303 lines
10 KiB
Python
303 lines
10 KiB
Python
import json
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import os
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import re
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from datetime import datetime, timedelta
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from typing import Tuple, Union, Optional, Iterator
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from .send_tool import WxAccountMsg
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from .base_task import BaseTask
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from .mods import TaskTemplateConfig
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from .util import read_file
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def rsync_ver_is_38() -> Optional[bool]:
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"""
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检查rsync的版本是否为3.8。
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该函数不接受任何参数。
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返回值:
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- None: 如果无法确定rsync的版本或文件不存在。
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- bool: 如果版本确定为3.8,则返回True;否则返回False。
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"""
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push_file = "/www/server/panel/plugin/rsync/rsync_push.py"
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if not os.path.exists(push_file):
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return None
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ver_info_file = "/www/server/panel/plugin/rsync/info.json"
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if not os.path.exists(ver_info_file):
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return None
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try:
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info = json.loads(read_file(ver_info_file))
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except (json.JSONDecodeError, TypeError):
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return None
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ver = info["versions"]
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ver_tuples = [int(i) for i in ver.split(".")]
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if len(ver_tuples) < 3:
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ver_tuples = ver_tuples.extend([0] * (3 - len(ver_tuples)))
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if ver_tuples[0] < 3:
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return None
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if ver_tuples[1] <= 8 and ver_tuples[0] == 3:
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return True
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return False
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class Rsync38Task(BaseTask):
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def __init__(self):
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super().__init__()
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self.source_name = "rsync_push"
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self.template_name = "File synchronization alarm"
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self.title = "File synchronization alarm"
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def check_task_data(self, task_data: dict) -> Union[dict, str]:
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if "interval" not in task_data or not isinstance(task_data["interval"], int):
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task_data["interval"] = 600
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return task_data
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def get_keyword(self, task_data: dict) -> str:
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return "rsync_push"
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def get_push_data(self, task_id: str, task_data: dict) -> Optional[dict]:
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has_err = self._check(task_data.get("interval", 600))
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if not has_err:
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return None
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return {
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"msg_list": [
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">Notification type: File synchronization alarm",
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">Content of alarm: <font color=#ff0000>If an error occurs during file synchronization, please pay attention to the file synchronization situation and handle it in a timely manner.</font> ",
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]
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}
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@staticmethod
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def _check(interval: int) -> bool:
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if not isinstance(interval, int):
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return False
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start_time = datetime.now() - timedelta(seconds=interval * 1.2)
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log_file = "{}/plugin/rsync/lsyncd.log".format("/www/server/panel")
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if not os.path.exists(log_file):
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return False
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return LogChecker(log_file=log_file, start_time=start_time)()
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def check_time_rule(self, time_rule: dict) -> Union[dict, str]:
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if "send_interval" not in time_rule or not isinstance(time_rule["interval"], int):
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time_rule["send_interval"] = 3 * 60
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if time_rule["send_interval"] < 60:
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time_rule["send_interval"] = 60
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return time_rule
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def filter_template(self, template: dict) -> Optional[dict]:
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res = rsync_ver_is_38()
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if res is None:
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return None
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if res:
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return template
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else:
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return None
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def to_sms_msg(self, push_data: dict, push_public_data: dict) -> Tuple[str, dict]:
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return '', {}
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def to_wx_account_msg(self, push_data: dict, push_public_data: dict) -> WxAccountMsg:
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msg = WxAccountMsg.new_msg()
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msg.thing_type = "File synchronization alarm"
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msg.msg = "There was an error in the synchronization. Please keep an eye on the synchronization"
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return msg
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class Rsync39Task(BaseTask):
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def __init__(self):
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super().__init__()
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self.source_name = "rsync_push"
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self.template_name = "File synchronization alarm"
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self.title = "File synchronization alarm"
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def check_task_data(self, task_data: dict) -> Union[dict, str]:
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if "interval" not in task_data or not isinstance(task_data["interval"], int):
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task_data["interval"] = 600
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return task_data
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def get_keyword(self, task_data: dict) -> str:
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return "rsync_push"
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def get_push_data(self, task_id: str, task_data: dict) -> Optional[dict]:
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"""
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不返回数据,以实时触发为主
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"""
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return None
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def check_time_rule(self, time_rule: dict) -> Union[dict, str]:
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if "send_interval" not in time_rule or not isinstance(time_rule["send_interval"], int):
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time_rule["send_interval"] = 3 * 60
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if time_rule["send_interval"] < 60:
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time_rule["send_interval"] = 60
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return time_rule
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def filter_template(self, template: dict) -> Optional[dict]:
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res = rsync_ver_is_38()
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if res is None:
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return None
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if res is False:
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return template
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else:
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return None
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def to_sms_msg(self, push_data: dict, push_public_data: dict) -> Tuple[str, dict]:
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return '', {}
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def to_wx_account_msg(self, push_data: dict, push_public_data: dict) -> WxAccountMsg:
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task_name = push_data.get("task_name", None)
