This plugin provides basic IPMI controls through knife. It requires that your nodes have populated IPMI information such as that provided by the ohai-ipmi plugin.
ruby-ipmitool
ohai-ipmi - In order to populate IPMI data on the Chef::Node
The plugin currently provides power controls 'on', 'off', 'status', 'reset', 'soft' which equate directly to their IPMI namesakes.
knife ipmi power on NODE
knife ipmi power off NODE
knife ipmi power status NODE
knife ipmi power reset NODE
knife ipmi power soft NODE