You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
479 lines
15 KiB
479 lines
15 KiB
7 years ago
|
# -*- coding: utf-8 -
|
||
|
|
#
|
||
|
|
# This file is part of gunicorn released under the MIT license.
|
||
|
|
# See the NOTICE for more information.
|
||
|
|
|
||
|
|
import base64
|
||
|
|
import binascii
|
||
|
|
import time
|
||
|
|
import logging
|
||
|
|
logging.Logger.manager.emittedNoHandlerWarning = 1
|
||
|
|
from logging.config import fileConfig
|
||
|
|
try:
|
||
|
|
from logging.config import dictConfig
|
||
|
|
except ImportError:
|
||
|
|
# python 2.6
|
||
|
|
dictConfig = None
|
||
|
|
import os
|
||
|
|
import socket
|
||
|
|
import sys
|
||
|
|
import threading
|
||
|
|
import traceback
|
||
|
|
|
||
|
|
from gunicorn import util
|
||
|
|
from gunicorn.six import PY3, string_types
|
||
|
|
|
||
|
|
|
||
|
|
# syslog facility codes
|
||
|
|
SYSLOG_FACILITIES = {
|
||
|
|
"auth": 4,
|
||
|
|
"authpriv": 10,
|
||
|
|
"cron": 9,
|
||
|
|
"daemon": 3,
|
||
|
|
"ftp": 11,
|
||
|
|
"kern": 0,
|
||
|
|
"lpr": 6,
|
||
|
|
"mail": 2,
|
||
|
|
"news": 7,
|
||
|
|
"security": 4, # DEPRECATED
|
||
|
|
"syslog": 5,
|
||
|
|
"user": 1,
|
||
|
|
"uucp": 8,
|
||
|
|
"local0": 16,
|
||
|
|
"local1": 17,
|
||
|
|
"local2": 18,
|
||
|
|
"local3": 19,
|
||
|
|
"local4": 20,
|
||
|
|
"local5": 21,
|
||
|
|
"local6": 22,
|
||
|
|
"local7": 23
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
CONFIG_DEFAULTS = dict(
|
||
|
|
version=1,
|
||
|
|
disable_existing_loggers=False,
|
||
|
|
|
||
|
|
loggers={
|
||
|
|
"root": {"level": "INFO", "handlers": ["console"]},
|
||
|
|
"gunicorn.error": {
|
||
|
|
"level": "INFO",
|
||
|
|
"handlers": ["error_console"],
|
||
|
|
"propagate": True,
|
||
|
|
"qualname": "gunicorn.error"
|
||
|
|
},
|
||
|
|
|
||
|
|
"gunicorn.access": {
|
||
|
|
"level": "INFO",
|
||
|
|
"handlers": ["console"],
|
||
|
|
"propagate": True,
|
||
|
|
"qualname": "gunicorn.access"
|
||
|
|
}
|
||
|
|
},
|
||
|
|
handlers={
|
||
|
|
"console": {
|
||
|
|
"class": "logging.StreamHandler",
|
||
|
|
"formatter": "generic",
|
||
|
|
"stream": "sys.stdout"
|
||
|
|
},
|
||
|
|
"error_console": {
|
||
|
|
"class": "logging.StreamHandler",
|
||
|
|
"formatter": "generic",
|
||
|
|
"stream": "sys.stderr"
|
||
|
|
},
|
||
|
|
},
|
||
|
|
formatters={
|
||
|
|
"generic": {
|
||
|
|
"format": "%(asctime)s [%(process)d] [%(levelname)s] %(message)s",
|
||
|
|
"datefmt": "[%Y-%m-%d %H:%M:%S %z]",
|
||
|
|
"class": "logging.Formatter"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def loggers():
|
||
|
|
""" get list of all loggers """
|
||
|
|
root = logging.root
|
||
|
|
existing = root.manager.loggerDict.keys()
|
||
|
|
return [logging.getLogger(name) for name in existing]
|
||
|
|
|
||
|
|
|
||
|
|
class SafeAtoms(dict):
|
||
|
|
|
||
|
|
def __init__(self, atoms):
|
||
|
|
dict.__init__(self)
|
||
|
|
for key, value in atoms.items():
|
||
|
|
if isinstance(value, string_types):
|
||
|
|
self[key] = value.replace('"', '\\"')
|
||
|
|
else:
|
||
|
|
