AWS::ImageBuilder::LifecyclePolicy Filter - AWS CloudFormation
SyntaxProperties

AWS::ImageBuilder::LifecyclePolicy Filter

Defines filters that the lifecycle policy uses to determine impacted resource.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "RetainAtLeast" : Integer,
  "Type" : String,
  "Unit" : String,
  "Value" : Integer
}

YAML

  RetainAtLeast: Integer
  Type: String
  Unit: String
  Value: Integer

Properties

RetainAtLeast

For age-based filters, this is the number of resources to keep on hand after the lifecycle DELETE action is applied. Impacted resources are only deleted if you have more than this number of resources. If you have fewer resources than this number, the impacted resource is not deleted.

Required: No

Type: Integer

Minimum: 1

Maximum: 10

Update requires: No interruption

Type

Filter resources based on either age or count.

Required: Yes

Type: String

Allowed values: AGE | COUNT

Update requires: No interruption

Unit

Defines the unit of time that the lifecycle policy uses to determine impacted resources. This is required for age-based rules.

Required: No

Type: String

Allowed values: DAYS | WEEKS | MONTHS | YEARS

Update requires: No interruption

Value

The number of units for the time period or for the count. For example, a value of 6 might refer to six months or six AMIs.

Note

For count-based filters, this value represents the minimum number of resources to keep on hand. If you have fewer resources than this number, the resource is excluded from lifecycle actions.

Required: Yes

Type: Integer

Minimum: 1

Maximum: 1000

Update requires: No interruption