Fix loading env file (#1679)

* fix: update loading 'env_file' of docker_compose

Signed-off-by: AhmedGrati <ahmedgrati1999@gmail.com>

* test: add functional tests for loading env_file

Signed-off-by: AhmedGrati <ahmedgrati1999@gmail.com>

---------

Signed-off-by: AhmedGrati <ahmedgrati1999@gmail.com>

pkg/transformer/kubernetes/k8sutils.go

@@ -829,16 +829,9 @@ func DurationStrToSecondsInt(s string) (*int64, error) {
 }
 
 // GetEnvsFromFile get env vars from env_file
-func GetEnvsFromFile(file string, opt kobject.ConvertOptions) (map[string]string, error) {
-	// Get the correct file context / directory
-	composeDir, err := transformer.GetComposeFileDir(opt.InputFiles)
-	if err != nil {
-		return nil, errors.Wrap(err, "Unable to load file context")
-	}
-	fileLocation := path.Join(composeDir, file)
+func GetEnvsFromFile(file string) (map[string]string, error) {
 
-	// Load environment variables from file
-	envLoad, err := godotenv.Read(fileLocation)
+	envLoad, err := godotenv.Read(file)
 	if err != nil {
 		return nil, errors.Wrap(err, "Unable to read env_file")
 	}

pkg/transformer/kubernetes/kubernetes.go

@@ -220,7 +220,7 @@ func (k *Kubernetes) InitSvc(name string, service kobject.ServiceConfig) *api.Se
 
 // InitConfigMapForEnv initializes a ConfigMap object
 func (k *Kubernetes) InitConfigMapForEnv(name string, opt kobject.ConvertOptions, envFile string) *api.ConfigMap {
-	envs, err := GetEnvsFromFile(envFile, opt)
+	envs, err := GetEnvsFromFile(envFile)
 	if err != nil {
 		log.Fatalf("Unable to retrieve env file: %s", err)
 	}
@@ -1099,12 +1099,11 @@ func ConfigEnvs(service kobject.ServiceConfig, opt kobject.ConvertOptions) ([]ap
 
 	if len(service.EnvFile) > 0 {
 		// Load each env_file
-
 		for _, file := range service.EnvFile {
 			envName := FormatEnvName(file)
 
 			// Load environment variables from file
-			envLoad, err := GetEnvsFromFile(file, opt)
+			envLoad, err := GetEnvsFromFile(file)
 			if err != nil {
 				return envs, errors.Wrap(err, "Unable to read env_file")
 			}