doc-exports/docs/elb/api-ref/elb_zq_zg_0004.html

Updating a Forwarding Rule

Function

This API is used to update a forwarding rule. You can change the mode that how traffic is distributed by updating the forwarding rule.

URI

PUT /v2.0/lbaas/l7policies/{l7policy_id}/rules/{l7rule_id}

Table 1 Parameter description

Parameter	Mandatory	Type	Description
l7policy_id	Yes	String	Specifies the forwarding policy ID.
l7rule_id	Yes	String	Specifies the forwarding rule ID.

Request

Table 2 Parameter description

Parameter	Mandatory	Type	Description
rule	Yes	Object	Specifies the forwarding rule. For details, see Table 3.

Table 3 rule parameter description

Parameter	Mandatory	Type	Description
compare_type	No	String	Specifies the match mode. The options are as follows: When type is set to HOST_NAME, the value of this parameter can only be the following: EQUAL_TO: indicates exact match. When type is set to PATH, the value of this parameter can be one of the following: REGEX: indicates regular expression match. STARTS_WITH: indicates prefix match. EQUAL_TO: indicates exact match.
admin_state_up	No	Boolean	Specifies the administrative status of the forwarding rule. This parameter is reserved, and the default value is true.
invert	No	Boolean	Specifies whether reverse matching is supported. The value can be true or false. The default value is false. This parameter is reserved.
key	No	String	Specifies the key of the match content. The default value is null. This parameter is reserved. The value contains a maximum of 255 characters.
value	No	String	Specifies the value of the match content. The value cannot contain spaces. The value contains a maximum of 128 characters. When type is set to HOST_NAME, the value can contain a maximum of 100 characters that contain only letters, digits, hyphens (-), and periods (.), and must start with a letter or digit. When type is set to PATH, the value can contain a maximum of 128 characters. When compare_type is set to STARTS_WITH or EQUAL_TO, the value must start with a slash (/) and can contain only letters, digits, and special characters _~';@^-%#&$.*+?,=!:| \/()[]{}

Response

Table 4 Response parameters

Parameter	Type	Description
rule	Object	Specifies the forwarding rule. For details, see Table 5.

Table 5 rule parameter description

Parameter	Type	Description
id	String	Specifies the forwarding rule ID.
tenant_id	String	Specifies the ID of the project where the forwarding rule is used. The value contains a maximum of 255 characters.
admin_state_up	Boolean	Specifies the administrative status of the forwarding rule. This parameter is reserved. The value can be true or false. true: Enabled false: Disabled
type	String	Specifies the match type of a forwarding rule. The value can be one of the following: HOST_NAME: matches the domain name in the request. PATH: matches the path in the request.
compare_type	String	Specifies the match mode. The options are as follows: When type is set to HOST_NAME, the value of this parameter can only be the following: EQUAL_TO: indicates exact match. When type is set to PATH, the value of this parameter can be one of the following: REGEX: indicates regular expression match. STARTS_WITH: indicates prefix match. EQUAL_TO: indicates exact match.
invert	Boolean	Specifies whether reverse matching is supported. The value can be true or false. The default value is false. This parameter is reserved.
key	String	Specifies the key of the match content. The default value is null. This parameter is reserved. The value contains a maximum of 255 characters.
value	String	Specifies the value of the match content. The value contains a maximum of 128 characters. When type is set to HOST_NAME, the value can contain a maximum of 100 characters that contain only letters, digits, hyphens (-), and periods (.), and must start with a letter or digit. When type is set to PATH, the value can contain a maximum of 128 characters. When compare_type is set to STARTS_WITH or EQUAL_TO, the value must start with a slash (/) and can contain only letters, digits, and special characters _~';@^-%#&$.*+?,=!:| \/()[]{}
provisioning_status	String	This parameter is reserved, and its value can only be ACTIVE. It specifies the provisioning status of the forwarding rule.

Example Request

• Example request: Updating a forwarding rule

  PUT https://{Endpoint}/v2.0/lbaas/l7policies/5ae0e1e7-5f0f-47a1-b39f-5d4c428a1586/rules/c6f457b8-bf6f-45d7-be5c-a3226945b7b1
  
  {
      "rule": {
          "compare_type": "STARTS_WITH", 
          "value": "/ccc.html"
      }
  }

Example Response

• Example response

  {
      "rule": {
          "compare_type": "STARTS_WITH", 
          "provisioning_status": "ACTIVE",
          "admin_state_up": true, 
          "tenant_id": "a31d2bdcf7604c0faaddb058e1e08819",
   
          "invert": false, 
          "value": "/ccc.html", 
          "key": null, 
          "type": "PATH", 
          "id": "c6f457b8-bf6f-45d7-be5c-a3226945b7b1"
      }
  }

Status Code

For details, see HTTP Status Codes of Shared Load Balancers.

Parent topic: Forwarding Rule