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114 lines
4.0 KiB
114 lines
4.0 KiB
# coding=utf-8
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import io
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import re
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from flask_restx import Resource, Namespace, fields, marshal
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from app.config import settings
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from app.logger import empty_log
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from app.get_args import args
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from utilities.central import get_log_file_path
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from ..utils import authenticate
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api_ns_system_logs = Namespace('System Logs', description='List log file entries or empty log file')
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@api_ns_system_logs.route('system/logs')
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class SystemLogs(Resource):
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get_response_model = api_ns_system_logs.model('SystemBackupsGetResponse', {
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'timestamp': fields.String(),
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'type': fields.String(),
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'message': fields.String(),
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'exception': fields.String(),
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})
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@authenticate
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@api_ns_system_logs.doc(parser=None)
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@api_ns_system_logs.response(200, 'Success')
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@api_ns_system_logs.response(401, 'Not Authenticated')
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def get(self):
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"""List log entries"""
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logs = []
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include = str(settings.log.include_filter)
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exclude = str(settings.log.exclude_filter)
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ignore_case = settings.log.ignore_case
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regex = settings.log.use_regex
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if regex:
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# pre-compile regular expressions for better performance
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if ignore_case:
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flags = re.IGNORECASE
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else:
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flags = 0
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if len(include) > 0:
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try:
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include_compiled = re.compile(include, flags)
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except Exception:
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include_compiled = None
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if len(exclude) > 0:
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try:
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exclude_compiled = re.compile(exclude, flags)
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except Exception:
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exclude_compiled = None
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elif ignore_case:
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include = include.casefold()
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exclude = exclude.casefold()
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with io.open(get_log_file_path(), encoding='UTF-8') as file:
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raw_lines = file.read()
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lines = raw_lines.split('|\n')
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for line in lines:
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if line == '':
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continue
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if ignore_case and not regex:
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compare_line = line.casefold()
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else:
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compare_line = line
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if len(include) > 0:
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if regex:
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if include_compiled is None:
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# if invalid re, keep the line
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keep = True
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else:
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keep = include_compiled.search(compare_line)
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else:
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keep = include in compare_line
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if not keep:
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continue
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if len(exclude) > 0:
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if regex:
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if exclude_compiled is None:
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# if invalid re, keep the line
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skip = False
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else:
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skip = exclude_compiled.search(compare_line)
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else:
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skip = exclude in compare_line
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if skip:
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continue
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raw_message = line.split('|')
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raw_message_len = len(raw_message)
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if raw_message_len > 3:
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log = dict()
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log["timestamp"] = raw_message[0]
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log["type"] = raw_message[1].rstrip()
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log["message"] = raw_message[3]
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if raw_message_len > 4 and raw_message[4] != '\n':
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log['exception'] = raw_message[4].strip('\'').replace(' ', '\u2003\u2003')
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else:
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log['exception'] = None
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logs.append(log)
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logs.reverse()
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return marshal(logs, self.get_response_model, envelope='data')
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@authenticate
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@api_ns_system_logs.doc(parser=None)
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@api_ns_system_logs.response(204, 'Success')
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@api_ns_system_logs.response(401, 'Not Authenticated')
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def delete(self):
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"""Force log rotation and create a new log file"""
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empty_log()
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return '', 204
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