798215af |
// +build !windows
|
28cf8fdd |
package main
import ( |
ae0883ce |
"bufio" |
28cf8fdd |
"os/exec"
"strings"
"time"
|
f4abc640 |
"github.com/docker/docker/pkg/integration/checker" |
28cda048 |
"github.com/docker/docker/pkg/stringid" |
dc944ea7 |
"github.com/go-check/check" |
28cf8fdd |
"github.com/kr/pty"
)
|
50852f3b |
// #9860 Make sure attach ends when container ends (with no errors) |
dc944ea7 |
func (s *DockerSuite) TestAttachClosedOnContainerStop(c *check.C) { |
a943c401 |
testRequires(c, SameHostDaemon) |
28cf8fdd |
|
50852f3b |
out, _ := dockerCmd(c, "run", "-dti", "busybox", "/bin/sh", "-c", `trap 'exit 0' SIGTERM; while true; do sleep 1; done`) |
28cf8fdd |
|
475c6531 |
id := strings.TrimSpace(out) |
799d9605 |
c.Assert(waitRun(id), check.IsNil) |
28cf8fdd |
|
50852f3b |
_, tty, err := pty.Open()
c.Assert(err, check.IsNil)
attachCmd := exec.Command(dockerBinary, "attach", id)
attachCmd.Stdin = tty
attachCmd.Stdout = tty
attachCmd.Stderr = tty
err = attachCmd.Start()
c.Assert(err, check.IsNil)
|
4203230c |
errChan := make(chan error) |
28cf8fdd |
go func() { |
4203230c |
defer close(errChan) |
927b334e |
// Container is waiting for us to signal it to stop |
50852f3b |
dockerCmd(c, "stop", id)
// And wait for the attach command to end
errChan <- attachCmd.Wait() |
28cf8fdd |
}()
|
50852f3b |
// Wait for the docker to end (should be done by the
// stop command in the go routine) |
5c295460 |
dockerCmd(c, "wait", id)
|
28cf8fdd |
select { |
4203230c |
case err := <-errChan:
c.Assert(err, check.IsNil) |
28cf8fdd |
case <-time.After(attachWait): |
dc944ea7 |
c.Fatal("timed out without attach returning") |
28cf8fdd |
}
}
|
dc944ea7 |
func (s *DockerSuite) TestAttachAfterDetach(c *check.C) { |
28cf8fdd |
name := "detachtest"
cpty, tty, err := pty.Open() |
f4abc640 |
c.Assert(err, checker.IsNil, check.Commentf("Could not open pty: %v", err)) |
28cf8fdd |
cmd := exec.Command(dockerBinary, "run", "-ti", "--name", name, "busybox")
cmd.Stdin = tty
cmd.Stdout = tty
cmd.Stderr = tty
|
4203230c |
errChan := make(chan error) |
28cf8fdd |
go func() { |
4203230c |
errChan <- cmd.Run()
close(errChan) |
28cf8fdd |
}()
|
799d9605 |
c.Assert(waitRun(name), check.IsNil)
|
28cf8fdd |
cpty.Write([]byte{16})
time.Sleep(100 * time.Millisecond)
cpty.Write([]byte{17})
|
4203230c |
select {
case err := <-errChan:
c.Assert(err, check.IsNil)
case <-time.After(5 * time.Second):
c.Fatal("timeout while detaching")
} |
28cf8fdd |
cpty, tty, err = pty.Open() |
f4abc640 |
c.Assert(err, checker.IsNil, check.Commentf("Could not open pty: %v", err)) |
28cf8fdd |
cmd = exec.Command(dockerBinary, "attach", name)
cmd.Stdin = tty
cmd.Stdout = tty
cmd.Stderr = tty
|
f4abc640 |
err = cmd.Start()
c.Assert(err, checker.IsNil) |
28cf8fdd |
bytes := make([]byte, 10) |
6ef80577 |
var nBytes int
readErr := make(chan error, 1) |
28cf8fdd |
|
6ef80577 |
go func() {
time.Sleep(500 * time.Millisecond)
cpty.Write([]byte("\n"))
time.Sleep(500 * time.Millisecond) |
28cf8fdd |
|
6ef80577 |
nBytes, err = cpty.Read(bytes)
cpty.Close()
readErr <- err
}()
select {
case err := <-readErr: |
4203230c |
c.Assert(err, check.IsNil) |
6ef80577 |
case <-time.After(2 * time.Second): |
dc944ea7 |
c.Fatal("timeout waiting for attach read") |
28cf8fdd |
}
|
f4abc640 |
err = cmd.Wait()
c.Assert(err, checker.IsNil) |
28cf8fdd |
|
f4abc640 |
