Fix quote function in template to render pointers properly

internal/ingress/controller/template/template.go

@@ -219,6 +219,8 @@ func quote(input interface{}) string {
 		inputStr = input
 	case fmt.Stringer:
 		inputStr = input.String()
+	case *string:
+		inputStr = *input
 	default:
 		inputStr = fmt.Sprintf("%v", input)
 	}

internal/ingress/controller/template/template_test.go

@@ -256,10 +256,12 @@ func TestFormatIP(t *testing.T) {
 }
 
 func TestQuote(t *testing.T) {
+	foo := "foo"
 	cases := map[interface{}]string{
 		"foo":      `"foo"`,
 		"\"foo\"":  `"\"foo\""`,
 		"foo\nbar": `"foo\nbar"`,
+		&foo:       `"foo"`,
 		10:         `"10"`,
 	}
 	for input, output := range cases {