mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
d9f5f1954c
Fixes a race when starting a container when there is an error, the stdio streams are not always written. Signed-off-by: Brian Goff <cpuguy83@gmail.com>
625 lines
17 KiB
Go
625 lines
17 KiB
Go
// +build !test_no_exec
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"reflect"
|
|
"sort"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/docker/docker/pkg/integration/checker"
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
func (s *DockerSuite) TestExec(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "sh", "-c", "echo test > /tmp/file && top")
|
|
|
|
out, _ := dockerCmd(c, "exec", "testing", "cat", "/tmp/file")
|
|
out = strings.Trim(out, "\r\n")
|
|
if out != "test" {
|
|
c.Errorf("container exec should've printed test but printed %q", out)
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecInteractive(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "sh", "-c", "echo test > /tmp/file && top")
|
|
|
|
execCmd := exec.Command(dockerBinary, "exec", "-i", "testing", "sh")
|
|
stdin, err := execCmd.StdinPipe()
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
stdout, err := execCmd.StdoutPipe()
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
if err := execCmd.Start(); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if _, err := stdin.Write([]byte("cat /tmp/file\n")); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
r := bufio.NewReader(stdout)
|
|
line, err := r.ReadString('\n')
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
line = strings.TrimSpace(line)
|
|
if line != "test" {
|
|
c.Fatalf("Output should be 'test', got '%q'", line)
|
|
}
|
|
if err := stdin.Close(); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
errChan := make(chan error)
|
|
go func() {
|
|
errChan <- execCmd.Wait()
|
|
close(errChan)
|
|
}()
|
|
select {
|
|
case err := <-errChan:
|
|
c.Assert(err, check.IsNil)
|
|
case <-time.After(1 * time.Second):
|
|
c.Fatal("docker exec failed to exit on stdin close")
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecAfterContainerRestart(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
dockerCmd(c, "restart", cleanedContainerID)
|
|
|
|
out, _ = dockerCmd(c, "exec", cleanedContainerID, "echo", "hello")
|
|
outStr := strings.TrimSpace(out)
|
|
if outStr != "hello" {
|
|
c.Errorf("container should've printed hello, instead printed %q", outStr)
|
|
}
|
|
}
|
|
|
|
func (s *DockerDaemonSuite) TestExecAfterDaemonRestart(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
if err := s.d.StartWithBusybox(); err != nil {
|
|
c.Fatalf("Could not start daemon with busybox: %v", err)
|
|
}
|
|
|
|
if out, err := s.d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil {
|
|
c.Fatalf("Could not run top: err=%v\n%s", err, out)
|
|
}
|
|
|
|
if err := s.d.Restart(); err != nil {
|
|
c.Fatalf("Could not restart daemon: %v", err)
|
|
}
|
|
|
|
if out, err := s.d.Cmd("start", "top"); err != nil {
|
|
c.Fatalf("Could not start top after daemon restart: err=%v\n%s", err, out)
|
|
}
|
|
|
|
out, err := s.d.Cmd("exec", "top", "echo", "hello")
|
|
if err != nil {
|
|
c.Fatalf("Could not exec on container top: err=%v\n%s", err, out)
|
|
}
|
|
|
|
outStr := strings.TrimSpace(string(out))
|
|
if outStr != "hello" {
|
|
c.Errorf("container should've printed hello, instead printed %q", outStr)
|
|
}
|
|
}
|
|
|
|
// Regression test for #9155, #9044
|
|
func (s *DockerSuite) TestExecEnv(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-e", "LALA=value1", "-e", "LALA=value2",
|
|
"-d", "--name", "testing", "busybox", "top")
|
|
|
|
out, _ := dockerCmd(c, "exec", "testing", "env")
|
|
if strings.Contains(out, "LALA=value1") ||
|
|
!strings.Contains(out, "LALA=value2") ||
|
|
!strings.Contains(out, "HOME=/root") {
|
|
