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 `DescribeLoadBalancers` 與 CLI 下列程式碼範例示範如何使用 `DescribeLoadBalancers`。 ------ #### [ CLI ] **AWS CLI** **描述您的負載平衡器** 此範例描述所有的負載平衡器。 命令： ``` aws elb describe-load-balancers ``` **描述其中一個負載平衡器** 此範例描述指定的負載平衡器。 命令： ``` aws elb describe-load-balancers --load-balancer-name {{my-load-balancer}} ``` 以下為 VPC 中的 HTTPS 負載平衡器的範例回應。 輸出： ``` { "LoadBalancerDescriptions": [ { "Subnets": [ "subnet-15aaab61" ], "CanonicalHostedZoneNameID": "Z3DZXE0EXAMPLE", "CanonicalHostedZoneName": "my-load-balancer-1234567890.us-west-2.elb.amazonaws.com", "ListenerDescriptions": [ { "Listener": { "InstancePort": 80, "LoadBalancerPort": 80, "Protocol": "HTTP", "InstanceProtocol": "HTTP" }, "PolicyNames": [] }, { "Listener": { "InstancePort": 443, "SSLCertificateId": "arn:aws:iam::123456789012:server-certificate/my-server-cert", "LoadBalancerPort": 443, "Protocol": "HTTPS", "InstanceProtocol": "HTTPS" }, "PolicyNames": [ "ELBSecurityPolicy-2015-03" ] } ], "HealthCheck": { "HealthyThreshold": 2, "Interval": 30, "Target": "HTTP:80/png", "Timeout": 3, "UnhealthyThreshold": 2 }, "VPCId": "vpc-a01106c2", "BackendServerDescriptions": [ { "InstancePort": 80, "PolicyNames": [ "my-ProxyProtocol-policy" ] } ], "Instances": [ { "InstanceId": "i-207d9717" }, { "InstanceId": "i-afefb49b" } ], "DNSName": "my-load-balancer-1234567890.us-west-2.elb.amazonaws.com", "SecurityGroups": [ "sg-a61988c3" ], "Policies": { "LBCookieStickinessPolicies": [ { "PolicyName": "my-duration-cookie-policy", "CookieExpirationPeriod": 60 } ], "AppCookieStickinessPolicies": [], "OtherPolicies": [ "my-PublicKey-policy", "my-authentication-policy", "my-SSLNegotiation-policy", "my-ProxyProtocol-policy", "ELBSecurityPolicy-2015-03" ] }, "LoadBalancerName": "my-load-balancer", "CreatedTime": "2015-03-19T03:24:02.650Z", "AvailabilityZones": [ "us-west-2a" ], "Scheme": "internet-facing", "SourceSecurityGroup": { "OwnerAlias": "123456789012", "GroupName": "my-elb-sg" } } ] } ``` + 如需 API 詳細資訊，請參閱《AWS CLI 命令參考》**中的 [DescribeLoadBalancers](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elb/describe-load-balancers.html)。 ------ #### [ PowerShell ] **Tools for PowerShell V4** **範例 1：此範例列出負載平衡器的名稱。** ``` Get-ELBLoadBalancer | format-table -property LoadBalancerName ``` **輸出：** ``` LoadBalancerName ---------------- my-load-balancer my-other-load-balancer my-internal-load-balancer ``` **範例 2：此範例描述指定的負載平衡器。** ``` Get-ELBLoadBalancer -LoadBalancerName my-load-balancer ``` **輸出：** ``` AvailabilityZones : {us-west-2a, us-west-2b} BackendServerDescriptions : {Amazon.ElasticLoadBalancing.Model.BackendServerDescription} CanonicalHostedZoneName : my-load-balancer-1234567890.us-west-2.elb.amazonaws.com CanonicalHostedZoneNameID : Z3DZXE0EXAMPLE CreatedTime : 4/11/2015 12:12:45 PM DNSName : my-load-balancer-1234567890.us-west-2.elb.amazonaws.com HealthCheck : Amazon.ElasticLoadBalancing.Model.HealthCheck Instances : {i-207d9717, i-afefb49b} ListenerDescriptions : {Amazon.ElasticLoadBalancing.Model.ListenerDescription} LoadBalancerName : my-load-balancer Policies : Amazon.ElasticLoadBalancing.Model.Policies Scheme : internet-facing SecurityGroups : {sg-a61988c3} SourceSecurityGroup : Amazon.ElasticLoadBalancing.Model.SourceSecurityGroup Subnets : {subnet-15aaab61} VPCId : vpc-a01106c2 ``` **範例 3：此範例說明目前 AWS 區域中的所有負載平衡器。** ``` Get-ELBLoadBalancer ``` **範例 4：此範例描述所有可用 AWS 區域的所有負載平衡器。** ``` Get-AWSRegion | % { Get-ELBLoadBalancer -Region $_ } ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V4)》**中的 [DescribeLoadBalancers](https://docs.aws.amazon.com/powershell/v4/reference)。 **Tools for PowerShell V5** **範例 1：此範例列出負載平衡器的名稱。** ``` Get-ELBLoadBalancer | format-table -property LoadBalancerName ``` **輸出：** ``` LoadBalancerName ---------------- my-load-balancer my-other-load-balancer my-internal-load-balancer ``` **範例 2：此範例描述指定的負載平衡器。** ``` Get-ELBLoadBalancer -LoadBalancerName my-load-balancer ``` **輸出：** ``` AvailabilityZones : {us-west-2a, us-west-2b} BackendServerDescriptions : {Amazon.ElasticLoadBalancing.Model.BackendServerDescription} CanonicalHostedZoneName : my-load-balancer-1234567890.us-west-2.elb.amazonaws.com CanonicalHostedZoneNameID : Z3DZXE0EXAMPLE CreatedTime : 4/11/2015 12:12:45 PM DNSName : my-load-balancer-1234567890.us-west-2.elb.amazonaws.com HealthCheck : Amazon.ElasticLoadBalancing.Model.HealthCheck Instances : {i-207d9717, i-afefb49b} ListenerDescriptions : {Amazon.ElasticLoadBalancing.Model.ListenerDescription} LoadBalancerName : my-load-balancer Policies : Amazon.ElasticLoadBalancing.Model.Policies Scheme : internet-facing SecurityGroups : {sg-a61988c3} SourceSecurityGroup : Amazon.ElasticLoadBalancing.Model.SourceSecurityGroup Subnets : {subnet-15aaab61} VPCId : vpc-a01106c2 ``` **範例 3：此範例說明目前 AWS 區域中的所有負載平衡器。** ``` Get-ELBLoadBalancer ``` **範例 4：此範例描述所有可用 AWS 區域的所有負載平衡器。** ``` Get-AWSRegion | % { Get-ELBLoadBalancer -Region $_ } ``` + 如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V5)》**中的 [DescribeLoadBalancers](https://docs.aws.amazon.com/powershell/v5/reference)。 ------