From 7316d68353cfd6e08f007d10ea3e32fa4d083487 Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Tue, 1 Sep 2015 19:05:37 +0200

Subject: [PATCH] network/ifup: do DHCP for BOOTDEV

---

 modules.d/40network/ifup.sh | 19 ++++++++++++++-----

 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh

index db9fb085..0471c425 100755

--- a/modules.d/40network/ifup.sh

+++ b/modules.d/40network/ifup.sh

@@ -430,11 +430,20 @@ fi

 # no ip option directed at our interface?

 if [ ! -e /tmp/net.${netif}.up ]; then

-    if getargs 'ip=dhcp6'; then

-        load_ipv6

-        do_dhcp -6

-    elif getargs 'ip=dhcp'; then

-        do_dhcp -4

+    if [ -e /tmp/net.bootdev ]; then

+        BOOTDEV=$(cat /tmp/net.bootdev)

+        if [ "$netif" = "$BOOTDEV" ] || [ "$BOOTDEV" = "$(cat /sys/class/net/${netif}/address)" ]; then

+            load_ipv6

+            do_dhcp

+        fi

+    else

+        if getargs 'ip=dhcp6'; then

+            load_ipv6

+            do_dhcp -6

+        fi

+        if getargs 'ip=dhcp'; then

+            do_dhcp -4

+        fi

     fi

 fi