module Fog::ServicesMixin

Public Instance Methods

[](provider) click to toggle source
# File lib/fog/core/services_mixin.rb, line 3
def [](provider)
  new(:provider => provider)
end
new(attributes) click to toggle source
# File lib/fog/core/services_mixin.rb, line 7
def new(attributes)
  attributes    = attributes.dup # Prevent delete from having side effects
  provider      = attributes.delete(:provider).to_s.downcase.to_sym
  provider_name = Fog.providers[provider]

  raise ArgumentError, "#{provider} is not a recognized provider" unless providers.include?(provider)

  require_service_provider_library(service_name.downcase, provider)
  spc = service_provider_constant(service_name, provider_name)
  spc.new(attributes)
rescue LoadError, NameError  # Only rescue errors in finding the libraries, allow connection errors through to the caller
  raise Fog::Service::NotFound, "#{provider} has no #{service_name.downcase} service"
end
providers() click to toggle source
# File lib/fog/core/services_mixin.rb, line 21
def providers
  Fog.services[service_name.downcase.to_sym] || []
end

Private Instance Methods

const_get_args(*args) click to toggle source
# File lib/fog/core/services_mixin.rb, line 39
def const_get_args(*args)
  args + [false]
end
require_service_provider_library(service, provider) click to toggle source
# File lib/fog/core/services_mixin.rb, line 27
def require_service_provider_library(service, provider)
  require "fog/#{provider}/#{service}"
rescue LoadError  # Try to require the service provider in an alternate location
  require "fog/#{service}/#{provider}"
end
service_name() click to toggle source
# File lib/fog/core/services_mixin.rb, line 43
def service_name
  name.split("Fog::").last
end
service_provider_constant(service_name, provider_name) click to toggle source
# File lib/fog/core/services_mixin.rb, line 33
def service_provider_constant(service_name, provider_name)
  Fog.const_get(service_name).const_get(*const_get_args(provider_name))
rescue NameError  # Try to find the constant from in an alternate location
  Fog.const_get(provider_name).const_get(*const_get_args(service_name))
end