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Diffstat (limited to 'oti/event-handler/otihandler/onap/CommonLogger.py')
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diff --git a/oti/event-handler/otihandler/onap/CommonLogger.py b/oti/event-handler/otihandler/onap/CommonLogger.py new file mode 100644 index 0000000..644534d --- /dev/null +++ b/oti/event-handler/otihandler/onap/CommonLogger.py @@ -0,0 +1,958 @@ +#!/usr/bin/python +# -*- indent-tabs-mode: nil -*- vi: set expandtab: + +# ================================================================================ +# Copyright (c) 2019-2020 AT&T Intellectual Property. All rights reserved. +# ================================================================================ +# 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. +# ============LICENSE_END========================================================= + +""" Common Logging library in Python. + +CommonLogger.py + +Original Written by: Terry Schmalzried +Date written: October 1, 2015 +Last updated: December 1, 2016 + +version 0.8 +""" + +import os +import logging +import logging.handlers +import re +import socket +import sys +import threading +import time + + +class CommonLogger: + """ Common Logging object. + + Public methods: + __init__ + setFields + debug + info + warn + error + fatal + """ + + UnknownFile = -1 + ErrorFile = 0 + DebugFile = 1 + AuditFile = 2 + MetricsFile = 3 + DateFmt = '%Y-%m-%dT%H:%M:%S' + verbose = False + + def __init__(self, configFile, logKey, **kwargs): + """Construct a Common Logger for one Log File. + + Arguments: + configFile -- configuration filename. + logKey -- the keyword in configFile that identifies the log filename. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages, + one of CommonLogger.ErrorFile, CommonLogger.DebugFile, + CommonLogger.AuditFile and CommonLogger.MetricsFile, or + one of the strings "error", "debug", "audit" or "metrics". + May also be set in the config file using a field named + <logKey>Style (where <logKey> is the value of the logKey + parameter). The keyword value overrides the value in the + config file. + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._monitorFlag = False + + # Get configuration parameters + self._logKey = str(logKey) + self._configFile = str(configFile) + self._rotateMethod = 'time' + self._timeRotateIntervalType = 'midnight' + self._timeRotateInterval = 1 + self._sizeMaxBytes = 0 + self._sizeRotateMode = 'a' + self._socketHost = None + self._socketPort = 0 + self._typeLogger = 'filelogger' + self._backupCount = 6 + self._logLevelThreshold = self._intLogLevel('') + self._logFile = None + self._begTime = None + self._begMsec = 0 + self._fields = {} + self._fields["style"] = CommonLogger.UnknownFile + try: + self._configFileModified = os.path.getmtime(self._configFile) + for line in open(self._configFile): + line = line.split('#',1)[0] # remove comments + if '=' in line: + key, value = [x.strip() for x in line.split('=',1)] + if key == 'rotateMethod' and value.lower() in ['time', 'size', 'none']: + self._rotateMethod = value.lower() + elif key == 'timeRotateIntervalType' and value in ['S', 'M', 'H', 'D', 'W0', 'W1', 'W2', 'W3', 'W4', 'W5', 'W6', 'midnight']: + self._timeRotateIntervalType = value + elif key == 'timeRotateInterval' and int( value ) > 0: + self._timeRotateInterval = int( value ) + elif key == 'sizeMaxBytes' and int( value ) >= 0: + self._sizeMaxBytes = int( value ) + elif key == 'sizeRotateMode' and value in ['a']: + self._sizeRotateMode = value + elif key == 'backupCount' and int( value ) >= 0: + self._backupCount = int( value ) + elif key == self._logKey + 'SocketHost': + self._socketHost = value + elif key == self._logKey + 'SocketPort' and int( value ) == 0: + self._socketPort = int( value ) + elif key == self._logKey + 'LogType' and value.lower() in ['filelogger', 'stdoutlogger', 'stderrlogger', 'socketlogger', 'nulllogger']: + self._typeLogger = value.lower() + elif key == self._logKey + 'LogLevel': + self._logLevelThreshold = self._intLogLevel(value.upper()) + elif key == self._logKey + 'Style': + self._fields["style"] = value + elif key == self._logKey: + self._logFile = value + except Exception as x: + print("exception reading '%s' configuration file: %s" %(self._configFile, str(x))) + sys.exit(2) + except: + print("exception reading '%s' configuration file" %(self._configFile)) + sys.exit(2) + + if self._logFile is None: + print('configuration file %s is missing definition %s for log file' %(self._configFile, self._logKey)) + sys.exit(2) + + + # initialize default log fields + # timestamp will automatically be generated + for key in ['style', 'requestID', 'serviceInstanceID', 'threadID', 'serverName', 'serviceName', 'instanceUUID', \ + 'severity', 'serverIPAddress', 'server', 'IPAddress', 'className', 'timer', \ + 'partnerName', 'targetEntity', 'targetServiceName', 'statusCode', 'responseCode', \ + 'responseDescription', 'processKey', 'targetVirtualEntity', 'customField1', \ + 'customField2', 'customField3', 'customField4', 'errorCategory', 'errorCode', \ + 'errorDescription' ]: + if key in kwargs and kwargs[key] != None: + self._fields[key] = kwargs[key] + + self._resetStyleField() + + # Set up logger + self._logLock = threading.Lock() + with self._logLock: + self._logger = logging.getLogger(self._logKey) + self._logger.propagate = False + self._createLogger() + + self._defaultServerInfo() + + # spawn a thread to monitor configFile for logLevel and logFile changes + self._monitorFlag = True + self._monitorThread = threading.Thread(target=self._monitorConfigFile, args=()) + self._monitorThread.daemon = True + self._monitorThread.start() + + + def _createLogger(self): + if self._typeLogger == 'filelogger': + self._mkdir_p(self._logFile) + if self._rotateMethod == 'time': + self._logHandler = logging.handlers.TimedRotatingFileHandler(self._logFile, \ + when=self._timeRotateIntervalType, interval=self._timeRotateInterval, \ + backupCount=self._backupCount, encoding=None, delay=False, utc=True) + elif self._rotateMethod == 'size': + self._logHandler = logging.handlers.RotatingFileHandler(self._logFile, \ + mode=self._sizeRotateMode, maxBytes=self._sizeMaxBytes, \ + backupCount=self._backupCount, encoding=None, delay=False) + + else: + self._logHandler = logging.handlers.WatchedFileHandler(self._logFile, \ + mode=self._sizeRotateMode, \ + encoding=None, delay=False) + elif self._typeLogger == 'stderrlogger': + self._logHandler = logging.handlers.StreamHandler(sys.stderr) + elif self._typeLogger == 'stdoutlogger': + self._logHandler = logging.handlers.StreamHandler(sys.stdout) + elif self._typeLogger == 'socketlogger': + self._logHandler = logging.handlers.SocketHandler(self._socketHost, self._socketPort) + elif self._typeLogger == 'nulllogger': + self._logHandler = logging.handlers.NullHandler() + + if self._fields["style"] == CommonLogger.AuditFile or self._fields["style"] == CommonLogger.MetricsFile: + self._logFormatter = logging.Formatter(fmt='%(begtime)s,%(begmsecs)03d+00:00|%(endtime)s,%(endmsecs)03d+00:00|%(message)s', datefmt=CommonLogger.DateFmt) + else: + self._logFormatter = logging.Formatter(fmt='%(asctime)s,%(msecs)03d+00:00|%(message)s', datefmt='%Y-%m-%dT%H:%M:%S') + self._logFormatter.converter = time.gmtime + self._logHandler.setFormatter(self._logFormatter) + self._logger.addHandler(self._logHandler) + + def _resetStyleField(self): + styleFields = ["error", "debug", "audit", "metrics"] + if self._fields['style'] in styleFields: + self._fields['style'] = styleFields.index(self._fields['style']) + + def __del__(self): + if not self._monitorFlag: + return + + self._monitorFlag = False + + if self._monitorThread is not None and self._monitorThread.is_alive(): + self._monitorThread.join() + + self._monitorThread = None + + + def _defaultServerInfo(self): + + # If not set or purposely set = None, then set default + if self._fields.get('server') is None: + try: + self._fields['server'] = socket.getfqdn() + except Exception as err: + try: + self._fields['server'] = socket.gethostname() + except Exception as err: + self._fields['server'] = "" + + # If not set or purposely set = None, then set default + if self._fields.get('serverIPAddress') is None: + try: + self._fields['serverIPAddress'] = socket.gethostbyname(self._fields['server']) + except Exception as err: + self._fields['serverIPAddress'] = "" + + + def _monitorConfigFile(self): + while self._monitorFlag: + try: + fileTime = os.path.getmtime(self._configFile) + if fileTime > self._configFileModified: + self._configFileModified = fileTime + ReopenLogFile = False + logFile = self._logFile + with open(self._configFile) as fp: + for line in fp: + line = line.split('#',1)[0] # remove comments + if '=' in line: + key, value = [x.strip() for x in line.split('=',1)] + if key == 'rotateMethod' and value.lower() in ['time', 'size', 'none'] and self._rotateMethod != value: + self._rotateMethod = value.lower() + ReopenLogFile = True + elif key == 'timeRotateIntervalType' and value in ['S', 'M', 'H', 'D', 'W0', 'W1', 'W2', 'W3', 'W4', 'W5', 'W6', 'midnight']: + self._timeRotateIntervalType = value + ReopenLogFile = True + elif key == 'timeRotateInterval' and int( value ) > 0: + self._timeRotateInterval = int( value ) + ReopenLogFile = True + elif key == 'sizeMaxBytes' and int( value ) >= 0: + self._sizeMaxBytes = int( value ) + ReopenLogFile = True + elif key == 'sizeRotateMode' and value in ['a']: + self._sizeRotateMode = value + ReopenLogFile = True + elif key == 'backupCount' and int( value ) >= 0: + self._backupCount = int( value ) + ReopenLogFile = True + elif key == self._logKey + 'SocketHost' and self._socketHost != value: + self._socketHost = value + ReopenLogFile = True + elif key == self._logKey + 'SocketPort' and self._socketPort > 0 and self._socketPort != int( value ): + self._socketPort = int( value ) + ReopenLogFile = True + elif key == self._logKey + 'LogLevel' and self._logLevelThreshold != self._intLogLevel( value.upper() ): + self._logLevelThreshold = self._intLogLevel(value.upper()) + elif key == self._logKey + 'LogType' and self._typeLogger != value and value.lower() in ['filelogger', 'stdoutlogger', 'stderrlogger', 'socketlogger', 'nulllogger']: + self._typeLogger = value.lower() + ReopenLogFile = True + elif key == self._logKey + 'Style': + self._fields["style"] = value + self._resetStyleField() + elif key == self._logKey and self._logFile != value: + logFile = value + ReopenLogFile = True + if ReopenLogFile: + with self._logLock: + self._logger.removeHandler(self._logHandler) + self._logFile = logFile + self._createLogger() + except Exception as err: + pass + + time.sleep(5) + + + def setFields(self, **kwargs): + """Set default values for log fields. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + for key in ['style', 'requestID', 'serviceInstanceID', 'threadID', 'serverName', 'serviceName', 'instanceUUID', \ + 'severity', 'serverIPAddress', 'server', 'IPAddress', 'className', 'timer', \ + 'partnerName', 'targetEntity', 'targetServiceName', 'statusCode', 'responseCode', \ + 'responseDescription', 'processKey', 'targetVirtualEntity', 'customField1', \ + 'customField2', 'customField3', 'customField4', 'errorCategory', 'errorCode', \ + 'errorDescription' ]: + if key in kwargs: + if kwargs[key] != None: + self._fields[key] = kwargs[key] + elif key in self._fields: + del self._fields[key] + + self._defaultServerInfo() + + + def debug(self, message, **kwargs): + """Write a DEBUG level message to the log file. + + Arguments: + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._log('DEBUG', message, errorCategory = 'DEBUG', **kwargs) + + def info(self, message, **kwargs): + """Write an INFO level message to the log file. + + Arguments: + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._log('INFO', message, errorCategory = 'INFO', **kwargs) + + def warn(self, message, **kwargs): + """Write a WARN level message to the log file. + + Arguments: + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._log('WARN', message, errorCategory = 'WARN', **kwargs) + + def error(self, message, **kwargs): + """Write an ERROR level message to the log file. + + Arguments: + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._log('ERROR', message, errorCategory = 'ERROR', **kwargs) + + def fatal(self, message, **kwargs): + """Write a FATAL level