105 lines
2.1 KiB
Go
105 lines
2.1 KiB
Go
// Copyright 2023 Mikhail Klementev. All rights reserved.
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// Use of this source code is governed by a AGPLv3 license
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// (or later) that can be found in the LICENSE file.
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//go:build linux
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// +build linux
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package kernel
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import (
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"io/ioutil"
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"os/exec"
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"strings"
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"github.com/rs/zerolog/log"
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"github.com/zcalusic/sysinfo"
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"code.dumpstack.io/tools/out-of-tree/config"
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"code.dumpstack.io/tools/out-of-tree/container"
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"code.dumpstack.io/tools/out-of-tree/distro"
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"code.dumpstack.io/tools/out-of-tree/fs"
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)
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func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
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si := sysinfo.SysInfo{}
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si.GetSysInfo()
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distroType, err := distro.NewID(si.OS.Vendor)
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if err != nil {
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return
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}
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cmd := exec.Command("ls", "/lib/modules")
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log.Debug().Msgf("%v", cmd)
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rawOutput, err := cmd.CombinedOutput()
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if err != nil {
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log.Print(string(rawOutput), err)
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return
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}
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kernelsBase := "/boot/"
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bootfiles, err := ioutil.ReadDir(kernelsBase)
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if err != nil {
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return
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}
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// only for compatibility, docker is not really used
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dii := container.Image{
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Name: config.Target{
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Distro: distro.Distro{
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ID: distroType,
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Release: si.OS.Version,
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},
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}.DockerName(),
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}
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rootfs, err := GenRootfsImage(dii, download)
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if err != nil {
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return
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}
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for _, krel := range strings.Fields(string(rawOutput)) {
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log.Debug().Msgf("generate config entry for %s", krel)
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var kernelFile, initrdFile string
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kernelFile, err = fs.FindKernel(bootfiles, krel)
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if err != nil {
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log.Warn().Msgf("cannot find kernel %s", krel)
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continue
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}
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initrdFile, err = fs.FindInitrd(bootfiles, krel)
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if err != nil {
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log.Warn().Msgf("cannot find initrd %s", krel)
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continue
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}
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ki := config.KernelInfo{
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Distro: distro.Distro{
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ID: distroType,
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Release: si.OS.Version,
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},
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KernelRelease: krel,
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KernelSource: "/lib/modules/" + krel + "/build",
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KernelPath: kernelsBase + kernelFile,
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InitrdPath: kernelsBase + initrdFile,
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RootFS: rootfs,
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}
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vmlinux := "/usr/lib/debug/boot/vmlinux-" + krel
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log.Print("vmlinux", vmlinux)
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if fs.PathExists(vmlinux) {
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ki.VmlinuxPath = vmlinux
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}
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kcfg.Kernels = append(kcfg.Kernels, ki)
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}
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return
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}
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