Creating a Migration Task

Function

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

URI

POST /v3/tasks

Request

**Table 1** Request header parameter
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Specifies the user token. It can be obtained by calling the IAM API (value of X-Subject-Token in the response header). Minimum length: 1 character Maximum length: 16,384 characters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the task name. Minimum length: 0 characters Maximum length: 255 characters
type	Yes	String	Specifies the task type. The value can be: MIGRATE_FILE MIGRATE_BLOCK
start_target_server	No	Boolean	Specifies whether to start the target server after the migration. Default value: true
os_type	Yes	String	Specifies the OS type. Minimum length: 0 characters Maximum length: 255 characters
source_server	Yes	SourceServerByTask object	Specifies the source server information.
target_server	Yes	TargetServerByTask object	Specifies the target server information.
migration_ip	No	String	Specifies the IP address used for migration. This parameter is not required if the target server is automatically created. Minimum length: 0 characters Maximum length: 255 characters
region_name	Yes	String	Specifies the region name. Minimum length: 0 characters Maximum length: 255 characters
region_id	Yes	String	region id Minimum length: 0 characters Maximum length: 255 characters
project_name	Yes	String	Specifies the project name. Minimum length: 0 characters Maximum length: 255 characters
project_id	Yes	String	Specifies the project ID. Minimum length: 0 characters Maximum length: 255 characters
vm_template_id	No	String	Specifies the template used to create the target server automatically. Minimum length: 0 characters Maximum length: 255 characters
use_public_ip	No	Boolean	Specifies whether to use a public IP address for migration. Default value: true
syncing	No	Boolean	Specifies whether to perform a continuous synchronization after the first replication. If this parameter is not specified, the default value false is used. Default value: false

**Table 3** **SourceServerByTask** field description
Parameter	Mandatory	Type	Description
id	Yes	String	Specifies the source server ID. Minimum length: 0 characters Maximum length: 255 characters

**Table 4** **TargetServerByTask** field description
Parameter	Mandatory	Type	Description
btrfs_list	No	Array of BtrfsFileSystem objects	Specifies the Btrfs information, which is obtained from the source server.
disks	Yes	Array of TargetDisks objects	Specifies the disk information.
name	Yes	String	Specifies the volume group name. Minimum length: 0 characters Maximum length: 255 characters
vm_id	Yes	String	Specifies the target server ID. Minimum length: 0 characters Maximum length: 255 characters
volume_groups	No	Array of VolumeGroups objects	Specifies the volume group information, which is obtained from the source server.

**Table 5** **BtrfsFileSystem** field description
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the file system name. Minimum length: 0 characters Maximum length: 255 characters
label	Yes	String	Specifies the file system tag. If no tag exists, the value is an empty string. Minimum length: 0 characters Maximum length: 255 characters
uuid	Yes	String	Specifies the UUID of the file system. Minimum length: 0 characters Maximum length: 255 characters
device	Yes	String	Specifies the device name in the Btrfs. Minimum length: 0 characters Maximum length: 255 characters
size	Yes	Long	Specifies the space occupied by the file system. Minimum value: 0 Maximum value: 9223372036854775807
nodesize	Yes	Long	Specifies the size of the Btrfs node. Minimum value: 0 Maximum value: 9223372036854775807
sectorsize	Yes	Integer	Specifies the sector size. Minimum value: 0 Maximum value: 2147483647
data_profile	Yes	String	Specifies the data profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
system_profile	Yes	String	Specifies the file system profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
metadata_profile	Yes	String	Specifies the metadata profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
global_reserve1	Yes	String	Specifies the Btrfs file system information. Minimum length: 0 characters Maximum length: 255 characters
g_vol_used_size	Yes	Long	Specifies the used space of the Btrfs volume. Minimum value: 0 Maximum value: 9223372036854775807
default_subvolid	Yes	String	Specifies the ID of the default subvolume. Minimum length: 0 characters Maximum length: 255 characters
default_subvol_name	Yes	String	Specifies the name of the default subvolume. Minimum length: 0 characters Maximum length: 255 characters
default_subvol_mountpath	Yes	String	Specifies the mount path of the default subvolume or Btrfs file system. Minimum length: 0 characters Maximum length: 255 characters
subvolumn	Yes	Array of BtrfsSubvolumn objects	Specifies the subvolume information.

**Table 6** **BtrfsSubvolumn** field description
Parameter	Mandatory	Type	Description
uuid	Yes	String	Specifies the UUID of the parent volume. Minimum length: 0 characters Maximum length: 255 characters
is_snapshot	Yes	String	Specifies whether the subvolume is a snapshot. Minimum length: 0 characters Maximum length: 255 characters
subvol_id	Yes	String	Specifies the subvolume ID. Minimum length: 0 characters Maximum length: 255 characters
parent_id	Yes	String	Specifies the parent volume ID. Minimum length: 0 characters Maximum length: 255 characters
subvol_name	Yes	String	Specifies the subvolume name. Minimum length: 0 characters Maximum length: 255 characters
subvol_mount_path	Yes	String	Specifies the mount path of the subvolume. Minimum length: 0 characters Maximum length: 255 characters

