Use wmi-lite for WMI query

Signed-off-by: Anton Kvashenkin <anton.jugatsu@gmail.com>

1 files changed, 12 insertions, 26 deletions

diff --git a/lib/ohai/plugins/root_group.rb b/lib/ohai/plugins/root_group.rb
index 8b290987..3059fcae 100644
--- a/lib/ohai/plugins/root_group.rb
+++ b/lib/ohai/plugins/root_group.rb
@@ -18,33 +18,19 @@
 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 "wmi-lite/wmi"
+
+    wmi = WmiLite::Wmi.new
+    # 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.
+	  groups = wmi.query("select * from Win32_Group where sid like 'S-1-5-32-544' and LocalAccount=True")
+	  windows_root_group_name = groups[0]["name"]
     root_group windows_root_group_name
   end