cdktf deploy fails with "Unexpected token c in JSON at position 1"

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cdktf & Language Versions

"@cdktf/provider-aws": "^7.0.20",
"cdktf": "^0.10.1",
"cdktf-cli": "^0.10.1",

Terraform v1.1.8

Affected Resource(s)

Debug Output

Before cdktf plan is executed:

Debug Information:
    Terraform CDK version: 0.10.1
    Terraform version: Unknown: Error loading terraform version SyntaxError: Unexpected token c in JSON at position 1

After the plan JSON is generated:

[2022-04-19T14:44:36.026] [DEBUG] default - ::debug::Terraform exited with code 0.

Unexpected token c in JSON at position 1
[2022-04-19T14:44:36.029] [DEBUG] default - [my-stack]: errored

Expected Behavior

Stack deploys

Actual Behavior

The cdktf plan generates the JSON correctly and exists with exit code 0. However after that whatever comes next after plan (I assume it’s apply) fails with error: Unexpected token c in JSON at position 1 with no stack trace.

Steps to Reproduce

Important Factoids

Fails on GH Actions, works locally.

[ansgarm]

Hi @mbaranovski,

are you using the setup-terraform Github Action? If yes, maybe you’re running into this issue: https://github.com/hashicorp/terraform-cdk/issues/1020

[mbaranovski]

That was the case! Thanks @ansgarm & @DanielMSchmidt