update

docker/build/run_dns.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+. /build/set_hosts.sh
+
+function pre_config() {
+    if [ ! -e ${ROOT_DIR}/edge-dns/configs/api_dns.yaml ]; then
+        touch ${ROOT_DIR}/edge-dns/configs/api_dns.yaml
+cat >> ${ROOT_DIR}/edge-dns/configs/api_dns.yaml << EOF
+rpc.endpoints: [ "${ENDPOINTS}" ]
+clusterId: "${CLUSTERID}"
+secret: "${SECRET}"
+EOF
+    fi
+}
+
+ROOT_DIR='/usr/local/goedge'
+
+set_hosts
+pre_config
+${ROOT_DIR}/edge-dns/bin/edge-dns