moby/integration-cli/docker_api_containers_test.go
Sebastiaan van Stijn 3fca5878d6
integration-cli: remove unnescessary conversions (unconvert)
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 7c40c0a922)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-12-03 16:13:30 +01:00

2242 lines
67 KiB
Go

package main
import (
"archive/tar"
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"regexp"
"runtime"
"strings"
"testing"
"time"
"github.com/docker/docker/api/types"
containertypes "github.com/docker/docker/api/types/container"
mounttypes "github.com/docker/docker/api/types/mount"
networktypes "github.com/docker/docker/api/types/network"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/client"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/integration-cli/cli/build"
"github.com/docker/docker/internal/test/request"
"github.com/docker/docker/pkg/ioutils"
"github.com/docker/docker/pkg/mount"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/volume"
"github.com/docker/go-connections/nat"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
"gotest.tools/poll"
)
func (s *DockerSuite) TestContainerAPIGetAll(c *testing.T) {
startCount := getContainerCount(c)
name := "getall"
dockerCmd(c, "run", "--name", name, "busybox", "true")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
options := types.ContainerListOptions{
All: true,
}
containers, err := cli.ContainerList(context.Background(), options)
assert.NilError(c, err)
assert.Equal(c, len(containers), startCount+1)
actual := containers[0].Names[0]
assert.Equal(c, actual, "/"+name)
}
// regression test for empty json field being omitted #13691
func (s *DockerSuite) TestContainerAPIGetJSONNoFieldsOmitted(c *testing.T) {
startCount := getContainerCount(c)
dockerCmd(c, "run", "busybox", "true")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
options := types.ContainerListOptions{
All: true,
}
containers, err := cli.ContainerList(context.Background(), options)
assert.NilError(c, err)
assert.Equal(c, len(containers), startCount+1)
actual := fmt.Sprintf("%+v", containers[0])
// empty Labels field triggered this bug, make sense to check for everything
// cause even Ports for instance can trigger this bug
// better safe than sorry..
fields := []string{
"ID",
"Names",
"Image",
"Command",
"Created",
"Ports",
"Labels",
"Status",
"NetworkSettings",
}
// decoding into types.Container do not work since it eventually unmarshal
// and empty field to an empty go map, so we just check for a string
for _, f := range fields {
if !strings.Contains(actual, f) {
c.Fatalf("Field %s is missing and it shouldn't", f)
}
}
}
func (s *DockerSuite) TestContainerAPIGetExport(c *testing.T) {
// Not supported on Windows as Windows does not support docker export
testRequires(c, DaemonIsLinux)
name := "exportcontainer"
dockerCmd(c, "run", "--name", name, "busybox", "touch", "/test")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
body, err := cli.ContainerExport(context.Background(), name)
assert.NilError(c, err)
defer body.Close()
found := false
for tarReader := tar.NewReader(body); ; {
h, err := tarReader.Next()
if err != nil && err == io.EOF {
break
}
if h.Name == "test" {
found = true
break
}
}
assert.Assert(c, found, "The created test file has not been found in the exported image")
}
func (s *DockerSuite) TestContainerAPIGetChanges(c *testing.T) {
// Not supported on Windows as Windows does not support docker diff (/containers/name/changes)
testRequires(c, DaemonIsLinux)
name := "changescontainer"
dockerCmd(c, "run", "--name", name, "busybox", "rm", "/etc/passwd")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
changes, err := cli.ContainerDiff(context.Background(), name)
assert.NilError(c, err)
// Check the changelog for removal of /etc/passwd
success := false
for _, elem := range changes {
if elem.Path == "/etc/passwd" && elem.Kind == 2 {
success = true
}
}
assert.Assert(c, success, "/etc/passwd has been removed but is not present in the diff")
}
func (s *DockerSuite) TestGetContainerStats(c *testing.T) {
var (
name = "statscontainer"
)
runSleepingContainer(c, "--name", name)
type b struct {
stats types.ContainerStats
err error
}
bc := make(chan b, 1)
go func() {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
stats, err := cli.ContainerStats(context.Background(), name, true)
assert.NilError(c, err)
bc <- b{stats, err}
}()
// allow some time to stream the stats from the container
time.Sleep(4 * time.Second)
dockerCmd(c, "rm", "-f", name)
// collect the results from the stats stream or timeout and fail
// if the stream was not disconnected.
select {
case <-time.After(2 * time.Second):
c.Fatal("stream was not closed after container was removed")
case sr := <-bc:
dec := json.NewDecoder(sr.stats.Body)
defer sr.stats.Body.Close()
var s *types.Stats
// decode only one object from the stream
assert.NilError(c, dec.Decode(&s))
}
}
func (s *DockerSuite) TestGetContainerStatsRmRunning(c *testing.T) {
out := runSleepingContainer(c)
id := strings.TrimSpace(out)
buf := &ChannelBuffer{C: make(chan []byte, 1)}
defer buf.Close()
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
stats, err := cli.ContainerStats(context.Background(), id, true)
assert.NilError(c, err)
defer stats.Body.Close()
chErr := make(chan error, 1)
go func() {
_, err = io.Copy(buf, stats.Body)
chErr <- err
}()
b := make([]byte, 32)
// make sure we've got some stats
_, err = buf.ReadTimeout(b, 2*time.Second)
assert.NilError(c, err)
// Now remove without `-f` and make sure we are still pulling stats
_, _, err = dockerCmdWithError("rm", id)
assert.Assert(c, err != nil, "rm should have failed but didn't")
_, err = buf.ReadTimeout(b, 2*time.Second)
assert.NilError(c, err)
dockerCmd(c, "rm", "-f", id)
assert.Assert(c, <-chErr == nil)
}
// ChannelBuffer holds a chan of byte array that can be populate in a goroutine.
type ChannelBuffer struct {
C chan []byte
}
// Write implements Writer.
func (c *ChannelBuffer) Write(b []byte) (int, error) {
c.C <- b
return len(b), nil
}
// Close closes the go channel.
func (c *ChannelBuffer) Close() error {
close(c.C)
return nil
}
// ReadTimeout reads the content of the channel in the specified byte array with
// the specified duration as timeout.
func (c *ChannelBuffer) ReadTimeout(p []byte, n time.Duration) (int, error) {
select {
case b := <-c.C:
return copy(p[0:], b), nil
case <-time.After(n):
return -1, fmt.Errorf("timeout reading from channel")
}
}
// regression test for gh13421
// previous test was just checking one stat entry so it didn't fail (stats with
// stream false always return one stat)
func (s *DockerSuite) TestGetContainerStatsStream(c *testing.T) {
name := "statscontainer"
runSleepingContainer(c, "--name", name)
type b struct {
stats types.ContainerStats
err error
}
bc := make(chan b, 1)
go func() {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
stats, err := cli.ContainerStats(context.Background(), name, true)
assert.NilError(c, err)
bc <- b{stats, err}
}()
// allow some time to stream the stats from the container
time.Sleep(4 * time.Second)
dockerCmd(c, "rm", "-f", name)
// collect the results from the stats stream or timeout and fail
// if the stream was not disconnected.
