diff --git a/cdk-testsuite/README.md b/cdk-testsuite/README.md
index e69de29..326169e 100644
--- a/cdk-testsuite/README.md
+++ b/cdk-testsuite/README.md
@@ -0,0 +1,21 @@
+Variables which can be used in tests and shall be provided by yaml config
+=========================================================================
+
+| variable                  |   example value                 | note
+| --------------------------|---------------------------------|----------------
+| HOST_PLATFORM             |         lin                       |
+| vagrant_SHARING           |        1                          |
+| vagrant_BOX_PATH          |       ~/rhel-7.2.libvirt.box      |
+| vagrant_PLUGINS_DIR       |        ~/cdk/plugins              |
+| vagrant_VAGRANTFILE_DIRS  |        "fist/path second/path"    |
+| vagrant_RHN_USERNAME      |        me@redhat.com              |
+| vagrant_RHN_PASSWORD      |        s9Esrdfl2Qxl@0*n           |
+| vagrant_RHN_SERVER_URL    |       ?                           |
+| vagrant_PROVIDER          |        libvirt                    |
+| vagrant_SCL               |        sclo-vagrant1              |
+| openshift_USERNAME        |        openshift-dev              |
+| openshift_PASSWORD        |        devel                      |
+| openshift_console_URL     |       10.1.2.2:8443               |
+| openshift_REGISTRY        |       ?                           | need more discussion
+| openshift_(Name)_PROJECT  |       ?                           | need more discussion
+