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#!/usr/bin/env python3
# ============LICENSE_START=======================================================
# Copyright (c) 2018-2022 AT&T Intellectual Property. All rights reserved.
# Copyright (c) 2019 Pantheon.tech. All rights reserved.
# Copyright (c) 2020 Deutsche Telekom. All rights reserved.
# Copyright (c) 2021 Fujitsu Ltd.
# ================================================================================
# 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=========================================================
#
# Author Prakash Hosangady(ph553f@att.com)
# CBS Polling
# Set the hb_common table with state="RECONFIGURATION" periodically
# to get the new configuration downloaded
import logging
import sys
import os
import socket
import time
import misshtbtd as db
import get_logger
_logger = logging.getLogger(__name__)
def poll_cbs(current_pid: int) -> None:
jsfile = db.fetch_json_file()
(
ip_address,
port_num,
user_name,
password,
db_name,
cbs_polling_required,
cbs_polling_interval,
) = db.read_hb_properties(jsfile)
hbc_pid, hbc_state, hbc_src_name, hbc_time = db.read_hb_common(user_name, password, ip_address, port_num, db_name)
msg = "CBSP:Main process ID in hb_common is %d", hbc_pid
_logger.info(msg)
msg = "CBSP:My parent process ID is %d", current_pid
_logger.info(msg)
msg = "CBSP:CBS Polling interval is %d", cbs_polling_interval
_logger.info(msg)
env_pytest = os.getenv("pytest", "")
if env_pytest == "test":
cbs_polling_interval = "30"
time.sleep(int(cbs_polling_interval))
hbc_pid, hbc_state, hbc_src_name, hbc_time = db.read_hb_common(user_name, password, ip_address, port_num, db_name)
source_name = socket.gethostname()
source_name = source_name + "-" + str(os.getenv("SERVICE_NAME", ""))
if current_pid == int(hbc_pid) and source_name == hbc_src_name and hbc_state == "RUNNING":
_logger.info("CBSP:ACTIVE Instance:Change the state to RECONFIGURATION")
state = "RECONFIGURATION"
update_flg = 1
db.create_update_hb_common(update_flg, hbc_pid, state, user_name, password, ip_address, port_num, db_name)
else:
_logger.info("CBSP:Inactive instance or hb_common state is not RUNNING")
def cbs_polling_loop(current_pid: int):
get_logger.configure_logger("cbs_polling")
while True:
poll_cbs(current_pid)
if __name__ == "__main__":
parent_pid = int(sys.argv[1])
cbs_polling_loop(parent_pid)
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