message to the log file. + + Arguments: + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + self._log('FATAL', message, errorCategory = 'FATAL', **kwargs) + + def _log(self, logLevel, message, **kwargs): + """Write a message to the log file. + + Arguments: + logLevel -- value ('DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL', ...) for the log record. + message -- value for the last log record field. + + Keyword arguments: Annotations are d:debug, a=audit, m=metrics, e=error + style -- the log file format (style) to use when writing log messages + requestID (dame) -- optional default value for this log record field. + serviceInstanceID (am) -- optional default value for this log record field. + threadID (am) -- optional default value for this log record field. + serverName (am) -- optional default value for this log record field. + serviceName (am) -- optional default value for this log record field. + instanceUUID (am) -- optional default value for this log record field. + severity (am) -- optional default value for this log record field. + serverIPAddress (am) -- optional default value for this log record field. + server (am) -- optional default value for this log record field. + IPAddress (am) -- optional default value for this log record field. + className (am) -- optional default value for this log record field. + timer (am) -- (ElapsedTime) optional default value for this log record field. + partnerName (ame) -- optional default value for this log record field. + targetEntity (me) -- optional default value for this log record field. + targetServiceName (me) -- optional default value for this log record field. + statusCode (am) -- optional default value for this log record field. + responseCode (am) -- optional default value for this log record field. + responseDescription (am) -- optional default value for this log record field. + processKey (am) -- optional default value for this log record field. + targetVirtualEntity (m) -- optional default value for this log record field. + customField1 (am) -- optional default value for this log record field. + customField2 (am) -- optional default value for this log record field. + customField3 (am) -- optional default value for this log record field. + customField4 (am) -- optional default value for this log record field. + errorCategory (e) -- optional default value for this log record field. + errorCode (e) -- optional default value for this log record field. + errorDescription (e) -- optional default value for this log record field. + begTime (am) -- optional starting time for this audit/metrics log record. + + Note: the pipe '|' character is not allowed in any log record field. + """ + + # timestamp will automatically be inserted + style = int(self._getVal('style', '', **kwargs)) + requestID = self._getVal('requestID', '', **kwargs) + serviceInstanceID = self._getVal('serviceInstanceID', '', **kwargs) + threadID = self._getVal('threadID', threading.currentThread().getName(), **kwargs) + serverName = self._getVal('serverName', '', **kwargs) + serviceName = self._getVal('serviceName', '', **kwargs) + instanceUUID = self._getVal('instanceUUID', '', **kwargs) + upperLogLevel = self._noSep(logLevel.upper()) + severity = self._getVal('severity', '', **kwargs) + serverIPAddress = self._getVal('serverIPAddress', '', **kwargs) + server = self._getVal('server', '', **kwargs) + IPAddress = self._getVal('IPAddress', '', **kwargs) + className = self._getVal('className', '', **kwargs) + timer = self._getVal('timer', '', **kwargs) + partnerName = self._getVal('partnerName', '', **kwargs) + targetEntity = self._getVal('targetEntity', '', **kwargs) + targetServiceName = self._getVal('targetServiceName', '', **kwargs) + statusCode = self._getVal('statusCode', '', **kwargs) + responseCode = self._getVal('responseCode', '', **kwargs) + responseDescription = self._noSep(self._getVal('responseDescription', '', **kwargs)) + processKey = self._getVal('processKey', '', **kwargs) + targetVirtualEntity = self._getVal('targetVirtualEntity', '', **kwargs) + customField1 = self._getVal('customField1', '', **kwargs) + customField2 = self._getVal('customField2', '', **kwargs) + customField3 = self._getVal('customField3', '', **kwargs) + customField4 = self._getVal('customField4', '', **kwargs) + errorCategory = self._getVal('errorCategory', '', **kwargs) + errorCode = self._getVal('errorCode', '', **kwargs) + errorDescription = self._noSep(self._getVal('errorDescription', '', **kwargs)) + nbegTime = self._getArg('begTime', {}, **kwargs) + + detailMessage = self._noSep(message) + if bool(re.match(r" *$", detailMessage)): + return # don't log empty messages + + useLevel = self._intLogLevel(upperLogLevel) + if CommonLogger.verbose: print("logger STYLE=%s" % style) + if useLevel < self._logLevelThreshold: + if CommonLogger.verbose: print("skipping because of level") + pass + else: + with self._logLock: + if style == CommonLogger.ErrorFile: + if CommonLogger.verbose: print("using CommonLogger.ErrorFile") + self._logger.log(50, '%s|%s|%s|%s|%s|%s|%s|%s|%s|%s' \ + %(requestID, threadID, serviceName, partnerName, targetEntity, targetServiceName, + errorCategory, errorCode, errorDescription, detailMessage)) + elif style == CommonLogger.DebugFile: + if CommonLogger.verbose: print("using CommonLogger.DebugFile") + self._logger.log(50, '%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s' \ + %(requestID, threadID, serverName, serviceName, instanceUUID, upperLogLevel, + severity, serverIPAddress, server, IPAddress, className, timer, detailMessage)) + elif style == CommonLogger.AuditFile: + if CommonLogger.verbose: print("using CommonLogger.AuditFile") + endAuditTime, endAuditMsec = self._getTime() + if type(nbegTime) is dict and 'begTime' in nbegTime and 'begMsec' in nbegTime: + d = { 'begtime': self._noSep(nbegTime['begTime']), 'begmsecs': float(self._noSep(nbegTime['begMsec'])), 'endtime': endAuditTime, 'endmsecs': endAuditMsec } + elif self._begTime is not None: + d = { 'begtime': self._begTime, 'begmsecs': self._begMsec, 'endtime': endAuditTime, 'endmsecs': endAuditMsec } + else: + d = { 'begtime': endAuditTime, 'begmsecs': endAuditMsec, 'endtime': endAuditTime, 'endmsecs': endAuditMsec } + self._begTime = None + unused = "" + self._logger.log(50, '%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s' \ + %(requestID, serviceInstanceID, threadID, serverName, serviceName, partnerName, + statusCode, responseCode, responseDescription, instanceUUID, upperLogLevel, + severity, serverIPAddress, timer, server, IPAddress, className, unused, + processKey, customField1, customField2, customField3, customField4, detailMessage), extra=d) + elif style == CommonLogger.MetricsFile: + if CommonLogger.verbose: print("using CommonLogger.MetricsFile") + endMetricsTime, endMetricsMsec = self._getTime() + if type(nbegTime) is dict and 'begTime' in nbegTime and 'begMsec' in nbegTime: + d = { 'begtime': self._noSep(nbegTime['begTime']), 'begmsecs': float(self._noSep(nbegTime['begMsec'])), 'endtime': endMetricsTime, 'endmsecs': endMetricsMsec } + elif self._begTime is not None: + d = { 'begtime': self._begTime, 'begmsecs': self._begMsec, 'endtime': endMetricsTime, 'endmsecs': endMetricsMsec } + else: + d = { 'begtime': endMetricsTime, 'begmsecs': endMetricsMsec, 'endtime': endMetricsTime, 'endmsecs': endMetricsMsec } + self._begTime = None + unused = "" + self._logger.log(50, '%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s|%s' \ + %(requestID, serviceInstanceID, threadID, serverName, serviceName, partnerName, + targetEntity, targetServiceName, statusCode, responseCode, responseDescription, + instanceUUID, upperLogLevel, severity, serverIPAddress, timer, server, IPAddress, + className, unused, processKey, targetVirtualEntity, customField1, customField2, + customField3, customField4, detailMessage), extra=d) + else: + print("!!!!!!!!!!!!!!!! style not set: %s" % self._fields["style"]) + + def _getTime(self): + ct = time.time() + lt = time.localtime(ct) + return (time.strftime(CommonLogger.DateFmt, lt), (ct - int(ct)) * 1000) + + def setStartRecordEvent(self): + """ + Set the start time to be saved for both audit and metrics records + """ + self._begTime, self._begMsec = self._getTime() + + def getStartRecordEvent(self): + """ + Retrieve the start time to be used for either audit and metrics records + """ + begTime, begMsec = self._getTime() + return {'begTime':begTime, 'begMsec':begMsec} + + def _getVal(self, key, default, **kwargs): + val = self._fields.get(key) + if key in kwargs: val = kwargs[key] + if val is None: val = default + return self._noSep(val) + + def _getArg(self, key, default, **kwargs): + val = None + if key in kwargs: val = kwargs[key] + if val is None: val = default + return val + + def _noSep(self, message): + if message is None: return '' + return re.sub(r'[\|\n]', ' ', str(message)) + + def _intLogLevel(self, logLevel): + if logLevel == 'FATAL': useLevel = 50 + elif logLevel == 'ERROR': useLevel = 40 + elif logLevel == 'WARN': useLevel = 30 + elif logLevel == 'INFO': useLevel = 20 + elif logLevel == 'DEBUG': useLevel = 10 + else: useLevel = 0 + return useLevel + + def _mkdir_p(self, filename): + """Create missing directories from a full filename path like mkdir -p""" + + if filename is None: + return + + folder=os.path.dirname(filename) + + if folder == "": + return + + if not os.path.exists(folder): + try: + os.makedirs(folder) + except OSError as err: + print("error number %d creating %s directory to hold %s logfile: %s" %(err.errno, err.filename, filename, err.strerror)) + sys.exit(2) + except Exception as err: + print("error creating %s directory to hold %s logfile: %s" %(folder, filename, str(err))) + sys.exit(2) + +if __name__ == "__main__": + + def __checkOneTime(line): + format = r'[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}[+]00:00[|]' + m = re.match(format, line) + if not m: + print("ERROR: time string did not match proper time format, %s" %line) + print("\t: format=%s" % format) + return 1 + return 0 + + def __checkTwoTimes(line, different): + format = r'[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:([0-9]{2}),([0-9]{3})[+]00:00[|][0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:([0-9]{2}),([0-9]{3})[+]00:00[|]' + m = re.match(format, line) + if not m: + print("ERROR: time strings did not match proper time format, %s" %line) + print("\t: format=%s" % format) + return 1 + second1 = int(m.group(1)) + msec1 = int(m.group(2)) + second2 = int(m.group(3)) + msec2 = int(m.group(4)) + if second1 > second2: second2 += 60 + t1 = second1 * 1000 + msec1 + t2 = second2 * 1000 + msec2 + diff = t2 - t1 + # print("t1=%d (%d,%d) t2=%d (%d,%d), diff = %d" % (t1, second1, msec1, t2, second2, msec2, diff)) + if different: + if diff < 500: + print("ERROR: times did not differ enough: %s" % line) + return 1 + else: + if diff > 10: + print("ERROR: times were too far apart: %s" % line) + return 1 + return 0 + + def __checkBegTime(line): + format = "begTime should be ([-0-9T:]+)" + # print("checkBegTime(%s)" % line) + strt = 'begTime should be ' + i = line.index(strt) + rest = line[i+len(strt):].rstrip() + if not line.startswith(rest + ","): + print("ERROR: line %s should start with %s" % (line,rest)) + return 1 + return 0 + + def __checkLog(logfile, numLines, numFields): + lineCount = 0 + errorCount = 0 + with open(logfile, "r") as fp: + for line in fp: + # print("saw line %s" % line) + lineCount += 1 + c = line.count('|') + if c != numFields: + print("ERROR: wrong number of fields. Expected %d, got %d: %s" % (numFields, c, line)) + errorCount += 1 + if re.search("should not appear", line): + print("ERROR: a line appeared that should not have appeared, %s" % line) + errorCount += 1 + elif re.search("single time", line): + errorCount += __checkOneTime(line) + elif re.search("time should be the same", line): + errorCount += __checkTwoTimes(line, different=False) + elif re.search("time should be ", line): + errorCount += __checkTwoTimes(line, different=True) + elif re.search("begTime should be ", line): + errorCount += __checkBegTime(line) + else: + print("ERROR: an unknown message appeared, %s" % line) + errorCount += 1 + + if lineCount != numLines: + print("ERROR: expected %d lines, but got %d lines" % (numLines, lineCount)) + errorCount += 1 + return errorCount + + import os, argparse + parser = argparse.ArgumentParser(description="test the CommonLogger functions") + parser.add_argument("-k", "--keeplogs", help="Keep the log files after finishing the tests", action="store_true") + parser.add_argument("-v", "--verbose", help="Print debugging messages", action="store_true") + args = parser.parse_args() + + spid = str(os.getpid()) + if args.keeplogs: + spid = "" + logcfg = "/tmp/cl.log" + spid + ".cfg" + errorLog = "/tmp/cl.error" + spid + ".log" + metricsLog = "/tmp/cl.metrics" + spid + ".log" + auditLog = "/tmp/cl.audit" + spid + ".log" + debugLog = "/tmp/cl.debug" + spid + ".log" + if args.verbose: CommonLogger.verbose = True + + import atexit + def cleanupTmps(): + for f in [ logcfg, errorLog, metricsLog, auditLog, debugLog ]: + try: + os.remove(f) + except: + pass + if not args.keeplogs: + atexit.register(cleanupTmps) + + with open(logcfg, "w") as o: + o.write("error = " + errorLog + "\n" + + "errorLogLevel = WARN\n" + + "metrics = " + metricsLog + "\n" + + "metricsLogLevel = INFO\n" + + "audit = " + auditLog + "\n" + + "auditLogLevel = INFO\n" + + "debug = " + debugLog + "\n" + + "debugLogLevel = DEBUG\n") + + import uuid + instanceUUID = uuid.uuid1() + serviceName = "testharness" + errorLogger = CommonLogger(logcfg, "error", style=CommonLogger.ErrorFile, instanceUUID=instanceUUID, serviceName=serviceName) + debugLogger = CommonLogger(logcfg, "debug", style=CommonLogger.DebugFile, instanceUUID=instanceUUID, serviceName=serviceName) + auditLogger = CommonLogger(logcfg, "audit", style=CommonLogger.AuditFile, instanceUUID=instanceUUID, serviceName=serviceName) + metricsLogger = CommonLogger(logcfg, "metrics", style=CommonLogger.MetricsFile, instanceUUID=instanceUUID, serviceName=serviceName) + + testsRun = 0 + errorCount = 0 + errorLogger.debug("error calling debug (should not appear)") + errorLogger.info("error calling info (should not appear)") + errorLogger.warn("error calling warn (single time)") + errorLogger.error("error calling error (single time)") + errorLogger.setStartRecordEvent() + time.sleep(1) + errorLogger.fatal("error calling fatal, after setStartRecordEvent and sleep (start should be ignored, single time)") + testsRun += 6 + errorCount += __checkLog(errorLog, 3, 10) + + auditLogger.debug("audit calling debug (should not appear)") + auditLogger.info("audit calling info (time should be the same)") + auditLogger.warn("audit calling warn (time should be the same)") + auditLogger.error("audit calling error (time should be the same)") + bt = auditLogger.getStartRecordEvent() + # print("bt=%s" % bt) + time.sleep(1) + auditLogger.setStartRecordEvent() + time.sleep(1) + auditLogger.fatal("audit calling fatal, after setStartRecordEvent and sleep, time should be different)") + time.sleep(1) + auditLogger.fatal("audit calling fatal, begTime should be %s" % bt['begTime'], begTime=bt) + testsRun += 7 + errorCount += __checkLog(auditLog, 5, 25) + + debugLogger.debug("debug calling debug (single time)") + debugLogger.info("debug calling info (single time)") + debugLogger.warn("debug calling warn (single time)") + debugLogger.setStartRecordEvent() + time.sleep(1) + debugLogger.error("debug calling error, after SetStartRecordEvent and sleep (start should be ignored, single time)") + debugLogger.fatal("debug calling fatal (single time)") + errorCount += __checkLog(debugLog, 5, 13) + testsRun += 6 + + metricsLogger.debug("metrics calling debug (should not appear)") + metricsLogger.info("metrics calling info (time should be the same)") + metricsLogger.warn("metrics calling warn (time should be the same)") + bt = metricsLogger.getStartRecordEvent() + time.sleep(1) + metricsLogger.setStartRecordEvent() + time.sleep(1) + metricsLogger.error("metrics calling error, after SetStartRecordEvent and sleep, time should be different") + metricsLogger.fatal("metrics calling fatal (time should be the same)") + time.sleep(1) + metricsLogger.fatal("metrics calling fatal, begTime should be %s" % bt['begTime'], begTime=bt) + testsRun += 6 + errorCount += __checkLog(metricsLog, 5, 28) + + print("%d tests run, %d errors found" % (testsRun, errorCount)) |