Class: Landrush::Action::RedirectDns

Inherits:
Object
  • Object
show all
Includes:
Common
Defined in:
lib/landrush/action/redirect_dns.rb

Constant Summary

Constants included from Common

Common::SUPPORTED_PROVIDERS

Instance Method Summary collapse

Methods included from Common

#config, #docker?, #enabled?, #guest_redirect_dns?, included, #info, #initialize, #libvirt?, #log, #machine, #machine_hostname, #parallels?, #provider, #read_machine_hostname, #virtualbox?, #vmware?

Instance Method Details

#_gateway_for_ip(ip) ⇒ Object

Poor man’s gateway; strip the last octet and jam a 1 on there.



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# File 'lib/landrush/action/redirect_dns.rb', line 37

def _gateway_for_ip(ip)
  ip.split('.').tap(&:pop).push(1).join('.')
end

#_target_host ⇒ Object 



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# File 'lib/landrush/action/redirect_dns.rb', line 22

def _target_host
  case provider
  when :virtualbox then
    '10.0.2.2'
  when :vmware_fusion, :libvirt then
    _gateway_for_ip(machine.guest.capability(:configured_dns_servers).first)
  when :parallels then
    machine.provider.capability(:host_address)
  else
    # As a fallthrough default use the first non loopback IP. This IP should be reachable from the guest as well
    Socket.ip_address_list.find { |ai| ai.ipv4? && !ai.ipv4_loopback? }.ip_address
  end
end

#call(env) ⇒ Object 



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# File 'lib/landrush/action/redirect_dns.rb', line 6

def call(env)
  app.call(env)

  # This is after the middleware stack returns, which, since we're right
  # before the Network action, should mean that all interfaces are good
  # to go.
  redirect_dns if enabled? && guest_redirect_dns?
end

#redirect_dns ⇒ Object 



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# File 'lib/landrush/action/redirect_dns.rb', line 15

def redirect_dns
  machine.guest.capability(:redirect_dns, host: _target_host, port: Server.port)
  machine.config.vm.networks.each do |type, options|
    info "network: #{type.inspect}, #{options.inspect}"
  end
end