db in account

ENV.tmpl

@@ -1,2 +1,10 @@
 # copy to ENV and adjust values
 
+JWT_PUB_KEY="..."
+
+DB_USER="hv2"
+DB_PASS="..."
+DB_HOST="172.16.10.27"
+DB_NAME="hv2"
+
+

account.py

@@ -0,0 +1,17 @@
+from db import execDatabaseOperation
+from loguru import logger
+import json
+
+
+def _opGetAccounts(cursor, params):
+    accounts = []
+    cursor.execute('SELECT id, description FROM account_t')
+    for accountObj in cursor:
+        logger.debug("add account {} -> {}".format(accountObj[0], accountObj[1]))
+        accounts.append({"id": accountObj[0], "description": accountObj[1]})
+    return accounts
+
+
+def getAccounts(user, token_info):
+    logger.info("getAccounts, token: {}".format(json.dumps(token_info)))
+    return execDatabaseOperation(_opGetAccounts, ())

db.py

@@ -0,0 +1,50 @@
+import psycopg2
+from loguru import logger
+import os
+import configparser
+
+
+
+DB_USER = ""
+DB_PASS = ""
+DB_HOST = ""
+DB_NAME = ""
+try:
+    DB_USER = os.environ["DB_USER"]
+    DB_PASS = os.environ["DB_PASS"]
+    DB_HOST = os.environ["DB_HOST"]
+    DB_NAME = os.environ["DB_NAME"]
+except KeyError:
+    config = configparser.ConfigParser()
+    config.read('/opt/app/config/dbconfig.ini')
+    DB_USER = config["database"]["user"]
+    DB_PASS = config["database"]["pass"]
+    DB_HOST = config["database"]["host"]
+    DB_NAME = config["database"]["name"]
+
+
+def databaseOperation(cursor, params):
+    cursor.execute('SELECT key, value FROM claims_for_user_v where "user" = %s and application = %s', 
+                params)
+    for claimObj in cursor:
+        logger.debug("add claim {} -> {}".format(claimObj[0], claimObj[1]))
+    return []
+
+
+def execDatabaseOperation(func, params):
+    conn = None
+    cur = None
+    try:
+        conn = psycopg2.connect(user = DB_USER, password = DB_PASS,
+                                host = DB_HOST, database = DB_NAME)
+        conn.autocommit = False
+
+        with conn.cursor() as cur:
+            return func(cur, params)
+    except psycopg2.Error as err:
+        raise Exception("Error when connecting to database: {}".format(err))
+    finally:
+        if conn:
+            conn.close()
+
+