terraform-aws-cloudfront-s3-cdn

Terraform module to provision an AWS CloudFront CDN with an S3 origin.

This project is part of our comprehensive "SweetOps" approach towards DevOps.

It's 100% Open Source and licensed under the APACHE2.

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

Security & Compliance

Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.

Benchmark	Description
	Infrastructure Security Compliance
	Center for Internet Security, KUBERNETES Compliance
	Center for Internet Security, AWS Compliance
	Center for Internet Security, AZURE Compliance
	Payment Card Industry Data Security Standards Compliance
	National Institute of Standards and Technology Compliance
	Information Security Management System, ISO/IEC 27001 Compliance
	Service Organization Control 2 Compliance
	Center for Internet Security, GCP Compliance
	Health Insurance Portability and Accountability Compliance

Usage

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.

Also, because of a bug in the Terraform registry (hashicorp/terraform#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.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

module "cdn" {
  source = "cloudposse/cloudfront-s3-cdn/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"
  namespace         = "eg"
  stage             = "prod"
  name              = "app"
  aliases           = ["assets.cloudposse.com"]
  dns_alias_enabled = true
  parent_zone_name  = "cloudposse.com"
}

Generating ACM Certificate

Use the AWS cli to request new ACM certifiates (requires email validation)

aws acm request-certificate --domain-name example.com --subject-alternative-names a.example.com b.example.com *.c.example.com

NOTE:

Although AWS Certificate Manager is supported in many AWS regions, to use an SSL certificate with CloudFront, it should be requested only in US East (N. Virginia) region.

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/cnames-and-https-requirements.html

If you want to require HTTPS between viewers and CloudFront, you must change the AWS region to US East (N. Virginia) in the AWS Certificate Manager console before you request or import a certificate.

https://docs.aws.amazon.com/acm/latest/userguide/acm-regions.html

To use an ACM Certificate with Amazon CloudFront, you must request or import the certificate in the US East (N. Virginia) region. ACM Certificates in this region that are associated with a CloudFront distribution are distributed to all the geographic locations configured for that distribution.

This is a fundamental requirement of CloudFront, and you will need to request the certificate in us-east-1 region.

If there are warnings around the outputs when destroying using this module. Then you can use this method for supressing the superfluous errors. TF_WARN_OUTPUT_ERRORS=1 terraform destroy

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Providers

Modules

Resources

Inputs

[
  "DELETE",
  "GET",
  "HEAD",
  "OPTIONS",
  "PATCH",
  "POST",
  "PUT"
]

[
  "GET",
  "HEAD"
]

{
  "additional_tag_map": {},
  "attributes": [],
  "delimiter": null,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {}
}

[
  "*"
]

[
  "GET"
]

[
  "ETag"
]

list(object({
    error_caching_min_ttl = string
    error_code            = string
    response_code         = string
    response_page_path    = string
  }))

list(object({
    domain_name = string
    origin_id   = string
    origin_path = string
    custom_headers = list(object({
      name  = string
      value = string
    }))
    custom_origin_config = object({
      http_port                = number
      https_port               = number
      origin_protocol_policy   = string
      origin_ssl_protocols     = list(string)
      origin_keepalive_timeout = number
      origin_read_timeout      = number
    })
  }))

[
  "logs"
]

[
  "origin"
]

[
  "Access-Control-Request-Headers",
  "Access-Control-Request-Method",
  "Origin"
]

list(object({
    event_type   = string
    include_body = bool
    lambda_arn   = string
  }))

list(object({
    target_origin_id = string
    path_pattern     = string

    allowed_methods = list(string)
    cached_methods  = list(string)
    compress        = bool

    viewer_protocol_policy = string
    min_ttl                = number
    default_ttl            = number
    max_ttl                = number

    forward_query_string  = bool
    forward_header_values = list(string)
    forward_cookies       = string

    lambda_function_association = list(object({
      event_type   = string
      include_body = bool
      lambda_arn   = string
    }))
  }))

[
  "TLSv1",
  "TLSv1.1",
  "TLSv1.2"
]

Outputs

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Related Projects

Check out these related projects.

• terraform-aws-cloudfront-cdn - Terraform Module that implements a CloudFront Distribution (CDN) for a custom origin.
• terraform-aws-s3-log-storage - S3 bucket with built in IAM policy to allow CloudTrail logs

Help

Got a question? We got answers.

File a GitHub issue, send us an email or join our Slack Community.

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Contributing

Bug Reports & Feature Requests

Please use the issue tracker to report any bugs or file feature requests.

Developing

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Copyright

Copyright © 2017-2021 Cloud Posse, LLC

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.

About

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Contributors

Erik Osterman	Andriy Knysh	Jamie Nelson	Clive Zagno	David Mattia