ModifyLoadBalancer

1. API Description

Domain name for API request: teo.tencentcloudapi.com.

This API is used to modify LoadBalancer configuration. The load balancing feature is in beta test. If you need to use it, contact us.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name	Required	Type	Description
Action	Yes	String	Common Params. The value used for this API: ModifyLoadBalancer.
Version	Yes	String	Common Params. The value used for this API: 2022-09-01.
Region	No	String	Common Params. This parameter is not required.
ZoneId	Yes	String	Zone ID.
InstanceId	Yes	String	CLB instance ID.
Name	No	String	LoadBalancer name, which can contain 1 to 200 characters, including a-z, A-Z, 0-9, underscores (_), and hyphens (-). The original configuration applies if this field is not specified.
OriginGroups.N	No	Array of OriginGroupInLoadBalancer	List of origin server groups and their corresponding disaster recovery scheduling priorities. For details, refer to Sample Scenario in Quickly Create Load Balancers. The original configuration applies if this field is not specified.
HealthChecker	No	HealthChecker	Health check policy. For details, refer to Health Check Policies. The original configuration applies if this field is not specified.
SteeringPolicy	No	String	Traffic scheduling policy among origin server groups. Valid values: Priority: Perform failover according to priority. The original configuration applies if this field is not specified.
FailoverPolicy	No	String	Request retry policy when access to an origin server fails. For details, refer to Introduction to Request Retry Strategy. Valid values: OtherOriginGroup: After a single request fails, retry with another origin server within the next lower priority origin server group. OtherRecordInOriginGroup: After a single request fails, retry with another origin server within the same origin server group. The original configuration applies if not specified.

3. Output Parameters

Parameter Name	Type	Description
RequestId	String	The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Modifying the Check Policy of a LoadBalancer

This example shows you how to change the check policy of a LoadBalancer to HTTP probe.

Input Example

POST / HTTP/1.1
Host: teo.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ModifyLoadBalancer
<Common request parameters>

{
    "ZoneId": "zone-2ju9lrnpaxol",
    "Name": "HTTP-LB",
    "OriginGroups": [
        {
            "Priority": "priority_1",
            "OriginGroupId": "og-30l5kv5z2bse"
        },
        {
            "Priority": "priority_2",
            "OriginGroupId": "oog-30l3kv5z2bse"
        },
        {
            "Priority": "priority_3",
            "OriginGroupId": "og-30l5kv5z22e9"
        }
    ],
    "HealthChecker": {
        "Type": "HTTP",
        "Path": "www.qq.com/test111",
        "Port": 80,
        "Interval": 30,
        "Method": "HEAD",
        "ExpectedCodes": [
            "200",
            "400",
            "401",
            "402",
            "403",
            "404",
            "405",
            "406",
            "408",
            "409",
            "410",
            "411",
            "412",
            "413",
            "414",
            "415",
            "416",
            "417",
            "418",
            "421",
            "423",
            "424",
            "426",
            "429",
            "431",
            "433",
            "434",
            "444",
            "451",
            "499"
        ],
        "FollowRedirect": "false",
        "Headers": [
            {
                "Key": "header1",
                "Value": "header1"
            },
            {
                "Key": "header2",
                "Value": "header2"
            }
        ],
        "Timeout": 5,
        "HealthThreshold": 3,
        "CriticalThreshold": 2
    },
    "SteeringPolicy": "Pritory",
    "FailoverPolicy": "OtherRecordInOriginGroup",
    "InstanceId": "lb-2sswjr6gnfy2"
}

Output Example

{
    "Response": {
        "RequestId": "a66b1739-9f63-4c2b-bad2-8ef0ca714d56"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code	Description
InvalidParameter.LoadBalancerBindL4NotInStableStatus	The Layer-4 proxy service referencing a LoadBalancer is being deployed. Please edit later.
InvalidParameter.LoadBalancerBindL7NotInStableStatus	The Layer-7 domain name service referencing a LoadBalancer is being deployed. Please edit later.

1. API Description
2. Input Parameters
3. Output Parameters
4. Example
Example1 Modifying the Check Policy of a LoadBalancer
5. Developer Resources
SDK
Command Line Interface
6. Error Code