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moby--moby/integration-cli/docker_cli_create_test.go

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package main
import (
"encoding/json"
"fmt"
"os"
"reflect"
"strings"
"time"
"os/exec"
"io/ioutil"
"github.com/docker/docker/pkg/integration/checker"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/go-connections/nat"
"github.com/go-check/check"
)
// Make sure we can create a simple container with some args
func (s *DockerSuite) TestCreateArgs(c *check.C) {
// Intentionally clear entrypoint, as the Windows busybox image needs an entrypoint, which breaks this test
out, _ := dockerCmd(c, "create", "--entrypoint=", "busybox", "command", "arg1", "arg2", "arg with space", "-c", "flags")
cleanedContainerID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "inspect", cleanedContainerID)
containers := []struct {
ID string
Created time.Time
Path string
Args []string
Image string
}{}
err := json.Unmarshal([]byte(out), &containers)
c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err))
c.Assert(containers, checker.HasLen, 1)
cont := containers[0]
c.Assert(string(cont.Path), checker.Equals, "command", check.Commentf("Unexpected container path. Expected command, received: %s", cont.Path))
b := false
expected := []string{"arg1", "arg2", "arg with space", "-c", "flags"}
for i, arg := range expected {
if arg != cont.Args[i] {
b = true
break
}
}
if len(cont.Args) != len(expected) || b {
c.Fatalf("Unexpected args. Expected %v, received: %v", expected, cont.Args)
}
}
// Make sure we can grow the container's rootfs at creation time.
func (s *DockerSuite) TestCreateGrowRootfs(c *check.C) {
// Windows and Devicemapper support growing the rootfs
if daemonPlatform != "windows" {
testRequires(c, Devicemapper)
}
out, _ := dockerCmd(c, "create", "--storage-opt", "size=120G", "busybox")
cleanedContainerID := strings.TrimSpace(out)
inspectOut := inspectField(c, cleanedContainerID, "HostConfig.StorageOpt")
c.Assert(inspectOut, checker.Equals, "map[size:120G]")
}
// Make sure we cannot shrink the container's rootfs at creation time.
func (s *DockerSuite) TestCreateShrinkRootfs(c *check.C) {
testRequires(c, Devicemapper)
// Ensure this fails because of the defaultBaseFsSize is 10G
out, _, err := dockerCmdWithError("create", "--storage-opt", "size=5G", "busybox")
c.Assert(err, check.NotNil, check.Commentf(out))
c.Assert(out, checker.Contains, "Container size cannot be smaller than")
}
// Make sure we can set hostconfig options too
func (s *DockerSuite) TestCreateHostConfig(c *check.C) {
out, _ := dockerCmd(c, "create", "-P", "busybox", "echo")
cleanedContainerID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "inspect", cleanedContainerID)
containers := []struct {
HostConfig *struct {
PublishAllPorts bool
}
}{}
err := json.Unmarshal([]byte(out), &containers)
c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err))
c.Assert(containers, checker.HasLen, 1)
cont := containers[0]
c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none"))
c.Assert(cont.HostConfig.PublishAllPorts, check.NotNil, check.Commentf("Expected PublishAllPorts, got false"))
}
func (s *DockerSuite) TestCreateWithPortRange(c *check.C) {
out, _ := dockerCmd(c, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo")
cleanedContainerID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "inspect", cleanedContainerID)
containers := []struct {
HostConfig *struct {
PortBindings map[nat.Port][]nat.PortBinding
}
}{}
err := json.Unmarshal([]byte(out), &containers)
c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err))
c.Assert(containers, checker.HasLen, 1)
cont := containers[0]
c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none"))