select {
case <-time.After(2 * time.Second):
c.Fatal("stream was not closed after container was removed")
case sr := <-bc:
b, err := ioutil.ReadAll(sr.stats.Body)
defer sr.stats.Body.Close()
assert.NilError(c, err)
s := string(b)
// count occurrences of "read" of types.Stats
if l := strings.Count(s, "read"); l < 2 {
c.Fatalf("Expected more than one stat streamed, got %d", l)
}
}
}
func (s *DockerSuite) TestGetContainerStatsNoStream(c *testing.T) {
name := "statscontainer"
runSleepingContainer(c, "--name", name)
type b struct {
stats types.ContainerStats
err error
}
bc := make(chan b, 1)
go func() {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
stats, err := cli.ContainerStats(context.Background(), name, false)
assert.NilError(c, err)
bc <- b{stats, err}
}()
// allow some time to stream the stats from the container
time.Sleep(4 * time.Second)
dockerCmd(c, "rm", "-f", name)
// collect the results from the stats stream or timeout and fail
// if the stream was not disconnected.
select {
case <-time.After(2 * time.Second):
c.Fatal("stream was not closed after container was removed")
case sr := <-bc:
b, err := ioutil.ReadAll(sr.stats.Body)
defer sr.stats.Body.Close()
assert.NilError(c, err)
s := string(b)
// count occurrences of `"read"` of types.Stats
assert.Assert(c, strings.Count(s, `"read"`) == 1, "Expected only one stat streamed, got %d", strings.Count(s, `"read"`))
}
}
func (s *DockerSuite) TestGetStoppedContainerStats(c *testing.T) {
name := "statscontainer"
dockerCmd(c, "create", "--name", name, "busybox", "ps")
chResp := make(chan error)
// We expect an immediate response, but if it's not immediate, the test would hang, so put it in a goroutine
// below we'll check this on a timeout.
go func() {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
resp, err := cli.ContainerStats(context.Background(), name, false)
defer resp.Body.Close()
chResp <- err
}()
select {
case err := <-chResp:
assert.NilError(c, err)
case <-time.After(10 * time.Second):
c.Fatal("timeout waiting for stats response for stopped container")
}
}
func (s *DockerSuite) TestContainerAPIPause(c *testing.T) {
// Problematic on Windows as Windows does not support pause
testRequires(c, DaemonIsLinux)
getPaused := func(c *testing.T) []string {
return strings.Fields(cli.DockerCmd(c, "ps", "-f", "status=paused", "-q", "-a").Combined())
}
out := cli.DockerCmd(c, "run", "-d", "busybox", "sleep", "30").Combined()
ContainerID := strings.TrimSpace(out)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerPause(context.Background(), ContainerID)
assert.NilError(c, err)
pausedContainers := getPaused(c)
if len(pausedContainers) != 1 || stringid.TruncateID(ContainerID) != pausedContainers[0] {
c.Fatalf("there should be one paused container and not %d", len(pausedContainers))
}
err = cli.ContainerUnpause(context.Background(), ContainerID)
assert.NilError(c, err)
pausedContainers = getPaused(c)
assert.Equal(c, len(pausedContainers), 0, "There should be no paused container.")
}
func (s *DockerSuite) TestContainerAPITop(c *testing.T) {
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "top")
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
// sort by comm[andline] to make sure order stays the same in case of PID rollover
top, err := cli.ContainerTop(context.Background(), id, []string{"aux", "--sort=comm"})
assert.NilError(c, err)
assert.Equal(c, len(top.Titles), 11, fmt.Sprintf("expected 11 titles, found %d: %v", len(top.Titles), top.Titles))
if top.Titles[0] != "USER" || top.Titles[10] != "COMMAND" {
c.Fatalf("expected `USER` at `Titles[0]` and `COMMAND` at Titles[10]: %v", top.Titles)
}
assert.Equal(c, len(top.Processes), 2, fmt.Sprintf("expected 2 processes, found %d: %v", len(top.Processes), top.Processes))
assert.Equal(c, top.Processes[0][10], "/bin/sh -c top")
assert.Equal(c, top.Processes[1][10], "top")
}
func (s *DockerSuite) TestContainerAPITopWindows(c *testing.T) {
testRequires(c, DaemonIsWindows)
out := runSleepingContainer(c, "-d")
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
top, err := cli.ContainerTop(context.Background(), id, nil)
assert.NilError(c, err)
assert.Equal(c, len(top.Titles), 4, "expected 4 titles, found %d: %v", len(top.Titles), top.Titles)
if top.Titles[0] != "Name" || top.Titles[3] != "Private Working Set" {
c.Fatalf("expected `Name` at `Titles[0]` and `Private Working Set` at Titles[3]: %v", top.Titles)
}
assert.Assert(c, len(top.Processes) >= 2, "expected at least 2 processes, found %d: %v", len(top.Processes), top.Processes)
foundProcess := false
expectedProcess := "busybox.exe"
for _, process := range top.Processes {
if process[0] == expectedProcess {
foundProcess = true
break
}
}
assert.Assert(c, foundProcess, "expected to find %s: %v", expectedProcess, top.Processes)
}
func (s *DockerSuite) TestContainerAPICommit(c *testing.T) {
cName := "testapicommit"
dockerCmd(c, "run", "--name="+cName, "busybox", "/bin/sh", "-c", "touch /test")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
options := types.ContainerCommitOptions{
Reference: "testcontainerapicommit:testtag",
}
img, err := cli.ContainerCommit(context.Background(), cName, options)
assert.NilError(c, err)
cmd := inspectField(c, img.ID, "Config.Cmd")
assert.Equal(c, cmd, "[/bin/sh -c touch /test]", fmt.Sprintf("got wrong Cmd from commit: %q", cmd))
// sanity check, make sure the image is what we think it is
dockerCmd(c, "run", img.ID, "ls", "/test")
}
func (s *DockerSuite) TestContainerAPICommitWithLabelInConfig(c *testing.T) {
cName := "testapicommitwithconfig"
dockerCmd(c, "run", "--name="+cName, "busybox", "/bin/sh", "-c", "touch /test")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
config := containertypes.Config{
Labels: map[string]string{"key1": "value1", "key2": "value2"}}
options := types.ContainerCommitOptions{
Reference: "testcontainerapicommitwithconfig",
Config: &config,
}
img, err := cli.ContainerCommit(context.Background(), cName, options)
assert.NilError(c, err)
label1 := inspectFieldMap(c, img.ID, "Config.Labels", "key1")
assert.Equal(c, label1, "value1")
label2 := inspectFieldMap(c, img.ID, "Config.Labels", "key2")
