add debug output to ccfg-merge-debug

Exeptions were being swallowed completely and no way to even see them
other than log.

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/ccfg-merge-debug b/tools/ccfg-merge-debug
index aac60528..5b6b050a 100755
--- a/tools/ccfg-merge-debug
+++ b/tools/ccfg-merge-debug
@@ -3,6 +3,7 @@
 from cloudinit import handlers
 from cloudinit.handlers import cloud_config as cc_part
 from cloudinit import helpers
+from cloudinit import log as logging
 from cloudinit.settings import PER_INSTANCE
 from cloudinit import user_data as ud
 
@@ -17,9 +18,16 @@ def main():
         description='test cloud-config merging')
     parser.add_argument("--output", "-o", metavar="file",
         help="specify output file", default="-")
+    parser.add_argument('--verbose', '-v', action='count', default=0)
     parser.add_argument('files', nargs='+')
 
     args = parser.parse_args()
+
+    if args.verbose:
+        level = (logging.WARN, logging.INFO,
+                 logging.DEBUG)[min(args.verbose, 2)]
+        logging.setupBasicLogging(level)
+
     outfile = args.output
     if args.output == "-":
         outfile = "/dev/stdout"