c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 4, check.Commentf("Expected 4 ports bindings, got %d", len(cont.HostConfig.PortBindings)))
for k, v := range cont.HostConfig.PortBindings {
c.Assert(v, checker.HasLen, 1, check.Commentf("Expected 1 ports binding, for the port %s but found %s", k, v))
c.Assert(k.Port(), checker.Equals, v[0].HostPort, check.Commentf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort))
}
}
func (s *DockerSuite) TestCreateWithLargePortRange(c *check.C) {
out, _ := dockerCmd(c, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo")
cleanedContainerID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "inspect", cleanedContainerID)
containers := []struct {
HostConfig *struct {
PortBindings map[nat.Port][]nat.PortBinding
}
}{}
err := json.Unmarshal([]byte(out), &containers)
c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err))
c.Assert(containers, checker.HasLen, 1)
cont := containers[0]
c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none"))
c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 65535)
for k, v := range cont.HostConfig.PortBindings {
c.Assert(v, checker.HasLen, 1)
c.Assert(k.Port(), checker.Equals, v[0].HostPort, check.Commentf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort))
}
}
// "test123" should be printed by docker create + start
func (s *DockerSuite) TestCreateEchoStdout(c *check.C) {
out, _ := dockerCmd(c, "create", "busybox", "echo", "test123")
cleanedContainerID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "start", "-ai", cleanedContainerID)
c.Assert(out, checker.Equals, "test123\n", check.Commentf("container should've printed 'test123', got %q", out))
}
func (s *DockerSuite) TestCreateVolumesCreated(c *check.C) {
testRequires(c, SameHostDaemon)
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
name := "test_create_volume"
dockerCmd(c, "create", "--name", name, "-v", prefix+slash+"foo", "busybox")
dir, err := inspectMountSourceField(name, prefix+slash+"foo")
c.Assert(err, check.IsNil, check.Commentf("Error getting volume host path: %q", err))
if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) {
c.Fatalf("Volume was not created")
}
if err != nil {
c.Fatalf("Error statting volume host path: %q", err)
}
}
func (s *DockerSuite) TestCreateLabels(c *check.C) {
name := "test_create_labels"
expected := map[string]string{"k1": "v1", "k2": "v2"}
dockerCmd(c, "create", "--name", name, "-l", "k1=v1", "--label", "k2=v2", "busybox")
actual := make(map[string]string)
inspectFieldAndMarshall(c, name, "Config.Labels", &actual)
if !reflect.DeepEqual(expected, actual) {
c.Fatalf("Expected %s got %s", expected, actual)
}
}
func (s *DockerSuite) TestCreateLabelFromImage(c *check.C) {
imageName := "testcreatebuildlabel"
_, err := buildImage(imageName,
`FROM busybox
LABEL k1=v1 k2=v2`,
true)
c.Assert(err, check.IsNil)
name := "test_create_labels_from_image"
expected := map[string]string{"k2": "x", "k3": "v3", "k1": "v1"}
dockerCmd(c, "create", "--name", name, "-l", "k2=x", "--label", "k3=v3", imageName)
actual := make(map[string]string)
inspectFieldAndMarshall(c, name, "Config.Labels", &actual)
if !reflect.DeepEqual(expected, actual) {
c.Fatalf("Expected %s got %s", expected, actual)
}
}
func (s *DockerSuite) TestCreateHostnameWithNumber(c *check.C) {
image := "busybox"
// Busybox on Windows does not implement hostname command
if daemonPlatform == "windows" {
image = WindowsBaseImage
}
out, _ := dockerCmd(c, "run", "-h", "web.0", image, "hostname")
c.Assert(strings.TrimSpace(out), checker.Equals, "web.0", check.Commentf("hostname not set, expected `web.0`, got: %s", out))
}
func (s *DockerSuite) TestCreateRM(c *check.C) {
// Test to make sure we can 'rm' a new container that is in
// "Created" state, and has ever been run. Test "rm -f" too.