assert.Equal(c, label2, "value2")
cmd := inspectField(c, img.ID, "Config.Cmd")
assert.Equal(c, cmd, "[/bin/sh -c touch /test]", fmt.Sprintf("got wrong Cmd from commit: %q", cmd))
// sanity check, make sure the image is what we think it is
dockerCmd(c, "run", img.ID, "ls", "/test")
}
func (s *DockerSuite) TestContainerAPIBadPort(c *testing.T) {
// TODO Windows to Windows CI - Port this test
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"/bin/sh", "-c", "echo test"},
}
hostConfig := containertypes.HostConfig{
PortBindings: nat.PortMap{
"8080/tcp": []nat.PortBinding{
{
HostIP: "",
HostPort: "aa80"},
},
},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "")
assert.ErrorContains(c, err, `invalid port specification: "aa80"`)
}
func (s *DockerSuite) TestContainerAPICreate(c *testing.T) {
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"/bin/sh", "-c", "touch /test && ls /test"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
out, _ := dockerCmd(c, "start", "-a", container.ID)
assert.Equal(c, strings.TrimSpace(out), "/test")
}
func (s *DockerSuite) TestContainerAPICreateEmptyConfig(c *testing.T) {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &containertypes.Config{}, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
expected := "No command specified"
assert.ErrorContains(c, err, expected)
}
func (s *DockerSuite) TestContainerAPICreateMultipleNetworksConfig(c *testing.T) {
// Container creation must fail if client specified configurations for more than one network
config := containertypes.Config{
Image: "busybox",
}
networkingConfig := networktypes.NetworkingConfig{
EndpointsConfig: map[string]*networktypes.EndpointSettings{
"net1": {},
"net2": {},
"net3": {},
},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networkingConfig, "")
msg := err.Error()
// network name order in error message is not deterministic
assert.Assert(c, strings.Contains(msg, "Container cannot be connected to network endpoints"))
assert.Assert(c, strings.Contains(msg, "net1"))
assert.Assert(c, strings.Contains(msg, "net2"))
assert.Assert(c, strings.Contains(msg, "net3"))
}
func (s *DockerSuite) TestContainerAPICreateBridgeNetworkMode(c *testing.T) {
// Windows does not support bridge
testRequires(c, DaemonIsLinux)
UtilCreateNetworkMode(c, "bridge")
}
func (s *DockerSuite) TestContainerAPICreateOtherNetworkModes(c *testing.T) {
// Windows does not support these network modes
testRequires(c, DaemonIsLinux, NotUserNamespace)
UtilCreateNetworkMode(c, "host")
UtilCreateNetworkMode(c, "container:web1")
}
func UtilCreateNetworkMode(c *testing.T, networkMode containertypes.NetworkMode) {
config := containertypes.Config{
Image: "busybox",
}
hostConfig := containertypes.HostConfig{
NetworkMode: networkMode,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
assert.Equal(c, containerJSON.HostConfig.NetworkMode, networkMode, "Mismatched NetworkMode")
}
func (s *DockerSuite) TestContainerAPICreateWithCpuSharesCpuset(c *testing.T) {
// TODO Windows to Windows CI. The CpuShares part could be ported.
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
}
hostConfig := containertypes.HostConfig{
Resources: containertypes.Resources{
CPUShares: 512,
CpusetCpus: "0",
},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
out := inspectField(c, containerJSON.ID, "HostConfig.CpuShares")
assert.Equal(c, out, "512")
outCpuset := inspectField(c, containerJSON.ID, "HostConfig.CpusetCpus")
assert.Equal(c, outCpuset, "0")
}
func (s *DockerSuite) TestContainerAPIVerifyHeader(c *testing.T) {
config := map[string]interface{}{
"Image": "busybox",
}
create := func(ct string) (*http.Response, io.ReadCloser, error) {
jsonData := bytes.NewBuffer(nil)
assert.Assert(c, json.NewEncoder(jsonData).Encode(config) == nil)
return request.Post("/containers/create", request.RawContent(ioutil.NopCloser(jsonData)), request.ContentType(ct))
}
// Try with no content-type
res, body, err := create("")
assert.NilError(c, err)
// todo: we need to figure out a better way to compare between dockerd versions
// comparing between daemon API version is not precise.
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
body.Close()
// Try with wrong content-type
res, body, err = create("application/xml")
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
body.Close()
// now application/json
res, body, err = create("application/json")
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusCreated)
body.Close()
}
//Issue 14230. daemon should return 500 for invalid port syntax
func (s *DockerSuite) TestContainerAPIInvalidPortSyntax(c *testing.T) {
config := `{
"Image": "busybox",
"HostConfig": {
"NetworkMode": "default",
"PortBindings": {
"19039;1230": [
{}
]
}
}
}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, strings.Contains(string(b[:]), "invalid port"))
}
func (s *DockerSuite) TestContainerAPIRestartPolicyInvalidPolicyName(c *testing.T) {
config := `{
"Image": "busybox",
"HostConfig": {
"RestartPolicy": {
"Name": "something",
"MaximumRetryCount": 0
}
}
}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, strings.Contains(string(b[:]), "invalid restart policy"))
}
func (s *DockerSuite) TestContainerAPIRestartPolicyRetryMismatch(c *testing.T) {
config := `{
"Image": "busybox",
"HostConfig": {
"RestartPolicy": {
"Name": "always",
"MaximumRetryCount": 2
}
}
}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, strings.Contains(string(b[:]), "maximum retry count cannot be used with restart policy"))
}
func (s *DockerSuite) TestContainerAPIRestartPolicyNegativeRetryCount(c *testing.T) {
config := `{
"Image": "busybox",
"HostConfig": {
"RestartPolicy": {
"Name": "on-failure",
"MaximumRetryCount": -2
}
}
}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, strings.Contains(string(b[:]), "maximum retry count cannot be negative"))
}
func (s *DockerSuite) TestContainerAPIRestartPolicyDefaultRetryCount(c *testing.T) {
config := `{
"Image": "busybox",
"HostConfig": {
"RestartPolicy": {
"Name": "on-failure",
"MaximumRetryCount": 0
}
}
}`
res, _, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusCreated)
}
// Issue 7941 - test to make sure a "null" in JSON is just ignored.
