Call the DescribeSystemEvents operation to query system events of an instance.

Usage notes

For operation instructions and precautions, refer to Querying and handling events.

Debugging

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Request parameters

Only the request parameters specific to this operation and some common parameters are listed below. For more information, refer to Common parameters.

Action string required Sample value: DescribeSystemEvents

The action that you want to perform. Value: DescribeSystemEvents.

Version string required Sample value: 2020-04-01

The version of the API. Valid value: 2020-04-01.

Category string Optional Sample value: ResourceEvent

The system event category. Value:

ResourceEvent: resource-targeted event

TaskEvent: task-related event

CreatedAtEnd string Optional Sample value: 2021-06-29T18:11:46+08:00

Filters events created before the time specified for CreatedAtEnd. Default value: current time. Format: RFC3339.

CreatedAtStart string Optional Sample value: 2021-06-28T18:29:38+08:00

Filters events created after the time specified for CreatedAtStart. The default value is 24h before the time specified for CreatedAtEnd (see the part of the request parameter CreatedAtEnd). Format: RCF3339.

EventIds.N string[] Optional Sample value: EventIds.1=e-3ti9101aju3vj0******&EventIds.2=e-r4911sfaa9ts******

The event ID. A maximum of 100 event IDs are supported. You can use the event notification feature or call this operation to query and obtain the event ID.

Argument - N: specifies the serial number of the event.

Separate multiple event IDs with &.

MaxResults integer Optional Sample value: 20

The number of entries per page.

Maximum value: 100

Minimum value: 0

Default value: 20

NextToken string Optional Sample value: --

Pagination token marking the query position. Omit this parameter for initial API requests. In the next query, set the NextToken parameter to the value returned by the previous API call.

ResourceIds.N string[] Optional Sample value: ResourceIds.1=i-3ti9101aju3vj0******&ResourceIds.2=i-tws01a56ydh0******

The resource ID. A maximum of 100 resource IDs are supported. You can call the DescribeInstances operation to query the instance ID.

Argument - N: specifies the serial number of the resource.

Separate multiple resource IDs with &.

tip

Currently, the supported resource type is ECS instances.

Status.N string[] Optional Sample value: Status.1=Executing&Status.2=Inquiring

The status of the system event. Up to 10 statuses are supported.

Argument - N: specifies the serial number of the event type.

Separate multiple event types with &.

Value:

UnknownStatus: unknown status

Executing: in progress

Succeeded: successful execution

Failed: failed execution

Inquiring: pending response

Scheduled: scheduled execution

Rejected: execution refused by the user

Cancelled: cancelled

Pending: suspended

Recovered: restored

Types.N string[] Optional Sample value: Types.1=SystemFailure_Reboot&Types.2=DiskError_Redeploy

The system event type. A maximum of 100 types is supported.

Argument - N: specifies the serial number of the event type.

Separate multiple event types with &.

Value:

SystemFailure_Stop: Stopped instance due to system failure.

SystemFailure_Reboot: Restarted instance due to system failure.

DiskError_Redeploy: Redeployed instance due to hard disk exception.

GpuError_Redeploy: Redeployed instance due to GPU exception.

SystemMaintenance_Redeploy: Redeployed instance due to system maintenance.

SystemMaintenance_StopAndRepair: Stopped instance with the system under maintenance.

SystemFailure_Redeploy: Redeployed instance due to system failure.

SystemFailure_Repair: System under maintenance due to exception.

CreateInstance: Indicates instance creation.

RunInstance: Indicates instance start.

StopInstance: Indicates instance shutdown.

DeleteInstance: Indicates instance deletion.

SpotInstanceInterruption_Delete: Spot instance interrupted, instance released.

AccountUnbalanced_Stop: Instance shutdown due to account arrears.

AccountUnbalanced_Delete: Instance release due to account arrears.

InstanceChargeType_Change: The instance billing type is changed.

InstanceConfiguration_Change: The instance configuration is changed.

FileSystemReadOnly_Change: The file system becomes read-only.

RebootInstance: Indicates instance restart.

InstanceFailure: Instance exception due to operating system errors.

ApplicationFailure: Application exception.

DeploymentSet_Modify: Instance deployment set is modified.

ServerMigrationTask: Server migration task.

ServerMigration_FirstSync: Server migration, full data synchronization.

