set up logging for propose-final-releases

Several of the support modules now use logging exclusively as a way to
emit debug info. Set up logging so we can see that debug info when
--verbose is turned on.

Change-Id: I029b6cc8667fca61f70afd19e99dd865870a546e
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

openstack_releases/cmds/propose_final_releases.py

@@ -16,9 +16,11 @@ from __future__ import print_function
 
 import argparse
 import atexit
+import logging
 import os.path
 import re
 import shutil
+import sys
 import tempfile
 
 import openstack_releases
@@ -108,6 +110,14 @@ def main():
         def verbose(msg):
             pass
 
+    # Set up logging, including making some loggers quiet.
+    logging.basicConfig(
+        format='%(levelname)7s: %(message)s',
+        stream=sys.stdout,
+        level=logging.DEBUG if args.verbose else logging.INFO,
+    )
+    logging.getLogger('urllib3.connectionpool').setLevel(logging.WARNING)
+
     deliverables_dir = args.deliverables_dir
 
     workdir = tempfile.mkdtemp(prefix='releases-')