Contents

module Terraforming::Resource
  class EC2
    include Terraforming::Util

    def self.tf(client = Aws::EC2::Client.new)
      self.new(client).tf
    end

    def self.tfstate(client = Aws::EC2::Client.new)
      self.new(client).tfstate
    end

    def initialize(client)
      @client = client
    end

    def tf
      apply_template(@client, "tf/ec2")
    end

    def tfstate
      resources = instances.inject({}) do |result, instance|
        attributes = {
          "ami"=> instance.image_id,
          "associate_public_ip_address"=> "true",
          "availability_zone"=> instance.placement.availability_zone,
          "ebs_block_device.#"=> instance.block_device_mappings.length.to_s,
          "ebs_optimized"=> instance.ebs_optimized.to_s,
          "ephemeral_block_device.#"=> "0",
          "id"=> instance.instance_id,
          "instance_type"=> instance.instance_type,
          "private_dns"=> instance.private_dns_name,
          "private_ip"=> instance.private_ip_address,
          "public_dns"=> instance.public_dns_name,
          "public_ip"=> instance.public_ip_address,
          "root_block_device.#"=> instance.root_device_name ? "1" : "0",
          "security_groups.#"=> instance.security_groups.length.to_s,
          "source_dest_check"=> instance.source_dest_check.to_s,
          "subnet_id"=> instance.subnet_id,
          "tenancy"=> instance.placement.tenancy
        }
        result["aws_instance.#{module_name_of(instance)}"] = {
          "type" => "aws_instance",
          "primary" => {
            "id" => instance.instance_id,
            "attributes" => attributes,
            "meta" => {
              "schema_version" => "1"
            }
          }
        }

        result
      end

      generate_tfstate(resources)
    end

    private

    def instances
      @client.describe_instances.reservations.map(&:instances).flatten
    end

    def module_name_of(instance)
      normalize_module_name(name_from_tag(instance, instance.instance_id))
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
terraforming-0.0.1	lib/terraforming/resource/ec2.rb