self[key] = value
|
||
|
|
|
||
|
|
def __getitem__(self, k):
|
||
|
|
if k.startswith("{"):
|
||
|
|
kl = k.lower()
|
||
|
|
if kl in self:
|
||
|
|
return super(SafeAtoms, self).__getitem__(kl)
|
||
|
|
else:
|
||
|
|
return "-"
|
||
|
|
if k in self:
|
||
|
|
return super(SafeAtoms, self).__getitem__(k)
|
||
|
|
else:
|
||
|
|
return '-'
|
||
|
|
|
||
|
|
|
||
|
|
def parse_syslog_address(addr):
|
||
|
|
|
||
|
|
# unix domain socket type depends on backend
|
||
|
|
# SysLogHandler will try both when given None
|
||
|
|
if addr.startswith("unix://"):
|
||
|
|
sock_type = None
|
||
|
|
|
||
|
|
# set socket type only if explicitly requested
|
||
|
|
parts = addr.split("#", 1)
|
||
|
|
if len(parts) == 2:
|
||
|
|
addr = parts[0]
|
||
|
|
if parts[1] == "dgram":
|
||
|
|
sock_type = socket.SOCK_DGRAM
|
||
|
|
|
||
|
|
return (sock_type, addr.split("unix://")[1])
|
||
|
|
|
||
|
|
if addr.startswith("udp://"):
|
||
|
|
addr = addr.split("udp://")[1]
|
||
|
|
socktype = socket.SOCK_DGRAM
|
||
|
|
elif addr.startswith("tcp://"):
|
||
|
|
addr = addr.split("tcp://")[1]
|
||
|
|
socktype = socket.SOCK_STREAM
|
||
|
|
else:
|
||
|
|
raise RuntimeError("invalid syslog address")
|
||
|
|
|
||
|
|
if '[' in addr and ']' in addr:
|
||
|
|
host = addr.split(']')[0][1:].lower()
|
||
|
|
elif ':' in addr:
|
||
|
|
host = addr.split(':')[0].lower()
|
||
|
|
elif addr == "":
|
||
|
|
host = "localhost"
|
||
|
|
else:
|
||
|
|
host = addr.lower()
|
||
|
|
|
||
|
|
addr = addr.split(']')[-1]
|
||
|
|
if ":" in addr:
|
||
|
|
port = addr.split(':', 1)[1]
|
||
|
|
if not port.isdigit():
|
||
|
|
raise RuntimeError("%r is not a valid port number." % port)
|
||
|
|
port = int(port)
|
||
|
|
else:
|
||
|
|
port = 514
|
||
|
|
|
||
|
|
return (socktype, (host, port))
|
||
|
|
|
||
|
|
|
||
|
|
class Logger(object):
|
||
|
|
|
||
|
|
LOG_LEVELS = {
|
||
|
|
"critical": logging.CRITICAL,
|
||
|
|
"error": logging.ERROR,
|
||
|
|
"warning": logging.WARNING,
|
||
|
|
"info": logging.INFO,
|
||
|
|
"debug": logging.DEBUG
|
||
|
|
}
|
||
|
|
loglevel = logging.INFO
|
||
|
|
|
||
|
|
error_fmt = r"%(asctime)s [%(process)d] [%(levelname)s] %(message)s"
|
||
|
|
datefmt = r"[%Y-%m-%d %H:%M:%S %z]"
|
||
|
|
|
||
|
|
access_fmt = "%(message)s"
|
||
|
|
syslog_fmt = "[%(process)d] %(message)s"
|
||
|
|
|
||
|
|
atoms_wrapper_class = SafeAtoms
|
||
|
|
|
||
|
|
def __init__(self, cfg):
|
||
|
|
self.error_log = logging.getLogger("gunicorn.error")
|
||
|
|
self.error_log.propagate = False
|
||
|
|
self.access_log = logging.getLogger("gunicorn.access")
|
||
|
|
self.access_log.propagate = False
|
||
|
|
self.error_handlers = []
|
||
|
|
self.access_handlers = []
|
||
|
|
self.logfile = None
|
||
|
|
self.lock = threading.Lock()
|
||
|
|
self.cfg = cfg
|
||
|
|
self.setup(cfg)
|
||
|
|
|
||
|
|
def setup(self, cfg):
|
||
|
|
self.loglevel = self.LOG_LEVELS.get(cfg.loglevel.lower(), logging.INFO)
|
||
|
|
self.error_log.setLevel(self.loglevel)
|
||
|
|
self.access_log.setLevel(logging.INFO)
|
||
|
|
|
||
|
|
