Creating a Migration Task

Function

This API is used to create a migration task based on a source server.

URI

POST /v1/sms/tasks

Request

Request parameters

For details about the request parameters, see Table 1.

**Table 1** Request parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the task name (user-defined). The parameter value consists of 4 to 64 characters, including letters, digits, underscores (_), hyphens (-), periods (.).
type	Yes	String	Specifies the task type. MIGRATE_FILE: indicates the file-level migration. MIGRATE_BLOCK: indicates the block-level migration.
os_type	Yes	String	Specifies the OS type. The value can only be WINDOWS or LINUX.
priority	No	int	Specifies the process priority. 0: low 1: standard (default) 2: high
speed_limit	No	int	Specifies the migration rate limit (in MB). The default value is 0, indicating that the migration rate is not limited.
start_target_server	No	Boolean	Specifies whether to start the target ECS after the migration. true (default): indicates that the target ECS will be started after the migration. false: indicates that the target ECS will be stopped after the migration.
uninstall_agent	No	Boolean	Specifies whether to automatically uninstall the migration Agent on the source server. true: indicates that the migration Agent will be uninstalled automatically from the source server after the migration. false (default): indicates that the migration Agent will not be uninstalled automatically from the source server after the migration.
source_server	Yes	JSON	Specifies the source server information. For details, see Table 2.
target_server	Yes	JSON	Specifies the target ECS information. For details, see Table 3.
migration_ip	Yes	String	Specifies the IP address of the target ECS. Enter the elastic IP address if the migration network type is Internet. Enter a private IP address if the migration network type is a private line or VPN.
region_name	Yes	String	Specifies the region name of the target ECS.
region_id	Yes	String	Specifies the region ID of the target ECS.
project_name	Yes	String	Specifies the name of the project which the target ECS belongs to.
project_id	Yes	String	Specifies the ID of the project which the target ECS belongs to. For details, see Obtaining a Project ID.
vm_template_id	No	String	Specifies the template ID.
smn_info	No	JSON	Specifies the SMN service information. For details, see Table 8.

**Table 2** **source_server** information
Parameter	Mandatory	Type	Description
id	Yes	String	Specifies the source server ID.

**Table 3** **target_server** information
Parameter	Mandatory	Type	Description
vm_id	Yes	String	Specifies the target ECS ID.
name	Mandatory under certain conditions	String	Specifies the name of the target ECS. NOTE: This parameter is mandatory when an existing VM is selected. This parameter is optional when you select to create an ECS during migration.
disks	Mandatory under certain conditions	JSON array	Specifies the disk information. For details, see Table 6. NOTE: This parameter is mandatory when an existing VM is selected. This parameter is optional when you select to create an ECS during migration.
btrfs_list	Yes	JSON array	Specifies the Btrfs information. For details, see Table 4.

**Table 4** **btrfs_list** data structure
Parameter	Type	Description
name	String	Specifies the file system name, for example, /dev/vdb1.
label	String	Specifies the file system tag. If no tag exists, the value is an empty string.
uuid	String	Specifies the UUID of the file system.
device	String	Specifies the device name in the Btrfs.
default_subvolid	String	Specifies the default ID of the subvolume.
default_subvol_name	String	Specifies the default name of the subvolume.
default_subvol_mountpath	String	Specifies the default mount path of the subvolume.
subvolumn	JSON array	Specifies the subvolume information. For details, see Table 5.

**Table 5** **subvolumn** data structure
Parameter	Mandatory	Type	Description
uuid	Yes	String	Specifies the UUID of the parent volume of the subvolume.
is_snapshot	Yes	String	Specifies whether the subvolume is a snapshot.
subvol_id	Yes	String	Specifies the subvolume ID.
parent_id	Yes	String	Specifies the ID of the parent volume of the subvolume.
subvol_name	Yes	String	Specifies the subvolume name.
subvol_mount_path	Yes	String	Specifies the mount path of the subvolume.

**Table 6** **disks** information in **target_server**
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the disk name.
disk_id	Yes	String	Specifies the ID of the EVS volume corresponding to the disk.
size	Yes	long	Specifies the disk size.
physical_volumes	Yes	JSON array	Specifies the partition information after the disk is migrated. For details, see Table 7.

**Table 7** **physical_volumes** information
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the partition name. C in the Windows OS sd1 in the Linux OS
size	Yes	long	Specifies the partition size (byte).

**Table 8** **smn_info** information
Parameter	Mandatory	Type	Description
topic_urn	Yes	String	Specifies the topic URN.
trigger_conditions	Yes	String	Specifies the triggering condition for sending SMN messages. The value can be SUCCESS,FAIL, SUCCESS, or FAIL.
language	Yes	String	Specifies the Language option.
topic_name	Yes	String	Specifies the topic name.

Response

Response parameters

For details about the response parameter, see Table 9.

**Table 9** Response parameter
Parameter	Type	Description
id	String	Specifies the task ID.

Example

Example request

Creating a task to migrate a source server that runs a Windows OS

{
    "name": "Windows Migration",
    "type": "MIGRATE_BLOCK",
    "priority": "1",	
    "speed_limit": "0",	
    "start_target_server": "true",	
    "os_type": "WINDOWS",
    "migration_ip":"x.x.x.x",
    "region_name":"UAE-Abu Dhabi",
    "region_id":"ae-ad-1",
   "region_name":""UAE-Abu Dhabi",
    "project_id":"12222222111111121212121",
    "vm_template_id":"aaaa-bbbbb",
    "source_server":{
        "id":"35ef9d7a-b8e4-4126-9588-116952749de4"
    },
    "target_server": {
        "vm_id": "e198f4cc-e51a-43df-83d8-79bd41e00bed",  
        "disks": [
            {
                "name": "Disk 0",
                "disk_id":"e198f4cc-e51a-43df-1234-79bd41e00bed",
                "size": "85897247744",			
                "physical_volumes": [
                    {
                        "name": "(Reserved)",	
                        "size": "104857088"
                    },
                    {
                        "name": "C:\\",
                        "size": "85792390656"
                    }
                ]
            },
			{
                "name": "Disk 1",
                "disk_id":"e198f4cc-1234-43df-1234-79bd41e00bed",
                "size": "214745218048",			
                "physical_volumes": [
                    {
                        "name": "D:\\",	
                        "size": "109888667136"
                    },
                    {
                        "name": "F:\\",
                        "size": "104856550912"
                    }
                ]
            }
        ]
    }
}