Merge remote-tracking branch 'origin/main' into chore/rbac_ad

.dev/dev_arm64.yaml

@@ -32,7 +32,7 @@ services:
       KAFKA_CLUSTERS_0_AUDIT_CONSOLEAUDITENABLED: 'true'
 
   kafka0:
-    image: confluentinc/cp-kafka:7.6.0.arm64
+    image: confluentinc/cp-kafka:7.8.0.arm64
     user: "0:0"
     hostname: kafka0
     container_name: kafka0
@@ -60,7 +60,7 @@ services:
       CLUSTER_ID: 'MkU3OEVBNTcwNTJENDM2Qk'
 
   schema-registry0:
-    image: confluentinc/cp-schema-registry:7.6.0.arm64
+    image: confluentinc/cp-schema-registry:7.8.0.arm64
     ports:
       - 8085:8085
     depends_on:
@@ -76,7 +76,7 @@ services:
       SCHEMA_REGISTRY_KAFKASTORE_TOPIC: _schemas
 
   kafka-connect0:
-    image: confluentinc/cp-kafka-connect:7.6.0.arm64
+    image: confluentinc/cp-kafka-connect:7.8.0.arm64
     ports:
       - 8083:8083
     depends_on:
@@ -101,7 +101,7 @@ services:
       CONNECT_PLUGIN_PATH: "/usr/share/java,/usr/share/confluent-hub-components,/usr/local/share/kafka/plugins,/usr/share/filestream-connectors"
 
   ksqldb0:
-    image: confluentinc/cp-ksqldb-server:7.6.0.arm64
+    image: confluentinc/cp-ksqldb-server:7.8.0.arm64
     depends_on:
       - kafka0
       - kafka-connect0
@@ -119,7 +119,7 @@ services:
       KSQL_CACHE_MAX_BYTES_BUFFERING: 0
 
   kafka-init-topics:
-    image: confluentinc/cp-kafka:7.6.0.arm64
+    image: confluentinc/cp-kafka:7.8.0.arm64
     volumes:
       - ../documentation/compose/data/message.json:/data/message.json
     depends_on:

.github/workflows/frontend_tests.yml

@@ -23,7 +23,7 @@ jobs:
 
       - uses: pnpm/[email protected]
         with:
-          version: 9.11.0
+          version: 9.15.0
 
       - name: Install node
         uses: actions/[email protected]

.gitignore

@@ -42,3 +42,4 @@ build/
 *.tgz
 
 /docker/*.override.yaml
+/e2e-tests/allure-results/

.java-version

@@ -0,0 +1 @@
+21

README.md

@@ -15,10 +15,9 @@ Versatile, fast and lightweight web UI for managing Apache Kafka® clusters.
 
 <p align="center">
     <a href="https://ui.docs.kafbat.io/">Documentation</a> • 
-    <a href="https://ui.docs.kafbat.io/configuration/quick-start">Quick Start</a> • 
+    <a href="https://ui.docs.kafbat.io/quick-start/demo-run">Quick Start</a> • 
     <a href="https://discord.gg/4DWzD7pGE5">Community</a>
     <br/>
-    <a href="https://aws.amazon.com/marketplace/pp/{replaceMe}">AWS Marketplace</a>  •
     <a href="https://www.producthunt.com/products/ui-for-apache-kafka/reviews/new">ProductHunt</a>
 </p>
 
@@ -28,7 +27,7 @@ Versatile, fast and lightweight web UI for managing Apache Kafka® clusters.
 
 #### Kafbat UI is a free, open-source web UI to monitor and manage Apache Kafka clusters.
 
-Kafbat UI is a simple tool that makes your data flows observable, helps find and troubleshoot issues faster and deliver optimal performance. Its lightweight dashboard makes it easy to track key metrics of your Kafka clusters - Brokers, Topics, Partitions, Production, and Consumption.
+[Kafbat UI](https://kafbat.io/) is a simple tool that makes your data flows observable, helps find and troubleshoot issues faster and deliver optimal performance. Its lightweight dashboard makes it easy to track key metrics of your Kafka clusters - Brokers, Topics, Partitions, Production, and Consumption.
 
 <i>
 Kafbat UI, developed by <b>Kafbat</b>*, proudly carries forward the legacy of the UI Apache Kafka project.

api/pom.xml

@@ -50,7 +50,10 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>${kafka-clients.version}</version>
+            <!-- ccs stands for Confluent Community Edition
+             See https://www.confluent.io/confluent-community-license-faq/
+             -->
+            <version>${confluent.version}-ccs</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>

api/src/main/java/io/kafbat/ui/client/RetryingKafkaConnectClient.java

@@ -22,6 +22,7 @@
 import java.util.Objects;
 import javax.annotation.Nullable;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.http.ResponseEntity;
 import org.springframework.util.unit.DataSize;
 import org.springframework.web.client.RestClientException;
@@ -51,14 +52,36 @@ private static Retry conflictCodeRetry() {
                 (WebClientResponseException.Conflict) signal.failure()));
   }
 
