Apply patch to support systemd notify

Information about this patch could be found in:
 - https://peter.fedorapeople.org/rabbitmq-server-0001-Add-systemd-notify-support.patch
or
 - http://pkgs.fedoraproject.org/cgit/rabbitmq-server.git/commit/?id=eea61e0

1 files changed, 18 insertions, 1 deletions

diff --git a/src/rabbit.erl b/src/rabbit.erl
index 664da206..f923cb01 100644
--- a/src/rabbit.erl
+++ b/src/rabbit.erl
@@ -375,7 +375,8 @@ start_apps(Apps) ->
         true  -> ok                    %% will run during start of rabbit app
     end,
     ok = app_utils:start_applications(OrderedApps,
-                                      handle_app_error(could_not_start)).
+                                      handle_app_error(could_not_start)),
+    ok = notify_startup().
 
 stop_apps(Apps) ->
     ok = app_utils:stop_applications(
@@ -883,3 +884,19 @@ start_fhc() ->
     rabbit_sup:start_restartable_child(
       file_handle_cache,
       [fun rabbit_alarm:set_alarm/1, fun rabbit_alarm:clear_alarm/1]).
+
+have_systemd_notify() ->
+    try sd_notify:module_info() of
+        _InfoList ->
+            true
+    catch
+        _:_ ->
+            false
+    end.
+
+notify_startup() ->
+    case have_systemd_notify() of
+        true ->
+            sd_notify:sd_notify(0, "READY=1");
+        _ -> ok
+    end.