diff options
Diffstat (limited to 'lib/ohai/plugins/root_group.rb')
| -rw-r--r-- | lib/ohai/plugins/root_group.rb | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/lib/ohai/plugins/root_group.rb b/lib/ohai/plugins/root_group.rb index 04fb6412..06bb2836 100644 --- a/lib/ohai/plugins/root_group.rb +++ b/lib/ohai/plugins/root_group.rb @@ -18,9 +18,34 @@ Ohai.plugin(:RootGroup) do provides "root_group" + # + # Performs a WMI query using WIN32OLE from the Ruby Stdlib + # + # @return [String] + # + def wmi_property_from_query(wmi_property, wmi_query) + @wmi = ::WIN32OLE.connect('winmgmts://') + result = @wmi.ExecQuery(wmi_query) + return nil unless result.each.count > 0 + result.each.next.send(wmi_property) + end + + # Per http://support.microsoft.com/kb/243330 SID: S-1-5-32-544 is the + # internal name for the Administrators group, which lets us work + # properly in environments with a renamed or localized name for the + # Administrators group. + # Use LocalAccount=True because otherwise WMI will attempt to include + # (unneeded) Active Directory groups by querying AD, which is a performance + # and reliability issue since AD might not be reachable. + def windows_root_group_name + wmi_property_from_query( + :name, + "select * from Win32_Group where sid like 'S-1-5-32-544' and LocalAccount=True" + ) + end + collect_data(:windows) do - require "ohai/util/win32/group_helper" - root_group Ohai::Util::Win32::GroupHelper.windows_root_group_name + root_group windows_root_group_name end collect_data(:default) do |