github.com/lacework-dev/go-moby@v20.10.12+incompatible/pkg/parsers/operatingsystem/operatingsystem_windows.go (about)

     1  package operatingsystem // import "github.com/docker/docker/pkg/parsers/operatingsystem"
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/Microsoft/hcsshim/osversion"
     7  	"golang.org/x/sys/windows/registry"
     8  )
     9  
    10  // GetOperatingSystem gets the name of the current operating system.
    11  func GetOperatingSystem() (string, error) {
    12  	os, err := withCurrentVersionRegistryKey(func(key registry.Key) (os string, err error) {
    13  		if os, _, err = key.GetStringValue("ProductName"); err != nil {
    14  			return "", err
    15  		}
    16  
    17  		releaseId, _, err := key.GetStringValue("ReleaseId")
    18  		if err != nil {
    19  			return
    20  		}
    21  		os = fmt.Sprintf("%s Version %s", os, releaseId)
    22  
    23  		buildNumber, _, err := key.GetStringValue("CurrentBuildNumber")
    24  		if err != nil {
    25  			return
    26  		}
    27  		ubr, _, err := key.GetIntegerValue("UBR")
    28  		if err != nil {
    29  			return
    30  		}
    31  		os = fmt.Sprintf("%s (OS Build %s.%d)", os, buildNumber, ubr)
    32  
    33  		return
    34  	})
    35  
    36  	if os == "" {
    37  		// Default return value
    38  		os = "Unknown Operating System"
    39  	}
    40  
    41  	return os, err
    42  }
    43  
    44  func withCurrentVersionRegistryKey(f func(registry.Key) (string, error)) (string, error) {
    45  	key, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
    46  	if err != nil {
    47  		return "", err
    48  	}
    49  	defer key.Close()
    50  	return f(key)
    51  }
    52  
    53  // GetOperatingSystemVersion gets the version of the current operating system, as a string.
    54  func GetOperatingSystemVersion() (string, error) {
    55  	version := osversion.Get()
    56  	return fmt.Sprintf("%d.%d.%d", version.MajorVersion, version.MinorVersion, version.Build), nil
    57  }
    58  
    59  // IsContainerized returns true if we are running inside a container.
    60  // No-op on Windows, always returns false.
    61  func IsContainerized() (bool, error) {
    62  	return false, nil
    63  }