github.com/sijibomii/docker@v0.0.0-20231230191044-5cf6ca554647/integration-cli/docker_cli_events_test.go (about)

     1  package main
     2  
     3  import (
     4  	"bufio"
     5  	"fmt"
     6  	"io/ioutil"
     7  	"net/http"
     8  	"os"
     9  	"os/exec"
    10  	"strconv"
    11  	"strings"
    12  	"sync"
    13  	"time"
    14  
    15  	"github.com/docker/docker/daemon/events/testutils"
    16  	"github.com/docker/docker/pkg/integration/checker"
    17  	"github.com/go-check/check"
    18  )
    19  
    20  func (s *DockerSuite) TestEventsTimestampFormats(c *check.C) {
    21  	name := "events-time-format-test"
    22  
    23  	// Start stopwatch, generate an event
    24  	start := daemonTime(c)
    25  	time.Sleep(1100 * time.Millisecond) // so that first event occur in different second from since (just for the case)
    26  	dockerCmd(c, "run", "--rm", "--name", name, "busybox", "true")
    27  	time.Sleep(1100 * time.Millisecond) // so that until > since
    28  	end := daemonTime(c)
    29  
    30  	// List of available time formats to --since
    31  	unixTs := func(t time.Time) string { return fmt.Sprintf("%v", t.Unix()) }
    32  	rfc3339 := func(t time.Time) string { return t.Format(time.RFC3339) }
    33  	duration := func(t time.Time) string { return time.Now().Sub(t).String() }
    34  
    35  	// --since=$start must contain only the 'untag' event
    36  	for _, f := range []func(time.Time) string{unixTs, rfc3339, duration} {
    37  		since, until := f(start), f(end)
    38  		out, _ := dockerCmd(c, "events", "--since="+since, "--until="+until)
    39  		events := strings.Split(out, "\n")
    40  		events = events[:len(events)-1]
    41  
    42  		nEvents := len(events)
    43  		c.Assert(nEvents, checker.GreaterOrEqualThan, 5) //Missing expected event
    44  		containerEvents := eventActionsByIDAndType(c, events, name, "container")
    45  		c.Assert(containerEvents, checker.HasLen, 5, check.Commentf("events: %v", events))
    46  
    47  		c.Assert(containerEvents[0], checker.Equals, "create", check.Commentf(out))
    48  		c.Assert(containerEvents[1], checker.Equals, "attach", check.Commentf(out))
    49  		c.Assert(containerEvents[2], checker.Equals, "start", check.Commentf(out))
    50  		c.Assert(containerEvents[3], checker.Equals, "die", check.Commentf(out))
    51  		c.Assert(containerEvents[4], checker.Equals, "destroy", check.Commentf(out))
    52  	}
    53  
    54  }
    55  
    56  func (s *DockerSuite) TestEventsUntag(c *check.C) {
    57  	image := "busybox"
    58  	dockerCmd(c, "tag", image, "utest:tag1")
    59  	dockerCmd(c, "tag", image, "utest:tag2")
    60  	dockerCmd(c, "rmi", "utest:tag1")
    61  	dockerCmd(c, "rmi", "utest:tag2")
    62  	eventsCmd := exec.Command(dockerBinary, "events", "--since=1")
    63  	out, exitCode, _, err := runCommandWithOutputForDuration(eventsCmd, time.Duration(time.Millisecond*2500))
    64  	c.Assert(err, checker.IsNil)
    65  	c.Assert(exitCode, checker.Equals, 0, check.Commentf("Failed to get events"))
    66  	events := strings.Split(out, "\n")
    67  	nEvents := len(events)
    68  	// The last element after the split above will be an empty string, so we
    69  	// get the two elements before the last, which are the untags we're
    70  	// looking for.
