717", "ReasonCode": "N/A", "State": "InService", "Description": "N/A" }, { "InstanceId": "i-afefb49b", "ReasonCode": "N/A", "State": "InService", "Description": "N/A" } ] } ``` **描述負載平衡器執行個體的運作狀態** 此範例描述指定負載平衡器之指定執行個體的運作狀態。 命令： ``` aws elb describe-instance-health --load-balancer-name {{my-load-balancer}} --instances {{i-7299c809}} ``` 以下是正在註冊之執行個體的範例回應。 輸出： ``` { "InstanceStates": [ { "InstanceId": "i-7299c809", "ReasonCode": "ELB", "State": "OutOfService", "Description": "Instance registration is still in progress." } ] } ``` 以下是運作不佳之執行個體的範例回應。 輸出： ``` { "InstanceStates": [ { "InstanceId": "i-7299c809", "ReasonCode": "Instance", "State": "OutOfService", "Description": "Instance has failed at least the UnhealthyThreshold number of health checks consecutively." } ] } ``` + 如需 API 詳細資訊，請參閱《AWS CLI 命令參考》**中的 [DescribeInstanceHealth](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elb/describe-instance-health.html)。 ------ #### [ PowerShell ] **Tools for PowerShell V4** **範例 1：此範例描述向指定負載平衡器註冊的執行個體狀態。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer ``` **輸出：** ``` Description InstanceId ReasonCode State ----------- ---------- ---------- ----- N/A i-87654321 N/A InService Instance has failed at lea... i-12345678 Instance OutOfService ``` **範例 2：此範例描述向指定負載平衡器註冊的指定執行個體狀態。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678 ``` **範例 3：此範例顯示指定執行個體狀態的完整描述。** ``` (Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678).Description ``` **輸出：** ``` Instance has failed at least the UnhealthyThreshold number of health checks consecutively. ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V4)》**中的 [DescribeInstanceHealth](https://docs.aws.amazon.com/powershell/v4/reference)。 **Tools for PowerShell V5** **範例 1：此範例描述向指定負載平衡器註冊的執行個體狀態。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer ``` **輸出：** ``` Description InstanceId ReasonCode State ----------- ---------- ---------- ----- N/A i-87654321 N/A InService Instance has failed at lea... i-12345678 Instance OutOfService ``` **範例 2：此範例描述向指定負載平衡器註冊的指定執行個體狀態。** ``` Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678 ``` **範例 3：此範例顯示指定執行個體狀態的完整描述。** ``` (Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678).Description ``` **輸出：** ``` Instance has failed at least the UnhealthyThreshold number of health checks consecutively. ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V5)》**中的 [DescribeInstanceHealth](https://docs.aws.amazon.com/powershell/v5/reference)。 ------