305 lines
7.8 KiB
Go
305 lines
7.8 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
|
|
"github.com/docker/docker/pkg/archive"
|
|
"github.com/go-check/check"
|
|
"gotest.tools/assert"
|
|
)
|
|
|
|
type fileType uint32
|
|
|
|
const (
|
|
ftRegular fileType = iota
|
|
ftDir
|
|
ftSymlink
|
|
)
|
|
|
|
type fileData struct {
|
|
filetype fileType
|
|
path string
|
|
contents string
|
|
uid int
|
|
gid int
|
|
mode int
|
|
}
|
|
|
|
func (fd fileData) creationCommand() string {
|
|
var command string
|
|
|
|
switch fd.filetype {
|
|
case ftRegular:
|
|
// Don't overwrite the file if it already exists!
|
|
command = fmt.Sprintf("if [ ! -f %s ]; then echo %q > %s; fi", fd.path, fd.contents, fd.path)
|
|
case ftDir:
|
|
command = fmt.Sprintf("mkdir -p %s", fd.path)
|
|
case ftSymlink:
|
|
command = fmt.Sprintf("ln -fs %s %s", fd.contents, fd.path)
|
|
}
|
|
|
|
return command
|
|
}
|
|
|
|
func mkFilesCommand(fds []fileData) string {
|
|
commands := make([]string, len(fds))
|
|
|
|
for i, fd := range fds {
|
|
commands[i] = fd.creationCommand()
|
|
}
|
|
|
|
return strings.Join(commands, " && ")
|
|
}
|
|
|
|
var defaultFileData = []fileData{
|
|
{ftRegular, "file1", "file1", 0, 0, 0666},
|
|
{ftRegular, "file2", "file2", 0, 0, 0666},
|
|
{ftRegular, "file3", "file3", 0, 0, 0666},
|
|
{ftRegular, "file4", "file4", 0, 0, 0666},
|
|
{ftRegular, "file5", "file5", 0, 0, 0666},
|
|
{ftRegular, "file6", "file6", 0, 0, 0666},
|
|
{ftRegular, "file7", "file7", 0, 0, 0666},
|
|
{ftDir, "dir1", "", 0, 0, 0777},
|
|
{ftRegular, "dir1/file1-1", "file1-1", 0, 0, 0666},
|
|
{ftRegular, "dir1/file1-2", "file1-2", 0, 0, 0666},
|
|
{ftDir, "dir2", "", 0, 0, 0666},
|
|
{ftRegular, "dir2/file2-1", "file2-1", 0, 0, 0666},
|
|
{ftRegular, "dir2/file2-2", "file2-2", 0, 0, 0666},
|
|
{ftDir, "dir3", "", 0, 0, 0666},
|
|
{ftRegular, "dir3/file3-1", "file3-1", 0, 0, 0666},
|
|
{ftRegular, "dir3/file3-2", "file3-2", 0, 0, 0666},
|
|
{ftDir, "dir4", "", 0, 0, 0666},
|
|
{ftRegular, "dir4/file3-1", "file4-1", 0, 0, 0666},
|
|
{ftRegular, "dir4/file3-2", "file4-2", 0, 0, 0666},
|
|
{ftDir, "dir5", "", 0, 0, 0666},
|
|
{ftSymlink, "symlinkToFile1", "file1", 0, 0, 0666},
|
|
{ftSymlink, "symlinkToDir1", "dir1", 0, 0, 0666},
|
|
{ftSymlink, "brokenSymlinkToFileX", "fileX", 0, 0, 0666},
|
|
{ftSymlink, "brokenSymlinkToDirX", "dirX", 0, 0, 0666},
|
|
{ftSymlink, "symlinkToAbsDir", "/root", 0, 0, 0666},
|
|
{ftDir, "permdirtest", "", 2, 2, 0700},
|
|
{ftRegular, "permdirtest/permtest", "perm_test", 65534, 65534, 0400},
|
|
}
|
|
|
|
func defaultMkContentCommand() string {
|
|
return mkFilesCommand(defaultFileData)
|
|
}
|
|
|
|
func makeTestContentInDir(c *check.C, dir string) {
|
|
for _, fd := range defaultFileData {
|
|
path := filepath.Join(dir, filepath.FromSlash(fd.path))
|
|
switch fd.filetype {
|
|
case ftRegular:
|
|
assert.NilError(c, ioutil.WriteFile(path, []byte(fd.contents+"\n"), os.FileMode(fd.mode)))
|
|
case ftDir:
|
|
assert.NilError(c, os.Mkdir(path, os.FileMode(fd.mode)))
|
|
case ftSymlink:
|
|
assert.NilError(c, os.Symlink(fd.contents, path))
|
|
}
|
|
|
|
if fd.filetype != ftSymlink && runtime.GOOS != "windows" {
|
|
assert.NilError(c, os.Chown(path, fd.uid, fd.gid))
|
|
}
|
|
}
|
|
}
|
|
|
|
type testContainerOptions struct {
|
|
addContent bool
|
|
readOnly bool
|
|
volumes []string
|
|
workDir string
|
|
command string
|
|
}
|
|
|
|
func makeTestContainer(c *check.C, options testContainerOptions) (containerID string) {
|
|
if options.addContent {
|
|
mkContentCmd := defaultMkContentCommand()
|
|
if options.command == "" {
|
|
options.command = mkContentCmd
|
|
} else {
|
|
options.command = fmt.Sprintf("%s && %s", defaultMkContentCommand(), options.command)
|
|
}
|
|
}
|
|
|
|
if options.command == "" {
|
|
options.command = "#(nop)"
|
|
}
|
|
|
|
args := []string{"run", "-d"}
|
|
|
|
for _, volume := range options.volumes {
|
|
args = append(args, "-v", volume)
|
|
}
|
|
|
|
if options.workDir != "" {
|
|
args = append(args, "-w", options.workDir)
|
|
}
|
|
|
|
if options.readOnly {
|
|
args = append(args, "--read-only")
|
|
}
|
|
|
|
args = append(args, "busybox", "/bin/sh", "-c", options.command)
|
|
|
|
out, _ := dockerCmd(c, args...)
