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feat: Added public ecr and updated variables
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@h1manshu98
h1manshu98 committed Aug 10, 2023
1 parent f14897d commit 51b7e0b
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37 changes: 27 additions & 10 deletions _example/example.tf
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Original file line number Diff line number Diff line change
@@ -1,17 +1,34 @@
provider "aws" {
region = "eu-west-2"
region = "us-east-1"
}

module "private_ecr" {
source = "./../"

enable_private_ecr = true
name = "private-ecr"
environment = "test"
label_order = ["environment", "name"]
scan_on_push = true
max_image_count = 7
image_tag_mutability = "IMMUTABLE"
encryption_type = "KMS"
}

module "ecr" {
module "public_ecr" {
source = "./../"

name = "ecr"
environment = "test"
label_order = ["environment", "name"]
scan_on_push = true
max_image_count = 7
image_tag_mutability = "IMMUTABLE"
image_scanning_configuration = {}
enable_public_ecr = true
name = "public-ecr"
environment = "test"
label_order = ["environment", "name"]

}
max_untagged_image_count = 1
max_image_count = 7

public_repository_catalog_data = {
description = "Docker container for some things"
operating_systems = ["Linux"]
architectures = ["x86"]
}
}
42 changes: 34 additions & 8 deletions _example/outputs.tf
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Original file line number Diff line number Diff line change
@@ -1,19 +1,45 @@
output "arn" {
value = module.ecr.*.arn
########################################################################
# Private ECR
########################################################################
output "private_ecr_arn" {
value = module.private_ecr.*.arn
description = "Registry name."
}

output "tags" {
value = module.ecr.tags
output "private_ecr_tags" {
value = module.private_ecr.tags
description = "A mapping of tags to assign to the alb."
}

output "registry_id" {
value = module.ecr.registry_id
output "private_ecr_registry_id" {
value = module.private_ecr.registry_id
description = "The registry ID where the repository was created."
}

output "registry_url" {
value = module.ecr.registry_url
output "private_ecr_registry_url" {
value = module.private_ecr.registry_url
description = "The URL of the repository (in the form."
}

########################################################################
# Public ECR
########################################################################
output "public_ecr_arn" {
value = module.public_ecr.*.arn
description = "Registry name."
}

output "public_ecr_tags" {
value = module.public_ecr.tags
description = "A mapping of tags to assign to the alb."
}

output "public_ecr_registry_id" {
value = module.public_ecr.registry_id
description = "The registry ID where the repository was created."
}

output "public_ecr_registry_url" {
value = module.public_ecr.registry_url
description = "The URL of the repository (in the form."
}
175 changes: 129 additions & 46 deletions main.tf
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
## Managed By : CloudDrove
## Description : This Script is used to create Aws ECR repository and policy.
## Description : This Script is used to create AWS Public and Private ECR repository and corressponding IAM Policy.
## Copyright @ CloudDrove. All Right Reserved.

locals {
Expand All @@ -21,30 +21,34 @@ module "labels" {
environment = var.environment
managedby = var.managedby
label_order = var.label_order
attributes = var.attributes
delimiter = var.delimiter
extra_tags = var.tags
}

# Module : ECR REPOSITORY
# Description : Provides an Elastic Container Registry Repository.
#tfsec:ignore:aws-ecr-enable-image-scans

################################################################################
# Private Repository
################################################################################
resource "aws_ecr_repository" "default" {
count = var.enabled_ecr ? 1 : 0
name = module.labels.id
count = var.enable_private_ecr ? 1 : 0
name = var.use_fullname != "" ? var.use_fullname : module.labels.id
tags = module.labels.tags
image_tag_mutability = var.image_tag_mutability
force_delete = var.repository_force_delete

dynamic "encryption_configuration" {
for_each = var.encryption_configuration != null ? [var.encryption_configuration] : []
content {
encryption_type = lookup(encryption_configuration.value.encryption_type, null)
kms_key = lookup(encryption_configuration.value.kms_key, null)
}
encryption_configuration {
encryption_type = var.encryption_type
kms_key = var.kms_key
}
dynamic "image_scanning_configuration" {
for_each = var.image_scanning_configuration
content {
scan_on_push = lookup(image_scanning_configuration.value.scan_on_push, null)
}

image_scanning_configuration {
scan_on_push = var.scan_on_push
}

dynamic "timeouts" {
for_each = var.timeouts
content {
Expand All @@ -53,8 +57,8 @@ resource "aws_ecr_repository" "default" {
}
}

resource "aws_ecr_lifecycle_policy" "default" {
count = var.enabled_ecr ? 1 : 0
resource "aws_ecr_lifecycle_policy" "private" {
count = var.enable_private_ecr ? 1 : 0
repository = join("", aws_ecr_repository.default.*.name)

policy = <<EOF
Expand All @@ -66,7 +70,7 @@ resource "aws_ecr_lifecycle_policy" "default" {
"selection": {
"tagStatus": "untagged",
"countType": "imageCountMoreThan",
"countNumber": 1
"countNumber": ${var.max_untagged_image_count}
},
"action": {
"type": "expire"
Expand All @@ -89,10 +93,33 @@ resource "aws_ecr_lifecycle_policy" "default" {
EOF
}

data "aws_iam_policy_document" "empty" {
################################################################################
# Public Repository
################################################################################
resource "aws_ecrpublic_repository" "default" {
count = var.enable_public_ecr ? 1 : 0

repository_name = var.use_fullname != "" ? var.use_fullname : module.labels.id

dynamic "catalog_data" {
for_each = length(var.public_repository_catalog_data) > 0 ? [var.public_repository_catalog_data] : []

