docs: Mention step to setup nodes on OpenStack

The --setup step was missing which lead to cryptic error messages when
running the following step (calling the dummy test suite).

diff --git a/docs/openstack_backend.rst b/docs/openstack_backend.rst
index b8041f49ef6f95eb3dbbc77f70d6bb65aa6d0fb2..cc0bb3fc4e459ca61c97cf47de02d2d85478ec11 100644 (file)
--- a/docs/openstack_backend.rst
+++ b/docs/openstack_backend.rst
@@ -31,6 +31,10 @@ Setup
     $ cd teuthology ; ./bootstrap install
     $ source virtualenv/bin/activate
 
+* Setup the teuthology node::
+
+    $ teuthology-openstack --key-filename myself.pem --key-name myself --setup
+
 Get OpenStack credentials and test it
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