c.Errorf("exec env(%q), expect %q, %q", out, "LALA=value2", "HOME=/root")
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecExitStatus(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "top", "busybox", "top")
|
|
|
|
// Test normal (non-detached) case first
|
|
cmd := exec.Command(dockerBinary, "exec", "top", "sh", "-c", "exit 23")
|
|
ec, _ := runCommand(cmd)
|
|
if ec != 23 {
|
|
c.Fatalf("Should have had an ExitCode of 23, not: %d", ec)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecPausedContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
defer unpauseAllContainers()
|
|
|
|
out, _ := dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "top")
|
|
ContainerID := strings.TrimSpace(out)
|
|
|
|
dockerCmd(c, "pause", "testing")
|
|
out, _, err := dockerCmdWithError("exec", "-i", "-t", ContainerID, "echo", "hello")
|
|
if err == nil {
|
|
c.Fatal("container should fail to exec new command if it is paused")
|
|
}
|
|
|
|
expected := ContainerID + " is paused, unpause the container before exec"
|
|
if !strings.Contains(out, expected) {
|
|
c.Fatal("container should not exec new command if it is paused")
|
|
}
|
|
}
|
|
|
|
// regression test for #9476
|
|
func (s *DockerSuite) TestExecTtyCloseStdin(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "-it", "--name", "exec_tty_stdin", "busybox")
|
|
|
|
cmd := exec.Command(dockerBinary, "exec", "-i", "exec_tty_stdin", "cat")
|
|
stdinRw, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
stdinRw.Write([]byte("test"))
|
|
stdinRw.Close()
|
|
|
|
if out, _, err := runCommandWithOutput(cmd); err != nil {
|
|
c.Fatal(out, err)
|
|
}
|
|
|
|
out, _ := dockerCmd(c, "top", "exec_tty_stdin")
|
|
outArr := strings.Split(out, "\n")
|
|
if len(outArr) > 3 || strings.Contains(out, "nsenter-exec") {
|
|
c.Fatalf("exec process left running\n\t %s", out)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecTtyWithoutStdin(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, _ := dockerCmd(c, "run", "-d", "-ti", "busybox")
|
|
id := strings.TrimSpace(out)
|
|
c.Assert(waitRun(id), check.IsNil)
|
|
|
|
errChan := make(chan error)
|
|
go func() {
|
|
defer close(errChan)
|
|
|
|
cmd := exec.Command(dockerBinary, "exec", "-ti", id, "true")
|
|
if _, err := cmd.StdinPipe(); err != nil {
|
|
errChan <- err
|
|
return
|
|
}
|
|
|
|
expected := "cannot enable tty mode"
|
|
if out, _, err := runCommandWithOutput(cmd); err == nil {
|
|
errChan <- fmt.Errorf("exec should have failed")
|
|
return
|
|
} else if !strings.Contains(out, expected) {
|
|
errChan <- fmt.Errorf("exec failed with error %q: expected %q", out, expected)
|
|
return
|
|
}
|
|
}()
|
|
|
|
select {
|
|
case err := <-errChan:
|
|
c.Assert(err, check.IsNil)
|
|
case <-time.After(3 * time.Second):
|
|
c.Fatal("exec is running but should have failed")
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecParseError(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "top", "busybox", "top")
|
|
|
|
// Test normal (non-detached) case first
|
|
cmd := exec.Command(dockerBinary, "exec", "top")
|
|
if _, stderr, code, err := runCommandWithStdoutStderr(cmd); err == nil || !strings.Contains(stderr, "See '"+dockerBinary+" exec --help'") || code == 0 {
|
|
c.Fatalf("Should have thrown error & point to help: %s", stderr)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecStopNotHanging(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "top")
|
|
|
|
if err := exec.Command(dockerBinary, "exec", "testing", "top").Start(); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
type dstop struct {
|
|
out []byte
|
|
err error
|
|
}
|
|
|
|
ch := make(chan dstop)
|
|
go func() {
|
|
out, err := exec.Command(dockerBinary, "stop", "testing").CombinedOutput()
|
|
ch <- dstop{out, err}
|
|
close(ch)
|
|
}()
|
|
select {
|
|
case <-time.After(3 * time.Second):
|
|
c.Fatal("Container stop timed out")
|