ServerMigration_AdditionalSync: Server migration, incremental data synchronization.

GpuRiskDetected: GPU risk detected.

ElasticScheduledInstance_Create: Creation of ESI order.

ElasticScheduledInstance_Cancel: Cancellation of ESI order.

ElasticScheduledInstance_Deliver: Delivery of ESI order.

ElasticScheduledInstance_AutoRelease: Auto release of ESI.

ElasticScheduledInstance_Invalid: Invalid ESI order.

InfrastructureUpgrade_Redeploy: Instance redeployment due to infrastructure upgrade.

DiskErrorDetected: Hard disk error.

DiskError_ReplaceDisk: Hard disk replacement due to exception.

InstanceOOM: Instance memory OOM.

MemoryRiskDetected: Memory risk detected.

InstanceFileSystemFailure_StopAndRepair: Downtime repair of instance due to file system exception.

InstanceDiskStalled: Instance exception due to degraded volume performance.

SystemMaintenance_ReserveAndRepair: Instance downtime repair due to system maintenance.

Response parameters

Only the response parameters specific to this operation are listed below. For more information, refer to the response structure.

NextToken string Sample value: bHpwdXJja2RxemU1eG5sb3NzdGcW1-RC******

The query credentials value returned by this call. If null is returned, this page is the last page.

SystemEvents object[] Sample value: --

Information about the instance system event.

Category string Sample value: ResourceEvent

The event category.

CreatedAt string Sample value: 2022-08-29T18:11:46+08:00

The creation time of the system event.

ExtraInfo object Sample value: {"VolumeId": "vol-3tiegs1y963vj***","Serial": "ysw2flxa****"}

The additional information about the system event.

Id string Sample value: e-3tiegs1y963vj0******

The system event ID.

ImpactLevel string Sample value: Info - information

The system event level. Value:

Critical - severe level

Warning - warning level

Info - information

OperatedEndAt string Sample value: 2022-08-30T15:11:46+08:00

The end time of the O&M time window.

OperatedStartAt string Sample value: 2022-09-10T18:11:46+08:00

The start time of the O&M time window.

ResourceId string Sample value: i-3tiegs1y963vj0******

The resource ID.

Status string Sample value: Executing

The system event status.

Type string Sample value: SystemFailure_Stop

The system event type.

UpdatedAt string Sample value: 2022-08-30T18:11:46+08:00

The update time of the system event.

Sample request

Sample response

Error codes

The table below lists the business-related error codes of the operation. For more information, refer to Common error codes.

Status code	Error code	Error message	Description
400	InvalidCategory.Malformed	The specified Category is malformed.	The specified value of Category is invalid.
400	InvalidCreatedAtEnd.Malformed	The specified CreatedAtEnd is malformed.	The end time specified for CreatedAtEnd is invalid.
400	InvalidCreatedAtStart.Malformed	The specified CreatedAtStart is malformed.	The specified creation time is invalid.
400	InvalidResourceIds.Malformed	The specified ResourceIds is malformed.	The specified value of ResourceIds is invalid.
400	InvalidStatus.Malformed	The specified Status is malformed.	The specified value of Status is invalid.
400	InvalidTypes.Malformed	The specified Types is malformed.	A specified type is invalid.
400	LimitExceeded.MaximumEventIds	You've reached the limit on the number of EventIds that you can set.	The specified number of event IDs exceeds the limit.
400	LimitExceeded.MaximumMaxResults	The number of specified MaxResults exceeds the maximum limit.	The value specified for MaxResults exceeds the upper limit.
400	LimitExceeded.MaximumResourceIds	You've reached the limit on the number of ResourceIds that you can set.	The specified number of resource IDs exceeds the limit.
400	LimitExceeded.MaximumStatus	You've reached the limit on the number of Status that you can set.	The specified number of statuses exceeds the limit.
400	LimitExceeded.MaximumTypes	You've reached the limit on the number of Types that you can set.	The number of specified types exceeds the limit.
400	LimitExceeded.MinimumMaxResults	The number of specified MaxResults exceeds the minimum limit.	The value specified for MaxResults exceeds the lower limit.
404	InvalidActionOrVersion	Could not find operation %s for version %s.	The operation does not exist.
500	InternalError	An internal error has occurred.	An internal error occurred. Try again. If multiple attempts fail, submit a ticket.

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