feat: abra app cp enhancements

cli/app/cp.go

@@ -2,19 +2,24 @@ package app
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"io"
 	"os"
+	"path"
+	"path/filepath"
 	"strings"
 
 	"coopcloud.tech/abra/cli/internal"
 	"coopcloud.tech/abra/pkg/autocomplete"
 	"coopcloud.tech/abra/pkg/client"
-	"coopcloud.tech/abra/pkg/config"
-	"coopcloud.tech/abra/pkg/container"
+	containerPkg "coopcloud.tech/abra/pkg/container"
 	"coopcloud.tech/abra/pkg/formatter"
+	"coopcloud.tech/abra/pkg/upstream/container"
+	"github.com/docker/cli/cli/command"
 	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/filters"
 	dockerClient "github.com/docker/docker/client"
+	"github.com/docker/docker/errdefs"
 	"github.com/docker/docker/pkg/archive"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
@@ -49,46 +54,14 @@ And if you want to copy that file back to your current working directory locally
 		dst := c.Args().Get(2)
 		if src == "" {
 			logrus.Fatal("missing <src> argument")
-		} else if dst == "" {
+		}
+		if dst == "" {
 			logrus.Fatal("missing <dest> argument")
 		}
 
-		parsedSrc := strings.SplitN(src, ":", 2)
-		parsedDst := strings.SplitN(dst, ":", 2)
-		errorMsg := "one of <src>/<dest> arguments must take $SERVICE:$PATH form"
-		if len(parsedSrc) == 2 && len(parsedDst) == 2 {
-			logrus.Fatal(errorMsg)
-		} else if len(parsedSrc) != 2 {
-			if len(parsedDst) != 2 {
-				logrus.Fatal(errorMsg)
-			}
-		} else if len(parsedDst) != 2 {
-			if len(parsedSrc) != 2 {
-				logrus.Fatal(errorMsg)
-			}
-		}
-
-		var service string
-		var srcPath string
-		var dstPath string
-		isToContainer := false // <container:src> <dst>
-		if len(parsedSrc) == 2 {
-			service = parsedSrc[0]
-			srcPath = parsedSrc[1]
-			dstPath = dst
-			logrus.Debugf("assuming transfer is coming FROM the container")
-		} else if len(parsedDst) == 2 {
-			service = parsedDst[0]
-			dstPath = parsedDst[1]
-			srcPath = src
-			isToContainer = true // <src> <container:dst>
-			logrus.Debugf("assuming transfer is going TO the container")
-		}
-
-		if isToContainer {
-			if _, err := os.Stat(srcPath); os.IsNotExist(err) {
-				logrus.Fatalf("%s does not exist locally?", srcPath)
-			}
+		srcPath, dstPath, service, toContainer, err := parseSrcAndDst(src, dst)
+		if err != nil {
+			logrus.Fatal(err)
 		}
 
 		cl, err := client.New(app.Server)
@@ -96,7 +69,18 @@ And if you want to copy that file back to your current working directory locally
 			logrus.Fatal(err)
 		}
 
-		if err := configureAndCp(c, cl, app, srcPath, dstPath, service, isToContainer); err != nil {
+		container, err := containerPkg.GetContainerFromStackAndService(cl, app.StackName(), service)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+		logrus.Debugf("retrieved %s as target container on %s", formatter.ShortenID(container.ID), app.Server)
+
+		if toContainer {
+			err = copyToContainer(cl, container.ID, srcPath, dstPath)
+		} else {
+			err = copyFromContainer(cl, container.ID, srcPath, dstPath)
+		}
+		if err != nil {
 			logrus.Fatal(err)
 		}
 
@@ -104,46 +88,292 @@ And if you want to copy that file back to your current working directory locally
 	},
 }
 
-func configureAndCp(
-	c *cli.Context,
-	cl *dockerClient.Client,
-	app config.App,
-	srcPath string,
-	dstPath string,
-	service string,
-	isToContainer bool) error {
-	filters := filters.NewArgs()
-	filters.Add("name", fmt.Sprintf("^%s_%s", app.StackName(), service))
+var errServiceMissing = errors.New("one of <src>/<dest> arguments must take $SERVICE:$PATH form")
 
