terraform-github-repository

A Terraform module for creating a public or private repository on Github.

This module supports Terraform v1.x and is compatible with the Official Terraform GitHub Provider v4.10 and above from integrations/github.

Attention: This module is incompatible with the Hashicorp GitHub Provider! The latest version of this module supporting hashicorp/github provider is ~> 0.10.0

Security related notice: Versions 4.7.0, 4.8.0, 4.9.0 and 4.9.1 of the Terraform Github Provider are deny-listed in version constraints as a regression introduced in 4.7.0 and fixed in 4.9.2 creates public repositories from templates even if visibility is set to private.

Module Features
Getting Started
Module Argument Reference
Module Outputs
External Documentation
- Terraform Github Provider Documentation
Module Versioning
- Backwards compatibility in 0.0.z and 0.y.z version
GitHub as Code
About Mineiros
Reporting Issues
Contributing
Makefile Targets
License

Module Features

In contrast to the plain github_repository resource this module enables various other features like Branch Protection or Collaborator Management.

Default Security Settings: This module creates a private repository by default, Deploy keys are read-only by default
Standard Repository Features: Setting basic Metadata, Merge Strategy, Auto Init, License Template, Gitignore Template, Template Repository
Extended Repository Features: Branches, Branch Protection, Issue Labels, Handle Github Default Issue Labels, Collaborators, Teams, Deploy Keys, Projects, Repository Webhooks
Features not yet implemented: Project Columns support, Actions, Repository File

Getting Started

Most basic usage creating a new private github repository.

module "repository" {
  source  = "mineiros-io/repository/github"
  version = "~> 0.16.0"

  name               = "terraform-github-repository"
  license_template   = "apache-2.0"
  gitignore_template = "Terraform"
}

provider "github" {}

terraform {
  required_version = "~> 1.0"

  required_providers {
    github = {
      source  = "integrations/github"
      version = "~> 4.0"
    }
  }
}

Module Argument Reference

See variables.tf and examples/ for details and use-cases.

Main Resource Configuration

name: (Required string)

The name of the repository.
defaults: (Optional object(defaults))

A object of default settings to use instead of module defaults for top-level arguments. See below for a list of supported arguments.

This is a special argument to set various defaults to be reused for multiple repositories.

The following top-level arguments can be set as defaults: homepage_url, visibility, has_issues, has_projects, has_wiki, allow_merge_commit, allow_rebase_merge, allow_squash_merge, allow_auto_merge, has_downloads, auto_init, gitignore_template, license_template, default_branch, topics, issue_labels_create, issue_labels_merge_with_github_labels.

Module defaults are used for all arguments that are not set in defaults. Using top level arguments override defaults set by this argument.

Default is {}.
pages: (Optional object(pages))

A object of settings to configure GitHub Pages in this repository. See below for a list of supported arguments.

Default is {}.

The pages object accepts the following attributes:
- branch: (Required string)
  
  The repository branch used to publish the site's source files.
- path: (Optional string)
  
  The repository directory from which the site publishes.
- cname: (Optional string)
  
  The custom domain for the repository. This can only be set after the repository has been created.
allow_merge_commit: (Optional bool)

Set to false to disable merge commits on the repository. If you set this to false you have to enable either allow_squash_merge or allow_rebase_merge.

Default is true.
allow_squash_merge: (Optional bool)

Set to true to enable squash merges on the repository.

Default is false.
allow_rebase_merge: (Optional bool)

Set to true to enable rebase merges on the repository.

Default is false.
allow_auto_merge: (Optional bool)

Set to true to allow auto-merging pull requests on the repository. If you enable auto-merge for a pull request, the pull request will merge automatically when all required reviews are met and status checks have passed.

Default is false.
description: (Optional string)

A description of the repository.

Default is "".
delete_branch_on_merge: (Optional bool)

Set to false to disable the automatic deletion of head branches after pull requests are merged.

Default is true.
homepage_url: (Optional string)

URL of a page describing the project.

Default is "".
private: (Optional bool)

DEPRECATED: Please use visibility instead and update your code. parameter will be removed in a future version
visibility: (Optional string)

Can be public or private. If your organization is associated with an enterprise account using GitHub Enterprise Cloud or GitHub Enterprise Server 2.20+, visibility can also be internal. The visibility parameter overrides the deprecated private parameter.

Default is "private".
has_issues: (Optional bool)

Set to true to enable the GitHub Issues features on the repository.

Default is false.
has_projects: (Optional bool)

Set to true to enable the GitHub Projects features on the repository.

Default is false.
has_wiki: (Optional bool)

Set to true to enable the GitHub Wiki features on the repository.