    71  	for _, v := range events[nEvents-3 : nEvents-1] {
    72  		c.Assert(v, checker.Contains, "untag", check.Commentf("event should be untag"))
    73  	}
    74  }
    75  
    76  func (s *DockerSuite) TestEventsContainerFailStartDie(c *check.C) {
    77  	_, _, err := dockerCmdWithError("run", "--name", "testeventdie", "busybox", "blerg")
    78  	c.Assert(err, checker.NotNil, check.Commentf("Container run with command blerg should have failed, but it did not"))
    79  
    80  	out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
    81  	events := strings.Split(strings.TrimSpace(out), "\n")
    82  
    83  	nEvents := len(events)
    84  	c.Assert(nEvents, checker.GreaterOrEqualThan, 1) //Missing expected event
    85  
    86  	actions := eventActionsByIDAndType(c, events, "testeventdie", "container")
    87  
    88  	var startEvent bool
    89  	var dieEvent bool
    90  	for _, a := range actions {
    91  		switch a {
    92  		case "start":
    93  			startEvent = true
    94  		case "die":
    95  			dieEvent = true
    96  		}
    97  	}
    98  	c.Assert(startEvent, checker.True, check.Commentf("Start event not found: %v\n%v", actions, events))
    99  	c.Assert(dieEvent, checker.True, check.Commentf("Die event not found: %v\n%v", actions, events))
   100  }
   101  
   102  func (s *DockerSuite) TestEventsLimit(c *check.C) {
   103  	var waitGroup sync.WaitGroup
   104  	errChan := make(chan error, 17)
   105  
   106  	args := []string{"run", "--rm", "busybox", "true"}
   107  	for i := 0; i < 17; i++ {
   108  		waitGroup.Add(1)
   109  		go func() {
   110  			defer waitGroup.Done()
   111  			out, err := exec.Command(dockerBinary, args...).CombinedOutput()
   112  			if err != nil {
   113  				err = fmt.Errorf("%v: %s", err, string(out))
   114  			}
   115  			errChan <- err
   116  		}()
   117  	}
   118  
   119  	waitGroup.Wait()
   120  	close(errChan)
   121  
   122  	for err := range errChan {
   123  		c.Assert(err, checker.IsNil, check.Commentf("%q failed with error", strings.Join(args, " ")))
   124  	}
   125  
   126  	out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   127  	events := strings.Split(out, "\n")
   128  	nEvents := len(events) - 1
   129  	c.Assert(nEvents, checker.Equals, 64, check.Commentf("events should be limited to 64, but received %d", nEvents))
   130  }
   131  
   132  func (s *DockerSuite) TestEventsContainerEvents(c *check.C) {
   133  	containerID, _ := dockerCmd(c, "run", "--rm", "--name", "container-events-test", "busybox", "true")
   134  	containerID = strings.TrimSpace(containerID)
   135  
   136  	out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   137  	events := strings.Split(out, "\n")
   138  	events = events[:len(events)-1]
   139  
   140  	nEvents := len(events)
   141  	c.Assert(nEvents, checker.GreaterOrEqualThan, 5) //Missing expected event
   142  	containerEvents := eventActionsByIDAndType(c, events, "container-events-test", "container")
   143  	c.Assert(containerEvents, checker.HasLen, 5, check.Commentf("events: %v", events))
   144  
   145  	c.Assert(containerEvents[0], checker.Equals, "create", check.Commentf(out))
   146  	c.Assert(containerEvents[1], checker.Equals, "attach", check.Commentf(out))
   147  	c.Assert(containerEvents[2], checker.Equals, "start", check.Commentf(out))
   148  	c.Assert(containerEvents[3], checker.Equals, "die", check.Commentf(out))
   149  	c.Assert(containerEvents[4], checker.Equals, "destroy", check.Commentf(out))
   150  }
   151  
   152  func (s *DockerSuite) TestEventsContainerEventsAttrSort(c *check.C) {
   153  	since := daemonTime(c).Unix()
   154  	containerID, _ := dockerCmd(c, "run", "-d", "--name", "container-events-test", "busybox", "true")
   155  	containerID = strings.TrimSpace(containerID)
   156  
   157  	out, _ := dockerCmd(c, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   158  	events := strings.Split(out, "\n")
   159  
   160  	nEvents := len(events)
   161  	c.Assert(nEvents, checker.GreaterOrEqualThan, 3) //Missing expected event
   162  	matchedEvents := 0
   163  	for _, event := range events {
