README: add example for variable override

Change-Id: Ic63b298a185e7493032b6b59943db8e8bd42b18c Signed-off-by: George Melikov <mail@gmelikov.ru>
3 years ago · 685e79ab0f
parent 73524efb43
commit 685e79ab0f
1 changed files with 11 additions and 0 deletions
--- a/README.rst
+++ b/README.rst
@ -56,3 +56,14 @@ For example, running:
    tox -e buildimage -- -s cifs

 Will generate an Ubuntu based image with CIFS.
+
+Configurable variables
+----------------------
+
+You can override some build variables from ``manila-image-create``, for example:
+
+.. sourcecode:: bash
+
+    export DHCP_TIMEOUT=600
+    export MANILA_PASSWORD=PASSWORD
+    tox -e buildimage