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https://github.com/coretech/terrafile
A binary written in Go to systematically manage external modules from Github for use in Terraform
https://github.com/coretech/terrafile
golang team-carrier terrafile terraform
Last synced: 2 months ago
JSON representation
A binary written in Go to systematically manage external modules from Github for use in Terraform
- Host: GitHub
- URL: https://github.com/coretech/terrafile
- Owner: coretech
- License: apache-2.0
- Archived: true
- Created: 2018-10-15T20:02:40.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2023-02-16T14:08:51.000Z (almost 2 years ago)
- Last Synced: 2024-09-26T00:39:59.279Z (3 months ago)
- Topics: golang, team-carrier, terrafile, terraform
- Language: Go
- Homepage:
- Size: 1.3 MB
- Stars: 141
- Watchers: 16
- Forks: 28
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-terraform - terrafile - Systematically manage external modules from Github for use in Terraform (written in Go). (Tools / Miscellaneous)
- awesome-tf - coretech/terrafile - Systematically manage external modules from Github for use in Terraform (written in Go). :skull: (Tools / Community providers)
README
# Terrafile
Terrafile is a binary written in Go to systematically manage external modules from Github for use in Terraform. See this [article](http://bensnape.com/2016/01/14/terraform-design-patterns-the-terrafile/) for more information on how it was introduced in a Ruby rake task.
## How to install
### macOS
```sh
brew tap coretech/terrafile && brew install terrafile
```
### Linux
Download your preferred flavor from the [releases](https://github.com/coretech/terrafile/releases/latest) page and install manually.
For example:
```sh
curl -L https://github.com/coretech/terrafile/releases/download/v{VERSION}/terrafile_{VERSION}_Linux_x86_64.tar.gz | tar xz -C /usr/local/bin
```
## How to use
Terrafile expects a file named `Terrafile` which will contain your terraform module dependencies in a yaml like format.
There are two approaches that can be used for managing your modules depending on the structure of your terraform code:
1. The default approach: `Terrafile` is located directly in the directory where terraform is run
2. Centrally managed: `Terrafile` is located in "root" directory of your terraform code, managing modules in all subfolders / stacks
### Default Approach
An example of default approach (#1) to `Terrafile`
```
tf-aws-vpc:
source: "[email protected]:terraform-aws-modules/terraform-aws-vpc"
version: "v1.46.0"
tf-aws-vpc-experimental:
source: "[email protected]:terraform-aws-modules/terraform-aws-vpc"
version: "master"
```
Terrafile config file in current directory and modules exported to ./vendor/modules
```sh
$ terrafile
INFO[0000] [*] Checking out v1.46.0 of [email protected]:terraform-aws-modules/terraform-aws-vpc
INFO[0000] [*] Checking out master of [email protected]:terraform-aws-modules/terraform-aws-vpc
```
Terrafile config file in custom directory
```sh
$ terrafile -f config/Terrafile
INFO[0000] [*] Checking out v1.46.0 of [email protected]:terraform-aws-modules/terraform-aws-vpc
INFO[0000] [*] Checking out master of [email protected]:terraform-aws-modules/terraform-aws-vpc
```
Terraform modules exported to custom directory
```sh
$ terrafile -p custom_directory
INFO[0000] [*] Checking out master of [email protected]:terraform-aws-modules/terraform-aws-vpc
INFO[0001] [*] Checking out v1.46.0 of [email protected]:terraform-aws-modules/terraform-aws-vpc
```
### Centrally Managed Approach
An example of using `Terrafile` in a root directory (#2):
Let's assume the following directory structure:
```
.
├── iam
│ ├── main.tf
│ └── .....tf
├── networking
│ ├── main.tf
│ └── .....tf
├── onboarding
.
.
.
├── some-other-stack
└── Terrafile
```
In the above scenario, Terrafile is not in every single folder but in the "root" of terraform code.
An example usage of centrally managed modules:
```
tf-aws-vpc:
source: "[email protected]:terraform-aws-modules/terraform-aws-vpc"
version: "v1.46.0"
destination:
- networking
tf-aws-iam:
source: "[email protected]:terraform-aws-modules/terraform-aws-iam"
version: "v5.11.1"
destination:
- iam
tf-aws-s3-bucket:
source: "[email protected]:terraform-aws-modules/terraform-aws-s3-bucket"
version: "v3.6.1"
destination:
- networking
- onboarding
- some-other-stack
```
The `destination` of module is an array of directories (stacks) where the module should be used.
The module itself is fetched once and copied over to designated destinations.
Final destination of the module is handled in a similar way as in first approach: `$destination/$module_path/$module_key`.
The output of the run is exactly the same in both options.
## TODO
* Break out the main logic into seperate commands (e.g. version, help, run)
* Update tests to include unit tests for broken out commands
* Add coverage tool and badge
* May be worth renaming Terrafile config file to something that won't be misinterpreted as the binary