-	container, err := container.GetContainer(context.Background(), cl, filters, internal.NoInput)
+// parseSrcAndDst parses src and dest string. One of src or dst must be of the form $SERVICE:$PATH
+func parseSrcAndDst(src, dst string) (srcPath string, dstPath string, service string, toContainer bool, err error) {
+	parsedSrc := strings.SplitN(src, ":", 2)
+	parsedDst := strings.SplitN(dst, ":", 2)
+	if len(parsedSrc)+len(parsedDst) != 3 {
+		return "", "", "", false, errServiceMissing
+	}
+	if len(parsedSrc) == 2 {
+		return parsedSrc[1], dst, parsedSrc[0], false, nil
+	}
+	if len(parsedDst) == 2 {
+		return src, parsedDst[1], parsedDst[0], true, nil
+	}
+	return "", "", "", false, errServiceMissing
+}
+
+// copyToContainer copies a file or directory from the local file system to the container.
+// See the possible copy modes and their documentation.
+func copyToContainer(cl *dockerClient.Client, containerID, srcPath, dstPath string) error {
+	srcStat, err := os.Stat(srcPath)
 	if err != nil {
-		logrus.Fatal(err)
+		return fmt.Errorf("local %s ", err)
 	}
 
-	logrus.Debugf("retrieved %s as target container on %s", formatter.ShortenID(container.ID), app.Server)
+	dstStat, err := cl.ContainerStatPath(context.Background(), containerID, dstPath)
+	dstExists := true
+	if err != nil {
+		if errdefs.IsNotFound(err) {
+			dstExists = false
+		} else {
+			return fmt.Errorf("remote path: %s", err)
+		}
+	}
 
-	if isToContainer {
-		toTarOpts := &archive.TarOptions{NoOverwriteDirNonDir: true, Compression: archive.Gzip}
-		content, err := archive.TarWithOptions(srcPath, toTarOpts)
-		if err != nil {
-			logrus.Fatal(err)
-		}
+	mode, err := copyMode(srcPath, dstPath, srcStat.Mode(), dstStat.Mode, dstExists)
+	if err != nil {
+		return err
+	}
+	movePath := ""
+	switch mode {
+	case CopyModeDirToDir:
+		// Add the src directory to the destination path
+		_, srcDir := path.Split(srcPath)
+		dstPath = path.Join(dstPath, srcDir)
 
-		copyOpts := types.CopyToContainerOptions{AllowOverwriteDirWithFile: false, CopyUIDGID: false}
-		if err := cl.CopyToContainer(context.Background(), container.ID, dstPath, content, copyOpts); err != nil {
-			logrus.Fatal(err)
-		}
-	} else {
-		content, _, err := cl.CopyFromContainer(context.Background(), container.ID, srcPath)
+		// Make sure the dst directory exits.
+		dcli, err := command.NewDockerCli()
 		if err != nil {
-			logrus.Fatal(err)
+			return err
 		}
-		defer content.Close()
-		fromTarOpts := &archive.TarOptions{NoOverwriteDirNonDir: true, Compression: archive.Gzip}
-		if err := archive.Untar(content, dstPath, fromTarOpts); err != nil {
-			logrus.Fatal(err)
+		if err := container.RunExec(dcli, cl, containerID, &types.ExecConfig{
+			AttachStderr: true,
+			AttachStdin:  true,
+			AttachStdout: true,
+			Cmd:          []string{"mkdir", "-p", dstPath},
+			Detach:       false,
+			Tty:          true,
+		}); err != nil {
+			return fmt.Errorf("create remote directory: %s", err)
+		}
+	case CopyModeFileToFile:
+		// Remove the file component from the path, since docker can only copy
+		// to a directory.
+		dstPath, _ = path.Split(dstPath)
+	case CopyModeFileToFileRename:
+		// Copy the file to the temp directory and move it to its dstPath
+		// afterwards.
+		movePath = dstPath
+		dstPath = "/tmp"
+	}
+
+	toTarOpts := &archive.TarOptions{IncludeSourceDir: true, NoOverwriteDirNonDir: true, Compression: archive.Gzip}
+	content, err := archive.TarWithOptions(srcPath, toTarOpts)
+	if err != nil {
+		return err
+	}
+
+	logrus.Debugf("copy %s from local to %s on container", srcPath, dstPath)
+	copyOpts := types.CopyToContainerOptions{AllowOverwriteDirWithFile: false, CopyUIDGID: false}
+	if err := cl.CopyToContainer(context.Background(), containerID, dstPath, content, copyOpts); err != nil {
+		return err
+	}
+
+	if movePath != "" {
+		_, srcFile := path.Split(srcPath)
+		dcli, err := command.NewDockerCli()
+		if err != nil {
+			return err
+		}
+		if err := container.RunExec(dcli, cl, containerID, &types.ExecConfig{
+			AttachStderr: true,
+			AttachStdin:  true,
+			AttachStdout: true,
+			Cmd:          []string{"mv", path.Join("/tmp", srcFile), movePath},
+			Detach:       false,
+			Tty:          true,
+		}); err != nil {
+			return fmt.Errorf("create remote directory: %s", err)
 		}
 	}
 
