From 26a22667b2adf5b61ea6abae3db09856781e9b43 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@google.com>
Date: Sat, 2 Jun 2018 17:38:17 +0200
Subject: [PATCH] netconfig: missing lease.json is no error

---
 internal/netconfig/netconfig.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/internal/netconfig/netconfig.go b/internal/netconfig/netconfig.go
index 78e18d4..da65793 100644
--- a/internal/netconfig/netconfig.go
+++ b/internal/netconfig/netconfig.go
@@ -37,6 +37,9 @@ func subnetMaskSize(mask string) (int, error) {
 func applyDhcp4(iface, dir string) error {
 	b, err := ioutil.ReadFile(filepath.Join(dir, "dhcp4/wire/lease.json"))
 	if err != nil {
+		if os.IsNotExist(err) {
+			return nil // dhcp4 might not have obtained a lease yet
+		}
 		return err
 	}
 	var got dhcp4.Config
@@ -105,6 +108,9 @@ func applyDhcp4(iface, dir string) error {
 func applyDhcp6(iface, dir string) error {
 	b, err := ioutil.ReadFile(filepath.Join(dir, "dhcp6/wire/lease.json"))
 	if err != nil {
+		if os.IsNotExist(err) {
+			return nil // dhcp6 might not have obtained a lease yet
+		}
 		return err
 	}
 	var got dhcp6.Config