Querying Exchanges
Function
This API is used to query exchanges.
Calling Method
For details, see Calling APIs.
URI
GET /v2/rabbitmq/{project_id}/instances/{instance_id}/vhosts/{vhost}/exchanges
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details, see Obtaining a Project ID. |
instance_id |
Yes |
String |
Instance ID. |
vhost |
Yes |
String |
Virtual host name. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
offset |
No |
Integer |
Offset, which is the position where the query starts. The value must be greater than or equal to 0. |
limit |
No |
Integer |
Number of records on each page. Value range: 0–50. The default value is 10. |
Request Parameters
None
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
size |
Integer |
Number of displayed records. |
total |
Integer |
Total number of results in a query. |
items |
Array of ExchangeDetails objects |
Details of an exchange. |
Parameter |
Type |
Description |
---|---|---|
durable |
Boolean |
Indicates whether data persistence is enabled. |
default |
Boolean |
Indicates whether the exchange is default. |
internal |
Boolean |
Indicates whether the exchange is internal. |
name |
String |
Exchange name. |
auto_delete |
Boolean |
Indicates whether automatic deletion is enabled. |
type |
String |
Exchange type. |
vhost |
String |
Virtual host. |
Example Requests
Querying exchanges
GET /v2/rabbitmq/{project_id}/instances/{instance_id}/exchanges?offset=0&limit=10
Example Responses
Status code: 200
Successful
{ "total" : 1, "size" : 1, "items" : [ { "durable" : true, "default" : false, "internal" : false, "name" : "default", "auto_delete" : false, "type" : "direct" } ] }
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.rabbitmq.v2.region.RabbitMQRegion; import com.huaweicloud.sdk.rabbitmq.v2.*; import com.huaweicloud.sdk.rabbitmq.v2.model.*; public class ListExchangesSolution { 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"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); RabbitMQClient client = RabbitMQClient.newBuilder() .withCredential(auth) .withRegion(RabbitMQRegion.valueOf("<YOUR REGION>")) .build(); ListExchangesRequest request = new ListExchangesRequest(); request.withInstanceId("{instance_id}"); request.withVhost("{vhost}"); try { ListExchangesResponse response = client.listExchanges(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 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkrabbitmq.v2.region.rabbitmq_region import RabbitMQRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkrabbitmq.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 = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = RabbitMQClient.new_builder() \ .with_credentials(credentials) \ .with_region(RabbitMQRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListExchangesRequest() request.instance_id = "{instance_id}" request.vhost = "{vhost}" response = client.list_exchanges(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" rabbitmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rabbitmq/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rabbitmq/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rabbitmq/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") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := rabbitmq.NewRabbitMQClient( rabbitmq.RabbitMQClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListExchangesRequest{} request.InstanceId = "{instance_id}" request.Vhost = "{vhost}" response, err := client.ListExchanges(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 |
Successful |
Error Codes
See Error Codes.
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