[wpkg-users] RFC: WMI checks
lists at malte.homeip.net
Tue Oct 9 14:14:38 CEST 2012
I'm currently preparing a migration from XP/2003 to Windows 7/2008 R2 and one
thing that affects Windows Updates is that there is no longer a simple
registry check available as in HKLM\SOFTWARE\Microsoft\Updates\...
I've hacked together a very basic implementation of a new check type "wmi"
that allows to query (surprise) WMI objects as a basis for package checks.
What currently works is an "exists" check that interprets the check's "path"
attribute as an object path and checks whether such an instance exists.
<check type="wmi" condition="exists"
One obvious enhancement would be to a "condition" that allows for "path" to
contain a complete WQL query. But before considering this further and what
combinations of condition/path/value would make sense, I'd like to check if
there is any interest in this at all and if it has a chance to make it into
I'm aware that execute checks with wmic or custom scripts can be used here,
but such an approach would come with a very high performance penalty when it's
trivial to run the check right from WPKG.
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