Merge ~jfguedez/charm-juju-lint:bug/1942945 into charm-juju-lint:master

[Jose Guedez]

Adds debug logging to auto_lint.py

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision d87ae33404e3243047199eee9aa98cacb55ee65d

diff --git a/scripts/auto_lint.py b/scripts/auto_lint.py
index 6446a01..02699f1 100755
--- a/scripts/auto_lint.py
+++ b/scripts/auto_lint.py
@@ -19,8 +19,10 @@ License: Apache License 2.0
  limitations under the License.
 """
 
+import argparse
 from base64 import b64decode
 import json
+import logging
 from os.path import join
 import subprocess
 from sys import exit
@@ -216,6 +218,21 @@ def lint_juju(auto_lint_config):
 
 def main():
     """Call main function."""
+    parser = argparse.ArgumentParser(
+        description="Grab juju status/bundle output and analyse it with Juju Lint."
+    )
+
+    parser.add_argument(
+        "--debug",
+        action="store_true",
+        help="Enable debug logging",
+    )
+
+    args = parser.parse_args()
+
+    loglevel = logging.DEBUG if args.debug else logging.ERROR
+    logging.basicConfig(level=loglevel)
+
     auto_lint_config = read_json_file(LINT_CONFIG_PATH)
     verify_auto_lint_config(auto_lint_config)
     juju_status = loop.run(get_juju_status(auto_lint_config))