package main import ( "bufio" "fmt" "io/ioutil" "os" "os/exec" "strconv" "strings" "testing" "time" "unicode" "github.com/kr/pty" ) func TestEventsUntag(t *testing.T) { out, _, _ := cmd(t, "images", "-q") image := strings.Split(out, "\n")[0] cmd(t, "tag", image, "utest:tag1") cmd(t, "tag", image, "utest:tag2") cmd(t, "rmi", "utest:tag1") cmd(t, "rmi", "utest:tag2") eventsCmd := exec.Command("timeout", "0.2", dockerBinary, "events", "--since=1") out, _, _ = runCommandWithOutput(eventsCmd) events := strings.Split(out, "\n") nEvents := len(events) // The last element after the split above will be an empty string, so we // get the two elements before the last, which are the untags we're // looking for. for _, v := range events[nEvents-3 : nEvents-1] { if !strings.Contains(v, "untag") { t.Fatalf("event should be untag, not %#v", v) } } logDone("events - untags are logged") } func TestEventsPause(t *testing.T) { out, _, _ := cmd(t, "images", "-q") image := strings.Split(out, "\n")[0] cmd(t, "run", "-d", "--name", "testeventpause", image, "sleep", "2") cmd(t, "pause", "testeventpause") cmd(t, "unpause", "testeventpause") eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix())) out, _, _ = runCommandWithOutput(eventsCmd) events := strings.Split(out, "\n") if len(events) <= 1 { t.Fatalf("Missing expected event") } pauseEvent := strings.Fields(events[len(events)-3]) unpauseEvent := strings.Fields(events[len(events)-2]) if pauseEvent[len(pauseEvent)-1] != "pause" { t.Fatalf("event should be pause, not %#v", pauseEvent) } if unpauseEvent[len(unpauseEvent)-1] != "unpause" { t.Fatalf("event should be pause, not %#v", unpauseEvent) } logDone("events - pause/unpause is logged") } func TestEventsContainerFailStartDie(t *testing.T) { out, _, _ := cmd(t, "images", "-q") image := strings.Split(out, "\n")[0] eventsCmd := exec.Command(dockerBinary, "run", "-d", "--name", "testeventdie", image, "blerg") _, _, err := runCommandWithOutput(eventsCmd) if err == nil { t.Fatalf("Container run with command blerg should have failed, but it did not") } eventsCmd = exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix())) out, _, _ = runCommandWithOutput(eventsCmd) events := strings.Split(out, "\n") if len(events) <= 1 { t.Fatalf("Missing expected event") } startEvent := strings.Fields(events[len(events)-3]) dieEvent := strings.Fields(events[len(events)-2]) if startEvent[len(startEvent)-1] != "start" { t.Fatalf("event should be start, not %#v", startEvent) } if dieEvent[len(dieEvent)-1] != "die" { t.Fatalf("event should be die, not %#v", dieEvent) } logDone("events - container failed to start logs die") } func TestEventsLimit(t *testing.T) { for i := 0; i < 30; i++ { cmd(t, "run", "busybox", "echo", strconv.Itoa(i)) } eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix())) out, _, _ := runCommandWithOutput(eventsCmd) events := strings.Split(out, "\n") nEvents := len(events) - 1 if nEvents != 64 { t.Fatalf("events should be limited to 64, but received %d", nEvents) } logDone("events - limited to 64 entries") } func TestEventsContainerEvents(t *testing.T) { cmd(t, "run", "--rm", "busybox", "true") eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix())) out, exitCode, err := runCommandWithOutput(eventsCmd) if exitCode != 0 || err != nil { t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err) } events := strings.Split(out, "\n") events = events[:len(events)-1] if len(events) < 4 { t.Fatalf("Missing expected event") } createEvent := strings.Fields(events[len(events)-4]) startEvent := strings.Fields(events[len(events)-3]) dieEvent := strings.Fields(events[len(events)-2]) destroyEvent := strings.Fields(events[len(events)-1]) if createEvent[len(createEvent)-1] != "create" { t.Fatalf("event should be create, not %#v", createEvent) } if startEvent[len(startEvent)-1] != "start" { t.Fatalf("event should be pause, not %#v", startEvent) } if dieEvent[len(dieEvent)-1] != "die" { t.Fatalf("event should be pause, not %#v", dieEvent) } if destroyEvent[len(destroyEvent)-1] != "destroy" { t.Fatalf("event should be pause, not %#v", destroyEvent) } logDone("events - container create, start, die, destroy is logged") } func TestEventsImageUntagDelete(t *testing.T) { name := "testimageevents" defer deleteImages(name) _, err := buildImage(name, `FROM scratch MAINTAINER "docker"`, true) if err != nil { t.Fatal(err) } if err := deleteImages(name); err != nil { t.Fatal(err) } eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix())) out, exitCode, err := runCommandWithOutput(eventsCmd) if exitCode != 0 || err != nil { t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err) } events := strings.Split(out, "\n") t.Log(events) events = events[:len(events)-1] if len(events) < 2 { t.Fatalf("Missing expected event") } untagEvent := strings.Fields(events[len(events)-2]) deleteEvent := strings.Fields(events[len(events)-1]) if untagEvent[len(untagEvent)-1] != "untag" { t.Fatalf("untag should be untag, not %#v", untagEvent) } if deleteEvent[len(deleteEvent)-1] != "delete" { t.Fatalf("delete should be delete, not %#v", deleteEvent) } logDone("events - image untag, delete is logged") } // #5979 func TestEventsRedirectStdout(t *testing.T) { since := time.Now().Unix() cmd(t, "run", "busybox", "true") defer deleteAllContainers() file, err := ioutil.TempFile("", "") if err != nil { t.Fatalf("could not create temp file: %v", err) } defer os.Remove(file.Name()) command := fmt.Sprintf("%s events --since=%d --until=%d > %s", dockerBinary, since, time.Now().Unix(), file.Name()) _, tty, err := pty.Open() if err != nil { t.Fatalf("Could not open pty: %v", err) } cmd := exec.Command("sh", "-c", command) cmd.Stdin = tty cmd.Stdout = tty cmd.Stderr = tty if err := cmd.Run(); err != nil { t.Fatalf("run err for command %q: %v", command, err) } scanner := bufio.NewScanner(file) for scanner.Scan() { for _, c := range scanner.Text() { if unicode.IsControl(c) { t.Fatalf("found control character %v", []byte(string(c))) } } } if err := scanner.Err(); err != nil { t.Fatalf("Scan err for command %q: %v", command, err) } logDone("events - redirect stdout") }