feat: Environment and Environment Values (#267)

Resolves #253

valuesfile/valuesfile.go

@@ -2,6 +2,7 @@ package valuesfile
 
 import (
 	"fmt"
+	"github.com/roboll/helmfile/environment"
 	"github.com/roboll/helmfile/tmpl"
 	"strings"
 )
@@ -11,10 +12,10 @@ type renderer struct {
 	tmplFileRenderer tmpl.FileRenderer
 }
 
-func NewRenderer(readFile func(filename string) ([]byte, error), basePath string) *renderer {
+func NewRenderer(readFile func(filename string) ([]byte, error), basePath string, env environment.Environment) *renderer {
 	return &renderer{
 		readFile:         readFile,
-		tmplFileRenderer: tmpl.NewFileRenderer(readFile, basePath),
+		tmplFileRenderer: tmpl.NewFileRenderer(readFile, basePath, env),
 	}
 }
 

valuesfile/valuesfile_test.go

@@ -2,6 +2,7 @@ package valuesfile
 
 import (
 	"fmt"
+	"github.com/roboll/helmfile/environment"
 	"reflect"
 	"testing"
 )
@@ -24,7 +25,7 @@ func TestRenderToBytes_Gotmpl(t *testing.T) {
 			return []byte(dataFileContent), nil
 		}
 		return nil, fmt.Errorf("unexpected filename: expected=%v or %v, actual=%s", dataFile, valuesTmplFile, filename)
-	}, "")
+	}, "", environment.EmptyEnvironment)
 	buf, err := r.RenderToBytes(valuesTmplFile)
 	if err != nil {
 		t.Errorf("unexpected error: %v", err)
@@ -49,7 +50,7 @@ func TestRenderToBytes_Yaml(t *testing.T) {
 			return []byte(valuesYamlContent), nil
 		}
 		return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", valuesFile, filename)
-	}, "")
+	}, "", environment.EmptyEnvironment)
 	buf, err := r.RenderToBytes(valuesFile)
 	if err != nil {
 		t.Errorf("unexpected error: %v", err)