Default is false.
has_downloads: (Optional bool)

Set to true to enable the (deprecated) downloads features on the repository.

Default is false.
is_template: (Optional bool)

Set to true to tell GitHub that this is a template repository.

Default is false.
default_branch: (Optional string)

The name of the default branch of the repository. NOTE: The configured default branch must exist in the repository. If the branch doesn't exist yet, or if you are creating a new repository, please add the desired default branch to the branches variable, which will cause Terraform to create it for you.

Default is "".
archived: (Optional bool)

Specifies if the repository should be archived. NOTE: Currently, the API does not support unarchiving.

Default is false.
topics: (Optional list(string))

The list of topics of the repository.

Default is [].
extra_topics: (Optional list(string))

A list of additional topics of the repository. Those topics will be added to the list of topics. This is useful if default.topics are used and the list should be extended with more topics.

Default is [].
vulnerability_alerts: (Optional bool)

Set to false to disable security alerts for vulnerable dependencies. Enabling requires alerts to be enabled on the owner level.
archive_on_destroy: (Optional bool)

Set to false to not archive the repository instead of deleting on destroy.

Default is true.

Extended Resource Configuration

Repository Creation Configuration

The following four arguments can only be set at repository creation and changes will be ignored for repository updates and will not show a diff in plan or apply phase.

auto_init: (Optional bool)

Set to false to not produce an initial commit in the repository.

Default is true.
gitignore_template: (Optional string)

Use the name of the template without the extension.

Default is "".
license_template: (Optional string)

Use the name of the template without the extension.

Default is "".
template: (Optional object(template))

Use a template repository to create this resource.

Default is {}.

The template object accepts the following attributes:
- owner: (Required string)
  
  The GitHub organization or user the template repository is owned by.
- repository: (Required string)
  
  The name of the template repository.

Teams Configuration

Your can use non-computed (known at terraform plan) team names or slugs (*_teams Attributes) or computed (only known in terraform apply phase) team IDs (*_team_ids Attributes). When using non-computed names/slugs teams need to exist before running plan. This is due to some terraform limitation and we will update the module once terraform removed this limitation.

pull_teams: (Optional list(string))

Can also be pull_team_ids. A list of teams to grant pull (read-only) permission. Recommended for non-code contributors who want to view or discuss your project.

Default is [].
triage_teams: (Optional list(string))

Can also be triage_team_ids. A list of teams to grant triage permission. Recommended for contributors who need to proactively manage issues and pull requests without write access.

Default is [].
push_teams: (Optional list(string))

Can also be push_team_ids. A list of teams to grant push (read-write) permission. Recommended for contributors who actively push to your project.

Default is [].
maintain_teams: (Optional list(string))

Can also be maintain_team_ids. A list of teams to grant maintain permission. Recommended for project managers who need to manage the repository without access to sensitive or destructive actions.

Default is [].
admin_teams: (Optional list(string))

Can also be admin_team_ids. A list of teams to grant admin (full) permission. Recommended for people who need full access to the project, including sensitive and destructive actions like managing security or deleting a repository.

Default is [].

Collaborator Configuration

pull_collaborators: (Optional list(string))

A list of user names to add as collaborators granting them pull (read-only) permission. Recommended for non-code contributors who want to view or discuss your project.

Default is [].
triage_collaborators: (Optional list(string))

A list of user names to add as collaborators granting them triage permission. Recommended for contributors who need to proactively manage issues and pull requests without write access.

Default is [].
push_collaborators: (Optional list(string))

A list of user names to add as collaborators granting them push (read-write) permission. Recommended for contributors who actively push to your project.

Default is [].
maintain_collaborators: (Optional list(string))

A list of user names to add as collaborators granting them maintain permission. Recommended for project managers who need to manage the repository without access to sensitive or destructive actions.

Default is [].
admin_collaborators: (Optional list(string))

A list of user names to add as collaborators granting them admin (full) permission. Recommended for people who need full access to the project, including sensitive and destructive actions like managing security or deleting a repository.

Default is [].

Branches Configuration

branches: (Optional list(branch))

Create and manage branches within your repository. Additional constraints can be applied to ensure your branch is created from another branch or commit.

Default is [].

Each branch object in the list accepts the following attributes:
- name: (Required string)
  
  The name of the branch to create.
- source_branch: (Optional string)
  
  The branch name to start from. Uses the configured default branch per default.
- source_sha: (Optional bool)
  
  The commit hash to start from. Defaults to the tip of source_branch. If provided, source_branch is ignored.
  
  Default is true.

