[Vcloud] Fixup some version related stuffs

lib/fog/vcloud.rb

@@ -44,7 +44,7 @@ module Fog
       extend Fog::Vcloud::Generators
 
       attr_accessor :login_uri
-      attr_reader :supported_versions, :versions_uri
+      attr_reader :versions_uri
 
       def initialize(options = {})
         @connections = {}
@@ -53,7 +53,6 @@ module Fog
         @version = options[:version]
         @username = options[:username]
         @password = options[:password]
-        @login_uri = get_login_uri
         @persistent = options[:persistent]
       end
 
@@ -98,6 +97,9 @@ module Fog
         end
       end
 
+      def supported_versions
+        @supported_versions ||= get_versions(@versions_uri).body[:VersionInfo]
+      end
 
       private
 
@@ -118,31 +120,31 @@ module Fog
       end
 
       def supported_version_numbers
-        case @supported_versions
+        case supported_versions
         when Array
-          @supported_versions.map { |version| version[:Version] }
+          supported_versions.map { |version| version[:Version] }
         when Hash
-          @supported_versions[:Version]
+          [ supported_versions[:Version] ]
         end
       end
 
       def get_login_uri
         check_versions
-        URI.parse case @supported_versions
+        URI.parse case supported_versions
         when Array
-          @supported_versions.detect {|version| version[:Version] == @version }[:LoginUrl]
+          supported_versions.detect {|version| version[:Version] == @version }[:LoginUrl]
         when Hash
-          @supported_versions[:LoginUrl]
+          supported_versions[:LoginUrl]
         end
       end
 
-      # Load up @all_versions and @supported_versions from the provided :versions_uri
+      # Load up @all_versions and supported_versions from the provided :versions_uri
       # If there are no supported versions raise an error
       # And choose a default version is none is specified
       def check_versions
-        @supported_versions = get_versions(@versions_uri).body[:VersionInfo]
+        supported_versions = get_versions(@versions_uri).body[:VersionInfo]
 
-        if @supported_versions.empty?
+        if supported_versions.empty?
           raise UnsupportedVersion.new("No supported versions found @ #{@version_uri}")
         end
 
@@ -164,6 +166,7 @@ module Fog
       # login handles the auth, but we just need the Set-Cookie
       # header from that call.
       def do_login
+        @login_uri ||= get_login_uri
         @login_results = login
         @cookie = @login_results.headers['Set-Cookie']
       end
@@ -346,7 +349,6 @@ module Fog
 
       def initialize(credentials = {})
         @versions_uri = URI.parse('https://vcloud.fakey.com/api/versions')
-        @login_uri = get_login_uri
       end
 
       def mock_it(status, mock_data, mock_headers = {})

lib/fog/vcloud/extension.rb

@@ -12,9 +12,9 @@ module Fog
           end
           module #{other}::Mock
           end
-          module #{other}::Versions
-            SUPPORTED = @versions
-          end
+            def self.supported_versions
+              @versions
+            end
           def self.extended(klass)
             unless @required
               models.each do |model|

lib/fog/vcloud/terremark/ecloud.rb

@@ -63,7 +63,7 @@ module Fog
         request :power_reset
         request :power_shutdown
 
-        versions "v0.8b-ext2.3"
+        versions "v0.8b-ext2.3", "0.8b-ext2.3"
 
         module Mock
           def self.base_url
@@ -189,19 +189,20 @@ module Fog
           end
         end
 
+        module Real
+          private
 
-        private
-
-        # If we don't support any versions the service does, then raise an error.
-        # If the @version that super selected isn't in our supported list, then select one that is.
-        def check_versions
-          super
-          unless (supported_version_ids & Versions::SUPPORTED).length > 0
-            raise UnsupportedVersion.new("\nService @ #{@versions_uri} supports: #{supported_version_ids.join(', ')}\n" +
-                                         "Fog::Vcloud::Terremark::Ecloud supports: #{Versions::SUPPORTED.join(', ')}")
-          end
-          unless supported_version_ids.include?(@version)
-            @version = (supported_version_ids & Versions::SUPPORTED).sort.first
+          # If we don't support any versions the service does, then raise an error.
+          # If the @version that super selected isn't in our supported list, then select one that is.
+          def check_versions
+            super
+            unless (supported_version_numbers & Fog::Vcloud::Terremark::Ecloud.supported_versions).length > 0
+              raise UnsupportedVersion.new("\nService @ #{@versions_uri} supports: #{supported_version_numbers.join(', ')}\n" +
+                                           "Fog::Vcloud::Terremark::Ecloud supports: #{Fog::Vcloud::Terremark::Ecloud.supported_versions.join(', ')}")
+            end
+            unless supported_version_numbers.include?(@version)
+              @version = (supported_version_numbers & Fog::Vcloud::Terremark::Ecloud.supported_versions).sort.first
+            end
           end
         end
       end