479 lines
14 KiB
Go
479 lines
14 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"os/exec"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestEventsUntag(c *check.C) {
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image := "busybox"
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dockerCmd(c, "tag", image, "utest:tag1")
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dockerCmd(c, "tag", image, "utest:tag2")
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dockerCmd(c, "rmi", "utest:tag1")
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dockerCmd(c, "rmi", "utest:tag2")
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eventsCmd := exec.Command(dockerBinary, "events", "--since=1")
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out, exitCode, _, err := runCommandWithOutputForDuration(eventsCmd, time.Duration(time.Millisecond*200))
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if exitCode != 0 || err != nil {
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c.Fatalf("Failed to get events - exit code %d: %s", exitCode, err)
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}
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events := strings.Split(out, "\n")
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nEvents := len(events)
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// The last element after the split above will be an empty string, so we
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// get the two elements before the last, which are the untags we're
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// looking for.
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for _, v := range events[nEvents-3 : nEvents-1] {
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if !strings.Contains(v, "untag") {
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c.Fatalf("event should be untag, not %#v", v)
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}
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}
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}
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func (s *DockerSuite) TestEventsContainerFailStartDie(c *check.C) {
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out, _ := dockerCmd(c, "images", "-q")
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image := strings.Split(out, "\n")[0]
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eventsCmd := exec.Command(dockerBinary, "run", "--name", "testeventdie", image, "blerg")
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_, _, err := runCommandWithOutput(eventsCmd)
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if err == nil {
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c.Fatalf("Container run with command blerg should have failed, but it did not")
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}
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eventsCmd = exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, _, _ = runCommandWithOutput(eventsCmd)
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events := strings.Split(out, "\n")
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if len(events) <= 1 {
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c.Fatalf("Missing expected event")
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}
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startEvent := strings.Fields(events[len(events)-3])
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dieEvent := strings.Fields(events[len(events)-2])
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if startEvent[len(startEvent)-1] != "start" {
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c.Fatalf("event should be start, not %#v", startEvent)
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}
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if dieEvent[len(dieEvent)-1] != "die" {
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c.Fatalf("event should be die, not %#v", dieEvent)
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}
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}
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func (s *DockerSuite) TestEventsLimit(c *check.C) {
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for i := 0; i < 30; i++ {
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dockerCmd(c, "run", "busybox", "echo", strconv.Itoa(i))
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}
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eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, _, _ := runCommandWithOutput(eventsCmd)
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events := strings.Split(out, "\n")
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nEvents := len(events) - 1
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if nEvents != 64 {
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c.Fatalf("events should be limited to 64, but received %d", nEvents)
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}
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}
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func (s *DockerSuite) TestEventsContainerEvents(c *check.C) {
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dockerCmd(c, "run", "--rm", "busybox", "true")
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eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, exitCode, err := runCommandWithOutput(eventsCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("Failed to get events with exit code %d: %s", exitCode, err)
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}
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events := strings.Split(out, "\n")
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events = events[:len(events)-1]
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if len(events) < 4 {
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c.Fatalf("Missing expected event")
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}
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createEvent := strings.Fields(events[len(events)-4])
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startEvent := strings.Fields(events[len(events)-3])
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dieEvent := strings.Fields(events[len(events)-2])
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destroyEvent := strings.Fields(events[len(events)-1])
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if createEvent[len(createEvent)-1] != "create" {
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c.Fatalf("event should be create, not %#v", createEvent)
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}
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if startEvent[len(startEvent)-1] != "start" {
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c.Fatalf("event should be start, not %#v", startEvent)
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}
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if dieEvent[len(dieEvent)-1] != "die" {
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c.Fatalf("event should be die, not %#v", dieEvent)
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}
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if destroyEvent[len(destroyEvent)-1] != "destroy" {
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c.Fatalf("event should be destroy, not %#v", destroyEvent)
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}
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}
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func (s *DockerSuite) TestEventsContainerEventsSinceUnixEpoch(c *check.C) {
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dockerCmd(c, "run", "--rm", "busybox", "true")
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timeBeginning := time.Unix(0, 0).Format(time.RFC3339Nano)
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timeBeginning = strings.Replace(timeBeginning, "Z", ".000000000Z", -1)
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eventsCmd := exec.Command(dockerBinary, "events", fmt.Sprintf("--since='%s'", timeBeginning),
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fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, exitCode, err := runCommandWithOutput(eventsCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("Failed to get events with exit code %d: %s", exitCode, err)
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}
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events := strings.Split(out, "\n")
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events = events[:len(events)-1]
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if len(events) < 4 {
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c.Fatalf("Missing expected event")
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}
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createEvent := strings.Fields(events[len(events)-4])
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startEvent := strings.Fields(events[len(events)-3])
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dieEvent := strings.Fields(events[len(events)-2])
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destroyEvent := strings.Fields(events[len(events)-1])
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if createEvent[len(createEvent)-1] != "create" {
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c.Fatalf("event should be create, not %#v", createEvent)
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}
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if startEvent[len(startEvent)-1] != "start" {
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c.Fatalf("event should be start, not %#v", startEvent)
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}
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if dieEvent[len(dieEvent)-1] != "die" {
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c.Fatalf("event should be die, not %#v", dieEvent)
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}
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if destroyEvent[len(destroyEvent)-1] != "destroy" {
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c.Fatalf("event should be destroy, not %#v", destroyEvent)
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}
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}
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func (s *DockerSuite) TestEventsImageUntagDelete(c *check.C) {
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name := "testimageevents"
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defer deleteImages(name)
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_, err := buildImage(name,
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`FROM scratch
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MAINTAINER "docker"`,
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true)
