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feat: add kernel install to distro interface

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This commit is contained in:
dump_stack()
2023-05-23 22:36:46 +00:00
parent daaef89050
commit e2d66db16f
7 changed files with 143 additions and 137 deletions
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45
distro/centos/centos.go
View File

@@ -158,3 +158,48 @@ func (centos CentOS) runs() (commands []string) {
return
}
func (centos CentOS) Install(pkgname string, headers bool) (err error) {
var headerspkg string
if headers {
headerspkg = strings.Replace(pkgname, "kernel", "kernel-devel", -1)
}
var commands []string
cmdf := func(f string, s ...interface{}) {
commands = append(commands, fmt.Sprintf(f, s...))
}
cmdf("yum -y install %s %s", pkgname, headerspkg)
version := strings.Replace(pkgname, "kernel-", "", -1)
if centos.release <= "7" {
cmdf("dracut -v --add-drivers 'e1000 ext4' -f "+
"/boot/initramfs-%s.img %s", version, version)
} else {
cmdf("dracut -v --add-drivers 'ata_piix libata' "+
"--force-drivers 'e1000 ext4 sd_mod' -f "+
"/boot/initramfs-%s.img %s", version, version)
}
cmdf("cp -r /boot /target/")
cmdf("cp -r /lib/modules /target/lib/")
cmdf("cp -r /usr/src /target/usr/")
c, err := container.New(centos.Distro())
if err != nil {
return
}
for i := range c.Volumes {
c.Volumes[i].Dest = "/target" + c.Volumes[i].Dest
}
_, err = c.Run("", commands)
if err != nil {
return
}
return
}

51
distro/debian/debian.go
View File

@@ -348,8 +348,13 @@ func (d Debian) Kernels() (kernels []distro.KernelInfo, err error) {
return
}
func Volumes(km config.Target, pkgname string) (volumes []container.Volume) {
pkgdir := filepath.Join("volumes", km.DockerName(), pkgname)
func (d Debian) volumes(pkgname string) (volumes []container.Volume) {
c, err := container.New(d.Distro())
if err != nil {
return
}
pkgdir := filepath.Join("volumes", c.Name(), pkgname)
volumes = append(volumes, container.Volume{
Src: config.Dir(pkgdir, "/lib/modules"),
@@ -369,7 +374,13 @@ func Volumes(km config.Target, pkgname string) (volumes []container.Volume) {
return
}
func Install(km config.Target, pkgname string, headers bool) (cmds []string, err error) {
func (d Debian) Install(pkgname string, headers bool) (err error) {
defer func() {
if err != nil {
d.cleanup(pkgname)
}
}()
dk, err := getCachedKernel(pkgname + ".deb")
if err != nil {
return
@@ -382,9 +393,11 @@ func Install(km config.Target, pkgname string, headers bool) (cmds []string, err
pkgs = []snapshot.Package{dk.Image}
}
var cmds []string
for _, pkg := range pkgs {
found, newurl := cache.PackageURL(
km.Distro.ID,
distro.Debian,
pkg.Deb.URL,
)
if found {
@@ -402,15 +415,39 @@ func Install(km config.Target, pkgname string, headers bool) (cmds []string, err
cmds = append(cmds, "dpkg -i ./*.deb")
c, err := container.New(d.Distro())
if err != nil {
return
}
c.Volumes = d.volumes(pkgname)
for i := range c.Volumes {
c.Volumes[i].Dest = "/target" + c.Volumes[i].Dest
}
cmds = append(cmds, "cp -r /boot /target/")
cmds = append(cmds, "cp -r /lib/modules /target/lib/")
cmds = append(cmds, "cp -r /usr/src /target/usr/")
_, err = c.Run("", cmds)
if err != nil {
return
}
return
}
func Cleanup(km config.Target, pkgname string) {
pkgdir := config.Dir(filepath.Join("volumes", km.DockerName(), pkgname))
func (d Debian) cleanup(pkgname string) {
c, err := container.New(d.Distro())
if err != nil {
return
}
pkgdir := config.Dir(filepath.Join("volumes", c.Name(), pkgname))
log.Debug().Msgf("cleanup %s", pkgdir)
err := os.RemoveAll(pkgdir)
err = os.RemoveAll(pkgdir)
if err != nil {
log.Warn().Err(err).Msg("cleanup")
}

