Querying Health Checks
Function
This API is used to query all health checks.
Constraints
This API has the following constraints:
-
Parameters marker, limit, and page_reverse are used for pagination query.
-
Parameters marker and page_reverse take effect only when they are used together with parameter limit.
Calling Method
For details, see Calling APIs.
URI
GET /v3/{project_id}/elb/healthmonitors
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Definition: Specifies the project ID. For details about how to obtain a project ID, see Obtaining a Project ID. Constraints: N/A Range: The value can contain a maximum of 32 characters, including digits and lowercase letters. Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
marker |
No |
String |
Definition: Specifies the ID of the last record on the previous page. Constraints:
Range: N/A Default value: N/A |
limit |
No |
Integer |
Definition: Specifies the number of records returned on each page. Constraints: N/A Range: 0 to 2000 Default value: 2000 |
page_reverse |
No |
Boolean |
Definition: Specifies whether to use reverse query. Constraints:
Range:
Default value: false |
id |
No |
Array of strings |
Definition: Specifies the health check ID. Multiple IDs can be used for query in the format of id=xxx&id=xxx. Constraints: N/A Range: N/A Default value: N/A |
monitor_port |
No |
Array of integers |
Definition: Specifies the port used for the health check. Multiple ports can be used for query in the format of monitor_port=xxx&monitor_port=xxx. Constraints: N/A Range: N/A Default value: N/A |
domain_name |
No |
Array of strings |
Definition: Specifies the domain name to which HTTP requests are sent during the health check. Multiple domain names can be used for query in the format of domain_name=xxx&domain_name=xxx. Constraints: N/A Range: The value can contain only digits, letters, hyphens (-), and periods (.) and must start with a digit or letter. Default value: N/A |
name |
No |
Array of strings |
Definition: Specifies the health check name. Multiple names can be used for query in the format of name=xxx&name=xxx. Constraints: N/A Range: N/A Default value: N/A |
delay |
No |
Array of integers |
Definition: Specifies the interval between health checks, in seconds. Multiple intervals can be used for query in the format of delay=xxx&delay=xxx. Constraints: N/A Range: 1 to 50 Default value: N/A |
max_retries |
No |
Array of integers |
Definition: Specifies the number of consecutive health checks when the health check result of a backend server changes from OFFLINE to ONLINE. Multiple values can be used for query in the format of max_retries=xxx&max_retries=xxx. Constraints: N/A Range: 1 to 10 Default value: N/A |
admin_state_up |
No |
Boolean |
Definition: Specifies the administrative status of the health check. Constraints: N/A Range:
Default value: N/A |
max_retries_down |
No |
Array of integers |
Definition: Specifies the number of consecutive health checks when the health check result of a backend server changes from ONLINE to OFFLINE. Multiple values can be used for query in the format of max_retries_down=xxx&max_retries_down=xxx. Constraints: N/A Range: 1 to 10 Default value: N/A |
timeout |
No |
Integer |
Definition: Specifies the maximum time required for waiting for a response from the health check, in seconds. Constraints: N/A Range: N/A Default value: N/A |
type |
No |
Array of strings |
Definition: Specifies the health check protocol. Multiple protocols can be used for query in the format of type=xxx&type=xxx. Constraints: N/A Range: TCP, UDP_CONNECT, HTTP, HTTPS, TLS, or GRPC Default value: N/A |
expected_codes |
No |
Array of strings |
Definition: Specifies the expected HTTP status code. Multiple status codes can be used for query in the format of expected_codes=xxx&expected_codes=xxx. Constraints: N/A Range:
Default value: N/A |
url_path |
No |
Array of strings |
Definition: Specifies the HTTP request path for the health check. The value must start with a slash (/), and the default value is /. Multiple paths can be used for query in the format of url_path=xxx&url_path=xxx. Constraints: N/A Range: N/A Default value: N/A |
http_method |
No |
Array of strings |
Definition: Specifies the HTTP method. Multiple methods can be used for query in the format of http_method=xxx&http_method=xxx. Constraints: N/A Range: GET, HEAD, or POST Default value: N/A |
enterprise_project_id |
No |
Array of strings |
Definition: Specifies the ID of the enterprise project. Multiple values can be used for query in the format of: enterprise_project_id=xxx&enterprise_project_id=xxx. Constraints:
Range: N/A Default value: N/A |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
Definition: Specifies the token used for IAM authentication. Constraints: N/A Range: N/A Default value: N/A |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
request_id |
String |
Definition: Specifies the request ID. Range: The value is automatically generated, and can contain characters including digits, lowercase letters, and hyphens (-). |
page_info |
PageInfo object |
Definition: Specifies the pagination information. |
healthmonitors |
Array of HealthMonitor objects |
Definition: Specifies the health check. |
Parameter |
Type |
Description |
---|---|---|
previous_marker |
String |
Definition: Specifies the ID of the first record in the pagination query result. If page_reverse is set to true, this parameter is used together to query resources on the previous page. Range: N/A |
next_marker |
String |
Definition: Specifies the ID of the last record in the pagination query result. It is usually used to query resources on the next page. Range: N/A |
