Obtaining Component Instance Snapshots

Function

This API is used to obtain component instance snapshots.

Instance snapshots refer to the instance information about the source version. They can be used for version rollback.

URI

GET /v2/{project_id}/cas/applications/{application_id}/components/{component_id}/instances/{instance_id}/snapshots

**Table 1** Path parameters
Parameter	Type	Mandatory	Description
project_id	String	Yes	Tenant's project ID.
application_id	String	Yes	Application ID.
component_id	String	Yes	Component ID.
instance_id	String	Yes	Component instance ID.

**Table 2** Query parameters
Parameter	Type	Mandatory	Description
limit	Integer	No	Number of records to be displayed. The value is 1000 or ranges from 0 to 100. If the specified value is not within the range, value 10 is assigned. In the non-pagination scenario, the value is 1000. In the pagination scenario, the value ranges from 0 to 100.
offset	Integer	No	Offset.
order_by	String	No	Sorting field. By default, query results are sorted by creation time.
order	String	No	Descending or ascending order. Default value: desc.

Request

None

Response

**Table 3** Response parameters
Parameter	Type	Description
count	Integer	Number of snapshots.
snapshots	Array of objects	Snapshot parameters. See Table 4.

**Table 4** snapshot parameters
Parameter	Type	Description
create_time	Integer	Creation time.
description	String	Description.
instance_id	String	Component instance ID.
version	String	Version number.

Example

Example request

None

Example response

{
	"snapshots": [
		{
			"version": "1.0.0",
			"description": "{\"action\":\"New Version: 1.0.0\"}",
			"instance_id": "11eddb33-140b-4e51-b1e2-6ec265373ca3",
			"create_time": 1610331830841
		}
	],
	"count": 1
}