mirror of https://github.com/jumpserver/jumpserver
73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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#
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import re
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import os
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import logging
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from collections import defaultdict
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from django.conf import settings
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from django.core.signals import request_finished
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from django.db import connection
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from jumpserver.utils import get_current_request
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from .local import thread_local
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pattern = re.compile(r'FROM `(\w+)`')
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logger = logging.getLogger("jumpserver.common")
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DEBUG_DB = os.environ.get('DEBUG_DB', '0') == '1'
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class Counter:
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def __init__(self):
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self.counter = 0
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self.time = 0
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def __gt__(self, other):
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return self.counter > other.counter
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def __lt__(self, other):
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return self.counter < other.counter
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def __eq__(self, other):
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return self.counter == other.counter
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def on_request_finished_logging_db_query(sender, **kwargs):
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queries = connection.queries
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counters = defaultdict(Counter)
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for query in queries:
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if not query['sql'] or not query['sql'].startswith('SELECT'):
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continue
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tables = pattern.findall(query['sql'])
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table_name = ''.join(tables)
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time = query['time']
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counters[table_name].counter += 1
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counters[table_name].time += float(time)
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counters['total'].counter += 1
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counters['total'].time += float(time)
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counters = sorted(counters.items(), key=lambda x: x[1])
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if not counters:
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return
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method = 'GET'
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path = '/Unknown'
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current_request = get_current_request()
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if current_request:
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method = current_request.method
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path = current_request.get_full_path()
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logger.debug(">>> [{}] {}".format(method, path))
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for name, counter in counters:
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logger.debug("Query {:3} times using {:.2f}s {}".format(
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counter.counter, counter.time, name)
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)
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def on_request_finished_release_local(sender, **kwargs):
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thread_local.__release_local__()
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if settings.DEBUG and DEBUG_DB:
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request_finished.connect(on_request_finished_logging_db_query)
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else:
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request_finished.connect(on_request_finished_release_local)
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