Querying DNAT Rules
Function
This API is used to query DNAT rules.
Constraints
You can type a question mark (?) and an ampersand (&) at the end of the URI to define different search criteria. All optional parameters can be filtered. For details, see the example request.
Calling Method
For details, see Calling APIs.
URI
GET /v2/{project_id}/dnat_rules
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Specifies the project ID. Minimum: 1 Maximum: 36 |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
admin_state_up |
No |
Boolean |
Specifies whether the DNAT rule is frozen. The value can be: true: The DNAT rule is unfrozen. false: The DNAT rule is frozen. |
external_service_port |
No |
Integer |
Specifies the port used by the floating IP address to provide services for external systems. Supported range: 0 to 65535 Minimum: 0 Maximum: 65535 Minimum: 1 Maximum: 5 |
floating_ip_address |
No |
String |
Specifies the EIP address. Minimum: 7 Maximum: 15 |
status |
No |
Array |
Specifies the DNAT rule status. The value can be: ACTIVE: The DNAT rule is available. PENDING_CREATE: The DNAT rule is being created. PENDING_UPDATE: The DNAT rule is being updated. PENDING_DELETE: The DNAT rule is being deleted. EIP_FREEZED: The EIP is frozen. INACTIVE: The DNAT rule is unavailable. Array Length: 1 - 10 Enumeration values:
|
floating_ip_id |
No |
String |
Specifies the EIP ID. Minimum: 36 Maximum: 36 |
internal_service_port |
No |
Integer |
Specifies the port used by ECSs or BMSs to provide services for external systems. Supported range: 0 to 65535 Minimum: 0 Maximum: 65535 Minimum: 1 Maximum: 5 |
limit |
No |
Integer |
Specifies the number of records displayed on each page. Value range: 0 to 2000 Default value: 2000 Minimum: 1 Maximum: 2000 Default: 2000 |
id |
No |
String |
Specifies the DNAT rule ID. Minimum: 1 Maximum: 36 |
description |
No |
String |
Provides supplementary information about the DNAT rule. The description can contain up to 255 characters and cannot contain angle brackets (<>). Minimum: 0 Maximum: 255 |
created_at |
No |
String |
Specifies when the DNAT rule was created. The time is in yyyy-mm-dd hh:mm:ss.SSSSSS format. Minimum: 1 Maximum: 36 |
nat_gateway_id |
No |
Array |
Specifies the public NAT gateway ID. Array Length: 1 - 10 |
port_id |
No |
String |
Specifies the port ID of an ECS or BMS. This parameter applies to VPC scenarios. Configure either port_id or private_ip. Minimum: 36 Maximum: 36 |
private_ip |
No |
String |
Specifies the private IP address of a user. This parameter applies to Direct Connect and Cloud Connect scenarios. Configure either private_ip or port_id. Minimum: 7 Maximum: 15 |
protocol |
No |
Array |
Specifies the protocol. TCP, UDP, and ANY are supported. The protocol number of TCP, UDP, and ANY are 6, 17, and 0, respectively. Array Length: 1 - 10 |
marker |
No |
String |
Specifies the ID of the resource from which a pagination query starts, indicating that the query starts from the next record of the specified resource.
