cloud-platform-terraform-ecr-credentials

This Terraform module will create an Amazon Elastic Container Registry private repository for use on the Cloud Platform.

If you're using GitHub as your OIDC provider, this module will automatically create the required variables for authentication in your GitHub repository. By default these will be created as repository secrets and variables. Alternatively, you can configure the module to instead create the ECR secrets and variables in your own defined GitHub Environments with the github_environments field. This pattern is useful if you wish to define separate ECR repositories for different Cloud Platform environments within the same GitHub repository.

If you're using CircleCI as your OIDC provider, this module will create a Kubernetes ConfigMap in your namespace with your authentication variables to use as environment variables in CircleCI.

This module only supports authentication with GitHub Actions and CircleCI.

Usage

module "container_repository" {
  source = "github.com/ministryofjustice/cloud-platform-terraform-ecr-credentials?ref=version" # use the latest release

  # Repository configuration
  repo_name = var.namespace

  # OpenID Connect configuration
  oidc_providers      = ["github"]
  github_repositories = ["example-repository"]

  # Tags
  business_unit          = var.business_unit
  application            = var.application
  is_production          = var.is_production
  team_name              = var.team_name # also used for naming the container repository
  namespace              = var.namespace # also used for creating a Kubernetes ConfigMap
  environment_name       = var.environment
  infrastructure_support = var.infrastructure_support
}

See the examples/ folder for more information.

Requirements

Name	Version
terraform	>= 1.2.5
aws	>= 4.0.0
github	>= 5.0.0
kubernetes	>= 2.0.0
random	>= 3.0.0

Providers

Name	Version
aws	>= 4.0.0
github	>= 5.0.0
kubernetes	>= 2.0.0
random	>= 3.0.0

Modules

No modules.

Resources

Name	Type
aws_ecr_lifecycle_policy.canned	resource
aws_ecr_lifecycle_policy.lifecycle_policy	resource
aws_ecr_repository.repo	resource
aws_iam_policy.ecr	resource
aws_iam_policy.irsa	resource
aws_iam_role.circleci	resource
aws_iam_role.github	resource
aws_iam_role_policy_attachment.circleci_ecr	resource
aws_iam_role_policy_attachment.github_ecr	resource
github_actions_environment_secret.ecr_role_to_assume	resource
github_actions_environment_variable.ecr_region	resource
github_actions_environment_variable.ecr_repository	resource
github_actions_secret.ecr_role_to_assume	resource
github_actions_variable.ecr_region	resource
github_actions_variable.ecr_repository	resource
kubernetes_config_map_v1.circleci_oidc	resource
random_id.oidc	resource
aws_caller_identity.current	data source
aws_iam_openid_connect_provider.circleci	data source
aws_iam_openid_connect_provider.github	data source
aws_iam_policy_document.base	data source
aws_iam_policy_document.circleci	data source
aws_iam_policy_document.github	data source
aws_iam_policy_document.irsa	data source
aws_region.current	data source
aws_secretsmanager_secret.circleci	data source
aws_secretsmanager_secret_version.circleci	data source

Inputs

Name	Description	Type	Default	Required
application	Application name	`string`	n/a	yes
business_unit	Area of the MOJ responsible for the service	`string`	n/a	yes
canned_lifecycle_policy	A canned lifecycle policy to remove tagged or untagged images	`map(any)`	`null`	no
deletion_protection	(Optional) Whether the ECR should have deletion protection enabled for non-empty registry. Set this to false if you intend to delete your ECR resource or namespace. NOTE: PR owner has responsibility to ensure that no other environments are sharing this ECR. Defaults to true.	`bool`	`true`	no
environment_name	Environment name	`string`	n/a	yes
github_actions_prefix	String prefix for GitHub Actions variable and secrets key	`string`	`""`	no
github_environments	GitHub environment in which to create github actions secrets	`list(string)`	`[]`	no
github_repositories	GitHub repositories in which to create github actions secrets	`list(string)`	`[]`	no
infrastructure_support	The team responsible for managing the infrastructure. Should be of the form ()	`string`	n/a	yes
is_production	Whether this is used for production or not	`string`	n/a	yes
lifecycle_policy	A lifecycle policy consists of one or more rules that determine which images in a repository should be expired.	`string`	`null`	no
namespace	Namespace name	`string`	n/a	yes
oidc_providers	OIDC providers for this ECR repository, valid values are "github" or "circleci"	`list(string)`	`[]`	no
repo_name	Name of the repository to be created	`string`	n/a	yes
team_name	Team name	`string`	n/a	yes

Outputs

Name	Description
irsa_policy_arn	IAM policy ARN for access to the container repository
repo_arn	ECR repository ARN
repo_url	ECR repository URL

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