feat(stacks): support automated sync for stacks [EE-248] (#5340)

api/backup/backup.go

@@ -10,6 +10,7 @@ import (
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/archive"
 	"github.com/portainer/portainer/api/crypto"
+	"github.com/portainer/portainer/api/filesystem"
 	"github.com/portainer/portainer/api/http/offlinegate"
 )
 
@@ -32,7 +33,7 @@ func CreateBackupArchive(password string, gate *offlinegate.OfflineGate, datasto
 	}
 
 	for _, filename := range filesToBackup {
-		err := copyPath(filepath.Join(filestorePath, filename), backupDirPath)
+		err := filesystem.CopyPath(filepath.Join(filestorePath, filename), backupDirPath)
 		if err != nil {
 			return "", errors.Wrap(err, "Failed to create backup file")
 		}

api/backup/copy.go

@@ -1,68 +0,0 @@
-package backup
-
-import (
-	"errors"
-	"io"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-func copyPath(path string, toDir string) error {
-	info, err := os.Stat(path)
-	if err != nil && errors.Is(err, os.ErrNotExist) {
-		// skip copy if file does not exist
-		return nil
-	}
-
-	if !info.IsDir() {
-		destination := filepath.Join(toDir, info.Name())
-		return copyFile(path, destination)
-	}
-
-	return copyDir(path, toDir)
-}
-
-func copyDir(fromDir, toDir string) error {
-	cleanedSourcePath := filepath.Clean(fromDir)
-	parentDirectory := filepath.Dir(cleanedSourcePath)
-	err := filepath.Walk(cleanedSourcePath, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		destination := filepath.Join(toDir, strings.TrimPrefix(path, parentDirectory))
-		if info.IsDir() {
-			return nil // skip directory creations
-		}
-
-		if info.Mode()&os.ModeSymlink != 0 { // entry is a symlink
-			return nil // don't copy symlinks
-		}
-
-		return copyFile(path, destination)
-	})
-
-	return err
-}
-
-// copies regular a file from src to dst
-func copyFile(src, dst string) error {
-	from, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer from.Close()
-
-	// has to include 'execute' bit, otherwise fails. MkdirAll follows `mkdir -m` restrictions
-	if err := os.MkdirAll(filepath.Dir(dst), 0744); err != nil {
-		return err
-	}
-	to, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer to.Close()
-
-	_, err = io.Copy(to, from)
-	return err
-}

api/backup/copy_test.go

@@ -1,105 +0,0 @@
-package backup
-
-import (
-	"io/ioutil"
-	"os"
-	"path"
-	"path/filepath"
-	"testing"
-
-	"github.com/docker/docker/pkg/ioutils"
-	"github.com/stretchr/testify/assert"
-)
-
-func listFiles(dir string) []string {
-	items := make([]string, 0)
-	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
-		if path == dir {
-			return nil
-		}
-		items = append(items, path)
-		return nil
-	})
-
-	return items
-}
-
-func contains(t *testing.T, list []string, path string) {
-	assert.Contains(t, list, path)
-	copyContent, _ := ioutil.ReadFile(path)
-	assert.Equal(t, "content\n", string(copyContent))
-}
-
-func Test_copyFile_returnsError_whenSourceDoesNotExist(t *testing.T) {
-	tmpdir, _ := ioutils.TempDir("", "backup")
-	defer os.RemoveAll(tmpdir)
-
-	err := copyFile("does-not-exist", tmpdir)
-	assert.NotNil(t, err)
-}
-
-func Test_copyFile_shouldMakeAbackup(t *testing.T) {
-	tmpdir, _ := ioutils.TempDir("", "backup")
-	defer os.RemoveAll(tmpdir)
-
-	content := []byte("content")
-	ioutil.WriteFile(path.Join(tmpdir, "origin"), content, 0600)
-
-	err := copyFile(path.Join(tmpdir, "origin"), path.Join(tmpdir, "copy"))
-	assert.Nil(t, err)
-
-	copyContent, _ := ioutil.ReadFile(path.Join(tmpdir, "copy"))
-	assert.Equal(t, content, copyContent)
-}
-
-func Test_copyDir_shouldCopyAllFilesAndDirectories(t *testing.T) {
-	destination, _ := ioutils.TempDir("", "destination")
-	defer os.RemoveAll(destination)
-	err := copyDir("./test_assets/copy_test", destination)
-	assert.Nil(t, err)
-
-	createdFiles := listFiles(destination)
-
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "outer"))
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "dir", ".dotfile"))
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "dir", "inner"))
-}
-
-func Test_backupPath_shouldSkipWhenNotExist(t *testing.T) {
-	tmpdir, _ := ioutils.TempDir("", "backup")
-	defer os.RemoveAll(tmpdir)
-
-	err := copyPath("does-not-exists", tmpdir)
-	assert.Nil(t, err)
-
-	assert.Empty(t, listFiles(tmpdir))
-}
-
-func Test_backupPath_shouldCopyFile(t *testing.T) {
-	tmpdir, _ := ioutils.TempDir("", "backup")
-	defer os.RemoveAll(tmpdir)
-
-	content := []byte("content")
-	ioutil.WriteFile(path.Join(tmpdir, "file"), content, 0600)
-
-	os.MkdirAll(path.Join(tmpdir, "backup"), 0700)
-	err := copyPath(path.Join(tmpdir, "file"), path.Join(tmpdir, "backup"))
-	assert.Nil(t, err)
-
-	copyContent, err := ioutil.ReadFile(path.Join(tmpdir, "backup", "file"))
-	assert.Nil(t, err)
-	assert.Equal(t, content, copyContent)
-}
-
-func Test_backupPath_shouldCopyDir(t *testing.T) {
-	destination, _ := ioutils.TempDir("", "destination")
-	defer os.RemoveAll(destination)
-	err := copyPath("./test_assets/copy_test", destination)
-	assert.Nil(t, err)
-
-	createdFiles := listFiles(destination)
-
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "outer"))
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "dir", ".dotfile"))
-	contains(t, createdFiles, filepath.Join(destination, "copy_test", "dir", "inner"))
-}

api/backup/restore.go

@@ -11,6 +11,7 @@ import (
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/archive"
 	"github.com/portainer/portainer/api/crypto"
+	"github.com/portainer/portainer/api/filesystem"
 	"github.com/portainer/portainer/api/http/offlinegate"
 )
 
@@ -59,7 +60,7 @@ func extractArchive(r io.Reader, destinationDirPath string) error {
 
 func restoreFiles(srcDir string, destinationDir string) error {
 	for _, filename := range filesToRestore {
-		err := copyPath(filepath.Join(srcDir, filename), destinationDir)
+		err := filesystem.CopyPath(filepath.Join(srcDir, filename), destinationDir)
 		if err != nil {
 			return err
 		}

api/backup/test_assets/copy_test/dir/.dotfile

@@ -1 +0,0 @@
-content

api/backup/test_assets/copy_test/dir/inner

@@ -1 +0,0 @@
-content

api/backup/test_assets/copy_test/outer

@@ -1 +0,0 @@
-content