feat: add kernels list to distro interface

kernel/kernel.go

@@ -15,7 +15,6 @@ import (
 	"runtime"
 	"strings"
 
-	"github.com/naoina/toml"
 	"github.com/rs/zerolog/log"
 
 	"code.dumpstack.io/tools/out-of-tree/cache"
@@ -193,92 +192,6 @@ func GenRootfsImage(d container.Image, download bool) (rootfs string, err error)
 	return
 }
 
-func UpdateKernelsCfg(host, download bool) (err error) {
-	newkcfg := config.KernelConfig{}
-
-	if host {
-		// Get host kernels
-		newkcfg, err = genHostKernels(download)
-		if err != nil {
-			return
-		}
-	}
-
-	// Get docker kernels
-	dockerImages, err := container.Images()
-	if err != nil {
-		return
-	}
-
-	for _, d := range dockerImages {
-		//  TODO Requires changing the idea of how we list
-		//  kernels from containers to distro/-related
-		//  functions.
-		if strings.Contains(d.Name, "debian") {
-			err = debian.ContainerKernels(d, &newkcfg)
-			if err != nil {
-				log.Print("gen kernels", d.Name, ":", err)
-			}
-			continue
-		}
-
-		err = listContainersKernels(d, &newkcfg, download)
-		if err != nil {
-			log.Print("gen kernels", d.Name, ":", err)
-			continue
-		}
-	}
-
-	stripkcfg := config.KernelConfig{}
-	for _, nk := range newkcfg.Kernels {
-		if !hasKernel(nk, stripkcfg) {
-			stripkcfg.Kernels = append(stripkcfg.Kernels, nk)
-		}
-	}
-
-	buf, err := toml.Marshal(&stripkcfg)
-	if err != nil {
-		return
-	}
-
-	buf = append([]byte("# Autogenerated\n# DO NOT EDIT\n\n"), buf...)
-
-	kernelsCfgPath := config.File("kernels.toml")
-	err = ioutil.WriteFile(kernelsCfgPath, buf, 0644)
-	if err != nil {
-		return
-	}
-
-	log.Info().Msgf("%s is successfully updated", kernelsCfgPath)
-	return
-}
-
-func listContainersKernels(dii container.Image, newkcfg *config.KernelConfig,
-	download bool) (err error) {
-
-	c, err := container.New(dii.Distro)
-	if err != nil {
-		return
-	}
-
-	kernels, err := c.Kernels()
-	if err != nil {
-		return
-	}
-
-	newkcfg.Kernels = append(newkcfg.Kernels, kernels...)
-	return
-}
-
-func hasKernel(ki distro.KernelInfo, kcfg config.KernelConfig) bool {
-	for _, sk := range kcfg.Kernels {
-		if sk == ki {
-			return true
-		}
-	}
-	return false
-}
-
 func ShuffleStrings(a []string) []string {
 	// Fisher–Yates shuffle
 	for i := len(a) - 1; i > 0; i-- {

kernel/kernel_linux.go

@@ -21,7 +21,7 @@ import (
 	"code.dumpstack.io/tools/out-of-tree/fs"
 )
 
-func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
+func GenHostKernels(download bool) (kernels []distro.KernelInfo, err error) {
 	si := sysinfo.SysInfo{}
 	si.GetSysInfo()
 
@@ -97,7 +97,7 @@ func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
 			ki.VmlinuxPath = vmlinux
 		}
 
-		kcfg.Kernels = append(kcfg.Kernels, ki)
+		kernels = append(kernels, ki)
 	}
 
 	return