-  private static <T> Mono<T> withRetryOnConflict(Mono<T> publisher) {
-    return publisher.retryWhen(conflictCodeRetry());
+  private static @NotNull Retry retryOnRebalance() {
+    return Retry.fixedDelay(MAX_RETRIES, RETRIES_DELAY).filter(e -> {
+
+      if (e instanceof WebClientResponseException.InternalServerError exception) {
+        final var errorMessage = getMessage(exception);
+        return StringUtils.equals(errorMessage,
+            // From https://github.com/apache/kafka/blob/dfc07e0e0c6e737a56a5402644265f634402b864/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java#L2340
+            "Request cannot be completed because a rebalance is expected");
+      }
+      return false;
+    });
+  }
+
+  private static <T> Mono<T> withRetryOnConflictOrRebalance(Mono<T> publisher) {
+    return publisher
+        .retryWhen(retryOnRebalance())
+        .retryWhen(conflictCodeRetry());
+  }
+
+  private static <T> Flux<T> withRetryOnConflictOrRebalance(Flux<T> publisher) {
+    return publisher
+        .retryWhen(retryOnRebalance())
+        .retryWhen(conflictCodeRetry());
   }
 
-  private static <T> Flux<T> withRetryOnConflict(Flux<T> publisher) {
-    return publisher.retryWhen(conflictCodeRetry());
+  private static <T> Mono<T> withRetryOnRebalance(Mono<T> publisher) {
+    return publisher.retryWhen(retryOnRebalance());
   }
 
+
   private static <T> Mono<T> withBadRequestErrorHandling(Mono<T> publisher) {
     return publisher
         .onErrorResume(WebClientResponseException.BadRequest.class,
@@ -73,197 +96,200 @@ private record ErrorMessage(@NotNull @JsonProperty("message") String message) {
   }
 
   private static <T> @NotNull Mono<T> parseConnectErrorMessage(WebClientResponseException parseException) {
+    return Mono.error(new ValidationException(getMessage(parseException)));
+  }
+
+  private static String getMessage(WebClientResponseException parseException) {
     final var errorMessage = parseException.getResponseBodyAs(ErrorMessage.class);
-    return Mono.error(new ValidationException(
-        Objects.requireNonNull(errorMessage,
-                // see https://github.com/apache/kafka/blob/a0a501952b6d61f6f273bdb8f842346b51e9dfce/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/rest/errors/ConnectExceptionMapper.java
-                "This should not happen according to the ConnectExceptionMapper")
-            .message()));
+    return Objects.requireNonNull(errorMessage,
+            // see https://github.com/apache/kafka/blob/a0a501952b6d61f6f273bdb8f842346b51e9dfce/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/rest/errors/ConnectExceptionMapper.java
+            "This should not happen according to the ConnectExceptionMapper")
+        .message();
   }
 
   @Override
   public Mono<Connector> createConnector(NewConnector newConnector) throws RestClientException {
     return withBadRequestErrorHandling(
-        super.createConnector(newConnector)
+        withRetryOnRebalance(super.createConnector(newConnector))
     );
   }
 
   @Override
   public Mono<Connector> setConnectorConfig(String connectorName, Map<String, Object> requestBody)
       throws RestClientException {
     return withBadRequestErrorHandling(
-        super.setConnectorConfig(connectorName, requestBody)
+        withRetryOnRebalance(super.setConnectorConfig(connectorName, requestBody))
     );
   }
 
   @Override
   public Mono<ResponseEntity<Connector>> createConnectorWithHttpInfo(NewConnector newConnector)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.createConnectorWithHttpInfo(newConnector));
+    return withRetryOnConflictOrRebalance(super.createConnectorWithHttpInfo(newConnector));
   }
 
   @Override
   public Mono<Void> deleteConnector(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.deleteConnector(connectorName));
+    return withRetryOnConflictOrRebalance(super.deleteConnector(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Void>> deleteConnectorWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.deleteConnectorWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.deleteConnectorWithHttpInfo(connectorName));
   }
 
 
   @Override
   public Mono<Connector> getConnector(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnector(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnector(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Connector>> getConnectorWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<Map<String, Object>> getConnectorConfig(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorConfig(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorConfig(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Map<String, Object>>> getConnectorConfigWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorConfigWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorConfigWithHttpInfo(connectorName));
   }
 
   @Override
   public Flux<ConnectorPlugin> getConnectorPlugins() throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorPlugins());
+    return withRetryOnConflictOrRebalance(super.getConnectorPlugins());
   }
 
   @Override
   public Mono<ResponseEntity<List<ConnectorPlugin>>> getConnectorPluginsWithHttpInfo()
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorPluginsWithHttpInfo());
+    return withRetryOnConflictOrRebalance(super.getConnectorPluginsWithHttpInfo());
   }
 
   @Override
   public Mono<ConnectorStatus> getConnectorStatus(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorStatus(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorStatus(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<ConnectorStatus>> getConnectorStatusWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorStatusWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorStatusWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<TaskStatus> getConnectorTaskStatus(String connectorName, Integer taskId)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTaskStatus(connectorName, taskId));
+    return withRetryOnConflictOrRebalance(super.getConnectorTaskStatus(connectorName, taskId));
   }
 
