# ============LICENSE_START======================================================= # Copyright (c) 2017-2019 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========================================================= # # ECOMP is a trademark and service mark of AT&T Intellectual Property. import logging from logging.handlers import RotatingFileHandler from os import makedirs import datetime # These loggers will be overwritten with EELF logging when running in Docker _AUDIT_LOGGER = logging.getLogger("defaultlogger") _ERROR_LOGGER = logging.getLogger("defaultlogger") _METRICS_LOGGER = logging.getLogger("defaultlogger") # Set up debug logger DEBUG_LOGGER = logging.getLogger("defaultlogger") handler = logging.StreamHandler() formatter = logging.Formatter("%(asctime)s [%(name)-12s] %(levelname)-8s %(message)s") handler.setFormatter(formatter) DEBUG_LOGGER.addHandler(handler) DEBUG_LOGGER.setLevel(logging.DEBUG) def _create_logger(name, logfile): """ Create a RotatingFileHandler and a streamhandler for stdout https://docs.python.org/3/library/logging.handlers.html what's with the non-pythonic naming in these stdlib methods? Shameful. """ logger = logging.getLogger(name) file_handler = RotatingFileHandler(logfile, maxBytes=10000000, backupCount=2) # 10 meg with one backup.. formatter = logging.Formatter("%(message)s") file_handler.setFormatter(formatter) logger.setLevel("DEBUG") logger.addHandler(file_handler) return logger # Public def get_module_logger(mod_name): """ To use this, do logger = get_module_logger(__name__) """ logger = logging.getLogger(mod_name) handler = logging.StreamHandler() formatter = logging.Formatter("%(asctime)s [%(name)-12s] %(levelname)-8s %(message)s") handler.setFormatter(formatter) logger.addHandler(handler) logger.setLevel(logging.DEBUG) return logger def create_loggers(): """ Public method to set the global logger, launched from Run This is *not* launched during unit testing, so unit tests do not create/write log files """ makedirs("/opt/logs", exist_ok=True) # create the audit log aud_file = "/opt/logs/audit.log" open(aud_file, "a").close() # this is like "touch" global _AUDIT_LOGGER _AUDIT_LOGGER = _create_logger("config_binding_service_audit", aud_file) # create the error log err_file = "/opt/logs/error.log" open(err_file, "a").close() # this is like "touch" global _ERROR_LOGGER _ERROR_LOGGER = _create_logger("config_binding_service_error", err_file) # create the metrics log met_file = "/opt/logs/metrics.log" open(met_file, "a").close() # this is like "touch" global _METRICS_LOGGER _METRICS_LOGGER = _create_logger("config_binding_service_metrics", met_file) def utc(): """gets current time in utc""" return datetime.datetime.utcnow() def audit(raw_request, bts, xer, rcode, calling_mod, msg="n/a"): """ write an EELF audit record per https://wiki.onap.org/download/attachments/1015849/ONAP%20application%20logging%20guidelines.pdf?api=v2 %The audit fields implemented: 1 BeginTimestamp Implemented (bts) 2 EndTimestamp Auto Injected when this is called 3 RequestID Implemented (xer) 5 threadId n/a 7 serviceName Implemented (from Req) 9 StatusCode Auto injected based on rcode 10 ResponseCode Implemented (rcode) 13 Category log level - all audit records are INFO. 15 Server IP address Implemented (from Req) 16 ElapsedTime Auto Injected (milliseconds) 17 Server This is running in a Docker container so this is not applicable, my HOSTNAME is always "config_binding_service" 18 ClientIPaddress Implemented (from Req) 19 class name Implemented (mod), though docs say OOP, I am using the python module here 20 Unused ...implemented.... 