// W/o this fix a null in JSON would be parsed into a string var as "null"
func (s *DockerSuite) TestContainerAPIPostCreateNull(c *testing.T) {
config := `{
"Hostname":"",
"Domainname":"",
"Memory":0,
"MemorySwap":0,
"CpuShares":0,
"Cpuset":null,
"AttachStdin":true,
"AttachStdout":true,
"AttachStderr":true,
"ExposedPorts":{},
"Tty":true,
"OpenStdin":true,
"StdinOnce":true,
"Env":[],
"Cmd":"ls",
"Image":"busybox",
"Volumes":{},
"WorkingDir":"",
"Entrypoint":null,
"NetworkDisabled":false,
"OnBuild":null}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusCreated)
b, err := request.ReadBody(body)
assert.NilError(c, err)
type createResp struct {
ID string
}
var container createResp
assert.Assert(c, json.Unmarshal(b, &container) == nil)
out := inspectField(c, container.ID, "HostConfig.CpusetCpus")
assert.Equal(c, out, "")
outMemory := inspectField(c, container.ID, "HostConfig.Memory")
assert.Equal(c, outMemory, "0")
outMemorySwap := inspectField(c, container.ID, "HostConfig.MemorySwap")
assert.Equal(c, outMemorySwap, "0")
}
func (s *DockerSuite) TestCreateWithTooLowMemoryLimit(c *testing.T) {
// TODO Windows: Port once memory is supported
testRequires(c, DaemonIsLinux)
config := `{
"Image": "busybox",
"Cmd": "ls",
"OpenStdin": true,
"CpuShares": 100,
"Memory": 524287
}`
res, body, err := request.Post("/containers/create", request.RawString(config), request.JSON)
assert.NilError(c, err)
b, err2 := request.ReadBody(body)
assert.Assert(c, err2 == nil)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
assert.Assert(c, strings.Contains(string(b), "Minimum memory limit allowed is 4MB"))
}
func (s *DockerSuite) TestContainerAPIRename(c *testing.T) {
out, _ := dockerCmd(c, "run", "--name", "TestContainerAPIRename", "-d", "busybox", "sh")
containerID := strings.TrimSpace(out)
newName := "TestContainerAPIRenameNew"
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRename(context.Background(), containerID, newName)
assert.NilError(c, err)
name := inspectField(c, containerID, "Name")
assert.Equal(c, name, "/"+newName, "Failed to rename container")
}
func (s *DockerSuite) TestContainerAPIKill(c *testing.T) {
name := "test-api-kill"
runSleepingContainer(c, "-i", "--name", name)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerKill(context.Background(), name, "SIGKILL")
assert.NilError(c, err)
state := inspectField(c, name, "State.Running")
assert.Equal(c, state, "false", fmt.Sprintf("got wrong State from container %s: %q", name, state))
}
func (s *DockerSuite) TestContainerAPIRestart(c *testing.T) {
name := "test-api-restart"
runSleepingContainer(c, "-di", "--name", name)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
timeout := 1 * time.Second
err = cli.ContainerRestart(context.Background(), name, &timeout)
assert.NilError(c, err)
assert.Assert(c, waitInspect(name, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second) == nil)
}
func (s *DockerSuite) TestContainerAPIRestartNotimeoutParam(c *testing.T) {
name := "test-api-restart-no-timeout-param"
out := runSleepingContainer(c, "-di", "--name", name)
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRestart(context.Background(), name, nil)
assert.NilError(c, err)
assert.Assert(c, waitInspect(name, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second) == nil)
}
func (s *DockerSuite) TestContainerAPIStart(c *testing.T) {
name := "testing-start"
config := containertypes.Config{
Image: "busybox",
Cmd: append([]string{"/bin/sh", "-c"}, sleepCommandForDaemonPlatform()...),
OpenStdin: true,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, name)
assert.NilError(c, err)
err = cli.ContainerStart(context.Background(), name, types.ContainerStartOptions{})
assert.NilError(c, err)
// second call to start should give 304
// maybe add ContainerStartWithRaw to test it
err = cli.ContainerStart(context.Background(), name, types.ContainerStartOptions{})
assert.NilError(c, err)
// TODO(tibor): figure out why this doesn't work on windows
}
func (s *DockerSuite) TestContainerAPIStop(c *testing.T) {
name := "test-api-stop"
runSleepingContainer(c, "-i", "--name", name)
timeout := 30 * time.Second
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerStop(context.Background(), name, &timeout)
assert.NilError(c, err)
assert.Assert(c, waitInspect(name, "{{ .State.Running }}", "false", 60*time.Second) == nil)
// second call to start should give 304
// maybe add ContainerStartWithRaw to test it
err = cli.ContainerStop(context.Background(), name, &timeout)
assert.NilError(c, err)
}
func (s *DockerSuite) TestContainerAPIWait(c *testing.T) {
name := "test-api-wait"
sleepCmd := "/bin/sleep"
if testEnv.OSType == "windows" {
sleepCmd = "sleep"
}
dockerCmd(c, "run", "--name", name, "busybox", sleepCmd, "2")
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
waitresC, errC := cli.ContainerWait(context.Background(), name, "")
select {
case err = <-errC:
assert.NilError(c, err)
case waitres := <-waitresC:
assert.Equal(c, waitres.StatusCode, int64(0))
}
}
func (s *DockerSuite) TestContainerAPICopyNotExistsAnyMore(c *testing.T) {
name := "test-container-api-copy"
dockerCmd(c, "run", "--name", name, "busybox", "touch", "/test.txt")
postData := types.CopyConfig{
Resource: "/test.txt",
}
// no copy in client/
res, _, err := request.Post("/containers/"+name+"/copy", request.JSONBody(postData))
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusNotFound)
}
func (s *DockerSuite) TestContainerAPICopyPre124(c *testing.T) {
testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
name := "test-container-api-copy"
dockerCmd(c, "run", "--name", name, "busybox", "touch", "/test.txt")
postData := types.CopyConfig{
Resource: "/test.txt",
}
res, body, err := request.Post("/v1.23/containers/"+name+"/copy", request.JSONBody(postData))
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusOK)
found := false
for tarReader := tar.NewReader(body); ; {
h, err := tarReader.Next()
if err != nil {
if err == io.EOF {
break
}
c.Fatal(err)
}
if h.Name == "test.txt" {
found = true
break
}
}
assert.Assert(c, found)
}
func (s *DockerSuite) TestContainerAPICopyResourcePathEmptyPre124(c *testing.T) {
testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
name := "test-container-api-copy-resource-empty"
dockerCmd(c, "run", "--name", name, "busybox", "touch", "/test.txt")
postData := types.CopyConfig{
Resource: "",
}
res, body, err := request.Post("/v1.23/containers/"+name+"/copy", request.JSONBody(postData))
assert.NilError(c, err)
if versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusBadRequest)
} else {
assert.Assert(c, res.StatusCode != http.StatusOK)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, is.Regexp("^Path cannot be empty\n$", string(b)))
}
func (s *DockerSuite) TestContainerAPICopyResourcePathNotFoundPre124(c *testing.T) {
testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
name := "test-container-api-copy-resource-not-found"
dockerCmd(c, "run", "--name", name, "busybox")
postData := types.CopyConfig{
Resource: "/notexist",
}
res, body, err := request.Post("/v1.23/containers/"+name+"/copy", request.JSONBody(postData))
assert.NilError(c, err)
if versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
assert.Equal(c, res.StatusCode, http.StatusInternalServerError)
} else {
assert.Equal(c, res.StatusCode, http.StatusNotFound)
}
b, err := request.ReadBody(body)
assert.NilError(c, err)
assert.Assert(c, is.Regexp("^Could not find the file /notexist in container "+name+"\n$", string(b)))
