make test: add log.txt

Always create a log.txt under test's temporary directory containing
V=2 output for debugging purposes.

Change-Id: If149c8126f42f80724ee17b63c411ddec6645f85
Signed-off-by: Klement Sekera <ksekera@cisco.com>

2 files changed, 13 insertions, 8 deletions

diff --git a/test/framework.py b/test/framework.py
index 1c3e56cc827..1b745ff3e3c 100644
--- a/test/framework.py
+++ b/test/framework.py
@@ -13,6 +13,7 @@ from vpp_pg_interface import VppPGInterface
 from vpp_lo_interface import VppLoInterface
 from vpp_papi_provider import VppPapiProvider
 from scapy.packet import Raw
+from logging import FileHandler, DEBUG
 from log import *
 
 """
@@ -175,6 +176,9 @@ class VppTestCase(unittest.TestCase):
         cls.logger = getLogger(cls.__name__)
         cls.tempdir = tempfile.mkdtemp(
             prefix='vpp-unittest-' + cls.__name__ + '-')
+        file_handler = FileHandler("%s/log.txt" % cls.tempdir)
+        file_handler.setLevel(DEBUG)
+        cls.logger.addHandler(file_handler)
         cls.shm_prefix = cls.tempdir.split("/")[-1]
         os.chdir(cls.tempdir)
         cls.logger.info("Temporary dir is %s, shm prefix is %s",
diff --git a/test/log.py b/test/log.py
index 5a6219ce973..cca542b4527 100644
--- a/test/log.py
+++ b/test/log.py
@@ -24,13 +24,6 @@ class ColorFormatter(logging.Formatter):
         if hasattr(record, 'color'):
             message = colorize(message, record.color)
         return message
-
-handler = logging.StreamHandler(sys.stdout)
-handler.setFormatter(ColorFormatter(fmt='%(asctime)s,%(msecs)03d %(message)s',
-                                    datefmt="%H:%M:%S"))
-
-global_logger = logging.getLogger()
-global_logger.addHandler(handler)
 try:
     verbose = int(os.getenv("V", 0))
 except:
@@ -44,13 +37,21 @@ elif verbose == 1:
 else:
     log_level = 40
 
+handler = logging.StreamHandler(sys.stdout)
+handler.setFormatter(ColorFormatter(fmt='%(asctime)s,%(msecs)03d %(message)s',
+                                    datefmt="%H:%M:%S"))
+handler.setLevel(log_level)
+
+global_logger = logging.getLogger()
+global_logger.addHandler(handler)
+
 scapy_logger = logging.getLogger("scapy.runtime")
 scapy_logger.setLevel(logging.ERROR)
 
 
 def getLogger(name):
     logger = logging.getLogger(name)
-    logger.setLevel(log_level)
+    logger.setLevel(logging.DEBUG)
     return logger
 
 # Static variables to store color formatting strings.