mirror of
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125 lines
2.6 KiB
Go
125 lines
2.6 KiB
Go
// +build !windows
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package main
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import (
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"os/exec"
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"strings"
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"testing"
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"time"
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"github.com/kr/pty"
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)
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// #9860
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func TestAttachClosedOnContainerStop(t *testing.T) {
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defer deleteAllContainers()
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cmd := exec.Command(dockerBinary, "run", "-dti", "busybox", "sleep", "2")
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out, _, err := runCommandWithOutput(cmd)
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if err != nil {
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t.Fatalf("failed to start container: %v (%v)", out, err)
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}
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id := stripTrailingCharacters(out)
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if err := waitRun(id); err != nil {
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t.Fatal(err)
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}
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done := make(chan struct{})
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go func() {
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defer close(done)
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_, tty, err := pty.Open()
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if err != nil {
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t.Fatalf("could not open pty: %v", err)
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}
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attachCmd := exec.Command(dockerBinary, "attach", id)
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attachCmd.Stdin = tty
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attachCmd.Stdout = tty
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attachCmd.Stderr = tty
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if err := attachCmd.Run(); err != nil {
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t.Fatalf("attach returned error %s", err)
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}
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}()
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waitCmd := exec.Command(dockerBinary, "wait", id)
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if out, _, err = runCommandWithOutput(waitCmd); err != nil {
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t.Fatalf("error thrown while waiting for container: %s, %v", out, err)
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}
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select {
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case <-done:
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case <-time.After(attachWait):
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t.Fatal("timed out without attach returning")
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}
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logDone("attach - return after container finished")
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}
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func TestAttachAfterDetach(t *testing.T) {
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defer deleteAllContainers()
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name := "detachtest"
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cpty, tty, err := pty.Open()
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if err != nil {
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t.Fatalf("Could not open pty: %v", err)
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}
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cmd := exec.Command(dockerBinary, "run", "-ti", "--name", name, "busybox")
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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detached := make(chan struct{})
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go func() {
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if err := cmd.Run(); err != nil {
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t.Fatalf("attach returned error %s", err)
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}
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close(detached)
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}()
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time.Sleep(500 * time.Millisecond)
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cpty.Write([]byte{16})
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time.Sleep(100 * time.Millisecond)
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cpty.Write([]byte{17})
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<-detached
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cpty, tty, err = pty.Open()
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if err != nil {
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t.Fatalf("Could not open pty: %v", err)
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}
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cmd = exec.Command(dockerBinary, "attach", name)
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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go func() {
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if err := cmd.Run(); err != nil {
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t.Fatalf("attach returned error %s", err)
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}
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cpty.Close() // unblocks the reader in case of a failure
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}()
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time.Sleep(500 * time.Millisecond)
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cpty.Write([]byte("\n"))
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time.Sleep(500 * time.Millisecond)
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bytes := make([]byte, 10)
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n, err := cpty.Read(bytes)
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if err != nil {
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t.Fatalf("prompt read failed: %v", err)
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}
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if !strings.Contains(string(bytes[:n]), "/ #") {
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t.Fatalf("failed to get a new prompt. got %s", string(bytes[:n]))
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}
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cpty.Write([]byte("exit\n"))
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logDone("attach - reconnect after detaching")
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}
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