1 files changed, 48 insertions, 0 deletions
diff --git a/deps/rabbitmq_management/src/rabbit_mgmt_wm_health_check_virtual_hosts.erl b/deps/rabbitmq_management/src/rabbit_mgmt_wm_health_check_virtual_hosts.erl
new file mode 100644
index 0000000000..0bc9680adc
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+++ b/deps/rabbitmq_management/src/rabbit_mgmt_wm_health_check_virtual_hosts.erl
@@ -0,0 +1,48 @@
+%% This Source Code Form is subject to the terms of the Mozilla Public
+%% License, v. 2.0. If a copy of the MPL was not distributed with this
+%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
+%%
+%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates.  All rights reserved.
+%%
+
+%% An HTTP API counterpart of 'rabbitmq-diagnostics check_virtual_hosts'
+-module(rabbit_mgmt_wm_health_check_virtual_hosts).
+
+-export([init/2, to_json/2, content_types_provided/2, is_authorized/2]).
+-export([resource_exists/2]).
+-export([variances/2]).
+
+-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
+
+%%--------------------------------------------------------------------
+
+init(Req, _State) ->
+    {cowboy_rest, rabbit_mgmt_headers:set_common_permission_headers(Req, ?MODULE), #context{}}.
+
+variances(Req, Context) ->
+    {[<<"accept-encoding">>, <<"origin">>], Req, Context}.
+
+content_types_provided(ReqData, Context) ->
+   {rabbit_mgmt_util:responder_map(to_json), ReqData, Context}.
+
+resource_exists(ReqData, Context) ->
+    {true, ReqData, Context}.
+
+to_json(ReqData, Context) ->
+    case rabbit_vhost_sup_sup:check() of
+        [] ->
+            rabbit_mgmt_util:reply([{status, ok}], ReqData, Context);
+        Vs when length(Vs) > 0 ->
+            Msg = <<"Some virtual hosts are down">>,
+            failure(Msg, Vs, ReqData, Context)
+    end.
+
+failure(Message, Vs, ReqData, Context) ->
+    {Response, ReqData1, Context1} = rabbit_mgmt_util:reply([{status, failed},
+                                                             {reason, Message},
+                                                             {'virtual-hosts', Vs}],
+                                                            ReqData, Context),
+    {stop, cowboy_req:reply(503, #{}, Response, ReqData1), Context1}.
+
+is_authorized(ReqData, Context) ->
+    rabbit_mgmt_util:is_authorized(ReqData, Context).