def cluster_configurations
      path = paths["cluster_configurations"]

      file = begin
        File.new(path)
      rescue StandardError
        raise MissingClusterConfigurations.new(path)
      end

      require "yaml"
      require "erb"

      hash = YAML.load(ERB.new(file.read).result) || {}
      hash.with_indifferent_access
    rescue StandardError => e
      raise e, "Cannot load Cassandra cluster configurations:\n#{e.message}", e.backtrace
    end
def cluster_configurations
      path = paths["cluster_configurations"]

      file = begin
        File.new(path)
      rescue StandardError
        raise MissingClusterConfigurations.new(path)
      end

      require "yaml"
      require "erb"

      hash = YAML.load(ERB.new(file.read).result) || {}
      hash.with_indifferent_access
    rescue StandardError => e
      raise e, "Cannot load Cassandra cluster configurations:\n#{e.message}", e.backtrace
    end
Fetch cluster configurations
 from configuraiton file located at
 +paths["cluster_configurations"]+
 @return [Hash{String => Object}] Configuration loaded from yml file