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hyperv: make Msvm_ComputerSystem WQL queries locale agnostic

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There are two specific WQL queries we're using to get either a list of
virtual machines or the hypervisor host itself from Msvm_ComputerSystem.
Those queries rely on filtering results based on the "Description"
field. Since the "Description" field is locale sensitive, the queries
will fail if the Windows host is using a language pack. While the WSMAN
spec allows the client to set the requested locale (and it is supported
since openwsman 2.6.x), the Windows WinRM service does not respect this
setting: it returns non-English strings despite the WSMAN request
properly setting the locale to 'en-US'. Therefore, this patch changes
the WQL query to make use of the "__SERVER" field to stop relying on
English strings in queries and side step the issue.

Co-authored-by: Dawid Zamirski <dzamirski@datto.com>
Signed-off-by: Matt Coleman <matt@datto.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Matt Coleman 2020-10-05 12:20:06 -04:00 committed by Michal Privoznik
parent 25fc56ed77
commit c1cfbaab25
1 changed files with 2 additions and 2 deletions
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4
src/hyperv/hyperv_wmi_classes.h
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@ -44,10 +44,10 @@
*/
#define MSVM_COMPUTERSYSTEM_WQL_VIRTUAL \
"Description = \"Microsoft Virtual Machine\" "
"Name != __SERVER "
#define MSVM_COMPUTERSYSTEM_WQL_PHYSICAL \
"Description = \"Microsoft Hosting Computer System\" "
"Name = __SERVER "
#define MSVM_COMPUTERSYSTEM_WQL_ACTIVE \
"(EnabledState != 0 and EnabledState != 3 and EnabledState != 32769) "