|
case s := <-ch:
|
|
c.Assert(s.err, check.IsNil)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecCgroup(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "testing", "busybox", "top")
|
|
|
|
out, _ := dockerCmd(c, "exec", "testing", "cat", "/proc/1/cgroup")
|
|
containerCgroups := sort.StringSlice(strings.Split(out, "\n"))
|
|
|
|
var wg sync.WaitGroup
|
|
var mu sync.Mutex
|
|
execCgroups := []sort.StringSlice{}
|
|
errChan := make(chan error)
|
|
// exec a few times concurrently to get consistent failure
|
|
for i := 0; i < 5; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
out, _, err := dockerCmdWithError("exec", "testing", "cat", "/proc/self/cgroup")
|
|
if err != nil {
|
|
errChan <- err
|
|
return
|
|
}
|
|
cg := sort.StringSlice(strings.Split(out, "\n"))
|
|
|
|
mu.Lock()
|
|
execCgroups = append(execCgroups, cg)
|
|
mu.Unlock()
|
|
wg.Done()
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
close(errChan)
|
|
|
|
for err := range errChan {
|
|
c.Assert(err, check.IsNil)
|
|
}
|
|
|
|
for _, cg := range execCgroups {
|
|
if !reflect.DeepEqual(cg, containerCgroups) {
|
|
fmt.Println("exec cgroups:")
|
|
for _, name := range cg {
|
|
fmt.Printf(" %s\n", name)
|
|
}
|
|
|
|
fmt.Println("container cgroups:")
|
|
for _, name := range containerCgroups {
|
|
fmt.Printf(" %s\n", name)
|
|
}
|
|
c.Fatal("cgroups mismatched")
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestInspectExecID(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
|
|
id := strings.TrimSuffix(out, "\n")
|
|
|
|
out, err := inspectField(id, "ExecIDs")
|
|
if err != nil {
|
|
c.Fatalf("failed to inspect container: %s, %v", out, err)
|
|
}
|
|
if out != "[]" {
|
|
c.Fatalf("ExecIDs should be empty, got: %s", out)
|
|
}
|
|
|
|
// Start an exec, have it block waiting so we can do some checking
|
|
cmd := exec.Command(dockerBinary, "exec", id, "sh", "-c",
|
|
"while ! test -e /tmp/execid1; do sleep 1; done")
|
|
|
|
if err = cmd.Start(); err != nil {
|
|
c.Fatalf("failed to start the exec cmd: %q", err)
|
|
}
|
|
|
|
// Give the exec 10 chances/seconds to start then give up and stop the test
|
|
tries := 10
|
|
for i := 0; i < tries; i++ {
|
|
// Since its still running we should see exec as part of the container
|
|
out, err = inspectField(id, "ExecIDs")
|
|
if err != nil {
|
|
c.Fatalf("failed to inspect container: %s, %v", out, err)
|
|
}
|
|
|
|
out = strings.TrimSuffix(out, "\n")
|
|
if out != "[]" && out != "<no value>" {
|
|
break
|
|
}
|
|
if i+1 == tries {
|
|
c.Fatalf("ExecIDs should not be empty, got: %s", out)
|
|
}
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
|
|
// Save execID for later
|
|
execID, err := inspectFilter(id, "index .ExecIDs 0")
|
|
if err != nil {
|
|
c.Fatalf("failed to get the exec id: %v", err)
|
|
}
|
|
|
|
// End the exec by creating the missing file
|
|
err = exec.Command(dockerBinary, "exec", id,
|
|
"sh", "-c", "touch /tmp/execid1").Run()
|
|
|
|
if err != nil {
|
|
c.Fatalf("failed to run the 2nd exec cmd: %q", err)
|
|
}
|
|
|
|
// Wait for 1st exec to complete
|
|
cmd.Wait()
|
|
|
|
// All execs for the container should be gone now
|
|
out, err = inspectField(id, "ExecIDs")
|
|
if err != nil {
|
|
c.Fatalf("failed to inspect container: %s, %v", out, err)
|
|
}
|
|
|
|
out = strings.TrimSuffix(out, "\n")
|
|
if out != "[]" && out != "<no value>" {
|
|
c.Fatalf("ExecIDs should be empty, got: %s", out)
|
|
}
|
|
|
|
// But we should still be able to query the execID
|
|
sc, body, err := sockRequest("GET", "/exec/"+execID+"/json", nil)
|
|
if sc != http.StatusOK {
|
|
c.Fatalf("received status != 200 OK: %d\n%s", sc, body)
|
|
}
|
|
|
|
// Now delete the container and then an 'inspect' on the exec should
|
|
// result in a 404 (not 'container not running')
|
|
out, ec := dockerCmd(c, "rm", "-f", id)
|
|
if ec != 0 {
|
|
