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# ============LICENSE_START=======================================================)
# org.onap.dcae
# ================================================================================
# Copyright (c) 2018 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.
#
"""
"""
__docformat__ = 'restructuredtext'
# basics
import datetime
import errno
import inspect
import json
import logging
import logging.handlers
import os
import sys
import string
import time
import traceback
import unicodedata
# dcae_snmptrap
import trapd_settings as tds
from trapd_logging import ecomp_logger, stdout_logger
from trapd_exit import cleanup_and_exit
prog_name = os.path.basename(__file__)
# # # # # # # # # # # # # # # # # # #
# fx: roll_all_logs -> roll all logs to timestamped backup
# # # # # # # # # # ## # # # # # # #
def roll_all_logs():
"""
roll all active logs to timestamped version, open new one
based on frequency defined in files.roll_frequency
"""
# first roll all the eelf files
# NOTE: this will go away when onap logging is standardized/available
try:
# open various ecomp logs - if any fails, exit
for fd in [tds.eelf_error_fd, tds.eelf_debug_fd, tds.eelf_audit_fd,
tds.eelf_metrics_fd, tds.arriving_traps_fd, tds.json_traps_fd]:
fd.close()
roll_file(tds.eelf_error_file_name)
roll_file(tds.eelf_debug_file_name)
roll_file(tds.eelf_audit_file_name)
roll_file(tds.eelf_metrics_file_name)
except Exception as e:
msg = "Error closing logs: " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
reopened_successfully = open_eelf_logs()
if not reopened_successfully:
msg = "Error re-opening EELF logs during roll-over to timestamped versions - EXITING"
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
# json log
roll_file(tds.json_traps_filename)
try:
tds.json_traps_fd = open_file(tds.json_traps_filename)
except Exception as e:
msg = ("Error opening json_log %s : %s" %
(json_traps_filename, str(e)))
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
# arriving trap log
roll_file(tds.arriving_traps_filename)
try:
tds.arriving_traps_fd = open_file(tds.arriving_traps_filename)
except Exception as e:
msg = ("Error opening arriving traps %s : %s" %
(arriving_traps_filename, str(e)))
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
# # # # # # # # # # # # # # # # # # #
# fx: setup_ecomp_logs -> log in eelf format until standard
# is released for python via LOG-161
# # # # # # # # # # ## # # # # # # #
def open_eelf_logs():
"""
open various (multiple ???) logs
"""
try:
# open various ecomp logs - if any fails, exit
tds.eelf_error_file_name = (
tds.c_config['files.eelf_base_dir'] + "/" + tds.c_config['files.eelf_error'])
tds.eelf_error_fd = open_file(tds.eelf_error_file_name)
except Exception as e:
msg = "Error opening eelf error log : " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
try:
tds.eelf_debug_file_name = (
tds.c_config['files.eelf_base_dir'] + "/" + tds.c_config['files.eelf_debug'])
tds.eelf_debug_fd = open_file(tds.eelf_debug_file_name)
except Exception as e:
msg = "Error opening eelf debug log : " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
try:
tds.eelf_audit_file_name = (
tds.c_config['files.eelf_base_dir'] + "/" + tds.c_config['files.eelf_audit'])
tds.eelf_audit_fd = open_file(tds.eelf_audit_file_name)
except Exception as e:
msg = "Error opening eelf audit log : " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
try:
tds.eelf_metrics_file_name = (
tds.c_config['files.eelf_base_dir'] + "/" + tds.c_config['files.eelf_metrics'])
tds.eelf_metrics_fd = open_file(tds.eelf_metrics_file_name)
except Exception as e:
msg = "Error opening eelf metric log : " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
return True
# # # # # # # # # # # # # # # # # # #
# fx: roll_log_file -> move provided filename to timestamped version
# # # # # # # # # # ## # # # # # # #
def roll_file(_loc_file_name):
"""
move active file to timestamped archive
"""
_file_name_suffix = "%s" % (datetime.datetime.fromtimestamp(time.time()).
fromtimestamp(time.time()).
strftime('%Y-%m-%dT%H:%M:%S'))
_loc_file_name_bak = _loc_file_name + '.' + _file_name_suffix
# roll existing file if present
if os.path.isfile(_loc_file_name):
try:
os.rename(_loc_file_name, _loc_file_name_bak)
except Exception as e:
_msg = ("ERROR: Unable to rename %s to %s"
% (_loc_file_name,
_loc_file_name_bak))
ecomp_logger(tds.LOG_TYPE_ERROR, tds.SEV_CRIT,
tds.CODE_GENERAL, _msg)
# # # # # # # # # # # # #
# fx: open_log_file
# # # # # # # # # # # # #
def open_file(_loc_file_name):
"""
open _loc_file_name, return file handle
"""
try:
# open append mode just in case so nothing is lost, but should be
# non-existent file
_loc_fd = open(_loc_file_name, 'a')
return _loc_fd
except Exception as e:
msg = "Error opening " + _loc_file_name + " append mode - " + str(e)
stdout_logger(msg)
cleanup_and_exit(1, tds.pid_file_name)
# # # # # # # # # # # # #
# fx: close_file
# # # # # # # # # # # # #
"""
close _loc_file_name, return True with success, False otherwise
"""
def close_file(_loc_fd, _loc_filename):
try:
_loc_fd.close()
return True
except Exception as e:
msg = "Error closing %s : %s - results indeterminate" % (
_loc_filename, str(e))
ecomp_logger(tds.LOG_TYPE_ERROR, tds.SEV_FATAL, tds.CODE_GENERAL, msg)
return False
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