package main import ( "fmt" "os/exec" "reflect" "strconv" "strings" "time" "github.com/go-check/check" ) func (s *DockerSuite) TestPsListContainers(c *check.C) { out, _ := dockerCmd(c, "run", "-d", "busybox", "top") firstID := strings.TrimSpace(out) out, _ = dockerCmd(c, "run", "-d", "busybox", "top") secondID := strings.TrimSpace(out) // not long running out, _ = dockerCmd(c, "run", "-d", "busybox", "true") thirdID := strings.TrimSpace(out) out, _ = dockerCmd(c, "run", "-d", "busybox", "top") fourthID := strings.TrimSpace(out) // make sure the second is running if err := waitRun(secondID); err != nil { c.Fatalf("waiting for container failed: %v", err) } // make sure third one is not running dockerCmd(c, "wait", thirdID) // make sure the forth is running if err := waitRun(fourthID); err != nil { c.Fatalf("waiting for container failed: %v", err) } // all out, _ = dockerCmd(c, "ps", "-a") if !assertContainerList(out, []string{fourthID, thirdID, secondID, firstID}) { c.Errorf("Container list is not in the correct order: %s", out) } // running out, _ = dockerCmd(c, "ps") if !assertContainerList(out, []string{fourthID, secondID, firstID}) { c.Errorf("Container list is not in the correct order: %s", out) } // from here all flag '-a' is ignored // limit out, _ = dockerCmd(c, "ps", "-n=2", "-a") expected := []string{fourthID, thirdID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "-n=2") if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } // since out, _ = dockerCmd(c, "ps", "--since", firstID, "-a") expected = []string{fourthID, thirdID, secondID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--since", firstID) if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } // before out, _ = dockerCmd(c, "ps", "--before", thirdID, "-a") expected = []string{secondID, firstID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--before", thirdID) if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } // since & before out, _ = dockerCmd(c, "ps", "--since", firstID, "--before", fourthID, "-a") expected = []string{thirdID, secondID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--since", firstID, "--before", fourthID) if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } // since & limit out, _ = dockerCmd(c, "ps", "--since", firstID, "-n=2", "-a") expected = []string{fourthID, thirdID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--since", firstID, "-n=2") if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } // before & limit out, _ = dockerCmd(c, "ps", "--before", fourthID, "-n=1", "-a") expected = []string{thirdID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--before", fourthID, "-n=1") if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--since", firstID, "--before", fourthID, "-n=1", "-a") expected = []string{thirdID} if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } out, _ = dockerCmd(c, "ps", "--since", firstID, "--before", fourthID, "-n=1") if !assertContainerList(out, expected) { c.Errorf("Container list is not in the correct order: %s", out) } } func assertContainerList(out string, expected []string) bool { lines := strings.Split(strings.Trim(out, "\n "), "\n") if len(lines)-1 != len(expected) { return false } containerIDIndex := strings.Index(lines[0], "CONTAINER ID") for i := 0; i < len(expected); i++ { foundID := lines[i+1][containerIDIndex : containerIDIndex+12] if foundID != expected[i][:12] { return false } } return true } func (s *DockerSuite) TestPsListContainersSize(c *check.C) { dockerCmd(c, "run", "-d", "busybox", "echo", "hello") baseOut, _ := dockerCmd(c, "ps", "-s", "-n=1") baseLines := strings.Split(strings.Trim(baseOut, "\n "), "\n") baseSizeIndex := strings.Index(baseLines[0], "SIZE") baseFoundsize := baseLines[1][baseSizeIndex:] baseBytes, err := strconv.Atoi(strings.Split(baseFoundsize, " ")[0]) if err != nil { c.Fatal(err) } name := "test_size" out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo 1 > test") id, err := getIDByName(name) if err != nil { c.Fatal(err) } runCmd := exec.Command(dockerBinary, "ps", "-s", "-n=1") wait := make(chan struct{}) go func() { out, _, err = runCommandWithOutput(runCmd) close(wait) }() select { case <-wait: case <-time.After(3 * time.Second): c.Fatalf("Calling \"docker ps -s\" timed out!") } if err != nil { c.Fatal(out, err) } lines := strings.Split(strings.Trim(out, "\n "), "\n") if len(lines) != 2 { c.Fatalf("Expected 2 lines for 'ps -s -n=1' output, got %d", len(lines)) } sizeIndex := strings.Index(lines[0], "SIZE") idIndex := strings.Index(lines[0], "CONTAINER ID") foundID := lines[1][idIndex : idIndex+12] if foundID != id[:12] { c.Fatalf("Expected id %s, got %s", id[:12], foundID) } expectedSize := fmt.Sprintf("%d B", (2 + baseBytes)) foundSize := lines[1][sizeIndex:] if !strings.Contains(foundSize, expectedSize) { c.Fatalf("Expected size %q, got %q", expectedSize, foundSize) } } func (s *DockerSuite) TestPsListContainersFilterStatus(c *check.C) { // FIXME: this should test paused, but it makes things hang and its wonky // this is because paused containers can't be controlled by signals // start exited container out, _ := dockerCmd(c, "run", "-d", "busybox") firstID := strings.TrimSpace(out) // make sure the exited cintainer is not running dockerCmd(c, "wait", firstID) // start running container out, _ = dockerCmd(c, "run", "-itd", "busybox") secondID := strings.TrimSpace(out) // filter containers by exited out, _ = dockerCmd(c, "ps", "-q", "--filter=status=exited") containerOut := strings.TrimSpace(out) if containerOut != firstID[:12] { c.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out) } out, _ = dockerCmd(c, "ps", "-a", "-q", "--filter=status=running") containerOut = strings.TrimSpace(out) if containerOut != secondID[:12] { c.Fatalf("Expected id %s, got %s for running filter, output: %q", secondID[:12], containerOut, out) } out, _, _ = dockerCmdWithTimeout(time.Second*60, "ps", "-a", "-q", "--filter=status=rubbish") if !strings.Contains(out, "Unrecognised filter value for status") { c.Fatalf("Expected error response due to invalid status filter output: %q", out) } } func (s *DockerSuite) TestPsListContainersFilterID(c *check.C) { // start container out, _ := dockerCmd(c, "run", "-d", "busybox") firstID := strings.TrimSpace(out) // start another container dockerCmd(c, "run", "-d", "busybox", "top") // filter containers by id out, _ = dockerCmd(c, "ps", "-a", "-q", "--filter=id="+firstID) containerOut := strings.TrimSpace(out) if containerOut != firstID[:12] { c.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out) } } func (s *DockerSuite) TestPsListContainersFilterName(c *check.C) { // start container out, _ := dockerCmd(c, "run", "-d", "--name=a_name_to_match", "busybox") firstID := strings.TrimSpace(out) // start another container dockerCmd(c, "run", "-d", "--name=b_name_to_match", "busybox", "top") // filter containers by name out, _ = dockerCmd(c, "ps", "-a", "-q", "--filter=name=a_name_to_match") containerOut := strings.TrimSpace(out) if containerOut != firstID[:12] { c.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out) } } func (s *DockerSuite) TestPsListContainersFilterLabel(c *check.C) { // start container out, _ := dockerCmd(c, "run", "-d", "-l", "match=me", "-l", "second=tag", "busybox") firstID := strings.TrimSpace(out) // start another container out, _ = dockerCmd(c, "run", "-d", "-l", "match=me too", "busybox") secondID := strings.TrimSpace(out) // start third container out, _ = dockerCmd(c, "run", "-d", "-l", "nomatch=me", "busybox") thirdID := strings.TrimSpace(out) // filter containers by exact match out, _ = dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=label=match=me") containerOut := strings.TrimSpace(out) if containerOut != firstID { c.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID, containerOut, out) } // filter containers by two labels out, _ = dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=label=match=me", "--filter=label=second=tag") containerOut = strings.TrimSpace(out) if containerOut != firstID { c.