There is currently no support for Ironic Baremetal Inspector API in gophercloud.
I started working on it and will have a PR open shortly.

Reference https://developer.openstack.org/api-ref/baremetal-introspection/

Authentication

• Keystone Baremetal Inspector Client Node Introspection #1486
• NoAUTH Baremetal Inspector noauth support #1531

Node Introspection

• Start Introspection Baremetal Inspector Client Node Introspection #1486
• Get Introspection status Baremetal Inspector Client Node Introspection #1486
• List All Introspection statuses Baremetal Inspector Client Node Introspection #1486
• Abort Introspection Baremetal Inspector Client Node Introspection #1486
• Get Introspection data Baremetal Inspector Client Node Introspection #1486
• Reapply Introspection on stored data Baremetal Inspector Client Node Introspection #1486

Introspection Rules

• Create Introspection Rule
• Get Introspection Rules
• Delete Introspection Rules
• Get Introspection Rule
• Delete Introspection Rule