   164  		matches := eventstestutils.ScanMap(event)
   165  		if matches["id"] != containerID {
   166  			continue
   167  		}
   168  		if matches["eventType"] == "container" && matches["action"] == "create" {
   169  			matchedEvents++
   170  			c.Assert(out, checker.Contains, "(image=busybox, name=container-events-test)", check.Commentf("Event attributes not sorted"))
   171  		} else if matches["eventType"] == "container" && matches["action"] == "start" {
   172  			matchedEvents++
   173  			c.Assert(out, checker.Contains, "(image=busybox, name=container-events-test)", check.Commentf("Event attributes not sorted"))
   174  		}
   175  	}
   176  	c.Assert(matchedEvents, checker.Equals, 2)
   177  }
   178  
   179  func (s *DockerSuite) TestEventsContainerEventsSinceUnixEpoch(c *check.C) {
   180  	dockerCmd(c, "run", "--rm", "--name", "since-epoch-test", "busybox", "true")
   181  	timeBeginning := time.Unix(0, 0).Format(time.RFC3339Nano)
   182  	timeBeginning = strings.Replace(timeBeginning, "Z", ".000000000Z", -1)
   183  	out, _ := dockerCmd(c, "events", fmt.Sprintf("--since='%s'", timeBeginning), fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   184  	events := strings.Split(out, "\n")
   185  	events = events[:len(events)-1]
   186  
   187  	nEvents := len(events)
   188  	c.Assert(nEvents, checker.GreaterOrEqualThan, 5) //Missing expected event
   189  	containerEvents := eventActionsByIDAndType(c, events, "since-epoch-test", "container")
   190  	c.Assert(containerEvents, checker.HasLen, 5, check.Commentf("events: %v", events))
   191  
   192  	c.Assert(containerEvents[0], checker.Equals, "create", check.Commentf(out))
   193  	c.Assert(containerEvents[1], checker.Equals, "attach", check.Commentf(out))
   194  	c.Assert(containerEvents[2], checker.Equals, "start", check.Commentf(out))
   195  	c.Assert(containerEvents[3], checker.Equals, "die", check.Commentf(out))
   196  	c.Assert(containerEvents[4], checker.Equals, "destroy", check.Commentf(out))
   197  }
   198  
   199  func (s *DockerSuite) TestEventsImageTag(c *check.C) {
   200  	time.Sleep(1 * time.Second) // because API has seconds granularity
   201  	since := daemonTime(c).Unix()
   202  	image := "testimageevents:tag"
   203  	dockerCmd(c, "tag", "busybox", image)
   204  
   205  	out, _ := dockerCmd(c, "events",
   206  		fmt.Sprintf("--since=%d", since),
   207  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   208  
   209  	events := strings.Split(strings.TrimSpace(out), "\n")
   210  	c.Assert(events, checker.HasLen, 1, check.Commentf("was expecting 1 event. out=%s", out))
   211  	event := strings.TrimSpace(events[0])
   212  
   213  	matches := eventstestutils.ScanMap(event)
   214  	c.Assert(matchEventID(matches, image), checker.True, check.Commentf("matches: %v\nout:\n%s", matches, out))
   215  	c.Assert(matches["action"], checker.Equals, "tag")
   216  }
   217  
   218  func (s *DockerSuite) TestEventsImagePull(c *check.C) {
   219  	// TODO Windows: Enable this test once pull and reliable image names are available
   220  	testRequires(c, DaemonIsLinux)
   221  	since := daemonTime(c).Unix()
   222  	testRequires(c, Network)
   223  
   224  	dockerCmd(c, "pull", "hello-world")
   225  
   226  	out, _ := dockerCmd(c, "events",
   227  		fmt.Sprintf("--since=%d", since),
   228  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   229  
   230  	events := strings.Split(strings.TrimSpace(out), "\n")
   231  	event := strings.TrimSpace(events[len(events)-1])
   232  	matches := eventstestutils.ScanMap(event)
   233  	c.Assert(matches["id"], checker.Equals, "hello-world:latest")
   234  	c.Assert(matches["action"], checker.Equals, "pull")
   235  
   236  }
   237  
   238  func (s *DockerSuite) TestEventsImageImport(c *check.C) {
   239  	// TODO Windows CI. This should be portable once export/import are
   240  	// more reliable (@swernli)
   241  	testRequires(c, DaemonIsLinux)
   242  
   243  	out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
   244  	cleanedContainerID := strings.TrimSpace(out)
   245  
   246  	since := daemonTime(c).Unix()
   247  	out, _, err := runCommandPipelineWithOutput(
