ALIYUN::ECS::CustomImage is used to create a custom image.

Syntax

{
  "Type": "ALIYUN::ECS::CustomImage",
  "Properties": {
    "Description": String,
    "InstanceId": String,
    "ImageName": String,
    "SnapshotId": String,
    "Tag": List,
    "ResourceGroupId": String,
    "Platform": String,
    "DiskDeviceMapping": List,
    "Architecture": String
  }
}

Properties

Property Type Required Editable Description Constraint
Description String No No The description of the image. The description can be up to 256 characters in length. It cannot start with http:// or https://.

This parameter is empty by default.
InstanceId String No No The ID of the instance. If you specify this parameter, a custom image is created from an instance. For more information, see Create a custom image from an instance.
ImageName String No No The name of the image. The name must be 2 to 128 characters in length and can contain letters, digits, underscores (_), and hyphens (-). It must start with a letter but cannot start with http:// or https://.
SnapshotId String No No The ID of the snapshot. If you specify this parameter, a custom image is created from a snapshot. For more information, see Create a custom image from a snapshot.

If you specify both this parameter and the InstanceId parameter, ROS ignores this parameter and creates a custom image from an instance.

Tag List No No The tags of the image. For more information, see Tag properties.
ResourceGroupId String No No The ID of the resource group to which the custom image belongs. None
Platform String No No The distribution of the operating system for the system disk in the custom image. If you specify a data disk snapshot to create the system disk of the custom image, you must use the Platform parameter to determine the distribution of the operating system for the system disk. None
DiskDeviceMapping List No No The mappings between images and snapshots. For more information, see DiskDeviceMapping properties.
Architecture String No No The system architecture of the system disk. If you specify a data disk snapshot to create the system disk of the custom image, you must use the Architecture parameter to determine the system architecture of the system disk. Default value: x86_64. Valid values:
  • i386
  • x86_64

Tag syntax

"Tag": [
  {
    "Key": String,
    "Value": String
  }
]

Tag properties

Property Type Required Editable Description Constraint
Key String No No The tag key. The tag key must be 1 to 128 characters in length and cannot contain http:// or https://. It cannot start with acs: or aliyun.
Value String No No The tag value. The tag value must be 0 to 128 characters in length and cannot contain http:// or https://. It cannot start with acs: or aliyun.

DiskDeviceMapping syntax

"DiskDeviceMapping": [
  {
    "Device": String,
    "SnapshotId": String,
    "Size": Integer,
    "DiskType": String
  }
]

DiskDeviceMapping properties

Property Type Required Editable Description Constraint
Device String No No The device name of the disk in the custom image. Valid values:
  • For basic disks, the system allocates a device name in alphabetical order from /dev/xvda to /dev/xvdz.
  • For disk categories other than basic disks, the system allocates a device name in alphabetical order from /dev/vda to /dev/vdz.
SnapshotId String No No The ID of the snapshot from which the custom image is created. None
Size Integer No No

The size of the disk.
Valid values:
  • If you do not specify the SnapshotId parameter:
    • Valid values for basic disks: 5 to 2000.

      Default value: 5.

    • Valid values for disk categories other than basic disks: 20 to 32768.

      Default value: 20.

  • If you specify the SnapshotId parameter, the Size value must be greater than or equal to the SnapshotId value. The default value of the Size parameter is the same as that of the SnapshotId parameter.

Unit: GiB.
DiskType String No No The type of the disk in the custom image. You can specify this parameter to create the system disk of the custom image from a data disk snapshot. If you do not specify this parameter, the disk type is determined by the corresponding snapshot.

Valid values:

  • system
  • data

Response parameters

Fn::GetAtt

ImageId: the ID of the custom image.

Examples

JSON format 

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Resources": {
    "WebServer": {
      "Type": "ALIYUN::ECS::InstanceGroup",
      "Properties": {
        "VpcId": "vpc-2zevx9ios1rszqv0a****",
        "MinAmount": 1,
        "SecurityGroupId": "sg-2ze7pxymaix640qr****",
        "ImageId": {
          "Ref": "CustomImage"
        },
        "IoOptimized": "optimized",
        "SystemDisk_Description": "SystemDisk.Description",
        "SystemDisk_DiskName": "SystemDisk.DiskName",
        "SystemDisk_Category": "cloud_ssd",
        "VSwitchId": "vsw-2zei67xd9nhcqxzec****",
        "Password": "Wenqiao****",
        "InstanceType": "ecs.n1.medium",
        "MaxAmount": 1
      }
    },
    "CustomImage": {
      "Type": "ALIYUN::ECS::CustomImage",
      "Properties": {
        "InstanceId": "i-2zefq1f3ynnrr89q****",
        "SnapshotId": "s-2ze0ibk1pvak4mw6****",
        "ImageName": "image-test-****"
      }
    }
  },
  "Outputs": {
    "CustomImage": {
      "Value": {
        "Fn::GetAtt": [
          "CustomImage",
          "ImageId"
        ]
      }
    },
    "InstanceIds": {
      "Value": {
        "Fn::GetAtt": [
          "WebServer",
          "InstanceIds"
        ]
      }
    }
  }
}

YAML format 

ROSTemplateFormatVersion: '2015-09-01'
Resources:
  WebServer:
    Type: 'ALIYUN::ECS::InstanceGroup'
    Properties:
      VpcId: vpc-2zevx9ios1rszqv0a****
      MinAmount: 1
      SecurityGroupId: sg-2ze7pxymaix640qr****
      ImageId:
        Ref: CustomImage
      IoOptimized: optimized
      SystemDisk_Description: SystemDisk.Description
      SystemDisk_DiskName: SystemDisk.DiskName
      SystemDisk_Category: cloud_ssd
      VSwitchId: vsw-2zei67xd9nhcqxzec****
      Password: Wenqiao****
      InstanceType: ecs.n1.medium
      MaxAmount: 1
  CustomImage:
    Type: 'ALIYUN::ECS::CustomImage'
    Properties:
      InstanceId: i-2zefq1f3ynnrr89q****
      SnapshotId: s-2ze0ibk1pvak4mw6****
      ImageName: image-test-****
Outputs:
  CustomImage:
    Value:
      'Fn::GetAtt':
        - CustomImage
        - ImageId
  InstanceIds:
    Value:
      'Fn::GetAtt':
        - WebServer
        - InstanceIds