refactor(libstack): move library to portainer [EE-5474] (#9120)

pkg/libstack/compose/internal/utils/utils.go

@@ -0,0 +1,60 @@
+package utils
+
+import (
+	"os"
+	"os/exec"
+	"path"
+	"runtime"
+
+	"github.com/pkg/errors"
+)
+
+func osProgram(program string) string {
+	if runtime.GOOS == "windows" {
+		program += ".exe"
+	}
+	return program
+}
+
+func ProgramPath(rootPath, program string) string {
+	return path.Join(rootPath, osProgram(program))
+}
+
+// IsBinaryPresent check if docker compose binary is present
+func IsBinaryPresent(program string) bool {
+	_, err := exec.LookPath(program)
+	return err == nil
+}
+
+// Copy copies sourcePath to destinationPath
+func Copy(sourcePath, destinationPath string) error {
+	si, err := os.Stat(sourcePath)
+	if err != nil {
+		return errors.WithMessage(err, "file check failed")
+	}
+
+	input, err := os.ReadFile(sourcePath)
+	if err != nil {
+		return errors.WithMessage(err, "failed reading file")
+	}
+
+	err = os.WriteFile(destinationPath, input, si.Mode())
+	if err != nil {
+		return errors.WithMessage(err, "failed writing file")
+	}
+
+	return nil
+}
+
+// Move sourcePath to destinationPath
+func Move(sourcePath, destinationPath string) error {
+	if err := Copy(sourcePath, destinationPath); err != nil {
+		return err
+	}
+
+	if err := os.Remove(sourcePath); err != nil {
+		return err
+	}
+
+	return nil
+}

pkg/libstack/compose/internal/utils/utils_test.go

@@ -0,0 +1,33 @@
+package utils
+
+import (
+	"testing"
+)
+
+func TestIsBinaryPresent(t *testing.T) {
+	type testCase struct {
+		Name     string
+		Binary   string
+		Expected bool
+	}
+	testCases := []testCase{
+		{
+			Name:     "not existing",
+			Binary:   "qwgq-er-gerw",
+			Expected: false,
+		},
+		{
+			Name:     "docker-compose exists",
+			Binary:   "docker-compose",
+			Expected: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		got := IsBinaryPresent(tc.Binary)
+		if got != tc.Expected {
+			t.Errorf("Error in test %s got = %v, and Expected = %v.", tc.Name, got, tc.Expected)
+		}
+	}
+
+}