def _agentService_initd_start(self):
cmd7 = "/etc/init.d/" + self.args['AgentServiceName'] + " start"
info = executeCommand(cmd7, False)
if info[0] != 0:
xlogging.raise_system_error(
"_agentService_initd_start error",
"start_agentService, error:{}".format(info[2]), 0)
def mount(self):
if self._mounted:
xlogging.raise_system_error(r'内部异常，多次挂载', r'MountNbdLinux mount failed', 1)
else:
self._mounted = True
if self._read_only:
self.change_gpt_guid()
self.change_vgs_name_and_uuid()
self._scan_device()
mount_params, pvs, swap_devices = self.analyze_mount_params()
if self._read_only:
self.change_pvs_uuid(pvs)
self.activate_lvm()
# if self._read_only:
# self.change_xfs_uuid(mount_params)
# self.change_ext_uuid(mount_params)
# self.change_btrfs_uuid(mount_params)
self.mount_all(mount_params)
if self._read_only:
# self.change_chmod_only_read()
pass
else:
self.fix_swap(swap_devices)
def _create_lvm(self):
disks = self._args_dict['lvm_config']['disks']
code, stdout, stderr = funcs.execute_cmd('pvscan')
if code != 0:
xlogging.raise_system_error(
'初始化数据缓存区域失败',
'execute_cmd pvscan:{}{}{}'.format(code, stdout, stderr), 1161)
pvs = list()
for disk in disks:
for dev_path, size in self._all_blocks_size.items():
if int(disk['disk_bytes']) == int(size):
disk['dev_path'] = dev_path
break
else:
xlogging.raise_system_error(
'初始化数据缓存区域失败', 'not found disk {} dev_path {}'.format(
disk, self._all_blocks_size), 1162)
funcs.execute_cmd('pvcreate {}'.format(disk['dev_path']))
pvs.append(disk['dev_path'])
cmd = 'vgcreate {} '.format(VG_NAME)
cmd += ' '.join(pvs)
funcs.execute_cmd(cmd)
funcs.execute_cmd('lvcreate -l 100%VG -n {} {}'.format(
LV_NAME, VG_NAME))
funcs.execute_cmd(
'mkfs.ext4 /dev/mapper/{}-{}'.format(VG_NAME, LV_NAME), 60 * 30)
def _agentService_systemd_start(self):
cmd3 = "systemctl start " + self.args['Service_Service']
info = executeCommand(cmd3)
if info[0] != 0:
xlogging.raise_system_error(
"_agentService_systemd_start error",
"start_agentService, error:{}".format(info[2]), 0)
def _check_path(path):
if os.path.exists(path):
return path
else:
xlogging.raise_system_error(
"Register _check_path error",
"Register service path not exists {}".format(path), 0)
def _agentService_initd_init(self):
_logger.info("_start_agentService_init start")
cmd_stop = "/etc/init.d/" + self.args['AgentServiceName'] + " stop"
if self.args['AgentServiceName'] == 'ClwDRClient':
rc_file_name = 'S20' + self.args['AgentServiceName']
else:
rank = get_ip_service_rank(get_rc_dir())
rc_file_name = 'S{}'.format(rank) + self.args['AgentServiceName']
executeCommand(cmd_stop)
rc2_full = get_rcx_full_path("rc2.d", rc_file_name)
rc3_full = get_rcx_full_path("rc3.d", rc_file_name)
rc5_full = get_rcx_full_path("rc5.d", rc_file_name)
cmd_del_rc3 = "rm -f " + rc3_full
cmd_del_rc5 = "rm -f " + rc5_full
cmd_del_rc2 = "rm -f " + rc2_full
cmd4 = "chmod +x /etc/init.d/" + self.args['AgentServiceName']
cmd5 = "ln -s /etc/init.d/" + self.args[
'AgentServiceName'] + " " + rc3_full
cmd6 = "ln -s /etc/init.d/" + self.args[
'AgentServiceName'] + " " + rc5_full
ubuntu_a_cmd = "ln -s /etc/init.d/" + self.args[
'AgentServiceName'] + " " + rc2_full
# cmd7 = "/etc/init.d/" + self.args['AgentServiceName'] + " start"
if os.path.exists(rc3_full):
_logger.info(
"[_start_agentService_init] remove file={}".format(rc3_full))
executeCommand(cmd_del_rc3)
if os.path.exists(rc5_full):
_logger.info(
"[_start_agentService_init] remove file={}".format(rc5_full))
executeCommand(cmd_del_rc5)
if os.path.exists(rc2_full):
_logger.info(
"[_start_agentService_init] remove file={}".format(rc2_full))
executeCommand(cmd_del_rc2)
wait = True
for cmd in [cmd4, cmd5, cmd6, ubuntu_a_cmd]:
# if cmd == cmd7:
# wait = False
info = executeCommand(cmd, wait)
if info[0] != 0:
xlogging.raise_system_error(
"_agentService_initd_init error",
"init_agentService, error:{}".format(info[2]), 0)