# set gunicorn.error handler
|
||
|
|
if self.cfg.capture_output and cfg.errorlog != "-":
|
||
|
|
for stream in sys.stdout, sys.stderr:
|
||
|
|
stream.flush()
|
||
|
|
|
||
|
|
self.logfile = open(cfg.errorlog, 'a+')
|
||
|
|
os.dup2(self.logfile.fileno(), sys.stdout.fileno())
|
||
|
|
os.dup2(self.logfile.fileno(), sys.stderr.fileno())
|
||
|
|
|
||
|
|
self._set_handler(self.error_log, cfg.errorlog,
|
||
|
|
logging.Formatter(self.error_fmt, self.datefmt))
|
||
|
|
|
||
|
|
# set gunicorn.access handler
|
||
|
|
if cfg.accesslog is not None:
|
||
|
|
self._set_handler(self.access_log, cfg.accesslog,
|
||
|
|
fmt=logging.Formatter(self.access_fmt), stream=sys.stdout)
|
||
|
|
|
||
|
|
# set syslog handler
|
||
|
|
if cfg.syslog:
|
||
|
|
self._set_syslog_handler(
|
||
|
|
self.error_log, cfg, self.syslog_fmt, "error"
|
||
|
|
)
|
||
|
|
if not cfg.disable_redirect_access_to_syslog:
|
||
|
|
self._set_syslog_handler(
|
||
|
|
self.access_log, cfg, self.syslog_fmt, "access"
|
||
|
|
)
|
||
|
|
|
||
|
|
if dictConfig is None and cfg.logconfig_dict:
|
||
|
|
util.warn("Dictionary-based log configuration requires "
|
||
|
|
"Python 2.7 or above.")
|
||
|
|
|
||
|
|
if dictConfig and cfg.logconfig_dict:
|
||
|
|
config = CONFIG_DEFAULTS.copy()
|
||
|
|
config.update(cfg.logconfig_dict)
|
||
|
|
try:
|
||
|
|
dictConfig(config)
|
||
|
|
except (
|
||
|
|
AttributeError,
|
||
|
|
ImportError,
|
||
|
|
ValueError,
|
||
|
|
TypeError
|
||
|
|
) as exc:
|
||
|
|
raise RuntimeError(str(exc))
|
||
|
|
elif cfg.logconfig:
|
||
|
|
if os.path.exists(cfg.logconfig):
|
||
|
|
defaults = CONFIG_DEFAULTS.copy()
|
||
|
|
defaults['__file__'] = cfg.logconfig
|
||
|
|
defaults['here'] = os.path.dirname(cfg.logconfig)
|
||
|
|
fileConfig(cfg.logconfig, defaults=defaults,
|
||
|
|
disable_existing_loggers=False)
|
||
|
|
else:
|
||
|
|
msg = "Error: log config '%s' not found"
|
||
|
|
raise RuntimeError(msg % cfg.logconfig)
|
||
|
|
|
||
|
|
def critical(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.critical(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def error(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.error(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def warning(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.warning(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def info(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.info(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def debug(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.debug(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def exception(self, msg, *args, **kwargs):
|
||
|
|
self.error_log.exception(msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def log(self, lvl, msg, *args, **kwargs):
|
||
|
|
if isinstance(lvl, string_types):
|
||
|
|
lvl = self.LOG_LEVELS.get(lvl.lower(), logging.INFO)
|
||
|
|
self.error_log.log(lvl, msg, *args, **kwargs)
|
||
|
|
|
||
|
|
def atoms(self, resp, req, environ, request_time):
|
||
|
|
""" Gets atoms for log formating.
