Allow enabling auto reload without using dynamic config itself

Author: Haarolean

api/src/main/java/io/kafbat/ui/service/app/ConfigReloadService.java

@@ -7,6 +7,7 @@
 import java.io.IOException;
 import java.nio.file.ClosedWatchServiceException;
 import java.nio.file.FileSystems;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardWatchEventKinds;
 import java.nio.file.WatchEvent;
@@ -18,7 +19,7 @@
 import org.springframework.stereotype.Service;
 
 @Service
-@ConditionalOnProperty(value = {"dynamic.config.enabled", "dynamic.config.autoreload"}, havingValue = "true")
+@ConditionalOnProperty(value = "dynamic.config.autoreload", havingValue = "true")
 @RequiredArgsConstructor
 @Slf4j
 public class ConfigReloadService {
@@ -35,6 +36,12 @@ public class ConfigReloadService {
 
   @PostConstruct
   public void init() {
+    var configPath = dynamicConfigOperations.dynamicConfigFilePath();
+    if (!Files.exists(configPath) || !Files.isReadable(configPath)) {
+      log.warn("Dynamic config file {} doesnt exist or is not readable. Auto reload is disabled", configPath);
+      return;
+    }
+
     log.debug("Auto reload is enabled, will watch for config changes");
 
     try {

api/src/main/java/io/kafbat/ui/util/DynamicConfigOperations.java

@@ -77,7 +77,7 @@ public Optional<PropertySource<?>> loadDynamicPropertySource() {
     if (dynamicConfigEnabled()) {
       Path configPath = dynamicConfigFilePath();
       if (!Files.exists(configPath) || !Files.isReadable(configPath)) {
-        log.warn("Dynamic config file {} doesnt exist or not readable", configPath);
+        log.warn("Dynamic config file {} doesnt exist or is not readable", configPath);
         return Optional.empty();
       }
       var propertySource = new CompositePropertySource("dynamicProperties");