Merge branch 'master' of github.com:provectus/kafka-ui into metrics_ph2

 Conflicts:

	kafka-ui-api/src/test/java/com/provectus/kafka/ui/AbstractIntegrationTest.java

.github/workflows/backend.yml

@@ -3,11 +3,14 @@ on:
   push:
     branches:
       - master
-  pull_request:
+  pull_request_target:
     types: ["opened", "edited", "reopened", "synchronize"]
     paths:
       - "kafka-ui-api/**"
       - "pom.xml"
+permissions:
+  checks: write
+  pull-requests: write
 jobs:
   build-and-test:
     runs-on: ubuntu-latest

.github/workflows/e2e-checks.yaml

@@ -1,6 +1,6 @@
 name: "E2E: PR healthcheck"
 on:
-  pull_request:
+  pull_request_target:
     types: [ "opened", "edited", "reopened", "synchronize" ]
     paths:
       - "kafka-ui-api/**"
@@ -8,6 +8,8 @@ on:
       - "kafka-ui-react-app/**"
       - "kafka-ui-e2e-checks/**"
       - "pom.xml"
+permissions:
+  statuses: write
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
@@ -18,8 +20,8 @@ jobs:
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v2
         with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-access-key-id: ${{ secrets.S3_AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-secret-access-key: ${{ secrets.S3_AWS_SECRET_ACCESS_KEY }}
           aws-region: eu-central-1
       - name: Set up environment
         id: set_env_values

.github/workflows/frontend.yaml

@@ -3,11 +3,14 @@ on:
   push:
     branches:
       - master
-  pull_request:
+  pull_request_target:
     types: ["opened", "edited", "reopened", "synchronize"]
     paths:
       - "kafka-ui-contract/**"
       - "kafka-ui-react-app/**"
+permissions:
+  checks: write
+  pull-requests: write
 jobs:
   build-and-test:
     env:
@@ -24,7 +27,7 @@ jobs:
         with:
           version: 7.4.0
       - name: Install node
-        uses: actions/setup-node@v3.6.0
+        uses: actions/setup-node@v3.7.0
         with:
           node-version: "16.15.0"
           cache: "pnpm"

.github/workflows/pr-checks.yaml

@@ -1,8 +1,9 @@
 name: "PR: Checklist linter"
 on:
-  pull_request:
+  pull_request_target:
     types: [opened, edited, synchronize, reopened]
-
+permissions:
+  checks: write
 jobs:
   task-check:
     runs-on: ubuntu-latest

.github/workflows/welcome-first-time-contributors.yml

@@ -1,13 +1,15 @@
 name: Welcome first time contributors
 
 on:
-  pull_request:
+  pull_request_target:
     types:
       - opened
   issues:
     types:
       - opened
-
+permissions:
+  issues: write
+  pull-requests: write
 jobs:
   welcome:
     runs-on: ubuntu-latest

kafka-ui-api/pom.xml

@@ -91,7 +91,7 @@
         <dependency>
             <groupId>software.amazon.msk</groupId>
             <artifactId>aws-msk-iam-auth</artifactId>
-            <version>1.1.6</version>
+            <version>1.1.7</version>
         </dependency>
 
         <dependency>

kafka-ui-api/src/main/java/com/provectus/kafka/ui/controller/TopicsController.java

@@ -123,9 +123,11 @@ public class TopicsController extends AbstractController implements TopicsApi {
         .operationName("deleteTopic")
         .build();
 
-    return accessControlService.validateAccess(context).then(
+    return accessControlService.validateAccess(context)
-        topicsService.deleteTopic(getCluster(clusterName), topicName).map(ResponseEntity::ok)
+        .then(
-    ).doOnEach(sig -> auditService.audit(context, sig));
+            topicsService.deleteTopic(getCluster(clusterName), topicName)
+                .thenReturn(ResponseEntity.ok().<Void>build())
+        ).doOnEach(sig -> auditService.audit(context, sig));
   }
 
