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1
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import logging |
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2
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import traceback |
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3
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import json |
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4
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import os |
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5
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import socket |
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6
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7
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class JSONFormatter(object): |
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8
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9
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def __init__(self, *args, **extra_tags): |
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10
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self.dumps = extra_tags.pop('dumps', lambda obj: json.dumps(obj, default=lambda obj: str(obj))) |
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11
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12
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object.__init__(self, *args) |
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13
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self.extra_tags = extra_tags |
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14
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15
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def format(self, record): |
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16
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17
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if isinstance(record.msg, dict): |
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18
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data = record.msg |
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19
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elif isinstance(record.msg, (list, tuple)): |
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data = {'items': record.msg} |
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21
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else: |
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22
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data = {'msg':record.msg} |
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23
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24
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kwargs = self.extra_tags.copy() |
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25
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26
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data.update(logLevel=record.levelname, |
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27
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logModule=record.module, |
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28
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logName=record.name, |
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29
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pid=os.getpid(), |
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30
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**kwargs) |
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31
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32
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if record.exc_info: |
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33
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etype, value, tb = record.exc_info |
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34
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tb = '\n'.join(traceback.format_exception(etype, value, tb)) |
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35
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data['exception'] = True |
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36
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data['traceback'] = tb |
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37
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38
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msg = self.dumps(data) |
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39
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return msg |
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40
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41
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class JSONSysLogFormatter(JSONFormatter): |
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42
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def __init__(self, appName, *args, **extra_tags): |
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43
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self.appName = appName |
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44
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JSONFormatter.__init__(self, *args, **extra_tags) |
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45
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46
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def format(self, record): |
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47
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msg = JSONFormatter.format(self, record) |
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48
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return '%s %s' % (self.appName, msg) |
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49
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50
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51
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def syslog_handler(app_name='binstar-client'): |
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52
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53
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address = None |
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54
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if os.path.exists('/dev/log'): |
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55
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address = '/dev/log' |
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56
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elif os.path.exists('/var/run/syslog'): |
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57
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address = '/var/run/syslog' |
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58
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else: |
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59
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address = ('localhost', 514) |
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60
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
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61
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try: |
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62
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s.connect(address) |
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63
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except: |
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64
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return logging.NullHandler() |
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65
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66
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hdlr = logging.handlers.SysLogHandler(address=address) |
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67
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hdlr.setLevel(logging.INFO) |
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68
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hdlr.setFormatter(JSONSysLogFormatter(app_name)) |
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69
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return hdlr |
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70
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Anaconda-Platform /
anaconda-client
