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 |
Specifies the health check ID. Multiple IDs can be used for query in the format of id=xxx&id=xxx. |
monitor_port |
No |
Array of integers |
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. |
domain_name |
No |
Array of strings |
Specifies the domain name to which HTTP requests are sent during the health check. The value can contain only digits, letters, hyphens (-), and periods (.) and must start with a digit or letter. Multiple domain names can be used for query in the format of domain_name=xxx&domain_name=xxx. |
name |
No |
Array of strings |
Specifies the health check name. Multiple names can be used for query in the format of name=xxx&name=xxx. |
delay |
No |
Array of integers |
Specifies the interval between health checks, in seconds. The value ranges from 1 to 50. Multiple intervals can be used for query in the format of delay=xxx&delay=xxx. |
max_retries |
No |
Array of integers |
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 Multiple values can be used for query in the format of max_retries=xxx&max_retries=xxx. |
admin_state_up |
No |
Boolean |
Definition: Specifies the administrative status of the health check. Range:
|
max_retries_down |
No |
Array of integers |
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 Multiple values can be used for query in the format of max_retries_down=xxx&max_retries_down=xxx. |
timeout |
No |
Integer |
Specifies the maximum time required for waiting for a response from the health check, in seconds. |
type |
No |
Array of strings |
Specifies the health check protocol. The value can be TCP, UDP_CONNECT, HTTP, HTTPS, TLS, or GRPC. Multiple protocols can be used for query in the format of type=xxx&type=xxx. |
expected_codes |
No |
Array of strings |
Specifies the expected HTTP status code. This parameter will take effect only when type is set to HTTP, HTTPS, or GRPC. The value options are as follows:
The default value is 200. Multiple status codes can be used for query in the format of expected_codes=xxx&expected_codes=xxx. |
url_path |
No |
Array of strings |
Specifies the HTTP request path for the health check. The value must start with a slash (/), and the default value is /. This parameter is available only when type is set to HTTP or HTTPS. Multiple paths can be used for query in the format of url_path=xxx&url_path=xxx. |
http_method |
No |
Array of strings |
Specifies the HTTP method. The value can be GET, HEAD, or POST. Multiple methods can be used for query in the format of http_method=xxx&http_method=xxx. |
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. |
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 |
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 |
Specifies the administrative status of the health check. Range:
Default value: true |
delay |
Integer |
Specifies the interval between health checks, in seconds. The value ranges from 1 to 50. |
domain_name |
String |
Specifies the domain name that HTTP requests are sent to during the health check. The value can contain only digits, letters, hyphens (-), and periods (.) and must start with a digit or letter. The value is left blank by default, indicating that the virtual IP address of the load balancer is used as the destination address of HTTP requests. This parameter is available only when type is set to HTTP or HTTPS. |
expected_codes |
String |
Specifies the expected HTTP status code. Value options:
If type is set to GRPC, the default value is 0. If type is set to other protocols, the default value is 200. This parameter will take effect only when type is set to HTTP, HTTPS or GRPC. |
http_method |
String |
Specifies the HTTP method. The value can be GET, HEAD, or POST. The default value is GET. This parameter is available when type is set to HTTP or HTTPS. |
id |
String |
Specifies the health check ID. |
max_retries |
Integer |
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 |
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. The default value is 3. |
monitor_port |
Integer |
Definition: Specifies the health check port. Constraints: If the backend server group protocol is IP, monitor_port cannot be 0. Range: 1 to 65535, or null (the port of a backend server will be used by default). Default value: null |
name |
String |
Specifies the health check name. |
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. |
project_id |
String |
Specifies the project ID. |
timeout |
Integer |
Specifies the maximum time required for waiting for a response from the health check, in seconds. It is recommended that you set the value less than that of parameter delay. |
type |
String |
Specifies the health check protocol. The value can be TCP, UDP_CONNECT, HTTP, HTTPS, GRPC, or TLS. Note:
QUIC protocol is not supported. |
url_path |
String |
Specifies the HTTP request path for the health check. The value must start with a slash (/), and the default value is /. The value can contain letters, digits, hyphens (-), slashes (/), periods (.), percentage signs (%), question marks (?), pound signs (#), ampersand signs (&), and the extended character set: _;~!()*[]@$^:',+. This parameter is available only when type is set to HTTP or HTTPS. |
created_at |
String |
Specifies the time when the health check was configured. The format is yyyy-MM-dd'T'HH:mm:ss'Z' (UTC time). |
updated_at |
String |
Specifies the time when the health check was updated. The format is yyyy-MM-dd'T'HH:mm:ss'Z' (UTC time). |
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" }
Status Codes
Status Code |
Description |
---|---|
200 |
Successful request. |
Error Codes
See Error Codes.
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