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moby--moby/integration-cli/docker_cli_ps_test.go

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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)
}
}
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)
}
runCmd := exec.Command(dockerBinary, "run", "--name", "nonzero1", "busybox", "false")
if out, _, err := runCommandWithOutput(runCmd); err == nil {
c.Fatal("Should fail.", out, err)
}
firstNonZero, err := getIDByName("nonzero1")
if err != nil {
c.Fatal(err)
}
runCmd = exec.Command(dockerBinary, "run", "--name", "nonzero2", "busybox", "false")
if out, _, err := runCommandWithOutput(runCmd); 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"
if out, err := exec.Command(dockerBinary, "tag", "busybox", tag).CombinedOutput(); err != nil {
c.Fatalf("Failed to tag image: %s, out: %q", err, out)
}
var id1 string
if out, err := exec.Command(dockerBinary, "run", "-d", "busybox", "top").CombinedOutput(); err != nil {
c.Fatalf("Failed to run container: %s, out: %q", err, out)
} else {
id1 = strings.TrimSpace(string(out))
}
var id2 string
if out, err := exec.Command(dockerBinary, "run", "-d", tag, "top").CombinedOutput(); err != nil {
c.Fatalf("Failed to run container: %s, out: %q", err, out)
} else {
id2 = strings.TrimSpace(string(out))
}
var imageID string
if out, err := exec.Command(dockerBinary, "inspect", "-f", "{{.Id}}", "busybox").CombinedOutput(); err != nil {
c.Fatalf("failed to get the image ID of busybox: %s, %v", out, err)
} else {
imageID = strings.TrimSpace(string(out))
}
var id3 string
if out, err := exec.Command(dockerBinary, "run", "-d", imageID, "top").CombinedOutput(); err != nil {
c.Fatalf("Failed to run container: %s, out: %q", err, out)
} else {
id3 = strings.TrimSpace(string(out))
}
out, err := exec.Command(dockerBinary, "ps", "--no-trunc").CombinedOutput()
if err != nil {
c.Fatalf("Failed to run 'ps': %s, out: %q", err, out)
}
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) {
if out, err := exec.Command(dockerBinary, "run", "--name=first", "-d", "busybox", "top").CombinedOutput(); err != nil {
c.Fatalf("Output: %s, err: %s", out, err)
}
if out, err := exec.Command(dockerBinary, "run", "--name=second", "--link=first:first", "-d", "busybox", "top").CombinedOutput(); err != nil {
c.Fatalf("Output: %s, err: %s", out, err)
}
out, err := exec.Command(dockerBinary, "ps", "--no-trunc").CombinedOutput()
if err != nil {
c.Fatalf("Output: %s, err: %s", out, err)
}
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) {
out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "sizetest", "busybox", "top"))
if err != nil {
c.Fatal(out, err)
}
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "ps", "--size"))
if err != nil {
c.Fatal(out, err)
}
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
createCmd := exec.Command(dockerBinary, "create", "busybox")
out, _, err := runCommandWithOutput(createCmd)
if err != nil {
c.Fatal(out, err)
}
cID := strings.TrimSpace(out)
shortCID := cID[:12]
// Make sure it DOESN'T show up w/o a '-a' for normal 'ps'
runCmd := exec.Command(dockerBinary, "ps", "-q")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
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'
runCmd = exec.Command(dockerBinary, "ps", "-a")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
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
runCmd = exec.Command(dockerBinary, "ps", "-q", "-f", "status=created")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
containerOut := strings.TrimSpace(out)
if !strings.HasPrefix(cID, containerOut) {
c.Fatalf("Expected id %s, got %s for filter, out: %s", cID, containerOut, out)
}
}