current_count |
Integer |
Definition: Specifies the number of records returned on the current page. Range: N/A |
Parameter |
Type |
Description |
---|---|---|
admin_state_up |
Boolean |
Definition: Specifies the administrative status of the health check. Range:
|
delay |
Integer |
Definition: Specifies the interval between health checks, in seconds. Range: 1 to 50 |
domain_name |
String |
Definition: Specifies the domain name that HTTP requests are sent to during the health check. Range: The value can contain only digits, letters, hyphens (-), and periods (.) and must start with a digit or letter. |
expected_codes |
String |
Definition: Specifies the expected HTTP status code. Range:
|
http_method |
String |
Definition: Specifies the HTTP method. Range: GET, HEAD, or POST |
id |
String |
Specifies the health check ID. Default value: N/A |
max_retries |
Integer |
Definition: Specifies the number of consecutive health checks when the health check result of a backend server changes from OFFLINE to ONLINE. Range: 1 to 10 |
max_retries_down |
Integer |
Definition: Specifies the number of consecutive health checks when the health check result of a backend server changes from ONLINE to OFFLINE. Range: 1 to 10 |
monitor_port |
Integer |
Definition: Specifies the health check port. Range: 1 to 65535, or null (the port of a backend server will be used by default). |
name |
String |
Definition: Specifies the health check name. Range: N/A |
pools |
Array of PoolRef objects |
Specifies the IDs of the backend server groups for which the health check is configured. Only one ID will be returned. Range: N/A |
project_id |
String |
Definition: Specifies the project ID. Range: N/A |
timeout |
Integer |
Definition: Specifies the maximum time required for waiting for a response from the health check, in seconds. Range: N/A |
type |
String |
Definition: Specifies the health check protocol. Range: The value can be TCP, UDP_CONNECT, HTTP, HTTPS, GRPC, or TLS. |
url_path |
String |
Definition: Specifies the HTTP request path for the health check. The value must start with a slash (/), and the default value is /. Range: The value can contain letters, digits, hyphens (-), slashes (/), periods (.), percentage signs (%), question marks (?), pound signs (#), ampersand signs (&), and the extended character set: _;~!()*[]@$^:',+. |
created_at |
String |
Definition: Specifies the creation time. Range: The value must be a UTC time in the format of yyyy-MM-dd'T'HH:mm:ss'Z'. Note: This parameter will not be returned for resources associated with existing dedicated load balancers and for resources associated with existing and new shared load balancers. |
updated_at |
String |
Definition: Specifies the update time. Range: The value must be a UTC time in the format of yyyy-MM-dd'T'HH:mm:ss'Z'. Note: This parameter will not be returned for resources associated with existing dedicated load balancers and for resources associated with existing and new shared load balancers. |
Example Requests
Querying health checks
GET https://{ELB_Endpoint}/v3/99a3fff0d03c428eac3678da6a7d0f24/elb/healthmonitors
Example Responses
Status code: 200
Successful request.
{ "healthmonitors" : [ { "monitor_port" : null, "id" : "c2b210b2-60c4-449d-91e2-9e9ea1dd7441", "project_id" : "99a3fff0d03c428eac3678da6a7d0f24", "domain_name" : null, "name" : "My Healthmonitor update", "delay" : 10, "max_retries" : 10, "pools" : [ { "id" : "488acc50-6bcf-423d-8f0a-0f4184f5b8a0" } ], "admin_state_up" : true, "timeout" : 30, "type" : "HTTP", "expected_codes" : "200", "url_path" : "/", "http_method" : "GET" }, { "monitor_port" : null, "id" : "cda1af03-0660-4fd2-8edf-e38c79846e08", "project_id" : "99a3fff0d03c428eac3678da6a7d0f24", "domain_name" : "akik..un.com", "name" : "lijunqiu", "delay" : 50, "max_retries" : 1, "pools" : [ { "id" : "ae6e45ba-be84-4074-8ac6-bc4a56484809" } ], "admin_state_up" : false, "timeout" : 3, "type" : "UDP_CONNECT", "expected_codes" : null, "url_path" : "/world", "http_method" : null } ], "page_info" : { "next_marker" : "cda1af03-0660-4fd2-8edf-e38c79846e08", "previous_marker" : "c2b210b2-60c4-449d-91e2-9e9ea1dd7441", "current_count" : 2 }, "request_id" : "814bc40e-8b0a-4ced-b8e5-f136c3e1df6a" }
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.elb.v3.region.ElbRegion; import com.huaweicloud.sdk.elb.v3.*; import com.huaweicloud.sdk.elb.v3.model.*; public class ListHealthMonitorsSolution { 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); ElbClient client = ElbClient.newBuilder() .withCredential(auth) .withRegion(ElbRegion.valueOf("<YOUR REGION>")) .build(); ListHealthMonitorsRequest request = new ListHealthMonitorsRequest(); try { ListHealthMonitorsResponse response = client.listHealthMonitors(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 huaweicloudsdkelb.v3.region.elb_region import ElbRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkelb.v3 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 = ElbClient.new_builder() \ .with_credentials(credentials) \ .with_region(ElbRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListHealthMonitorsRequest() response = client.list_health_monitors(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" elb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/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 := elb.NewElbClient( elb.ElbClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListHealthMonitorsRequest{} response, err := client.ListHealthMonitors(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 request. |
Error Codes
See Error Codes.
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