B #3335: Add default zone endpoint

This is a new user templatate attribute that is understood by Sunstone,
users with this setting will be logged in automatically in their
default zone (if no session is available)

src/sunstone/sunstone-server.rb

@@ -55,6 +55,7 @@
 GROUP_ADMIN_DEFAULT_VIEW_XPATH = 'TEMPLATE/SUNSTONE/GROUP_ADMIN_DEFAULT_VIEW'
 TABLE_DEFAULT_PAGE_LENGTH_XPATH = 'TEMPLATE/SUNSTONE/TABLE_DEFAULT_PAGE_LENGTH'
 LANG_XPATH = 'TEMPLATE/SUNSTONE/LANG'
+DEFAULT_ZONE_ENDPOINT_XPATH = 'TEMPLATE/SUNSTONE/DEFAULT_ZONE_ENDPOINT'
 
 ONED_CONF_OPTS = {
     # If no costs are defined in oned.conf these values will be used
@@ -308,6 +309,13 @@ def build_session
                 session[:page_length] = DEFAULT_PAGE_LENGTH
             end
 
+            # If active zone endpoint is not defined, pull it
+            # from user template if exists
+            unless user[DEFAULT_ZONE_ENDPOINT_XPATH].nil?
+                session[:active_zone_endpoint] ||=
+                    user[DEFAULT_ZONE_ENDPOINT_XPATH]
+            end
+
             wss = $conf[:vnc_proxy_support_wss]
             #limit to yes,no options
             session[:vnc_wss] = (wss == true || wss == "yes" || wss == "only" ?
@@ -730,7 +738,7 @@ def destroy_session
     if params[:zone_id] && session[:federation_mode] != "STANDALONE"
         zone = OpenNebula::Zone.new_with_id(params[:zone_id].to_i,
                                             $cloud_auth.client(session[:user],
-                                                session[:active_zone_endpoint]))
+                                            session[:active_zone_endpoint]))
 
         rc   = zone.info
         return [500, rc.message] if OpenNebula.is_error?(rc)