Update dependency for selinux

Author: brtkwr

README.md

@@ -13,18 +13,17 @@ This repo is split into two parts:
 
 ## Installation
 
+Ensure that `libselinux-python3` is installed:
+
+    sudo yum install -y libselinux-python3
+
 It is recommended to install python dependencies in a virtual environment:
 
-    virtualenv venv
+    virtualenv-3 venv
     source venv/bin/activate
     pip install -U pip
     pip install -r requirements.txt
 
-If SELinux is in use on the ansible control host, enable access to the
-`selinux` python module from the virtualenv:
-
-    ln -s /usr/lib64/python2.7/site-packages/selinux venv/lib/python2.7/site-packages/selinux
-
 Download and deploy the role from Ansible Galaxy:
 
     ansible-galaxy install -r ansible/requirements.yml -p $PWD/ansible/roles

requirements.txt

@@ -9,3 +9,4 @@ python-novaclient
 python-openstackclient
 python-ironicclient==3.1.2; python_version<='2.7'
 python-heatclient
+selinux