}
func (s *DockerSuite) TestContainerAPICopyContainerNotFoundPr124(c *testing.T) {
testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later
postData := types.CopyConfig{
Resource: "/something",
}
res, _, err := request.Post("/v1.23/containers/notexists/copy", request.JSONBody(postData))
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusNotFound)
}
func (s *DockerSuite) TestContainerAPIDelete(c *testing.T) {
out := runSleepingContainer(c)
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
dockerCmd(c, "stop", id)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), id, types.ContainerRemoveOptions{})
assert.NilError(c, err)
}
func (s *DockerSuite) TestContainerAPIDeleteNotExist(c *testing.T) {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), "doesnotexist", types.ContainerRemoveOptions{})
assert.ErrorContains(c, err, "No such container: doesnotexist")
}
func (s *DockerSuite) TestContainerAPIDeleteForce(c *testing.T) {
out := runSleepingContainer(c)
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
removeOptions := types.ContainerRemoveOptions{
Force: true,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), id, removeOptions)
assert.NilError(c, err)
}
func (s *DockerSuite) TestContainerAPIDeleteRemoveLinks(c *testing.T) {
// Windows does not support links
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "--name", "tlink1", "busybox", "top")
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
out, _ = dockerCmd(c, "run", "--link", "tlink1:tlink1", "--name", "tlink2", "-d", "busybox", "top")
id2 := strings.TrimSpace(out)
assert.Assert(c, waitRun(id2) == nil)
links := inspectFieldJSON(c, id2, "HostConfig.Links")
assert.Equal(c, links, "[\"/tlink1:/tlink2/tlink1\"]", "expected to have links between containers")
removeOptions := types.ContainerRemoveOptions{
RemoveLinks: true,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), "tlink2/tlink1", removeOptions)
assert.NilError(c, err)
linksPostRm := inspectFieldJSON(c, id2, "HostConfig.Links")
assert.Equal(c, linksPostRm, "null", "call to api deleteContainer links should have removed the specified links")
}
func (s *DockerSuite) TestContainerAPIDeleteConflict(c *testing.T) {
out := runSleepingContainer(c)
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), id, types.ContainerRemoveOptions{})
expected := "cannot remove a running container"
assert.ErrorContains(c, err, expected)
}
func (s *DockerSuite) TestContainerAPIDeleteRemoveVolume(c *testing.T) {
testRequires(c, testEnv.IsLocalDaemon)
vol := "/testvolume"
if testEnv.OSType == "windows" {
vol = `c:\testvolume`
}
out := runSleepingContainer(c, "-v", vol)
id := strings.TrimSpace(out)
assert.NilError(c, waitRun(id))
source, err := inspectMountSourceField(id, vol)
assert.NilError(c, err)
_, err = os.Stat(source)
assert.NilError(c, err)
removeOptions := types.ContainerRemoveOptions{
Force: true,
RemoveVolumes: true,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), id, removeOptions)
assert.NilError(c, err)
_, err = os.Stat(source)
assert.Assert(c, os.IsNotExist(err), "expected to get ErrNotExist error, got %v", err)
}
// Regression test for https://github.com/docker/docker/issues/6231
func (s *DockerSuite) TestContainerAPIChunkedEncoding(c *testing.T) {
config := map[string]interface{}{
"Image": "busybox",
"Cmd": append([]string{"/bin/sh", "-c"}, sleepCommandForDaemonPlatform()...),
"OpenStdin": true,
}
resp, _, err := request.Post("/containers/create", request.JSONBody(config), request.With(func(req *http.Request) error {
// This is a cheat to make the http request do chunked encoding
// Otherwise (just setting the Content-Encoding to chunked) net/http will overwrite
// https://golang.org/src/pkg/net/http/request.go?s=11980:12172
req.ContentLength = -1
return nil
}))
assert.Assert(c, err == nil, "error creating container with chunked encoding")
defer resp.Body.Close()
assert.Equal(c, resp.StatusCode, http.StatusCreated)
}
func (s *DockerSuite) TestContainerAPIPostContainerStop(c *testing.T) {
out := runSleepingContainer(c)
containerID := strings.TrimSpace(out)
assert.Assert(c, waitRun(containerID) == nil)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerStop(context.Background(), containerID, nil)
assert.NilError(c, err)
assert.Assert(c, waitInspect(containerID, "{{ .State.Running }}", "false", 60*time.Second) == nil)
}
// #14170
func (s *DockerSuite) TestPostContainerAPICreateWithStringOrSliceEntrypoint(c *testing.T) {
config := containertypes.Config{
Image: "busybox",
Entrypoint: []string{"echo"},
Cmd: []string{"hello", "world"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "echotest")
assert.NilError(c, err)
out, _ := dockerCmd(c, "start", "-a", "echotest")
assert.Equal(c, strings.TrimSpace(out), "hello world")
config2 := struct {
Image string
Entrypoint string
Cmd []string
}{"busybox", "echo", []string{"hello", "world"}}
_, _, err = request.Post("/containers/create?name=echotest2", request.JSONBody(config2))
assert.NilError(c, err)
out, _ = dockerCmd(c, "start", "-a", "echotest2")
assert.Equal(c, strings.TrimSpace(out), "hello world")
}
// #14170
func (s *DockerSuite) TestPostContainersCreateWithStringOrSliceCmd(c *testing.T) {
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"echo", "hello", "world"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "echotest")
assert.NilError(c, err)
out, _ := dockerCmd(c, "start", "-a", "echotest")
assert.Equal(c, strings.TrimSpace(out), "hello world")
config2 := struct {
Image string
Entrypoint string
Cmd string
}{"busybox", "echo", "hello world"}
_, _, err = request.Post("/containers/create?name=echotest2", request.JSONBody(config2))
assert.NilError(c, err)
out, _ = dockerCmd(c, "start", "-a", "echotest2")
assert.Equal(c, strings.TrimSpace(out), "hello world")
}
// regression #14318
// for backward compatibility testing with and without CAP_ prefix
// and with upper and lowercase
func (s *DockerSuite) TestPostContainersCreateWithStringOrSliceCapAddDrop(c *testing.T) {
// Windows doesn't support CapAdd/CapDrop
testRequires(c, DaemonIsLinux)
config := struct {
Image string
CapAdd string
CapDrop string
}{"busybox", "NET_ADMIN", "cap_sys_admin"}
res, _, err := request.Post("/containers/create?name=capaddtest0", request.JSONBody(config))
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusCreated)
config2 := containertypes.Config{
Image: "busybox",
}
hostConfig := containertypes.HostConfig{
CapAdd: []string{"net_admin", "SYS_ADMIN"},
CapDrop: []string{"SETGID", "CAP_SETPCAP"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config2, &hostConfig, &networktypes.NetworkingConfig{}, "capaddtest1")
assert.NilError(c, err)
}
// #14915
func (s *DockerSuite) TestContainerAPICreateNoHostConfig118(c *testing.T) {
testRequires(c, DaemonIsLinux) // Windows only support 1.25 or later
config := containertypes.Config{
Image: "busybox",
}
cli, err := client.NewClientWithOpts(client.FromEnv, client.WithVersion("v1.18"))
assert.NilError(c, err)
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
}
// Ensure an error occurs when you have a container read-only rootfs but you
// extract an archive to a symlink in a writable volume which points to a
// directory outside of the volume.
func (s *DockerSuite) TestPutContainerArchiveErrSymlinkInVolumeToReadOnlyRootfs(c *testing.T) {
// Windows does not support read-only rootfs
// Requires local volume mount bind.
