-\[REPO SYNC\] add support for CentOS8 [\#119](https://github.com/cloudalchemy/ansible-node-exporter/pull/119)([cloudalchemybot](https://github.com/cloudalchemybot))
- tasks: remove already covered entries when choosing an OS specific vars [\#118](https://github.com/cloudalchemy/ansible-node-exporter/pull/118)([paulfantom](https://github.com/paulfantom))
- Run preflight tasks to register variables when check\_mode is enabled [\#117](https://github.com/cloudalchemy/ansible-node-exporter/pull/117)([paulfantom](https://github.com/paulfantom))
- tasks: do not touch any settings of system directory /usr/local/bin [\#116](https://github.com/cloudalchemy/ansible-node-exporter/pull/116)([paulfantom](https://github.com/paulfantom))