 

kafka-ui-api/src/main/java/com/provectus/kafka/ui/mapper/KafkaSrMapper.java

@@ -3,18 +3,21 @@ package com.provectus.kafka.ui.mapper;
 import com.provectus.kafka.ui.model.CompatibilityCheckResponseDTO;
 import com.provectus.kafka.ui.model.CompatibilityLevelDTO;
 import com.provectus.kafka.ui.model.NewSchemaSubjectDTO;
+import com.provectus.kafka.ui.model.SchemaReferenceDTO;
 import com.provectus.kafka.ui.model.SchemaSubjectDTO;
 import com.provectus.kafka.ui.model.SchemaTypeDTO;
 import com.provectus.kafka.ui.service.SchemaRegistryService;
 import com.provectus.kafka.ui.sr.model.Compatibility;
 import com.provectus.kafka.ui.sr.model.CompatibilityCheckResponse;
 import com.provectus.kafka.ui.sr.model.NewSubject;
+import com.provectus.kafka.ui.sr.model.SchemaReference;
 import com.provectus.kafka.ui.sr.model.SchemaType;
+import java.util.List;
 import java.util.Optional;
 import org.mapstruct.Mapper;
 
 
-@Mapper(componentModel = "spring")
+@Mapper
 public interface KafkaSrMapper {
 
   default SchemaSubjectDTO toDto(SchemaRegistryService.SubjectWithCompatibilityLevel s) {
@@ -24,9 +27,12 @@ public interface KafkaSrMapper {
         .subject(s.getSubject())
         .schema(s.getSchema())
         .schemaType(SchemaTypeDTO.fromValue(Optional.ofNullable(s.getSchemaType()).orElse(SchemaType.AVRO).getValue()))
+        .references(toDto(s.getReferences()))
         .compatibilityLevel(s.getCompatibility().toString());
   }
 
+  List<SchemaReferenceDTO> toDto(List<SchemaReference> references);
+
   CompatibilityCheckResponseDTO toDto(CompatibilityCheckResponse ccr);
 
   CompatibilityLevelDTO.CompatibilityEnum toDto(Compatibility compatibility);

kafka-ui-api/src/main/java/com/provectus/kafka/ui/serdes/builtin/sr/SchemaRegistrySerde.java

@@ -20,6 +20,7 @@ import io.confluent.kafka.schemaregistry.client.SchemaMetadata;
 import io.confluent.kafka.schemaregistry.client.SchemaRegistryClient;
 import io.confluent.kafka.schemaregistry.client.SchemaRegistryClientConfig;
 import io.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException;
+import io.confluent.kafka.schemaregistry.json.JsonSchema;
 import io.confluent.kafka.schemaregistry.json.JsonSchemaProvider;
 import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchema;
 import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchemaProvider;
@@ -217,7 +218,9 @@ public class SchemaRegistrySerde implements BuiltInSerde {
       case AVRO -> new AvroJsonSchemaConverter()
           .convert(basePath, ((AvroSchema) parsedSchema).rawSchema())
           .toJson();
-      case JSON -> schema.getSchema();
+      case JSON ->
+        //need to use confluent JsonSchema since it includes resolved references
+        ((JsonSchema) parsedSchema).rawSchema().toString();
     };
   }
 

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/SchemaRegistryService.java

@@ -14,8 +14,7 @@ import com.provectus.kafka.ui.sr.model.CompatibilityLevelChange;
 import com.provectus.kafka.ui.sr.model.NewSubject;
 import com.provectus.kafka.ui.sr.model.SchemaSubject;
 import com.provectus.kafka.ui.util.ReactiveFailover;
-import com.provectus.kafka.ui.util.WebClientConfigurator;
+import java.nio.charset.Charset;
-import java.io.IOException;
 import java.util.List;
 import java.util.stream.Collectors;
 import lombok.AllArgsConstructor;
@@ -92,7 +91,7 @@ public class SchemaRegistryService {
   private Mono<SubjectWithCompatibilityLevel> getSchemaSubject(KafkaCluster cluster, String schemaName,
                                                                String version) {
     return api(cluster)
-        .mono(c -> c.getSubjectVersion(schemaName, version))
+        .mono(c -> c.getSubjectVersion(schemaName, version, false))
         .zipWith(getSchemaCompatibilityInfoOrGlobal(cluster, schemaName))
         .map(t -> new SubjectWithCompatibilityLevel(t.getT1(), t.getT2()))
         .onErrorResume(WebClientResponseException.NotFound.class, th -> Mono.error(new SchemaNotFoundException()));