// --read-only + userns has remount issues
testRequires(c, testEnv.IsLocalDaemon, NotUserNamespace, DaemonIsLinux)
testVol := getTestDir(c, "test-put-container-archive-err-symlink-in-volume-to-read-only-rootfs-")
defer os.RemoveAll(testVol)
makeTestContentInDir(c, testVol)
cID := makeTestContainer(c, testContainerOptions{
readOnly: true,
volumes: defaultVolumes(testVol), // Our bind mount is at /vol2
})
// Attempt to extract to a symlink in the volume which points to a
// directory outside the volume. This should cause an error because the
// rootfs is read-only.
cli, err := client.NewClientWithOpts(client.FromEnv, client.WithVersion("v1.20"))
assert.NilError(c, err)
err = cli.CopyToContainer(context.Background(), cID, "/vol2/symlinkToAbsDir", nil, types.CopyToContainerOptions{})
assert.ErrorContains(c, err, "container rootfs is marked read-only")
}
func (s *DockerSuite) TestPostContainersCreateWithWrongCpusetValues(c *testing.T) {
// Not supported on Windows
testRequires(c, DaemonIsLinux)
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
config := containertypes.Config{
Image: "busybox",
}
hostConfig1 := containertypes.HostConfig{
Resources: containertypes.Resources{
CpusetCpus: "1-42,,",
},
}
name := "wrong-cpuset-cpus"
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig1, &networktypes.NetworkingConfig{}, name)
expected := "Invalid value 1-42,, for cpuset cpus"
assert.ErrorContains(c, err, expected)
hostConfig2 := containertypes.HostConfig{
Resources: containertypes.Resources{
CpusetMems: "42-3,1--",
},
}
name = "wrong-cpuset-mems"
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig2, &networktypes.NetworkingConfig{}, name)
expected = "Invalid value 42-3,1-- for cpuset mems"
assert.ErrorContains(c, err, expected)
}
func (s *DockerSuite) TestPostContainersCreateShmSizeNegative(c *testing.T) {
// ShmSize is not supported on Windows
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
}
hostConfig := containertypes.HostConfig{
ShmSize: -1,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "")
assert.ErrorContains(c, err, "SHM size can not be less than 0")
}
func (s *DockerSuite) TestPostContainersCreateShmSizeHostConfigOmitted(c *testing.T) {
// ShmSize is not supported on Windows
testRequires(c, DaemonIsLinux)
var defaultSHMSize int64 = 67108864
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"mount"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
assert.Equal(c, containerJSON.HostConfig.ShmSize, defaultSHMSize)
out, _ := dockerCmd(c, "start", "-i", containerJSON.ID)
shmRegexp := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`)
if !shmRegexp.MatchString(out) {
c.Fatalf("Expected shm of 64MB in mount command, got %v", out)
}
}
func (s *DockerSuite) TestPostContainersCreateShmSizeOmitted(c *testing.T) {
// ShmSize is not supported on Windows
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"mount"},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
assert.Equal(c, containerJSON.HostConfig.ShmSize, int64(67108864))
out, _ := dockerCmd(c, "start", "-i", containerJSON.ID)
shmRegexp := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`)
if !shmRegexp.MatchString(out) {
c.Fatalf("Expected shm of 64MB in mount command, got %v", out)
}
}
func (s *DockerSuite) TestPostContainersCreateWithShmSize(c *testing.T) {
// ShmSize is not supported on Windows
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"mount"},
}
hostConfig := containertypes.HostConfig{
ShmSize: 1073741824,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
assert.Equal(c, containerJSON.HostConfig.ShmSize, int64(1073741824))
out, _ := dockerCmd(c, "start", "-i", containerJSON.ID)
shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=1048576k`)
if !shmRegex.MatchString(out) {
c.Fatalf("Expected shm of 1GB in mount command, got %v", out)
}
}
func (s *DockerSuite) TestPostContainersCreateMemorySwappinessHostConfigOmitted(c *testing.T) {
// Swappiness is not supported on Windows
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
container, err := cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, "")
assert.NilError(c, err)
containerJSON, err := cli.ContainerInspect(context.Background(), container.ID)
assert.NilError(c, err)
if versions.LessThan(testEnv.DaemonAPIVersion(), "1.31") {
assert.Equal(c, *containerJSON.HostConfig.MemorySwappiness, int64(-1))
} else {
assert.Assert(c, containerJSON.HostConfig.MemorySwappiness == nil)
}
}
// check validation is done daemon side and not only in cli
func (s *DockerSuite) TestPostContainersCreateWithOomScoreAdjInvalidRange(c *testing.T) {
// OomScoreAdj is not supported on Windows
testRequires(c, DaemonIsLinux)
config := containertypes.Config{
Image: "busybox",
}
hostConfig := containertypes.HostConfig{
OomScoreAdj: 1001,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
name := "oomscoreadj-over"
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, name)
expected := "Invalid value 1001, range for oom score adj is [-1000, 1000]"
assert.ErrorContains(c, err, expected)
hostConfig = containertypes.HostConfig{
OomScoreAdj: -1001,
}
name = "oomscoreadj-low"
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, name)
expected = "Invalid value -1001, range for oom score adj is [-1000, 1000]"
assert.ErrorContains(c, err, expected)
}
// test case for #22210 where an empty container name caused panic.
func (s *DockerSuite) TestContainerAPIDeleteWithEmptyName(c *testing.T) {
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
err = cli.ContainerRemove(context.Background(), "", types.ContainerRemoveOptions{})
assert.ErrorContains(c, err, "No such container")
}
func (s *DockerSuite) TestContainerAPIStatsWithNetworkDisabled(c *testing.T) {
// Problematic on Windows as Windows does not support stats
testRequires(c, DaemonIsLinux)
name := "testing-network-disabled"
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"top"},
NetworkDisabled: true,
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &containertypes.HostConfig{}, &networktypes.NetworkingConfig{}, name)
assert.NilError(c, err)
err = cli.ContainerStart(context.Background(), name, types.ContainerStartOptions{})
assert.NilError(c, err)
assert.Assert(c, waitRun(name) == nil)
type b struct {
stats types.ContainerStats
err error
}
bc := make(chan b, 1)
go func() {
stats, err := cli.ContainerStats(context.Background(), name, false)
bc <- b{stats, err}
}()
// allow some time to stream the stats from the container
time.Sleep(4 * time.Second)
dockerCmd(c, "rm", "-f", name)
// collect the results from the stats stream or timeout and fail
// if the stream was not disconnected.
select {
case <-time.After(2 * time.Second):
c.Fatal("stream was not closed after container was removed")
case sr := <-bc:
assert.Assert(c, sr.err == nil)
sr.stats.Body.Close()
}
}
func (s *DockerSuite) TestContainersAPICreateMountsValidation(c *testing.T) {
type testCase struct {
config containertypes.Config
hostConfig containertypes.HostConfig
msg string
}
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
destPath := prefix + slash + "foo"
notExistPath := prefix + slash + "notexist"
cases := []testCase{
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "notreal",
Target: destPath,
},
},
},
msg: "mount type unknown",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "bind"}}},
msg: "Target must not be empty",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "bind",
Target: destPath}}},
msg: "Source must not be empty",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "bind",
Source: notExistPath,
Target: destPath}}},
msg: "source path does not exist",
// FIXME(vdemeester) fails into e2e, migrate to integration/container anyway
// msg: "source path does not exist: " + notExistPath,
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "volume"}}},
msg: "Target must not be empty",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "volume",
Source: "hello",
Target: destPath}}},
msg: "",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "volume",
Source: "hello2",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local"}}}}},
msg: "",
},
}
if testEnv.IsLocalDaemon() {
tmpDir, err := ioutils.TempDir("", "test-mounts-api")
assert.NilError(c, err)
defer os.RemoveAll(tmpDir)
cases = append(cases, []testCase{
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "bind",
Source: tmpDir,
Target: destPath}}},
msg: "",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "bind",
Source: tmpDir,
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{}}}},
msg: "VolumeOptions must not be specified",
},
}...)