content {
about_text = try(catalog_data.value.about_text, null)
architectures = try(catalog_data.value.architectures, null)
description = try(catalog_data.value.description, null)
logo_image_blob = try(catalog_data.value.logo_image_blob, null)
operating_systems = try(catalog_data.value.operating_systems, null)
usage_text = try(catalog_data.value.usage_text, null)
}
}
tags = module.labels.tags
}

data "aws_iam_policy_document" "resource_readonly_access" {
################################################################################
# Private ECR IAM Policies
################################################################################
data "aws_iam_policy_document" "resource_readonly_access_private" {
statement {
sid = "ReadonlyAccess"
effect = "Allow"
Expand All @@ -104,19 +131,29 @@ data "aws_iam_policy_document" "resource_readonly_access" {
}

actions = [
"ecr:GetAuthorizationToken",
"ecr:BatchCheckLayerAvailability",
"ecr:GetRegistryPolicy",
"ecr:DescribeImageScanFindings",
"ecr:GetLifecyclePolicyPreview",
"ecr:GetDownloadUrlForLayer",
"ecr:GetRepositoryPolicy",
"ecr:DescribeRepositories",
"ecr:DescribeRegistry",
"ecr:DescribePullThroughCacheRules",
"ecr:DescribeImageReplicationStatus",
"ecr:GetAuthorizationToken",
"ecr:ListTagsForResource",
"ecr:ListImages",
"ecr:DescribeImages",
"ecr:BatchGetRepositoryScanningConfiguration",
"ecr:GetRegistryScanningConfiguration",
"ecr:BatchGetImage",
"ecr:DescribeImages",
"ecr:DescribeRepositories",
"ecr:BatchCheckLayerAvailability",
"ecr:GetRepositoryPolicy",
"ecr:GetLifecyclePolicy",
]
}
}

data "aws_iam_policy_document" "resource_full_access" {
data "aws_iam_policy_document" "resource_full_access_private" {
statement {
sid = "FullAccess"
effect = "Allow"
Expand All @@ -128,32 +165,78 @@ data "aws_iam_policy_document" "resource_full_access" {
}

actions = [
"ecr:GetAuthorizationToken",
"ecr:InitiateLayerUpload",
"ecr:UploadLayerPart",
"ecr:CompleteLayerUpload",
"ecr:PutImage",
"ecr:BatchCheckLayerAvailability",
"ecr:GetDownloadUrlForLayer",
"ecr:GetRepositoryPolicy",
"ecr:DescribeRepositories",
"ecr:ListImages",
"ecr:DescribeImages",
"ecr:BatchGetImage",
"ecr:*"
]
}
}


data "aws_iam_policy_document" "resource" {
source_policy_documents = [local.principals_readonly_access_non_empty ? join("", data.aws_iam_policy_document.resource_readonly_access.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
override_policy_documents = [local.principals_full_access_non_empty ? join("", data.aws_iam_policy_document.resource_full_access.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
data "aws_iam_policy_document" "resource_private" {
source_policy_documents = [local.principals_readonly_access_non_empty ? join("", data.aws_iam_policy_document.resource_readonly_access_private.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
override_policy_documents = [local.principals_full_access_non_empty ? join("", data.aws_iam_policy_document.resource_full_access_private.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
}

# Module : ECR REPOSITORY
# Description : Provides an Elastic Container Registry Repository Policy.
resource "aws_ecr_repository_policy" "default" {
count = local.ecr_need_policy && var.enabled_ecr ? 1 : 0
resource "aws_ecr_repository_policy" "private" {
count = local.ecr_need_policy && var.enable_private_ecr ? 1 : 0
repository = join("", aws_ecr_repository.default.*.name)
policy = join("", data.aws_iam_policy_document.resource.*.json)
policy = join("", data.aws_iam_policy_document.resource_private.*.json)
}

################################################################################
# Public ECR IAM Policies
################################################################################
data "aws_iam_policy_document" "resource_readonly_access_public" {
statement {
sid = "ReadonlyAccess"
effect = "Allow"

principals {
type = "AWS"

identifiers = var.principals_readonly_access
}

actions = [
"ecr-public:DescribeImageTags",
"ecr-public:DescribeImages",
"ecr-public:DescribeRepositories",
"ecr-public:GetAuthorizationToken",
"ecr-public:DescribeRegistries",
"ecr-public:GetRepositoryCatalogData",
"ecr-public:GetRegistryCatalogData",
"ecr-public:ListTagsForResource",
"ecr-public:GetRepositoryPolicy",
"ecr-public:BatchCheckLayerAvailability",
]
}
}

data "aws_iam_policy_document" "resource_full_access_public" {
statement {
sid = "FullAccess"
effect = "Allow"

principals {
type = "AWS"

identifiers = var.principals_full_access
}

actions = [
"ecr-public:*"
]
}
}


data "aws_iam_policy_document" "resource_public" {
source_policy_documents = [local.principals_readonly_access_non_empty ? join("", data.aws_iam_policy_document.resource_readonly_access_public.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
override_policy_documents = [local.principals_full_access_non_empty ? join("", data.aws_iam_policy_document.resource_full_access_public.*.json) : join("", data.aws_iam_policy_document.empty.*.json)]
}

resource "aws_ecr_repository_policy" "public" {
count = local.ecr_need_policy && var.enable_public_ecr ? 1 : 0
repository = join("", aws_ecrpublic_repository.default.*.name)
policy = join("", data.aws_iam_policy_document.resource_public.*.json)
}

data "aws_iam_policy_document" "empty" {}
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