Querying Queues of a Virtual Host
Function
This API is used to query queues of a virtual host.
Calling Method
For details, see Calling APIs.
URI
GET /v2/rabbitmq/{project_id}/instances/{instance_id}/vhosts/{vhost}/queues
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 QueueDetails objects |
Query details. |
Parameter |
Type |
Description |
---|---|---|
vhost |
String |
Virtual host name. |
name |
String |
Queue name. |
durable |
Boolean |
Indicates whether data persistence is enabled. |
auto_delete |
Boolean |
Indicates whether automatic deletion is enabled. |
messages |
Integer |
Accumulated messages. |
consumers |
Integer |
Connected consumers. |
policy |
String |
Policy (RabbitMQ AMQP does not support this parameter. |
arguments |
QueueArguments object |
Queue parameter. This parameter is not returned if it is not configured. |
Parameter |
Type |
Description |
---|---|---|
x-message-ttl |
Long |
Message retention period. This parameter indicates for how long a message in this queue can be retained. |
x-dead-letter-exchange |
String |
Name of the dead letter exchange. Rejected and expired messages are re-sent to this exchange. |
x-dead-letter-routing-key |
String |
Routing key of the dead letter exchange. The dead letter exchange sends dead letter messages to the queue with a matching routing key. |
x-queue-mode |
String |
Lazy queue (RabbitMQ AMQP does not have this parameter because all messages are persisted by default). |
Example Requests
Querying queues
GET https://{endpoint}/v2/rabbitmq/{project_id}/instances/{instance_id}/vhosts/{vhost}/queues?offset=0&limit=10
Example Responses
Status code: 200
Successful
{ "size" : 1, "total" : 1, "items" : [ { "durable" : true, "name" : "queue10", "auto_delete" : false, "messages" : 0, "consumers" : 0, "arguments" : { "x-dead-letter-exchange" : "dead-exchange-deal", "x-dead-letter-routing-key" : "dead-ex-routing-key", "x-message-ttl" : 60000 } } ] }
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 ListQueuesSolution { 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(); ListQueuesRequest request = new ListQueuesRequest(); request.withInstanceId("{instance_id}"); request.withVhost("{vhost}"); try { ListQueuesResponse response = client.listQueues(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 = ListQueuesRequest() request.instance_id = "{instance_id}" request.vhost = "{vhost}" response = client.list_queues(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.ListQueuesRequest{} request.InstanceId = "{instance_id}" request.Vhost = "{vhost}" response, err := client.ListQueues(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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