logging improvements

this relates mostly to YumWorker separated process that does not use
cmpi_logging

3 files changed, 31 insertions, 8 deletions

diff --git a/src/software/openlmi/software/cimom_entry.py b/src/software/openlmi/software/cimom_entry.py
index eaa7b0c..ad944c8 100644
--- a/src/software/openlmi/software/cimom_entry.py
+++ b/src/software/openlmi/software/cimom_entry.py
@@ -70,6 +70,7 @@ def get_providers(env):
     """
     @return mapping of provider names to corresponding provider instances.
     """
+    cmpi_logging.LogManager.LOGGER_NAME = 'openlmi.software'
     cmpi_logging.LogManager(env)
 
     # jobmanager does not understand CIM models, give it a way to transform
diff --git a/src/software/openlmi/software/yumdb/__init__.py b/src/software/openlmi/software/yumdb/__init__.py
index bbf2364..04f2191 100644
--- a/src/software/openlmi/software/yumdb/__init__.py
+++ b/src/software/openlmi/software/yumdb/__init__.py
@@ -63,6 +63,7 @@ MAX_JOB_WAIT_TIME = 30
 # this may be used as an argument to YumWorker to setup logging
 YUM_WORKER_DEBUG_LOGGING_CONFIG = {
     "version" : 1,
+    'disable_existing_loggers' : True,
     "formatters": {
         # this is a message format for logging function/method calls
         # it's manually set up in YumWorker's init method
@@ -86,7 +87,7 @@ YUM_WORKER_DEBUG_LOGGING_CONFIG = {
         },
     "loggers" : {
         "root": {
-            "level": "ERROR",
+            "level": "DEBUG",
             "handlers" : ["file"]
             },
         "openlmi.software.yumdb": {
diff --git a/src/software/openlmi/software/yumdb/util.py b/src/software/openlmi/software/yumdb/util.py
index bd2a0ca..a1ab338 100644
--- a/src/software/openlmi/software/yumdb/util.py
+++ b/src/software/openlmi/software/yumdb/util.py
@@ -28,7 +28,7 @@ import inspect
 import logging
 import os
 
-from openlmi.software.yumdb import errors
+from openlmi.common import cmpi_logging
 
 class DispatchingFormatter:
     """
@@ -117,11 +117,12 @@ def trace_function(func):
                 logger.debug("%(caller_file)s:%(caller_lineno)d - %(action)s"
                     " %(module)s:%(func)s:%(lineno)d", logargs)
         except Exception as exc:
-            logargs['action'] = 'exiting'
-            logargs['error'] = str(exc)
-            logger.debug("%(caller_file)s:%(caller_lineno)d - %(action)s"
-                    " %(module)s:%(func)s:%(lineno)d with error: %(error)s",
-                    logargs)
+            if logger.isEnabledFor(logging.DEBUG):
+                logargs['action'] = 'exiting'
+                logargs['error'] = str(exc)
+                logger.debug("%(caller_file)s:%(caller_lineno)d - %(action)s"
+                        " %(module)s:%(func)s:%(lineno)d with error: %(error)s",
+                        logargs)
             raise
         return result
 
@@ -136,7 +137,27 @@ def setup_logging(config):
     """
     try:
         logging.config.dictConfig(config)
+        cmpi_logging.logger = logging.getLogger('openlmi.software.yumdb')
     except Exception:   #pylint: disable=W0703
         # logging is not set up but client expects us to work
-        pass
+        # all messages are dumped to /dev/null
+        logging.config.dictConfig({
+            'version' : 1,
+            'disable_existing_loggers' : True,
+            'handlers': {
+                'null' : {
+                    'class': 'logging.handlers.FileHandler',
+                    'level': 'CRITICAL',
+                    'filename': '/dev/null'
+                }
+            },
+            'loggers' : {
+                'root' : {
+                    'level': 'CRITICAL',
+                    'handlers' : ['null'],
+                    'propagate' : False
+                }
+            }
+        })
+