Merge pull request #37665 from kolyshkin/dev-init

Fix docker --init with /dev bind mount
This commit is contained in:
Sebastiaan van Stijn 2018-09-06 13:16:10 +01:00 committed by GitHub
commit 7129bebe0a
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1 changed files with 8 additions and 7 deletions

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@ -27,6 +27,10 @@ import (
"golang.org/x/sys/unix"
)
const (
inContainerInitPath = "/sbin/" + daemonconfig.DefaultInitBinary
)
func setResources(s *specs.Spec, r containertypes.Resources) error {
weightDevices, err := getBlkioWeightDevices(r)
if err != nil {
@ -657,19 +661,16 @@ func (daemon *Daemon) populateCommonSpec(s *specs.Spec, c *container.Container)
if c.HostConfig.PidMode.IsPrivate() {
if (c.HostConfig.Init != nil && *c.HostConfig.Init) ||
(c.HostConfig.Init == nil && daemon.configStore.Init) {
s.Process.Args = append([]string{"/dev/init", "--", c.Path}, c.Args...)
var path string
if daemon.configStore.InitPath == "" {
s.Process.Args = append([]string{inContainerInitPath, "--", c.Path}, c.Args...)
path := daemon.configStore.InitPath
if path == "" {
path, err = exec.LookPath(daemonconfig.DefaultInitBinary)
if err != nil {
return err
}
}
if daemon.configStore.InitPath != "" {
path = daemon.configStore.InitPath
}
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/dev/init",
Destination: inContainerInitPath,
Type: "bind",
Source: path,
Options: []string{"bind", "ro"},