// create a container
out, _ := dockerCmd(c, "create", "busybox")
cID := strings.TrimSpace(out)
dockerCmd(c, "rm", cID)
// Now do it again so we can "rm -f" this time
out, _ = dockerCmd(c, "create", "busybox")
cID = strings.TrimSpace(out)
dockerCmd(c, "rm", "-f", cID)
}
func (s *DockerSuite) TestCreateModeIpcContainer(c *check.C) {
// Uses Linux specific functionality (--ipc)
testRequires(c, DaemonIsLinux, SameHostDaemon)
out, _ := dockerCmd(c, "create", "busybox")
id := strings.TrimSpace(out)
dockerCmd(c, "create", fmt.Sprintf("--ipc=container:%s", id), "busybox")
}
func (s *DockerSuite) TestCreateByImageID(c *check.C) {
imageName := "testcreatebyimageid"
imageID, err := buildImage(imageName,
`FROM busybox
MAINTAINER dockerio`,
true)
if err != nil {
c.Fatal(err)
}
truncatedImageID := stringid.TruncateID(imageID)
dockerCmd(c, "create", imageID)
dockerCmd(c, "create", truncatedImageID)
dockerCmd(c, "create", fmt.Sprintf("%s:%s", imageName, truncatedImageID))
// Ensure this fails
out, exit, _ := dockerCmdWithError("create", fmt.Sprintf("%s:%s", imageName, imageID))
if exit == 0 {
c.Fatalf("expected non-zero exit code; received %d", exit)
}
if expected := "Error parsing reference"; !strings.Contains(out, expected) {
c.Fatalf(`Expected %q in output; got: %s`, expected, out)
}
out, exit, _ = dockerCmdWithError("create", fmt.Sprintf("%s:%s", "wrongimage", truncatedImageID))
if exit == 0 {
c.Fatalf("expected non-zero exit code; received %d", exit)
}
if expected := "Unable to find image"; !strings.Contains(out, expected) {
c.Fatalf(`Expected %q in output; got: %s`, expected, out)
}
}
func (s *DockerTrustSuite) TestTrustedCreate(c *check.C) {
repoName := s.setupTrustedImage(c, "trusted-create")
// Try create
createCmd := exec.Command(dockerBinary, "create", repoName)
s.trustedCmd(createCmd)
out, _, err := runCommandWithOutput(createCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Tagging", check.Commentf("Missing expected output on trusted push:\n%s", out))
dockerCmd(c, "rmi", repoName)
// Try untrusted create to ensure we pushed the tag to the registry
createCmd = exec.Command(dockerBinary, "create", "--disable-content-trust=true", repoName)
s.trustedCmd(createCmd)
out, _, err = runCommandWithOutput(createCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Status: Downloaded", check.Commentf("Missing expected output on trusted create with --disable-content-trust:\n%s", out))
}
func (s *DockerTrustSuite) TestUntrustedCreate(c *check.C) {
repoName := fmt.Sprintf("%v/dockercliuntrusted/createtest", privateRegistryURL)
withTagName := fmt.Sprintf("%s:latest", repoName)
// tag the image and upload it to the private registry
dockerCmd(c, "tag", "busybox", withTagName)
dockerCmd(c, "push", withTagName)
dockerCmd(c, "rmi", withTagName)
// Try trusted create on untrusted tag
createCmd := exec.Command(dockerBinary, "create", withTagName)
s.trustedCmd(createCmd)
out, _, err := runCommandWithOutput(createCmd)
c.Assert(err, check.Not(check.IsNil))
c.Assert(string(out), checker.Contains, fmt.Sprintf("does not have trust data for %s", repoName), check.Commentf("Missing expected output on trusted create:\n%s", out))
}
func (s *DockerTrustSuite) TestTrustedIsolatedCreate(c *check.C) {
repoName := s.setupTrustedImage(c, "trusted-isolated-create")
// Try create
createCmd := exec.Command(dockerBinary, "--config", "/tmp/docker-isolated-create", "create", repoName)
s.trustedCmd(createCmd)
out, _, err := runCommandWithOutput(createCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Tagging", check.Commentf("Missing expected output on trusted push:\n%s", out))
dockerCmd(c, "rmi", repoName)
}
func (s *DockerTrustSuite) TestCreateWhenCertExpired(c *check.C) {
c.Skip("Currently changes system time, causing instability")
repoName := s.setupTrustedImage(c, "trusted-create-expired")
// Certificates have 10 years of expiration
elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)
runAtDifferentDate(elevenYearsFromNow, func() {
// Try create
createCmd := exec.Command(dockerBinary, "create", repoName)
s.trustedCmd(createCmd)
out, _, err := runCommandWithOutput(createCmd)
c.Assert(err, check.Not(check.IsNil))
c.Assert(string(out), checker.Contains, "could not validate the path to a trusted root", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", out))
})
runAtDifferentDate(elevenYearsFromNow, func() {
// Try create
createCmd := exec.Command(dockerBinary, "create", "--disable-content-trust", repoName)
s.trustedCmd(createCmd)
out, _, err := runCommandWithOutput(createCmd)
c.Assert(err, check.Not(check.IsNil))
c.Assert(string(out), checker.Contains, "Status: Downloaded", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", out))
})
}
func (s *DockerTrustSuite) TestTrustedCreateFromBadTrustServer(c *check.C) {
repoName := fmt.Sprintf("%v/dockerclievilcreate/trusted:latest", privateRegistryURL)
evilLocalConfigDir, err := ioutil.TempDir("", "evilcreate-local-config-dir")
c.Assert(err, check.IsNil)
// tag the image and upload it to the private registry
dockerCmd(c, "tag", "busybox", repoName)
pushCmd := exec.Command(dockerBinary, "push", repoName)
s.trustedCmd(pushCmd)
out, _, err := runCommandWithOutput(pushCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Signing and pushing trust metadata", check.Commentf("Missing expected output on trusted push:\n%s", out))
dockerCmd(c, "rmi", repoName)
// Try create
createCmd := exec.Command(dockerBinary, "create", repoName)
s.trustedCmd(createCmd)
out, _, err = runCommandWithOutput(createCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Tagging", check.Commentf("Missing expected output on trusted push:\n%s", out))
dockerCmd(c, "rmi", repoName)
// Kill the notary server, start a new "evil" one.
