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Update libcontainer to include PRs with fixes to systemd cgroup driver

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PR opencontainers/runc#1754 works around an issue in manager.Apply(-1) that
makes Kubelet startup hang when using systemd cgroup driver (by adding a
timeout) and further PR opencontainers/runc#1772 fixes that bug by
checking the proper error status before waiting on the channel.

PR opencontainers/runc#1776 checks whether Delegate works in slices,
which keeps libcontainer systemd cgroup driver working on systemd v237+.

PR opencontainers/runc#1781 makes the channel buffered, so if we time
out waiting on the channel, the updater will not block trying to it
since there are no longer any consumers.
This commit is contained in:
Filipe Brandenburger
2018-04-12 15:02:12 -07:00
parent 44b57338d5
commit 54d93820ee
14 changed files with 249 additions and 117 deletions
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7
vendor/github.com/opencontainers/runc/libcontainer/rootfs_linux.go generated vendored
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@@ -46,7 +46,6 @@ func prepareRootfs(pipe io.ReadWriter, iConfig *initConfig) (err error) {
return newSystemErrorWithCause(err, "preparing rootfs")
}
setupDev := needsSetupDev(config)
for _, m := range config.Mounts {
for _, precmd := range m.PremountCmds {
if err := mountCmd(precmd); err != nil {
@@ -65,6 +64,8 @@ func prepareRootfs(pipe io.ReadWriter, iConfig *initConfig) (err error) {
}
}
setupDev := needsSetupDev(config)
if setupDev {
if err := createDevices(config); err != nil {
return newSystemErrorWithCause(err, "creating device nodes")
@@ -778,10 +779,10 @@ func remountReadonly(m *configs.Mount) error {
// mounts ( proc/kcore ).
// For files, maskPath bind mounts /dev/null over the top of the specified path.
// For directories, maskPath mounts read-only tmpfs over the top of the specified path.
func maskPath(path string) error {
func maskPath(path string, mountLabel string) error {
if err := unix.Mount("/dev/null", path, "", unix.MS_BIND, ""); err != nil && !os.IsNotExist(err) {
if err == unix.ENOTDIR {
return unix.Mount("tmpfs", path, "tmpfs", unix.MS_RDONLY, "")
return unix.Mount("tmpfs", path, "tmpfs", unix.MS_RDONLY, label.FormatMountLabel("", mountLabel))
}
return err
}