Help Center/ Config/ API Reference/ APIs/ Resource Relationships/ Querying Resource Relationships

Updated on 2025-12-15 GMT+08:00

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Querying Resource Relationships

Function

This API is used to query resource relationships. You can specify a resource by ID and set the direction to in or out. To query resource relationships, the resource recorder must be enabled.

Calling Method

For details, see Calling APIs.

URI

GET /v1/resource-manager/domains/{domain_id}/resources/{resource_id}/relations

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
domain_id	Yes	String	Specifies the account ID. Maximum: 36
resource_id	Yes	String	Specifies the resource ID. Maximum: 512

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
direction	Yes	String	Specifies the resource relationship direction.
limit	No	Integer	Specifies the maximum number of records to return. Minimum: 1 Maximum: 1000
marker	No	String	Specifies the pagination parameter. You can use the marker value in a subsequent call to request the next set of list items. Minimum: 4 Maximum: 400

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	No	String	Specifies the invoker's token.
X-Security-Token	No	String	Specifies a temporary security credential. This parameter is mandatory when you make an API call using a temporary security credential.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
relations	Array of ResourceRelation objects	Specifies the list of the resource relationships.
page_info	PageInfo object	Specifies the pagination object.

**Table 5** ResourceRelation
Parameter	Type	Description
relation_type	String	Specifies the relationship type.
from_resource_type	String	Specifies the type of the source resource.
to_resource_type	String	Specifies the type of the destination resource.
from_resource_id	String	Specifies the ID of the source resource.
to_resource_id	String	Specifies the ID of the destination resource.

**Table 6** PageInfo
Parameter	Type	Description
current_count	Integer	Specifies the resource quantity on the current page. Minimum: 0 Maximum: 200
next_marker	String	Specifies the marker value of the next page. Minimum: 4 Maximum: 400

Status code: 400

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Specifies the error code.
error_msg	String	Specifies the error message.

Status code: 403

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Specifies the error code.
error_msg	String	Specifies the error message.

Status code: 404

**Table 9** Response body parameters
Parameter	Type	Description
error_code	String	Specifies the error code.
error_msg	String	Specifies the error message.

Status code: 500

**Table 10** Response body parameters
Parameter	Type	Description
error_code	String	Specifies the error code.
error_msg	String	Specifies the error message.

Example Requests

GET https://{endpoint}/v1/resource-manager/domains/{domain_id}/resources/{resource_id}/relations?direction=out&limit=1000

Example Responses

Status code: 200

Operation succeeded.

{
  "relations" : [ {
    "relation_type" : "isAttachedTo",
    "from_resource_type" : "ecs.cloudservers",
    "to_resource_type" : "evs.volumes",
    "from_resource_id" : "6af96128-d58d-426c-91e0-b38144c0f112",
    "to_resource_id" : "0075ed19-59dd-49be-961d-117bb6fbfd3e"
  }, {
    "relation_type" : "contains",
    "from_resource_type" : "ecs.cloudservers",
    "to_resource_type" : "vpc.publicips",
    "from_resource_id" : "6af96128-d58d-426c-91e0-b38144c0f112",
    "to_resource_id" : "3813d6d3-ef88-47b1-b343-cdf6390c6dcb"
  }, {
    "relation_type" : "isAssociatedWith",
    "from_resource_type" : "ecs.cloudservers",
    "to_resource_type" : "vpc.securityGroups",
    "from_resource_id" : "6af96128-d58d-426c-91e0-b38144c0f112",
    "to_resource_id" : "8cca3002-00af-4812-a853-b7a6fbee06a4"
  }, {
    "relation_type" : "isAttachedTo",
    "from_resource_type" : "ecs.cloudservers",
    "to_resource_type" : "evs.volumes",
    "from_resource_id" : "6af96128-d58d-426c-91e0-b38144c0f112",
    "to_resource_id" : "f4a107eb-4c6d-4dc8-88d8-de337923956f"
  }, {
    "relation_type" : "isContainedIn",
    "from_resource_type" : "ecs.cloudservers",
    "to_resource_type" : "vpc.vpcs",
    "from_resource_id" : "6af96128-d58d-426c-91e0-b38144c0f112",
    "to_resource_id" : "ff13d70d-17e5-4ec8-945a-c874e0db99d3"
  } ],
  "page_info" : {
    "current_count" : 5,
    "next_marker" : null
  }
}