diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/rabbit_feature_flags.erl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/rabbit_feature_flags.erl b/src/rabbit_feature_flags.erl index cdf9090cf0..9591cd691d 100644 --- a/src/rabbit_feature_flags.erl +++ b/src/rabbit_feature_flags.erl @@ -246,6 +246,8 @@ migration_fun/0, migration_fun_context/0]). +-on_load(on_load/0). + -spec list() -> feature_flags(). %% @doc %% Lists all supported feature flags. @@ -2265,3 +2267,15 @@ maybe_enable_locally_after_app_load([FeatureName | Rest]) -> share_new_feature_flags_after_app_load(FeatureFlags, Timeout) -> push_local_feature_flags_from_apps_unknown_remotely( node(), FeatureFlags, Timeout). + +on_load() -> + case application:get_env(rabbit, feature_flags_file) of + {ok, _} -> + ok; + _ -> + "Refusing to load '" ?MODULE_STRING "' in what appears to " + "be a pre-feature-flags running node " + "(" ++ rabbit_misc:version() ++ "). This is fine: it is " + "probably a remote node querying this node for its feature " + "flags." + end. |