feat: add listener bind ip config.

etc/emqx.conf

@@ -301,6 +301,17 @@ node.crash_dump = {{ platform_log_dir }}/crash.dump
 ## vm.args: -kernel net_ticktime Number
 ## node.dist_net_ticktime = 120
 
+## If the host of an Erlang node has many network interfaces,
+## this parameter specifies which one to listen on.
+## For the type definition of ip_address(), see inet(3).
+##
+## See: http://www.erlang.org/doc/man/kernel_app.html
+##
+## Value: IP Address, [0-255].[0-255].[0-255].[0-255]
+## Default: 0.0.0.0
+## 0.0.0.0 means all network interfaces.
+node.dist_use_interface = 0.0.0.0
+
 ## Sets the port range for the listener socket of a distributed Erlang node.
 ## Note that if there are firewalls between clustered nodes, this port segment
 ## for nodes’ communication should be allowed.
@@ -341,6 +352,8 @@ rpc.async_batch_size = 256
 ## Defaults to `stateless`.
 rpc.port_discovery = stateless
 
+rpc.tcp_server_ip = 0.0.0.0
+
 ## TCP port number for RPC server to listen on.
 ##
 ## Only takes effect when `rpc.port_discovery` = `manual`.

priv/emqx.schema

@@ -344,6 +344,23 @@ end}.
   hidden
 ]}.
 
+%% @doc http://www.erlang.org/doc/man/kernel_app.html#net_ticktime
+{mapping, "node.dist_use_interface", "kernel.inet_dist_use_interface", [
+  {commented, "0.0.0.0"},
+  {datatype, string}
+]}.
+
+{translation, "kernel.inet_dist_use_interface",
+fun(Conf) ->
+  Addr = cuttlefish:conf_get("node.dist_use_interface", Conf, "0.0.0.0"),
+  case inet:parse_address(Addr) of
+    {ok, IP} ->
+      IP;
+    _ ->
+      error({bad_node_dist_use_interface, Addr})
+  end
+end}.
+
 %% @doc http://www.erlang.org/doc/man/kernel_app.html
 {mapping, "node.dist_listen_min", "kernel.inet_dist_listen_min", [
   {commented, 6369},