Merge pull request #95 from stackhpc/updateDocs

Update auth instructions

Author: GavinHeff

README.rst

@@ -133,15 +133,15 @@ supported.
 
    ssh-keygen -t rsa -f id_rsa -N ''
 
-Create an OpenStack clouds.yaml file with your credentials to access an
+Create an OpenStack clouds.yml file with your credentials to access an
 OpenStack cloud. Alternatively, download and source an openrc file from Horizon.
 
 .. code-block:: console
 
-   cat << EOF > clouds.yaml
+   cat << EOF > clouds.yml
    ---
    clouds:
-     sms-lab:
+     openstack:
        auth:
          auth_url: https://api.sms-lab.cloud:5000
          username: <username>
@@ -154,9 +154,8 @@ Export environment variables to use the correct cloud and provide a password (yo
 
 .. code-block:: console
 
-   export OS_CLOUD=sms-lab
-   read -p OS_PASSWORD -s OS_PASSWORD
-   export OS_PASSWORD
+   export OS_CLOUD=openstack
+   export OS_CLOUD_CONFIG_FILE=<path>/<to>/clouds.yml
 
 Or you can source the provided `init.sh` script which shall initialise terraform and export two variables.
 `OS_CLOUD` is a variable which is used by Terraform and must match an entry within `clouds.yml` (Not needed if you have sourced the openrc file).
@@ -182,7 +181,7 @@ Or you can source the provided `init.sh` script which shall initialise terraform
    If you ever set or change modules or backend configuration for Terraform,
    rerun this command to reinitialize your working directory. If you forget, other
    commands will detect it and remind you to do so if necessary.
-   OpenStack Cloud Name: sms-lab
+   OpenStack Cloud Name: openstack
    Password:
 
 You must ensure that you have `Ansible installed <https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html>`_ on your local machine.