#
# Sets up glance users, service and endpoint
#
# == Parameters:
#
#  $auth_name :: identifier used for all keystone objects related to glance.
#    Optional. Defaults to glance.
#  $password :: password for glance user. Optional. Defaults to glance_password.
#  $configure_user :: Whether to configure a service user. Optional. Defaults to true.
#  $configure_user_role :: Whether to configure the admin role for the service user.
#    Optional. Defaults to true.
#  $service_name :: name of the service. Optional. Defaults to value of auth_name.
#  $service_type :: type of service to create. Optional. Defaults to image.
#  $public_address :: Public address for endpoint. Optional. Defaults to 127.0.0.1.
#  $admin_address :: Admin address for endpoint. Optional. Defaults to 127.0.0.1.
#  $inernal_address :: Internal address for endpoint. Optional. Defaults to 127.0.0.1.
#  $port :: Port for endpoint. Needs to match glance api service port. Optional.
#    Defaults to 9292.
#  $region :: Region where endpoint is set.
#  $public_protocol :: Protocol for public endpoint. Optional. Defaults to http.
#  $admin_protocol :: Protocol for admin endpoint. Optional. Defaults to http.
#  $internal_protocol :: Protocol for internal endpoint. Optional. Defaults to http.
#
class glance::keystone::auth(
  $password,
  $email               = 'glance@localhost',
  $auth_name           = 'glance',
  $configure_endpoint  = true,
  $configure_user      = true,
  $configure_user_role = true,
  $service_name        = undef,
  $service_type        = 'image',
  $public_address      = '127.0.0.1',
  $admin_address       = '127.0.0.1',
  $internal_address    = '127.0.0.1',
  $port                = '9292',
  $region              = 'RegionOne',
  $tenant              = 'services',
  $public_protocol     = 'http',
  $admin_protocol      = 'http',
  $internal_protocol   = 'http'
) {

  if $service_name == undef {
    $real_service_name = $auth_name
  } else {
    $real_service_name = $service_name
  }

  if $configure_endpoint {
    Keystone_endpoint["${region}/${real_service_name}"]  ~> Service <| name == 'glance-api' |>
  }

  if $configure_user {
    keystone_user { $auth_name:
      ensure   => present,
      password => $password,
      email    => $email,
      tenant   => $tenant,
    }
  }

  if $configure_user_role {
    Keystone_user_role["${auth_name}@${tenant}"] ~> Service <| name == 'glance-registry' |>
    Keystone_user_role["${auth_name}@${tenant}"] ~> Service <| name == 'glance-api' |>

    keystone_user_role { "${auth_name}@${tenant}":
      ensure => present,
      roles  => 'admin',
    }
  }

  keystone_service { $real_service_name:
    ensure      => present,
    type        => $service_type,
    description => 'Openstack Image Service',
  }

  if $configure_endpoint {
    keystone_endpoint { "${region}/${real_service_name}":
      ensure       => present,
      public_url   => "${public_protocol}://${public_address}:${port}",
      admin_url    => "${admin_protocol}://${admin_address}:${port}",
      internal_url => "${internal_protocol}://${internal_address}:${port}",
    }
  }
}