|
||
|
|
"""
|
||
|
|
status = resp.status
|
||
|
|
if isinstance(status, str):
|
||
|
|
status = status.split(None, 1)[0]
|
||
|
|
atoms = {
|
||
|
|
'h': environ.get('REMOTE_ADDR', '-'),
|
||
|
|
'l': '-',
|
||
|
|
'u': self._get_user(environ) or '-',
|
||
|
|
't': self.now(),
|
||
|
|
'r': "%s %s %s" % (environ['REQUEST_METHOD'],
|
||
|
|
environ['RAW_URI'], environ["SERVER_PROTOCOL"]),
|
||
|
|
's': status,
|
||
|
|
'm': environ.get('REQUEST_METHOD'),
|
||
|
|
'U': environ.get('PATH_INFO'),
|
||
|
|
'q': environ.get('QUERY_STRING'),
|
||
|
|
'H': environ.get('SERVER_PROTOCOL'),
|
||
|
|
'b': getattr(resp, 'sent', None) and str(resp.sent) or '-',
|
||
|
|
'B': getattr(resp, 'sent', None),
|
||
|
|
'f': environ.get('HTTP_REFERER', '-'),
|
||
|
|
'a': environ.get('HTTP_USER_AGENT', '-'),
|
||
|
|
'T': request_time.seconds,
|
||
|
|
'D': (request_time.seconds*1000000) + request_time.microseconds,
|
||
|
|
'L': "%d.%06d" % (request_time.seconds, request_time.microseconds),
|
||
|
|
'p': "<%s>" % os.getpid()
|
||
|
|
}
|
||
|
|
|
||
|
|
# add request headers
|
||
|
|
if hasattr(req, 'headers'):
|
||
|
|
req_headers = req.headers
|
||
|
|
else:
|
||
|
|
req_headers = req
|
||
|
|
|
||
|
|
if hasattr(req_headers, "items"):
|
||
|
|
req_headers = req_headers.items()
|
||
|
|
|
||
|
|
atoms.update(dict([("{%s}i" % k.lower(), v) for k, v in req_headers]))
|
||
|
|
|
||
|
|
resp_headers = resp.headers
|
||
|
|
if hasattr(resp_headers, "items"):
|
||
|
|
resp_headers = resp_headers.items()
|
||
|
|
|
||
|
|
# add response headers
|
||
|
|
atoms.update(dict([("{%s}o" % k.lower(), v) for k, v in resp_headers]))
|
||
|
|
|
||
|
|
# add environ variables
|
||
|
|
environ_variables = environ.items()
|
||
|
|
atoms.update(dict([("{%s}e" % k.lower(), v) for k, v in environ_variables]))
|
||
|
|
|
||
|
|
return atoms
|
||
|
|
|
||
|
|
def access(self, resp, req, environ, request_time):
|
||
|
|
""" See http://httpd.apache.org/docs/2.0/logs.html#combined
|
||
|
|
for format details
|
||
|
|
"""
|
||
|
|
|
||
|
|
if not (self.cfg.accesslog or self.cfg.logconfig or
|
||
|
|
self.cfg.logconfig_dict or
|
||
|
|
(self.cfg.syslog and not self.cfg.disable_access_log_redirection)):
|
||
|
|
return
|
||
|
|
|
||
|
|
# wrap atoms:
|
||
|
|
# - make sure atoms will be test case insensitively
|
||
|
|
# - if atom doesn't exist replace it by '-'
|
||
|
|
safe_atoms = self.atoms_wrapper_class(self.atoms(resp, req, environ,
|
||
|
|
request_time))
|
||
|
|
|
||
|
|
try:
|
||
|
|
self.access_log.info(self.cfg.access_log_format, safe_atoms)
|
||
|
|
except:
|
||
|
|
self.error(traceback.format_exc())
|
||
|
|
|
||
|
|
def now(self):
|
||
|
|
""" return date in Apache Common Log Format """
|
||
|
|
return time.strftime('[%d/%b/%Y:%H:%M:%S %z]')
|
||
|
|
|
||
|
|
def reopen_files(self):
|
||
|
|
if self.cfg.capture_output and self.cfg.errorlog != "-":
|
||
|
|
for stream in sys.stdout, sys.stderr:
|
||
|
|
stream.flush()
|
||
|
|
|
||
|
|
with self.lock:
|
||
|
|
if self.logfile is not None:
|
||
|
|
self.logfile.close()
|
||
|
|
self.logfile = open(self.cfg.errorlog, 'a+')
|
||
|
|
os.dup2(self.logfile.fileno(), sys.stdout.fileno())
|
||
|
|
os.dup2(self.logfile.fileno(), sys.stderr.fileno())
|
||
|
|
|
||
|
|
|
||
|
|
for log in loggers():
|
||
|
|
for handler in log.handlers:
|
||
|
|
if isinstance(handler, logging.FileHandler):
|
||
|
|
handler.acquire()
