Creating a Migration Task

Function

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

Calling Method

For details, see Calling APIs.

URI

POST /v3/tasks

Request

**Table 1** Request header parameter
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	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	The task name. Minimum length: 0 characters Maximum length: 255 characters
type	Yes	String	The task type. The value can be: MIGRATE_FILE MIGRATE_BLOCK
start_target_server	No	Boolean	Whether to start the target server after the migration is complete. Default value: true
os_type	Yes	String	The OS type. Minimum length: 0 characters Maximum length: 255 characters
source_server	Yes	SourceServerByTask object	The source server information.
target_server	Yes	TargetServerByTask object	The target server information.
migration_ip	No	String	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	The region name. Minimum length: 0 characters Maximum length: 255 characters
region_id	Yes	String	The region ID. Minimum length: 0 characters Maximum length: 255 characters
project_name	Yes	String	The project name. Minimum length: 0 characters Maximum length: 255 characters
project_id	Yes	String	The project ID. Minimum length: 0 characters Maximum length: 255 characters
vm_template_id	No	String	The ID of 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
exist_server	No	Boolean	Checks whether the service exists. If it does, create the task.
start_network_check	No	Boolean	Whether to measure the network performance.

**Table 3** **SourceServerByTask** field description
Parameter	Mandatory	Type	Description
id	Yes	String	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	The Btrfs information, which is obtained from the source server. Array length: 0 to 65,535 characters
disks	Yes	Array of TargetDisks objects	The disk information. Array length: 0 to 65,535 characters
name	Yes	String	The name. Minimum length: 0 characters Maximum length: 255 characters
vm_id	Yes	String	The target server ID. Minimum length: 0 characters Maximum length: 255 characters
volume_groups	No	Array of VolumeGroups objects	The volume group information, which is obtained from the source server. Array length: 0 to 65,535 characters

**Table 5** **BtrfsFileSystem** field description
Parameter	Mandatory	Type	Description
name	Yes	String	The file system name. Minimum length: 0 characters Maximum length: 255 characters
label	Yes	String	The file system tag. If no tag exists, the value is an empty string. Minimum length: 0 characters Maximum length: 255 characters
The UUID.	Yes	String	The UUID of the file system. Minimum length: 0 characters Maximum length: 255 characters
device	Yes	String	The device name in the Btrfs. Minimum length: 0 characters Maximum length: 255 characters
size	Yes	Long	The space occupied by the file system. Minimum value: 0 Maximum value: 9223372036854775807
nodesize	Yes	Long	The size of the Btrfs node. Minimum value: 0 Maximum value: 9223372036854775807
sectorsize	Yes	Integer	The sector size. Minimum value: 0 Maximum value: 2147483647
data_profile	Yes	String	The data profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
system_profile	Yes	String	The file system profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
metadata_profile	Yes	String	The metadata profile (RAD). Minimum length: 0 characters Maximum length: 255 characters
global_reserve1	Yes	String	The Btrfs file system information. Minimum length: 0 characters Maximum length: 255 characters
g_vol_used_size	Yes	Long	The used space of the Btrfs volume. Minimum value: 0 Maximum value: 9223372036854775807
default_subvolid	Yes	String	The ID of the default subvolume. Minimum length: 0 characters Maximum length: 255 characters
default_subvol_name	Yes	String	The name of the default subvolume. Minimum length: 0 characters Maximum length: 255 characters
default_subvol_mountpath	Yes	String	The mount path of the default subvolume or Btrfs file system. Minimum length: 0 characters Maximum length: 255 characters
subvolume	Yes	Array of BtrfsSubvolumn objects	The subvolume information. Array length: 0 to 65,535 characters

**Table 6** **BtrfsSubvolumn** field description
Parameter	Mandatory	Type	Description
The UUID.	Yes	String	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	The subvolume ID. Minimum length: 0 characters Maximum length: 255 characters
parent_id	Yes	String	The parent volume ID. Minimum length: 0 characters Maximum length: 255 characters
subvol_name	Yes	String	The subvolume name. Minimum length: 0 characters Maximum length: 255 characters
subvol_mount_path	Yes	String	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	The disk function. Default value: NORMAL The value can be: NORMAL OS BOOT
disk_id	No	String	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	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	The physical volume information. Array length: 0 to 65,535 characters
size	Yes	Long	The volume size. Minimum value: 0 Maximum value: 9223372036854775807
used_size	Yes	Long	The used space. Minimum value: 0 Maximum value: 9223372036854775807

**Table 8** **PhysicalVolumes** field description
Parameter	Mandatory	Type	Description
device_use	No	String	The partition type. The value can be NORMAL, BOOT, or OS. Minimum length: 0 characters Maximum length: 255 characters
file_system	No	String	The file system type. Minimum length: 0 characters Maximum length: 255 characters
index	No	Integer	The serial number of the volume. Minimum value: 0 Maximum value: 2147483647
mount_point	No	String	The mount point. Minimum length: 0 characters Maximum length: 255 characters
name	No	String	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	The volume size. Minimum value: 0 Maximum value: 9223372036854775807
inode_size	No	Long	The number of inodes. Minimum value: 0 Maximum value: 9223372036854775807
used_size	No	Long	The used space. Minimum value: 0 Maximum value: 9223372036854775807
The UUID.	No	String	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	The physical volume information. Minimum length: 0 characters Maximum length: 255 characters
free_size	No	Long	The available space. Minimum value: 0 Maximum value: 9223372036854775807
logical_volumes	No	Array of LogicalVolumes objects	The logical volume information. Array length: 0 to 255 characters
name	No	String	The name. Minimum length: 0 characters Maximum length: 255 characters
size	No	Long	The volume size. Minimum value: 0 Maximum value: 9223372036854775807

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

Response

Status code: 200

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

Example Request

This example creates a migration task whose name is MigrationTask. The migration type is MIGRATE_FILE, the source server runs Linux, the migration uses the public network, the migration region name is region_name, and the migration region ID is region_id.

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",
  "region_name" : "region_name",
  "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-name",
    "disks" : [ {
      "name" : "/dev/vda",
      "disk_id" : "76a59f9f-5901-4913-a9a5-f6742baa308c",
      "size" : 42949672960,
      "used_size" : 429496,
      "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" : [ ]
  }
}

Example Response

Status code: 200

{
  "id" : "8abda8635e09d185015e09d188dd0001xx"
}

Status Codes

Status Code	Description
200	Response returned.

Error Codes

For details, see Error Codes.

Parent Topic: Task Management

Previous topic: Task Management

Next topic: Listing Migration Tasks

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