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/SchemaReferencesResolver.java

@@ -0,0 +1,55 @@
+package com.provectus.kafka.ui.service.integration.odd;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.provectus.kafka.ui.sr.api.KafkaSrClientApi;
+import com.provectus.kafka.ui.sr.model.SchemaReference;
+import java.util.List;
+import java.util.Optional;
+import javax.annotation.Nullable;
+import reactor.core.publisher.Mono;
+
+// logic copied from AbstractSchemaProvider:resolveReferences
+// https://github.com/confluentinc/schema-registry/blob/fd59613e2c5adf62e36705307f420712e4c8c1ea/client/src/main/java/io/confluent/kafka/schemaregistry/AbstractSchemaProvider.java#L54
+class SchemaReferencesResolver {
+
+  private final KafkaSrClientApi client;
+
+  SchemaReferencesResolver(KafkaSrClientApi client) {
+    this.client = client;
+  }
+
+  Mono<ImmutableMap<String, String>> resolve(List<SchemaReference> refs) {
+    return resolveReferences(refs, new Resolving(ImmutableMap.of(), ImmutableSet.of()))
+        .map(Resolving::resolved);
+  }
+
+  private record Resolving(ImmutableMap<String, String> resolved, ImmutableSet<String> visited) {
+
+    Resolving visit(String name) {
+      return new Resolving(resolved, ImmutableSet.<String>builder().addAll(visited).add(name).build());
+    }
+
+    Resolving resolve(String ref, String schema) {
+      return new Resolving(ImmutableMap.<String, String>builder().putAll(resolved).put(ref, schema).build(), visited);
+    }
+  }
+
+  private Mono<Resolving> resolveReferences(@Nullable List<SchemaReference> refs, Resolving initState) {
+    Mono<Resolving> result = Mono.just(initState);
+    for (SchemaReference reference : Optional.ofNullable(refs).orElse(List.of())) {
+      result = result.flatMap(state -> {
+        if (state.visited().contains(reference.getName())) {
+          return Mono.just(state);
+        } else {
+          final var newState = state.visit(reference.getName());
+          return client.getSubjectVersion(reference.getSubject(), String.valueOf(reference.getVersion()), true)
+              .flatMap(subj ->
+                  resolveReferences(subj.getReferences(), newState)
+                      .map(withNewRefs -> withNewRefs.resolve(reference.getName(), subj.getSchema())));
+        }
+      });
+    }
+    return result;
+  }
+}

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/TopicsExporter.java

@@ -6,6 +6,7 @@ import com.google.common.collect.ImmutableMap;
 import com.provectus.kafka.ui.model.KafkaCluster;
 import com.provectus.kafka.ui.service.StatisticsCache;
 import com.provectus.kafka.ui.service.integration.odd.schema.DataSetFieldsExtractors;
+import com.provectus.kafka.ui.sr.model.SchemaSubject;
 import java.net.URI;
 import java.util.List;
 import java.util.Map;
@@ -25,6 +26,8 @@ import org.opendatadiscovery.oddrn.model.KafkaPath;
 import org.springframework.web.reactive.function.client.WebClientResponseException;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
+import reactor.util.function.Tuple2;
+import reactor.util.function.Tuples;
 
 @Slf4j
 @RequiredArgsConstructor
@@ -101,12 +104,20 @@ class TopicsExporter {
       return Mono.just(List.of());
     }
     String subject = topic + (isKey ? "-key" : "-value");
-    return cluster.getSchemaRegistryClient()
+    return getSubjWithResolvedRefs(cluster, subject)
-        .mono(client -> client.getSubjectVersion(subject, "latest"))
+        .map(t -> DataSetFieldsExtractors.extract(t.getT1(), t.getT2(), topicOddrn, isKey))
-        .map(subj -> DataSetFieldsExtractors.extract(subj, topicOddrn, isKey))
         .onErrorResume(WebClientResponseException.NotFound.class, th -> Mono.just(List.of()))
         .onErrorMap(WebClientResponseException.class, err ->
             new IllegalStateException("Error retrieving subject %s".formatted(subject), err));
   }
 
