F #19: check one auth prior to major actions

Signed-off-by: Neal Hansen <[email protected]>

oneswap_helper.rb

@@ -312,6 +312,14 @@ def format_list
         end
     end
 
+    def check_one_connectivity
+        user = OpenNebula::User.new_with_id(OpenNebula::User::SELF, @client)
+        rc = user.info
+        if rc.class == OpenNebula::Error
+            raise 'Failed to get User info, indicating authentication failed'
+        end
+    end
+
     def cleanup_passwords
         puts "Deleting password files."
         File.delete("#{@options[:work_dir]}/vpassfile")
@@ -1479,6 +1487,7 @@ def add_one_nics(vm_template, vc_nics, vc_nic_backing)
     # @param options [Hash] User CLI options
     # @param object  [Hash] Object Type
     def list(options)
+        check_one_connectivity
         case options[:object]
         when 'datacenters'
             list_datacenters(options)
@@ -1496,6 +1505,7 @@ def list(options)
     # @param name    [Hash] Object Name
     # @param options [Hash] User CLI options
     def convert(name, options)
+        check_one_connectivity
         if !Dir.exist?(options[:work_dir])
             raise 'Provided working directory '\
                   "#{options[:work_dir]} doesn't exist"