 	return nil
 }
+
+// copyFromContainer copies a file or directory from the given container to the local file system.
+// See the possible copy modes and their documentation.
+func copyFromContainer(cl *dockerClient.Client, containerID, srcPath, dstPath string) error {
+	srcStat, err := cl.ContainerStatPath(context.Background(), containerID, srcPath)
+	if err != nil {
+		if errdefs.IsNotFound(err) {
+			return fmt.Errorf("remote: %s does not exist", srcPath)
+		} else {
+			return fmt.Errorf("remote path: %s", err)
+		}
+	}
+
+	dstStat, err := os.Stat(dstPath)
+	dstExists := true
+	var dstMode os.FileMode
+	if err != nil {
+		if os.IsNotExist(err) {
+			dstExists = false
+		} else {
+			return fmt.Errorf("remote path: %s", err)
+		}
+	} else {
+		dstMode = dstStat.Mode()
+	}
+
+	mode, err := copyMode(srcPath, dstPath, srcStat.Mode, dstMode, dstExists)
+	if err != nil {
+		return err
+	}
+
+	moveDstDir := ""
+	moveDstFile := ""
+	switch mode {
+	case CopyModeFileToFile:
+		// Remove the file component from the path, since docker can only copy
+		// to a directory.
+		dstPath, _ = path.Split(dstPath)
+	case CopyModeFileToFileRename:
+		// Copy the file to the temp directory and move it to its dstPath
+		// afterwards.
+		moveDstFile = dstPath
+		dstPath = "/tmp"
+	case CopyModeFilesToDir:
+		// Copy the directory to the temp directory and move it to its
+		// dstPath afterwards.
+		moveDstDir = path.Join(dstPath, "/")
+		dstPath = "/tmp"
+
+		// Make sure the temp directory always gets removed
+		defer os.Remove(path.Join("/tmp"))
+	}
+
+	content, _, err := cl.CopyFromContainer(context.Background(), containerID, srcPath)
+	if err != nil {
+		return fmt.Errorf("copy: %s", err)
+	}
+	defer content.Close()
+	if err := archive.Untar(content, dstPath, &archive.TarOptions{
+		NoOverwriteDirNonDir: true,
+		Compression:          archive.Gzip,
+		NoLchown:             true,
+	}); err != nil {
+		return fmt.Errorf("untar: %s", err)
+	}
+
+	if moveDstFile != "" {
+		_, srcFile := path.Split(strings.TrimSuffix(srcPath, "/"))
+		if err := moveFile(path.Join("/tmp", srcFile), moveDstFile); err != nil {
+			return err
+		}
+	}
+	if moveDstDir != "" {
+		_, srcDir := path.Split(strings.TrimSuffix(srcPath, "/"))
+		if err := moveDir(path.Join("/tmp", srcDir), moveDstDir); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+var (
+	ErrCopyDirToFile  = fmt.Errorf("can't copy dir to file")
+	ErrDstDirNotExist = fmt.Errorf("destination directory does not exist")
+)
+
+type CopyMode int
+
+const (
+	// Copy a src file to a dest file. The src and dest file names are the same.
