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# ================================================================================================================================================================================
# PPM PRODUCT CATALOG (PC) REPLICATION - CE CUSTOM TABLES REPLICATE
# DATE AUTHOR VER CHANGE DESCRIPTION
# -------- --------- ----- ------------------
# 21.08.23 Veera 1.0 The below script replicates ppm table records dynamically from "etl_ppm_replication_master" "PC_EXT"
#
#
# ================================================================================================================================================================================
import pandas as pd
import mysql.connector
import json
from base64 import b64decode as base_b64decode
import logging
from pandas import read_sql as pd_read_sql
import sys
from sqlalchemy import create_engine
import argparse
from io import TextIOBase as io_TextIOBase
source = 'SOURCE'
# define Python user-defined exceptions
class Error(Exception):
"""Base class for other exceptions"""
pass
# define Python user-defined exceptions
class ETL_PPM_REPLICATION_MASTER_ERROR(Error):
pass
class DB_CONNECTION_ERROR(Error):
pass
def connect_to_database(json_data, replicationTarget, logging):
try:
encrypt = json_data.get(replicationTarget, {}).get('ENCRYPT')
host = json_data.get(replicationTarget, {}).get('DB_HOST')
port = json_data.get(replicationTarget, {}).get('DB_PORT')
user = json_data.get(replicationTarget, {}).get('DB_USER')
db_type = json_data.get(replicationTarget, {}).get('DB_TYPE')
schema = json_data.get(replicationTarget, {}).get('DB_SCHEMA')
sid = json_data.get(replicationTarget, {}).get('DB_SID')
if encrypt == 'Y':
password = base_b64decode(json_data.get(replicationTarget, {}).get('DB_PASSWORD')).decode('utf-8')
else:
password = json_data.get(replicationTarget, {}).get('DB_PASSWORD')
if db_type == 'MYSQL':
cnx = mysql.connector.connect(user=user, password=password, host=host, port=port)
cursor = cnx.cursor()
logging.info(f"Connected to MySQL database server {replicationTarget}: {host}:{port}")
elif db_type == 'ORACLE':
import cx_Oracle
oracle_mode = oracledb.is_thin_mode()
if oracle_mode:
oracledb.init_oracle_client()
print("Enabled python-oracledb Thick mode")
cnx_text = ('oracle://%s:%s@%s:%s/?service_name=%s' % (user, password, host, port, schema))
cnx = create_engine(cnx_text, encoding="utf8").raw_connection()
cursor = cnx.cursor
except mysql.connector.Error as dberr:
logging.error("DATABASE CONNECTION ERROR")
logging.error("Error - {} . Line No - {} ".format(str(dberr), str(sys.exc_info()[-1].tb_lineno)))
cnx = cursor = schema = None
except Exception as dbexp:
logging.error("DATABASE CONNECTION EXCEPTION")
logging.error("Error - {} . Line No - {} ".format(str(dberr), str(sys.exc_info()[-1].tb_lineno)))
cnx = cursor = schema = None
return cnx, cursor, schema, user, password, host, port
def main(args, json_file_path, log_file, logging):
try:
releaseId = args.releaseId
opId = args.opId
buId = args.buId
replicationTarget = args.replicationTarget
replicationJobId = args.replicationJobId
return_flag = True
# Read JSON data from file
with open(json_file_path) as json_file:
json_data = json.load(json_file)
# Connect to PPM_PC database
conn_ppm, cursor_ppm, schema_ppm, user_ppm, password_ppm, host_ppm, port_ppm = connect_to_database(json_data,
'PPM_PC',
logging)
# Connect to source database
conn_source, cursor_source, schema_source, _, _, _, _ = connect_to_database(json_data, 'SOURCE_EXT', logging)
# Fetch data from the etl_ppm_replication_master table
primary_query = f"SELECT * FROM {schema_ppm}.etl_ppm_replication_master WHERE eprm_catalog='PC_EXT' AND eprm_enabled_flg='Y'"
df = pd_read_sql(primary_query, con=conn_ppm)
if len(df) == 0:
raise ETL_PPM_REPLICATION_MASTER_ERROR
