text: """
  Copyright (c) 2022 Huawei Technologies Co.,Ltd.
  
  openGauss is licensed under Mulan PSL v2.
  You can use this software according to the terms and conditions of the Mulan PSL v2.
  You may obtain a copy of Mulan PSL v2 at:
  
            http://license.coscl.org.cn/MulanPSL2
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  See the Mulan PSL v2 for more details.
  """
  """
  Case Type   : 系统内部使用工具
  Case Name   : 数据库集群状态为unavailable时进行减容，减容失败
  Description :
      1.下载解压数据库安装包
      2.配置xml文件
      3.创建用户并修改文件属性
      4.gs_preinstall预安装：
      ./gs_preinstall -U [初始用户] -G [初始用户组] -X [xml配置文件路径]
      --sep-env-file=[env文件路径] --skip-hostname-set --non-interactive
      5.gs_install安装数据库：
      gs_install -X [xml配置文件路径]
      6.停止数据库构造unavailable集群状态
      7.gs_dropnode进行减容：
      ./gs_dropnode -U {usrname} -G {grp_name} -h {hostname}
      8.清理环境
      gs_uninstall 删除数据库：gs_uninstall --delete-data
      清理用户下进程
      删除数据库相关目录并删除用户
  Expect      :
      1.下载解压成功
      2.配置成功
      3.用户创建成功且文件属性修改成功
      4.预安装成功
      5.数据库安装成功
      6.集群unavailable状态构造成功
      7.备机减容失败
      8.清理成功
  History     :
  """
  import os
  import re
  import unittest
  from testcase.utils.Common import Common
  from testcase.utils.Common import CommonSH
  from testcase.utils.Constant import Constant
  from testcase.utils.Logger import Logger
  from yat.test import Node
  from yat.test import macro
  primary_sh = CommonSH('PrimaryDbUser')
  Constant = Constant()
  
  
  @unittest.skipIf(3 != primary_sh.get_node_num(), '非1+2环境不执行')
  class Tools(unittest.TestCase):
      def setUp(self):
          self.log = Logger()
          self.common = Common()
          self.log.info(f'----{os.path.basename(__file__)} start----')
          self.primary_root_node = Node('PrimaryRoot')
          self.primary_node = Node('PrimaryDbUser')
          self.standby1_root_node = Node('Standby1Root')
          self.standby2_root_node = Node('Standby2Root')
          self.u_name = os.path.basename(__file__)[:-3].split('Tools_')[-1]
          self.pri_host = self.primary_node.db_host
          self.sta1_host = self.standby1_root_node.db_host
          self.sta2_host = self.standby2_root_node.db_host
          self.ssh_file = os.path.join('/home', self.u_name, 'hostfile')
          self.path = macro.DB_INSTANCE_PATH.split('/')[1]
          self.openGauss_path = os.path.join('/', f'{self.path}',
                                             f'{self.u_name}')
          self.package_path = os.path.join(self.openGauss_path, 'pkg')
          self.conf_path = os.path.join(self.openGauss_path, 'config')
          self.data_path = os.path.join(self.openGauss_path, 'cluster')
          self.xml_path = os.path.join(self.conf_path,
                                       'primary_standby1_standby2.xml')
          self.env_path = os.path.join(self.conf_path, 'env')
          self.script_path = os.path.join(self.package_path, 'script')
          self.instance_path = os.path.join(self.data_path, 'dn1')
          wget_result = self.primary_node.sh(f"wget {macro.FTP_PATH} "
                                             f"-c -t2 -T30").result()
          res = re.search(Constant.wget_connect_success_msg, wget_result)
          self.log.info(res)
          if not re.search(Constant.wget_connect_success_msg, wget_result):
              raise Exception('wget连接失败')
  
      def test_gs_dropnode(self):
          text = '----step1:下载解压数据库安装包 expect:下载解压成功----'
          self.log.info(text)
          self.common.check_load_msg(self.primary_root_node, self.primary_node,
                                     self.package_path, self.conf_path)
          text = '----查看主机名----'
          self.log.info(text)
          primary_node_name = self.primary_root_node.sh("uname -n").result()
          standby1_node_name = self.standby1_root_node.sh("uname -n").result()
          standby2_node_name = self.standby2_root_node.sh("uname -n").result()
          self.log.info(primary_node_name)
          self.log.info(standby1_node_name)
          self.log.info(standby2_node_name)
          self.assertIsNotNone(primary_node_name, '执行失败:' + text)
          self.assertIsNotNone(standby1_node_name, '执行失败:' + text)
          self.assertIsNotNone(standby2_node_name, '执行失败:' + text)
          text = '----查询系统未使用端口----'
          self.log.info(text)
          for count in range(5):
              port = self.common.get_not_used_port(self.primary_node)
              self.log.info(port)
              standby_port_check_cmd = f'netstat -tlnp | grep {port}'
              sta1_check_msg = self.standby1_root_node.sh(
                  standby_port_check_cmd).result()
              sta2_check_msg = self.standby2_root_node.sh(
                  standby_port_check_cmd).result()
              if not (sta1_check_msg or sta2_check_msg):
                  self.assertNotEqual(0, port, '执行失败:' + text)
                  break
              else:
                  continue
  
