This call to docker exec simply returns a number. No interaction (stdin) or tty is required. Specifically, having the -t option prevents running via salt using a command such as:
> salt '*' cmd.run 'so-redis-count'
* Remove sudo from scripts that are already running as sudo
* Also remove sudo from several so scripts and add sudo check
* Remove .sh extension from user facing scripts
* Remove superfluous # characters from so scripts
* Rename scripts to follow so-{subject}-{verb} naming convention
* Add shebangs where missing