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if err != nil {
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c.Fatal(err)
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}
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if err := deleteImages(name); err != nil {
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c.Fatal(err)
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}
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eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, exitCode, err := runCommandWithOutput(eventsCmd)
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if exitCode != 0 || err != nil {
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c.Fatalf("Failed to get events with exit code %d: %s", exitCode, err)
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}
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events := strings.Split(out, "\n")
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events = events[:len(events)-1]
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if len(events) < 2 {
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c.Fatalf("Missing expected event")
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}
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untagEvent := strings.Fields(events[len(events)-2])
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deleteEvent := strings.Fields(events[len(events)-1])
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if untagEvent[len(untagEvent)-1] != "untag" {
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c.Fatalf("untag should be untag, not %#v", untagEvent)
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}
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if deleteEvent[len(deleteEvent)-1] != "delete" {
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c.Fatalf("delete should be delete, not %#v", deleteEvent)
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}
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}
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func (s *DockerSuite) TestEventsImagePull(c *check.C) {
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since := daemonTime(c).Unix()
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testRequires(c, Network)
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defer deleteImages("hello-world")
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pullCmd := exec.Command(dockerBinary, "pull", "hello-world")
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if out, _, err := runCommandWithOutput(pullCmd); err != nil {
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c.Fatalf("pulling the hello-world image from has failed: %s, %v", out, err)
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}
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eventsCmd := exec.Command(dockerBinary, "events",
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fmt.Sprintf("--since=%d", since),
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fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, _, _ := runCommandWithOutput(eventsCmd)
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events := strings.Split(strings.TrimSpace(out), "\n")
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event := strings.TrimSpace(events[len(events)-1])
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if !strings.HasSuffix(event, "hello-world:latest: pull") {
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c.Fatalf("Missing pull event - got:%q", event)
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}
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}
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func (s *DockerSuite) TestEventsImageImport(c *check.C) {
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since := daemonTime(c).Unix()
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal("failed to create a container", out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _, err = runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "export", cleanedContainerID),
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exec.Command(dockerBinary, "import", "-"),
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)
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if err != nil {
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c.Errorf("import failed with errors: %v, output: %q", err, out)
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}
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eventsCmd := exec.Command(dockerBinary, "events",
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fmt.Sprintf("--since=%d", since),
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fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
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out, _, _ = runCommandWithOutput(eventsCmd)
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events := strings.Split(strings.TrimSpace(out), "\n")
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event := strings.TrimSpace(events[len(events)-1])
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if !strings.HasSuffix(event, ": import") {
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c.Fatalf("Missing import event - got:%q", event)
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}
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}
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func (s *DockerSuite) TestEventsFilters(c *check.C) {
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parseEvents := func(out, match string) {
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events := strings.Split(out, "\n")
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events = events[:len(events)-1]
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for _, event := range events {
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eventFields := strings.Fields(event)
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eventName := eventFields[len(eventFields)-1]
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if ok, err := regexp.MatchString(match, eventName); err != nil || !ok {
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c.Fatalf("event should match %s, got %#v, err: %v", match, eventFields, err)
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}
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}
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}
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since := daemonTime(c).Unix()
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", "busybox", "true"))
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if err != nil {
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c.Fatal(out, err)
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}
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", "busybox", "true"))
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if err != nil {
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c.Fatal(out, err)
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}
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", "event=die"))
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if err != nil {
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c.Fatalf("Failed to get events: %s", err)
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}
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parseEvents(out, "die")
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", "event=die", "--filter", "event=start"))
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if err != nil {
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c.Fatalf("Failed to get events: %s", err)
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}
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parseEvents(out, "((die)|(start))")
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// make sure we at least got 2 start events
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count := strings.Count(out, "start")
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if count < 2 {
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c.Fatalf("should have had 2 start events but had %d, out: %s", count, out)
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}
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}
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func (s *DockerSuite) TestEventsFilterImageName(c *check.C) {
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since := daemonTime(c).Unix()
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_1", "-d", "busybox:latest", "true"))
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if err != nil {
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c.Fatal(out, err)
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}
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container1 := strings.TrimSpace(out)
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_2", "-d", "busybox", "true"))
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if err != nil {
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c.Fatal(out, err)
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}
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container2 := strings.TrimSpace(out)
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name := "busybox"
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eventsCmd := exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(c).Unix()), "--filter", fmt.Sprintf("image=%s", name))
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out, _, err = runCommandWithOutput(eventsCmd)
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if err != nil {
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c.Fatalf("Failed to get events, error: %s(%s)", err, out)
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}
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events := strings.Split(out, "\n")
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events = events[:len(events)-1]
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if len(events) == 0 {
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c.Fatalf("Expected events but found none for the image busybox:latest")
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}
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count1 := 0
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count2 := 0
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for _, e := range events {
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if strings.Contains(e, container1) {
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count1++
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} else if strings.Contains(e, container2) {
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count2++
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}
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}
