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doc-exports/elb/api-ref/ListL7Policies.rst

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Querying Forwarding Policies

Function

This API is used to query all forwarding policies.

Constraints

Parameters marker, limit, and page_reverse are used for pagination query.

Parameters marker and page_reverse take effect only when they are used together with parameter limit.

URI

GET /v3/{project_id}/elb/l7policies

Table 1 Path parameters
Parameter Mandatory Type Description
project_id Yes String Specifies the project ID.
Table 2 Query parameters
Parameter Mandatory Type Description
marker No String

Specifies the ID of the last record on the previous page.

Note:

  • This parameter must be used together with limit.
  • If this parameter is not specified, the first page will be queried.
  • This parameter cannot be left blank or set to an invalid ID.
limit No Integer

Specifies the number of records on each page.

Minimum: 0

Maximum: 2000
page_reverse No Boolean

Specifies the page direction.

The value can be true or false, and the default value is false.

The last page in the list requested with page_reverse set to false will not contain the "next" link, and the last page in the list requested with page_reverse set to true will not contain the "previous" link.

This parameter must be used together with limit.
enterprise_project_id No Array

Specifies the enterprise project ID.

  • If this parameter is not passed, resources in the default enterprise project are queried, and authentication is performed based on the default enterprise project.
  • If this parameter is passed, its value can be the ID of an existing enterprise project or all_granted_eps.

If the value is a specific ID, resources in the specific enterprise project are required. If the value is all_granted_eps, resources in all enterprise projects are queried.

Multiple IDs can be queried in the format of enterprise_project_id=xxx& enterprise_project_id=xxx.

This parameter is unsupported. Please do not use it.
id No Array

Specifies the forwarding policy ID.

Multiple IDs can be queried in the format of id=xxx&id=xxx.
name No Array

Specifies the forwarding policy name.

Multiple names can be queried in the format of name=xxx&name=xxx.
description No Array

Provides supplementary information about the forwarding policy.

Multiple descriptions can be queried in the format of descri ption=xxx&description=xxx.
admin_state_up No Boolean

Specifies the administrative status of the forwarding policy. The default value is true.

This parameter is unsupported. Please do not use it.
listener_id No Array

Specifies the ID of the listener to which the forwarding policy is added.

  • If action is set to REDIRECT_TO_POOL, the forwarding policy can be added to an HTTP or HTTPS listener.
  • If action is set to
REDIRECT_TO_LISTENER,

the forwarding policy can be added to an HTTP listener.

Multiple IDs can be queried in the format of listen er_id=xxx&listener_id=xxx.
position No Array

Specifies the forwarding policy priority.

Multiple priorities can be queried in the format of * position=xxx&position=xxx*.

This parameter is unsupported. Please do not use it.
action No Array

Specifies where requests will be forwarded. The value can be one of the following:

  • REDIRECT_TO_POOL: Requests will be forwarded to another backend server group.
  • REDIRECT_TO_LISTENER: Requests will be redirected to an HTTPS listener.

Multiple values can be queried in the format of action=xxx&action=xxx.
redirect_url No Array

Specifies the URL to which requests are forwarded.

Multiple URLs can be queried in the format of redirect _url=xxx&redirect_url=xxx.

This parameter is unsupported. Please do not use it.
redirect_pool_id No Array

Specifies the ID of the backend server group to which requests are forwarded. This parameter will take effect and is mandatory when action is set to REDIRECT_TO_POOL.

Multiple IDs can be queried in the format of redirect_pool_id =xxx&redirect_pool_id=xxx.
redirect_listener_id No Array

Specifies the ID of the listener to which requests are redirected. This parameter will take effect and is mandatory when action is set to REDIRECT_TO_LISTENER.

Multiple IDs can be queried in the format of redirect_listener_id=xxx &redirect_listener_id=xxx.
provisioning_status No Array

Specifies the provisioning status of the forwarding policy. The value can only be ACTIVE, indicating that the forwarding policy is provisioned successfully.

Multiple provisioning statuses can be queried in the format of provisioning_status=xx x&provisioning_status=xxx.
display_all_rules No Boolean

Specifies whether to display all information about the forwarding rule in the forwarding policy. The value can be true or false.

  • true indicates all information about the forwarding rule is displayed.
  • false indicates that only the rule ID is displayed.
priority No Array

Specifies the forwarding policy priority. A smaller value indicates a higher priority.

Multiple priorities can be queried in the format of * position=xxx&position=xxx*.

This parameter is unsupported. Please do not use it.

Request Parameters

Table 3 Request header parameters
Parameter Mandatory Type Description
X-Auth-Token Yes String Specifies the token used for IAM authentication.