c.Assert(string(bytes[:nBytes]), checker.Contains, "/ #") |
28cf8fdd |
} |
ae0883ce |
// TestAttachDetach checks that attach in tty mode can be detached using the long container ID |
dc944ea7 |
func (s *DockerSuite) TestAttachDetach(c *check.C) {
out, _ := dockerCmd(c, "run", "-itd", "busybox", "cat") |
ae0883ce |
id := strings.TrimSpace(out) |
799d9605 |
c.Assert(waitRun(id), check.IsNil) |
ae0883ce |
cpty, tty, err := pty.Open() |
f4abc640 |
c.Assert(err, check.IsNil) |
ae0883ce |
defer cpty.Close()
cmd := exec.Command(dockerBinary, "attach", id)
cmd.Stdin = tty
stdout, err := cmd.StdoutPipe() |
f4abc640 |
c.Assert(err, check.IsNil) |
ae0883ce |
defer stdout.Close() |
f4abc640 |
err = cmd.Start()
c.Assert(err, check.IsNil) |
799d9605 |
c.Assert(waitRun(id), check.IsNil) |
ae0883ce |
|
f4abc640 |
_, err = cpty.Write([]byte("hello\n"))
c.Assert(err, check.IsNil) |
ae0883ce |
out, err = bufio.NewReader(stdout).ReadString('\n') |
f4abc640 |
c.Assert(err, check.IsNil)
c.Assert(strings.TrimSpace(out), checker.Equals, "hello", check.Commentf("expected 'hello', got %q", out)) |
ae0883ce |
// escape sequence |
f4abc640 |
_, err = cpty.Write([]byte{16})
c.Assert(err, checker.IsNil) |
ae0883ce |
time.Sleep(100 * time.Millisecond) |
f4abc640 |
_, err = cpty.Write([]byte{17})
c.Assert(err, checker.IsNil) |
ae0883ce |
ch := make(chan struct{})
go func() {
cmd.Wait()
ch <- struct{}{}
}()
|
62a856e9 |
running := inspectField(c, id, "State.Running") |
f4abc640 |
c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
ae0883ce |
go func() { |
dc944ea7 |
dockerCmd(c, "kill", id) |
ae0883ce |
}()
select {
case <-ch:
case <-time.After(10 * time.Millisecond): |
dc944ea7 |
c.Fatal("timed out waiting for container to exit") |
ae0883ce |
}
} |
28cda048 |
// TestAttachDetachTruncatedID checks that attach in tty mode can be detached |
dc944ea7 |
func (s *DockerSuite) TestAttachDetachTruncatedID(c *check.C) {
out, _ := dockerCmd(c, "run", "-itd", "busybox", "cat") |
28cda048 |
id := stringid.TruncateID(strings.TrimSpace(out)) |
799d9605 |
c.Assert(waitRun(id), check.IsNil) |
28cda048 |
cpty, tty, err := pty.Open() |
f4abc640 |
c.Assert(err, checker.IsNil) |
28cda048 |
defer cpty.Close()
cmd := exec.Command(dockerBinary, "attach", id)
cmd.Stdin = tty
stdout, err := cmd.StdoutPipe() |
f4abc640 |
c.Assert(err, checker.IsNil) |
28cda048 |
defer stdout.Close() |
f4abc640 |
err = cmd.Start()
c.Assert(err, checker.IsNil) |
28cda048 |
|
f4abc640 |
_, err = cpty.Write([]byte("hello\n"))
c.Assert(err, checker.IsNil) |
28cda048 |
out, err = bufio.NewReader(stdout).ReadString('\n') |
f4abc640 |
c.Assert(err, checker.IsNil)
c.Assert(strings.TrimSpace(out), checker.Equals, "hello", check.Commentf("expected 'hello', got %q", out)) |
28cda048 |
// escape sequence |
f4abc640 |
_, err = cpty.Write([]byte{16})
c.Assert(err, checker.IsNil) |
28cda048 |
time.Sleep(100 * time.Millisecond) |
f4abc640 |
_, err = cpty.Write([]byte{17})
c.Assert(err, checker.IsNil) |
28cda048 |
ch := make(chan struct{})
go func() {
cmd.Wait()
ch <- struct{}{}
}()
|
62a856e9 |
running := inspectField(c, id, "State.Running") |
f4abc640 |
c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
28cda048 |
go func() { |
dc944ea7 |
dockerCmd(c, "kill", id) |
28cda048 |
}()
select {
case <-ch:
case <-time.After(10 * time.Millisecond): |
dc944ea7 |
c.Fatal("timed out waiting for container to exit") |
28cda048 |
}
} |