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Cfdef

Cfdef is a tool to manage CloudFront.

It defines the state of CloudFront using DSL, and updates CloudFront according to DSL.

Installation

Add this line to your application's Gemfile:

gem 'cfdef'

And then execute:

$ bundle

Or install it yourself as:

$ gem install cfdef

Usage

export AWS_ACCESS_KEY_ID='...'
export AWS_SECRET_ACCESS_KEY='...'
cfdef -e -o CFfile  # export CloudFront
vi CFfile
cfdef -a --dry-run
cfdef -a            # apply `CFfile`

Help

Usage: cfdef [options]
    -k, --access-key ACCESS_KEY
    -s, --secret-key SECRET_KEY
    -r, --region REGION
        --profile PROFILE
        --credentials-path PATH
    -a, --apply
    -f, --file FILE
        --dry-run
    -e, --export
    -o, --output FILE
        --split
        --target-origin ID_RGX
        --use-braces
        --no-color
        --debug

CFfile example

require 'other/cffile'

distribution "EXAMPLEID" do
  aliases do
    quantity 0
  end
  origins do
    quantity 2
    items do |*|
      id "Custom-ehxample.cpm"
      domain_name "example.cpm"
      origin_path ""
      custom_headers do
        quantity 0
      end
      custom_origin_config do
        http_port 80
        https_port 443
        origin_protocol_policy "http-only"
        origin_ssl_protocols do
          quantity 3
          items ["TLSv1", "TLSv1.1", "TLSv1.2"]
        end
      end
    end
    items do |*|
      id "S3-example"
      domain_name "example.s3.amazonaws.com"
      origin_path ""
      custom_headers do
        quantity 0
      end
      s3_origin_config do
        origin_access_identity ""
      end
    end
  end
  default_cache_behavior do
    target_origin_id "S3-example"
    forwarded_values do
      query_string false
      cookies do
        forward "none"
      end
      headers do
        quantity 0
      end
    end
    trusted_signers do
      enabled false
      quantity 0
    end
    viewer_protocol_policy "allow-all"
    min_ttl 0
    allowed_methods do
      quantity 2
      items ["GET", "HEAD"]
      cached_methods do
        quantity 2
        items ["GET", "HEAD"]
      end
    end
    smooth_streaming false
    default_ttl 86400
    max_ttl 31536000
    compress false
  end
  cache_behaviors do
    quantity 0
  end
  custom_error_responses do
    quantity 0
  end
  comment ""
  price_class "PriceClass_All"
  enabled true
  viewer_certificate do
    cloud_front_default_certificate true
    minimum_protocol_version "SSLv3"
    certificate_source "cloudfront"
  end
  restrictions do
    geo_restriction do
      restriction_type "none"
      quantity 0
    end
  end
  web_acl_id ""
end

Create Distribution

$ cat CFfile
distribution do # without ID
  ...
end

$ cfdef -a

Identify Distribution using Origin IDs if there is no Distribution ID.

Delete Distribution

$ cat CFfile
distribution "EXAMPLEID" do
  ...
  enable false
  ...
end

$ cfdef -a
...

$ cat CFfile
# comment out
#distribution "EXAMPLEID" do
#  ...
#end

$ cfdef -a

Use braces

Export with --use-braces option.

distribution("EXAMPLEID") {
  aliases {
    quantity 0
  }
  origins {
    quantity 1
    items {|*|
      id "Custom-example.com"
      domain_name "example.com"
      origin_path ""
      custom_headers {
        quantity 0
      }
      custom_origin_config {
        http_port 80
        https_port 443
        origin_protocol_policy "http-only"
        origin_ssl_protocols {
          quantity 3
          items ["TLSv1", "TLSv1.1", "TLSv1.2"]
        }
      }
    }
  }
  default_cache_behavior {
    target_origin_id "Custom-example.com"
    forwarded_values {
      query_string false
      cookies {
        forward "none"
      }
      headers {
        quantity 0
      }
    }
    trusted_signers {
      enabled false
      quantity 0
    }
    viewer_protocol_policy "allow-all"
    min_ttl 0
    allowed_methods {
      quantity 2
      items ["GET", "HEAD"]
      cached_methods {
        quantity 2
        items ["GET", "HEAD"]
      }
    }
    smooth_streaming false
    default_ttl 86400
    max_ttl 31536000
    compress false
  }
  cache_behaviors {
    quantity 0
  }
  custom_error_responses {
    quantity 0
  }
  comment ""
  price_class "PriceClass_All"
  enabled true
  viewer_certificate {
    cloud_front_default_certificate true
    minimum_protocol_version "SSLv3"
    certificate_source "cloudfront"
  }
  restrictions {
    geo_restriction {
      restriction_type "none"
      quantity 0
    }
  }
  web_acl_id ""
}

ToDo

  • Support Streaming Distribution

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Cfdef is a tool to manage CloudFront.

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