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID, containerOut, out) } // filter containers by two labels, but expect not found because of AND behavior out, _ = dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=label=match=me", "--filter=label=second=tag-no") containerOut = strings.TrimSpace(out) if containerOut != "" { c.Fatalf("Expected nothing, got %s for exited filter, output: %q", containerOut, out) } // filter containers by exact key out, _ = dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=label=match") containerOut = strings.TrimSpace(out) if (!strings.Contains(containerOut, firstID) || !strings.Contains(containerOut, secondID)) || strings.Contains(containerOut, thirdID) { c.Fatalf("Expected ids %s,%s, got %s for exited filter, output: %q", firstID, secondID, containerOut, out) } } func (s *DockerSuite) TestPsListContainersFilterExited(c *check.C) { dockerCmd(c, "run", "-d", "--name", "top", "busybox", "top") dockerCmd(c, "run", "--name", "zero1", "busybox", "true") firstZero, err := getIDByName("zero1") if err != nil { c.Fatal(err) } dockerCmd(c, "run", "--name", "zero2", "busybox", "true") secondZero, err := getIDByName("zero2") if err != nil { c.Fatal(err) } if out, _, err := dockerCmdWithError("run", "--name", "nonzero1", "busybox", "false"); err == nil { c.Fatal("Should fail.", out, err) } firstNonZero, err := getIDByName("nonzero1") if err != nil { c.Fatal(err) } if out, _, err := dockerCmdWithError("run", "--name", "nonzero2", "busybox", "false"); err == nil { c.Fatal("Should fail.", out, err) } secondNonZero, err := getIDByName("nonzero2") if err != nil { c.Fatal(err) } // filter containers by exited=0 out, _ := dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=exited=0") ids := strings.Split(strings.TrimSpace(out), "\n") if len(ids) != 2 { c.Fatalf("Should be 2 zero exited containers got %d: %s", len(ids), out) } if ids[0] != secondZero { c.Fatalf("First in list should be %q, got %q", secondZero, ids[0]) } if ids[1] != firstZero { c.Fatalf("Second in list should be %q, got %q", firstZero, ids[1]) } out, _ = dockerCmd(c, "ps", "-a", "-q", "--no-trunc", "--filter=exited=1") ids = strings.Split(strings.TrimSpace(out), "\n") if len(ids) != 2 { c.Fatalf("Should be 2 zero exited containers got %d", len(ids)) } if ids[0] != secondNonZero { c.Fatalf("First in list should be %q, got %q", secondNonZero, ids[0]) } if ids[1] != firstNonZero { c.Fatalf("Second in list should be %q, got %q", firstNonZero, ids[1]) } } func (s *DockerSuite) TestPsRightTagName(c *check.C) { tag := "asybox:shmatest" dockerCmd(c, "tag", "busybox", tag) var id1 string out, _ := dockerCmd(c, "run", "-d", "busybox", "top") id1 = strings.TrimSpace(string(out)) var id2 string out, _ = dockerCmd(c, "run", "-d", tag, "top") id2 = strings.TrimSpace(string(out)) var imageID string out, _ = dockerCmd(c, "inspect", "-f", "{{.Id}}", "busybox") imageID = strings.TrimSpace(string(out)) var id3 string out, _ = dockerCmd(c, "run", "-d", imageID, "top") id3 = strings.TrimSpace(string(out)) out, _ = dockerCmd(c, "ps", "--no-trunc") lines := strings.Split(strings.TrimSpace(string(out)), "\n") // skip header lines = lines[1:] if len(lines) != 3 { c.Fatalf("There should be 3 running container, got %d", len(lines)) } for _, line := range lines { f := strings.Fields(line) switch f[0] { case id1: if f[1] != "busybox" { c.Fatalf("Expected %s tag for id %s, got %s", "busybox", id1, f[1]) } case id2: if f[1] != tag { c.Fatalf("Expected %s tag for id %s, got %s", tag, id2, f[1]) } case id3: if f[1] != imageID { c.Fatalf("Expected %s imageID for id %s, got %s", tag, id3, f[1]) } default: c.Fatalf("Unexpected id %s, expected %s and %s and %s", f[0], id1, id2, id3) } } } func (s *DockerSuite) TestPsLinkedWithNoTrunc(c *check.C) { dockerCmd(c, "run", "--name=first", "-d", "busybox", "top") dockerCmd(c, "run", "--name=second", "--link=first:first", "-d", "busybox", "top") out, _ := dockerCmd(c, "ps", "--no-trunc") lines := strings.Split(strings.TrimSpace(string(out)), "\n") // strip header lines = lines[1:] expected := []string{"second", "first,second/first"} var names []string for _, l := range lines { fields := strings.Fields(l) names = append(names, fields[len(fields)-1]) } if !reflect.DeepEqual(expected, names) { c.Fatalf("Expected array: %v, got: %v", expected, names) } } func (s *DockerSuite) TestPsGroupPortRange(c *check.C) { portRange := "3800-3900" dockerCmd(c, "run", "-d", "--name", "porttest", "-p", portRange+":"+portRange, "busybox", "top") out, _ := dockerCmd(c, "ps") // check that the port range is in the output if !strings.Contains(string(out), portRange) { c.Fatalf("docker ps output should have had the port range %q: %s", portRange, string(out)) } } func (s *DockerSuite) TestPsWithSize(c *check.C) { dockerCmd(c, "run", "-d", "--name", "sizetest", "busybox", "top") out, _ := dockerCmd(c, "ps", "--size") if !strings.Contains(out, "virtual") { c.Fatalf("docker ps with --size should show virtual size of container") } } func (s *DockerSuite) TestPsListContainersFilterCreated(c *check.C) { // create a container out, _ := dockerCmd(c, "create", "busybox") cID := strings.TrimSpace(out) shortCID := cID[:12] // Make sure it DOESN'T show up w/o a '-a' for normal 'ps' out, _ = dockerCmd(c, "ps", "-q") if strings.Contains(out, shortCID) { c.Fatalf("Should have not seen '%s' in ps output:\n%s", shortCID, out) } // Make sure it DOES show up as 'Created' for 'ps -a' out, _ = dockerCmd(c, "ps", "-a") hits := 0 for _, line := range strings.Split(out, "\n") { if !strings.Contains(line, shortCID) { continue } hits++ if !strings.Contains(line, "Created") { c.Fatalf("Missing 'Created' on '%s'", line) } } if hits != 1 { c.Fatalf("Should have seen '%s' in ps -a output once:%d\n%s", shortCID, hits, out) } // filter containers by 'create' - note, no -a needed out, _ = dockerCmd(c, "ps", "-q", "-f", "status=created") containerOut := strings.TrimSpace(out) if !strings.HasPrefix(cID, containerOut) { c.Fatalf("Expected id %s, got %s for filter, out: %s", cID, containerOut, out) } } func (s *DockerSuite) TestPsFormatMultiNames(c *check.C) { //create 2 containers and link them dockerCmd(c, "run", "--name=child", "-d", "busybox", "top") dockerCmd(c, "run", "--name=parent", "--link=child:linkedone", "-d", "busybox", "top") //use the new format capabilities to only list the names and --no-trunc to get all names out, _ := dockerCmd(c, "ps", "--format", "{{.Names}}", "--no-trunc") lines := strings.Split(strings.TrimSpace(string(out)), "\n") expected := []string{"parent", "child,parent/linkedone"} var names []string for _, l := range lines { names = append(names, l) } if !reflect.DeepEqual(expected, names) { c.Fatalf("Expected array with non-truncated names: %v, got: %v", expected, names) } //now list without turning off truncation and make sure we only get the non-link names out, _ = dockerCmd(c, "ps", "--format", "{{.Names}}") lines = strings.Split(strings.TrimSpace(string(out)), "\n") expected = []string{"parent", "child"} var truncNames []string for _, l := range lines { truncNames = append(truncNames, l) } if !reflect.DeepEqual(expected, truncNames) { c.Fatalf("Expected array with truncated names: %v, got: %v", expected, truncNames) } } func (s *DockerSuite) TestPsFormatHeaders(c *check.C) { // make sure no-container "docker ps" still prints the header row out, _ := dockerCmd(c, "ps", "--format", "table {{.ID}}") if out != "CONTAINER ID\n" { c.Fatalf(`Expected 'CONTAINER ID\n', got %v`, out) } // verify that "docker ps" with a container still prints the header row also dockerCmd(c, "run", "--name=test", "-d", "busybox", "top") out, _ = dockerCmd(c, "ps", "--format", "table {{.Names}}") if out != "NAMES\ntest\n" { c.Fatalf(`Expected 'NAMES\ntest\n', got %v`, out) } }