13
distro/distro.go
View File

@@ -1,6 +1,7 @@
package distro
import (
"errors"
"sync"
)
@@ -11,6 +12,7 @@ type distribution interface {
Distro() Distro
Equal(Distro) bool
Packages() (packages []string, err error)
Install(pkg string, headers bool) (err error)
Kernels() (kernels []KernelInfo, err error)
}
@@ -54,6 +56,17 @@ func (d Distro) Packages() (packages []string, err error) {
return
}
func (d Distro) Install(pkg string, headers bool) (err error) {
for _, dd := range distros {
if !dd.Equal(d) {
continue
}
return dd.Install(pkg, headers)
}
return errors.New("not found")
}
func (d Distro) Kernels() (kernels []KernelInfo, err error) {
for _, dd := range distros {
if dd.Equal(d) {

25
distro/oraclelinux/oraclelinux.go
View File

@@ -96,7 +96,7 @@ func (ol OracleLinux) runs() (commands []string) {
return
}
func Install(km config.Target, pkgname string, headers bool) (commands []string, err error) {
func (ol OracleLinux) Install(pkgname string, headers bool) (err error) {
var headerspkg string
if headers {
if strings.Contains(pkgname, "uek") {
@@ -108,6 +108,7 @@ func Install(km config.Target, pkgname string, headers bool) (commands []string,
}
}
var commands []string
cmdf := func(f string, s ...interface{}) {
commands = append(commands, fmt.Sprintf(f, s...))
}
@@ -121,7 +122,7 @@ func Install(km config.Target, pkgname string, headers bool) (commands []string,
version = strings.Replace(pkgname, "kernel-", "", -1)
}
if km.Distro.Release <= "7" {
if ol.release <= "7" {
cmdf("dracut -v --add-drivers 'e1000 ext4' -f "+
"/boot/initramfs-%s.img %s", version, version)
} else {
@@ -130,9 +131,23 @@ func Install(km config.Target, pkgname string, headers bool) (commands []string,
"/boot/initramfs-%s.img %s", version, version)
}
return
}
cmdf("cp -r /boot /target/")
cmdf("cp -r /lib/modules /target/lib/")
cmdf("cp -r /usr/src /target/usr/")
c, err := container.New(ol.Distro())
if err != nil {
return
}
for i := range c.Volumes {
c.Volumes[i].Dest = "/target" + c.Volumes[i].Dest
}
_, err = c.Run("", commands)
if err != nil {
return
}
func Cleanup(km config.Target, pkgname string) {
return
}

25
distro/ubuntu/ubuntu.go
View File

@@ -122,22 +122,35 @@ func (u Ubuntu) runs() (commands []string) {
return
}
func Install(km config.Target, pkgname string, headers bool) (commands []string, err error) {
func (u Ubuntu) Install(pkgname string, headers bool) (err error) {
var headerspkg string
if headers {
headerspkg = strings.Replace(pkgname, "image", "headers", -1)
}
var commands []string
cmdf := func(f string, s ...interface{}) {
commands = append(commands, fmt.Sprintf(f, s...))
}
cmdf("apt-get install -y %s %s", pkgname, headerspkg)
cmdf("cp -r /boot /target/")
cmdf("cp -r /lib/modules /target/lib/")
cmdf("cp -r /usr/src /target/usr/")
c, err := container.New(u.Distro())
if err != nil {
return
}
for i := range c.Volumes {
c.Volumes[i].Dest = "/target" + c.Volumes[i].Dest
}
_, err = c.Run("", commands)
if err != nil {
return
}
return
}
func Cleanup(km config.Target, pkgname string) {
return
}