   248  		exec.Command(dockerBinary, "export", cleanedContainerID),
   249  		exec.Command(dockerBinary, "import", "-"),
   250  	)
   251  	c.Assert(err, checker.IsNil, check.Commentf("import failed with output: %q", out))
   252  	imageRef := strings.TrimSpace(out)
   253  
   254  	out, _ = dockerCmd(c, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", "event=import")
   255  	events := strings.Split(strings.TrimSpace(out), "\n")
   256  	c.Assert(events, checker.HasLen, 1)
   257  	matches := eventstestutils.ScanMap(events[0])
   258  	c.Assert(matches["id"], checker.Equals, imageRef, check.Commentf("matches: %v\nout:\n%s\n", matches, out))
   259  	c.Assert(matches["action"], checker.Equals, "import", check.Commentf("matches: %v\nout:\n%s\n", matches, out))
   260  }
   261  
   262  func (s *DockerSuite) TestEventsFilters(c *check.C) {
   263  	since := daemonTime(c).Unix()
   264  	dockerCmd(c, "run", "--rm", "busybox", "true")
   265  	dockerCmd(c, "run", "--rm", "busybox", "true")
   266  	out, _ := dockerCmd(c, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", "event=die")
   267  	parseEvents(c, out, "die")
   268  
   269  	out, _ = dockerCmd(c, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", "event=die", "--filter", "event=start")
   270  	parseEvents(c, out, "die|start")
   271  
   272  	// make sure we at least got 2 start events
   273  	count := strings.Count(out, "start")
   274  	c.Assert(strings.Count(out, "start"), checker.GreaterOrEqualThan, 2, check.Commentf("should have had 2 start events but had %d, out: %s", count, out))
   275  
   276  }
   277  
   278  func (s *DockerSuite) TestEventsFilterImageName(c *check.C) {
   279  	since := daemonTime(c).Unix()
   280  
   281  	out, _ := dockerCmd(c, "run", "--name", "container_1", "-d", "busybox:latest", "true")
   282  	container1 := strings.TrimSpace(out)
   283  
   284  	out, _ = dockerCmd(c, "run", "--name", "container_2", "-d", "busybox", "true")
   285  	container2 := strings.TrimSpace(out)
   286  
   287  	name := "busybox"
   288  	out, _ = dockerCmd(c, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", fmt.Sprintf("image=%s", name))
   289  	events := strings.Split(out, "\n")
   290  	events = events[:len(events)-1]
   291  	c.Assert(events, checker.Not(checker.HasLen), 0) //Expected events but found none for the image busybox:latest
   292  	count1 := 0
   293  	count2 := 0
   294  
   295  	for _, e := range events {
   296  		if strings.Contains(e, container1) {
   297  			count1++
   298  		} else if strings.Contains(e, container2) {
   299  			count2++
   300  		}
   301  	}
   302  	c.Assert(count1, checker.Not(checker.Equals), 0, check.Commentf("Expected event from container but got %d from %s", count1, container1))
   303  	c.Assert(count2, checker.Not(checker.Equals), 0, check.Commentf("Expected event from container but got %d from %s", count2, container2))
   304  
   305  }
   306  
   307  func (s *DockerSuite) TestEventsFilterLabels(c *check.C) {
   308  	since := daemonTime(c).Unix()
   309  	label := "io.docker.testing=foo"
   310  
   311  	out, _ := dockerCmd(c, "run", "-d", "-l", label, "busybox:latest", "true")
   312  	container1 := strings.TrimSpace(out)
   313  
   314  	out, _ = dockerCmd(c, "run", "-d", "busybox", "true")
   315  	container2 := strings.TrimSpace(out)
   316  
   317  	out, _ = dockerCmd(
   318  		c,
   319  		"events",
   320  		fmt.Sprintf("--since=%d", since),
   321  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
   322  		"--filter", fmt.Sprintf("label=%s", label))
   323  
   324  	events := strings.Split(strings.TrimSpace(out), "\n")
   325  	c.Assert(len(events), checker.Equals, 3)
   326  
   327  	for _, e := range events {
   328  		c.Assert(e, checker.Contains, container1)
   329  		c.Assert(e, checker.Not(checker.Contains), container2)
   330  	}
   331  }
   332  
   333  func (s *DockerSuite) TestEventsFilterImageLabels(c *check.C) {
   334  	since := daemonTime(c).Unix()
   335  	name := "labelfiltertest"
   336  	label := "io.docker.testing=image"
   337  
   338  	// Build a test image.
