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Update testing framework, other maintenance (#18)
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4 changes: 2 additions & 2 deletions .github/CODEOWNERS
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# Cloud Posse must review any changes to standard context definition,
# but some changes can be rubber-stamped.
**/*.tf @cloudposse/engineering @cloudposse/approvers
README.yaml @cloudposse/engineering @cloudposse/approvers
**/*.tf @cloudposse/engineering @cloudposse/contributors @cloudposse/approvers
README.yaml @cloudposse/engineering @cloudposse/contributors @cloudposse/approvers
README.md @cloudposse/engineering @cloudposse/contributors @cloudposse/approvers
docs/*.md @cloudposse/engineering @cloudposse/contributors @cloudposse/approvers

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- 'bugfix'
- 'bug'
- 'hotfix'
- 'no-release'
default: 'minor'

categories:
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replacers:
# Remove irrelevant information from Renovate bot
- search: '/---\s+^#.*Renovate configuration(?:.|\n)*?This PR has been generated .*/gm'
- search: '/(?<=---\s)\s*^#.*(Renovate configuration|Configuration)(?:.|\n)*?This PR has been generated .*/gm'
replace: ''
# Remove Renovate bot banner image
- search: '/\[!\[[^\]]*Renovate\][^\]]*\](\([^)]*\))?\s*\n+/gm'
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<!-- markdownlint-disable -->
# terraform-example-module [![Latest Release](https://img.shields.io/github/release/cloudposse/terraform-example-module.svg)](https://github.com/cloudposse/terraform-example-module/releases/latest) [![Slack Community](https://slack.cloudposse.com/badge.svg)](https://slack.cloudposse.com) [![Discourse Forum](https://img.shields.io/discourse/https/ask.sweetops.com/posts.svg)](https://ask.sweetops.com/)
# terraform-example-module
<!-- markdownlint-restore -->

[![README Header][readme_header_img]][readme_header_link]
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-->

This is `terraform-example-module` project provides all the scaffolding for a typical well-built Cloud Posse module. It's a template repository you can
use when creating new repositories.
This is an example project to provide all the scaffolding for a typical well-built Cloud Posse
Terraform module for AWS resources. It's a template repository you can
use when creating new repositories. This is not a useful module by itself.

---

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## Usage

## Quick Start

**IMPORTANT:** We do not pin modules to versions in our examples because of the
difficulty of keeping the versions in the documentation in sync with the latest released versions.
We highly recommend that in your code you pin the version to the exact version you are
using so that your infrastructure remains stable, and update versions in a
systematic way so that they do not catch you by surprise.
1. Use this repo as a template for a new repo.
2. Check out the new repo and create a `git` branch to work on.
3. Replace the Terraform code at the root of the repo with the code you want to publish.
4. Replace the code in `examples/complete` with Terraform code that will make a good automated test.
Please keep `context.tf` and `fixtures.us-east-2.tfvars` in place and change only `name`, leaving
`region`, `namespace`, `environment`, and `stage` as is. Provide outputs that will be useful for testing.
5. Update `test/src/examples_complete_test.go` to verify the outputs of running `terraform apply` on `examples/complete`.
6. Run `make github/init` to update the repo with the current Cloud Posse framework files (e.g. `CODEOWNERS`).
7. Run `make pr/auto-format` to format the Terraform code and generate documentation.
8. Commit everything to `git` and open your first PR on the new repo.

Also, because of a bug in the Terraform registry ([hashicorp/terraform#21417](https://github.com/hashicorp/terraform/issues/21417)),
the registry shows many of our inputs as required when in fact they are optional.
The table below correctly indicates which inputs are required.


For a complete example, see [examples/complete](examples/complete).