|
||
|
|
try:
|
||
|
|
if handler.stream:
|
||
|
|
handler.close()
|
||
|
|
handler.stream = handler._open()
|
||
|
|
finally:
|
||
|
|
handler.release()
|
||
|
|
|
||
|
|
def close_on_exec(self):
|
||
|
|
for log in loggers():
|
||
|
|
for handler in log.handlers:
|
||
|
|
if isinstance(handler, logging.FileHandler):
|
||
|
|
handler.acquire()
|
||
|
|
try:
|
||
|
|
if handler.stream:
|
||
|
|
util.close_on_exec(handler.stream.fileno())
|
||
|
|
finally:
|
||
|
|
handler.release()
|
||
|
|
|
||
|
|
def _get_gunicorn_handler(self, log):
|
||
|
|
for h in log.handlers:
|
||
|
|
if getattr(h, "_gunicorn", False):
|
||
|
|
return h
|
||
|
|
|
||
|
|
def _set_handler(self, log, output, fmt, stream=None):
|
||
|
|
# remove previous gunicorn log handler
|
||
|
|
h = self._get_gunicorn_handler(log)
|
||
|
|
if h:
|
||
|
|
log.handlers.remove(h)
|
||
|
|
|
||
|
|
if output is not None:
|
||
|
|
if output == "-":
|
||
|
|
h = logging.StreamHandler(stream)
|
||
|
|
else:
|
||
|
|
util.check_is_writeable(output)
|
||
|
|
h = logging.FileHandler(output)
|
||
|
|
# make sure the user can reopen the file
|
||
|
|
try:
|
||
|
|
os.chown(h.baseFilename, self.cfg.user, self.cfg.group)
|
||
|
|
except OSError:
|
||
|
|
# it's probably OK there, we assume the user has given
|
||
|
|
# /dev/null as a parameter.
|
||
|
|
pass
|
||
|
|
|
||
|
|
h.setFormatter(fmt)
|
||
|
|
h._gunicorn = True
|
||
|
|
log.addHandler(h)
|
||
|
|
|
||
|
|
def _set_syslog_handler(self, log, cfg, fmt, name):
|
||
|
|
# setup format
|
||
|
|
if not cfg.syslog_prefix:
|
||
|
|
prefix = cfg.proc_name.replace(":", ".")
|
||
|
|
else:
|
||
|
|
prefix = cfg.syslog_prefix
|
||
|
|
|
||
|
|
prefix = "gunicorn.%s.%s" % (prefix, name)
|
||
|
|
|
||
|
|
# set format
|
||
|
|
fmt = logging.Formatter(r"%s: %s" % (prefix, fmt))
|
||
|
|
|
||
|
|
# syslog facility
|
||
|
|
try:
|
||
|
|
facility = SYSLOG_FACILITIES[cfg.syslog_facility.lower()]
|
||
|
|
except KeyError:
|
||
|
|
raise RuntimeError("unknown facility name")
|
||
|
|
|
||
|
|
# parse syslog address
|
||
|
|
socktype, addr = parse_syslog_address(cfg.syslog_addr)
|
||
|
|
|
||
|
|
# finally setup the syslog handler
|
||
|
|
if sys.version_info >= (2, 7):
|
||
|
|
h = logging.handlers.SysLogHandler(address=addr,
|
||
|
|
facility=facility, socktype=socktype)
|
||
|
|
else:
|
||
|
|
# socktype is only supported in 2.7 and sup
|
||
|
|
# fix issue #541
|
||
|
|
h = logging.handlers.SysLogHandler(address=addr,
|
||
|
|
facility=facility)
|
||
|
|
|
||
|
|
h.setFormatter(fmt)
|
||
|
|
h._gunicorn = True
|
||
|
|
log.addHandler(h)
|
||
|
|
|
||
|
|
def _get_user(self, environ):
|
||
|
|
user = None
|
||
|
|
http_auth = environ.get("HTTP_AUTHORIZATION")
|
||
|
|
if http_auth and http_auth.startswith('Basic'):
|
||
|
|
auth = http_auth.split(" ", 1)
|
||
|
|
if len(auth) == 2:
|
||
|
|
try:
|
||
|
|
# b64decode doesn't accept unicode in Python < 3.3
|
||
|
|
# so we need to convert it to a byte string
|
||
|
|
auth = base64.b64decode(auth[1].strip().encode('utf-8'))
|
||
|
|
if PY3: # b64decode returns a byte string in Python 3
|
||
|
|
auth = auth.decode('utf-8')
|
||
|
|
auth = auth.split(":", 1)
|
||
|
|
except (TypeError, binascii.Error, UnicodeDecodeError) as exc:
|
||
|
|
self.debug("Couldn't get username: %s", exc)
|
||
|
|
return user
|
||
|
|
if len(auth) == 2:
|
||
|
|
user = auth[0]
|
||
|
|
return user
|