   339  	_, err := buildImage(name, fmt.Sprintf(`
   340  		FROM busybox:latest
   341  		LABEL %s`, label), true)
   342  	c.Assert(err, checker.IsNil, check.Commentf("Couldn't create image"))
   343  
   344  	dockerCmd(c, "tag", name, "labelfiltertest:tag1")
   345  	dockerCmd(c, "tag", name, "labelfiltertest:tag2")
   346  	dockerCmd(c, "tag", "busybox:latest", "labelfiltertest:tag3")
   347  
   348  	out, _ := dockerCmd(
   349  		c,
   350  		"events",
   351  		fmt.Sprintf("--since=%d", since),
   352  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
   353  		"--filter", fmt.Sprintf("label=%s", label),
   354  		"--filter", "type=image")
   355  
   356  	events := strings.Split(strings.TrimSpace(out), "\n")
   357  
   358  	// 2 events from the "docker tag" command, another one is from "docker build"
   359  	c.Assert(events, checker.HasLen, 3, check.Commentf("Events == %s", events))
   360  	for _, e := range events {
   361  		c.Assert(e, checker.Contains, "labelfiltertest")
   362  	}
   363  }
   364  
   365  func (s *DockerSuite) TestEventsFilterContainer(c *check.C) {
   366  	since := fmt.Sprintf("%d", daemonTime(c).Unix())
   367  	nameID := make(map[string]string)
   368  
   369  	for _, name := range []string{"container_1", "container_2"} {
   370  		dockerCmd(c, "run", "--name", name, "busybox", "true")
   371  		id := inspectField(c, name, "Id")
   372  		nameID[name] = id
   373  	}
   374  
   375  	until := fmt.Sprintf("%d", daemonTime(c).Unix())
   376  
   377  	checkEvents := func(id string, events []string) error {
   378  		if len(events) != 4 { // create, attach, start, die
   379  			return fmt.Errorf("expected 4 events, got %v", events)
   380  		}
   381  		for _, event := range events {
   382  			matches := eventstestutils.ScanMap(event)
   383  			if !matchEventID(matches, id) {
   384  				return fmt.Errorf("expected event for container id %s: %s - parsed container id: %s", id, event, matches["id"])
   385  			}
   386  		}
   387  		return nil
   388  	}
   389  
   390  	for name, ID := range nameID {
   391  		// filter by names
   392  		out, _ := dockerCmd(c, "events", "--since", since, "--until", until, "--filter", "container="+name)
   393  		events := strings.Split(strings.TrimSuffix(out, "\n"), "\n")
   394  		c.Assert(checkEvents(ID, events), checker.IsNil)
   395  
   396  		// filter by ID's
   397  		out, _ = dockerCmd(c, "events", "--since", since, "--until", until, "--filter", "container="+ID)
   398  		events = strings.Split(strings.TrimSuffix(out, "\n"), "\n")
   399  		c.Assert(checkEvents(ID, events), checker.IsNil)
   400  	}
   401  }
   402  
   403  func (s *DockerSuite) TestEventsCommit(c *check.C) {
   404  	// Problematic on Windows as cannot commit a running container
   405  	testRequires(c, DaemonIsLinux)
   406  	since := daemonTime(c).Unix()
   407  
   408  	out, _ := runSleepingContainer(c, "-d")
   409  	cID := strings.TrimSpace(out)
   410  	c.Assert(waitRun(cID), checker.IsNil)
   411  
   412  	dockerCmd(c, "commit", "-m", "test", cID)
   413  	dockerCmd(c, "stop", cID)
   414  
   415  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "container="+cID, "--until="+strconv.Itoa(int(since)))
   416  	c.Assert(out, checker.Contains, "commit", check.Commentf("Missing 'commit' log event"))
   417  }
   418  
   419  func (s *DockerSuite) TestEventsCopy(c *check.C) {
   420  	since := daemonTime(c).Unix()
   421  
   422  	// Build a test image.