For automated tests of the complete example using [bats](https://github.com/bats-core/bats-core) and [Terratest](https://github.com/gruntwork-io/terratest)
(which tests and deploys the example on AWS), see [test](test).

```hcl
module "example" {
source = "https://github.com/cloudposse/terraform-example-module.git?ref=master"
example = "Hello world!"
}
```




## Examples

Here is an example of using this module:
- [`examples/complete`](https://github.com/cloudposse/terraform-example-module/) - complete example of using this module



<!-- markdownlint-disable -->
## Makefile Targets
```text
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
```
<!-- markdownlint-restore -->
<!-- markdownlint-disable -->
## Requirements

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_local"></a> [local](#requirement\_local) | >= 1.2 |
| <a name="requirement_random"></a> [random](#requirement\_random) | >= 2.2 |

## Providers

| Name | Version |
|------|---------|
| <a name="provider_random"></a> [random](#provider\_random) | >= 2.2 |

## Modules

| Name | Source | Version |
|------|--------|---------|
| <a name="module_this"></a> [this](#module\_this) | cloudposse/label/null | 0.25.0 |

## Resources

| Name | Type |
|------|------|
| [random_integer.example](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/integer) | resource |

## Inputs

| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| <a name="input_additional_tag_map"></a> [additional\_tag\_map](#input\_additional\_tag\_map) | Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`.<br>This is for some rare cases where resources want additional configuration of tags<br>and therefore take a list of maps with tag key, value, and additional configuration. | `map(string)` | `{}` | no |
| <a name="input_attributes"></a> [attributes](#input\_attributes) | ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`,<br>in the order they appear in the list. New attributes are appended to the<br>end of the list. The elements of the list are joined by the `delimiter`<br>and treated as a single ID element. | `list(string)` | `[]` | no |
| <a name="input_context"></a> [context](#input\_context) | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | <pre>{<br> "additional_tag_map": {},<br> "attributes": [],<br> "delimiter": null,<br> "descriptor_formats": {},<br> "enabled": true,<br> "environment": null,<br> "id_length_limit": null,<br> "label_key_case": null,<br> "label_order": [],<br> "label_value_case": null,<br> "labels_as_tags": [<br> "unset"<br> ],<br> "name": null,<br> "namespace": null,<br> "regex_replace_chars": null,<br> "stage": null,<br> "tags": {},<br> "tenant": null<br>}</pre> | no |
| <a name="input_delimiter"></a> [delimiter](#input\_delimiter) | Delimiter to be used between ID elements.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
| <a name="input_descriptor_formats"></a> [descriptor\_formats](#input\_descriptor\_formats) | Describe additional descriptors to be output in the `descriptors` output map.<br>Map of maps. Keys are names of descriptors. Values are maps of the form<br>`{<br> format = string<br> labels = list(string)<br>}`<br>(Type is `any` so the map values can later be enhanced to provide additional options.)<br>`format` is a Terraform format string to be passed to the `format()` function.<br>`labels` is a list of labels, in order, to pass to `format()` function.<br>Label values will be normalized before being passed to `format()` so they will be<br>identical to how they appear in `id`.<br>Default is `{}` (`descriptors` output will be empty). | `any` | `{}` | no |
| <a name="input_enabled"></a> [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
| <a name="input_environment"></a> [environment](#input\_environment) | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
| <a name="input_example"></a> [example](#input\_example) | Example variable | `string` | `"hello world"` | no |
| <a name="input_id_length_limit"></a> [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).<br>Set to `0` for unlimited length.<br>Set to `null` for keep the existing setting, which defaults to `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
| <a name="input_label_key_case"></a> [label\_key\_case](#input\_label\_key\_case) | Controls the letter case of the `tags` keys (label names) for tags generated by this module.<br>Does not affect keys of tags passed in via the `tags` input.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
| <a name="input_label_order"></a> [label\_order](#input\_label\_order) | The order in which the labels (ID elements) appear in the `id`.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present. | `list(string)` | `null` | no |
| <a name="input_label_value_case"></a> [label\_value\_case](#input\_label\_value\_case) | Controls the letter case of ID elements (labels) as included in `id`,<br>set as tag values, and output by this module individually.<br>Does not affect values of tags passed in via the `tags` input.<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs.<br>Default value: `lower`. | `string` | `null` | no |
| <a name="input_labels_as_tags"></a> [labels\_as\_tags](#input\_labels\_as\_tags) | Set of labels (ID elements) to include as tags in the `tags` output.<br>Default is to include all labels.<br>Tags with empty values will not be included in the `tags` output.<br>Set to `[]` to suppress all generated tags.<br>**Notes:**<br> The value of the `name` tag, if included, will be the `id`, not the `name`.<br> Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be<br> changed in later chained modules. Attempts to change it will be silently ignored. | `set(string)` | <pre>[<br> "default"<br>]</pre> | no |
| <a name="input_name"></a> [name](#input\_name) | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.<br>This is the only ID element not also included as a `tag`.<br>The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input. | `string` | `null` | no |
| <a name="input_namespace"></a> [namespace](#input\_namespace) | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | `string` | `null` | no |
| <a name="input_regex_replace_chars"></a> [regex\_replace\_chars](#input\_regex\_replace\_chars) | Terraform regular expression (regex) string.<br>Characters matching the regex will be removed from the ID elements.<br>If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
| <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
| <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
| <a name="input_tenant"></a> [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |

## Outputs

| Name | Description |
|------|-------------|
| <a name="output_example"></a> [example](#output\_example) | Example output |
| <a name="output_id"></a> [id](#output\_id) | ID of the created example |
| <a name="output_random"></a> [random](#output\_random) | Stable random number for this example |
<!-- markdownlint-restore -->



Expand All @@ -202,17 +112,17 @@ Are you using this project or any of our other projects? Consider [leaving a tes

Check out these related projects.

- [terraform-null-label](https://github.com/cloudposse/terraform-null-label) - Terraform module designed to generate consistent names and tags for resources. Use terraform-null-label to implement a strict naming convention.
- [Example App](https://github.com/cloudposse/example-app) - Example application for CI/CD demonstrations of Codefresh


## References

For additional context, refer to some of these links.

- [Terraform Standard Module Structure](https://www.terraform.io/docs/modules/index.html#standard-module-structure) - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
- [Cloud Posse Documentation](https://docs.cloudposse.com) - The Cloud Posse Developer Hub (documentation)
- [Terraform Standard Module Structure](https://www.terraform.io/docs/language/modules/develop/structure.html) - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
- [Terraform Module Requirements](https://www.terraform.io/docs/registry/modules/publish.html#requirements) - HashiCorp's guidance on all the requirements for publishing a module. Meeting the requirements for publishing a module is extremely easy.
- [Terraform `random_integer` Resource](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/integer) - The resource random_integer generates random values from a given range, described by the min and max attributes of a given resource.
- [Terraform Version Pinning](https://www.terraform.io/docs/configuration/terraform.html#specifying-a-required-terraform-version) - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration
- [Terraform Version Pinning](https://www.terraform.io/docs/language/settings/index.html#specifying-a-required-terraform-version) - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration


## Help
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## Copyrights

Copyright © 2020-2021 [Cloud Posse, LLC](https://cloudposse.com)
Copyright © 2021-2021 [Cloud Posse, LLC](https://cloudposse.com)



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Check out [our other projects][github], [follow us on twitter][twitter], [apply for a job][jobs], or [hire us][hire] to help with your cloud strategy and implementation.



### Contributors

<!-- markdownlint-disable -->
| [![Erik Osterman][osterman_avatar]][osterman_homepage]<br/>[Erik Osterman][osterman_homepage] |
|---|
<!-- markdownlint-restore -->

[osterman_homepage]: https://github.com/osterman
[osterman_avatar]: https://img.cloudposse.com/150x150/https://github.com/osterman.png

[![README Footer][readme_footer_img]][readme_footer_link]
[![Beacon][beacon]][website]

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