Allow to set matching_metadata with the cli1.0.2

This change allows to set the matching_metadata of a alarm like this:

 ceilometer alarm-create --matching-metadata 'key=value' \
      --matching-metadata 'key2=value2' --name 'alarm' ...

Fixes bug #1201877

Change-Id: I22bf261b0a9580a06ae107ed45d082171f21fcc4

1 files changed, 13 insertions, 0 deletions

diff --git a/ceilometerclient/common/utils.py b/ceilometerclient/common/utils.py
index f5e74c0..685a8bb 100644
--- a/ceilometerclient/common/utils.py
+++ b/ceilometerclient/common/utils.py
@@ -127,6 +127,19 @@ def import_versioned_module(version, submodule=None):
     return importutils.import_module(module)
 
 
+def args_array_to_dict(kwargs, key_to_convert):
+    values_to_convert = kwargs.get(key_to_convert)
+    if values_to_convert:
+        try:
+            kwargs[key_to_convert] = dict(v.split("=", 1)
+                                          for v in values_to_convert)
+        except ValueError:
+            raise exc.CommandError(
+                '%s must be a list of key=value not "%s"' % (
+                    key_to_convert, values_to_convert))
+    return kwargs
+
+
 def exit(msg=''):
     if msg:
         print >> sys.stderr, msg