MONITOR: Don't timeout if using local provider + socket-activated responders

When using only the local provider with socket-activated services SSSD
ends up never notifying systemd its startup has been done, as notifying
systemd is done *only* when a service (provider or responder) is started
up, leading SSSD's startup to fail due to a timeout.

So, in order to avoid this situation, let's just notify the startup
earlier in case we have *only* socket-activated services and the *only*
provider set up is the LOCAL one.

Resolves:
https://fedorahosted.org/sssd/ticket/3299

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>

Reviewed-by: Pavel Březina <pbrezina@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/monitor/monitor.c b/src/monitor/monitor.c
index f55a89edc..1fa3d4baf 100644
--- a/src/monitor/monitor.c
+++ b/src/monitor/monitor.c
@@ -2403,6 +2403,15 @@ static int monitor_process_init(struct mt_ctx *ctx,
         }
     }
 
+    /* When the only provider set up is the local one (num_providers == 0) and
+     * there's no responder explicitly set up it means that we should notify
+     * systemd that SSSD is ready right now as any other provider/responder
+     * would be able to do so and the SSSD would end up hitting a systemd
+     * timeout! */
+    if (num_providers == 0 && ctx->services == NULL) {
+        ret = notify_startup();
+    }
+
     return EOK;
 }