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msg = WxAccountMsg.new_msg()
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msg.thing_type = "File synchronization alarm"
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if task_name:
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msg.msg = "An error occurred on file synchronization task {}".format(task_name)
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else:
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msg.msg = "There was an error in the synchronization. Please keep an eye on the synchronization"
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return msg
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class LogChecker:
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"""
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排序查询并获取日志内容
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"""
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rep_time = re.compile(r'(?P<target>(\w{3}\s+){2}(\d{1,2})\s+(\d{2}:?){3}\s+\d{4})')
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format_str = '%a %b %d %H:%M:%S %Y'
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err_datetime = datetime.fromtimestamp(0)
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err_list = ("error", "Error", "ERROR", "exitcode = 10", "failed")
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def __init__(self, log_file: str, start_time: datetime):
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self.log_file = log_file
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self.start_time = start_time
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self.is_over_time = None # None:还没查到时间,未知, False: 可以继续网上查询, True:比较早的数据了,不再向上查询
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self.has_err = False # 目前已查询的内容中是否有报错信息
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def _format_time(self, log_line) -> Optional[datetime]:
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try:
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date_str_res = self.rep_time.search(log_line)
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if date_str_res:
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time_str = date_str_res.group("target")
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return datetime.strptime(time_str, self.format_str)
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except Exception:
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return self.err_datetime
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return None
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# 返回日志内容
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def __call__(self):
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_buf = b""
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file_size, fp = os.stat(self.log_file).st_size - 1, open(self.log_file, mode="rb")
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fp.seek(-1, 2)
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while file_size:
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read_size = min(1024, file_size)
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fp.seek(-read_size, 1)
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buf: bytes = fp.read(read_size) + _buf
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fp.seek(-read_size, 1)
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if file_size > 1024:
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idx = buf.find(ord("\n"))
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_buf, buf = buf[:idx], buf[idx + 1:]
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for i in self._get_log_line_from_buf(buf):
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self._check(i)
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if self.is_over_time:
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return self.has_err
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file_size -= read_size
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return False
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# 从缓冲中读取日志
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@staticmethod
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def _get_log_line_from_buf(buf: bytes) -> Iterator[str]:
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n, m = 0, 0
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buf_len = len(buf) - 1
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for i in range(buf_len, -1, -1):
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if buf[i] == ord("\n"):
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log_line = buf[buf_len + 1 - m: buf_len - n + 1].decode("utf-8")
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yield log_line
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n = m = m + 1
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else:
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m += 1
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yield buf[0: buf_len - n + 1].decode("utf-8")
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# 格式化并筛选查询条件
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def _check(self, log_line: str) -> None:
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# 筛选日期
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for err in self.err_list:
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if err in log_line:
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self.has_err = True
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ck_time = self._format_time(log_line)
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if ck_time:
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self.is_over_time = self.start_time > ck_time
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def load_rsync_template():
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"""
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加载rsync模板
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"""
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if TaskTemplateConfig().get_by_id("40"):
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return None
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from .mods import load_task_template_by_config
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load_task_template_by_config(
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[{
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"id": "40",
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"ver": "1",
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"used": True,
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"source": "rsync_push",
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"title": "File synchronization alarm",
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"load_cls": {
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"load_type": "path",
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"cls_path": "mod.base.push_mod.rsync_push",
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"name": "RsyncTask"
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},
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"template": {
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"field": [
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],
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"sorted": [
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]
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},
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"default": {
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},
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"advanced_default": {
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"number_rule": {
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"day_num": 3
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}
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},
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"send_type_list": [
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"wx_account",
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"dingding",
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"feishu",
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"mail",
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"weixin",
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"webhook",
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"tg",
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],
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"unique": True
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}]
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)
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RsyncTask = Rsync39Task
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if rsync_ver_is_38() is True:
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RsyncTask = Rsync38Task
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def push_rsync_by_task_name(task_name: str):
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from .system import push_by_task_keyword
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push_data = {
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"task_name": task_name,
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"msg_list": [
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">Notification type: File synchronization alarm",
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">Content of alarm: <font color=#ff0000>File synchronization task {} has failed during the execution, please pay attention to the file synchronization situation and deal with it.</font> ".format(
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task_name),
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]
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}
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push_by_task_keyword("rsync_push", "rsync_push", push_data=push_data)
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class ViewMsgFormat(object):
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@staticmethod
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def get_msg(task: dict) -> Optional[str]:
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if task["template_id"] == "40":
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return "<span>Push alarm information when there is an exception in file synchronization (push {} times per day and then not push)<span>".format(
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task.get("number_rule", {}).get("day_num"))
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return None
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