pick up config file from environment variable

database.py

@@ -2,9 +2,12 @@ from sqlalchemy import create_engine
 from sqlalchemy.orm import scoped_session, sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
 import yaml
+import os
 
-with open("config.yaml", "rb") as config_file:
-    config = yaml.load(config_file)
+configyaml = os.environ.get("CONFIG_FILE")
+
+with open(configyaml, "rb") as config_file:
+    config = yaml.load(config_file, Loader=yaml.SafeLoader)
 
 engine = create_engine(config['SERVICE_DB'])
 db_session = scoped_session(sessionmaker(bind=engine))

pnut-matrix.py

@@ -7,6 +7,8 @@ import json
 import pnutpy
 import requests
 import magic
+import argparse
+import os
 
 from matrix_client.api import MatrixHttpApi
 from matrix_client.api import MatrixError, MatrixRequestError
@@ -300,12 +302,33 @@ def wsthreader(threadfunc):
     return wrapper
 
 if __name__ == '__main__':
-    # websocket.enableTrace(True)
-    logging.basicConfig(level=logging.DEBUG)
 
-    with open("config.yaml", "rb") as config_file:
-        config = yaml.load(config_file)
-    
+
+    a_parser = argparse.ArgumentParser()
+    a_parser.add_argument(
+        '-d', action='store_true', dest='debug',
+        help="debug logging"
+    )
+    # a_parser.add_argument(
+    #     '-c', '--config', default="config.yaml",
+    #     help="configuration file"
+    # )
+    args = a_parser.parse_args()
+
+    if args.debug:
+        # websocket.enableTrace(True)
+        logging.basicConfig(level=logging.DEBUG)
+    else:
+        logging.basicConfig(level=logging.INFO)
+
+    # with open(args.config, 'rb') as config_file:
+    #     config = yaml.load(config_file, Loader=yaml.SafeLoader)
+
+    configyaml = os.environ.get("CONFIG_FILE")
+
+    with open(configyaml, "rb") as config_file:
+        config = yaml.load(config_file, Loader=yaml.SafeLoader)
+
     ws_url = 'wss://stream.pnut.io/v0/app?access_token='
     ws_url += config['PNUT_APPTOKEN'] + '&key=' + config['PNUT_APPKEY']
     ws_url += '&include_raw=1'
@@ -326,7 +349,7 @@ if __name__ == '__main__':
         logger.debug("- sould join admin room -")
         join_room(config['MATRIX_ADMIN_ROOM'], config['MATRIX_AS_ID'])
     app.config.update(config)
-    app.run(port=config['LISTEN_PORT'])
+    app.run(host=config['LISTEN_HOST'], port=config['LISTEN_PORT'])
 
     logger.info('!! shutdown initiated !!')
     _shutdown.set()