+  private Mono<Tuple2<SchemaSubject, Map<String, String>>> getSubjWithResolvedRefs(KafkaCluster cluster,
+                                                                                   String subjectName) {
+    return cluster.getSchemaRegistryClient()
+        .mono(client ->
+            client.getSubjectVersion(subjectName, "latest", false)
+                .flatMap(subj -> new SchemaReferencesResolver(client).resolve(subj.getReferences())
+                    .map(resolvedRefs -> Tuples.of(subj, resolvedRefs))));
+  }
+
 }

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/schema/AvroExtractor.java

@@ -1,7 +1,7 @@
 package com.provectus.kafka.ui.service.integration.odd.schema;
 
 import com.google.common.collect.ImmutableSet;
-import com.provectus.kafka.ui.sr.model.SchemaSubject;
+import io.confluent.kafka.schemaregistry.avro.AvroSchema;
 import java.util.ArrayList;
 import java.util.List;
 import org.apache.avro.Schema;
@@ -14,8 +14,8 @@ final class AvroExtractor {
   private AvroExtractor() {
   }
 
-  static List<DataSetField> extract(SchemaSubject subject, KafkaPath topicOddrn, boolean isKey) {
+  static List<DataSetField> extract(AvroSchema avroSchema, KafkaPath topicOddrn, boolean isKey) {
-    var schema = new Schema.Parser().parse(subject.getSchema());
+    var schema = avroSchema.rawSchema();
     List<DataSetField> result = new ArrayList<>();
     result.add(DataSetFieldsExtractors.rootField(topicOddrn, isKey));
     extract(

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/schema/DataSetFieldsExtractors.java

@@ -2,7 +2,11 @@ package com.provectus.kafka.ui.service.integration.odd.schema;
 
 import com.provectus.kafka.ui.sr.model.SchemaSubject;
 import com.provectus.kafka.ui.sr.model.SchemaType;
+import io.confluent.kafka.schemaregistry.avro.AvroSchema;
+import io.confluent.kafka.schemaregistry.json.JsonSchema;
+import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchema;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 import org.opendatadiscovery.client.model.DataSetField;
 import org.opendatadiscovery.client.model.DataSetFieldType;
@@ -10,12 +14,18 @@ import org.opendatadiscovery.oddrn.model.KafkaPath;
 
 public final class DataSetFieldsExtractors {
 
-  public static List<DataSetField> extract(SchemaSubject subject, KafkaPath topicOddrn, boolean isKey) {
+  public static List<DataSetField> extract(SchemaSubject subject,
+                                           Map<String, String> resolvedRefs,
+                                           KafkaPath topicOddrn,
+                                           boolean isKey) {
     SchemaType schemaType = Optional.ofNullable(subject.getSchemaType()).orElse(SchemaType.AVRO);
     return switch (schemaType) {
-      case AVRO -> AvroExtractor.extract(subject, topicOddrn, isKey);
+      case AVRO -> AvroExtractor.extract(
-      case JSON -> JsonSchemaExtractor.extract(subject, topicOddrn, isKey);
+          new AvroSchema(subject.getSchema(), List.of(), resolvedRefs, null), topicOddrn, isKey);
-      case PROTOBUF -> ProtoExtractor.extract(subject, topicOddrn, isKey);
+      case JSON -> JsonSchemaExtractor.extract(
+          new JsonSchema(subject.getSchema(), List.of(), resolvedRefs, null), topicOddrn, isKey);
+      case PROTOBUF -> ProtoExtractor.extract(
+          new ProtobufSchema(subject.getSchema(), List.of(), resolvedRefs, null, null), topicOddrn, isKey);
     };
   }
 

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/schema/JsonSchemaExtractor.java

@@ -30,8 +30,8 @@ final class JsonSchemaExtractor {
   private JsonSchemaExtractor() {
   }
 