          text = '----step2:配置一主两备xml文件 expect:配置成功----'
          self.log.info(text)
          gaussdb_app_path = os.path.join(self.data_path, 'app')
          gaussdb_log_path = os.path.join(self.data_path, 'gaussdb_log')
          tmpmppdb_path = os.path.join(self.data_path, 'tmp')
          gaussdb_tool_path = os.path.join(self.data_path, 'tool')
          self.common.scp_file(self.primary_root_node,
                               'primary_standby1_standby2.xml',
                               self.conf_path)
          self.log.info('----配置一主两备xml----')
          xml_cmd = \
              f"sed -i " \
              f"'s#v_nodeNames#{primary_node_name}, {standby1_node_name}, " \
              f"{standby2_node_name}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_gaussdbAppPath#{gaussdb_app_path}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_gaussdbLogPath#{gaussdb_log_path}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_tmpMppdbPath#{tmpmppdb_path}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_gaussdbToolPath#{gaussdb_tool_path}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_corePath#{macro.DB_CORE_PATH}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_db_host#{self.pri_host}, {self.sta1_host}, " \
              f"{self.sta2_host}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_pri_nodeNames#{primary_node_name}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_pri_db_host#{self.pri_host}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_dataPortBase#{port}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_dataNode1#" \
              f"{self.instance_path}, {standby1_node_name}, " \
              f"{self.instance_path}, {standby2_node_name}, " \
              f"{self.instance_path}#g' {self.xml_path};" \
              f"sed -i 's#v_sta1_nodeNames#{standby1_node_name}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_sta1_db_host#{self.sta1_host}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_sta2_nodeNames#{standby2_node_name}#g' " \
              f"{self.xml_path};" \
              f"sed -i 's#v_sta2_db_host#{self.sta2_host}#g' " \
              f"{self.xml_path};" \
              f"cat {self.xml_path}"
          self.log.info(xml_cmd)
          xml_result = self.primary_root_node.sh(xml_cmd).result()
          self.log.info(xml_result)
          msg_list = [primary_node_name, standby1_node_name, standby2_node_name,
                      self.data_path, f"{port}", self.pri_host, self.sta1_host,
                      self.sta2_host]
          for content in msg_list:
              self.assertIn(content, xml_result, '执行失败:' + text)
  
          text = '----step3:创建用户并修改文件属性 expect:成功----'
          self.log.info(text)
          self.common.create_user(self.primary_root_node, self.u_name)
          file_own = f'chown -R {self.u_name}:{self.u_name} {self.openGauss_path}'
          self.log.info(file_own)
          file_msg = self.primary_root_node.sh(file_own).result()
          self.log.info(file_msg)
          self.assertEqual('', file_msg, '执行失败:' + text)
  
          text = '----step4:执行gs_preinstall命令 expect:预安装成功----'
          self.log.info(text)
          preinstall_cmd = f'./gs_preinstall -U {self.u_name} ' \
                           f'-G {self.u_name} -X {self.xml_path}' \
                           f' --sep-env-file={self.env_path} --skip-hostname-set '
          execute_cmd = f'''cd {self.script_path}
                             expect <<EOF
                             set timeout 300
                             spawn {preinstall_cmd}
                             expect "*(yes/no)?"
                             send "yes\\n"
                             expect "Password:"
                             send "{self.primary_root_node.ssh_password}\\n"
                             expect "*(yes/no)?"
                             send "yes\\n"
                             expect "Password:"
                             send "{macro.COMMON_PASSWD}\\n"
                             expect "Password:"
                             send "{macro.COMMON_PASSWD}\\n"
                             expect "Password:"
                             send "{macro.COMMON_PASSWD}\\n"
                             expect eof\n''' + '''EOF'''
          self.log.info(execute_cmd)
          msg = self.primary_root_node.sh(execute_cmd).result()
          self.log.info(msg)
          self.assertIn(Constant.preinstall_success_msg, msg,
                        '执行失败:' + text)
  
          text = '----step5:执行gs_install安装数据库 expect:安装成功----'
          self.log.info(text)
          su_cmd = f'su - {self.u_name}'
          install_cmd = f'gs_install -X {self.xml_path}'
          execute_cmd = f'''expect <<EOF
                     set timeout 200
                     spawn {su_cmd}
                     expect "$"
                     send "source {self.env_path}\\n"
                     expect "$"
                     send "{install_cmd}\\n"
                     expect "Please enter password for database:"
                     send "{macro.COMMON_PASSWD}\\n"
                     expect "Please repeat for database:"
                     send "{macro.COMMON_PASSWD}\\n"
                     expect eof\n''' + '''EOF'''
          self.log.info(execute_cmd)
          exec_msg = self.primary_root_node.sh(execute_cmd).result()
          self.log.info(exec_msg)
          self.assertIn(Constant.install_success_msg, exec_msg, text + '执行失败')
  