+	//  <dir_src>/<file> + <dir_dst>/<file> -> <dir_dst>/<file>
+	CopyModeFileToFile = CopyMode(iota)
+	// Copy a src file to a dest file. The src and dest file names are  not the same.
+	//  <dir_src>/<file_src> + <dir_dst>/<file_dst> -> <dir_dst>/<file_dst>
+	CopyModeFileToFileRename
+	// Copy a src file to dest directory. The dest file gets created in the dest
+	// folder with the src filename.
+	//  <dir_src>/<file> + <dir_dst> -> <dir_dst>/<file>
+	CopyModeFileToDir
+	// Copy a src directory to dest directory.
+	//  <dir_src> + <dir_dst> -> <dir_dst>/<dir_src>
+	CopyModeDirToDir
+	// Copy all files in the src directory to the dest directory. This works recursively.
+	//  <dir_src>/ + <dir_dst> -> <dir_dst>/<files_from_dir_src>
+	CopyModeFilesToDir
+)
+
+// copyMode takes a src and dest path and file mode to determine the copy mode.
+// See the possible copy modes and their documentation.
+func copyMode(srcPath, dstPath string, srcMode os.FileMode, dstMode os.FileMode, dstExists bool) (CopyMode, error) {
+	_, srcFile := path.Split(srcPath)
+	_, dstFile := path.Split(dstPath)
+	if srcMode.IsDir() {
+		if !dstExists {
+			return -1, ErrDstDirNotExist
+		}
+		if dstMode.IsDir() {
+			if strings.HasSuffix(srcPath, "/") {
+				return CopyModeFilesToDir, nil
+			}
+			return CopyModeDirToDir, nil
+		}
+		return -1, ErrCopyDirToFile
+	}
+
+	if dstMode.IsDir() {
+		return CopyModeFileToDir, nil
+	}
+
+	if srcFile != dstFile {
+		return CopyModeFileToFileRename, nil
+	}
+
+	return CopyModeFileToFile, nil
+}
+
+// moveDir moves all files from a source path to the destination path recursively.
+func moveDir(sourcePath, destPath string) error {
+	return filepath.Walk(sourcePath, func(p string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		newPath := path.Join(destPath, strings.TrimPrefix(p, sourcePath))
+		if info.IsDir() {
+			err := os.Mkdir(newPath, info.Mode())
+			if err != nil {
+				if os.IsExist(err) {
+					return nil
+				}
+				return err
+			}
+		}
+		if info.Mode().IsRegular() {
+			return moveFile(p, newPath)
+		}
+		return nil
+	})
+}
+
+// moveFile moves a file from a source path to a destination path.
+func moveFile(sourcePath, destPath string) error {
+	inputFile, err := os.Open(sourcePath)
+	if err != nil {
+		return err
+	}
+	outputFile, err := os.Create(destPath)
+	if err != nil {
+		inputFile.Close()
+		return err
+	}
+	defer outputFile.Close()
+	_, err = io.Copy(outputFile, inputFile)
+	inputFile.Close()
+	if err != nil {
+		return err
+	}
+
+	// Remove file after succesfull copy.
+	err = os.Remove(sourcePath)
+	if err != nil {
+		return err
+	}
+	return nil
+}

