From db1ed764733b5c8e89b857a4c4c19c238552fb81 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Thu, 14 Oct 2021 11:50:05 +0300
Subject: [PATCH] [#351] container: Add default value for NNS zone

Define `SysAttributeZoneDefault` constant for default zone in V2 code. Add
`SetNativeName` function which sets name with default zone.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/container/attribute.go      |  7 +++++++
 pkg/container/attribute_test.go | 13 +++++++++++++
 v2/container/attributes.go      |  3 +++
 3 files changed, 23 insertions(+)

diff --git a/pkg/container/attribute.go b/pkg/container/attribute.go
index 0219005..fc87062 100644
--- a/pkg/container/attribute.go
+++ b/pkg/container/attribute.go
@@ -109,11 +109,18 @@ func iterateAttributes(c *Container, f func(*Attribute) bool) {
 }
 
 // SetNativeNameWithZone sets container native name and its zone.
+//
+// Use SetNativeName to set default zone.
 func SetNativeNameWithZone(c *Container, name, zone string) {
 	setAttribute(c, container.SysAttributeName, name)
 	setAttribute(c, container.SysAttributeZone, zone)
 }
 
+// SetNativeName sets container native name with default zone (container).
+func SetNativeName(c *Container, name string) {
+	SetNativeNameWithZone(c, name, container.SysAttributeZoneDefault)
+}
+
 // GetNativeNameWithZone returns container native name and its zone.
 func GetNativeNameWithZone(c *Container) (name string, zone string) {
 	iterateAttributes(c, func(a *Attribute) bool {
diff --git a/pkg/container/attribute_test.go b/pkg/container/attribute_test.go
index 65967c4..4078c64 100644
--- a/pkg/container/attribute_test.go
+++ b/pkg/container/attribute_test.go
@@ -140,3 +140,16 @@ func TestGetNameWithZone(t *testing.T) {
 		require.Equal(t, item.zone, zone, item.zone)
 	}
 }
+
+func TestSetNativeName(t *testing.T) {
+	c := container.New()
+
+	const nameDefZone = "some name"
+
+	container.SetNativeName(c, nameDefZone)
+
+	name, zone := container.GetNativeNameWithZone(c)
+
+	require.Equal(t, nameDefZone, name)
+	require.Equal(t, containerv2.SysAttributeZoneDefault, zone)
+}
diff --git a/v2/container/attributes.go b/v2/container/attributes.go
index 467be48..9f90edb 100644
--- a/v2/container/attributes.go
+++ b/v2/container/attributes.go
@@ -13,3 +13,6 @@ const (
 	// SysAttributeZone is a string of zone for container name.
 	SysAttributeZone = SysAttributePrefix + "ZONE"
 )
+
+// SysAttributeZoneDefault is a default value for SysAttributeZone attribute.
+const SysAttributeZoneDefault = "container"