cdklabs/cdk-from-cfn

A cloudformation json -> cdk typescript transpiler.

Stars: 71
Forks: 21
Open beginner issues: 0
Indexed issues: 59
Avg merge: 4h 6m
Merged PRs (30d): 17

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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59 open issues indexed

Support exporting as a Construct vs a Stack Open

enhancement

cdklabs/cdk-from-cfn#61 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Custom resources aren't resolving Open

cdklabs/cdk-from-cfn#184 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
support for Fn::ForEach Open

cdklabs/cdk-from-cfn#330 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add support for --verbose in cdk-from-cfn and aws-cdk Open

cdklabs/cdk-from-cfn#358 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
cdk migrate cli UX issue Open

cdklabs/cdk-from-cfn#367 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
wrong output - boolean properties Open

cdklabs/cdk-from-cfn#415 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Minor improvement - remove many non-null assertions Open

cdklabs/cdk-from-cfn#416 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
End-to-end tests: Use a better mechanism to compare CloudFormation templates Open

cdklabs/cdk-from-cfn#506 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
End-to-end tests: Use a separate file for defining test cases Open

cdklabs/cdk-from-cfn#507 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
End-to-end tests: Automatically update dependencies of the CDK apps created by end-to-end tests Open

cdklabs/cdk-from-cfn#508 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
End-to-end tests: Print a message if snapshots are changing or not when UPDATE_SNAPSHOTS is set Open

cdklabs/cdk-from-cfn#510 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
End-to-end tests: Add CDK feature flags Open

cdklabs/cdk-from-cfn#511 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: Templates that depend on number-to-string coalescing do not compile in all languages Open

bug

cdklabs/cdk-from-cfn#615 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: CSharp code emits multi-line strings Open

bug

cdklabs/cdk-from-cfn#616 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: Java strings are sometimes not properly escaped or closed Open

bug

cdklabs/cdk-from-cfn#617 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: properties that include special characters are not quoted in TS Open

bug

cdklabs/cdk-from-cfn#619 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: region mappings indexed with the current region fail to synthesize Open

bug

cdklabs/cdk-from-cfn#620 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: resource translation fails when a `ResourceValue::Object` containing a nested `TypeReference::Union` is encountered in deserialized template Open

bug

cdklabs/cdk-from-cfn#624 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
bug: Go - `cannot use &[]interface{}{…} (value of type *[]interface{}) as *[]*awsefs.CfnFileSystem_ElasticFileSystemTagProperty value in struct literal` Open

bug

cdklabs/cdk-from-cfn#626 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: Go - `undefined: IngressProperty` Open

bug

cdklabs/cdk-from-cfn#627 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bug: code generation issue with ApiGatewayV2 namespace. Open

bug

cdklabs/cdk-from-cfn#650 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to migrate Serverless function that references CodeUri S3 bucket Open

enhancement

cdklabs/cdk-from-cfn#693 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Named conditions fail to migrate Open

bug

cdklabs/cdk-from-cfn#694 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make schema update automatically Open

cdklabs/cdk-from-cfn#771 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Bug: ResourceTranslationError does not show the line and colunm information Open

bug enhancement

cdklabs/cdk-from-cfn#840 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bug: IpAddressType unrecognized as a valid property of AWS::ApiGatewayV2::Api Open

bug

cdklabs/cdk-from-cfn#918 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bug: RecursiveLoop unrecognized as a valid property of AWS::Lambda::Function Open

bug

cdklabs/cdk-from-cfn#920 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bug: CloudFront distribution generation fails with None is not implemented for ResourceValue::Object Open

bug

cdklabs/cdk-from-cfn#921 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature Request: Typescript - CFN conditions are created as regular variables in CDK and fails cfn stack refactor Open

cdklabs/cdk-from-cfn#975 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
csharp is missing Outputs Open

cdklabs/cdk-from-cfn#1022 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
csharp is missing Cfn Options Open

cdklabs/cdk-from-cfn#1023 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Java uses UpdateReplace Policy instead of Update policy and Deletion policy Open

cdklabs/cdk-from-cfn#1024 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Python uses camelCase instead of PascalCase for Parameters Open

cdklabs/cdk-from-cfn#1025 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Java mapping uses camelCase instead of PascalCase Open

cdklabs/cdk-from-cfn#1026 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Non-bug test issue: csharp adds extra spaces ni lambda functions Open

cdklabs/cdk-from-cfn#1027 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
All languages fail to handle strings with special characters Open

cdklabs/cdk-from-cfn#1028 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
In Java, parameter sharing name with condition causes conflict Open

cdklabs/cdk-from-cfn#1029 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2025-0134: rustls-pemfile is unmaintained Open

cdklabs/cdk-from-cfn#1089 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0002: `IterMut` violates Stacked Borrows by invalidating internal pointer Open

cdklabs/cdk-from-cfn#1115 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Rename `--stack-name` CLI option to `--name` and deprecate `--stack-name` Open

cdklabs/cdk-from-cfn#1131 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Python synthesizer generates empty `if` blocks for conditional resources Open

cdklabs/cdk-from-cfn#1139 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Python synthesizer generates invalid variable name for `!Not !Equals` condition with parameter reference Open

cdklabs/cdk-from-cfn#1140 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`Fn::FindInMap` with token keys (e.g. `AWS::Region`) generates synth-time dictionary lookup instead of deploy-time `CfnMapping.findInMap` Open

cdklabs/cdk-from-cfn#1153 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Java: conditional resource depending on another conditional resource generates uncompilable code Open

cdklabs/cdk-from-cfn#1154 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0048: CRL Distribution Point Scope Check Logic Error in AWS-LC Open

cdklabs/cdk-from-cfn#1181 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0046: PKCS7_verify Certificate Chain Validation Bypass in AWS-LC Open

cdklabs/cdk-from-cfn#1182 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0047: PKCS7_verify Signature Validation Bypass in AWS-LC Open

cdklabs/cdk-from-cfn#1183 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0045: Timing Side-Channel in AES-CCM Tag Verification in AWS-LC Open

cdklabs/cdk-from-cfn#1184 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0049: CRLs not considered authorative by Distribution Point due to faulty matching logic Open

cdklabs/cdk-from-cfn#1185 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RUSTSEC-2026-0049: CRLs not considered authorative by Distribution Point due to faulty matching logic Open

cdklabs/cdk-from-cfn#1186 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

A short digest of beginner-friendly GitHub issues.