cli/app/cp_test.go

@@ -0,0 +1,113 @@
+package app
+
+import (
+	"os"
+	"testing"
+)
+
+func TestParse(t *testing.T) {
+	tests := []struct {
+		src         string
+		dst         string
+		srcPath     string
+		dstPath     string
+		service     string
+		toContainer bool
+		err         error
+	}{
+		{src: "foo", dst: "bar", err: errServiceMissing},
+		{src: "app:foo", dst: "app:bar", err: errServiceMissing},
+		{src: "app:foo", dst: "bar", srcPath: "foo", dstPath: "bar", service: "app", toContainer: false},
+		{src: "foo", dst: "app:bar", srcPath: "foo", dstPath: "bar", service: "app", toContainer: true},
+	}
+
+	for i, tc := range tests {
+		srcPath, dstPath, service, toContainer, err := parseSrcAndDst(tc.src, tc.dst)
+		if srcPath != tc.srcPath {
+			t.Errorf("[%d] srcPath: want (%s), got(%s)", i, tc.srcPath, srcPath)
+		}
+		if dstPath != tc.dstPath {
+			t.Errorf("[%d] dstPath: want (%s), got(%s)", i, tc.dstPath, dstPath)
+		}
+		if service != tc.service {
+			t.Errorf("[%d] service: want (%s), got(%s)", i, tc.service, service)
+		}
+		if toContainer != tc.toContainer {
+			t.Errorf("[%d] toConainer: want (%t), got(%t)", i, tc.toContainer, toContainer)
+		}
+		if err == nil && tc.err != nil && err.Error() != tc.err.Error() {
+			t.Errorf("[%d] err: want (%s), got(%s)", i, tc.err, err)
+		}
+	}
+}
+
+func TestCopyMode(t *testing.T) {
+	tests := []struct {
+		srcPath   string
+		dstPath   string
+		srcMode   os.FileMode
+		dstMode   os.FileMode
+		dstExists bool
+		mode      CopyMode
+		err       error
+	}{
+		{
+			srcPath:   "foo.txt",
+			dstPath:   "foo.txt",
+			srcMode:   os.ModePerm,
+			dstMode:   os.ModePerm,
+			dstExists: true,
+			mode:      CopyModeFileToFile,
+		},
+		{
+			srcPath:   "foo.txt",
+			dstPath:   "bar.txt",
+			srcMode:   os.ModePerm,
+			dstExists: true,
+			mode:      CopyModeFileToFileRename,
+		},
+		{
+			srcPath:   "foo",
+			dstPath:   "foo",
+			srcMode:   os.ModeDir,
+			dstMode:   os.ModeDir,
+			dstExists: true,
+			mode:      CopyModeDirToDir,
+		},
+		{
+			srcPath:   "foo/",
+			dstPath:   "foo",
+			srcMode:   os.ModeDir,
+			dstMode:   os.ModeDir,
+			dstExists: true,
+			mode:      CopyModeFilesToDir,
+		},
+		{
+			srcPath:   "foo",
+			dstPath:   "foo",
+			srcMode:   os.ModeDir,
+			dstExists: false,
+			mode:      -1,
+			err:       ErrDstDirNotExist,
+		},
+		{
+			srcPath:   "foo",
+			dstPath:   "foo",
+			srcMode:   os.ModeDir,
+			dstMode:   os.ModePerm,
+			dstExists: true,
+			mode:      -1,
+			err:       ErrCopyDirToFile,
+		},
+	}
+
+	for i, tc := range tests {
+		mode, err := copyMode(tc.srcPath, tc.dstPath, tc.srcMode, tc.dstMode, tc.dstExists)
+		if mode != tc.mode {
+			t.Errorf("[%d] mode: want (%d), got(%d)", i, tc.mode, mode)
+		}
+		if err != tc.err {
+			t.Errorf("[%d] err: want (%s), got(%s)", i, tc.err, err)
+		}
+	}
+}

go.sum

@@ -1315,6 +1315,7 @@ golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=

pkg/container/container.go

@@ -68,3 +68,15 @@ func GetContainer(c context.Context, cl *client.Client, filters filters.Args, no
 
 	return containers[0], nil
 }
+
+// GetContainerFromStackAndService retrieves the container for the given stack and service.
+func GetContainerFromStackAndService(cl *client.Client, stack, service string) (types.Container, error) {
+	filters := filters.NewArgs()
+	filters.Add("name", fmt.Sprintf("^%s_%s", stack, service))
+
+	container, err := GetContainer(context.Background(), cl, filters, true)
+	if err != nil {
+		return types.Container{}, err
+	}
+	return container, nil
+}

tests/integration/app_cp.bats

@@ -5,9 +5,11 @@ setup_file(){
   _common_setup
   _add_server
   _new_app
+  _deploy_app
 }
 
 teardown_file(){
+  _undeploy_app
   _rm_app
   _rm_server
 }
@@ -17,11 +19,29 @@ setup(){
   _common_setup
 }
 
-teardown(){
-  # https://github.com/bats-core/bats-core/issues/383#issuecomment-738628888
-  if [[ -z "${BATS_TEST_COMPLETED}" ]]; then
-    _undeploy_app
-  fi
+_mkfile() {
+  run bash -c "echo $2 > $1"
+  assert_success
+}
+
+_mkfile_remote() {
+  run $ABRA app run "$TEST_APP_DOMAIN" app "bash -c \"echo $2 > $1\""
+  assert_success
+}
+
+_mkdir() {
+  run bash -c "mkdir -p $1"
+  assert_success
+}
+
+_rm() {
+  run rm -rf "$1"
+  assert_success
+}
+
+_rm_remote() {
+  run "$ABRA" app run "$TEST_APP_DOMAIN" app rm -rf "$1"
+  assert_success
 }
 
 @test "validate app argument" {
@@ -54,68 +74,120 @@ teardown(){
   assert_output --partial 'arguments must take $SERVICE:$PATH form'
 }
 
