feat(stacks): redeploy git stack [EE-161] (#5139)

* feat(git): save git config when creating stack (#5048)

* feat(git): save git config when creating stack

* chore(fs): test fileExists

* fix(git): fix tests to use CloneRepository

* refactor(git): move options to new object

* feat(stacks): redeploy git stack api (#5112)

* feat(stacks): redeploy git stacks form

[EE-666]

* feat(stack): show loading after confirmation

* fix(stacks): show same size description

* fix(stacks): reload state when deployed

* feat(stacks): set stopped stacks status to activate when updating

* feat(stacks): backup stack folder before cloning

* feat(stacks): don't accept prune and env on update git

Co-authored-by: Chaim Lev-Ari <chiptus@users.noreply.github.com>
Co-authored-by: Chaim Lev-Ari <chiptus@gmail.com>

api/filesystem/filesystem.go

@@ -279,13 +279,7 @@ func (service *Service) WriteJSONToFile(path string, content interface{}) error
 
 // FileExists checks for the existence of the specified file.
 func (service *Service) FileExists(filePath string) (bool, error) {
-	if _, err := os.Stat(filePath); err != nil {
-		if os.IsNotExist(err) {
-			return false, nil
-		}
-		return false, err
-	}
-	return true, nil
+	return FileExists(filePath)
 }
 
 // KeyPairFilesExist checks for the existence of the key files.
@@ -510,3 +504,31 @@ func (service *Service) GetTemporaryPath() (string, error) {
 func (service *Service) GetDatastorePath() string {
 	return service.dataStorePath
 }
+
+// FileExists checks for the existence of the specified file.
+func FileExists(filePath string) (bool, error) {
+	if _, err := os.Stat(filePath); err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	return true, nil
+}
+
+func MoveDirectory(originalPath, newPath string) error {
+	if _, err := os.Stat(originalPath); err != nil {
+		return err
+	}
+
+	alreadyExists, err := FileExists(newPath)
+	if err != nil {
+		return err
+	}
+
+	if alreadyExists {
+		return errors.New("Target path already exists")
+	}
+
+	return os.Rename(originalPath, newPath)
+}

api/filesystem/filesystem_fileexists_test.go

@@ -0,0 +1,55 @@
+package filesystem
+
+import (
+	"fmt"
+	"math/rand"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_fileSystemService_FileExists_whenFileExistsShouldReturnTrue(t *testing.T) {
+	service := createService(t)
+	testHelperFileExists_fileExists(t, service.FileExists)
+}
+
+func Test_fileSystemService_FileExists_whenFileNotExistsShouldReturnFalse(t *testing.T) {
+	service := createService(t)
+	testHelperFileExists_fileNotExists(t, service.FileExists)
+}
+
+func Test_FileExists_whenFileExistsShouldReturnTrue(t *testing.T) {
+	testHelperFileExists_fileExists(t, FileExists)
+}
+
+func Test_FileExists_whenFileNotExistsShouldReturnFalse(t *testing.T) {
+	testHelperFileExists_fileNotExists(t, FileExists)
+}
+
+func testHelperFileExists_fileExists(t *testing.T, checker func(path string) (bool, error)) {
+	file, err := os.CreateTemp("", t.Name())
+	assert.NoError(t, err, "CreateTemp should not fail")
+
+	t.Cleanup(func() {
+		os.RemoveAll(file.Name())
+	})
+
+	exists, err := checker(file.Name())
+	assert.NoError(t, err, "FileExists should not fail")
+
+	assert.True(t, exists)
+}
+
+func testHelperFileExists_fileNotExists(t *testing.T, checker func(path string) (bool, error)) {
+	filePath := path.Join(os.TempDir(), fmt.Sprintf("%s%d", t.Name(), rand.Int()))
+
+	err := os.RemoveAll(filePath)
+	assert.NoError(t, err, "RemoveAll should not fail")
+
+	exists, err := checker(filePath)
+	assert.NoError(t, err, "FileExists should not fail")
+
+	assert.False(t, exists)
+}

api/filesystem/filesystem_move_test.go

@@ -0,0 +1,49 @@
+package filesystem
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// temporary function until upgrade to 1.16
+func tempDir(t *testing.T) string {
+	tmpDir, err := os.MkdirTemp("", "dir")
+	assert.NoError(t, err, "MkdirTemp should not fail")
+
+	return tmpDir
+}
+
+func Test_movePath_shouldFailIfOriginalPathDoesntExist(t *testing.T) {
+	tmpDir := tempDir(t)
+	missingPath := path.Join(tmpDir, "missing")
+	targetPath := path.Join(tmpDir, "target")
+
+	defer os.RemoveAll(tmpDir)
+
+	err := MoveDirectory(missingPath, targetPath)
+	assert.Error(t, err, "move directory should fail when target path exists")
+}
+
+func Test_movePath_shouldFailIfTargetPathDoesExist(t *testing.T) {
+	originalPath := tempDir(t)
+	missingPath := tempDir(t)
+
+	defer os.RemoveAll(originalPath)
+	defer os.RemoveAll(missingPath)
+
+	err := MoveDirectory(originalPath, missingPath)
+	assert.Error(t, err, "move directory should fail when target path exists")
+}
+
+func Test_movePath_success(t *testing.T) {
+	originalPath := tempDir(t)
+
+	defer os.RemoveAll(originalPath)
+
+	err := MoveDirectory(originalPath, fmt.Sprintf("%s-old", originalPath))
+	assert.NoError(t, err)
+}

api/filesystem/filesystem_test.go

@@ -0,0 +1,22 @@
+package filesystem
+
+import (
+	"os"
+	"path"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func createService(t *testing.T) *Service {
+	dataStorePath := path.Join(os.TempDir(), t.Name())
+
+	service, err := NewService(dataStorePath, "")
+	assert.NoError(t, err, "NewService should not fail")
+
+	t.Cleanup(func() {
+		os.RemoveAll(dataStorePath)
+	})
+
+	return service
+}