Support dns bootoption.

Usage examples: dns=8.8.8.8 / dns=8.8.8.8,1.2.3.4
grml · Aug 21, 2015 · 6f465dd · 6f465dd
1 parent da50dd4
commit 6f465dd
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diff --git a/components/9990-cmdline-old b/components/9990-cmdline-old
@@ -17,7 +17,12 @@ Cmdline_old ()
 			BOOTIF=*)
 				BOOTIF="${_PARAMETER#BOOTIF=}"
 				;;
-
+			dns=*)
+				DNS=${_PARAMETER#dns=}
+				DNSSERVERS=$(echo ${DNS} | sed 's/,/ /g')
+				export DNSSERVERS
+				unset DNS
+				;;
 			dhcp)
 				# Force dhcp even while netbooting
 				# Use for debugging in case somebody works on fixing dhclient

diff --git a/components/9990-networking.sh b/components/9990-networking.sh
@@ -151,7 +151,7 @@ do_netsetup ()
 				echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
 			fi
 
-			for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
+			for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} ${DNSSERVERS}
 			do
 				if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
 				then