Minimum: 36 Maximum: 36 |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
Specifies the user token. It is a response to the API for obtaining a user token. This API is the only one that does not require authentication. The value of X-Subject-Token in the response header is the token. Minimum: 1 Maximum: 10240 |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
dnat_rules |
Array of NatGatewayDnatRuleResponseBody objects |
Specifies the response body for querying DNAT rules. Array Length: 0 - 2000 |
Parameter |
Type |
Description |
---|---|---|
id |
String |
Specifies the DNAT rule ID. Minimum: 36 Maximum: 36 |
tenant_id |
String |
Specifies the project ID. Minimum: 1 Maximum: 36 |
description |
String |
Provides supplementary information about the DNAT rule. The description can contain up to 255 characters and cannot contain angle brackets (<>). Minimum: 0 Maximum: 255 |
port_id |
String |
Specifies the port ID of an ECS or BMS. This parameter applies to VPC scenarios. Configure either port_id or private_ip. Minimum: 36 Maximum: 36 |
private_ip |
String |
Specifies the private IP address of a user. This parameter applies to Direct Connect and Cloud Connect scenarios. Configure either private_ip or port_id. Minimum: 7 Maximum: 15 |
internal_service_port |
Integer |
Specifies the port used by ECSs or BMSs to provide services for external systems. Supported range: 0 to 65535 Minimum: 0 Maximum: 65535 Minimum: 1 Maximum: 5 |
nat_gateway_id |
String |
Specifies the public NAT gateway ID. Minimum: 1 Maximum: 36 |
floating_ip_id |
String |
Specifies the EIP ID. Minimum: 1 Maximum: 36 |
floating_ip_address |
String |
Specifies the EIP address. Minimum: 7 Maximum: 15 |
external_service_port |
Integer |
Specifies the port used by the floating IP address to provide services for external systems. Supported range: 0 to 65535 |
status |
String |
Specifies the DNAT rule status. The value can be: ACTIVE: The DNAT rule is available. PENDING_CREATE: The DNAT rule is being created. PENDING_UPDATE: The DNAT rule is being updated. PENDING_DELETE: The DNAT rule is being deleted. EIP_FREEZED: The EIP is frozen. INACTIVE: The DNAT rule is unavailable. Enumeration values:
|
admin_state_up |
Boolean |
Specifies whether the DNAT rule is frozen. The value can be:
|
internal_service_port_range |
String |
Specifies the port range used by ECSs or BMSs to provide services for external systems. The number of ports must be the same as that of external _service_port_range. Supported range: 1 to 65535 Specify two port numbers connected by a single hyphen (-) and no blank spaces in the x-y format, where x is lower than y. |
external_service_port_range |
String |
Specifies the port range used by the floating IP address to provide services for external systems. The number of ports must be the same as that of internal _service_port_range. Supported range: 1 to 65535 Specify two port numbers connected by a single hyphen (-) and no blank spaces in the x-y format, where x is lower than y. |
protocol |
String |
Specifies the protocol. TCP, UDP, and ANY are supported. The protocol number of TCP, UDP, and ANY are 6, 17, and 0, respectively. Minimum: 1 Maximum: 3 Enumeration values:
|
created_at |
String |
Specifies when the DNAT rule was created. The time is in yyyy-mm-dd hh:mm:ss.SSSSSS format. Minimum: 1 Maximum: 36 |
global_eip_id |
String |
Specifies the global EIP ID. Minimum: 36 Maximum: 36 |
global_eip_address |
String |
Specifies the global EIP address. Minimum: 7 Maximum: 15 |
Example Requests
GET https://{Endpoint}/v2/d199ba7e0ba64899b2e81518104b1526d/dnat_rules?limit=2
Example Responses
Status code: 200
DNAT rules queried.
{ "dnat_rules" : [ { "floating_ip_id" : "bf99c679-9f41-4dac-8513-9c9228e713e1", "status" : "ACTIVE", "nat_gateway_id" : "cda3a125-2406-456c-a11f-598e10578541", "admin_state_up" : true, "port_id" : "9a469561-daac-4c94-88f5-39366e5ea193", "private_ip" : "", "internal_service_port" : 993, "protocol" : "tcp", "tenant_id" : "d199ba7e0ba64899b2e81518104b1526d", "created_at" : "2017-11-15 15:44:42.595173", "id" : "79195d50-0271-41f1-bded-4c089b2502ff", "floating_ip_address" : "5.21.11.226", "external_service_port" : 242, "description" : "my dnat rule 01" }, { "floating_ip_id" : "cf99c679-9f41-4dac-8513-9c9228e713e1", "status" : "ACTIVE", "nat_gateway_id" : "dda3a125-2406-456c-a11f-598e10578541", "admin_state_up" : true, "port_id" : "", "private_ip" : "192.168.1.100", "internal_service_port" : 0, "protocol" : "any", "tenant_id" : "d199ba7e0ba64899b2e81518104b1526d", "created_at" : "2017-11-16 15:44:42.595173", "id" : "89195d50-0271-41f1-bded-4c089b2502ff", "floating_ip_address" : "5.21.11.227", "external_service_port" : 0, "description" : "my dnat rule 01" } ] }
SDK Sample Code
The SDK sample code is as follows.