-  static List<DataSetField> extract(SchemaSubject subject, KafkaPath topicOddrn, boolean isKey) {
+  static List<DataSetField> extract(JsonSchema jsonSchema, KafkaPath topicOddrn, boolean isKey) {
-    Schema schema = new JsonSchema(subject.getSchema()).rawSchema();
+    Schema schema = jsonSchema.rawSchema();
     List<DataSetField> result = new ArrayList<>();
     result.add(DataSetFieldsExtractors.rootField(topicOddrn, isKey));
     extract(

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/integration/odd/schema/ProtoExtractor.java

@@ -15,7 +15,6 @@ import com.google.protobuf.Timestamp;
 import com.google.protobuf.UInt32Value;
 import com.google.protobuf.UInt64Value;
 import com.google.protobuf.Value;
-import com.provectus.kafka.ui.sr.model.SchemaSubject;
 import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchema;
 import java.util.ArrayList;
 import java.util.List;
@@ -42,8 +41,8 @@ final class ProtoExtractor {
   private ProtoExtractor() {
   }
 
-  static List<DataSetField> extract(SchemaSubject subject, KafkaPath topicOddrn, boolean isKey) {
+  static List<DataSetField> extract(ProtobufSchema protobufSchema, KafkaPath topicOddrn, boolean isKey) {
-    Descriptor schema = new ProtobufSchema(subject.getSchema()).toDescriptor();
+    Descriptor schema = protobufSchema.toDescriptor();
     List<DataSetField> result = new ArrayList<>();
     result.add(DataSetFieldsExtractors.rootField(topicOddrn, isKey));
     var rootOddrn = topicOddrn.oddrn() + "/columns/" + (isKey ? "key" : "value");

kafka-ui-api/src/main/java/com/provectus/kafka/ui/util/WebClientConfigurator.java

@@ -28,6 +28,9 @@ import reactor.netty.http.client.HttpClient;
 public class WebClientConfigurator {
 
   private final WebClient.Builder builder = WebClient.builder();
+  private HttpClient httpClient = HttpClient
+      .create()
+      .proxyWithSystemProperties();
 
   public WebClientConfigurator() {
     configureObjectMapper(defaultOM());
@@ -90,12 +93,7 @@ public class WebClientConfigurator {
     // Create webclient
     SslContext context = contextBuilder.build();
 
-    var httpClient = HttpClient
+    httpClient = httpClient.secure(t -> t.sslContext(context));
-        .create()
-        .secure(t -> t.sslContext(context))
-        .proxyWithSystemProperties();
-
-    builder.clientConnector(new ReactorClientHttpConnector(httpClient));
     return this;
   }
 
@@ -131,6 +129,6 @@ public class WebClientConfigurator {
   }
 
   public WebClient build() {
-    return builder.build();
+    return builder.clientConnector(new ReactorClientHttpConnector(httpClient)).build();
   }
 }

kafka-ui-api/src/test/java/com/provectus/kafka/ui/AbstractIntegrationTest.java

@@ -1,6 +1,7 @@
 package com.provectus.kafka.ui;
 
 import com.provectus.kafka.ui.container.KafkaConnectContainer;
+import com.provectus.kafka.ui.container.KsqlDbContainer;
 import com.provectus.kafka.ui.container.SchemaRegistryContainer;
 import java.nio.file.Path;
 import java.util.List;
@@ -32,7 +33,7 @@ public abstract class AbstractIntegrationTest {
   public static final String LOCAL = "local";
   public static final String SECOND_LOCAL = "secondLocal";
 
-  private static final String CONFLUENT_PLATFORM_VERSION = "7.2.1";
+  private static final String CONFLUENT_PLATFORM_VERSION = "7.2.1"; // Append ".arm64" for a local run
 
   public static final KafkaContainer kafka = new KafkaContainer(
       DockerImageName.parse("confluentinc/cp-kafka").withTag(CONFLUENT_PLATFORM_VERSION))
@@ -49,6 +50,11 @@ public abstract class AbstractIntegrationTest {
           .dependsOn(kafka)
           .dependsOn(schemaRegistry);
 
