From 3e5c0707bb01bc0e3cbed32af3933c2641c0064b Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Mon, 27 Nov 2017 15:24:16 -0800
Subject: [PATCH] Redirect yum's logging to yum.log

---
 src/pylorax/api/yumbase.py | 2 ++
 src/sbin/lorax-composer    | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/pylorax/api/yumbase.py b/src/pylorax/api/yumbase.py
index 18377e68..996bfeca 100644
--- a/src/pylorax/api/yumbase.py
+++ b/src/pylorax/api/yumbase.py
@@ -22,6 +22,8 @@ from fnmatch import fnmatchcase
 from glob import glob
 import os
 import yum
+# This is a hack to short circuit yum's internal logging
+yum.logginglevels._added_handlers = True
 
 from pylorax.sysutils import joinpaths
 
diff --git a/src/sbin/lorax-composer b/src/sbin/lorax-composer
index 2c3df668..d9c45015 100755
--- a/src/sbin/lorax-composer
+++ b/src/sbin/lorax-composer
@@ -22,6 +22,7 @@ log = logging.getLogger("lorax-composer")
 program_log = logging.getLogger("program")
 pylorax_log = logging.getLogger("pylorax")
 server_log = logging.getLogger("server")
+yum_log = logging.getLogger("yum")
 
 import argparse
 import os
@@ -96,6 +97,13 @@ def setup_logging(logfile):
     fh.setLevel(logging.DEBUG)
     server_log.addHandler(fh)
 
+    # YUM logging
+    yum_log.setLevel(logging.DEBUG)
+    logfile = os.path.abspath(os.path.dirname(logfile))+"/yum.log"
+    fh = logging.FileHandler(filename=logfile)
+    fh.setLevel(logging.DEBUG)
+    yum_log.addHandler(fh)
+
 
 class LogWrapper(object):
     """Wrapper for the WSGIServer which only calls write()"""