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if count1 == 0 || count2 == 0 {
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c.Fatalf("Expected events from each container but got %d from %s and %d from %s", count1, container1, count2, container2)
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}
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}
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func (s *DockerSuite) TestEventsFilterContainer(c *check.C) {
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since := fmt.Sprintf("%d", daemonTime(c).Unix())
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nameID := make(map[string]string)
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for _, name := range []string{"container_1", "container_2"} {
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", name, "busybox", "true"))
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if err != nil {
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c.Fatal(err)
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}
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nameID[name] = strings.TrimSpace(out)
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waitInspect(name, "{{.State.Runing }}", "false", 5)
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}
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until := fmt.Sprintf("%d", daemonTime(c).Unix())
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checkEvents := func(id string, events []string) error {
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if len(events) != 3 { // create, start, die
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return fmt.Errorf("expected 3 events, got %v", events)
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}
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for _, event := range events {
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e := strings.Fields(event)
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if len(e) < 3 {
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return fmt.Errorf("got malformed event: %s", event)
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}
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// Check the id
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parsedID := strings.TrimSuffix(e[1], ":")
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if parsedID != id {
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return fmt.Errorf("expected event for container id %s: %s - parsed container id: %s", id, event, parsedID)
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}
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}
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return nil
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}
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for name, ID := range nameID {
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// filter by names
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eventsCmd := exec.Command(dockerBinary, "events", "--since", since, "--until", until, "--filter", "container="+name)
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out, _, err := runCommandWithOutput(eventsCmd)
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if err != nil {
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c.Fatal(err)
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}
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events := strings.Split(strings.TrimSuffix(out, "\n"), "\n")
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if err := checkEvents(ID, events); err != nil {
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c.Fatal(err)
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}
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// filter by ID's
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eventsCmd = exec.Command(dockerBinary, "events", "--since", since, "--until", until, "--filter", "container="+ID)
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out, _, err = runCommandWithOutput(eventsCmd)
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if err != nil {
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c.Fatal(err)
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}
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events = strings.Split(strings.TrimSuffix(out, "\n"), "\n")
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if err := checkEvents(ID, events); err != nil {
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c.Fatal(err)
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}
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}
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}
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func (s *DockerSuite) TestEventsStreaming(c *check.C) {
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start := daemonTime(c).Unix()
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finish := make(chan struct{})
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defer close(finish)
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id := make(chan string)
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eventCreate := make(chan struct{})
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eventStart := make(chan struct{})
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eventDie := make(chan struct{})
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eventDestroy := make(chan struct{})
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go func() {
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eventsCmd := exec.Command(dockerBinary, "events", "--since", strconv.FormatInt(start, 10))
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stdout, err := eventsCmd.StdoutPipe()
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if err != nil {
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c.Fatal(err)
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}
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err = eventsCmd.Start()
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if err != nil {
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c.Fatalf("failed to start 'docker events': %s", err)
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}
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go func() {
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<-finish
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eventsCmd.Process.Kill()
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}()
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containerID := <-id
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matchCreate := regexp.MustCompile(containerID + `: \(from busybox:latest\) create$`)
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matchStart := regexp.MustCompile(containerID + `: \(from busybox:latest\) start$`)
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matchDie := regexp.MustCompile(containerID + `: \(from busybox:latest\) die$`)
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matchDestroy := regexp.MustCompile(containerID + `: \(from busybox:latest\) destroy$`)
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scanner := bufio.NewScanner(stdout)
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for scanner.Scan() {
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switch {
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case matchCreate.MatchString(scanner.Text()):
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close(eventCreate)
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case matchStart.MatchString(scanner.Text()):
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close(eventStart)
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case matchDie.MatchString(scanner.Text()):
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close(eventDie)
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case matchDestroy.MatchString(scanner.Text()):
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close(eventDestroy)
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}
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}
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err = eventsCmd.Wait()
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if err != nil && !IsKilled(err) {
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c.Fatalf("docker events had bad exit status: %s", err)
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}
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}()
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox:latest", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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id <- cleanedContainerID
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select {
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case <-time.After(5 * time.Second):
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c.Fatal("failed to observe container create in timely fashion")
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case <-eventCreate:
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// ignore, done
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}
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select {
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case <-time.After(5 * time.Second):
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c.Fatal("failed to observe container start in timely fashion")
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case <-eventStart:
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// ignore, done
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}
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select {
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case <-time.After(5 * time.Second):
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c.Fatal("failed to observe container die in timely fashion")
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case <-eventDie:
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// ignore, done
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}
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rmCmd := exec.Command(dockerBinary, "rm", cleanedContainerID)
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out, _, err = runCommandWithOutput(rmCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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select {
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case <-time.After(5 * time.Second):
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c.Fatal("failed to observe container destroy in timely fashion")
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case <-eventDestroy:
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// ignore, done
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}
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}
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