          text = '----step6:构建集群unavailable状态 expect:成功----'
          self.log.info(text)
          stop_cmd = f'su - {self.u_name} <<EOF\n' \
                     f'source {self.env_path};' \
                     f'gs_om -t stop;' \
                     f'gs_om -t status --detail;\n' \
                     f'EOF'
          self.log.info(stop_cmd)
          check_res = self.primary_root_node.sh(stop_cmd).result()
          self.log.info(check_res)
          self.assertIn('Unavailable', check_res, text + '构造集群unavailable失败')
  
          text = '----step7:执行gs_dropnode进行备机减容 expect:失败'
          self.log.info(text)
          drop_cmd = f'gs_dropnode -U {self.u_name} -G {self.u_name} ' \
                     f'-h {self.sta2_host}'
          self.log.info(drop_cmd)
          shell_path = os.path.join('/', 'home', f'{self.u_name}', 'dropnode.sh')
          shell_cmd = f'touch {shell_path};echo -e {drop_cmd} > {shell_path};' \
                      f'chmod 755 {shell_path};cat {shell_path}'
          self.log.info(shell_cmd)
          shell_res = self.primary_root_node.sh(shell_cmd).result()
          self.log.info(shell_res)
          execute_cmd = f'su - {self.u_name} <<EOF\n' \
                        f'source {self.env_path};' \
                        f'{shell_path};\n' \
                        f'EOF'
          self.log.info(execute_cmd)
          drop_res = self.primary_root_node.sh(execute_cmd).result()
          self.log.info(drop_res)
          check_msg = f'[GAUSS-35806] Current status of cluster is Unavailable'
          self.assertIn(check_msg, drop_res, text + '执行失败')
  
      def tearDown(self):
          text = "----step8:卸载数据库，清理用户及文件 expect:成功----"
          self.log.info(text)
          text_1 = '----gs_uninstall卸载数据库----'
          self.log.info(text_1)
          execute_cmd = f'su - {self.u_name} <<EOF\n' \
                        f'source {self.env_path};' \
                        f'gs_uninstall --delete-data;\n' \
                        f'EOF'
          self.log.info(execute_cmd)
          uninstall_msg = self.primary_root_node.sh(execute_cmd).result()
          self.log.info(uninstall_msg)
          text_2 = '-----删除用户下进程 expect:成功-----'
          self.log.info(text_2)
          kill_cmd = f"ps -u {self.u_name} | grep -v PID| " \
                     f"awk \'{{{{print $1}}}}\' | xargs kill -9"
          self.common.get_sh_result(self.primary_root_node, kill_cmd)
          self.common.get_sh_result(self.standby1_root_node, kill_cmd)
          self.common.get_sh_result(self.standby2_root_node, kill_cmd)
          text_3 = '----删除用户及数据准备目录 expect:成功----'
          self.log.info(text_3)
          dir_del_cmd = f'rm -rf {self.openGauss_path}'
          self.primary_root_node.sh(dir_del_cmd).result()
          self.standby1_root_node.sh(dir_del_cmd).result()
          self.standby2_root_node.sh(dir_del_cmd).result()
          check_cmd = f'if [ -d {self.openGauss_path} ]; ' \
                      f'then echo "exists"; else echo "not exists"; fi'
          pri_del_dir_msg = self.common.get_sh_result(self.primary_root_node,
                                                      check_cmd)
          sta1_del_dir_msg = self.common.get_sh_result(self.standby1_root_node,
                                                       check_cmd)
          sta2_del_dir_msg = self.common.get_sh_result(self.standby2_root_node,
                                                       check_cmd)
          usr_del_cmd = f'userdel -rf {self.u_name}'
          pri_del_usr_msg = self.primary_root_node.sh(usr_del_cmd).result()
          sta1_del_usr_msg = self.standby1_root_node.sh(usr_del_cmd).result()
          sta2_del_usr_msg = self.standby2_root_node.sh(usr_del_cmd).result()
          self.assertIn(Constant.uninstall_success_msg, uninstall_msg,
                        '执行失败:' + text_1)
          self.assertEqual('not exists', pri_del_dir_msg, '目录删除失败:' + text_3)
          self.assertEqual('not exists', sta1_del_dir_msg, '目录删除失败:' + text_3)
          self.assertEqual('not exists', sta2_del_dir_msg, '目录删除失败:' + text_3)
          msg_lis = [pri_del_usr_msg, sta1_del_usr_msg, sta2_del_usr_msg]
          for msg in msg_lis:
              self.log.info(msg)
              self.assertEqual('', msg, '用户删除失败' + text_3)
          self.log.info(f'----{os.path.basename(__file__)} finish----')
  