+  protected static final KsqlDbContainer KSQL_DB = new KsqlDbContainer(
+      DockerImageName.parse("confluentinc/cp-ksqldb-server")
+          .withTag(CONFLUENT_PLATFORM_VERSION))
+      .withKafka(kafka);
+
   @TempDir
   public static Path tmpDir;
 

kafka-ui-api/src/test/java/com/provectus/kafka/ui/SchemaRegistryServiceTests.java

@@ -2,6 +2,7 @@ package com.provectus.kafka.ui;
 
 import com.provectus.kafka.ui.model.CompatibilityLevelDTO;
 import com.provectus.kafka.ui.model.NewSchemaSubjectDTO;
+import com.provectus.kafka.ui.model.SchemaReferenceDTO;
 import com.provectus.kafka.ui.model.SchemaSubjectDTO;
 import com.provectus.kafka.ui.model.SchemaSubjectsResponseDTO;
 import com.provectus.kafka.ui.model.SchemaTypeDTO;
@@ -190,6 +191,58 @@ class SchemaRegistryServiceTests extends AbstractIntegrationTest {
     Assertions.assertEquals(schema, actual.getSchema());
   }
 
+
+  @Test
+  void shouldCreateNewProtobufSchemaWithRefs() {
+    NewSchemaSubjectDTO requestBody = new NewSchemaSubjectDTO()
+        .schemaType(SchemaTypeDTO.PROTOBUF)
+        .subject(subject + "-ref")
+        .schema("""
+            syntax = "proto3";
+            message MyRecord {
+              int32 id = 1;
+              string name = 2;
+            }
+            """);
+
+    webTestClient
+        .post()
+        .uri("/api/clusters/{clusterName}/schemas", LOCAL)
+        .contentType(MediaType.APPLICATION_JSON)
+        .body(BodyInserters.fromPublisher(Mono.just(requestBody), NewSchemaSubjectDTO.class))
+        .exchange()
+        .expectStatus()
+        .isOk();
+
+    requestBody = new NewSchemaSubjectDTO()
+        .schemaType(SchemaTypeDTO.PROTOBUF)
+        .subject(subject)
+        .schema("""
+            syntax = "proto3";
+            import "MyRecord.proto";
+            message MyRecordWithRef {
+              int32 id = 1;
+              MyRecord my_ref = 2;
+            }
+            """)
+        .references(List.of(new SchemaReferenceDTO().name("MyRecord.proto").subject(subject + "-ref").version(1)));
+
+    SchemaSubjectDTO actual = webTestClient
+        .post()
+        .uri("/api/clusters/{clusterName}/schemas", LOCAL)
+        .contentType(MediaType.APPLICATION_JSON)
+        .body(BodyInserters.fromPublisher(Mono.just(requestBody), NewSchemaSubjectDTO.class))
+        .exchange()
+        .expectStatus()
+        .isOk()
+        .expectBody(SchemaSubjectDTO.class)
+        .returnResult()
+        .getResponseBody();
+
+    Assertions.assertNotNull(actual);
+    Assertions.assertEquals(requestBody.getReferences(), actual.getReferences());
+  }
+
   @Test
   public void shouldReturnBackwardAsGlobalCompatibilityLevelByDefault() {
     webTestClient
@@ -278,7 +331,7 @@ class SchemaRegistryServiceTests extends AbstractIntegrationTest {
   void shouldCreateNewSchemaWhenSubjectIncludesNonAsciiCharacters() {
     String schema =
         "{\"subject\":\"test/test\",\"schemaType\":\"JSON\",\"schema\":"
-        + "\"{\\\"type\\\": \\\"string\\\"}\"}";
+            + "\"{\\\"type\\\": \\\"string\\\"}\"}";
 
     webTestClient
         .post()

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/integration/odd/SchemaReferencesResolverTest.java

