# File lib/fog/bin/azure.rb, line 46
    def available?
      availability = true
      for service in services
        begin
          service = self.class_for(service)
          availability &&= service.requirements.all? { |requirement| Fog.credentials.include?(requirement) }
        rescue ArgumentError => e
          Fog::Logger.warning(e.message)
          availability = false
        rescue => e
          availability = false
        end
      end

      if availability
        for service in services
          for collection in self.class_for(service).collections
            unless self.respond_to?(collection)
              self.class_eval "def self.\#{collection}\nself[:\#{service}].\#{collection}\nend\n", __FILE__, __LINE__
            end
          end
        end
      end
      availability
    end