Add parameter for performing user sync on start up.

user-manager-server/src/main/java/de/ozgcloud/user/sync/SyncScheduler.java

@@ -25,10 +25,14 @@ package de.ozgcloud.user.sync;
 
 import static io.quarkus.scheduler.Scheduled.ConcurrentExecution.*;
 
-import de.ozgcloud.user.common.lock.LockService;
 import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.enterprise.event.Observes;
 import jakarta.inject.Inject;
 
+import org.eclipse.microprofile.config.inject.ConfigProperty;
+
+import de.ozgcloud.user.common.lock.LockService;
+import io.quarkus.runtime.StartupEvent;
 import io.quarkus.scheduler.Scheduled;
 import lombok.extern.log4j.Log4j2;
 
@@ -41,6 +45,15 @@ public class SyncScheduler {
 	@Inject
 	LockService syncLockService;
 
+	@ConfigProperty(name = "ozgcloud.usersync.onstart")
+	boolean syncUsers;
+
+	void onStart(@Observes StartupEvent event) {
+		if (syncUsers) {
+			start();
+		}
+	}
+
 	@Scheduled(every = "{ozgcloud.usersync.period}", concurrentExecution = SKIP)
 	public void start() {
 		if (syncLockService.isNotLocked()) {

user-manager-server/src/main/resources/application.yaml

@@ -47,3 +47,4 @@ ozgcloud:
       client: alfa
   usersync:
     period: "6h"
+    onstart: false
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user-manager-server/src/test/java/de/ozgcloud/user/sync/SyncSchedulerTest.java

@@ -38,6 +38,7 @@ import org.mockito.Spy;
 
 import de.ozgcloud.user.common.lock.Lock;
 import de.ozgcloud.user.common.lock.LockService;
+import io.quarkus.runtime.StartupEvent;
 
 class SyncSchedulerTest {
 
@@ -124,4 +125,31 @@ class SyncSchedulerTest {
 			verify(syncLockService).unlock();
 		}
 	}
+
+	@Nested
+	class OnStartTest {
+
+		@Test
+		void shouldSyncUsers() {
+			doNothing().when(scheduler).start();
+			scheduler.syncUsers = true;
+
+			callScheduler();
+
+			verify(scheduler).start();
+		}
+
+		@Test
+		void shouldNOTSyncUsers() {
+			scheduler.syncUsers = false;
+
+			callScheduler();
+
+			verify(scheduler, never()).start();
+		}
+
+		private void callScheduler() {
+			scheduler.onStart(new StartupEvent());
+		}
+	}
 }
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