wsman is the command-line client that is part of the Openswman project's wsmancli
This is a command-line client for managing WS-Management API enabled hosts.
This project uses the opensuse base docker image as the latest version of wsmancli is available at the open build service
Most RPM-based Linux distributions ship the wsmancli package as well.
docker run -ti --rm ianblenke/wsman [Option...] <action> <Resource Uri>