Heartbeat Microservice Support

Heartbeat service monitors missing HB notification
Issue-ID: DCAEGEN2-267

Change-Id: I21f36056e9509a167bff476231a6bbd661aca1b9
Signed-off-by: SrikanthNaidu <sn8492@att.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/miss_htbt_service/cbs_polling.py b/miss_htbt_service/cbs_polling.py
new file mode 100644
index 0000000..4212ab7
--- /dev/null
+++ b/miss_htbt_service/cbs_polling.py
@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+# Copyright 2018 AT&T Intellectual Property, Inc. 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.
+# 
+#  Author  Prakash Hosangady(ph553f@att.com)
+#    CBS Polling
+#    Set the hb_common table with state="RECONFIGURATION" periodically
+#    to get the new configuration downloaded
+
+import requests
+import sched, datetime, time
+import string
+import sys
+import os
+import socket
+import htbtworker as pm
+import misshtbtd as db
+import logging
+import get_logger
+_logger = get_logger.get_logger(__name__)
+            
+
+def pollCBS(current_pid):
+
+    ip_address, port_num, user_name, password, db_name, cbs_polling_required, cbs_polling_interval = db.read_hb_properties()
+    hbc_pid, hbc_state, hbc_srcName, 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)
+    time.sleep(cbs_polling_interval)
+    hbc_pid, hbc_state, hbc_srcName, hbc_time = db.read_hb_common(user_name,password,ip_address,port_num,db_name)
+    #connection_db = pm.postgres_db_open(user_name,password,ip_address,port_num,db_name)
+    #cur = connection_db.cursor()
+    source_name = socket.gethostname()
+    source_name = source_name + "-" + str(os.getenv('SERVICE_NAME'))
+    result= True
+    if(int(current_pid)==int(hbc_pid) and source_name==hbc_srcName 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")
+    return result 
+if __name__ == "__main__":
+    current_pid = sys.argv[1]
+    while(True):
+        pollCBS(current_pid)