add more bgp config schema and add increment config

Author: batmancn

dockers/docker-fpm-quagga/bgp_retain_restart.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+run_cmd () {
+    echo "$1"
+    eval $1
+}
+
+echo "Restart bgpd"
+
+run_cmd "sonic-cfggen -d -y /etc/sonic/deployment_id_asn_map.yml -t /usr/share/sonic/templates/bgpd.conf.j2 > /etc/quagga/bgpd.conf"
+run_cmd "supervisorctl stop bgpd"
+run_cmd "sleep 1"
+run_cmd "supervisorctl start bgpd"