/usr/lib/python3.5/dist-packages/azurelinuxagent/logger.py is in walinuxagent 2.1.3-0ubuntu4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | # Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and openssl_bin 1.0+
#
# Implements parts of RFC 2131, 1541, 1497 and
# http://msdn.microsoft.com/en-us/library/cc227282%28PROT.10%29.aspx
# http://msdn.microsoft.com/en-us/library/cc227259%28PROT.13%29.aspx
"""
Log utils
"""
import os
import sys
from azurelinuxagent.future import ustr
from datetime import datetime
class Logger(object):
"""
Logger class
"""
def __init__(self, logger=None, prefix=None):
self.appenders = []
if logger is not None:
self.appenders.extend(logger.appenders)
self.prefix = prefix
def verb(self, msg_format, *args):
self.log(LogLevel.VERBOSE, msg_format, *args)
def info(self, msg_format, *args):
self.log(LogLevel.INFO, msg_format, *args)
def warn(self, msg_format, *args):
self.log(LogLevel.WARNING, msg_format, *args)
def error(self, msg_format, *args):
self.log(LogLevel.ERROR, msg_format, *args)
def log(self, level, msg_format, *args):
#if msg_format is not unicode convert it to unicode
if type(msg_format) is not ustr:
msg_format = ustr(msg_format, errors="backslashreplace")
if len(args) > 0:
msg = msg_format.format(*args)
else:
msg = msg_format
time = datetime.now().strftime(u'%Y/%m/%d %H:%M:%S.%f')
level_str = LogLevel.STRINGS[level]
if self.prefix is not None:
log_item = u"{0} {1} {2} {3}\n".format(time, level_str, self.prefix,
msg)
else:
log_item = u"{0} {1} {2}\n".format(time, level_str, msg)
log_item = ustr(log_item.encode('ascii', "backslashreplace"),
encoding="ascii")
for appender in self.appenders:
appender.write(level, log_item)
def add_appender(self, appender_type, level, path):
appender = _create_logger_appender(appender_type, level, path)
self.appenders.append(appender)
class ConsoleAppender(object):
def __init__(self, level, path):
self.level = LogLevel.INFO
if level >= LogLevel.INFO:
self.level = level
self.path = path
def write(self, level, msg):
if self.level <= level:
try:
with open(self.path, "w") as console:
console.write(msg)
except IOError:
pass
class FileAppender(object):
def __init__(self, level, path):
self.level = level
self.path = path
def write(self, level, msg):
if self.level <= level:
try:
with open(self.path, "a+") as log_file:
log_file.write(msg)
except IOError:
pass
class StdoutAppender(object):
def __init__(self, level):
self.level = level
def write(self, level, msg):
if self.level <= level:
try:
sys.stdout.write(msg)
except IOError:
pass
#Initialize logger instance
DEFAULT_LOGGER = Logger()
class LogLevel(object):
VERBOSE = 0
INFO = 1
WARNING = 2
ERROR = 3
STRINGS = [
"VERBOSE",
"INFO",
"WARNING",
"ERROR"
]
class AppenderType(object):
FILE = 0
CONSOLE = 1
STDOUT = 2
def add_logger_appender(appender_type, level=LogLevel.INFO, path=None):
DEFAULT_LOGGER.add_appender(appender_type, level, path)
def verb(msg_format, *args):
DEFAULT_LOGGER.verb(msg_format, *args)
def info(msg_format, *args):
DEFAULT_LOGGER.info(msg_format, *args)
def warn(msg_format, *args):
DEFAULT_LOGGER.warn(msg_format, *args)
def error(msg_format, *args):
DEFAULT_LOGGER.error(msg_format, *args)
def log(level, msg_format, *args):
DEFAULT_LOGGER.log(level, msg_format, args)
def _create_logger_appender(appender_type, level=LogLevel.INFO, path=None):
if appender_type == AppenderType.CONSOLE:
return ConsoleAppender(level, path)
elif appender_type == AppenderType.FILE:
return FileAppender(level, path)
elif appender_type == AppenderType.STDOUT:
return StdoutAppender(level)
else:
raise ValueError("Unknown appender type")
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