retval = do_servcie_config(self.args['AgentServiceName'])
if not retval:
xlogging.raise_system_error("_agentService_initd_init error",
"do_servcie_config failed", 0)
def get_rc_dir():
rc3_dir = r'/etc/rc3.d/'
if os.path.exists(rc3_dir):
return rc3_dir
rc3_dir = r'/etc/init.d/rc3.d/'
if os.path.exists(rc3_dir):
return rc3_dir
xlogging.raise_system_error("get_rc_dir error", "can not find rc3.d dir")
def mount_all(self, mount_params):
# org_param = 'rw,async,relatime,noatime,nodiratime'
valid_mount_points = 0
for mount_task in mount_params:
if mount_task['mountPoint'] in self.mount_point:
_logger.warning("{} is mounted, mount_task {}".format(mount_task['mountPoint'], mount_task))
continue
mnt_succ = False
if self._read_only:
_get_info_from_syscmd_timeout_very_short(r'mkdir -p "{}"'.format(mount_task['mountPoint']))
else:
if mount_task.get('fileSystem', '').upper() == 'EXT4':
_logger.info(r'force fsck.ext4 begin : {}'.format(mount_task["device"]))
r = _get_info_from_syscmd_timeout_long(r'fsck.ext4 -y "{}"'.format(mount_task["device"]))
_logger.info(r'force fsck.ext4 end : {} {}'.format(mount_task["device"], r))
o_param = self.get_mount_option(self.mnt_opt, mount_task)
_logger.info(
"[mount_all] opt={} dev={} mntpoint={}".format(o_param, mount_task['device'], mount_task['mountPoint']))
if mount_task['mountPoint'].endswith(xdefine.CLW_BOOT_REDIRECT_GPT_LINUX_MOUNT_PATH):
os.mkdir(mount_task['mountPoint'])
r = _get_info_from_syscmd_timeout_long(r'mount -v -o {} {} "{}"'.format(
o_param, mount_task['device'], mount_task['mountPoint']))
if r[0] == 0:
self.mount_point.append(mount_task['mountPoint'])
_logger.info(r'mount {} ok'.format(mount_task['mountPoint']))
valid_mount_points += 1
mnt_succ = True
elif not self._read_only and mount_task.get('fileSystem', '').upper() == 'XFS' and r[0] != -2:
_get_info_from_syscmd_timeout_long(r'xfs_repair -L {}'.format(mount_task["device"]))
time.sleep(0.5)
r = _get_info_from_syscmd_timeout_long(r'mount -v -o {} {} "{}"'.format(
o_param, mount_task['device'], mount_task['mountPoint']))
if r[0] == 0:
self.mount_point.append(mount_task['mountPoint'])
_logger.info(r'mount {} ok'.format(mount_task['mountPoint']))
valid_mount_points += 1
mnt_succ = True
elif r[0] == -2:
_get_info_from_syscmd_timeout_short(r'umount -v "{}"'.format(mount_task['mountPoint']))
_get_info_from_syscmd_timeout_short(r'umount -v -l "{}"'.format(mount_task['mountPoint']))
btrfsmntopt = mount_task.get("btrfsmntopt")
_logger.info(r'[mount_all] mmt_succ={} btrfsmntopt={}'.format(mnt_succ, btrfsmntopt))
if mnt_succ and btrfsmntopt:
self.mount_btrfs_subvol(mount_task)
if valid_mount_points == 0:
xlogging.raise_system_error(r'无法加载备份快照中的文件系统', r'mount_all failed', 0)
def get_rcx_full_path(rc_x, file_name):
rc_x_path = "/etc/{}/".format(rc_x)
if os.path.exists(rc_x_path):
return os.path.join(rc_x_path, file_name)
rc_x_path = "/etc/init.d/{}/".format(rc_x)
if os.path.exists(rc_x_path):
return os.path.join(rc_x_path, file_name)
xlogging.raise_system_error("get_rc_x_path error",
"can not find {}".format(rc_x), 0)
return ""
def get_systemd_path():
# default
path = "/usr/lib/systemd/system/"
if os.path.exists(path):
return path
# ubuntu 16.04
path = "/etc/systemd/system"
if os.path.exists(path):
return path
xlogging.raise_system_error("register error",
"[get_systemd_path] not found systemd path", 0)
return None
def _get_exe_path(path):
if path.endswith('LinuxAgentService'):
dir_name = os.path.dirname(path)
wdg_name = 'clerwd'
wdg_path = os.path.join(dir_name, wdg_name)
if not os.path.exists(wdg_path):
xlogging.raise_system_error(
"Register _check_path error",
"Register service path not exists {}".format(wdg_path), 0)
interval_times = 10
exe_cmd = "{exe_wdg} {itv_tms} {exe_agt_srv}".format(
exe_wdg=wdg_path, itv_tms=interval_times, exe_agt_srv=path)
return exe_cmd
else:
return path
def _agentService_systemd_init(self):