Deploy Keys Configuration

deploy_keys: (Optional list(deploy_key))

Can also be type list(string). Specifies deploy keys and access-level of deploy keys used in this repository. Every string in the list will be converted internally into the object representation with the key argument being set to the string. object details are explained below.

Default is [].

Each deploy_key object in the list accepts the following attributes:
- key: (Required string)
  
  The SSH public key.
- title: (Optional string)
  
  A Title for the key. Default is the comment field of SSH public key if it is not empty else it defaults to md5(key).
- read_only: (Optional bool)
  
  Specifies the level of access for the key.
  
  Default is true.
- id: (Optional string)
  
  Specifies an ID which is used to prevent resource recreation when the order in the list of deploy keys changes. The ID must be unique between deploy_keys and deploy_keys_computed.
  
  Default is "md5(key)".
deploy_keys_computed: (Optional list(deploy_key))

Can also be type string. Same as deploy_keys argument with the following differences: Use this argument if you depend on computed keys that terraform can not use in resource for_each execution. Downside of this is the recreation of deploy key resources whenever the order in the list changes. Prefer deploy_keys whenever possible. This argument does not conflict with deploy_keys and should exclusively be used for computed resources.

Default is [].

Each deploy_key object in the list accepts the following attributes:
- key: (Required string)
  
  The SSH public key.
- title: (Optional string)
  
  A Title for the key. Default is the comment field of SSH public key if it is not empty else it defaults to md5(key).
- read_only: (Optional bool)
  
  Specifies the level of access for the key.
  
  Default is true.
- id: (Optional string)
  
  Specifies an ID which is used to prevent resource recreation when the order in the list of deploy keys changes. The ID must be unique between deploy_keys and deploy_keys_computed.
  
  Default is "md5(key)".

Branch Protections Configuration

branch_protections_v3: (Optional list(branch_protection_v3))

This resource allows you to configure branch protection for repositories in your organization. When applied, the branch will be protected from forced pushes and deletion. Additional constraints, such as required status checks or restrictions on users and teams, can also be configured.

Default is [].

Each branch_protection_v3 object in the list accepts the following attributes:
- branch: (Required string)
  
  The Git branch to protect.
- enforce_admins: (Optional bool)
  
  Setting this to true enforces status checks for repository administrators.
  
  Default is false.
- require_conversation_resolution: (Optional bool)
  
  Setting this to true requires all conversations to be resolved.
  
  Default is false.
- require_signed_commits: (Optional bool)
  
  Setting this to true requires all commits to be signed with GPG.
  
  Default is false.
- required_status_checks: (Optional object(required_status_checks))
  
  Enforce restrictions for required status checks. See Required Status Checks below for details.
  
  Default is {}.
  
  The required_status_checks object accepts the following attributes:
  - strict: (Optional bool)
    
    Require branches to be up to date before merging.
    
    Default is false.
  - contexts: (Optional list(string))
    
    The list of status checks to require in order to merge into this branch. If default is [] no status checks are required.
    
    Default is [].
- required_pull_request_reviews: (Optional object(required_pull_request_reviews))
  
  Enforce restrictions for pull request reviews.
  
  Default is {}.
  
  The required_pull_request_reviews object accepts the following attributes:
  - dismiss_stale_reviews: (Optional bool)
    
    Dismiss approved reviews automatically when a new commit is pushed.
    
    Default is true.
  - dismissal_users: (Optional list(string))
    
    The list of user logins with dismissal access
    
    Default is [].
  - dismissal_teams: (Optional list(string))
    
    The list of team slugs with dismissal access. Always use slug of the team, not its name. Each team already has to have access to the repository.
    
    Default is [].
  - require_code_owner_reviews: (Optional bool)
    
    Require an approved review in pull requests including files with a designated code owner.
    
    Default is false.
- restrictions: (Optional object(restrictions))
  
  Enforce restrictions for the users and teams that may push to the branch - only available for organization-owned repositories. See Restrictions below for details.
  
  Default is {}.
  
  The restrictions object accepts the following attributes:
  - users: (Optional list(string))
    
    The list of user logins with push access.
    
    Default is [].
  - teams: (Optional list(string))
    
    The list of team slugs with push access. Always use slug of the team, not its name. Each team already has to have access to the repository.
    
    Default is [].
  - apps: (Optional list(string))
    
    The list of app slugs with push access.
    
    Default is [].
branch_protections: (Optional list(branch_protection_v3))

DEPRECATED To ensure compatibility with future versions of this module, please use branch_protections_v3. This argument is ignored if branch_protections_v3 is used. Please see branch_protections_v3 for supported attributes.

Default is [].

