DescribePendingMaintenanceAction - PolarDB - Alibaba Cloud Documentation Center

Queries the information about a pending event.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
polardb:DescribePendingMaintenanceAction	Read	dbcluster acs:polardb:{#regionId}:{#accountId}:dbcluster/*	none	none

Request parameters

Parameter	Type	Required	Description	Example
Region	string	Yes	The region ID of the pending event. You can call the DescribeRegions operation to query the regions and zones that are supported by PolarDB. Note You can set this parameter to all to view all pending events within your account. If you set `Region` to all, you must set `TaskType` to all.	all
TaskType	string	Yes	The task type of pending events. Valid values: DatabaseSoftwareUpgrading: database software upgrades DatabaseHardwareMaintenance: hardware maintenance and upgrades DatabaseStorageUpgrading: database storage upgrades DatabaseProxyUpgrading: minor version upgrades of the proxy all: queries the details of the pending events of all preceding types. Note If the `Region` parameter is set to all, the `TaskType` parameter must be set to all.	all
IsHistory	integer	No	Specifies whether to return the historical tasks. Valid values: 0: returns the current task. 1: returns the historical tasks. Default value: 0.	0
PageSize	integer	No	The number of entries per page. Valid values: 30, 50, or 100. Default value: 30.	30
PageNumber	integer	No	The page number. The value of this parameter must be an integer that is greater than 0. Default value: 1.	1
ResourceGroupId	string	No	The ID of the resource group.	rg-************

Response parameters

Parameter	Type	Description	Example
	object
TotalRecordCount	integer	The total number of returned entries.	1
RequestId	string	The ID of the request.	2F029645-FED9-4FE8-A6D3-488954******
PageSize	integer	The number of entries per page.	30
PageNumber	integer	The page number.	1
Items	object []	Details about tasks.
Status	integer	The status of the pending task. If you set the `IsHistory` parameter to 0, the status of the pending task is returned. Valid values: 2: The start time of the task is to be specified. 3: The task is pending. 4: The task is running. In this case, you cannot modify the execution time. If you set the `IsHistory` parameter to 1, the details of the historical tasks are returned. Valid values: 5: The task is completed and executed. 6: The task is completed but fails to be executed. 7: The task is canceled.	3
PrepareInterval	string	The preparation time that is required before the pending event is switched. The time follows the `HH:mm:ss` format.	04:00:00
Deadline	string	The deadline before which the task can be executed. The time is in the `yyyy-MM-ddTHH:mm:ssZ` format. The time is displayed in UTC.	2020-06-11T15:59:59Z
DBType	string	The type of the database engine. Valid values: MySQL PostgreSQL Oracle	MySQL
TaskType	string	The type of the pending event.	DatabaseSoftwareUpgrading
StartTime	string	The time when the task was executed in the background. The time is in the `yyyy-MM-ddTHH:mm:ssZ` format. The time is displayed in UTC.	2020-06-09T18:00:00Z
DBVersion	string	The version of the database engine. Valid values for the MySQL database engine: 5.6 5.7 8.0 Valid values for the PostgreSQL database engine: 11 14 Valid value for the Oracle database engine: 11	8.0
ModifiedTime	string	The time when the parameter was modified. The time is in the `yyyy-MM-ddTHH:mm:ssZ` format. The time is displayed in UTC.	2020-06-09T22:00:42Z
DBClusterId	string	The ID of the cluster.	pc-************
Region	string	The region ID of the pending event.	cn-hangzhou
ResultInfo	string	The execution result of the task. Valid values: manualCancel: The task is manually canceled. paramCheckNotPass: The task fails to pass the parameter check. Note This parameter is returned only when the value of the `Status` parameter is 6 or 7. The value 6 indicates that the task is completed but fails to be executed. The value 7 indicates that the task is canceled.	manualCancel
CreatedTime	string	The time when the task was created. The time is in the `yyyy-MM-ddTHH:mm:ssZ` format. The time is displayed in UTC.	2020-06-09T22:00:42Z
Id	integer	The ID of the task.	111111
SwitchTime	string	The time when the pending event was switched. The time is in the `yyyy-MM-ddTHH:mm:ssZ` format. The time is displayed in UTC.	2020-06-09T22:00:00Z

Examples

Sample success responses

JSONformat

{
  "TotalRecordCount": 1,
  "RequestId": "2F029645-FED9-4FE8-A6D3-488954******",
  "PageSize": 30,
  "PageNumber": 1,
  "Items": [
    {
      "Status": 3,
      "PrepareInterval": "04:00:00",
      "Deadline": "2020-06-11T15:59:59Z",
      "DBType": "MySQL",
      "TaskType": "DatabaseSoftwareUpgrading",
      "StartTime": "2020-06-09T18:00:00Z",
      "DBVersion": "8.0",
      "ModifiedTime": "2020-06-09T22:00:42Z",
      "DBClusterId": "pc-************",
      "Region": "cn-hangzhou",
      "ResultInfo": "manualCancel",
      "CreatedTime": "2020-06-09T22:00:42Z",
      "Id": 111111,
      "SwitchTime": "2020-06-09T22:00:00Z"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message	Description
400	RequiredParam.NotFound	Required input param is not found.	The specified parameter does not exist.

For a list of error codes, visit the Service error codes.