-@test "detect 'coming FROM' syntax" {
-  run $ABRA app cp "$TEST_APP_DOMAIN" app:/myfile.txt . --debug
-  assert_failure
-  assert_output --partial 'coming FROM the container'
-}
-
-@test "detect 'going TO' syntax" {
-  run $ABRA app cp "$TEST_APP_DOMAIN" myfile.txt app:/somewhere --debug
-  assert_failure
-  assert_output --partial 'going TO the container'
-}
-
 @test "error if local file missing" {
-  run $ABRA app cp "$TEST_APP_DOMAIN" myfile.txt app:/somewhere
+  run $ABRA app cp "$TEST_APP_DOMAIN" thisfileshouldnotexist.txt app:/somewhere
   assert_failure
-  assert_output --partial 'myfile.txt does not exist locally?'
+  assert_output --partial 'local stat thisfileshouldnotexist.txt: no such file or directory'
 }
 
 # bats test_tags=slow
 @test "error if service doesn't exist" {
-  _deploy_app
+  _mkfile "$BATS_TMPDIR/myfile.txt" "foo"
 
-  run bash -c "echo foo >> $BATS_TMPDIR/myfile.txt"
-  assert_success
-
-  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" doesnt_exist:/
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" doesnt_exist:/ --debug
   assert_failure
   assert_output --partial 'no containers matching'
 
-  run rm -rf "$BATS_TMPDIR/myfile.txt"
-  assert_success
-
-  _undeploy_app
+  _rm "$BATS_TMPDIR/myfile.txt"
 }
 
 # bats test_tags=slow
-@test "copy to container" {
-  _deploy_app
-
-  run bash -c "echo foo >> $BATS_TMPDIR/myfile.txt"
-  assert_success
+@test "copy local file to container directory" {
+  _mkfile "$BATS_TMPDIR/myfile.txt" "foo"
 
   run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" app:/etc
   assert_success
 
-  run rm -rf "$BATS_TMPDIR/myfile.txt"
+  run $ABRA app run "$TEST_APP_DOMAIN" app cat /etc/myfile.txt
   assert_success
+  assert_output --partial "foo"
 
-  _undeploy_app
+  _rm "$BATS_TMPDIR/myfile.txt"
+  _rm_remote "/etc/myfile.txt"
 }
 
 # bats test_tags=slow
-@test "copy from container" {
-  _deploy_app
+@test "copy local file to container file (and override on remote)" {
+  _mkfile "$BATS_TMPDIR/myfile.txt" "foo"
 
-  run bash -c "echo foo >> $BATS_TMPDIR/myfile.txt"
+  # create
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" app:/etc/myfile.txt
   assert_success
 
-  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" app:/etc
+  run $ABRA app run "$TEST_APP_DOMAIN" app cat /etc/myfile.txt
+  assert_success
+  assert_output --partial "foo"
+
+  _mkfile "$BATS_TMPDIR/myfile.txt" "bar"
+
+  # override
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" app:/etc/myfile.txt
   assert_success
 
-  run rm -rf "$BATS_TMPDIR/myfile.txt"
+  run $ABRA app run "$TEST_APP_DOMAIN" app cat /etc/myfile.txt
+  assert_success
+  assert_output --partial "bar"
+
+  _rm "$BATS_TMPDIR/myfile.txt"
+  _rm_remote "/etc/myfile.txt"
+}
+
+# bats test_tags=slow
+@test "copy local file to container file (and rename)" {
+  _mkfile "$BATS_TMPDIR/myfile.txt" "foo"
+
+  # rename
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/myfile.txt" app:/etc/myfile2.txt
+  assert_success
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app cat /etc/myfile2.txt
+  assert_success
+  assert_output --partial "foo"
+
+  _rm "$BATS_TMPDIR/myfile.txt"
+  _rm_remote "/etc/myfile2.txt"
+}
+
+# bats test_tags=slow
+@test "copy local directory to container directory (and creates missing directory)" {
+  _mkdir "$BATS_TMPDIR/mydir"
+  _mkfile "$BATS_TMPDIR/mydir/myfile.txt" "foo"
+
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/mydir" app:/etc
+  assert_success
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app ls /etc/mydir
+  assert_success
+  assert_output --partial "myfile.txt"
+
+  _rm "$BATS_TMPDIR/mydir"
+  _rm_remote "/etc/mydir"
+}
+
+# bats test_tags=slow
+@test "copy local files to container directory" {
+  _mkdir "$BATS_TMPDIR/mydir"
+  _mkfile "$BATS_TMPDIR/mydir/myfile.txt" "foo"
+  _mkfile "$BATS_TMPDIR/mydir/myfile2.txt" "foo"
+
+  run $ABRA app cp "$TEST_APP_DOMAIN" "$BATS_TMPDIR/mydir/" app:/etc
+  assert_success
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app ls /etc/myfile.txt
+  assert_success
+  assert_output --partial "myfile.txt"
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app ls /etc/myfile2.txt
+  assert_success
+  assert_output --partial "myfile2.txt"
+
+  _rm "$BATS_TMPDIR/mydir"
+  _rm_remote "/etc/myfile*"
+}
+
+# bats test_tags=slow
+@test "copy container file to local directory" {
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo foo > /etc/myfile.txt"
   assert_success
 
