feat: rename etcd.ssl to etcd.ssl_options

apps/emqx_conf/src/emqx_conf.app.src

@@ -1,6 +1,6 @@
 {application, emqx_conf, [
     {description, "EMQX configuration management"},
-    {vsn, "0.1.17"},
+    {vsn, "0.1.18"},
     {registered, []},
     {mod, {emqx_conf_app, []}},
     {applications, [kernel, stdlib, emqx_ctl]},

apps/emqx_conf/src/emqx_conf_schema.erl

@@ -335,11 +335,12 @@ fields(cluster_etcd) ->
                     desc => ?DESC(cluster_etcd_node_ttl)
                 }
             )},
-        {"ssl",
+        {"ssl_options",
             sc(
                 ?R_REF(emqx_schema, "ssl_client_opts"),
                 #{
                     desc => ?DESC(cluster_etcd_ssl),
+                    alias => [ssl],
                     'readOnly' => true
                 }
             )}