   @Override
   public Mono<ResponseEntity<TaskStatus>> getConnectorTaskStatusWithHttpInfo(String connectorName, Integer taskId)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTaskStatusWithHttpInfo(connectorName, taskId));
+    return withRetryOnConflictOrRebalance(super.getConnectorTaskStatusWithHttpInfo(connectorName, taskId));
   }
 
   @Override
   public Flux<ConnectorTask> getConnectorTasks(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTasks(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorTasks(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<List<ConnectorTask>>> getConnectorTasksWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTasksWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorTasksWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<Map<String, ConnectorTopics>> getConnectorTopics(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTopics(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorTopics(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Map<String, ConnectorTopics>>> getConnectorTopicsWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorTopicsWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.getConnectorTopicsWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<List<String>> getConnectors(String search) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectors(search));
+    return withRetryOnConflictOrRebalance(super.getConnectors(search));
   }
 
   @Override
   public Mono<ResponseEntity<List<String>>> getConnectorsWithHttpInfo(String search) throws WebClientResponseException {
-    return withRetryOnConflict(super.getConnectorsWithHttpInfo(search));
+    return withRetryOnConflictOrRebalance(super.getConnectorsWithHttpInfo(search));
   }
 
   @Override
   public Mono<Void> pauseConnector(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.pauseConnector(connectorName));
+    return withRetryOnConflictOrRebalance(super.pauseConnector(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Void>> pauseConnectorWithHttpInfo(String connectorName) throws WebClientResponseException {
-    return withRetryOnConflict(super.pauseConnectorWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.pauseConnectorWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<Void> restartConnector(String connectorName, Boolean includeTasks, Boolean onlyFailed)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.restartConnector(connectorName, includeTasks, onlyFailed));
+    return withRetryOnConflictOrRebalance(super.restartConnector(connectorName, includeTasks, onlyFailed));
   }
 
   @Override
   public Mono<ResponseEntity<Void>> restartConnectorWithHttpInfo(String connectorName, Boolean includeTasks,
                                                                  Boolean onlyFailed) throws WebClientResponseException {
-    return withRetryOnConflict(super.restartConnectorWithHttpInfo(connectorName, includeTasks, onlyFailed));
+    return withRetryOnConflictOrRebalance(super.restartConnectorWithHttpInfo(connectorName, includeTasks, onlyFailed));
   }
 
   @Override
   public Mono<Void> restartConnectorTask(String connectorName, Integer taskId) throws WebClientResponseException {
-    return withRetryOnConflict(super.restartConnectorTask(connectorName, taskId));
+    return withRetryOnConflictOrRebalance(super.restartConnectorTask(connectorName, taskId));
   }
 
   @Override
   public Mono<ResponseEntity<Void>> restartConnectorTaskWithHttpInfo(String connectorName, Integer taskId)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.restartConnectorTaskWithHttpInfo(connectorName, taskId));
+    return withRetryOnConflictOrRebalance(super.restartConnectorTaskWithHttpInfo(connectorName, taskId));
   }
 
   @Override
   public Mono<Void> resumeConnector(String connectorName) throws WebClientResponseException {
-    return super.resumeConnector(connectorName);
+    return withRetryOnRebalance(super.resumeConnector(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Void>> resumeConnectorWithHttpInfo(String connectorName)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.resumeConnectorWithHttpInfo(connectorName));
+    return withRetryOnConflictOrRebalance(super.resumeConnectorWithHttpInfo(connectorName));
   }
 
   @Override
   public Mono<ResponseEntity<Connector>> setConnectorConfigWithHttpInfo(String connectorName,
                                                                         Map<String, Object> requestBody)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.setConnectorConfigWithHttpInfo(connectorName, requestBody));
+    return withRetryOnConflictOrRebalance(super.setConnectorConfigWithHttpInfo(connectorName, requestBody));
   }
 
   @Override
   public Mono<ConnectorPluginConfigValidationResponse> validateConnectorPluginConfig(String pluginName,
                                                                                      Map<String, Object> requestBody)
       throws WebClientResponseException {
-    return withRetryOnConflict(super.validateConnectorPluginConfig(pluginName, requestBody));
+    return withRetryOnConflictOrRebalance(super.validateConnectorPluginConfig(pluginName, requestBody));
   }
 
   @Override
   public Mono<ResponseEntity<ConnectorPluginConfigValidationResponse>> validateConnectorPluginConfigWithHttpInfo(
       String pluginName, Map<String, Object> requestBody) throws WebClientResponseException {
-    return withRetryOnConflict(super.validateConnectorPluginConfigWithHttpInfo(pluginName, requestBody));
+    return withRetryOnConflictOrRebalance(super.validateConnectorPluginConfigWithHttpInfo(pluginName, requestBody));
   }
 
   private static class RetryingApiClient extends ApiClient {