# File lib/aws/core/credential_providers.rb, line 246
        def get_credentials
          credentials = {}
          if File.exist?(credential_file) && File.readable?(credential_file)
            File.open(credential_file, 'r') do |fh|
              fh.each_line do |line|
                key, val = line.strip.split(%r(\s*=\s*))
                if key && val && CREDENTIAL_FILE_KEY_MAP[key] && KEYS.include?(CREDENTIAL_FILE_KEY_MAP[key])
                  credentials[CREDENTIAL_FILE_KEY_MAP[key]] = val
                end
              end
              fh.close
            end
          end
          credentials
        end