Class: ProviderDSL::GoogleCloudProvider

Inherits:
Object
  • Object
show all
Defined in:
lib/provider_dsl/google_cloud_provider.rb

Overview

Manage a domain on Google Cloud

Constant Summary collapse

EXCLUDE = 
%w(SOA NS).freeze

Instance Method Summary collapse

Constructor Details

#initialize(project_name, key_filename, parameters = {}, &block) ⇒ GoogleCloudProvider

Returns a new instance of GoogleCloudProvider.



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# File 'lib/provider_dsl/google_cloud_provider.rb', line 21

def initialize(project_name, key_filename, parameters = {}, &block)
  session_factory = parameters[:session_factory] || GCloudSessionFactory.new
  @logger = Log.instance
  @logger.log("Processing Google Cloud project #{project_name}")
  @dns = session_factory.instance(project_name, key_filename, parameters).dns
  instance_eval(&block) if block_given?
end

Instance Method Details

#zone(domain_name, description, parameters = {}, &block) ⇒ Object 



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# File 'lib/provider_dsl/google_cloud_provider.rb', line 29

def zone(domain_name, description, parameters = {}, &block)
  zone_name = domain_name.tr('.', '-')
  zone_style_domain_name = "#{domain_name}."
  domain_name_regex = Regexp.quote(zone_style_domain_name)
  @logger.log("Zone: #{zone_name} for domain #{domain_name}")
  if @dns.zones.select { |zone| zone.name == zone_name }.count.zero?
    gcloud_zone = nil
    zone = Zone.new([], parameters)
  else
    gcloud_zone = @dns.zone(zone_name)
    records = gcloud_zone.records
    records = records.map do |record|
      unless record.name =~ /^(|([a-zA-Z0-9\-\.]+)\.)#{domain_name_regex}$/
        raise "Google Cloud returned invalid record name #{record.name}"
      end
      name = Regexp.last_match(1).empty? ? '@' : Regexp.last_match(2)
      data = record.data.map do |value|
        if %w(CNAME MX).include?(record.type)
          if value =~ /^((|[0-9]+ +)[a-zA-Z0-9\-\.]+)\.#{domain_name_regex}$/
            value = Regexp.last_match(1)
          end
        end
        value
      end
      EXCLUDE.include?(record.type) ? nil : Record.new(name, record.type, data, record.ttl)
    end
    zone = Zone.new(records.select { |record| record }, parameters)
  end
  zone.create(&block)
  if gcloud_zone.nil? || zone.changed?
    @logger.log("Zone records:\n#{zone.to_s('  ')}")
    unless gcloud_zone
      gcloud_zone = @dns.create_zone(zone_name, zone_style_domain_name, description: description)
      @logger.log("Created zone #{zone_name}")
    end
    deletions = []
    additions = []
    zone.removed_records.each do |record|
      # gcloud_zone.remove(record.name, record.type)
      deletions << dns_record(record, zone_style_domain_name)
      @logger.log("Removing #{record}")
    end
    zone.new_or_changed_records.each do |record|
      # gcloud_zone.replace(record.name, record.type, record.ttl, record.values)
      additions << dns_record(record, zone_style_domain_name)
      @logger.log("Creating or replacing #{record}")
    end
    gcloud_zone.update(additions, deletions)
  else
    @logger.log("Zone #{zone_name} is unchanged")
  end
end