**Table 7** **TargetDisks** field description
Parameter	Mandatory	Type	Description
device_use	No	String	Specifies the disk type. Default value: NORMAL The value can be: NORMAL OS BOOT
disk_id	No	String	Specifies the disk ID. This parameter is not required if the target server is automatically created. Minimum length: 0 characters Maximum length: 255 characters
name	Yes	String	Specifies the disk name. Set this parameter to Disk X based on the disk sequence. Minimum length: 0 characters Maximum length: 255 characters
physical_volumes	Yes	Array of PhysicalVolumes objects	Specifies the physical volume information.
size	Yes	Long	Specifies the volume size. Minimum value: 0 Maximum value: 9223372036854775807
used_size	Yes	Long	Specifies the used space. Minimum value: 0 Maximum value: 9223372036854775807

**Table 8** **PhysicalVolumes** field description
Parameter	Mandatory	Type	Description
device_use	No	String	Specifies the partition type. The value can be NORMAL, BOOT, or OS. Minimum length: 0 characters Maximum length: 255 characters
file_system	No	String	Specifies the file system type. Minimum length: 0 characters Maximum length: 255 characters
index	No	Integer	Specifies the serial number of the volume. Minimum value: 0 Maximum value: 2147483647
mount_point	No	String	Specifies the mount point. Minimum length: 0 characters Maximum length: 255 characters
name	No	String	Specifies the volume name. In Windows, it indicates the drive letter, and in Linux, it indicates the device ID. Minimum length: 0 characters Maximum length: 255 characters
size	No	Long	Specifies the volume size. Minimum value: 0 Maximum value: 9223372036854775807
used_size	No	Long	Specifies the used space. Minimum value: 0 Maximum value: 9223372036854775807
uuid	No	String	Specifies the GUID of the volume, which can be obtained from the source server. Minimum length: 0 characters Maximum length: 255 characters

**Table 9** **VolumeGroups** field description
Parameter	Mandatory	Type	Description
components	No	String	Specifies the physical volume information. Minimum length: 0 characters Maximum length: 255 characters
free_size	No	Long	Specifies the available space. Minimum value: 0 Maximum value: 9223372036854775807
logical_volumes	No	Array of LogicalVolumes objects	Specifies the logical volume information.
name	No	String	Specifies the volume group name. Minimum length: 0 characters Maximum length: 255 characters
size	No	Long	Specifies the volume size. Minimum value: 0 Maximum value: 9223372036854775807

**Table 10** **LogicalVolumes** field description
Parameter	Mandatory	Type	Description
block_count	No	Integer	Specifies the number of blocks. Minimum value: 0 Maximum value: 4294967296 Default value: 0
block_size	No	Long	Specifies the block size. Minimum value: 0 Maximum value: 1048576 Default value: 0
file_system	Yes	String	Specifies the file system. Minimum length: 0 characters Maximum length: 255 characters
inode_size	Yes	Integer	Specifies the number of inodes. Minimum value: 0 Maximum value: 4294967296
mount_point	Yes	String	Specifies the mount point. Minimum length: 0 characters Maximum length: 256 characters
name	Yes	String	Specifies the volume group name. Minimum length: 0 characters Maximum length: 1,024 characters
size	Yes	Long	Specifies the volume size. Minimum value: 0 Maximum value: 9223372036854775807
used_size	Yes	Long	Specifies the used space. Minimum value: 0 Maximum value: 9223372036854775807
free_size	Yes	Long	Specifies the available space. Minimum value: 0 Maximum value: 9223372036854775807

Response

Status code: 200

**Table 11** Response body parameters
Parameter	Type	Description
id	String	Specifies the task ID returned when the task is created successfully. Minimum length: 0 characters Maximum length: 255 characters

Example Request

Create a migration task during which a new target server will be created.

POST https://{endpoint}/v3/tasks

{
  "name" : "MigrationTask",
  "type" : "MIGRATE_FILE",
  "os_type" : "LINUX",
  "start_target_server" : true,
  "use_public_ip" : true,
  "migration_ip" : "192.168.0.1",
  "regionName": "CN North-Ulanqab203",
  "region_id" : "region_id",
  "project_name" : "project_name",
  "project_id" : "b276e6fb38c74aa2ba4598f049745ce9",
  "source_server" : {
    "id" : "16c03428-ff9a-4f36-84aa-583e41499bb2"
  },
  "target_server" : {
    "vm_id" : "1900aab8-90c4-462c-b4c5-acdafc8fbeca",
    "name" : "Auto-tar-chengxiao",
    "disks" : [ {
      "name" : "/dev/vda",
      "disk_id" : "76a59f9f-5901-4913-a9a5-f6742baa308c",
      "size" : 42949672960,
      "device_use" : "BOOT",
      "physical_volumes" : [ {
        "uuid" : null,
        "index" : 0,
        "name" : "/dev/vda1",
        "device_use" : "OS",
        "file_system" : "ext4",
        "mount_point" : "/",
        "size" : 42947575808,
        "used_size" : 5346484224
      } ]
    } ],
    "volume_groups" : [ ],
    "btrfs_list" : [ ]
  }
}

Example Response

Status code: 200

{
  "id" : "8abda8635e09d185015e09d188dd0001xx"
}

Status Codes

Status Code	Description
200	OK

Error Codes

See Error Codes.

Parent topic: Task Management

Previous topic: Task Management

Next topic: Listing Migration Tasks

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