Docker role reinstall on each run.

Summary

Docker role reinstall on each run.

Steps to reproduce

• run deploy action with docker_version: "18.09.1"
• run deploy action again

Expected behavior

second run should not change anything

Actual behavior

on second run docker is uninstalled and installed again

Relevant logs and/or screenshots

rpm -qa docker*
docker-ce-cli-18.09.2-3.el7.x86_64
docker-ce-18.09.1-3.el7.x86_64

Possible fixes

We may specify docker-ce-cli version, but if it work for versions before it was added?