Issue Labels Configuration

issue_labels: (Optional list(issue_label))

This resource allows you to create and manage issue labels within your GitHub organization. Issue labels are keyed off of their "name", so pre-existing issue labels result in a 422 HTTP error if they exist outside of Terraform. Normally this would not be an issue, except new repositories are created with a "default" set of labels, and those labels easily conflict with custom ones. This resource will first check if the label exists, and then issue an update, otherwise it will create.

Default is [].

Each issue_label object in the list accepts the following attributes:
- name: (Required string)
  
  The name of the label.
- color: (Required string)
  
  A 6 character hex code, without the leading #, identifying the color of the label.
- description: (Optional string)
  
  A short description of the label.
  
  Default is "".
- id: (Optional string)
  
  Specifies an ID which is used to prevent resource recreation when the order in the list of issue labels changes.
  
  Default is "name".
issue_labels_merge_with_github_labels: (Optional bool)

Specify if github default labels will be handled by terraform. This should be decided on upon creation of the repository. If you later decide to disable this feature, github default labels will be destroyed if not replaced by labels set in issue_labels argument.
issue_labels_create: (Optional bool)

Specify whether you want to force or suppress the creation of issues labels. Default is true if has_issues is true or issue_labels is non-empty.

Projects Configuration

projects: (Optional list(project))

This resource allows you to create and manage projects for GitHub repository.

Default is [].

Each project object in the list accepts the following attributes:
- name: (Required string)
  
  The name of the project.
- body: (Optional string)
  
  The body of the project.
  
  Default is "".
- id: (Optional string)
  
  Specifies an ID which is used to prevent resource recreation when the order in the list of projects changes.
  
  Default is "name".

Webhooks Configuration

webhooks: (Optional list(webhook))

This resource allows you to create and manage webhooks for repositories in your organization. When applied, a webhook will be created which specifies a URL to receive events and which events to receieve. Additional constraints, such as SSL verification, pre-shared secret and content type can also be configured

Default is [].

Each webhook object in the list accepts the following attributes:
- events: (Required list(string))
  
  A list of events which should trigger the webhook. See a list of available events.
- url: (Required string)
  
  The URL to which the payloads will be delivered.
- active: (Optional bool)
  
  Indicate if the webhook should receive events. Defaults to true.
- content_type: (Optional string)
  
  The media type used to serialize the payloads. Supported values include json and form.
  
  Default is "form".
- secret: (Optional string)
  
  If provided, the secret will be used as the key to generate the HMAC hex digest value in the X-Hub-Signature header.
- insecure_ssl: (Optional bool)
  
  Determines whether the SSL certificate of the host for url will be verified when delivering payloads. Supported values include 0 (verification is performed) and 1 (verification is not performed). The default is 0. We strongly recommend not setting this to 1 as you are subject to man-in-the-middle and other attacks.

Secrets Configuration

plaintext_secrets: (Optional map(string))

This map allows you to create and manage secrets for repositories in your organization.

Each element in the map is considered a secret to be managed, being the key map the secret name and the value the corresponding secret in plain text:

When applied, a secret with the given key and value will be created in the repositories.

The value of the secrets must be given in plain text, GitHub provider is in charge of encrypting it.

Attention: You should treat state as sensitive always. It is also advised that you do not store plaintext values in your code but rather populate the encrypted_value using fields from a resource, data source or variable as, while encrypted in state, these will be easily accessible in your code. See below for an example of this abstraction.

Default is {}.

Example:
```
plaintext_secrets = {
  SECRET_NAME_1 = "plaintext_secret_value_1"
  SECRET_NAME_2 = "plaintext_secret_value_2"
}
```
encrypted_secrets: (Optional map(string))

This map allows you to create and manage encrypted secrets for repositories in your organization.

Each element in the map is considered a secret to be managed, being the key map the secret name and the value the corresponding encrypted value of the secret using the Github public key in Base64 format.b

When applied, a secret with the given key and value will be created in the repositories.

Default is {}.

Example:
```
encrypted_secrets = {
  SECRET_NAME_1 = "c2VjcmV0X3ZhbHVlXzE="
  SECRET_NAME_2 = "c2VjcmV0X3ZhbHVlXzI="
}
```
required_approving_review_count: (Optional number)

Require x number of approvals to satisfy branch protection requirements. If this is specified it must be a number between 1-6. This requirement matches Github's API, see the upstream documentation for more information. Default is no approving reviews are required.

Autolink References Configuration

autolink_references: (Optional list(autolink_reference))

This resource allows you to create and manage autolink references for GitHub repository.

Default is [].