}
if DaemonIsWindows() {
cases = append(cases, []testCase{
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{
Type: "volume",
Source: "not-supported-on-windows",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local",
Options: map[string]string{"type": "tmpfs"},
},
},
},
},
},
msg: `options are not supported on this platform`,
},
}...)
}
if DaemonIsLinux() {
cases = append(cases, []testCase{
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{
Type: "volume",
Source: "missing-device-opt",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local",
Options: map[string]string{"foobar": "foobaz"},
},
},
},
},
},
msg: `invalid option: "foobar"`,
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{
Type: "volume",
Source: "missing-device-opt",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local",
Options: map[string]string{"type": "tmpfs"},
},
},
},
},
},
msg: `missing required option: "device"`,
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{
Type: "volume",
Source: "missing-type-opt",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local",
Options: map[string]string{"device": "tmpfs"},
},
},
},
},
},
msg: `missing required option: "type"`,
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{
Type: "volume",
Source: "hello4",
Target: destPath,
VolumeOptions: &mounttypes.VolumeOptions{
DriverConfig: &mounttypes.Driver{
Name: "local",
Options: map[string]string{"o": "size=1", "type": "tmpfs", "device": "tmpfs"},
},
},
},
},
},
msg: "",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "tmpfs",
Target: destPath}}},
msg: "",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "tmpfs",
Target: destPath,
TmpfsOptions: &mounttypes.TmpfsOptions{
SizeBytes: 4096 * 1024,
Mode: 0700,
}}}},
msg: "",
},
{
config: containertypes.Config{
Image: "busybox",
},
hostConfig: containertypes.HostConfig{
Mounts: []mounttypes.Mount{{
Type: "tmpfs",
Source: "/shouldnotbespecified",
Target: destPath}}},
msg: "Source must not be specified",
},
}...)
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
// TODO add checks for statuscode returned by API
for i, x := range cases {
c.Logf("case %d", i)
_, err = cli.ContainerCreate(context.Background(), &x.config, &x.hostConfig, &networktypes.NetworkingConfig{}, "")
if len(x.msg) > 0 {
assert.ErrorContains(c, err, x.msg, "%v", cases[i].config)
} else {
assert.NilError(c, err)
}
}
}
func (s *DockerSuite) TestContainerAPICreateMountsBindRead(c *testing.T) {
testRequires(c, NotUserNamespace, testEnv.IsLocalDaemon)
// also with data in the host side
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
destPath := prefix + slash + "foo"
tmpDir, err := ioutil.TempDir("", "test-mounts-api-bind")
assert.NilError(c, err)
defer os.RemoveAll(tmpDir)
err = ioutil.WriteFile(filepath.Join(tmpDir, "bar"), []byte("hello"), 666)
assert.NilError(c, err)
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"/bin/sh", "-c", "cat /foo/bar"},
}
hostConfig := containertypes.HostConfig{
Mounts: []mounttypes.Mount{
{Type: "bind", Source: tmpDir, Target: destPath},
},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, "test")
assert.NilError(c, err)
out, _ := dockerCmd(c, "start", "-a", "test")
assert.Equal(c, out, "hello")
}
// Test Mounts comes out as expected for the MountPoint
func (s *DockerSuite) TestContainersAPICreateMountsCreate(c *testing.T) {
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
destPath := prefix + slash + "foo"
var (
testImg string
)
if testEnv.OSType != "windows" {
testImg = "test-mount-config"
buildImageSuccessfully(c, testImg, build.WithDockerfile(`
FROM busybox
RUN mkdir `+destPath+` && touch `+destPath+slash+`bar
CMD cat `+destPath+slash+`bar
`))
} else {
testImg = "busybox"
}
type testCase struct {
spec mounttypes.Mount
expected types.MountPoint
}
var selinuxSharedLabel string
// this test label was added after a bug fix in 1.32, thus add requirements min API >= 1.32
// for the sake of making test pass in earlier versions
// bug fixed in https://github.com/moby/moby/pull/34684
if !versions.LessThan(testEnv.DaemonAPIVersion(), "1.32") {
if runtime.GOOS == "linux" {
selinuxSharedLabel = "z"
}
}
cases := []testCase{
// use literal strings here for `Type` instead of the defined constants in the volume package to keep this honest
// Validation of the actual `Mount` struct is done in another test is not needed here
{
spec: mounttypes.Mount{Type: "volume", Target: destPath},
expected: types.MountPoint{Driver: volume.DefaultDriverName, Type: "volume", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath + slash},
expected: types.MountPoint{Driver: volume.DefaultDriverName, Type: "volume", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, Source: "test1"},
expected: types.MountPoint{Type: "volume", Name: "test1", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, ReadOnly: true, Source: "test2"},
expected: types.MountPoint{Type: "volume", Name: "test2", RW: false, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, Source: "test3", VolumeOptions: &mounttypes.VolumeOptions{DriverConfig: &mounttypes.Driver{Name: volume.DefaultDriverName}}},
expected: types.MountPoint{Driver: volume.DefaultDriverName, Type: "volume", Name: "test3", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
}
if testEnv.IsLocalDaemon() {
// setup temp dir for testing binds
tmpDir1, err := ioutil.TempDir("", "test-mounts-api-1")
assert.NilError(c, err)
defer os.RemoveAll(tmpDir1)
cases = append(cases, []testCase{
{
spec: mounttypes.Mount{
Type: "bind",
Source: tmpDir1,
Target: destPath,
},
expected: types.MountPoint{
Type: "bind",
RW: true,
Destination: destPath,
Source: tmpDir1,
},
},
{
spec: mounttypes.Mount{Type: "bind", Source: tmpDir1, Target: destPath, ReadOnly: true},
expected: types.MountPoint{Type: "bind", RW: false, Destination: destPath, Source: tmpDir1},
},
}...)
