commit 0210aad858840d4a1ce6ce2ebd921242b4b0dbed

Author: Bohuslav Kabrda <bkabrda@redhat.com>

Date:   Thu Jan 26 14:25:17 2012 +0100

    Make the metadata methods work with Ruby 1.9

diff --git a/lib/openstack/compute/metadata.rb b/lib/openstack/compute/metadata.rb

index ec4574e..43992ba 100644

--- a/lib/openstack/compute/metadata.rb

+++ b/lib/openstack/compute/metadata.rb

@@ -55,6 +55,7 @@ module Compute

         response = @connection.req('POST', @base_url, :data => json)

         @metadata = JSON.parse(response.body)['metadata']

       else

+        keys = [keys] unless keys.is_a? Array

         keys.each { |key|

           next if not @metadata.has_key?(key)

           json = JSON.generate(:meta => { key => @metadata[key] })

@@ -69,6 +70,7 @@ module Compute

         @metadata = JSON.parse(response.body)['metadata']

       else

         @metadata = {} if @metadata == nil

+        keys = [keys] unless keys.is_a? Array

         keys.each { |key|

           response = @connection.req('GET', "#{@base_url}/#{key}")

           next if response.code == "404"

@@ -80,12 +82,14 @@ module Compute

     def delete(keys)

       return if @metadata.nil?

+      keys = [keys] unless keys.is_a? Array

       keys.each { |key|

         @metadata.delete(key)

       }

     end

     def delete!(keys)

+      keys = [keys] unless keys.is_a? Array

       keys.each { |key|

         @connection.req('DELETE', "#{@base_url}/#{key}")

         @metadata.delete(key) if not @metadata.nil?