DescribeInstanceHealth 搭配 AWS SDK或 使用 CLI

描述負載平衡器執行個體的運作狀態

此範例說明指定負載平衡器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

此範例說明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."
    }
  ]
}

以下是狀態不佳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."
      }
  ]
}

範例 1：此範例說明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的狀態。

Get-ELBInstanceHealth -LoadBalancerName my-load-balancer -Instance i-12345678

範例 3：此範例會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.