Response Parameters

Status code: 200

Table 4 Response body parameters
Parameter Type Description
request_id String Specifies the request ID. The value is automatically generated.
page_info PageInfo object Shows pagination information.
l7policies Array of L7Policy objects Lists the forwarding policies.
Table 5 PageInfo
Parameter Type Description
previous_marker String Specifies the ID of the first record in the pagination query result. This parameter will not be returned if no query result is returned.
next_marker String Marks the start record on the next page in the pagination query result. This parameter will not be returned if there is no next page.
current_count Integer Specifies the number of records.
Table 6 L7Policy
Parameter Type Description
action String

Specifies where requests will be forwarded. The value can be one of the following:

  • REDIRECT_TO_POOL: Requests will be forwarded to another backend server group.
  • REDIRECT_TO_LISTENER: Requests will be redirected to an HTTPS listener.

REDIRECT_TO_LISTENER has the highest priority. If requests are to be redirected to an HTTPS listener, other forwarding policies of the listener will become invalid.
admin_state_up Boolean

Specifies the administrative status of the forwarding policy. The default value is true.

This parameter is unsupported. Please do not use it.

Default: true
description String Provides supplementary information about the forwarding policy.
id String Specifies the forwarding policy ID.
listener_id String

Specifies the ID of the listener to which the forwarding policy is added.

  • If action is set to REDIRECT_TO_POOL, the forwarding policy can be added to an HTTP or HTTPS listener.
  • If action is set to REDIRECT_TO_LISTENER, the forwarding policy can be added to an HTTP listener.
name String

Specifies the forwarding policy name.

Minimum: 1

Maximum: 255
position Integer

Specifies the forwarding policy priority. This parameter cannot be updated.

This parameter is unsupported. Please do not use it.

Minimum: 1

Maximum: 100
project_id String Specifies the project ID of the forwarding policy.
provisioning_status String

Specifies the provisioning status of the forwarding policy.

The value can only be ACTIVE.

Default: ACTIVE
redirect_listener_id String

Specifies the ID of the listener that requests are redirected to.

This parameter is valid and mandatory only when action is set to REDIRECT_TO_LISTENER.

Only HTTPS listeners are supported, and the listener cannot be any listener added to other load balancers.
redirect_pool_id String

Specifies the ID of the backend server group that requests are forwarded to.

This parameter is valid and mandatory only when action is set to REDIRECT_TO_POOL.

The specified backend server group cannot be the default one associated with the listener, or any backend server group associated with the forwarding policies of other listeners.

This parameter cannot be specified when action is set to REDIRECT_TO_LISTENER.
redirect_url String

Specifies the URL to which requests are forwarded.

Format: protocol://host:port/path?query

This parameter is unsupported. Please do not use it.
rules Array of RuleRef < #ListL7Policies__response_RuleRef>__ objects Lists the forwarding rules in the forwarding policy.
redirect_url_config RedirectUrlConfig <#ListL7Pol icies__response_RedirectUrlConfig>__ object

Specifies the URL to which requests are forwarded.

For shared load balancers, this parameter is not supported. If it is passed, an error will be returned.

For dedicated load balancers, this parameter will take effect only when advanced forwarding is enabled (enhance_l7policy_enable is set to true). If it is passed when enhance_l7policy_enable is set to false, an error will be returned.

Format: protocol://host:port/path?query

At least one of the four parameters (protocol, host, port, and path) must be passed, or their values cannot be set to ${xxx} at the same time. (${xxx} indicates that the value in the request will be inherited. For example, ${host} indicates the host in the URL to be redirected.)

The values of protocol and port cannot be the same as those of the associated listener, and either host or path must be passed or their values cannot be ${xxx} at the same time.

This parameter is unsupported. Please do not use it.
fixed_response_config FixtedResponseConfig <#ListL7Polici es__response_FixtedResponseConfig>__ object

Specifies the configuration of the page that will be returned. This parameter will take effect when enhance_l7policy_enable is set to true. If this parameter is passed and enhance_l7policy_enable is set to false, an error will be returned. For shared load balancers, this parameter is not supported. If it is passed, an error will be returned.

This parameter is unsupported. Please do not use it.
priority Integer

Specifies the forwarding policy priority. This parameter is available only for dedicated load balancers and will take effect when enhance_l7policy_enable is set to true.

A smaller value indicates a higher priority. The value must be unique for each forwarding policy of the same listener.

If action is set to REDIRECT_TO_LISTENER, the value can only be 0, indicating that REDIRECT_TO_LISTENER has the highest priority.

  • If enhance_l7policy_enable is set to false, forwarding policies are automatically prioritized based on the original sorting logic. Forwarding policy priorities are independent of each other regardless of domain names. If forwarding policies use the same domain name, their priorities follow the order of exact match (EQUAL_TO), prefix match (STARTS_WITH), and regular expression match (REGEX). If prefix match is used for matching, the longer the path, the higher the priority. If a forwarding policy contains only a domain name without a path specified, the path is /, and prefix match is used by default.
  • If enhance_l7policy_enable is set to true and this parameter is not passed, the priority will set to a sum of 1 and the highest priority of existing forwarding policy in the same listener by default. There will be two cases: a) If the highest priority of existing forwarding policies is the maximum (10,000), the forwarding policy will fail to create because the final priority for creating the forwarding policy is the sum of 1 and 10,000, which exceeds the maximum. In this case, please specify a value or adjust the priorities of existing forwarding policies. b) If no forwarding policies exist, the highest priority of existing forwarding policies will set to 1 by default.

