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Diffstat (limited to 'src/dcae_snmptrapd.py')
| -rw-r--r-- | src/dcae_snmptrapd.py | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/src/dcae_snmptrapd.py b/src/dcae_snmptrapd.py deleted file mode 100644 index 77043d8..0000000 --- a/src/dcae_snmptrapd.py +++ /dev/null @@ -1,832 +0,0 @@ -# ============LICENSE_START=======================================================) -# org.onap.dcae -# ================================================================================ -# Copyright (c) 2017-2018 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. -# -""" -dcae_snmptrapd is responsible for SNMP trap receipt and publishing activities. -It's behavior is controlled by several configs, the primary being: - - ../etc/trapd.yaml - -As traps arrive they are decomposed and transformed into a JSON message which -is published to a dmaap instance that has been defined by controller. - -:Parameters: - usage: dcae_snmptrapd.py -c <yaml_conf_file_name> [-v] -:Keywords: - onap dcae snmp trap publish dmaap -""" - -__docformat__ = 'restructuredtext' - -# basics -import argparse -import array -import asyncio -from collections import Counter -import datetime -import errno -import json -import logging -import logging.handlers -import os -import pprint -import requests -import re -import sys -import signal -import string -import socket -import time -import traceback -import unicodedata -import uuid as uuid_mod -import yaml - -# pysnmp -from pysnmp.entity import engine, config -from pysnmp.carrier.asyncio.dgram import udp, udp6 -# from pysnmp.carrier.asyncore.dgram import udp -from pysnmp.entity.rfc3413 import ntfrcv -from pysnmp.proto.api import v2c - -# gen2 controller -from onap_dcae_cbs_docker_client.client import get_config - -# dcae_snmptrap -from trapd_runtime_pid import save_pid, rm_pid -from trapd_yaml_config import read_yaml_config -from trapd_trap_config import read_trap_config -from trapd_dmaap_config import read_dmaap_config -from trapd_exit import cleanup_and_exit -from trapd_http_session import init_session_obj -from trapd_perm_status import log_to_perm_status - -prog_name = os.path.basename(__file__) - -traps_in_second = 0 -last_epoch_second = 0 - -# <dmaap.conf> -dmaap_url = "" -dmaap_user_name = "" -dmaap_p_var = "" -dmaap_stream_id = "" -dmaap_host = "" -# </dmaap.conf> - -# Requests session object -dmaap_requests_session = None -http_headers = {"Content-type": "application/json"} - -# <DNS cache> -# -# dns_cache_ip_to_name -# key [ip address] -> fqdn -# dns_cache_ip_expires -# key [ip address] -> epoch time this entry expires and must be reloaded -dns_cache_ip_to_name = {} -dns_cache_ip_expires = {} -# </DNS cache> - -# <trap config> -num_trap_conf_entries = 0 -trap_conf_dict = {} -# </trap config> - -pid_file_name = "" - -# logging -dcae_logger = logging.getLogger('dcae_logger') -handler = "" -dcae_logger_max_bytes = 60000000 -dcae_logger_num_archives = 10 - -undefined = "undefined" -rc = 0 -usage_requested = False - -json_fd = None -last_hour = -1 - -verbose = False - -trap_dict = {} - -# # # # # # # # # # # -# fx: usage_err -# # # # # # # # # # # -def usage_err(): - """ - Notify of incorrect (argument) usage - :Parameters: - none - :Exceptions: - none - :Keywords: - usage args - """ - - print('Correct usage:') - print(' %s -c <yaml_conf_file_name> [-v]' % prog_name) - cleanup_and_exit(1, "undefined") - - -# # # # # # # # # # # # # # # # # # # -# fx: setup dcae_logger custom logger -# # # # # # # # # # ## # # # # # # # -def setup_dcae_logger(_yc_trapd_diag): - """ - Setup custom logger for dcae_snmptrapd that incorporates - a rotating file handler with 10 backups of diagnostic messages - :Parameters: - _yc_trapd_diag - the full path output filename - :Exceptions: - none - :Keywords: - logging rotation - """ - - global dcae_logger - global handler - - date_fmt = '%m/%d/%Y %H:%M:%S' - - _yc_trapd_diag_bak = "%s.bak" % (_yc_trapd_diag) - if os.path.isfile(_yc_trapd_diag): - os.rename(_yc_trapd_diag, _yc_trapd_diag_bak) - - # handler = logging.handlers.RotatingFileHandler(yc_trapd_diag, maxBytes=60000000, backupCount=10) - handler = logging.handlers.RotatingFileHandler(_yc_trapd_diag, - maxBytes=dcae_logger_max_bytes, - backupCount=dcae_logger_num_archives) - - # set logLevel - valid values NOTSET, DEBUG, INFO, WARNING, ERROR, CRITICAL - handler.setLevel(logging.DEBUG) - dcae_logger.setLevel(logging.DEBUG) - - log_fmt = '%(levelname)s|%(asctime)s|%(name)s|%(process)d|%(funcName)s|'\ - '%(message)s' - formatter = logging.Formatter(log_fmt) - handler.setFormatter(formatter) - dcae_logger.addHandler(handler) - - if os.path.isfile(_yc_trapd_diag): - os.chmod(_yc_trapd_diag, 0o640) - - if os.path.isfile(_yc_trapd_diag_bak): - os.chmod(_yc_trapd_diag_bak, 0o640) - - -# # # # # # # # # # # # # # # # # # # -# fx: load_all_configs -# FIXME: currently on hold for load and signal handling convergence -# # # # # # # # # # ## # # # # # # # -def load_all_configs(_signum, _frame): - """ - Calls individual functions to read various config files required. This - function is called directly (e.g. at startup) and is also registered - with signal handling (e.g. kill -sigusr1 <pid>) - - :Parameters: - signum and frame (only present when called via signal to running process) - :Exceptions: - none - :Keywords: - config files - :Variables: - yaml_conf_file - dmaap_requests_session - """ - - if int(_signum) != 0: - dcae_logger.info("%s Received signal %s at frame %s; re-reading config file" - % (prog_name, _signum, _frame)) - else: - dcae_logger("Reading config files") - - # FIXME: should be re-reading all configs here - - # Initialize dmaap requests session object. Close existing session - # if applicable. - if dmaap_requests_session != None: - dmaap_requests_session.close() - dmaap_requests_session = init_session_obj(dcae_logger) - - return _yaml_config_values - - -# # # # # # # # # # # # # -# fx: rename_json_log -# # # # # # # # # # # # # -def rename_json_log(_outputFname): - """ - Renames JSON output file to include ISO-formatted date suffix - :Parameters: - signum and frame (only present when called via signal to running process) - :Exceptions: - none - :Keywords: - json log - :Variables: - json log filename - """ - - global json_fd - - # check if outputfile exists; if it does, move to timestamped version - _outputFnameBak = "%s.%s" % (_outputFname, - datetime.datetime.fromtimestamp(time.time()). - fromtimestamp(time.time()). - strftime('%Y-%m-%dT%H:%M:%S')) - - # close existing file - close_json_log() - - if os.path.isfile(_outputFname): - dcae_logger.debug('Renaming %s to %s' % - (_outputFname, _outputFnameBak)) - os.rename(_outputFname, _outputFnameBak) - else: - dcae_logger.error("Unable to move %s to %s - source file does not exist" % - (_outputFname, _outputFnameBak)) - # open new (empty) log file - try: - json_fd = open_json_log() - except: - dcae_logger.exception( - "Error opening new json log file %s - exiting " % _outputFname) - sys.exit(1) - -# # # # # # # # # # # # # -# fx: open_json_log -# # # # # # # # # # # # # -def open_json_log(): - - try: - # open append mode just in case