Exclude host kernel generation for macOS

kernel.go

@@ -19,7 +19,6 @@ import (
 	"time"
 
 	"github.com/naoina/toml"
-	"github.com/zcalusic/sysinfo"
 
 	"code.dumpstack.io/tools/out-of-tree/config"
 )
@@ -419,66 +418,6 @@ func listDockerImages() (diis []dockerImageInfo, err error) {
 	return
 }
 
-func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
-	si := sysinfo.SysInfo{}
-	si.GetSysInfo()
-
-	distroType, err := config.NewDistroType(si.OS.Vendor)
-	if err != nil {
-		return
-	}
-
-	cmd := exec.Command("ls", "/lib/modules")
-	rawOutput, err := cmd.CombinedOutput()
-	if err != nil {
-		log.Println(string(rawOutput), err)
-		return
-	}
-
-	kernelsBase := "/boot/"
-	files, err := ioutil.ReadDir(kernelsBase)
-	if err != nil {
-		return
-	}
-
-	// only for compatibility, docker is not really used
-	dii := dockerImageInfo{
-		ContainerName: config.KernelMask{
-			DistroType:    distroType,
-			DistroRelease: si.OS.Version,
-		}.DockerName(),
-	}
-
-	rootfs, err := genRootfsImage(dii, download)
-	if err != nil {
-		return
-	}
-
-	for _, k := range strings.Fields(string(rawOutput)) {
-		ki := config.KernelInfo{
-			DistroType:    distroType,
-			DistroRelease: si.OS.Version,
-			KernelRelease: k,
-
-			KernelSource: "/lib/modules/" + k + "/build",
-
-			KernelPath: kernelsBase + genKernelPath(files, k),
-			InitrdPath: kernelsBase + genInitrdPath(files, k),
-			RootFS:     rootfs,
-		}
-
-		vmlinux := "/usr/lib/debug/boot/vmlinux-" + k
-		log.Println("vmlinux", vmlinux)
-		if exists(vmlinux) {
-			ki.VmlinuxPath = vmlinux
-		}
-
-		kcfg.Kernels = append(kcfg.Kernels, ki)
-	}
-
-	return
-}
-
 func updateKernelsCfg(host, download bool) (err error) {
 	newkcfg := config.KernelConfig{}