   423  	id, err := buildImage("cpimg", `
   424  		  FROM busybox
   425  		  RUN echo HI > /file`, true)
   426  	c.Assert(err, checker.IsNil, check.Commentf("Couldn't create image"))
   427  
   428  	// Create an empty test file.
   429  	tempFile, err := ioutil.TempFile("", "test-events-copy-")
   430  	c.Assert(err, checker.IsNil)
   431  	defer os.Remove(tempFile.Name())
   432  
   433  	c.Assert(tempFile.Close(), checker.IsNil)
   434  
   435  	dockerCmd(c, "create", "--name=cptest", id)
   436  
   437  	dockerCmd(c, "cp", "cptest:/file", tempFile.Name())
   438  
   439  	out, _ := dockerCmd(c, "events", "--since=0", "-f", "container=cptest", "--until="+strconv.Itoa(int(since)))
   440  	c.Assert(out, checker.Contains, "archive-path", check.Commentf("Missing 'archive-path' log event\n"))
   441  
   442  	dockerCmd(c, "cp", tempFile.Name(), "cptest:/filecopy")
   443  
   444  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "container=cptest", "--until="+strconv.Itoa(int(since)))
   445  	c.Assert(out, checker.Contains, "extract-to-dir", check.Commentf("Missing 'extract-to-dir' log event"))
   446  }
   447  
   448  func (s *DockerSuite) TestEventsResize(c *check.C) {
   449  	since := daemonTime(c).Unix()
   450  
   451  	out, _ := runSleepingContainer(c, "-d")
   452  	cID := strings.TrimSpace(out)
   453  	c.Assert(waitRun(cID), checker.IsNil)
   454  
   455  	endpoint := "/containers/" + cID + "/resize?h=80&w=24"
   456  	status, _, err := sockRequest("POST", endpoint, nil)
   457  	c.Assert(status, checker.Equals, http.StatusOK)
   458  	c.Assert(err, checker.IsNil)
   459  
   460  	dockerCmd(c, "stop", cID)
   461  
   462  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "container="+cID, "--until="+strconv.Itoa(int(since)))
   463  	c.Assert(out, checker.Contains, "resize", check.Commentf("Missing 'resize' log event"))
   464  }
   465  
   466  func (s *DockerSuite) TestEventsAttach(c *check.C) {
   467  	// TODO Windows CI: Figure out why this test fails intermittently (TP5).
