tftg

tftg (Terraform to Terragrunt)

A tool that automates ad-hoc Terraform to Terragrunt project transformations.

Uses hcl library to parse existing .tf files and generate new ones.

Build & Run

Build

1. Change directory to cmd/tftg
2. Run go build
3. Use created tftg binary for the next steps

Run

1. Copy the tftg binary from Build stage into the working directory where all *.tf files located
2. Run tftg [flags...] bootstrap command. It will scaffold new Terragrunt structure
3. Set export JIRA_USER=... env variable
4. Set export JIRA_PASSWORD=... env variable
5. Configure proper AWS Credentials to use with aws cli pointing to the right account
6. Run tftg [flags...] import command that will fetch the current state of all necessary resources.

Troubleshooting

to many open files error

Run ulimit -n to see the limit.

Run ulimit -n 4096 to make it larger.

terragrunt apply on PermissionSets fails

Inline policy generation in json is currently malformed. To fix it just reformat the file manually.

Useful commands

If you need to delete some files of a particular pattern recursively from all directories run find . -name "*.bak" -type f -delete