// for modes only supported on Linux
if DaemonIsLinux() {
tmpDir3, err := ioutils.TempDir("", "test-mounts-api-3")
assert.NilError(c, err)
defer os.RemoveAll(tmpDir3)
assert.Assert(c, mount.Mount(tmpDir3, tmpDir3, "none", "bind,shared") == nil)
cases = append(cases, []testCase{
{
spec: mounttypes.Mount{Type: "bind", Source: tmpDir3, Target: destPath},
expected: types.MountPoint{Type: "bind", RW: true, Destination: destPath, Source: tmpDir3},
},
{
spec: mounttypes.Mount{Type: "bind", Source: tmpDir3, Target: destPath, ReadOnly: true},
expected: types.MountPoint{Type: "bind", RW: false, Destination: destPath, Source: tmpDir3},
},
{
spec: mounttypes.Mount{Type: "bind", Source: tmpDir3, Target: destPath, ReadOnly: true, BindOptions: &mounttypes.BindOptions{Propagation: "shared"}},
expected: types.MountPoint{Type: "bind", RW: false, Destination: destPath, Source: tmpDir3, Propagation: "shared"},
},
}...)
}
}
if testEnv.OSType != "windows" { // Windows does not support volume populate
cases = append(cases, []testCase{
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, VolumeOptions: &mounttypes.VolumeOptions{NoCopy: true}},
expected: types.MountPoint{Driver: volume.DefaultDriverName, Type: "volume", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath + slash, VolumeOptions: &mounttypes.VolumeOptions{NoCopy: true}},
expected: types.MountPoint{Driver: volume.DefaultDriverName, Type: "volume", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, Source: "test4", VolumeOptions: &mounttypes.VolumeOptions{NoCopy: true}},
expected: types.MountPoint{Type: "volume", Name: "test4", RW: true, Destination: destPath, Mode: selinuxSharedLabel},
},
{
spec: mounttypes.Mount{Type: "volume", Target: destPath, Source: "test5", ReadOnly: true, VolumeOptions: &mounttypes.VolumeOptions{NoCopy: true}},
expected: types.MountPoint{Type: "volume", Name: "test5", RW: false, Destination: destPath, Mode: selinuxSharedLabel},
},
}...)
}
type wrapper struct {
containertypes.Config
HostConfig containertypes.HostConfig
}
type createResp struct {
ID string `json:"Id"`
}
ctx := context.Background()
apiclient := testEnv.APIClient()
for i, x := range cases {
c.Logf("case %d - config: %v", i, x.spec)
container, err := apiclient.ContainerCreate(
ctx,
&containertypes.Config{Image: testImg},
&containertypes.HostConfig{Mounts: []mounttypes.Mount{x.spec}},
&networktypes.NetworkingConfig{},
"")
assert.NilError(c, err)
containerInspect, err := apiclient.ContainerInspect(ctx, container.ID)
assert.NilError(c, err)
mps := containerInspect.Mounts
assert.Assert(c, is.Len(mps, 1))
mountPoint := mps[0]
if x.expected.Source != "" {
assert.Check(c, is.Equal(x.expected.Source, mountPoint.Source))
}
if x.expected.Name != "" {
assert.Check(c, is.Equal(x.expected.Name, mountPoint.Name))
}
if x.expected.Driver != "" {
assert.Check(c, is.Equal(x.expected.Driver, mountPoint.Driver))
}
if x.expected.Propagation != "" {
assert.Check(c, is.Equal(x.expected.Propagation, mountPoint.Propagation))
}
assert.Check(c, is.Equal(x.expected.RW, mountPoint.RW))
assert.Check(c, is.Equal(x.expected.Type, mountPoint.Type))
assert.Check(c, is.Equal(x.expected.Mode, mountPoint.Mode))
assert.Check(c, is.Equal(x.expected.Destination, mountPoint.Destination))
err = apiclient.ContainerStart(ctx, container.ID, types.ContainerStartOptions{})
assert.NilError(c, err)
poll.WaitOn(c, containerExit(apiclient, container.ID), poll.WithDelay(time.Second))
err = apiclient.ContainerRemove(ctx, container.ID, types.ContainerRemoveOptions{
RemoveVolumes: true,
Force: true,
})
assert.NilError(c, err)
switch {
// Named volumes still exist after the container is removed
case x.spec.Type == "volume" && len(x.spec.Source) > 0:
_, err := apiclient.VolumeInspect(ctx, mountPoint.Name)
assert.NilError(c, err)
// Bind mounts are never removed with the container
case x.spec.Type == "bind":
// anonymous volumes are removed
default:
_, err := apiclient.VolumeInspect(ctx, mountPoint.Name)
assert.Check(c, client.IsErrNotFound(err))
}
}
}
func containerExit(apiclient client.APIClient, name string) func(poll.LogT) poll.Result {
return func(logT poll.LogT) poll.Result {
container, err := apiclient.ContainerInspect(context.Background(), name)
if err != nil {
return poll.Error(err)
}
switch container.State.Status {
case "created", "running":
return poll.Continue("container %s is %s, waiting for exit", name, container.State.Status)
}
return poll.Success()
}
}
func (s *DockerSuite) TestContainersAPICreateMountsTmpfs(c *testing.T) {
testRequires(c, DaemonIsLinux)
type testCase struct {
cfg mounttypes.Mount
expectedOptions []string
}
target := "/foo"
cases := []testCase{
{
cfg: mounttypes.Mount{
Type: "tmpfs",
Target: target},
expectedOptions: []string{"rw", "nosuid", "nodev", "noexec", "relatime"},
},
{
cfg: mounttypes.Mount{
Type: "tmpfs",
Target: target,
TmpfsOptions: &mounttypes.TmpfsOptions{
SizeBytes: 4096 * 1024, Mode: 0700}},
expectedOptions: []string{"rw", "nosuid", "nodev", "noexec", "relatime", "size=4096k", "mode=700"},
},
}
cli, err := client.NewClientWithOpts(client.FromEnv)
assert.NilError(c, err)
defer cli.Close()
config := containertypes.Config{
Image: "busybox",
Cmd: []string{"/bin/sh", "-c", fmt.Sprintf("mount | grep 'tmpfs on %s'", target)},
}
for i, x := range cases {
cName := fmt.Sprintf("test-tmpfs-%d", i)
hostConfig := containertypes.HostConfig{
Mounts: []mounttypes.Mount{x.cfg},
}
_, err = cli.ContainerCreate(context.Background(), &config, &hostConfig, &networktypes.NetworkingConfig{}, cName)
assert.NilError(c, err)
out, _ := dockerCmd(c, "start", "-a", cName)
for _, option := range x.expectedOptions {
assert.Assert(c, strings.Contains(out, option))
}
}
}
// Regression test for #33334
// Makes sure that when a container which has a custom stop signal + restart=always
// gets killed (with SIGKILL) by the kill API, that the restart policy is cancelled.
func (s *DockerSuite) TestContainerKillCustomStopSignal(c *testing.T) {
id := strings.TrimSpace(runSleepingContainer(c, "--stop-signal=SIGTERM", "--restart=always"))
res, _, err := request.Post("/containers/" + id + "/kill")
assert.NilError(c, err)
defer res.Body.Close()
b, err := ioutil.ReadAll(res.Body)
assert.NilError(c, err)
assert.Equal(c, res.StatusCode, http.StatusNoContent, string(b))
err = waitInspect(id, "{{.State.Running}} {{.State.Restarting}}", "false false", 30*time.Second)
assert.NilError(c, err)
}