   468  	testRequires(c, DaemonIsLinux)
   469  	since := daemonTime(c).Unix()
   470  
   471  	out, _ := dockerCmd(c, "run", "-di", "busybox", "cat")
   472  	cID := strings.TrimSpace(out)
   473  
   474  	cmd := exec.Command(dockerBinary, "attach", cID)
   475  	stdin, err := cmd.StdinPipe()
   476  	c.Assert(err, checker.IsNil)
   477  	defer stdin.Close()
   478  	stdout, err := cmd.StdoutPipe()
   479  	c.Assert(err, checker.IsNil)
   480  	defer stdout.Close()
   481  	c.Assert(cmd.Start(), checker.IsNil)
   482  	defer cmd.Process.Kill()
   483  
   484  	// Make sure we're done attaching by writing/reading some stuff
   485  	_, err = stdin.Write([]byte("hello\n"))
   486  	c.Assert(err, checker.IsNil)
   487  	out, err = bufio.NewReader(stdout).ReadString('\n')
   488  	c.Assert(err, checker.IsNil)
   489  	c.Assert(strings.TrimSpace(out), checker.Equals, "hello", check.Commentf("expected 'hello'"))
   490  
   491  	c.Assert(stdin.Close(), checker.IsNil)
   492  
   493  	dockerCmd(c, "kill", cID)
   494  
   495  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "container="+cID, "--until="+strconv.Itoa(int(since)))
   496  	c.Assert(out, checker.Contains, "attach", check.Commentf("Missing 'attach' log event"))
   497  }
   498  
   499  func (s *DockerSuite) TestEventsRename(c *check.C) {
   500  	since := daemonTime(c).Unix()
   501  
   502  	dockerCmd(c, "run", "--name", "oldName", "busybox", "true")
   503  	dockerCmd(c, "rename", "oldName", "newName")
   504  
   505  	out, _ := dockerCmd(c, "events", "--since=0", "-f", "container=newName", "--until="+strconv.Itoa(int(since)))
   506  	c.Assert(out, checker.Contains, "rename", check.Commentf("Missing 'rename' log event\n"))
   507  }
   508  
   509  func (s *DockerSuite) TestEventsTop(c *check.C) {
   510  	// Problematic on Windows as Windows does not support top
   511  	testRequires(c, DaemonIsLinux)
   512  	since := daemonTime(c).Unix()
   513  
   514  	out, _ := runSleepingContainer(c, "-d")
   515  	cID := strings.TrimSpace(out)
   516  	c.Assert(waitRun(cID), checker.IsNil)
   517  
   518  	dockerCmd(c, "top", cID)
   519  	dockerCmd(c, "stop", cID)
   520  
   521  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "container="+cID, "--until="+strconv.Itoa(int(since)))
   522  	c.Assert(out, checker.Contains, " top", check.Commentf("Missing 'top' log event"))
   523  }
   524  
   525  // #13753
   526  func (s *DockerSuite) TestEventsDefaultEmpty(c *check.C) {
   527  	dockerCmd(c, "run", "busybox")
   528  	out, _ := dockerCmd(c, "events", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   529  	c.Assert(strings.TrimSpace(out), checker.Equals, "")
   530  }
   531  
   532  // #14316
   533  func (s *DockerRegistrySuite) TestEventsImageFilterPush(c *check.C) {
   534  	// Problematic to port for Windows CI during TP5 timeframe until
   535  	// supporting push
   536  	testRequires(c, DaemonIsLinux)
   537  	testRequires(c, Network)
   538  	since := daemonTime(c).Unix()
   539  	repoName := fmt.Sprintf("%v/dockercli/testf", privateRegistryURL)
   540  
   541  	out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
   542  	cID := strings.TrimSpace(out)
   543  	c.Assert(waitRun(cID), checker.IsNil)
   544  
   545  	dockerCmd(c, "commit", cID, repoName)
   546  	dockerCmd(c, "stop", cID)
   547  	dockerCmd(c, "push", repoName)
   548  
   549  	out, _ = dockerCmd(c, "events", "--since=0", "-f", "image="+repoName, "-f", "event=push", "--until="+strconv.Itoa(int(since)))
   550  	c.Assert(out, checker.Contains, repoName, check.Commentf("Missing 'push' log event for %s", repoName))
   551  }
   552  
   553  func (s *DockerSuite) TestEventsFilterType(c *check.C) {
   554  	since := daemonTime(c).Unix()
   555  	name := "labelfiltertest"
   556  	label := "io.docker.testing=image"
   557  
   558  	// Build a test image.
