docs: def restart(self):
          """
          Performs a soft reload of the HAProxy process.
          """
          version = self.get_version()
  
          command = [
              "haproxy",
              "-f", self.config_file_path, "-p", self.pid_file_path
          ]
          if version and version >= (1, 5, 0):
              command.extend(["-L", self.peer.name])
          if os.path.exists(self.pid_file_path):
              with open(self.pid_file_path) as fd:
                  command.extend(["-sf", fd.read().replace("\n", "")])
  
          try:
              output = subprocess.check_output(command)
          except subprocess.CalledProcessError as e:
              logger.error("Failed to restart HAProxy: %s", str(e))
              return
  
          if output:
              logging.error("haproxy says: %s", output)
  
          logger.info("Gracefully restarted HAProxy.")