so nothing is lost, but should be - # non-existent file - _json_fd = open(json_log_filename, 'a') - dcae_logger.exception("Opened %s append mode: " % json_log_filename) - return _json_fd - except: - dcae_logger.exception( - "Error opening %s append mode: " % json_log_filename) - sys.exit(1) - - -# # # # # # # # # # # # # -# fx: close_json_log -# # # # # # # # # # # # # -def close_json_log(): - - global json_fd - - try: - json_fd.close() - except: - dcae_logger.error("ERROR closing json audit file %s - results " - "indeterminate" % (json_log_filename)) - -# # # # # # # # # # # # # -# fx: log_published_messages -# # # # # # # # # # # # # - - -def log_published_messages(loc_post_data_enclosed): - - # FIXME: should keep data dictionary of Fd's open, and reference those vs. - # repeatedly opening append-mode - # open json audit log file - - global json_fd, last_hour - - # close output file, backup current and move new one into place on day change - dcae_logger.info('%.4f adding %s to json log' % - (time.time(), trap_dict["uuid"])) - curr_hour = datetime.datetime.now().hour - if curr_hour < last_hour: - rename_json_log(json_log_filename) - json_fd = open_json_log(json_log_filename) - - try: - m = loc_post_data_enclosed + '\n' - json_fd.write('%s' % str(m)) - except Exception as e: - dcae_logger.error("ERROR writing json audit file %s - message NOT LOGGED: %s" - % (json_log_filename, str(e))) - - last_hour = curr_hour - dcae_logger.info('%.4f logged %s' % (time.time(), trap_dict["uuid"])) - -# # # # # # # # # # # # # -# fx: post_dmaap -# # # # # # # # # # # # # - - -def post_dmaap(dmaap_url, dmaap_user_name, dmaap_p_var, dmaap_stream_id, dmaap_host, uuid, traps_json_string): - """ - Publish trap daata in json format to dmaap - :Parameters: - dmaap_url - base url for http post - dmaap_user_name - username for http post - dmaap_p_var - access credential for http post - dmaap_stream_id - appended to dmaap_url, equiv to "topic" - dmaap_host - target dmaap server to submit http post - uuid - unique ID associated with this trap - traps_json_string - json format string to include in http post - :Exceptions: - none - :Keywords: - http post dmaap json message - :Variables: - """ - - global http_resp, dmaap_requests_session, last_pub_time - - if dmaap_requests_session == None: - dmaap_requests_session = init_session_obj(dcae_logger) - - post_data_enclosed = '[' + traps_json_string + ']' - - k = 0 - dmaap_pub_success = False - - if verbose: - print('%.4f starting publish of %s' % (time.time(), trap_dict["uuid"])) - dcae_logger.info('%.4f starting publish of %s' % - (time.time(), trap_dict["uuid"])) - while not dmaap_pub_success and k < yaml_config_values.yc_http_retries: - try: - dcae_logger.debug("Attempt %d to %s dmaap_url: " - "%s dmaap_user_name: %s post_data: %s" - % (k, dmaap_host, - dmaap_url, - dmaap_user_name, - post_data_enclosed)) - - # below disable_warnings required until python updated: - # https://github.com/shazow/urllib3/issues/497 - # requests.packages.urllib3.disable_warnings() - http_resp = dmaap_requests_session.post(dmaap_url, post_data_enclosed, - auth=(dmaap_user_name, - dmaap_p_var), - headers=http_headers, - timeout=yaml_config_values.yc_http_timeout) - dcae_logger.debug("Response from %s on stream %s: %s dmaap_requests_session: %s" - % (dmaap_host, dmaap_stream_id, http_resp.status_code, dmaap_requests_session)) - if verbose: - print('%.4f published %s successfully' % - (time.time(), trap_dict["uuid"])) - dcae_logger.info('%.4f published %s successfully' % - (time.time(), trap_dict["uuid"])) - if