   run $ABRA app cp "$TEST_APP_DOMAIN" app:/etc/myfile.txt "$BATS_TMPDIR"
@@ -123,8 +195,76 @@ teardown(){
   assert_exists "$BATS_TMPDIR/myfile.txt"
   assert bash -c "cat $BATS_TMPDIR/myfile.txt | grep -q foo"
 
-  run rm -rf "$BATS_TMPDIR/myfile.txt"
+  _rm "$BATS_TMPDIR/myfile.txt"
+  _rm_remote "/etc/myfile.txt"
+}
+
+# bats test_tags=slow
+@test "copy container file to local file" {
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo foo > /etc/myfile.txt"
   assert_success
 
-  _undeploy_app
+  run $ABRA app cp "$TEST_APP_DOMAIN" app:/etc/myfile.txt "$BATS_TMPDIR/myfile.txt"
+  assert_success
+  assert_exists "$BATS_TMPDIR/myfile.txt"
+  assert bash -c "cat $BATS_TMPDIR/myfile.txt | grep -q foo"
+
+  _rm "$BATS_TMPDIR/myfile.txt"
+  _rm_remote "/etc/myfile.txt"
+}
+
+# bats test_tags=slow
+@test "copy container file to local file and rename" {
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo foo > /etc/myfile.txt"
+  assert_success
+
+  run $ABRA app cp "$TEST_APP_DOMAIN" app:/etc/myfile.txt "$BATS_TMPDIR/myfile2.txt"
+  assert_success
+  assert_exists "$BATS_TMPDIR/myfile2.txt"
+  assert bash -c "cat $BATS_TMPDIR/myfile2.txt | grep -q foo"
+
+  _rm "$BATS_TMPDIR/myfile2.txt"
+  _rm_remote "/etc/myfile.txt"
+}
+
+# bats test_tags=slow
+@test "copy container directory to local directory" {
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo foo > /etc/myfile.txt"
+  assert_success
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo bar > /etc/myfile2.txt"
+  assert_success
+
+  mkdir "$BATS_TMPDIR/mydir"
+
+  run $ABRA app cp "$TEST_APP_DOMAIN" app:/etc "$BATS_TMPDIR/mydir"
+  assert_success
+  assert_exists "$BATS_TMPDIR/mydir/etc/myfile.txt"
+  assert_success
+  assert_exists "$BATS_TMPDIR/mydir/etc/myfile2.txt"
+
+  _rm "$BATS_TMPDIR/mydir"
+  _rm_remote "/etc/myfile.txt"
+  _rm_remote "/etc/myfile2.txt"
+}
+
+# bats test_tags=slow
+@test "copy container files to local directory" {
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo foo > /etc/myfile.txt"
+  assert_success
+
+  run $ABRA app run "$TEST_APP_DOMAIN" app bash -c "echo bar > /etc/myfile2.txt"
+  assert_success
+
+  mkdir "$BATS_TMPDIR/mydir"
+
+  run $ABRA app cp "$TEST_APP_DOMAIN" app:/etc/ "$BATS_TMPDIR/mydir"
+  assert_success
+  assert_exists "$BATS_TMPDIR/mydir/myfile.txt"
+  assert_success
+  assert_exists "$BATS_TMPDIR/mydir/myfile2.txt"
+
+  _rm "$BATS_TMPDIR/mydir"
+  _rm_remote "/etc/myfile.txt"
+  _rm_remote "/etc/myfile2.txt"
 }