Merge v1.2.1-master

Signed-off-by: Emile Vauge <emile@vauge.com>
This commit is contained in:
Emile Vauge 2017-04-11 17:10:46 +02:00
parent a590155b0b
commit aeb17182b4
No known key found for this signature in database
GPG key ID: D808B4C167352E59
396 changed files with 27271 additions and 9969 deletions

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@ -10,11 +10,27 @@ import (
"github.com/docker/docker/pkg/term"
"github.com/opencontainers/runc/libcontainer"
"github.com/opencontainers/runc/libcontainer/utils"
)
// setup standard pipes so that the TTY of the calling runc process
// is not inherited by the container.
func createStdioPipes(p *libcontainer.Process, rootuid, rootgid int) (*tty, error) {
type tty struct {
console libcontainer.Console
state *term.State
closers []io.Closer
postStart []io.Closer
wg sync.WaitGroup
consoleC chan error
}
func (t *tty) copyIO(w io.Writer, r io.ReadCloser) {
defer t.wg.Done()
io.Copy(w, r)
r.Close()
}
// setup pipes for the process so that advanced features like c/r are able to easily checkpoint
// and restore the process's IO without depending on a host specific path or device
func setupProcessPipes(p *libcontainer.Process, rootuid, rootgid int) (*tty, error) {
i, err := p.InitializeIO(rootuid, rootgid)
if err != nil {
return nil, err
@ -46,45 +62,37 @@ func createStdioPipes(p *libcontainer.Process, rootuid, rootgid int) (*tty, erro
return t, nil
}
func (t *tty) copyIO(w io.Writer, r io.ReadCloser) {
defer t.wg.Done()
io.Copy(w, r)
r.Close()
func inheritStdio(process *libcontainer.Process) error {
process.Stdin = os.Stdin
process.Stdout = os.Stdout
process.Stderr = os.Stderr
return nil
}
func createTty(p *libcontainer.Process, rootuid, rootgid int, consolePath string) (*tty, error) {
if consolePath != "" {
if err := p.ConsoleFromPath(consolePath); err != nil {
return nil, err
}
return &tty{}, nil
}
console, err := p.NewConsole(rootuid, rootgid)
func (t *tty) recvtty(process *libcontainer.Process, socket *os.File) error {
f, err := utils.RecvFd(socket)
if err != nil {
return nil, err
return err
}
console := libcontainer.ConsoleFromFile(f)
go io.Copy(console, os.Stdin)
go io.Copy(os.Stdout, console)
t.wg.Add(1)
go t.copyIO(os.Stdout, console)
state, err := term.SetRawTerminal(os.Stdin.Fd())
if err != nil {
return nil, fmt.Errorf("failed to set the terminal from the stdin: %v", err)
return fmt.Errorf("failed to set the terminal from the stdin: %v", err)
}
return &tty{
console: console,
state: state,
closers: []io.Closer{
console,
},
}, nil
t.state = state
t.console = console
t.closers = []io.Closer{console}
return nil
}
type tty struct {
console libcontainer.Console
state *term.State
closers []io.Closer
postStart []io.Closer
wg sync.WaitGroup
func (t *tty) waitConsole() error {
if t.consoleC != nil {
return <-t.consoleC
}
return nil
}
// ClosePostStart closes any fds that are provided to the container and dup2'd
@ -122,5 +130,5 @@ func (t *tty) resize() error {
if err != nil {
return err
}
return term.SetWinsize(t.console.Fd(), ws)
return term.SetWinsize(t.console.File().Fd(), ws)
}