This parameter is unsupported. Please do not use it.

Minimum: 0

Maximum: 10000
Table 7 RuleRef
Parameter Type Description
id String Specifies the forwarding rule ID.
Table 8 RedirectUrlConfig
Parameter Type Description
protocol String

Specifies the protocol for redirection. The default value is ${protocol}, indicating that the protocol of the request will be used.

Value options:

  • HTTP
  • HTTPS
  • ${protocol}

Minimum: 1

Maximum: 36
host String

Specifies the host name that requests are redirected to. The value can contain only letters, digits, hyphens (-), and periods (.) and must start with a letter or digit. The default value is ${host}, indicating that the host of the request will be used.

Default: ${host}

Minimum: 1

Maximum: 128
port String

Specifies the port that requests are redirected to. The default value is ${port}, indicating that the port of the request will be used.

Default: ${port}

Minimum: 1

Maximum: 16
path String

Specifies the path that requests are redirected to. The default value is ${path}, indicating that the path of the request will be used. The value can contain only letters, digits, and special characters _-';@^- %#&$.*+?,=!:|/()[]{} and must start with a slash (/).

Default: ${path}

Minimum: 1

Maximum: 128
query String

Specifies the query string set in the URL for redirection. The default value is ${query}, indicating that the query string of the request will be used.

For example, in the URL https://www. xxx.com:8080/elb?type=loadbalancer, ${query} indicates type=loadbalancer. If this parameter is set to ${query}&name=my_name, the URL will be redirected to https://www.xxx.com:8080/ elb?type=loadbalancer&name=my_name.

The value is case-sensitive and can contain only letters, digits, and special characters !$&'()*+,-./:;=?@^_`

Default: ${query}

Minimum: 0

Maximum: 128
status_code String

Specifies the status code returned after the requests are redirected.

Value options:

  • 301
  • 302
  • 303
  • 307
  • 308

Minimum: 1

Maximum: 16
Table 9 FixtedResponseConfig
Parameter Type Description
status_code String

Specifies the HTTP status code configured in the forwarding policy. The value can be any integer in the range of 200–299, 400–499, or 500–599.

Minimum: 1

Maximum: 16
content_type String

Specifies the format of the response body.

Value options:

  • text/plain
  • text/css
  • text/html
  • application/javascript
  • application/json

Minimum: 0

Maximum: 32
message_body String

Specifies the content of the response body.

Minimum: 0

Maximum: 1024

Example Requests

GET

https://{elb_endpoint}/v3/99a3fff0d03c428eac3678da6a7d0f24/elb/l7policies?display_all_rules=true

Example Responses

Status code: 200

Successful request.

{
  "request_id" : "d3c67339-be91-4813-bb24-85728a5d326a",
  "l7policies" : [ {
    "redirect_pool_id" : "3b34340d-59e8-4c70-9ef5-b41b12023dc9",
    "description" : "",
    "admin_state_up" : true,
    "rules" : [ {
      "id" : "1e5f17df-feec-427e-a162-8e4e05e91085"
    } ],
    "project_id" : "99a3fff0d03c428eac3678da6a7d0f24",
    "listener_id" : "e2220d2a-3faf-44f3-8cd6-0c42952bd0ab",
    "action" : "REDIRECT_TO_POOL",
    "position" : 100,
    "provisioning_status" : "ACTIVE",
    "id" : "0d7bf316-2e03-411f-bf29-c403c04e52bf",
    "name" : "elbv3"
  }, {
    "redirect_pool_id" : "3b34340d-59e8-4c70-9ef5-b41b12023dc9",
    "description" : "",
    "admin_state_up" : true,
    "rules" : [ {
      "id" : "0f5e8c34-09d1-4588-8459-f9b9add0be05"
    } ],
    "project_id" : "99a3fff0d03c428eac3678da6a7d0f24",
    "listener_id" : "e2220d2a-3faf-44f3-8cd6-0c42952bd0ab",
    "action" : "REDIRECT_TO_POOL",
    "position" : 100,
    "provisioning_status" : "ERROR",
    "id" : "2587d8b1-9e8d-459c-9081-7bccaa075d2b",
    "name" : "elbv3"
  } ],
  "page_info" : {
    "next_marker" : "2587d8b1-9e8d-459c-9081-7bccaa075d2b",
    "previous_marker" : "0d7bf316-2e03-411f-bf29-c403c04e52bf",
    "current_count" : 2
  }
}

Status Codes

Status Code Description
200 Successful request.

Error Codes

See Error Codes.

Parent topic: Forwarding Policy