Log Message:
Update ruby-ohai to 8.12.0.

8.12.0 (2016-03-09)

Full Changelog

Implemented enhancements:

* add plugin to detect user sessions using loginctl #766 (davide125)
* Improve virtualization detection on Solaris #760 (tas50)
* Improve FreeBSD guest virtualization detection #756 (tas50)
* Detect Openstack hosts #751 (tas50)
* Improve KVM host and guest detection #750 (tas50)
* Update GCE metadata API version and fail better #736 (tas50)

Fixed bugs:

* Make ohai work with Chef 12.7 and below #768 (jkeiser)
* Remove XML output in VirtualizationInfo and need for hpricot gem #755 (tas50)

v8.11.1 (2016-03-08)

Full Changelog

Implemented enhancements:

* Detect Azure on non-bootstrapped hosts #657
* Deprecate run_command and popen4 in the command mixin #730 (tas50)
* OHAI-726 Regex to support openjdk 1.8 #727 (davidnewman)
* Add support for the 2 latest EC2 metadata versions #725 (tas50)
* Improved debug logging for cloud plugins #724 (tas50)
* Detect paravirt amazon instances without hint files #722 (tas50)
* Detect Azure using the Azure agent and DHCP options #714 (tas50)

Fixed bugs:

* Use escape_glob_dir instead of escape_glob #747 (jaym)
* have a proper dependency on plist #737 (thommay)
* Fix digital ocean ip address detection #735 (ctso)
* Log sigar gem load failures #731 (tas50)
* ipaddress on Linux - default route pointing to unaddressed interface, with \ 
route src #682 (glennmatthews)

Release 8.10.0

* pr#720 Make Windows driver plugin opt-in via config
* pr#717 Don't enable packages plugin by default
* pr#711 Improve EC2 detection for HVM instances when a hint isn't present

Release 8.9.0

* phreakocious:
    - Collect layer 1 Ethernet information per NIC on Linux hosts
* Mark Gibbons:
    - Add kernel[:processor] with output of uname -p output
* Shahul Khajamohideen
    - Add packages plugin
* electrolinux
    - Add "alpine" platform and platform_family
* Julien Berard
    - Add instance_id to rackspace plugin
* Matt Whiteley
    - Allow route table override
* JM Howard Brown
    - Add tests and queue_depth to block_device
* pr#672 CPU plugin for Darwin (OS X) now properly reports the number of real \ 
CPUs adds "cores" to match the CPU output on Linux
    pr#674 CPU plugin for FreeBSD now reports "real" and \ 
"core" values to match the CPU output on Linux
* pr#654 Improvements to filesystem and wpar detection on AIX
* pr#683 Properly detect the init package on older Linux kernels
* pr#684 Remove non-functional cucumber tests
* pr#695 Fix detection of mac address on IPv6 only systems
* pr#703 Enable ChefStyle per RFC 64