http_resp.status_code == requests.codes.ok: - dcae_logger.debug("Response from %s: %s dmaap_request_sesson: %s" % ( - dmaap_url, http_resp.status_code, dmaap_requests_session)) - log_published_messages(post_data_enclosed) - last_pub_time = time.time() - dmaap_pub_success = True - break - else: - dcae_logger.debug("Response (non-200) detail from %s on stream " - "%s: %s" % (dmaap_host, dmaap_stream_id, http_resp.text)) - - except OSError as e: - dcae_logger.debug("Exception while posting message to host: %s, stream: %s, dmaap_requests_session: %s, exception: %s %s" - % (dmaap_host, dmaap_stream_id, dmaap_requests_session, e.errno, e.strerror)) - except requests.exceptions.RequestException as e: - dcae_logger.error("Exception while posting to %s topic %s: -->%s<--" - % (dmaap_host, dmaap_stream_id, e)) - - k += 1 - - if k < yaml_config_values.yc_http_retries: - dcae_logger.error("sleeping %s and retrying" % - yaml_config_values.yc_http_secs_between_retries) - time.sleep(yaml_config_values.yc_http_secs_between_retries) - else: - dcae_logger.error("exhausted all attempts - giving up") - break - - if verbose: - print('%.4f exiting post_dmaap for %s' % - (time.time(), trap_dict["uuid"])) - dcae_logger.info('%.4f exiting post_dmaap for %s' % - (time.time(), trap_dict["uuid"])) - if not dmaap_pub_success: - # uuid = uuid_mod.uuid1() - perm_msg = "CRITICAL: publish failure to DMAAP server: "\ - "%s, stream: %s trap: %s" % ( - dmaap_host, dmaap_stream_id, uuid) - dcae_logger.error(perm_msg) - dcae_logger.error("SEND-TO-PERM-STATUS: %s" % perm_msg) - log_to_perm_status( - yaml_config_values.yc_perm_status_file, perm_msg, dcae_logger) - dcae_logger.info("%.4f %s" % (time.time(), perm_msg)) - if verbose: - print("%.4f %s" % (time.time(), perm_msg)) - - -# # # # # # # # # # # # # # # # # # # -# fx: request_observer for community string rewrite -# # # # # # # # # # # # # # # # # # # -def comm_string_rewrite_observer(snmpEngine, execpoint, variables, cbCtx): - - # match ALL community strings - if re.match('.*', str(variables['communityName'])): - dcae_logger.debug('Rewriting communityName \'%s\' from %s into \'public\'' % (variables['communityName'], ':'.join([str(x) for x in - variables['transportInformation'][1]]))) - variables['communityName'] = variables['communityName'].clone('public') - -# # # # # # # # # # # # # # # # # # # -# fx: snmp_engine_observer_cb -# callback for when trap is received -# # # # # # # # # # # # # # # # # # # - - -def snmp_engine_observer_cb(snmp_engine, execpoint, variables, cbCtx): - """ - Decompose trap attributes and load in dictionary which is later used to - create json string for publishing to dmaap. - :Parameters: - snmp_engine - snmp engine created to listen for arriving traps - execpoint - point in code that snmp_engine_observer_cb was invoked - variables - trap attributes - cbCtx - callback context - :Exceptions: - none - :Keywords: - UEB non-AAF legacy http post - :Variables: - """ - - global trap_dict, last_epoch_second, traps_in_epoch - - # init dictionary on new trap - trap_dict = {} - - # assign uuid to trap - trap_dict["uuid"] = str(uuid_mod.uuid1()) - - if verbose: - print('%.4f snmp trap arrived from %s, assigned uuid: %s' % - (time.time(), variables['transportAddress'][0], trap_dict["uuid"])) - dcae_logger.info('%.4f snmp trap arrived from %s, assigned uuid: %s' % ( - time.time(), variables['transportAddress'][0], trap_dict["uuid"])) - - # if re.match('.