s.not.Close()
s.not, err = newTestNotary(c)
c.Assert(err, check.IsNil)
// In order to make an evil server, lets re-init a client (with a different trust dir) and push new data.
// tag an image and upload it to the private registry
dockerCmd(c, "--config", evilLocalConfigDir, "tag", "busybox", repoName)
// Push up to the new server
pushCmd = exec.Command(dockerBinary, "--config", evilLocalConfigDir, "push", repoName)
s.trustedCmd(pushCmd)
out, _, err = runCommandWithOutput(pushCmd)
c.Assert(err, check.IsNil)
c.Assert(string(out), checker.Contains, "Signing and pushing trust metadata", check.Commentf("Missing expected output on trusted push:\n%s", out))
// Now, try creating with the original client from this new trust server. This should fail because the new root is invalid.
createCmd = exec.Command(dockerBinary, "create", repoName)
s.trustedCmd(createCmd)
out, _, err = runCommandWithOutput(createCmd)
if err == nil {
c.Fatalf("Continuing with cached data even though it's an invalid root rotation: %s\n%s", err, out)
}
if !strings.Contains(out, "could not rotate trust to a new trusted root") {
c.Fatalf("Missing expected output on trusted create:\n%s", out)
}
}
func (s *DockerSuite) TestCreateStopSignal(c *check.C) {
name := "test_create_stop_signal"
dockerCmd(c, "create", "--name", name, "--stop-signal", "9", "busybox")
res := inspectFieldJSON(c, name, "Config.StopSignal")
c.Assert(res, checker.Contains, "9")
}
func (s *DockerSuite) TestCreateWithWorkdir(c *check.C) {
name := "foo"
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
dir := prefix + slash + "home" + slash + "foo" + slash + "bar"
dockerCmd(c, "create", "--name", name, "-w", dir, "busybox")
// Windows does not create the workdir until the container is started
if daemonPlatform == "windows" {
dockerCmd(c, "start", name)
}
dockerCmd(c, "cp", fmt.Sprintf("%s:%s", name, dir), prefix+slash+"tmp")
}
func (s *DockerSuite) TestCreateWithInvalidLogOpts(c *check.C) {
name := "test-invalidate-log-opts"
out, _, err := dockerCmdWithError("create", "--name", name, "--log-opt", "invalid=true", "busybox")
c.Assert(err, checker.NotNil)
c.Assert(out, checker.Contains, "unknown log opt")
out, _ = dockerCmd(c, "ps", "-a")
c.Assert(out, checker.Not(checker.Contains), name)
}
// #20972
func (s *DockerSuite) TestCreate64ByteHexID(c *check.C) {
out := inspectField(c, "busybox", "Id")
imageID := strings.TrimPrefix(strings.TrimSpace(string(out)), "sha256:")
dockerCmd(c, "create", imageID)
}
// Test case for #23498
func (s *DockerSuite) TestCreateUnsetEntrypoint(c *check.C) {
name := "test-entrypoint"
dockerfile := `FROM busybox
ADD entrypoint.sh /entrypoint.sh
RUN chmod 755 /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
CMD echo foobar`
ctx, err := fakeContext(dockerfile, map[string]string{
"entrypoint.sh": `#!/bin/sh
echo "I am an entrypoint"
exec "$@"`,
})
c.Assert(err, check.IsNil)
defer ctx.Close()
_, err = buildImageFromContext(name, ctx, true)
c.Assert(err, check.IsNil)
out, _ := dockerCmd(c, "create", "--entrypoint=", name, "echo", "foo")
id := strings.TrimSpace(out)
c.Assert(id, check.Not(check.Equals), "")
out, _ = dockerCmd(c, "start", "-a", id)
c.Assert(strings.TrimSpace(out), check.Equals, "foo")
}