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path: root/app/models/backends/terraform_aws.rb
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# == Schema Information
#
# Table name: terraform_aws_backends
#
#  id                    :integer          not null, primary key
#  label                 :string
#  aws_region            :string
#  aws_access_key_id     :string
#  aws_secret_access_key :string
#  created_at            :datetime         not null
#  updated_at            :datetime         not null
#

class Backends::TerraformAws < ApplicationRecord
  has_many :mini_environments, as: :backend

  self.table_name = "terraform_aws_backends"

  def self.label
    "Amazon Web Services"
  end

  def type_and_id
    "#{self.class.name}=#{id}"
  end

  def build(mini_environment)
    GovukGuix::GenerateStartCommandJob.enqueue(
      mini_environment.id
    )
  end
  
  def start
    logger.info "Setting up #{@mini_environment.name}"

    Dir.chdir("tmp/terraform-working-directories/#{@mini_environment.name}") do # TODO
      RubyTerraform.init(
        backend: true,
        source: "terraform/aws", # TODO
        backend_config: {
          address: 'http://localhost:3000' + Rails.application.routes.url_helpers.terraform_http_backend_path
        },
        plugin_dir: "/gnu/store/x0b54k4i02vi05ghc0np7cqs2p5q6i31-profile/bin"
      )

      RubyTerraform.apply(
        vars: {
          aws_region: 'eu-west-1',
          slug: @mini_environment.name.parameterize,
          ssh_public_key: ssh_public_key,
          start_command: @mini_environment.start_command
        },
        auto_approve: true
      )
    end
  end

  def destroy
    Dir.chdir('terraform/aws') do
      RubyTerraform.destroy(
        vars: {
          aws_region: 'eu-west-1',
          slug: @mini_environment.name.parameterize,
          ssh_public_key: ssh_public_key,
          start_command: @mini_environment.start_command
        },
        force: true
      )
    end
  end

  def ssh_public_key
    File.open("#{ENV['HOME']}/.ssh/id_rsa.pub") do |file|
      file.readline()
    end
  end
end