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.nat.v2.region.NatRegion; import com.huaweicloud.sdk.nat.v2.*; import com.huaweicloud.sdk.nat.v2.model.*; import java.util.List; import java.util.ArrayList; public class ListNatGatewayDnatRulesSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); NatClient client = NatClient.newBuilder() .withCredential(auth) .withRegion(NatRegion.valueOf("<YOUR REGION>")) .build(); ListNatGatewayDnatRulesRequest request = new ListNatGatewayDnatRulesRequest(); request.withAdminStateUp(<admin_state_up>); request.withExternalServicePort(<external_service_port>); request.withFloatingIpAddress("<floating_ip_address>"); request.withStatus(); request.withFloatingIpId("<floating_ip_id>"); request.withInternalServicePort(<internal_service_port>); request.withLimit(<limit>); request.withId("<id>"); request.withDescription("<description>"); request.withCreatedAt("<created_at>"); request.withNatGatewayId(); request.withPortId("<port_id>"); request.withPrivateIp("<private_ip>"); request.withProtocol(); request.withMarker("<marker>"); try { ListNatGatewayDnatRulesResponse response = client.listNatGatewayDnatRules(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
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# coding: utf-8 from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdknat.v2.region.nat_region import NatRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdknat.v2 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = __import__('os').getenv("CLOUD_SDK_AK") sk = __import__('os').getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = NatClient.new_builder() \ .with_credentials(credentials) \ .with_region(NatRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListNatGatewayDnatRulesRequest() request.admin_state_up = <AdminStateUp> request.external_service_port = <external_service_port> request.floating_ip_address = "<floating_ip_address>" request.status = request.floating_ip_id = "<floating_ip_id>" request.internal_service_port = <internal_service_port> request.limit = <limit> request.id = "<id>" request.description = "<description>" request.created_at = "<created_at>" request.nat_gateway_id = request.port_id = "<port_id>" request.private_ip = "<private_ip>" request.protocol = request.marker = "<marker>" response = client.list_nat_gateway_dnat_rules(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" nat "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/nat/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/nat/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/nat/v2/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := nat.NewNatClient( nat.NatClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListNatGatewayDnatRulesRequest{} adminStateUpRequest:= <admin_state_up> request.AdminStateUp = &adminStateUpRequest externalServicePortRequest:= int32(<external_service_port>) request.ExternalServicePort = &externalServicePortRequest floatingIpAddressRequest:= "<floating_ip_address>" request.FloatingIpAddress = &floatingIpAddressRequest floatingIpIdRequest:= "<floating_ip_id>" request.FloatingIpId = &floatingIpIdRequest internalServicePortRequest:= int32(<internal_service_port>) request.InternalServicePort = &internalServicePortRequest limitRequest:= int32(<limit>) request.Limit = &limitRequest idRequest:= "<id>" request.Id = &idRequest descriptionRequest:= "<description>" request.Description = &descriptionRequest createdAtRequest:= "<created_at>" request.CreatedAt = &createdAtRequest portIdRequest:= "<port_id>" request.PortId = &portIdRequest privateIpRequest:= "<private_ip>" request.PrivateIp = &privateIpRequest markerRequest:= "<marker>" request.Marker = &markerRequest response, err := client.ListNatGatewayDnatRules(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
200 |
DNAT rules queried. |
Error Codes
See Error Codes.
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