v1: E2001 'AllowedPattern' is not one of [ ... ] for parameter type AWS::EC2::Image::Id - Githubissues

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v1: E2001 'AllowedPattern' is not one of [ ... ] for parameter type AWS::EC2::Image::Id #3381

Closed cbernander closed 1 week ago

cbernander commented 1 week ago

CloudFormation Lint Version

1.3.3

What operating system are you using?

Ubuntu

Describe the bug

Validation fails when specifying the AllowedPattern propety for a parameter with type AWS::EC2::Image::Id.

Expected behavior

Validation should pass.

Reproduction template

AWSTemplateFormatVersion: "2010-09-09"
Parameters:
  MyImageId:
    Type: AWS::EC2::Image::Id
    AllowedPattern: '^ami-[0-9a-f]+$'
Resources:
  myInstance:
    Type: AWS::EC2::Instance
    Properties:
      ImageId: !Ref MyImageId