Add support for components override

[ext/instance-debootstrap.git] / README

diff --git a/README b/README
index 893804f..3fe7dfb 100644 (file)
--- a/README
+++ b/README
@@ -58,6 +58,9 @@ named 'defaults' in the source distribution for more details):
 - EXTRAPKGS: most OSes will need some extra packages installed to make
   them work nicely under Xen; the example file containts a few
   suggestions
+- COMPONENTS: if defined, overrides the default debootstrap components
+  ("main"); this can be helpful e.g. by using "main,contrib,nonfree" for
+  Debian, or "main,universe" for Ubuntu
 - CUSTOMIZE_DIR: a directory containing customization script for the
   instance.  (by default $sysconfdir/ganeti/instance-debootstrap/hooks)
   See "Customization of the instance" below.