c.Fatalf("error removing container: %s", out)
|
|
}
|
|
sc, body, err = sockRequest("GET", "/exec/"+execID+"/json", nil)
|
|
if sc != http.StatusNotFound {
|
|
c.Fatalf("received status != 404: %d\n%s", sc, body)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestLinksPingLinkedContainersOnRename(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
var out string
|
|
out, _ = dockerCmd(c, "run", "-d", "--name", "container1", "busybox", "top")
|
|
idA := strings.TrimSpace(out)
|
|
if idA == "" {
|
|
c.Fatal(out, "id should not be nil")
|
|
}
|
|
out, _ = dockerCmd(c, "run", "-d", "--link", "container1:alias1", "--name", "container2", "busybox", "top")
|
|
idB := strings.TrimSpace(out)
|
|
if idB == "" {
|
|
c.Fatal(out, "id should not be nil")
|
|
}
|
|
|
|
dockerCmd(c, "exec", "container2", "ping", "-c", "1", "alias1", "-W", "1")
|
|
dockerCmd(c, "rename", "container1", "container_new")
|
|
dockerCmd(c, "exec", "container2", "ping", "-c", "1", "alias1", "-W", "1")
|
|
}
|
|
|
|
func (s *DockerSuite) TestRunExecDir(c *check.C) {
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
|
|
id := strings.TrimSpace(out)
|
|
execDir := filepath.Join(execDriverPath, id)
|
|
stateFile := filepath.Join(execDir, "state.json")
|
|
|
|
{
|
|
fi, err := os.Stat(execDir)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !fi.IsDir() {
|
|
c.Fatalf("%q must be a directory", execDir)
|
|
}
|
|
fi, err = os.Stat(stateFile)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
}
|
|
|
|
dockerCmd(c, "stop", id)
|
|
{
|
|
_, err := os.Stat(execDir)
|
|
if err == nil {
|
|
c.Fatal(err)
|
|
}
|
|
if err == nil {
|
|
c.Fatalf("Exec directory %q exists for removed container!", execDir)
|
|
}
|
|
if !os.IsNotExist(err) {
|
|
c.Fatalf("Error should be about non-existing, got %s", err)
|
|
}
|
|
}
|
|
dockerCmd(c, "start", id)
|
|
{
|
|
fi, err := os.Stat(execDir)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !fi.IsDir() {
|
|
c.Fatalf("%q must be a directory", execDir)
|
|
}
|
|
fi, err = os.Stat(stateFile)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
}
|
|
dockerCmd(c, "rm", "-f", id)
|
|
{
|
|
_, err := os.Stat(execDir)
|
|
if err == nil {
|
|
c.Fatal(err)
|
|
}
|
|
if err == nil {
|
|
c.Fatalf("Exec directory %q is exists for removed container!", execDir)
|
|
}
|
|
if !os.IsNotExist(err) {
|
|
c.Fatalf("Error should be about non-existing, got %s", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestRunMutableNetworkFiles(c *check.C) {
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
for _, fn := range []string{"resolv.conf", "hosts"} {
|
|
deleteAllContainers()
|
|
|
|
content, err := runCommandAndReadContainerFile(fn, exec.Command(dockerBinary, "run", "-d", "--name", "c1", "busybox", "sh", "-c", fmt.Sprintf("echo success >/etc/%s && top", fn)))
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
if strings.TrimSpace(string(content)) != "success" {
|
|
c.Fatal("Content was not what was modified in the container", string(content))
|
|
}
|
|
|
|
out, _ := dockerCmd(c, "run", "-d", "--name", "c2", "busybox", "top")
|
|
contID := strings.TrimSpace(out)
|
|
netFilePath := containerStorageFile(contID, fn)
|
|
|
|
f, err := os.OpenFile(netFilePath, os.O_WRONLY|os.O_SYNC|os.O_APPEND, 0644)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
if _, err := f.Seek(0, 0); err != nil {
|
|
f.Close()
|
|
c.Fatal(err)
|
|
}
|
|
|
|
if err := f.Truncate(0); err != nil {
|
|
f.Close()
|
|
c.Fatal(err)
|
|
}
|
|
|
|
if _, err := f.Write([]byte("success2\n")); err != nil {
|
|
f.Close()
|
|
c.Fatal(err)
|
|
}
|
|
f.Close()
|
|
|
|
res, _ := dockerCmd(c, "exec", contID, "cat", "/etc/"+fn)
|
|
if res != "success2\n" {
|
|
c.Fatalf("Expected content of %s: %q, got: %q", fn, "success2\n", res)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecWithUser(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--name", "parent", "busybox", "top")
