logging: port to standard Python logging

Use the standard `logging` module to configure logging instead of the
in-house `ipapython.log_manager` module and remove `ipapython.log_manager`.

Disable the logging-not-lazy and logging-format-interpolation pylint
checks.

Reviewed-By: Martin Basti <mbasti@redhat.com>

ipatests/pytest_plugins/beakerlib.py

@@ -25,20 +25,18 @@ If the plugin is active, sets up IPA logging to also log to Beaker.
 
 import logging
 
-from ipapython.ipa_log_manager import log_mgr
+from ipapython.ipa_log_manager import Formatter, root_logger
 
 
 def pytest_configure(config):
     plugin = config.pluginmanager.getplugin('BeakerLibPlugin')
     if plugin:
+        root_logger.setLevel(logging.DEBUG)
+
         handler = BeakerLibLogHandler(plugin.run_beakerlib_command)
-        log_mgr.configure(
-            {
-                'default_level': 'DEBUG',
-                'handlers': [{'log_handler': handler,
-                              'format': '[%(name)s] %(message)s',
-                              'level': 'info'}]},
-            configure_state='beakerlib_plugin')
+        handler.setLevel(logging.INFO)
+        handler.setFormatter(Formatter('[%(name)s] %(message)s'))
+        root_logger.addHandler(handler)
 
 
 class BeakerLibLogHandler(logging.Handler):

ipatests/pytest_plugins/nose_compat.py

@@ -23,7 +23,7 @@ import os
 import sys
 import logging
 
-from ipapython.ipa_log_manager import log_mgr
+from ipapython.ipa_log_manager import Formatter, root_logger
 
 
 def pytest_addoption(parser):
@@ -61,13 +61,7 @@ def pytest_configure(config):
                     capture._capturing.resume_capturing()
                 sys.stdout, sys.stderr = orig_stdout, orig_stderr
 
-        log_mgr.configure(
-            {
-                'default_level': config.getoption('logging_level'),
-                'handlers': [{'log_handler': LogHandler(),
-                            'format': '[%(name)s] %(message)s',
-                            'level': 'debug'},
-                            {'level': 'debug',
-                            'name': 'real_stderr',
-                            'stream': sys.stderr}]},
-            configure_state='tests')
+        handler = LogHandler()
+        handler.setFormatter(Formatter('[%(name)s] %(message)s'))
+        handler.setLevel(config.getoption('logging_level'))
+        root_logger.addHandler(handler)