Querying DCS Instance Configuration Parameters

Function

This API is used to query the configuration parameters of a DCS instance.

URI

GET /v2/{project_id}/instances/{instance_id}/configs

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
instance_id	Yes	String	Parameter description: Instance ID. It can be viewed on the instance details page on the DCS console. Constraints: N/A. Value range: N/A. Default value: N/A.
project_id	Yes	String	Parameter description: Project ID. For details, see Obtaining a Project ID. Constraints: N/A. Value range: N/A. Default value: N/A.

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
config_time	String	Parameter description: Time when the instance was operated on. For example, 2017-03-31T12:24:46.297Z. Value range: N/A.
instance_id	String	Parameter description: Instance ID. Value range: N/A.
redis_config	Array of QueryRedisConfig objects	Parameter description: Array of configuration items of the instance. Value range: N/A.
config_status	String	Parameter description: Instance status that is being modified or has been modified. Value range: UPDATING: The modification is in progress. FAILURE: The modification failed. SUCCESS: The modification succeeded.
status	String	Parameter description: Instance status. Value range: PAYING: The order has not been paid or is being processed. CREATING: The DCS instance is being created. RUNNING: The DCS instance is running. CLOSING: The DCS instance is stopping. STARTING: The DCS instance is starting. RESTARTING: The DCS instance is restarting. CLOSED: The DCS instance has stopped. DELETING: The DCS instance is being deleted. DELETED: The DCS instance has been deleted. ERROR: The DCS instance is not running properly. FAILURE: The DCS instance fails to be configured. SUCCESS: The DCS instance is successfully configured. CREATEFAILED: The DCS instance fails to be created. DELETEFAILED: The DCS instance fails to be deleted. FREEZING: The instance is frozen. EXTENDING: The DCS instance's capacity is being increased. EXTENDEDFAILED: The instance's capacity fails to be increased. MIGRATING: The DCS instance is migrating data. OTHER: other status. FLUSHING: The instance data is being cleared. RESTORING: The backup data is being restored. UPGRADING: The instance software is being upgraded. IPEXCHANGING: IP switch is in progress. IPROLLBACKING: IP addresses are being rolled back. MS_SWAPPING: The master/standby switchover is in progress. AZMigrating: The AZ is being migrated.

**Table 3** QueryRedisConfig
Parameter	Type	Description
param_value	String	Parameter description: Configuration parameter value. Value range: N/A.
value_type	String	Parameter description: Type of the configuration parameter value. For example, Integer and String. Value range: N/A.
value_range	String	Parameter description: Range of the configuration parameter value. Value range: N/A.
description	String	Parameter description: Description of the configuration item. Value range: N/A.
default_value	String	Parameter description: Default value of the configuration parameter. Value range: N/A.
param_name	String	Parameter description: Configuration parameter name. Value range: N/A.
param_id	String	Parameter description: Configuration parameter ID. Value range: N/A.

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
error_msg	String	Parameter description: Error message. Value range: N/A.
error_code	String	Parameter description: Error code. Value range: For details, see Error Codes.
error_ext_msg	String	Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A.

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Parameter description: Error message. Value range: N/A.
error_code	String	Parameter description: Error code. Value range: For details, see Error Codes.
error_ext_msg	String	Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A.

Example Requests

GET https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/configs

Example Responses

Status code: 200

Instance configuration parameters queried successfully.

{
  "instance_id" : "50829e5a-a4fc-4c01-8651-80be8a491602",
  "config_status" : "SUCCESS",
  "config_time" : "2020-07-06T07:04:31.464Z",
  "redis_config" : [ {
    "param_id" : "1",
    "param_name" : "timeout",
    "description" : "Close the connection after a client is idle for N seconds (0 to disable)",
    "param_value" : "101",
    "value_range" : "0-7200",
    "value_type" : "Interger",
    "default_value" : "0"
  } ],
  "status" : "RUNNING"
}