:original_name: vpc_subnet01_0003.html .. _vpc_subnet01_0003: Querying Subnets ================ Function -------- This API is used to query subnets using search criteria and to display the subnets in a list. URI --- GET /v1/{project_id}/subnets Example: .. code-block:: text GET https://{Endpoint}/v1/{project_id}/subnets?limit=10&marker=4779ab1c-7c1a-44b1-a02e-93dfc361b32d&vpc_id=3ec3b33f-ac1c-4630-ad1c-7dba1ed79d85 .. table:: **Table 1** Parameter description +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Name | Mandatory | Type | Description | +=================+=================+=================+========================================================================================================================================================================================================================+ | project_id | Yes | String | Specifies the project ID. | +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 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, all resource records 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, resource records starting from the 11th records (including 11th) will be returned. | +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | limit | No | Integer | Specifies the number of records that will be returned on each page. The value is from 0 to intmax. | | | | | | | | | | **limit** can be used together with **marker**. For details, see the parameter description of **marker**. | +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | vpc_id | No | String | Specifies that the VPC ID is used as the filtering condition. | | | | | | | | | | This field is mandatory in the fine-grained authorization scenario based on enterprise projects. | +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ Request Message --------------- - Request parameter None - Example request .. code-block:: text GET https://{Endpoint}/v1/{project_id}/subnets Response Message ---------------- - Response parameter .. table:: **Table 2** Response parameter +---------+-----------------------------------------------------------------------+------------------------+ | Name | Type | Description | +=========+=======================================================================+========================+ | subnets | Array of :ref:`subnet ` objects | Specifies the subnets. | +---------+-----------------------------------------------------------------------+------------------------+ .. _vpc_subnet01_0003__table946390317596: .. table:: **Table 3** **subnet** objects +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | Name | Type | Description | +=======================+===============================================================================+=====================================================================================================================================+ | id | String | Specifies a resource ID in UUID format. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | name | String | - Specifies the subnet name. | | | | - The value can contain 1 to 64 characters, including letters, digits, underscores (_), hyphens (-), and periods (.). | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | description | String | - Provides supplementary information about the subnet. | | | | - The value can contain no more than 255 characters and cannot contain angle brackets (< or >). | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | cidr | String | Specifies the subnet CIDR block. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | gateway_ip | String | Specifies the subnet gateway address. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | dhcp_enable | Boolean | Specifies whether the DHCP function is enabled for the subnet. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | primary_dns | String | Specifies the IP address of DNS server 1 on the subnet. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | secondary_dns | String | Specifies the IP address of DNS server 2 on the subnet. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | dnsList | Array of strings | Specifies the IP address list of DNS servers on the subnet. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | availability_zone | String | Identifies the AZ to which the subnet belongs. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | vpc_id | String | Specifies the ID of the VPC to which the subnet belongs. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | status | String | - Specifies the status of the subnet. | | | | - The value can be **ACTIVE**, **UNKNOWN**, or **ERROR**. | | | | | | | | - **ACTIVE**: indicates that the subnet has been associated with a VPC. | | | | - **UNKNOWN**: indicates that the subnet has not been associated with a VPC. | | | | - **ERROR**: indicates that the subnet is abnormal. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | neutron_network_id | String | Specifies the ID of the corresponding network (OpenStack Neutron API). | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | neutron_subnet_id | String | Specifies the ID of the corresponding subnet (OpenStack Neutron API). | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ | extra_dhcp_opts | Array of :ref:`extra_dhcp_opt ` objects | Specifies the NTP server address configured for the subnet. For details, see :ref:`Table 4 `. | +-----------------------+-------------------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+ .. _vpc_subnet01_0003__table019517383270: .. table:: **Table 4** **extra_dhcp_opt** object +-----------------+-----------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Name | Mandatory | Type | Description | +=================+=================+=================+======================================================================================================================================================================================================================================================================================================================================================================================================================================+ | opt_value | No | String | - Specifies the NTP server address configured for the subnet. | | | | | | | | | | - Constraints: | | | | | | | | | | The option **ntp** for **opt_name** indicates the NTP server configured for the subnet. Currently, only IPv4 addresses are supported. A maximum of four IP addresses can be configured, and each address must be unique. Multiple IP addresses must be separated using commas (,). The option **null** for **opt_name** indicates that no NTP server is configured for the subnet. The parameter value cannot be an empty string. | +-----------------+-----------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | opt_name | Yes | String | - Specifies the NTP server address name configured for the subnet. | | | | | - Currently, the value can only be set to **ntp**. | +-----------------+-----------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ - Example response .. code-block:: { "subnets": [ { "id": "4779ab1c-7c1a-44b1-a02e-93dfc361b32d", "name": "subnet", "cidr": "192.168.20.0/24", "dnsList": [ "114.xx.xx.114", "114.xx.xx.115" ], "status": "ACTIVE", "vpc_id": "3ec3b33f-ac1c-4630-ad1c-7dba1ed79d85", "gateway_ip": "192.168.20.1", "dhcp_enable": true, "primary_dns": "114.xx.xx.114", "secondary_dns": "114.xx.xx.115", "availability_zone": "aa-bb-cc",//For example, the AZ is aa-bb-cc. "neutron_network_id": "4779ab1c-7c1a-44b1-a02e-93dfc361b32d", "neutron_subnet_id": "213cb9d-3122-2ac1-1a29-91ffc1231a12" "extra_dhcp_opts": [ { "opt_value": "10.100.0.33,10.100.0.34", "opt_name": "ntp" } ] }, { "id": "531dec0f-3116-411b-a21b-e612e42349fd", "name": "Subnet1", "description": "", "cidr": "192.168.1.0/24", "dnsList": [ "114.xx.xx.114", "114.xx.xx.115" ], "status": "ACTIVE", "vpc_id": "3ec3b33f-ac1c-4630-ad1c-7dba1ed79d85", "gateway_ip": "192.168.1.1", "dhcp_enable": true, "primary_dns": "114.xx.xx.114", "secondary_dns": "114.xx.xx.115", "availability_zone": "aa-bb-cc",//For example, the AZ is aa-bb-cc. "neutron_network_id": "531dec0f-3116-411b-a21b-e612e42349fd", "neutron_subnet_id": "1aac193-a2ad-f153-d122-12d64c2c1d78", "extra_dhcp_opts": [ { "opt_value": "10.100.0.33,10.100.0.34", "opt_name": "ntp" } ] } ] } Status Code ----------- See :ref:`Status Codes `. Error Code ---------- See :ref:`Error Codes `.