Each autolink_reference object in the list accepts the following attributes:
- key_prefix: (Required string)
  
  This prefix appended by a number will generate a link any time it is found in an issue, pull request, or commit.
- target_url_template: (Required string)
  
  The template of the target URL used for the links; must be a valid URL and contain <num> for the reference number.

App Installations

app_installations: (Optional set(string))

A set of GitHub App IDs to be installed in this repository.

Default is {}.

Example:
```
app_installations = ["05405144", "12556423"]
```

Module Configuration

module_depends_on: (Optional list(dependency))

Due to the fact, that terraform does not offer depends_on on modules as of today (v0.12.24) we might hit race conditions when dealing with team names instead of ids. So when using the feature of adding teams by slug/name to the repository when creating it, make sure to add all teams to this list as indirect dependencies.

Default is [].

Module Outputs

The following attributes are exported by the module:

repository: (object(repository))

All repository attributes as returned by the github_repository resource containing all arguments as specified above and the other attributes as specified below.
branches: (object(branches))

All repository attributes as returned by the [github_branch] resource containing all arguments as specified above and the other attributes as specified below.
full_name: (string)

A string of the form "orgname/reponame".
html_url: (string)

URL to the repository on the web.
ssh_clone_url: (string)

URL that can be provided to git clone to clone the repository via SSH.
http_clone_url: (string)

URL that can be provided to git clone to clone the repository via HTTPS.
git_clone_url: (string)

URL that can be provided to git clone to clone the repository anonymously via the git protocol.
collaborators: (object(collaborators))

A map of Collaborator objects keyed by the name of the collaborator as returned by the github_repository_collaborator resource.
deploy_keys: (object(deploy_keys))

A merged map of deploy key objects for the keys originally passed via deploy_keys and deploy_keys_computed as returned by the github_repository_deploy_key resource keyed by the input id of the key.
projects: (object(project))

A map of Project objects keyed by the id of the project as returned by the github_repository_project resource
issue_labels: (object(issue_label))

A map of issue labels keyed by label input id or name.
webhooks: (object(webhook))

All attributes and arguments as returned by the github_repository_webhook resource.
secrets: (object(secret))

List of secrets available.
app_installations: (set(number))

A map of deploy app installations keyed by installation id.

External Documentation

Terraform Github Provider Documentation

Module Versioning

This Module follows the principles of Semantic Versioning (SemVer).

Given a version number MAJOR.MINOR.PATCH, we increment the:

MAJOR version when we make incompatible changes,
MINOR version when we add functionality in a backwards compatible manner, and
PATCH version when we make backwards compatible bug fixes.

Backwards compatibility in `0.0.z` and `0.y.z` version

Backwards compatibility in versions 0.0.z is not guaranteed when z is increased. (Initial development)
Backwards compatibility in versions 0.y.z is not guaranteed when y is increased. (Pre-release)

GitHub as Code

GitHub as Code is a commercial solution built on top of our open-source Terraform modules for GitHub. It helps our customers to manage their GitHub organization more efficiently by enabling anyone in their organization to self-service manage on- and offboarding of users, repositories, and settings such as branch protections, secrets, and more through code.

For details please see https://mineiros.io/github-as-code.

About Mineiros

Mineiros is a remote-first company headquartered in Berlin, Germany that solves development, automation and security challenges in cloud infrastructure.

Our vision is to massively reduce time and overhead for teams to manage and deploy production-grade and secure cloud infrastructure.

We offer commercial support for all of our modules and encourage you to reach out if you have any questions or need help. Feel free to email us at [email protected] or join our Community Slack channel.

Reporting Issues

We use GitHub Issues to track community reported issues and missing features.

Contributing

Contributions are always encouraged and welcome! For the process of accepting changes, we use Pull Requests. If you'd like more information, please see our Contribution Guidelines.

Makefile Targets

This repository comes with a handy Makefile. Run make help to see details on each available target.

License

This module is licensed under the Apache License Version 2.0, January 2004. Please see LICENSE for full details.

Name		Name	Last commit message	Last commit date
Latest commit History 309 Commits
.github		.github
examples		examples
test		test
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
CHANGELOG.md		CHANGELOG.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
README.tfdoc.hcl		README.tfdoc.hcl
go.mod		go.mod
go.sum		go.sum
main.tf		main.tf
outputs.tf		outputs.tf
secrets.tf		secrets.tf
variables.tf		variables.tf
versions.tf		versions.tf

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Issue Labels Configuration

Projects Configuration

Webhooks Configuration

Secrets Configuration

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Issue Labels Configuration

Projects Configuration

Webhooks Configuration

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