Class: Terrafying::Components::LetsEncrypt

Inherits:
Terrafying::Context
  • Object
show all
Includes:
CA
Defined in:
lib/terrafying/components/letsencrypt.rb

Constant Summary collapse

PROVIDERS = 
{
  staging: {
    api_url: 'https://acme-staging.api.letsencrypt.org/directory',
    ca_cert: 'https://letsencrypt.org/certs/fakeleintermediatex1.pem'
  },
  live:    {
    api_url: 'https://acme-v01.api.letsencrypt.org/directory',
    ca_cert: 'https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem.txt'
  }
}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from CA

#<=>, #create_keypair, #reference_keypair

Constructor Details

#initialize ⇒ LetsEncrypt

Returns a new instance of LetsEncrypt.



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# File 'lib/terrafying/components/letsencrypt.rb', line 30

def initialize()
  super
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/terrafying/components/letsencrypt.rb', line 11

def name
  @name
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/terrafying/components/letsencrypt.rb', line 11

def source
  @source
end

Class Method Details

.create(name, bucket, options = {}) ⇒ Object 



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# File 'lib/terrafying/components/letsencrypt.rb', line 26

def self.create(name, bucket, options={})
  LetsEncrypt.new.create name, bucket, options
end

Instance Method Details

#create(name, bucket, options = {}) ⇒ Object 



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# File 'lib/terrafying/components/letsencrypt.rb', line 34

def create(name, bucket, options={})
  options = {
    prefix: "",
    provider: :staging,
    email_address: "[email protected]",
    public_certificate: false,
  }.merge(options)

  @name = name
  @bucket = bucket
  @prefix = options[:prefix]
  @provider = PROVIDERS[options[:provider].to_sym]

  provider :acme, {}
  provider :tls, {}

  resource :tls_private_key, "#{@name}-account", {
             algorithm: "ECDSA",
             ecdsa_curve: "P384",
           }

  @account_key = output_of(:tls_private_key, "#{@name}-account", "private_key_pem")

  @registration_url = resource :acme_registration, "#{@name}-reg", {
                                 server_url: @provider[:server_url],
                                 account_key_pem: @account_key,
                                 email_address: options[:email_address],
                               }

  resource :aws_s3_bucket_object, "#{@name}-account", {
             bucket: @bucket,
             key: File.join(@prefix, @name, "account.key"),
             content: @account_key,
           }

  @ca_cert_acl = options[:public_certificate] ? 'public-read' : 'private'

  open(@provider[:ca_cert], 'rb') do |cert|
    resource :aws_s3_bucket_object, "#{@name}-cert", {
               bucket: @bucket,
               key: File.join(@prefix, @name, "ca.cert"),
               content: cert.read,
               acl: @ca_cert_acl
             }
  end

  @source = File.join("s3://", @bucket, @prefix, @name, "ca.cert")

  self
end

#create_keypair_in(ctx, name, options = {}) ⇒ Object 



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# File 'lib/terrafying/components/letsencrypt.rb', line 85

def create_keypair_in(ctx, name, options={})
  options = {
    common_name: name,
    organization: "uSwitch Limited",
    validity_in_hours: 24 * 365,
    allowed_uses: [
      "nonRepudiation",
      "digitalSignature",
      "keyEncipherment"
    ],
    dns_names: [],
    ip_addresses: [],
    min_days_remaining: 21,
  }.merge(options)

  key_ident = "#{@name}-#{tf_safe(name)}"

  ctx.resource :tls_private_key, key_ident, {
                 algorithm: "ECDSA",
                 ecdsa_curve: "P384",
               }

  ctx.resource :tls_cert_request, key_ident, {
                 key_algorithm: "ECDSA",
                 private_key_pem: output_of(:tls_private_key, key_ident, :private_key_pem),
                 subject: {
                   common_name: options[:common_name],
                   organization: options[:organization],
                 },
                 dns_names: options[:dns_names],
                 ip_addresses: options[:ip_addresses],
               }

  ctx.resource :acme_certificate, key_ident, {
                 server_url: @provider[:server_url],
                 account_key_pem: @account_key,
                 registration_url: @registration_url,
                 min_days_remaining: options[:min_days_remaining],
                 dns_challenge: {
                   provider: "route53",
                 },
                 certificate_request_pem: output_of(:tls_cert_request, key_ident, :cert_request_pem),
               }

  ctx.resource :aws_s3_bucket_object, "#{key_ident}-key", {
                 bucket: @bucket,
                 key: File.join(@prefix, @name, name, "key"),
                 content: output_of(:tls_private_key, key_ident, :private_key_pem),
               }

  ctx.resource :aws_s3_bucket_object, "#{key_ident}-cert", {
                 bucket: @bucket,
                 key: File.join(@prefix, @name, name, "cert"),
                 content: output_of(:acme_certificate, key_ident, :certificate_pem),
               }

  reference_keypair(ctx, name)
end