Class: CfDeployer::Driver::Route53

Inherits:
Object
  • Object
show all
Defined in:
lib/cf_deployer/driver/route53_driver.rb

Instance Method Summary collapse

Constructor Details

#initialize(aws_route53 = nil) ⇒ Route53

Returns a new instance of Route53.



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# File 'lib/cf_deployer/driver/route53_driver.rb', line 4

def initialize(aws_route53 = nil)
  @aws_route53 = aws_route53 || AWS::Route53.new
end

Instance Method Details

#find_alias_target(target_zone_name, target_host_name) ⇒ Object

Raises:



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# File 'lib/cf_deployer/driver/route53_driver.rb', line 8

def find_alias_target(target_zone_name, target_host_name)
  target_zone = @aws_route53.hosted_zones.find { |z| z.name == trailing_dot(target_zone_name.downcase) }
  raise ApplicationError.new('Target zone not found!') if target_zone.nil?

  target_host = target_zone.resource_record_sets.find { |r| r.name == trailing_dot(target_host_name.downcase) }
  return nil if target_host.nil? || target_host.alias_target.nil?

  remove_trailing_dot(target_host.alias_target[:dns_name])
end

#set_alias_target(target_zone_name, target_host_name, elb_hosted_zone_id, elb_dnsname) ⇒ Object

Raises:



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# File 'lib/cf_deployer/driver/route53_driver.rb', line 18

def set_alias_target(target_zone_name, target_host_name, elb_hosted_zone_id, elb_dnsname)
  Log.info "set alias target --Hosted Zone: #{target_zone_name} --Host Name: #{target_host_name} --ELB DNS Name: #{elb_dnsname} --ELB Zone ID: #{elb_hosted_zone_id}"
  target_zone_name = trailing_dot(target_zone_name)
  target_host_name = trailing_dot(target_host_name)
  target_zone = @aws_route53.hosted_zones.find { |z| z.name == target_zone_name }
  raise ApplicationError.new('Target zone not found!') if target_zone.nil?

  change = {
    action: "UPSERT",
    resource_record_set: {
      name: target_host_name,
      type: "A",
      alias_target: {
        dns_name: elb_dnsname,
        hosted_zone_id: elb_hosted_zone_id,
        evaluate_target_health: false
      }
    }
  }

  batch = {
    hosted_zone_id: target_zone.path,
    change_batch: {
      changes: [change]
    }
  }

  CfDeployer::Driver::DryRun.guard "Skipping Route53 DNS update" do
    change_resource_record_sets_with_retry(batch)
  end
end