Golang daemon.Container類代碼示例

func (b *buildFile) run(c *daemon.Container) error {
	var errCh chan error
	if b.verbose {
		errCh = utils.Go(func() error {
			return <-b.daemon.Attach(c, nil, nil, b.outStream, b.errStream)
		})
	}

	//start the container
	if err := c.Start(); err != nil {
		return err
	}

	if errCh != nil {
		if err := <-errCh; err != nil {
			return err
		}
	}

	// Wait for it to finish
	if ret := c.Wait(); ret != 0 {
		err := &utils.JSONError{
			Message: fmt.Sprintf("The command %v returned a non-zero code: %d", b.config.Cmd, ret),
			Code:    ret,
		}
		return err
	}

	return nil
}

func unsetRaw(t *testing.T, c *daemon.Container, state *term.State) {
	pty, err := c.GetPtyMaster()
	if err != nil {
		t.Fatal(err)
	}
	term.RestoreTerminal(pty.Fd(), state)
}

func setRaw(t *testing.T, c *daemon.Container) *term.State {
	pty, err := c.GetPtyMaster()
	if err != nil {
		t.Fatal(err)
	}
	state, err := term.MakeRaw(pty.Fd())
	if err != nil {
		t.Fatal(err)
	}
	return state
}

func (b *buildFile) addContext(container *daemon.Container, orig, dest string, remote bool) error {
	var (
		err        error
		destExists = true
		origPath   = path.Join(b.contextPath, orig)
		destPath   = path.Join(container.RootfsPath(), dest)
	)

	if destPath != container.RootfsPath() {
		destPath, err = symlink.FollowSymlinkInScope(destPath, container.RootfsPath())
		if err != nil {
			return err
		}
	}

	// Preserve the trailing '/'
	if strings.HasSuffix(dest, "/") {
		destPath = destPath + "/"
	}
	destStat, err := os.Stat(destPath)
	if err != nil {
		if os.IsNotExist(err) {
			destExists = false
		} else {
			return err
		}
	}
	fi, err := os.Stat(origPath)
	if err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("%s: no such file or directory", orig)
		}
		return err
	}

	fixPermsR := func(destPath string, uid, gid int) error {
		return filepath.Walk(destPath, func(path string, info os.FileInfo, err error) error {
			if err := os.Lchown(path, uid, gid); err != nil && !os.IsNotExist(err) {
				return err
			}
			return nil
		})
	}

	if fi.IsDir() {
		if err := archive.CopyWithTar(origPath, destPath); err != nil {
			return err
		}
		if destExists {
			files, err := ioutil.ReadDir(origPath)
			if err != nil {
				return err
			}
			for _, file := range files {
				if err := fixPermsR(filepath.Join(destPath, file.Name()), 0, 0); err != nil {
					return err
				}
			}
		} else {
			if err := fixPermsR(destPath, 0, 0); err != nil {
				return err
			}
		}
		return nil
	}

	// First try to unpack the source as an archive
	// to support the untar feature we need to clean up the path a little bit
	// because tar is very forgiving.  First we need to strip off the archive's
	// filename from the path but this is only added if it does not end in / .
	tarDest := destPath
	if strings.HasSuffix(tarDest, "/") {
		tarDest = filepath.Dir(destPath)
	}

	// If we are adding a remote file, do not try to untar it
	if !remote {
		// try to successfully untar the orig
		if err := archive.UntarPath(origPath, tarDest); err == nil {
			return nil
		}
		utils.Debugf("Couldn't untar %s to %s: %s", origPath, destPath, err)
	}

	// If that fails, just copy it as a regular file
	// but do not use all the magic path handling for the tar path
	if err := os.MkdirAll(path.Dir(destPath), 0755); err != nil {
		return err
	}
	if err := archive.CopyWithTar(origPath, destPath); err != nil {
		return err
	}

	resPath := destPath
	if destExists && destStat.IsDir() {
		resPath = path.Join(destPath, path.Base(origPath))
	}

	if err := fixPermsR(resPath, 0, 0); err != nil {
		return err
//.........這裏部分代碼省略.........

func (b *buildFile) addContext(container *daemon.Container, orig, dest string, decompress bool) error {
	var (
		err        error
		destExists = true
		origPath   = path.Join(b.contextPath, orig)
		destPath   = path.Join(container.RootfsPath(), dest)
	)

	if destPath != container.RootfsPath() {
		destPath, err = symlink.FollowSymlinkInScope(destPath, container.RootfsPath())
		if err != nil {
			return err
		}
	}

	// Preserve the trailing '/'
	if strings.HasSuffix(dest, "/") || dest == "." {
		destPath = destPath + "/"
	}

	destStat, err := os.Stat(destPath)
	if err != nil {
		if !os.IsNotExist(err) {
			return err
		}
		destExists = false
	}

	fi, err := os.Stat(origPath)
	if err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("%s: no such file or directory", orig)
		}
		return err
	}

	if fi.IsDir() {
		return copyAsDirectory(origPath, destPath, destExists)
	}

	// If we are adding a remote file (or we've been told not to decompress), do not try to untar it
	if decompress {
		// First try to unpack the source as an archive
		// to support the untar feature we need to clean up the path a little bit
		// because tar is very forgiving.  First we need to strip off the archive's
		// filename from the path but this is only added if it does not end in / .
		tarDest := destPath
		if strings.HasSuffix(tarDest, "/") {
			tarDest = filepath.Dir(destPath)
		}

		// try to successfully untar the orig
		if err := archive.UntarPath(origPath, tarDest); err == nil {
			return nil
		} else if err != io.EOF {
			utils.Debugf("Couldn't untar %s to %s: %s", origPath, tarDest, err)
		}
	}

	if err := os.MkdirAll(path.Dir(destPath), 0755); err != nil {
		return err
	}
	if err := archive.CopyWithTar(origPath, destPath); err != nil {
		return err
	}

	resPath := destPath
	if destExists && destStat.IsDir() {
		resPath = path.Join(destPath, path.Base(origPath))
	}

	return fixPermissions(resPath, 0, 0)
}