|
|
|
|
containerID = strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", containerID)
|
|
|
|
exitCode := strings.TrimSpace(out)
|
|
if exitCode != "0" {
|
|
out, _ = dockerCmd(c, "logs", containerID)
|
|
}
|
|
assert.Equal(c, exitCode, "0", "failed to make test container: %s", out)
|
|
|
|
return
|
|
}
|
|
|
|
func makeCatFileCommand(path string) string {
|
|
return fmt.Sprintf("if [ -f %s ]; then cat %s; fi", path, path)
|
|
}
|
|
|
|
func cpPath(pathElements ...string) string {
|
|
localizedPathElements := make([]string, len(pathElements))
|
|
for i, path := range pathElements {
|
|
localizedPathElements[i] = filepath.FromSlash(path)
|
|
}
|
|
return strings.Join(localizedPathElements, string(filepath.Separator))
|
|
}
|
|
|
|
func cpPathTrailingSep(pathElements ...string) string {
|
|
return fmt.Sprintf("%s%c", cpPath(pathElements...), filepath.Separator)
|
|
}
|
|
|
|
func containerCpPath(containerID string, pathElements ...string) string {
|
|
joined := strings.Join(pathElements, "/")
|
|
return fmt.Sprintf("%s:%s", containerID, joined)
|
|
}
|
|
|
|
func containerCpPathTrailingSep(containerID string, pathElements ...string) string {
|
|
return fmt.Sprintf("%s/", containerCpPath(containerID, pathElements...))
|
|
}
|
|
|
|
func runDockerCp(c *check.C, src, dst string, params []string) (err error) {
|
|
c.Logf("running `docker cp %s %s %s`", strings.Join(params, " "), src, dst)
|
|
|
|
args := []string{"cp"}
|
|
|
|
args = append(args, params...)
|
|
|
|
args = append(args, src, dst)
|
|
|
|
out, _, err := runCommandWithOutput(exec.Command(dockerBinary, args...))
|
|
if err != nil {
|
|
err = fmt.Errorf("error executing `docker cp` command: %s: %s", err, out)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func startContainerGetOutput(c *check.C, containerID string) (out string, err error) {
|
|
c.Logf("running `docker start -a %s`", containerID)
|
|
|
|
args := []string{"start", "-a", containerID}
|
|
|
|
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, args...))
|
|
if err != nil {
|
|
err = fmt.Errorf("error executing `docker start` command: %s: %s", err, out)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func getTestDir(c *check.C, label string) (tmpDir string) {
|
|
var err error
|
|
|
|
tmpDir, err = ioutil.TempDir("", label)
|
|
// unable to make temporary directory
|
|
assert.NilError(c, err)
|
|
|
|
return
|
|
}
|
|
|
|
func isCpDirNotExist(err error) bool {
|
|
return strings.Contains(err.Error(), archive.ErrDirNotExists.Error())
|
|
}
|
|
|
|
func isCpCannotCopyDir(err error) bool {
|
|
return strings.Contains(err.Error(), archive.ErrCannotCopyDir.Error())
|
|
}
|
|
|
|
func isCpCannotCopyReadOnly(err error) bool {
|
|
return strings.Contains(err.Error(), "marked read-only")
|
|
}
|
|
|
|
func fileContentEquals(c *check.C, filename, contents string) (err error) {
|
|
c.Logf("checking that file %q contains %q\n", filename, contents)
|
|
|
|
fileBytes, err := ioutil.ReadFile(filename)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
expectedBytes, err := ioutil.ReadAll(strings.NewReader(contents))
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if !bytes.Equal(fileBytes, expectedBytes) {
|
|
err = fmt.Errorf("file content not equal - expected %q, got %q", string(expectedBytes), string(fileBytes))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func symlinkTargetEquals(c *check.C, symlink, expectedTarget string) (err error) {
|
|
c.Logf("checking that the symlink %q points to %q\n", symlink, expectedTarget)
|
|
|
|
actualTarget, err := os.Readlink(symlink)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if actualTarget != expectedTarget {
|
|
err = fmt.Errorf("symlink target points to %q not %q", actualTarget, expectedTarget)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func containerStartOutputEquals(c *check.C, containerID, contents string) (err error) {
|
|
c.Logf("checking that container %q start output contains %q\n", containerID, contents)
|
|
|
|
out, err := startContainerGetOutput(c, containerID)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if out != contents {
|
|
err = fmt.Errorf("output contents not equal - expected %q, got %q", contents, out)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func defaultVolumes(tmpDir string) []string {
|
|
if testEnv.IsLocalDaemon() {
|
|
return []string{
|
|
"/vol1",
|
|
fmt.Sprintf("%s:/vol2", tmpDir),
|
|
fmt.Sprintf("%s:/vol3", filepath.Join(tmpDir, "vol3")),
|
|
fmt.Sprintf("%s:/vol_ro:ro", filepath.Join(tmpDir, "vol_ro")),
|
|
}
|
|
}
|
|
|
|
// Can't bind-mount volumes with separate host daemon.
|
|
return []string{"/vol1", "/vol2", "/vol3", "/vol_ro:/vol_ro:ro"}
|
|
}
|