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out-of-tree/distro/ubuntu/ubuntu.go

166 lines
3.4 KiB
Go

package ubuntu
import (
"fmt"
"strings"
"code.dumpstack.io/tools/out-of-tree/config/dotfiles"
"code.dumpstack.io/tools/out-of-tree/container"
"code.dumpstack.io/tools/out-of-tree/distro"
)
func init() {
releases := []string{
"12.04",
"14.04",
"16.04",
"18.04",
"20.04",
"22.04",
}
for _, release := range releases {
distro.Register(Ubuntu{release: release})
}
}
type Ubuntu struct {
release string
}
func (u Ubuntu) Equal(d distro.Distro) bool {
return u.release == d.Release && distro.Ubuntu == d.ID
}
func (u Ubuntu) Distro() distro.Distro {
return distro.Distro{ID: distro.Ubuntu, Release: u.release}
}
func (u Ubuntu) Packages() (pkgs []string, err error) {
c, err := container.New(u.Distro())
if err != nil {
return
}
if !c.Exist() {
err = c.Build("ubuntu:"+u.release, u.envs(), u.runs())
if err != nil {
return
}
}
cmd := "apt-cache search " +
"--names-only '^linux-image-[0-9\\.\\-]*-generic$' " +
"| awk '{ print $1 }'"
output, err := c.Run(dotfiles.Dir("tmp"), []string{cmd})
if err != nil {
return
}
pkgs = append(pkgs, strings.Fields(output)...)
return
}
func (u Ubuntu) Kernels() (kernels []distro.KernelInfo, err error) {
c, err := container.New(u.Distro())
if err != nil {
return
}
return c.Kernels()
}
func (u Ubuntu) envs() (envs []string) {
envs = append(envs, "DEBIAN_FRONTEND=noninteractive")
return
}
func (u Ubuntu) runs() (commands []string) {
cmdf := func(f string, s ...interface{}) {
commands = append(commands, fmt.Sprintf(f, s...))
}
if u.release < "14.04" {
cmdf("sed -i 's/archive.ubuntu.com/old-releases.ubuntu.com/' " +
"/etc/apt/sources.list")
}
cmdf("apt-get update")
cmdf("apt-get install -y build-essential libelf-dev")
cmdf("apt-get install -y wget git")
if u.release == "12.04" {
cmdf("apt-get install -y grub")
cmdf("cp /bin/true /usr/sbin/grub-probe")
cmdf("mkdir -p /boot/grub")
cmdf("touch /boot/grub/menu.lst")
}
if u.release < "14.04" {
return
}
if u.release == "22.04" {
cmdf("apt-get install -y gcc-12")
return
}
cmdf("apt-get install -y libseccomp-dev")
// Install and remove a single kernel and headers.
// This ensures that all dependencies are cached.
cmd := "export HEADERS=$(apt-cache search " +
"--names-only '^linux-headers-[0-9\\.\\-]*-generic' " +
"| awk '{ print $1 }' | head -n 1)"
cmd += " KERNEL=$(echo $HEADERS | sed 's/headers/image/')"
cmd += " MODULES=$(echo $HEADERS | sed 's/headers/modules/')"
cmd += " && apt-get install -y $HEADERS $KERNEL $MODULES"
cmd += " && apt-get remove -y $HEADERS $KERNEL $MODULES"
cmdf(cmd)
return
}
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 (u Ubuntu) RootFS() string {
return fmt.Sprintf("out_of_tree_ubuntu_%s.img",
strings.Replace(u.release, ".", "__", -1))
}