21-25 Custom n/a 26 detailMessage Implemented (msg) Not implemented 4 serviceInstanceID - ? 6 physical/virtual server name (Optional) 8 PartnerName - nothing in the request tells me this 11 Response Description - the CBS follows standard HTTP error codes so look them up 12 instanceUUID - Optional 14 Severity (Optional) """ ets = utc() _AUDIT_LOGGER.info( "{bts}|{ets}|{xer}||n/a||{path}||{status}|{rcode}|||INFO||{servip}|{et}|config_binding_service|{clientip}|{calling_mod}|||||||{msg}".format( bts=bts.isoformat(), ets=ets.isoformat(), xer=xer, rcode=rcode, path=raw_request.path.split("/")[1], status="COMPLETE" if rcode < 400 else "ERROR", servip=raw_request.host.split(":")[0], et=int((ets - bts).microseconds / 1000), # supposed to be in milleseconds clientip=raw_request.remote_addr, calling_mod=calling_mod, msg=msg, ) ) def error(raw_request, xer, severity, ecode, tgt_entity="n/a", tgt_path="n/a", msg="n/a", adv_msg="n/a"): """ write an EELF error record per the error fields implemented: 1 Timestamp Auto Injected when this is called 2 RequestID Implemented (xer) 3 ThreadID n/a 4 ServiceName Implemented (from Req) 6 TargetEntity Implemented (tgt_entity) 7 TargetServiceName Implemented (tgt_path)/ 8 ErrorCategory Implemented (severity) 9. ErrorCode Implemented (ecode) 10 ErrorDescription Implemented (msg) 11. detailMessage Implemented (adv_msg) Not implemented: 5 PartnerName - nothing in the request tells me this """ ets = utc() _ERROR_LOGGER.error( "{ets}|{xer}|n/a|{path}||{tge}|{tgp}|{sev}|{ecode}|{msg}|{amsg}".format( ets=ets, xer=xer, path=raw_request.path.split("/")[1], tge=tgt_entity, tgp=tgt_path, sev=severity, ecode=ecode, msg=msg, amsg=adv_msg, ) ) def metrics(raw_request, bts, xer, target, target_path, rcode, calling_mod, msg="n/a"): """ write an EELF metrics record per https://wiki.onap.org/download/attachments/1015849/ONAP%20application%20logging%20guidelines.pdf?api=v2 %The metrics fields implemented: 1 BeginTimestamp Implemented (bts) 2 EndTimestamp Auto Injected when this is called 3 RequestID Implemented (xer) 5 threadId n/a 7 serviceName Implemented (from Req) 9 TargetEntity Implemented (target) 10 TargetServiceName Implemented (target_path) 11 StatusCode Implemented (based on rcode) 12 Response Code Implemented (rcode) 15 Category log level all metrics records are INFO. 17 Server IP address Implemented (from Req) 18 ElapsedTime Auto Injected (milliseconds) 19 Server This is running in a Docker container so this is not applicable, my HOSTNAME is always "config_binding_service" 20 ClientIPaddress Implemented (from Req) 21 class name Implemented (mod), though docs say OOP, I am using the python module here 22 Unused ...implemented.... 24 TargetVirtualEntity n/a 25-28 Custom n/a 29 detailMessage Implemented (msg) Not implemented 4 serviceInstanceID - ? 6 physical/virtual server name (Optional) 8 PartnerName - nothing in the request tells me this 13 Response Description - the CBS follows standard HTTP error codes so look them up 14 instanceUUID - Optional 16 Severity (Optional) 23 ProcessKey - optional """ ets = utc() _METRICS_LOGGER.info( "{bts}|{ets}|{xer}||n/a||{path}||{tge}|{tgp}|{status}|{rcode}|||INFO||{servip}|{et}|config_binding_service|{clientip}|{calling_mod}|||n/a|||||{msg}".format( bts=bts.isoformat(), ets=ets.isoformat(), xer=xer, path=raw_request.path.split("/")[1], tge=target, tgp=target_path, status="COMPLETE" if rcode < 400 else "ERROR", rcode=rcode, servip=raw_request.host.split(":")[0], et=int((ets - bts).microseconds / 1000), # supposed to be in milleseconds clientip=raw_request.remote_addr, calling_mod=calling_mod, msg=msg, ) )