_logger.info("_start_agentService_systemd start")
# cmd1 = "chmod +x /usr/lib/systemd/system/" + self.args['Service_Service']
systemd_path = get_systemd_path()
systemd_cfg = os.path.join(systemd_path, self.args['Service_Service'])
cmd1 = "chmod +x {}".format(systemd_cfg)
cmd2 = "systemctl daemon-reload"
cmd3 = "systemctl enable " + self.args['Service_Service']
# cmd3 = "systemctl start " + self.args['Service_Service']
for cmd in [cmd1, cmd2, cmd3]:
info = executeCommand(cmd)
if info[0] != 0:
xlogging.raise_system_error(
"_agentService_systemd_init error",
"init_agentService, error:{}".format(info[2]), 0)
def _init_data_area(self):
if 'lvm_config' not in self._args_dict:
return
lvm_path = '/dev/mapper/{}-{}'.format(VG_NAME, LV_NAME)
if not os.path.exists(lvm_path):
self._status = ('初始化数据缓存区域', 'init_data_area')
_logger.warning('not found lvm {}, start create'.format(lvm_path))
self._pause_in_debug_mod('开始创建lvm')
self._create_lvm()
xlogging.makedirs(MOUNT_PATH, exist_ok=True)
code, stdout, stderr = funcs.execute_cmd('mount {} {}'.format(
lvm_path, MOUNT_PATH))
if code != 0:
xlogging.raise_system_error(
'初始化数据缓存区域失败',
'execute_cmd mount:{}{}{}'.format(code, stdout, stderr), 1162)
def _get_remote_proxy(self):
from service_in_kvm import app
count = 12 * 5
remote_proxy = None
while count > 0:
count -= 1
try:
remote_proxy = app.get_remote_proxy(
self._args_dict['db_backup_params']['master_ident'])
except Exception as e:
_logger.warning(
'_get_remote_proxy error: {} will retry {}'.format(
e, count))
time.sleep(5)
else:
break
if not remote_proxy:
xlogging.raise_system_error('等待R端连入超时', 'waite remote timeout',
172)
self.remote_proxy = remote_proxy
def _get_remote_proxy(self):
from service_in_kvm import app
count = 12 * 5
remote_proxy = None
while count > 0 and (not self._stop_flag):
count -= 1
try:
remote_proxy = app.get_remote_proxy(self._args_dict['ident'])
except Exception as e:
_logger.warning(
'_get_remote_proxy error: {} will retry {}'.format(
e, count))
time.sleep(5)
else:
break
if not remote_proxy:
xlogging.raise_system_error('等待R端连入超时', 'waite remote timeout',
172)
self.remote_proxy = remote_proxy
self.remote_func_proxy = remote_helper.FunctionMapper(
self.remote_proxy, _logger)
def get_ip_service_rank(script_dir, default='06'):
rank = default
find = False
try:
rank_re = re.compile('^S(\d+)network$')
for file_name in os.listdir(script_dir):
match = rank_re.match(file_name)
if match:
_rank = match.groups()[0]
if str.isdigit(_rank) and int(_rank) < int(rank):
rank = _rank
find = True
if find:
assert int(rank) > 0
rank = '0{}'.format(int(rank) - 1)
except AssertionError:
xlogging.raise_system_error("get_ip_service_rank error", "rank <= 0",
0)
except Exception as e:
_logger.error("get_ip_service_rank error: {}".format(e), exc_info=True)
_logger.info('get_ip_service_rank return {}'.format(rank))
return rank
def get_reg_file_path_imp(root_path, install_path):
"""
获取clerware_meta_path
1. AgentService.config 中配置了Agent.ClwMetaPath 目录，那么使用这个
2. 也有可能 ClwMeta 存在与 install_path 目录下
2. 以上都不存在，那么就在 /boot 目录下
:return: clerware_meta_path
"""
bin_path = root_path + install_path
if not os.path.exists(bin_path):
xlogging.raise_system_error('无效的安装路径', 'invalid install path', 445)
return None
# from AgentService.config
meta_path = get_clwmeta_path(bin_path, root_path)
if meta_path:
return meta_path
_logger.info(r'get_reg_file_path_imp config path is not exist')
# from bin_path
meta_path = os.path.join(bin_path, 'ClerWareMeta')
if os.path.exists(meta_path):
return meta_path
_logger.info(r'get_reg_file_path_imp bin path is not exist')
# from boot dir
meta_path = os.path.join(root_path, 'boot', 'ClerWareMeta')
if os.path.exists(meta_path):
return meta_path
xlogging.raise_system_error(
r'无法访问备份快照中的关键数据区域',
r'get_reg_file_path_imp failed : {}'.format(meta_path), 1)
return None
def _work(self):
xlogging.raise_system_error('无效的调用类型', 'invalid action', 1047)