   559  	_, err := buildImage(name, fmt.Sprintf(`
   560  		FROM busybox:latest
   561  		LABEL %s`, label), true)
   562  	c.Assert(err, checker.IsNil, check.Commentf("Couldn't create image"))
   563  
   564  	dockerCmd(c, "tag", name, "labelfiltertest:tag1")
   565  	dockerCmd(c, "tag", name, "labelfiltertest:tag2")
   566  	dockerCmd(c, "tag", "busybox:latest", "labelfiltertest:tag3")
   567  
   568  	out, _ := dockerCmd(
   569  		c,
   570  		"events",
   571  		fmt.Sprintf("--since=%d", since),
   572  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
   573  		"--filter", fmt.Sprintf("label=%s", label),
   574  		"--filter", "type=image")
   575  
   576  	events := strings.Split(strings.TrimSpace(out), "\n")
   577  
   578  	// 2 events from the "docker tag" command, another one is from "docker build"
   579  	c.Assert(events, checker.HasLen, 3, check.Commentf("Events == %s", events))
   580  	for _, e := range events {
   581  		c.Assert(e, checker.Contains, "labelfiltertest")
   582  	}
   583  
   584  	out, _ = dockerCmd(
   585  		c,
   586  		"events",
   587  		fmt.Sprintf("--since=%d", since),
   588  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
   589  		"--filter", fmt.Sprintf("label=%s", label),
   590  		"--filter", "type=container")
   591  	events = strings.Split(strings.TrimSpace(out), "\n")
   592  
   593  	// Events generated by the container that builds the image
   594  	c.Assert(events, checker.HasLen, 3, check.Commentf("Events == %s", events))
   595  
   596  	out, _ = dockerCmd(
   597  		c,
   598  		"events",
   599  		fmt.Sprintf("--since=%d", since),
   600  		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
   601  		"--filter", "type=network")
   602  	events = strings.Split(strings.TrimSpace(out), "\n")
   603  	c.Assert(len(events), checker.GreaterOrEqualThan, 1, check.Commentf("Events == %s", events))
   604  }
   605  
   606  func (s *DockerSuite) TestEventsFilterImageInContainerAction(c *check.C) {
   607  	since := daemonTime(c).Unix()
   608  	dockerCmd(c, "run", "--name", "test-container", "-d", "busybox", "true")
   609  	waitRun("test-container")
   610  
   611  	out, _ := dockerCmd(c, "events", "--filter", "image=busybox", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
   612  	events := strings.Split(strings.TrimSpace(out), "\n")
   613  	c.Assert(len(events), checker.GreaterThan, 1, check.Commentf(out))
   614  }
   615  
   616  func (s *DockerSuite) TestEventsContainerRestart(c *check.C) {
   617  	dockerCmd(c, "run", "-d", "--name=testEvent", "--restart=on-failure:3", "busybox", "false")
   618  
   619  	// wait until test2 is auto removed.
   620  	waitTime := 10 * time.Second
   621  	if daemonPlatform == "windows" {
   622  		// nslookup isn't present in Windows busybox. Is built-in.
   623  		waitTime = 90 * time.Second
   624  	}
   625  
   626  	err := waitInspect("testEvent", "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTime)
   627  	c.Assert(err, checker.IsNil)
   628  
   629  	var (
   630  		createCount int
   631  		startCount  int
   632  		dieCount    int
   633  	)
   634  	out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "-f", "container=testEvent")
   635  	events := strings.Split(strings.TrimSpace(out), "\n")
   636  
   637  	nEvents := len(events)
   638  	c.Assert(nEvents, checker.GreaterOrEqualThan, 1) //Missing expected event
   639  	actions := eventActionsByIDAndType(c, events, "testEvent", "container")
   640  
   641  	for _, a := range actions {
   642  		switch a {
   643  		case "create":
   644  			createCount++
   645  		case "start":
   646  			startCount++
   647  		case "die":
   648  			dieCount++
   649  		}
   650  	}
   651  	c.Assert(createCount, checker.Equals, 1, check.Commentf("testEvent should be created 1 times: %v", actions))
   652  	c.Assert(startCount, checker.Equals, 4, check.Commentf("testEvent should start 4 times: %v", actions))
   653  	c.Assert(dieCount, checker.Equals, 4, check.Commentf("testEvent should die 4 times: %v", actions))
   654  
   655  }