Fix --init and --init-path

Init properly passed into specgen
Allow --init with --systemd=true but not --systemd=always.

Signed-off-by: Joseph Gooch <mrwizard@dok.org>
This commit is contained in:
Joseph Gooch
2020-06-16 14:57:43 +00:00
parent 0968f25988
commit eb8bfdad3e
4 changed files with 29 additions and 3 deletions

View File

@ -112,7 +112,7 @@ func makeCommand(ctx context.Context, s *specgen.SpecGenerator, img *image.Image
if initPath == "" {
return nil, errors.Errorf("no path to init binary found but container requested an init")
}
finalCommand = append([]string{initPath, "--"}, finalCommand...)
finalCommand = append([]string{"/dev/init", "--"}, finalCommand...)
}
return finalCommand, nil

View File

@ -314,8 +314,8 @@ func addContainerInitBinary(s *specgen.SpecGenerator, path string) (spec.Mount,
if !s.PidNS.IsPrivate() {
return mount, fmt.Errorf("cannot add init binary as PID 1 (PID namespace isn't private)")
}
if s.Systemd == "true" || s.Systemd == "always" {
return mount, fmt.Errorf("cannot use container-init binary with systemd")
if s.Systemd == "always" {
return mount, fmt.Errorf("cannot use container-init binary with systemd=always")
}
if _, err := os.Stat(path); os.IsNotExist(err) {
return mount, errors.Wrap(err, "container-init binary not found on the host")