added support for multiple-compose files

pkg/transformer/openshift/openshift.go

@@ -112,7 +112,9 @@ func getGitCurrentBranch(composeFileDir string) (string, error) {
 }
 
 // getComposeFileDir returns compose file directory
-func getComposeFileDir(inputFile string) (string, error) {
+func getComposeFileDir(inputFiles []string) (string, error) {
+	// Lets assume all the docker-compose files are in the same directory
+	inputFile := inputFiles[0]
 	if strings.Index(inputFile, "/") != 0 {
 		workDir, err := os.Getwd()
 		if err != nil {
@@ -332,7 +334,7 @@ func (o *OpenShift) Transform(komposeObject kobject.KomposeObject, opt kobject.C
 			// buildconfig needs to be added to objects after imagestream because of this Openshift bug: https://github.com/openshift/origin/issues/4518
 			if service.Build != "" {
 				if !hasBuild {
-					composeFileDir, err = getComposeFileDir(opt.InputFile)
+					composeFileDir, err = getComposeFileDir(opt.InputFiles)
 					if err != nil {
 						logrus.Warningf("Error in detecting compose file's directory.")
 						continue

pkg/transformer/openshift/openshift_test.go

@@ -214,17 +214,17 @@ func TestGetComposeFileDir(t *testing.T) {
 	wd, _ := os.Getwd()
 
 	testCases := map[string]struct {
-		inputFile string
-		output    string
+		inputFiles []string
+		output     string
 	}{
-		"Get compose file dir for relative input file path": {"foo/bar.yaml", filepath.Join(wd, "foo")},
-		"Get compose file dir for abs input file path":      {"/abs/path/to/compose.yaml", "/abs/path/to"},
+		"Get compose file dir for relative input file path": {[]string{"foo/bar.yaml"}, filepath.Join(wd, "foo")},
+		"Get compose file dir for abs input file path":      {[]string{"/abs/path/to/compose.yaml"}, "/abs/path/to"},
 	}
 
 	for name, test := range testCases {
 		t.Log("Test case: ", name)
 
-		output, err = getComposeFileDir(test.inputFile)
+		output, err = getComposeFileDir(test.inputFiles)
 
 		if err != nil {
 			t.Errorf("Expected success, got error: %#v", err)