*', str(variables['communityName'])): - # print('Rewriting communityName \'%s\' from %s into \'public\'' % (variables['communityName'], ':'.join([str(x) for x in variables['transportInformation'][1]]))) - # variables['communityName'] = variables['communityName'].clone('public') - - # ip and hostname - ip_addr_str = str(variables['transportAddress'][0]) - trap_dict["agent address"] = ip_addr_str - try: - if int(dns_cache_ip_expires[ip_addr_str] < int(time.time())): - dcae_logger.debug('dns cache expired for %s' % ip_addr_str) - raise Exception('cache expired for %s at %d - updating value' % - (ip_addr_str, (dns_cache_ip_expires[ip_addr_str]))) - else: - trap_dict["agent name"] = dns_cache_ip_to_name[ip_addr_str] - except: - if verbose: - print('%.4f dns cache expired for %s' % (time.time(), ip_addr_str)) - dcae_logger.debug( - 'dns cache expired or missing for %s - reloading' % ip_addr_str) - host_addr_info = socket.gethostbyaddr(ip_addr_str) - agent_fqdn = str(host_addr_info[0]) - trap_dict["agent name"] = agent_fqdn - - dns_cache_ip_to_name[ip_addr_str] = agent_fqdn - dns_cache_ip_expires[ip_addr_str] = ( - time.time() + yaml_config_values.yc_dns_cache_ttl_seconds) - dcae_logger.debug('cache for %s (%s) updated - set to expire at %d' % - (agent_fqdn, ip_addr_str, dns_cache_ip_expires[ip_addr_str])) - - dns_cache_ip_to_name[str(trap_dict["agent address"])] - - trap_dict["cambria.partition"] = str(trap_dict["agent name"]) - trap_dict["community"] = "" # do not include cleartext community in pub - # do not include cleartext community in pub - trap_dict["community len"] = 0 - - # FIXME.CHECK_WITH_DOWNSTREAM_CONSUMERS: get rid of round for millisecond val - # epoch_second = int(round(time.time())) - epoch_msecond = time.time() - epoch_second = int(round(epoch_msecond)) - if epoch_second == last_epoch_second: - traps_in_epoch += 1 - else: - traps_in_epoch = 0 - last_epoch_second = epoch_second - traps_in_epoch_04d = format(traps_in_epoch, '04d') - trap_dict['epoch_serno'] = int( - (str(epoch_second) + str(traps_in_epoch_04d))) - - snmp_version = variables['securityModel'] - if snmp_version == 1: - trap_dict["protocol version"] = "v1" - else: - if snmp_version == 2: - trap_dict["protocol version"] = "v2c" - else: - if snmp_version == 3: - trap_dict["protocol version"] = "v3" - else: - trap_dict["protocol version"] = "unknown" - - if snmp_version == 3: - trap_dict["protocol version"] = "v3" - trap_dict["security level"] = str(variables['securityLevel']) - trap_dict["context name"] = str(variables['contextName'].prettyPrint()) - trap_dict["security name"] = str(variables['securityName']) - trap_dict["security engine"] = str( - variables['contextEngineId'].prettyPrint()) - trap_dict['time received'] = epoch_msecond - # get this from dmaap_url when ready - trap_dict['trap category'] = "DCAE-COLLECTOR-UCSNMP" - - -# Callback function for receiving notifications -# noinspection PyUnusedLocal,PyUnusedLocal,PyUnusedLocal -def notif_receiver_cb(snmp_engine, stateReference, contextEngineId, contextName, - varBinds, cbCtx): - """ - Callback executed when trap arrives - :Parameters: - snmp_engine - snmp engine created to listen for arriving traps - stateReference - contextEngineId - contextName - varBinds - trap varbinds - cbCtx - callback context - :Exceptions: - none - :Keywords: - callback trap arrival - :Variables: - """ - - global trap_dict - - if verbose: - print('%.4f processing varbinds for %s' % - (time.time(), trap_dict["uuid"])) - dcae_logger.info('%.4f processing varbinds for %s' % - (time.time(), trap_dict["uuid"])) - - # FIXME: add conversion from v1 to v2 prior to below? or special handling for v1? - - # FIXME update reset location when batching publishes - vb_dict = {} - - vb_idx = 0 - k1 = "" - k2 = "" - - # FIXME: Note that the vb type is present, just need to extract it efficiently somehow - # print('\nvarBinds ==> %s' % (varBinds)) - # - # varBinds ==> [(ObjectName('1.3.6.1.2.1.1.3.0'), TimeTicks(1243175676)), - # (ObjectName('1.3.6.1.6.3.1.1.4.1.0'), ObjectIdentifier('1.3.6.1.4.1.74.2.46.12.1.1')), - # (ObjectName('1.3.6.1.4.1.74.2.46.12.1.1.1'), OctetString(b'ucsnmp heartbeat - ignore')), - # (ObjectName('1.3.6.1.4.1.74.2.46.12.1.1.2'), OctetString(b'Fri Aug 11 17:46:01 EDT 2017'))] - # - # This does NOT work: - # for name, typ, val in varBinds: - # print('name = %s' % (name)) - # print('typ = %s' % (typ)) - # print('val = %s\n' % (val)) - - vb_all_string = "" - for name, val in varBinds: - vb_dict = {} - if vb_idx == 0: - vb_sys_uptime_oid = name - vb_sys_uptime = val - trap_dict["sysUptime"] = str(val) - # print('vb_sys_uptime = %s' % (vb_sys_uptime)) - else: - if vb_idx == 1: - trap_dict["notify OID"] = str(val) - trap_dict["notify OID len"] = ( - trap_dict["notify OID"].count('.') + 1) - # print('vb_notify_oid = %s' % (vb_notify_oid)) - # else: - # vb_idx_02d = format((vb_idx - 2), '02d') - vb_idx_02d = format((vb_idx), '02d') - - k1 = "varbind_oid_" + str(vb_idx_02d) - k2 = "varbind_value_" + str(vb_idx_02d) - # vb_dict[k1] = name.prettyPrint() - # vb_dict[k2] = val.prettyPrint() - vb_dict["varbind_type"] = "tbd" - vb_dict["varbind_oid"] = name.prettyPrint() - vb_dict["varbind_value"] = val.prettyPrint() - vb_json = json.dumps(vb_dict) - vb_all_string += vb_json - - vb_idx += 1 - - trap_dict["num varbinds"] = vb_idx - - # add varbind dict to trap dict - # trap_dict["varbinds"] = vb_dict - trap_dict["varbinds"] = vb_all_string - - dcae_logger.debug("vb_dict json-ized: %s" % (json.dumps(vb_dict))) - trap_json_msg = json.dumps(trap_dict) - - # publish to dmaap after last varbind is processed - post_dmaap(dmaap_config_values.dmaap_url, dmaap_config_values.dmaap_user_name, dmaap_config_values.dmaap_p_var, - dmaap_config_values.dmaap_stream_id, dmaap_config_values.dmaap_host, trap_dict["uuid"], trap_json_msg) - - -# # # # # # # # # # # # # -# Main MAIN Main MAIN -# # # # # # # # # # # # # -# parse command line args -parser = argparse.ArgumentParser(description='Post SNMP traps ' - 'to DCAE DMaap MR') -parser.add_argument('-c', action="store", dest="yaml_conf_file", type=str, - help="yaml config file name") -parser.add_argument('-v', action="store_true", dest="verbose", - help="verbose logging") -parser.add_argument('-?', action="store_true", dest="usage_requested", - help="show command line use") - -# set vars from args -parser.set_defaults(yaml_conf_file="") - -# parse args -args = parser.parse_args() - -# set vars from args -yaml_conf_file = args.yaml_conf_file -verbose = args.verbose -usage_requested = args.usage_requested - -# if usage, just display and exit -if usage_requested: - usage_err() - -# Get non-ENV settings from config file; spoof 2 params -# so same fx can be used for signal handling -if yaml_conf_file == "": - usage_err() - -# always get yaml config values -yaml_config_values = read_yaml_config(yaml_conf_file) - -# setup custom logger -setup_dcae_logger(yaml_config_values.yc_trapd_diag) - -# bump up logging level if overridden at command line -if verbose: - dcae_logger.setLevel(logging.DEBUG) - handler.setLevel(logging.DEBUG) - dcae_logger.debug("log level increased to DEBUG") - -dcae_logger.info("log will include info level messages") -dcae_logger.error("log will include error level messages") -dcae_logger.debug("log will include debug level