mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
305 lines
7.8 KiB
Go
305 lines
7.8 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/pkg/archive"
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"github.com/go-check/check"
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)
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type fileType uint32
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const (
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ftRegular fileType = iota
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ftDir
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ftSymlink
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)
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type fileData struct {
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filetype fileType
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path string
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contents string
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uid int
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gid int
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mode int
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}
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func (fd fileData) creationCommand() string {
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var command string
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switch fd.filetype {
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case ftRegular:
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// Don't overwrite the file if it already exists!
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command = fmt.Sprintf("if [ ! -f %s ]; then echo %q > %s; fi", fd.path, fd.contents, fd.path)
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case ftDir:
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command = fmt.Sprintf("mkdir -p %s", fd.path)
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case ftSymlink:
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command = fmt.Sprintf("ln -fs %s %s", fd.contents, fd.path)
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}
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return command
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}
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func mkFilesCommand(fds []fileData) string {
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commands := make([]string, len(fds))
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for i, fd := range fds {
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commands[i] = fd.creationCommand()
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}
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return strings.Join(commands, " && ")
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}
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var defaultFileData = []fileData{
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{ftRegular, "file1", "file1", 0, 0, 0666},
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{ftRegular, "file2", "file2", 0, 0, 0666},
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{ftRegular, "file3", "file3", 0, 0, 0666},
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{ftRegular, "file4", "file4", 0, 0, 0666},
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{ftRegular, "file5", "file5", 0, 0, 0666},
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{ftRegular, "file6", "file6", 0, 0, 0666},
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{ftRegular, "file7", "file7", 0, 0, 0666},
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{ftDir, "dir1", "", 0, 0, 0777},
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{ftRegular, "dir1/file1-1", "file1-1", 0, 0, 0666},
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{ftRegular, "dir1/file1-2", "file1-2", 0, 0, 0666},
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{ftDir, "dir2", "", 0, 0, 0666},
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{ftRegular, "dir2/file2-1", "file2-1", 0, 0, 0666},
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{ftRegular, "dir2/file2-2", "file2-2", 0, 0, 0666},
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{ftDir, "dir3", "", 0, 0, 0666},
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{ftRegular, "dir3/file3-1", "file3-1", 0, 0, 0666},
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{ftRegular, "dir3/file3-2", "file3-2", 0, 0, 0666},
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{ftDir, "dir4", "", 0, 0, 0666},
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{ftRegular, "dir4/file3-1", "file4-1", 0, 0, 0666},
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{ftRegular, "dir4/file3-2", "file4-2", 0, 0, 0666},
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{ftDir, "dir5", "", 0, 0, 0666},
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{ftSymlink, "symlinkToFile1", "file1", 0, 0, 0666},
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{ftSymlink, "symlinkToDir1", "dir1", 0, 0, 0666},
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{ftSymlink, "brokenSymlinkToFileX", "fileX", 0, 0, 0666},
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{ftSymlink, "brokenSymlinkToDirX", "dirX", 0, 0, 0666},
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{ftSymlink, "symlinkToAbsDir", "/root", 0, 0, 0666},
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{ftDir, "permdirtest", "", 2, 2, 0700},
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{ftRegular, "permdirtest/permtest", "perm_test", 65534, 65534, 0400},
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}
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func defaultMkContentCommand() string {
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return mkFilesCommand(defaultFileData)
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}
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func makeTestContentInDir(c *check.C, dir string) {
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for _, fd := range defaultFileData {
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path := filepath.Join(dir, filepath.FromSlash(fd.path))
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switch fd.filetype {
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case ftRegular:
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c.Assert(ioutil.WriteFile(path, []byte(fd.contents+"\n"), os.FileMode(fd.mode)), checker.IsNil)
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case ftDir:
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c.Assert(os.Mkdir(path, os.FileMode(fd.mode)), checker.IsNil)
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case ftSymlink:
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c.Assert(os.Symlink(fd.contents, path), checker.IsNil)
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}
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if fd.filetype != ftSymlink && runtime.GOOS != "windows" {
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c.Assert(os.Chown(path, fd.uid, fd.gid), checker.IsNil)
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}
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}
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}
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type testContainerOptions struct {
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addContent bool
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readOnly bool
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volumes []string
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workDir string
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command string
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}
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func makeTestContainer(c *check.C, options testContainerOptions) (containerID string) {
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if options.addContent {
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mkContentCmd := defaultMkContentCommand()
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if options.command == "" {
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options.command = mkContentCmd
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} else {
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options.command = fmt.Sprintf("%s && %s", defaultMkContentCommand(), options.command)
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}
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}
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if options.command == "" {
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options.command = "#(nop)"
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}
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args := []string{"run", "-d"}
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for _, volume := range options.volumes {
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args = append(args, "-v", volume)
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}
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if options.workDir != "" {
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args = append(args, "-w", options.workDir)
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}
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if options.readOnly {
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args = append(args, "--read-only")
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}
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args = append(args, "busybox", "/bin/sh", "-c", options.command)
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out, _ := dockerCmd(c, args...)
