github.com/Heebron/moby@v0.0.0-20221111184709-6eab4f55faf7/pkg/parsers/kernel/kernel_unix.go (about)

     1  //go:build linux || freebsd || openbsd
     2  // +build linux freebsd openbsd
     3  
     4  package kernel // import "github.com/docker/docker/pkg/parsers/kernel"
     5  
     6  import (
     7  	"github.com/sirupsen/logrus"
     8  	"golang.org/x/sys/unix"
     9  )
    10  
    11  // GetKernelVersion gets the current kernel version.
    12  func GetKernelVersion() (*VersionInfo, error) {
    13  	uts, err := uname()
    14  	if err != nil {
    15  		return nil, err
    16  	}
    17  
    18  	// Remove the \x00 from the release for Atoi to parse correctly
    19  	return ParseRelease(unix.ByteSliceToString(uts.Release[:]))
    20  }
    21  
    22  // CheckKernelVersion checks if current kernel is newer than (or equal to)
    23  // the given version.
    24  func CheckKernelVersion(k, major, minor int) bool {
    25  	if v, err := GetKernelVersion(); err != nil {
    26  		logrus.Warnf("error getting kernel version: %s", err)
    27  	} else {
    28  		if CompareKernelVersion(*v, VersionInfo{Kernel: k, Major: major, Minor: minor}) < 0 {
    29  			return false
    30  		}
    31  	}
    32  	return true
    33  }