From a89b5587e2601c6a325e7a748f392fb8025df515 Mon Sep 17 00:00:00 2001
From: Henning Heinold <henning@itconsulting-heinold.de>
Date: Tue, 19 May 2015 17:23:39 +0200
Subject: [PATCH] image-static-dns.bb: new image snippet to set a static dns
 configuration

Fixes: SYS#1126
---
 recipes-apps/images/image-static-dns.inc | 29 ++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 recipes-apps/images/image-static-dns.inc

diff --git a/recipes-apps/images/image-static-dns.inc b/recipes-apps/images/image-static-dns.inc
new file mode 100644
index 0000000..26bae49
--- /dev/null
+++ b/recipes-apps/images/image-static-dns.inc
@@ -0,0 +1,29 @@
+# set the variables DNS_SERVER, DNS_DOMAIN or DNS_SEARCH in your image file
+# and require this file afterwards
+
+DNSSERVER = "${@d.getVar('DNS_SERVER', True) or ''}"
+DNSDOMAIN = "${@d.getVar('DNS_DOMAIN', True) or ''}"
+DNSSEARCH = "${@d.getVar('DNS_SEARCH', True) or ''}"
+
+ROOTFS_POSTPROCESS_COMMAND += "set_static_dns;"
+
+set_static_dns() {
+    echo "#created by image-static-dns.inc" > ${IMAGE_ROOTFS}/etc/resolv.conf
+    if [ -n "${DNSSERVER}" ]; then
+        printf "setting DNS-server\n"
+        echo "nameserver ${DNSSERVER}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
+    fi
+    if [ -n "${DNSDOMAIN}" ]; then
+        printf "setting DNS-domain\n"
+        echo "domain ${DNSDOMAIN}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
+    fi
+
+    if [ -n "${DNSSEARCH}" ]; then
+        printf "seting DNS-search\n"
+        echo "search ${DNSSEARCH}" >> ${IMAGE_ROOTFS}/etc/resolv.conf
+    fi
+
+    if [ -w ${IMAGE_ROOTFS}/default/udhcpc ]; then
+        sed -i -e "s/^#.*\(STATIC_DNS\).*$/\1=yes/g" ${IMAGE_ROOTFS}/default/udhcpc
+    fi
+}