Querying Routers

Function

This API is used to query all routers accessible to the tenant submitting the request.

URI

GET /v2.0/routers

Example:

GET https://{Endpoint}/v2.0/routers?id={id}&name={name}&admin_state_up={admin_state_up}&tenant_id={tenant_id}&status={status}

Example of querying routers by page

GET https://{Endpoint}/v2.0/routers?limit=2&marker=01ab4be1-4447-45fb-94be-3ee787ed4ebe&page_reverse=False

Table 1 describes the parameters.

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
id	No	String	Specifies that the router ID is used as the filtering condition.
admin_state_up	No	Boolean	Specifies that the admin state is used as the filtering condition. The value can be true or false.
status	No	String	Specifies that the router status is used as the filtering condition. The value can be ACTIVE, DOWN, or ERROR.
tenant_id	No	String	Specifies that the project ID is used as the filtering condition.
marker	No	String	Specifies a resource ID for pagination query, indicating that the query starts from the next record of the specified resource ID. This parameter can work together with the parameter limit. If parameters marker and limit are not passed, resource records on the first page will be returned. If the parameter marker is not passed and the value of parameter limit is set to 10, the first 10 resource records will be returned. If the value of the parameter marker is set to the resource ID of the 10th record and the value of parameter limit is set to 10, the 11th to 20th resource records will be returned. If the value of the parameter marker is set to the resource ID of the 10th record and the parameter limit is not passed, 11th to 2,000th resource records will be returned. The default value of limit is 2000.
limit	No	Integer	Specifies the number of records that will be returned on each page. The value is from 0 to intmax (2^31-1). The default value is 2000. limit can be used together with marker. For details, see the parameter description of marker.

Request Parameters

None

Example Request

GET https://{Endpoint}/v2.0/routers?limit=1

Response Parameters

**Table 2** Response parameter
Parameter	Type	Description
routers	Array of router objects	Specifies the router list. For details, see Table 3.
routers_links	Array of routers_link objects	Specifies the pagination information. For details, see Table 6. Only when limit is used for filtering and the number of resources exceeds the value of limit or 2000 (default value of limit), value next will be returned for rel and a link for href.

**Table 3** **router** objects
Attribute	Type	Description
id	String	Specifies the router ID. This parameter is not mandatory when you query routers.
name	String	Specifies the router name. The name can contain only letters, digits, underscores (_), hyphens (-), and periods (.).
admin_state_up	Boolean	Specifies the administrative status. The value can only be true.
status	String	Specifies the router status. The value can be ACTIVE, DOWN, or ERROR.
tenant_id	String	Specifies the project ID.
external_gateway_info	external_gateway_info object	Specifies the external gateway. This is an extended attribute. For details, see the external_gateway_info objects.
routes	Array of route objects	Specifies a route list. This is an extended attribute. For details, see Table 5.
project_id	String	Specifies the project ID. For details about how to obtain a project ID, see Obtaining a Project ID.
created_at	String	Specifies the time (UTC) when the router is created. Format: yyyy-MM-ddTHH:mm:ss
updated_at	String	Specifies the time (UTC) when the router is updated. Format: yyyy-MM-ddTHH:mm:ss

**Table 4** **external_gateway_info** objects
Attribute	Type	Description
network_id	String	Specifies the UUID of the external network. You can use GET /v2.0/networks?router:external=True or run the neutron net-external-list command to query information about the external network.
enable_snat	Boolean	Specifies whether the SNAT function is enabled. The default value is false.

**Table 5** **route** objects
Attribute	Type	Description
destination	String	Specifies the IP address range.
nexthop	String	Specifies the next hop IP address. The IP address can only be one in the subnet associated with the router.

**Table 6** **routers_link** object
Parameter	Type	Description
href	String	Specifies the API link.
rel	String	Specifies the relationship between the API link and the API version.

Example Response

{
    "routers": [
        {
            "id": "01ab4be1-4447-45fb-94be-3ee787ed4ebe",
            "name": "xiaoleizi-tag",
            "status": "ACTIVE",
            "tenant_id": "bbfe8c41dd034a07bebd592bf03b4b0c",
            "project_id": "bbfe8c41dd034a07bebd592bf03b4b0c",
            "admin_state_up": true,
            "external_gateway_info": {
                "network_id": "0a2228f2-7f8a-45f1-8e09-9039e1d09975",
                "enable_snat": false
            },
            "routes": [
                {
                    "destination": "0.0.0.0/0",
                    "nexthop": "172.16.0.124"
                }
            ],
            "created_at": "2018-03-23T09:26:08",
            "updated_at": "2018-08-24T08:49:53"
        }
    ],
    "routers_links": [
       {
            "rel": "next", 
            "href": "https://{Endpoint}/v2.0/routers?limit=1&marker=01ab4be1-4447-45fb-94be-3ee787ed4ebe"
        }, 
       {    "rel": "previous", 
            "href": "https://{Endpoint}/v2.0/routers?limit=1&marker=01ab4be1-4447-45fb-94be-3ee787ed4ebe&page_reverse=True"
        }
    ]
}