#!/users/dsc/bin/Python3
#-*-coding: UTF-8 -*-
import ibm_db
import json
import os
#系统环境变量
envs = os.environ
CRGS_dir = envs["CRGS"]
print(CRGS_dir)
print('{CRGS}/config/config.json'.format(CRGS=CRGS_dir))
db2_config = ''
with open('{CRGS}/config/config.json'.format(CRGS=CRGS_dir),
          'r',
          encoding='utf8') as fp:
    json_data = json.load(fp)
    db2_config = json_data['utility']['db2']
dbinfo = (
    "DATABASE={dbname};HOSTNAME={dbhost};PORT={port};PROTOCOL=TCPIP;UID={username};PWD={passwd}"
    .format(dbname=db2_config["database"],
            dbhost="DBHOST",
            port="50000",
            username=db2_config["username"],
            passwd=db2_config["password"]))  #数据库信息
try:
    conn = ibm_db.connect(dbinfo,'','')  #连接数据库
    sql = "SELECT RULEID,RULENAME FROM T_RULE_CFG"
    stmt = ibm_db.exec_immediate(conn, sql)
    # dictionary = ibm_db.fetch_both(stmt)
   
    while ibm_db.fetch_row(stmt) != False:
        print("ruleid : ",  ibm_db.result(stmt, "RULEID"))
        print("rulename : ", ibm_db.result(stmt, "RULENAME"))

  
except:
    print("connect faild,%s "% ibm_db.conn_errormesg())
    
ibm_db.close(conn)