# Connect to target database
replicationTarget_EXT = replicationTarget + '_EXT'
db_type = json_data.get(replicationTarget_EXT, {}).get('DB_TYPE')
conn_tar, cursor_tar, schema_tar, _, _, _, _ = connect_to_database(json_data,replicationTarget_EXT, logging)
for _, row in df.iterrows():
try:
eprm_table_name = row['eprm_table_name'].lower() # Convert table name to lowercase
if eprm_table_name == 'pkg_prd_fed_ext_attrs':
source_query = f"SELECT * FROM {schema_source}.{eprm_table_name} WHERE release_id='{releaseId}'"
else:
source_query = f"SELECT * FROM {schema_source}.{eprm_table_name} WHERE release_id='{releaseId}' AND op_id='{opId}' AND bu_id='{buId}'"
source_df = pd_read_sql(source_query, con=conn_source)
logging.info(f"Count of {eprm_table_name} {len(source_df)}")
if 'updated_by' in source_df:
source_df['updated_by'] = replicationJobId
if not source_df.empty:
source_df.to_sql(eprm_table_name, con=conn_tar, if_exists='append', index=False)
logging.info(f"Insertion succesfull")
except mysql.connector.Error as err:
print(f"Error occurred while executing the query: {source_query}: {err}")
logging.info(f"Error occurred while executing the query: {source_query}: {err}")
except DB_CONNECTION_ERROR:
logging.error("EXCEPTION: DB CONNECTION ERROR PC_EXT")
return_flag = False
except ETL_PPM_REPLICATION_MASTER_ERROR:
STATUS_MESSAGE = "NO RECORDS PRESENT IN etl_ppm_replication_master TABLE"
logging.error("EXCEPTION:" + STATUS_MESSAGE)
return_flag = False
except Exception as e:
logging.error("Error - {} . Line No - {} ".format(str(e), str(sys.exc_info()[-1].tb_lineno)))
return_flag = False
return return_flag
if __name__ == '__main__':
import logging
from configparser import ConfigParser as conf_ConfigParser
statFile = ""
try:
parser = argparse.ArgumentParser(description="PPM Product Catalog Replication Script")
parser.add_argument('--releaseId', required=True, help="Release ID")
parser.add_argument('--releaseType', required=True, help="Release Type")
parser.add_argument('--replicationTarget', required=True, help="Replication Target")
parser.add_argument('--opId', required=True, help="Operation ID")
parser.add_argument('--buId', required=True, help="Business Unit ID")
parser.add_argument('--replicationJobId', required=True, help="Replication Job ID")
args = parser.parse_args()
replicationJobId = args.replicationJobId
json_file_path = "/app/scripts/PPM_Release_Management/Product_Catalog_ETL/config/ppm_pc_replication.json"
conf_file_path = "/app/scripts/PPM_Release_Management/Product_Catalog_ETL/config/ppm_pc_replication.conf"
log_file = f'/app/scripts/PPM_Release_Management/Product_Catalog_ETL/logs/{replicationJobId}_ppm_pc_ext.log'
statFile = f'/app/scripts/PPM_Release_Management/Product_Catalog_ETL/logs/{replicationJobId}_ppm_pc_replication_insert_pc_ext.status'
args = parser.parse_args()
statFile = open(statFile, "w")
# Set up logging
CONFIG = conf_ConfigParser()
CONFIG.read(conf_file_path)
logging.basicConfig(
filename=log_file,
level=CONFIG.get('CONFIG_LOGGING', 'LOG_LEVEL', raw=True),
format=CONFIG.get('CONFIG_LOG_FORMAT', 'LOG_FORMAT_DISP', raw=True),
datefmt=CONFIG.get('CONFIG_LOG_FORMAT', 'LOG_FORMAT_DATE', raw=True)
)
logging.info('LOGGER initiated')
if main(args, json_file_path, log_file, logging):
print("Insertion of data succesfull")
statFile.write("SUCCESS")
else:
statFile.write("FAILED")
except FileNotFoundError as ferr:
print("Error - {} . Line No - {} ".format(str(ferr), str(sys.exc_info()[-1].tb_lineno)))
statFile.write("FAILED")
except Exception as err:
print("Error - {} . Line No - {} ".format(str(err), str(sys.exc_info()[-1].tb_lineno)))
statFile.write("FAILED")
if isinstance(statFile, io_TextIOBase):
statFile.close()
iam getting below error
Error - dynamic module does not define module export function (PyInit__sqlite3) . Line No - 122