From 09e6bcd34e03138cf09c96abb9fbedcca0fccc7a Mon Sep 17 00:00:00 2001
From: Rupak Ganguly <rupakg@gmail.com>
Date: Tue, 15 May 2012 12:07:45 -0400
Subject: [PATCH] Minor fix and add a destroy method.

---
 lib/fog/hp/models/compute/metadata.rb | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/lib/fog/hp/models/compute/metadata.rb b/lib/fog/hp/models/compute/metadata.rb
index b1df0b48a..dbf52dd2b 100644
--- a/lib/fog/hp/models/compute/metadata.rb
+++ b/lib/fog/hp/models/compute/metadata.rb
@@ -16,10 +16,19 @@ module Fog
 
         def all
           requires :parent
-          metadata = connection.list_metadata(collection_name, @parent.id).body['metadata']
-          metas = []
-          metadata.each_pair {|k,v| metas << {"key" => k, "value" => v} }
-          load(metas)
+          if @parent.id
+            metadata = connection.list_metadata(collection_name, @parent.id).body['metadata']
+            metas = []
+            metadata.each_pair {|k,v| metas << {"key" => k, "value" => v} }
+            load(metas)
+          end
+        end
+
+        def destroy(key)
+          requires :parent
+          connection.delete_meta(collection_name, @parent.id, key)
+        rescue Fog::Compute::HP::NotFound
+          nil
         end
 
         def get(key)
@@ -32,9 +41,9 @@ module Fog
           nil
         end
 
-        def update(data=nil)
+        def new(attributes = {})
           requires :parent
-          connection.update_metadata(collection_name, @parent.id, meta_hash(data))
+          super({ :parent => @parent }.merge!(attributes))
         end
 
         def set(data=nil)
@@ -42,11 +51,12 @@ module Fog
           connection.set_metadata(collection_name, @parent.id, meta_hash(data))
         end
 
-        def new(attributes = {})
+        def update(data=nil)
           requires :parent
-          super({ :parent => @parent }.merge!(attributes))
+          connection.update_metadata(collection_name, @parent.id, meta_hash(data))
         end
 
+
         private
         def meta_hash(data=nil)
           if data.nil?