Add logging.

metrics

@@ -16,6 +16,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import argparse
+import logging as log
 import sqlite3
 from modules.jenkins import JenkinsModule
 
@@ -52,9 +53,11 @@ def main(module):
     run.append(module.sqlite_setup())
     run.append(module.sqlite_add())
     run.append(module.sqlite_time_range(days=10))
+    log.debug("Commands to be ran: " + str(run))
 
     # Use --db-location to pass to sqlite
-    print(sqlite_run(run, db=args.db_location, return_output=True))
+    log.info("Running SQLite commands")
+    log.debug(sqlite_run(run, db=args.db_location, return_output=True))
 
 
 if __name__ == "__main__":
@@ -62,7 +65,19 @@ if __name__ == "__main__":
     parser = argparse.ArgumentParser()
     parser.add_argument("--db-location", type=str, default=":memory:",
             help="Specify the location for the SQLite database")
+    parser.add_argument("--log", type=str, default="WARNING",
+            help="Default logging level")
     args = parser.parse_args()
 
+    # Ensure the logging level is set properly
+    num_level = getattr(log, args.log.upper(), None)
+    if not isinstance(num_level, int):
+        raise ValueError("Invalid log level: %s" % loglevel)
+
+    # Fully configure the logger
+    log.basicConfig(format="%(asctime)s\t%(levelname)s\t%(message)s",
+            level=num_level)
+
     for module in ENABLED_MODULES:
+        log.info("Working on %s..." % module.__name__)
         main(module)