Class: Stacco::Template::Base

Inherits:
Stacco::Template show all
Defined in:
lib/stacco/template/base.rb

Constant Summary

Constants inherited from Stacco::Template

AttachmentTypes

Instance Method Summary collapse

Methods inherited from Stacco::Template

#attach, #export_for_json, #mapping, #parameter, #render, #resource, #to_json, #udscript

Constructor Details

#initialize ⇒ Base

Returns a new instance of Base.



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# File 'lib/stacco/template/base.rb', line 26

def initialize
  super

  mapping [:ec2, :AMIsByRegion], ubuntu_daily_ami_map('trusty', :amd64)
  mapping [:cloud_front, :hosted_zones_by_region], cloudfront_hosted_zone_map

  parameter StackVar[:domain], :string,
    min_length: 5,
    max_length: 256

  parameter StackVar[:environment], :string,
    allowed_values: [:production, :staging, :development]

  parameter StackVar[:hosted_zone], :string,
    min_length: 13,
    max_length: 16,
    allowed_pattern: /[A-Z0-9]+/

  parameter StackVar[:keypair], :string,
    min_length: 1,
    max_length: 256,
    allowed_pattern: /[-a-z0-9]+/

  parameter Var[:ec2, :common_user_data], :string

  vpc = resource Type[:ec2, :vpc],
    cidr_block: '10.100.0.0/16',
    instance_tenancy: 'default',
    enable_dns_support: true,
    enable_dns_hostnames: true

  internet_gateway = resource Type[:ec2, :internet_gateway]

  dhcp_options = resource Type[:ec2, :dhcp_options],
    domain_name: StackVar[:domain],
    domain_name_servers: [:amazon_provided_dns]

  attach vpc, internet_gateway
  attach vpc, dhcp_options
end

Instance Method Details

#cloudfront_hosted_zone_map ⇒ Object 



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# File 'lib/stacco/template/base.rb', line 4

def cloudfront_hosted_zone_map
  {"us-west-2" => {"HostedZoneId" => "Z2FDTNDATAQYW2"}}
end

#ubuntu_daily_ami_map(want_release, *args) ⇒ Object 



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# File 'lib/stacco/template/base.rb', line 8

def ubuntu_daily_ami_map(want_release, *args)
  wants = [args.include?(:amd64), args.include?(:hvm), args.include?(:instance_store)]
  ami_map = {}

  doc = Nokogiri::XML.parse(open("https://cloud-images.ubuntu.com/rss/#{want_release}-Daily.xml"))
  Nokogiri::HTML.parse(doc.xpath("//item").sort_by{ |it| Time.strptime(it.css("pubDate").text, "%a, %b %d %H:%M:%S %Z %Y") }.last.css('description').children[0].text).xpath('//p')[1].children.find_all{ |el| el.text? }[1..-1].each do |ln|
    region, ami, arch, storage = ln.text.strip.split("\t")
    is_hvm = storage.include?("hvm")
    is_instance_store = storage.include?("instance")
    is_sixtyfourbit = (arch == 'amd64')
    next unless [is_sixtyfourbit, is_hvm, is_instance_store] == wants

    ami_map[region] = {"AMI" => ami}
  end

  ami_map
end