Carrierwave integration with Selectel using fog-openstack

carrierwave_selectel.rb

CarrierWave.configure do |config|
  if Rails.env.test? || Rails.env.cucumber?
    config.storage = :file
    config.enable_processing = false
  else
    config.asset_host   = Rails.application.secrets.asset_host
    config.fog_provider = 'fog/openstack'
    config.fog_credentials = {
      provider:           'OpenStack',
      openstack_auth_url: 'https://api.selcdn.ru/v3',
      # Create a new user with limited bucket access
      openstack_username: Rails.application.secrets.selectel[:username],
      # User password, not API key
      openstack_api_key:  Rails.application.secrets.selectel[:password],
    }
    # required
    config.fog_directory  = Rails.application.secrets.selectel_container
    # optional, defaults to true
    config.fog_public     = true
    # optional, defaults to {}
    config.fog_attributes = {
      cache_control: "public, max-age=#{365.days.to_i}"
    }
    config.storage = :fog
  end
end
# paramsv3 = {
#   openstack_auth_url: 'https://api.selcdn.ru/v3',
#   openstack_username: Rails.application.secrets.selectel[:username],
#   openstack_api_key:  Rails.application.secrets.selectel[:password],
# }
# paramsv2 = {
#   openstack_auth_url: 'https://api.selcdn.ru/v2.0',
#   openstack_username: Rails.application.secrets.selectel[:username],
#   openstack_api_key:  Rails.application.secrets.selectel[:password],
#   openstack_identity_api_version: 'v2.0'
# }
# service = Fog::OpenStack::Storage.new(paramsv2)