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Using Get-CmiInstance to detect Hyper-V availability #13596

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Feb 23, 2022
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Using Get-CmiInstance to detect Hyper-V availability #13596

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14 changes: 10 additions & 4 deletions pkg/minikube/registry/drvs/hyperv/hyperv.go
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Original file line number Diff line number Diff line change
Expand Up @@ -91,13 +91,19 @@ func status() registry.State {
ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
defer cancel()

cmd := exec.CommandContext(ctx, path, "-NoProfile", "-NonInteractive", "@(Get-Wmiobject Win32_ComputerSystem).HypervisorPresent")
cmd := exec.CommandContext(ctx, path, "-NoProfile", "-NonInteractive", "@(Get-CimInstance Win32_ComputerSystem).HypervisorPresent")
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will this work on Old windows versions ?

how about we put the old way as Fail Over option ? if this fails lets try the old way (maybe someone with old windows) ?

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@NikhilSharmaWe NikhilSharmaWe Feb 10, 2022 •
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I think that will be a nice addition
Should add it and you can review the changes for further improvements ?

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Any computer running Windows 7 or greater and Server 2008 SP2 and greater can AND should use PSRemoting instead of WMI. Cim has been supported for a very long time so I don't think we have to worry too much about having a fail over option. But I'm not against it either.

out, err := cmd.CombinedOutput()

if err != nil {
errorMessage := fmt.Errorf("%s failed:\n%s", strings.Join(cmd.Args, " "), out)
fixMessage := "Start PowerShell as an Administrator"
return registry.State{Installed: false, Running: true, Error: errorMessage, Fix: fixMessage, Doc: docURL}
cimError := fmt.Errorf("%s failed:\n%s ", strings.Join(cmd.Args, " "), out)
cmd := exec.CommandContext(ctx, path, "-NoProfile", "-NonInteractive", "@(Get-Wmiobject Win32_ComputerSystem).HypervisorPresent")
out, err := cmd.CombinedOutput()
if err != nil {
wmiError:= fmt.Errorf("%s failed:\n%s ", strings.Join(cmd.Args, " "), out)
errorMessage := fmt.Errorf("%s\n%s", cimError, wmiError)
fixMessage := "Start PowerShell as an Administrator"
return registry.State{Installed: false, Running: true, Error: errorMessage, Fix: fixMessage, Doc: docURL}
}
}

// Get-Wmiobject does not return an error code for false
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