3
kernel.go
View File

@@ -129,7 +129,8 @@ func (cmd KernelCmd) Generate(g *Globals, km config.Target, max int,
return
}
err = kernel.InstallKernel(km, p, cmd.Force, !cmd.NoHeaders)
// TODO cmd.Force
err = km.Distro.Install(p, !cmd.NoHeaders)
if err == nil {
max--
break

118
kernel/kernel.go
View File

@@ -5,7 +5,6 @@
package kernel
import (
"fmt"
"io/ioutil"
"math/rand"
"os"
@@ -20,10 +19,6 @@ import (
"code.dumpstack.io/tools/out-of-tree/cache"
"code.dumpstack.io/tools/out-of-tree/config"
"code.dumpstack.io/tools/out-of-tree/container"
"code.dumpstack.io/tools/out-of-tree/distro"
"code.dumpstack.io/tools/out-of-tree/distro/debian"
"code.dumpstack.io/tools/out-of-tree/distro/oraclelinux"
"code.dumpstack.io/tools/out-of-tree/distro/ubuntu"
"code.dumpstack.io/tools/out-of-tree/fs"
)
@@ -65,119 +60,6 @@ func vsyscallAvailable() (available bool, err error) {
return
}
func InstallKernel(sk config.Target, pkgname string, force, headers bool) (err error) {
slog := log.With().
Str("distro_type", sk.Distro.ID.String()).
Str("distro_release", sk.Distro.Release).
Str("pkg", pkgname).
Logger()
c, err := container.New(sk.Distro) // TODO conf
if err != nil {
return
}
searchdir := ""
for _, volume := range c.Volumes {
if volume.Dest == "/lib/modules" {
searchdir = volume.Src
}
}
if sk.Distro.ID == distro.Debian {
// TODO We need some kind of API for that
searchdir = config.Dir("volumes", sk.DockerName())
}
moddirs, err := ioutil.ReadDir(searchdir)
if err != nil {
return
}
for _, krel := range moddirs {
if strings.Contains(pkgname, krel.Name()) {
if force {
slog.Info().Msg("Reinstall")
} else {
slog.Info().Msg("Already installed")
return
}
}
}
if sk.Distro.ID == distro.Debian {
// Debian has different kernels (package version) by the
// same name (ABI), so we need to separate /boot
c.Volumes = debian.Volumes(sk, pkgname)
}
slog.Debug().Msgf("Installing kernel")
var commands []string
// TODO install/cleanup kernel interface
switch sk.Distro.ID {
case distro.Ubuntu:
commands, err = ubuntu.Install(sk, pkgname, headers)
if err != nil {
return
}
defer func() {
if err != nil {
ubuntu.Cleanup(sk, pkgname)
}
}()
case distro.OracleLinux, distro.CentOS:
commands, err = oraclelinux.Install(sk, pkgname, headers)
if err != nil {
return
}
defer func() {
if err != nil {
oraclelinux.Cleanup(sk, pkgname)
}
}()
case distro.Debian:
commands, err = debian.Install(sk, pkgname, headers)
if err != nil {
return
}
defer func() {
if err != nil {
debian.Cleanup(sk, pkgname)
}
}()
default:
err = fmt.Errorf("%s not yet supported", sk.Distro.ID.String())
return
}
cmd := "true"
for _, command := range commands {
cmd += fmt.Sprintf(" && %s", command)
}
for i := range c.Volumes {
c.Volumes[i].Dest = "/target" + c.Volumes[i].Dest
}
cmd += " && cp -r /boot /target/"
cmd += " && cp -r /lib/modules /target/lib/"
if sk.Distro.ID == distro.Debian {
cmd += " && cp -rL /usr/src /target/usr/"
} else {
cmd += " && cp -r /usr/src /target/usr/"
}
_, err = c.Run("", []string{cmd})
if err != nil {
return
}
slog.Debug().Msgf("Success")
return
}
func GenRootfsImage(d container.Image, download bool) (rootfs string, err error) {
imagesPath := config.Dir("images")
imageFile := d.Name + ".img"