require 'meroku/infrastructure/server'

module Meroku
  # Logic related to the infratructure that powers meroku
  module Infrastructure
    extend Meroku::Aws::Ec2

    def self.servers
      ec2_client.describe_instances(
        filters: [
          { name: 'tag:Name', values: ['node'] },
          { name: 'instance-state-name', values: %w[running pending] }
        ]
      ).reservations.map do |xx|
        Meroku::Infrastructure::Server.new(xx.instances.first.instance_id)
      end
    end

    def self.each_server
      servers.each { |s| yield s }
    end
  end
end