Ansible has two SmartOS specific modules:
To run these you need python 2 in the global zone. This doesn't exist on SmartOS, so an easy way is to use pkgsrc to install it. See the instructions on the "64-bit tools (SmartOS GZ)" tab at https://pkgsrc.joyent.com for doing this.
Once that is done, you may write plays using the 2 modules. There are examples in the module documentation and on the module author's blog at:
Thanks to Jasper Lievisse Adriaanse for writing and sharing these modules!