Queries the number of times that a system event of a cloud service has occurred.
Operation description
Background information
You can call the DescribeSystemEventMetaList operation to query the cloud services supported by CloudMonitor and their system events.
Description
This topic provides an example on how to query the number of times that a system event of Elastic Compute Service (ECS)
has occurred. The returned result shows that the specified system event has occurred three times.
Debugging
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 |
---|---|---|---|---|
cms:DescribeSystemEventCount | get |
|
| none |
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
Product | string | No | The name of the cloud service. You can call the DescribeSystemEventMetaList operation to obtain the value of the response parameter | ECS |
EventType | string | No | The type of the system event. You can call the DescribeSystemEventMetaList operation to obtain the value of the response parameter | StatusNotification |
Name | string | No | The name of the system event. You can call the DescribeSystemEventMetaList operation to obtain the value of the response parameter | Instance:StateChange |
Level | string | No | The level of the system event. Valid values:
You can call the DescribeSystemEventMetaList operation to obtain the value of the response parameter | Info |
Status | string | No | The status of the system event. You can call the DescribeSystemEventMetaList operation to obtain the value of the response parameter | Normal |
GroupId | string | No | The ID of the application group. | 17285**** |
SearchKeywords | string | No | The keywords that are used to search for the system event. Valid values:
| ECS |
StartTime | string | No | The beginning of the time range to query. Unit: milliseconds. | 1635993541000 |
EndTime | string | No | The end of the time range to query. Unit: milliseconds. | 1635993921000 |
For more information about common request parameters, see Common parameters.
Response parameters
Examples
Sample success responses
JSON
format
{
"Code": "200",
"Message": "success",
"RequestId": "C7A7B776-0ACE-5A93-9B07-DE8008D9CCDF",
"Success": "true",
"SystemEventCounts": {
"SystemEventCount": [
{
"Status": "Normal",
"Time": 1635993751000,
"GroupId": "17285****",
"Product": "ECS",
"InstanceName": "ECS-test",
"Num": 3,
"ResourceId": "i-rj99xc6cptkk64ml****",
"Name": "Instance:StateChange",
"Content": "",
"Level": "Info",
"RegionId": "cn-hangzhou"
}
]
}
}
Error codes
HTTP status code | Error code | Error message | Description |
---|---|---|---|
400 | ParameterInvalid | Illegal parameters. | - |
403 | AccessForbidden | User not authorized to operate on the specified resource. | - |
404 | ResourceNotFound | The specified resource is not found. | The specified resource is not found. |
500 | InternalError | The request processing has failed due to some unknown error. | - |
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
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