Querying the Health Status of a Specified Cluster¶
Function¶
This API is used to query the health status of a specified cluster. If any component is unavailable, the abnormal cluster health status is returned.
URI¶
Format
GET /web/v1/cluster/{cluster_id}/status
Parameter description
Parameter | Mandatory or Not | Description |
---|---|---|
cluster_id | Yes | Cluster ID that is displayed on MRS Manager. The default cluster ID is 1, because MRS Manager supports management of only one cluster currently. |
Request¶
Example:
GET /web/v1/cluster/{cluster_id}/status HTTP/1.1 Host: example.com Content-Type: application/json Accept:application/json
Parameter description
None
Response¶
Example:
HTTP/1.1 200 OK Data:Wed,02 May 2018 10:10:01 GMT Server: example-server Content-Type: application/json { "id": 0, "state": "COMPLETE", "error_code": 0, "error_description": "string", "total_progress": 0, "res_obj": { "state": "GOOD" } }
Parameter description
Parameter | Mandatory or Not | Type | Description |
---|---|---|---|
id | No | LONG | Asynchronous task ID (meaningless in other scenarios). The default value is -1. |
state | No | STRING | Cluster status. The value FAILED indicates that the command fails to be executed. The value COMPLETE indicates that the command is successfully executed. |
error_code | No | INTEGER | Error code returned |
error_description | No | STRING | Error code description |
total_progress | No | FLOAT | Total progress |
res_obj | No | REFERENCE | Response object |
Parameter | Mandatory or Not | Type | Description |
---|---|---|---|
state | Yes | STRING | Cluster health status Good: The cluster is healthy. Bad: The cluster is unhealthy. |
Status Code¶
Status Code | Description |
---|---|
200 | The operation is successful. |
For details about error status codes, see Status Codes.