messages") -dcae_logger.info("Runtime PID file: %s" % pid_file_name) - -# setup signal handling for config file reload -# FIXME: need to have signal handler return all tuples for configs -# signal.signal(signal.SIGUSR1, load_all_configs) - -# save current PID for future/external reference -pid_file_name = '%s/%s.pid' % (yaml_config_values.yc_pid_dir, prog_name) -rc = save_pid(pid_file_name) - -# always get trap configs -trap_config_values = read_trap_config( - yaml_config_values.yc_trap_conf, dcae_logger) - -# Set initial startup hour for rolling logfile -last_hour = datetime.datetime.now().hour - -#make sure my env is set properly -try: - c = get_config() - if c == {}: - msg = "Unable to fetch configuration or it is erroneously empty - fatal ONAP controller error, trying OpenDCAE config" - dcae_logger.error(msg) - print('%s' % msg) - -#if new controller not present, try dmaap.conf -except: - msg = "ONAP controller not present, attempting OpenDCAE dmaap.conf config" - dcae_logger.error(msg) - dmaap_config_values = read_dmaap_config( - yaml_config_values.yc_dmaap_conf, dcae_logger) - - # get the topic from the url - dmaap_topic = dmaap_config_values.dmaap_url.split('.')[-1] - dcae_logger.info("Topic: %s" % dmaap_topic) - json_log_filename = yaml_config_values.yc_published_traps_dir + '/' + 'DMAAP' + '_' \ - + dmaap_topic + '.json' - json_fd = open_json_log() - msg = "Using OpenDCAE dmaap.conf config" - -# Get the event loop for this thread -loop = asyncio.get_event_loop() - -# Create SNMP engine with autogenernated engineID pre-bound -# to socket transport dispatcher -snmp_engine = engine.SnmpEngine() - -# # # # # # # # # # # # -# Transport setup -# # # # # # # # # # # # - -# UDP over IPv4 -# FIXME: add check for presense of ipv4_interface prior to attempting add OR just put entire thing in try/except clause -config.addTransport( - snmp_engine, - udp.domainName + (1,), - udp.UdpTransport().openServerMode( - (yaml_config_values.yc_ipv4_interface, yaml_config_values.yc_ipv4_port)) -) - -# UDP over IPv6 -# FIXME: add check for presense of ipv6_interface prior to attempting add OR just put entire thing in try/except clause -config.addTransport( - snmp_engine, - udp6.domainName, - udp6.Udp6Transport().openServerMode( - (yaml_config_values.yc_ipv6_interface, yaml_config_values.yc_ipv6_port)) -) - -# UDP over IPv4, second listening interface/port -# config.addTransport( -# snmp_engine, -# udp.domainName + (2,), -# udp.UdpTransport().openServerMode(('127.0.0.1', 2162)) -# ) - -# # # # # # # # # # # # -# SNMPv1/2c setup -# # # # # # # # # # # # - -# SecurityName <-> CommunityName mapping -# to restrict trap reception to only those with specific community -# strings -config.addV1System(snmp_engine, 'my-area', 'public') - -# register comm_string_rewrite_observer for message arrival -snmp_engine.observer.registerObserver( - comm_string_rewrite_observer, - 'rfc2576.processIncomingMsg:writable' -) - -# register snmp_engine_observer_cb for message arrival -snmp_engine.observer.registerObserver( - snmp_engine_observer_cb, - 'rfc3412.receiveMessage:request', - 'rfc3412.returnResponsePdu', -) - -# Register SNMP Application at the SNMP engine -ntfrcv.NotificationReceiver(snmp_engine, notif_receiver_cb) - -snmp_engine.transportDispatcher.jobStarted(1) # loop forever - -# Run I/O dispatcher which would receive queries and send confirmations -try: - snmp_engine.transportDispatcher.runDispatcher() -except: - snmp_engine.observer.unregisterObserver() - snmp_engine.transportDispatcher.closeDispatcher() - cleanup_and_exit(1, pid_file_name) |