Add logging support for rsync module

rbackup/rsync.py

@@ -3,6 +3,7 @@
 .. module:: rbackup.rsync
     :synopsis: helper functions for running the rsync backend
 """
+import logging
 import subprocess
 
 
@@ -10,6 +11,9 @@ import subprocess
 _RSYNC_BIN = "/usr/bin/rsync"
 
 
+# ========== Logging Setup ===========
+syslog = logging.getLogger(__name__)
+
 # ========== Functions ==========
 def rsync(*args):
     """Run an rsync command.
@@ -19,4 +23,14 @@ def rsync(*args):
     :raises: subprocess.CalledProcessError if rsync process failed
     """
     cmd = [_RSYNC_BIN, *args]
-    subprocess.run(cmd, capture_output=True, check=True)
+
+    syslog.debug(f"rsync command: {cmd}")
+    syslog.info("Beginning rsync process")
+
+    try:
+        process = subprocess.run(cmd, capture_output=True, check=True)
+    except subprocess.CalledProcessError as e:
+        raise e
+
+    syslog.debug(process.stdout)
+    syslog.info("Process complete")