docs: def add_host(mac, name=None, ip=None, ddns=False, group=None,
          supersede_host=False):
      '''
      Add a host object for the given mac.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt dhcp-server omapi.add_host ab:ab:ab:ab:ab:ab name=host1
  
      Add ddns-hostname and a fixed-ip statements:
  
      .. code-block:: bash
  
          salt dhcp-server omapi.add_host ab:ab:ab:ab:ab:ab name=host1 ip=10.1.1.1 ddns=true
      '''
      statements = ''
      o = _conn()
      msg = omapi.OmapiMessage.open(b'host')
      msg.message.append((b'create', struct.pack(b'!I', 1)))
      msg.message.append((b'exclusive', struct.pack(b'!I', 1)))
      msg.obj.append((b'hardware-address', omapi.pack_mac(mac)))
      msg.obj.append((b'hardware-type', struct.pack(b'!I', 1)))
      if ip:
          msg.obj.append((b'ip-address', omapi.pack_ip(ip)))
      if name:
          msg.obj.append((b'name', salt.utils.stringutils.to_bytes(name)))
      if group:
          msg.obj.append((b'group', salt.utils.stringutils.to_bytes(group)))
      if supersede_host:
          statements += 'option host-name "{0}"; '.format(name)
      if ddns and name:
          statements += 'ddns-hostname "{0}"; '.format(name)
      if statements:
          msg.obj.append((b'statements', salt.utils.stringutils.to_bytes(statements)))
      response = o.query_server(msg)
      if response.opcode != omapi.OMAPI_OP_UPDATE:
          return False
      return True