Trace Structure

A trace consists of multiple key fields shown in Table 1.

This section describes the key trace fields displayed on the CTS console.
When some fields are displayed on the CTS console, their formats are optimized for easy understanding.

**Table 1** Key trace fields
Field	Mandatory	Type	Description
time	Yes	Date	Time when a trace occurred When the field is displayed on the console, its value is the local standard time (in GMT time), for example, Dec 8, 2016 11:24:04 GMT+08:00. However, this field is transmitted and stored as a timestamp in APIs. In this case, the value is the number of milliseconds since 00:00:00 on January 1, 1970 (GMT).
user	Yes	Structure	Cloud account used to perform an operation The value is also displayed in the Operator column on the Trace List page. This field is transmitted and stored as a string in APIs.
request	No	Structure	Requested operation This field is transmitted and stored as a string in APIs.
response	No	Structure	Response to a request This field is transmitted and stored as a string in APIs.
service_type	Yes	String	Operation source
resource_type	Yes	String	Resource type
resource_name	No	String	Resource name
resource_id	No	String	Unique resource ID
source_ip	Yes	String	IP address of the user that performed an operation The value of this field is empty if the operation was triggered by system.
trace_name	Yes	String	Operation name
trace_rating	Yes	String	Trace status. The value can be normal, warning, or incident. normal: The operation succeeded. warning: The operation failed. incident: The operation caused a serious consequence, for example, a node failure or service interruption.
trace_type	Yes	String	Operation type There are three types of operations: ConsoleAction: operations performed on the management console SystemAction: operations triggered by system ApiCall: operations triggered by calling API Gateway
api_version	No	String	Version of the cloud service API which was called to perform an operation
message	No	Structure	Remarks
record_time	Yes	Number	Time when the operation was recorded, in the form of a timestamp
trace_id	Yes	String	Unique operation ID