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)

(cherry picked from commit 2bf20ac)

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)