python: solve ComputerSystem issues

Added ComputerSystem module to lmi.providers with convenience functions
allowing to obtain instance from CIMOM and check for its correctness
when inspecting client's input.

Also removed obsoleted system_name property out of BaseConfiguration
class.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/python/lmi/base/BaseConfiguration.py b/src/python/lmi/base/BaseConfiguration.py
index 8333cca..baabcc6 100644
--- a/src/python/lmi/base/BaseConfiguration.py
+++ b/src/python/lmi/base/BaseConfiguration.py
@@ -72,6 +72,10 @@ class BaseConfiguration(Singleton):
         There should be only one instance of this class.
     """
 
+    #: Allow to access global configuration object also from lmi.providers
+    #: subpackage where ``get_instance()`` can not be used.
+    #: This variable shall be set in ``__init__()`` method.
+    INSTANCE = None
     CONFIG_DIRECTORY_TEMPLATE_TOPLEVEL = '/etc/openlmi/'
     CONFIG_DIRECTORY_TEMPLATE_PROVIDER = '/etc/openlmi/%(provider_prefix)s/'
     CONFIG_FILE_PATH_TEMPLATE_TOPLEVEL = \
@@ -152,6 +156,7 @@ class BaseConfiguration(Singleton):
         self.config = ConfigParser.SafeConfigParser(
                 defaults=self.default_options())
         self.load()
+        BaseConfiguration.INSTANCE = self
 
     def add_listener(self, callback):
         """
@@ -199,11 +204,6 @@ class BaseConfiguration(Singleton):
         return self.config.get('CIM', 'SystemClassName')
 
     @property
-    def system_name(self):
-        """ Return SystemName of OpenLMI provider. """
-        return socket.getfqdn()
-
-    @property
     def logging_level(self):
         """ Return name of logging level in lower case. """
         return self.config.get('Log', 'Level').lower()