|
|
|
|
out, _ := dockerCmd(c, "exec", "-u", "1", "parent", "id")
|
|
if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
|
|
c.Fatalf("exec with user by id expected daemon user got %s", out)
|
|
}
|
|
|
|
out, _ = dockerCmd(c, "exec", "-u", "root", "parent", "id")
|
|
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
|
|
c.Fatalf("exec with user by root expected root user got %s", out)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecWithPrivileged(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
// Start main loop which attempts mknod repeatedly
|
|
dockerCmd(c, "run", "-d", "--name", "parent", "--cap-drop=ALL", "busybox", "sh", "-c", `while (true); do if [ -e /exec_priv ]; then cat /exec_priv && mknod /tmp/sda b 8 0 && echo "Success"; else echo "Privileged exec has not run yet"; fi; usleep 10000; done`)
|
|
|
|
// Check exec mknod doesn't work
|
|
cmd := exec.Command(dockerBinary, "exec", "parent", "sh", "-c", "mknod /tmp/sdb b 8 16")
|
|
out, _, err := runCommandWithOutput(cmd)
|
|
if err == nil || !strings.Contains(out, "Operation not permitted") {
|
|
c.Fatalf("exec mknod in --cap-drop=ALL container without --privileged should fail")
|
|
}
|
|
|
|
// Check exec mknod does work with --privileged
|
|
cmd = exec.Command(dockerBinary, "exec", "--privileged", "parent", "sh", "-c", `echo "Running exec --privileged" > /exec_priv && mknod /tmp/sdb b 8 16 && usleep 50000 && echo "Finished exec --privileged" > /exec_priv && echo ok`)
|
|
out, _, err = runCommandWithOutput(cmd)
|
|
if err != nil {
|
|
c.Fatal(err, out)
|
|
}
|
|
|
|
if actual := strings.TrimSpace(out); actual != "ok" {
|
|
c.Fatalf("exec mknod in --cap-drop=ALL container with --privileged failed: %v, output: %q", err, out)
|
|
}
|
|
|
|
// Check subsequent unprivileged exec cannot mknod
|
|
cmd = exec.Command(dockerBinary, "exec", "parent", "sh", "-c", "mknod /tmp/sdc b 8 32")
|
|
out, _, err = runCommandWithOutput(cmd)
|
|
if err == nil || !strings.Contains(out, "Operation not permitted") {
|
|
c.Fatalf("repeating exec mknod in --cap-drop=ALL container after --privileged without --privileged should fail")
|
|
}
|
|
|
|
// Confirm at no point was mknod allowed
|
|
logCmd := exec.Command(dockerBinary, "logs", "parent")
|
|
if out, _, err := runCommandWithOutput(logCmd); err != nil || strings.Contains(out, "Success") {
|
|
c.Fatal(out, err)
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecWithImageUser(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
name := "testbuilduser"
|
|
_, err := buildImage(name,
|
|
`FROM busybox
|
|
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
|
|
USER dockerio`,
|
|
true)
|
|
if err != nil {
|
|
c.Fatalf("Could not build image %s: %v", name, err)
|
|
}
|
|
|
|
dockerCmd(c, "run", "-d", "--name", "dockerioexec", name, "top")
|
|
|
|
out, _ := dockerCmd(c, "exec", "dockerioexec", "whoami")
|
|
if !strings.Contains(out, "dockerio") {
|
|
c.Fatalf("exec with user by id expected dockerio user got %s", out)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestExecOnReadonlyContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "run", "-d", "--read-only", "--name", "parent", "busybox", "top")
|
|
if _, status := dockerCmd(c, "exec", "parent", "true"); status != 0 {
|
|
c.Fatalf("exec into a read-only container failed with exit status %d", status)
|
|
}
|
|
}
|
|
|
|
// #15750
|
|
func (s *DockerSuite) TestExecStartFails(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
name := "exec-15750"
|
|
dockerCmd(c, "run", "-d", "--name", name, "busybox", "top")
|
|
c.Assert(waitRun(name), check.IsNil)
|
|
|
|
out, _, err := dockerCmdWithError("exec", name, "no-such-cmd")
|
|
c.Assert(err, check.NotNil, check.Commentf(out))
|
|
c.Assert(out, checker.Contains, "executable file not found")
|
|
}
|