Sync with latest version of openstack.common.cfg

Changes since last sync:

 - Modifies _is_opt_registered fcn to check for duplicate opts
 - allow empty config values

Change-Id: I5150404a0ff97f37d1d1f1b778736fa385d33860

2 files changed, 6 insertions, 2 deletions

diff --git a/nova/openstack/common/cfg.py b/nova/openstack/common/cfg.py
index 64411180f..c0b0161ff 100644
--- a/nova/openstack/common/cfg.py
+++ b/nova/openstack/common/cfg.py
@@ -464,7 +464,7 @@ def _is_opt_registered(opts, opt):
     :raises: DuplicateOptError if a naming conflict is detected
     """
     if opt.dest in opts:
-        if opts[opt.dest]['opt'] is not opt:
+        if opts[opt.dest]['opt'] != opt:
             raise DuplicateOptError(opt.name)
         return True
     else:
@@ -527,6 +527,9 @@ class Opt(object):
         else:
             self.deprecated_name = None
 
+    def __ne__(self, another):
+        return vars(self) != vars(another)
+
     def _get_from_config_parser(self, cparser, section):
         """Retrieves the option value from a MultiConfigParser object.
 
diff --git a/nova/openstack/common/iniparser.py b/nova/openstack/common/iniparser.py
index e91eea538..241284449 100644
--- a/nova/openstack/common/iniparser.py
+++ b/nova/openstack/common/iniparser.py
@@ -53,7 +53,8 @@ class BaseParser(object):
             key, value = line[:colon], line[colon + 1:]
 
         value = value.strip()
-        if value[0] == value[-1] and value[0] == "\"" or value[0] == "'":
+        if ((value and value[0] == value[-1]) and
+            (value[0] == "\"" or value[0] == "'")):
             value = value[1:-1]
         return key.strip(), [value]