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Install the kernel in a single container run

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This commit is contained in:
dump_stack() 2023-04-07 17:47:54 +00:00
parent a4f2a31819
commit e35e030c54
Signed by: dump_stack
GPG Key ID: BE44DA8C062D87DC
1 changed files with 13 additions and 58 deletions
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71
kernel.go
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@ -389,17 +389,10 @@ func generateBaseDockerImage(registry string, commands []config.DockerCommand,
}
func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (err error) {
tmpdir, err := os.MkdirTemp(tempDirBase, "out-of-tree-"+pkgname+"-")
if err != nil {
log.Fatal().Err(err).Msg("make tmp directory")
}
defer os.RemoveAll(tmpdir)
slog := log.With().
Str("distro_type", sk.DistroType.String()).
Str("distro_release", sk.DistroRelease).
Str("pkg", pkgname).
Str("tmpdir", tmpdir).
Logger()
c, err := NewContainer(sk.DockerName(), time.Hour) // TODO conf
@ -425,17 +418,14 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
volumes := c.Volumes
c.Volumes.LibModules = fmt.Sprintf("%s/libmodules", tmpdir)
os.MkdirAll(c.Volumes.LibModules, 0777)
c.Volumes.UsrSrc = fmt.Sprintf("%s/usrsrc", tmpdir)
os.MkdirAll(c.Volumes.UsrSrc, 0777)
c.Volumes.Boot = fmt.Sprintf("%s/boot", tmpdir)
os.MkdirAll(c.Volumes.Boot, 0777)
c.Volumes.LibModules = ""
c.Volumes.UsrSrc = ""
c.Volumes.Boot = ""
slog.Debug().Msgf("Installing kernel")
cmd := "true"
switch sk.DistroType {
case config.Ubuntu:
var headerspkg string
@ -443,12 +433,7 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
headerspkg = strings.Replace(pkgname, "image", "headers", -1)
}
cmd := fmt.Sprintf("apt-get install -y %s %s", pkgname, headerspkg)
_, err = c.Run(tempDirBase, cmd)
if err != nil {
return
}
cmd += fmt.Sprintf(" && apt-get install -y %s %s", pkgname, headerspkg)
case config.CentOS:
imagepkg := strings.Replace(pkgname, "-devel", "", -1)
@ -457,19 +442,11 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
if !headers {
pkgname = ""
}
cmd := fmt.Sprintf("yum -y install %s %s\n", imagepkg,
cmd += fmt.Sprintf(" && yum -y install %s %s", imagepkg,
pkgname)
_, err = c.Run(tempDirBase, cmd)
if err != nil {
return
}
cmd = fmt.Sprintf("dracut --add-drivers 'e1000 ext4' -f "+
"/boot/initramfs-%s.img %s\n", version, version)
_, err = c.Run(tempDirBase, cmd)
if err != nil {
return
}
cmd += fmt.Sprintf(" && dracut --add-drivers 'e1000 ext4' -f "+
"/boot/initramfs-%s.img %s", version, version)
default:
err = fmt.Errorf("%s not yet supported", sk.DistroType.String())
return
@ -479,33 +456,11 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
c.Args = append(c.Args, "-v", volumes.UsrSrc+":/target/usr/src")
c.Args = append(c.Args, "-v", volumes.Boot+":/target/boot")
cmd := "true"
cmd += " && cp -r /boot /target/"
cmd += " && cp -r /lib/modules /target/lib/"
cmd += " && cp -r /usr/src /target/usr/"
files, err := ioutil.ReadDir(c.Volumes.Boot)
if err != nil {
return
}
if len(files) != 0 {
cmd += " && cp -r /boot/* /target/boot/"
}
files, err = ioutil.ReadDir(c.Volumes.LibModules)
if err != nil {
return
}
if len(files) != 0 {
cmd += " && cp -r /lib/modules/* /target/lib/modules/"
}
files, err = ioutil.ReadDir(c.Volumes.UsrSrc)
if err != nil {
return
}
if len(files) != 0 {
cmd += " && cp -r /usr/src/* /target/usr/src/"
}
_, err = c.Run(tempDirBase, cmd)
_, err = c.Run("", cmd)
if err != nil {
return
}