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containerID = strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", containerID)
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exitCode := strings.TrimSpace(out)
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if exitCode != "0" {
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out, _ = dockerCmd(c, "logs", containerID)
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}
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c.Assert(exitCode, checker.Equals, "0", check.Commentf("failed to make test container: %s", out))
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return
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}
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func makeCatFileCommand(path string) string {
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return fmt.Sprintf("if [ -f %s ]; then cat %s; fi", path, path)
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}
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func cpPath(pathElements ...string) string {
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localizedPathElements := make([]string, len(pathElements))
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for i, path := range pathElements {
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localizedPathElements[i] = filepath.FromSlash(path)
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}
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return strings.Join(localizedPathElements, string(filepath.Separator))
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}
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func cpPathTrailingSep(pathElements ...string) string {
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return fmt.Sprintf("%s%c", cpPath(pathElements...), filepath.Separator)
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}
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func containerCpPath(containerID string, pathElements ...string) string {
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joined := strings.Join(pathElements, "/")
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return fmt.Sprintf("%s:%s", containerID, joined)
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}
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func containerCpPathTrailingSep(containerID string, pathElements ...string) string {
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return fmt.Sprintf("%s/", containerCpPath(containerID, pathElements...))
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}
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func runDockerCp(c *check.C, src, dst string, params []string) (err error) {
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c.Logf("running `docker cp %s %s %s`", strings.Join(params, " "), src, dst)
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args := []string{"cp"}
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args = append(args, params...)
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args = append(args, src, dst)
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, args...))
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if err != nil {
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err = fmt.Errorf("error executing `docker cp` command: %s: %s", err, out)
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}
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return
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}
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func startContainerGetOutput(c *check.C, containerID string) (out string, err error) {
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c.Logf("running `docker start -a %s`", containerID)
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args := []string{"start", "-a", containerID}
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out, _, err = runCommandWithOutput(exec.Command(dockerBinary, args...))
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if err != nil {
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err = fmt.Errorf("error executing `docker start` command: %s: %s", err, out)
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}
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return
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}
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func getTestDir(c *check.C, label string) (tmpDir string) {
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var err error
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tmpDir, err = ioutil.TempDir("", label)
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// unable to make temporary directory
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c.Assert(err, checker.IsNil)
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return
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}
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func isCpDirNotExist(err error) bool {
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return strings.Contains(err.Error(), archive.ErrDirNotExists.Error())
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}
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func isCpCannotCopyDir(err error) bool {
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return strings.Contains(err.Error(), archive.ErrCannotCopyDir.Error())
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}
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func isCpCannotCopyReadOnly(err error) bool {
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return strings.Contains(err.Error(), "marked read-only")
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}
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func fileContentEquals(c *check.C, filename, contents string) (err error) {
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c.Logf("checking that file %q contains %q\n", filename, contents)
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fileBytes, err := ioutil.ReadFile(filename)
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if err != nil {
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return
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}
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expectedBytes, err := ioutil.ReadAll(strings.NewReader(contents))
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if err != nil {
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return
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}
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if !bytes.Equal(fileBytes, expectedBytes) {
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err = fmt.Errorf("file content not equal - expected %q, got %q", string(expectedBytes), string(fileBytes))
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}
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return
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}
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func symlinkTargetEquals(c *check.C, symlink, expectedTarget string) (err error) {
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c.Logf("checking that the symlink %q points to %q\n", symlink, expectedTarget)
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actualTarget, err := os.Readlink(symlink)
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if err != nil {
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return
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}
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if actualTarget != expectedTarget {
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err = fmt.Errorf("symlink target points to %q not %q", actualTarget, expectedTarget)
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}
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return
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}
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func containerStartOutputEquals(c *check.C, containerID, contents string) (err error) {
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c.Logf("checking that container %q start output contains %q\n", containerID, contents)
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out, err := startContainerGetOutput(c, containerID)
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if err != nil {
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return
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}
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if out != contents {
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err = fmt.Errorf("output contents not equal - expected %q, got %q", contents, out)
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}
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return
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}
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func defaultVolumes(tmpDir string) []string {
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if SameHostDaemon() {
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return []string{
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"/vol1",
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fmt.Sprintf("%s:/vol2", tmpDir),
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fmt.Sprintf("%s:/vol3", filepath.Join(tmpDir, "vol3")),
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fmt.Sprintf("%s:/vol_ro:ro", filepath.Join(tmpDir, "vol_ro")),
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}
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}
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// Can't bind-mount volumes with separate host daemon.
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return []string{"/vol1", "/vol2", "/vol3", "/vol_ro:/vol_ro:ro"}
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}
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