@@ -0,0 +1,86 @@
+package com.provectus.kafka.ui.service.integration.odd;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import com.google.common.collect.ImmutableMap;
+import com.provectus.kafka.ui.sr.api.KafkaSrClientApi;
+import com.provectus.kafka.ui.sr.model.SchemaReference;
+import com.provectus.kafka.ui.sr.model.SchemaSubject;
+import java.util.List;
+import org.junit.jupiter.api.Test;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+class SchemaReferencesResolverTest {
+
+  private final KafkaSrClientApi srClientMock = mock(KafkaSrClientApi.class);
+
+  private final SchemaReferencesResolver schemaReferencesResolver = new SchemaReferencesResolver(srClientMock);
+
+  @Test
+  void resolvesRefsUsingSrClient() {
+    mockSrCall("sub1", 1,
+        new SchemaSubject()
+            .schema("schema1"));
+
+    mockSrCall("sub2", 1,
+        new SchemaSubject()
+            .schema("schema2")
+            .references(
+                List.of(
+                    new SchemaReference().name("ref2_1").subject("sub2_1").version(2),
+                    new SchemaReference().name("ref2_2").subject("sub1").version(1))));
+
+    mockSrCall("sub2_1", 2,
+        new SchemaSubject()
+            .schema("schema2_1")
+            .references(
+                List.of(
+                    new SchemaReference().name("ref2_1_1").subject("sub2_1_1").version(3),
+                    new SchemaReference().name("ref1").subject("should_not_be_called").version(1)
+                ))
+    );
+
+    mockSrCall("sub2_1_1", 3,
+        new SchemaSubject()
+            .schema("schema2_1_1"));
+
+    var resolvedRefsMono = schemaReferencesResolver.resolve(
+        List.of(
+            new SchemaReference().name("ref1").subject("sub1").version(1),
+            new SchemaReference().name("ref2").subject("sub2").version(1)));
+
+    StepVerifier.create(resolvedRefsMono)
+        .assertNext(refs ->
+            assertThat(refs)
+                .containsExactlyEntriesOf(
+                    // checking map should be ordered
+                    ImmutableMap.<String, String>builder()
+                        .put("ref1", "schema1")
+                        .put("ref2_1_1", "schema2_1_1")
+                        .put("ref2_1", "schema2_1")
+                        .put("ref2_2", "schema1")
+                        .put("ref2", "schema2")
+                        .build()))
+        .verifyComplete();
+  }
+
+  @Test
+  void returnsEmptyMapOnEmptyInputs() {
+    StepVerifier.create(schemaReferencesResolver.resolve(null))
+        .assertNext(map -> assertThat(map).isEmpty())
+        .verifyComplete();
+
+    StepVerifier.create(schemaReferencesResolver.resolve(List.of()))
+        .assertNext(map -> assertThat(map).isEmpty())
+        .verifyComplete();
+  }
+
+  private void mockSrCall(String subject, int version, SchemaSubject subjectToReturn) {
+    when(srClientMock.getSubjectVersion(subject, version + "", true))
+        .thenReturn(Mono.just(subjectToReturn));
+  }
+
+}

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/integration/odd/TopicsExporterTest.java

@@ -3,6 +3,7 @@ package com.provectus.kafka.ui.service.integration.odd;
 import static com.provectus.kafka.ui.service.metrics.scrape.ScrapedClusterState.TopicState;
 import static com.provectus.kafka.ui.service.metrics.scrape.ScrapedClusterState.empty;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -57,9 +58,8 @@ class TopicsExporterTest {
 
   @Test
   void doesNotExportTopicsWhichDontFitFiltrationRule() {
-    when(schemaRegistryClientMock.getSubjectVersion(anyString(), anyString()))
+    when(schemaRegistryClientMock.getSubjectVersion(anyString(), anyString(), anyBoolean()))
         .thenReturn(Mono.error(WebClientResponseException.create(404, "NF", new HttpHeaders(), null, null, null)));
-
     stats = Statistics.empty()
         .toBuilder()
         .clusterState(
@@ -95,14 +95,14 @@ class TopicsExporterTest {
 
   @Test
   void doesExportTopicData() {
-    when(schemaRegistryClientMock.getSubjectVersion("testTopic-value", "latest"))
+    when(schemaRegistryClientMock.getSubjectVersion("testTopic-value", "latest", false))
         .thenReturn(Mono.just(
             new SchemaSubject()
                 .schema("\"string\"")
                 .schemaType(SchemaType.AVRO)
         ));
 
-    when(schemaRegistryClientMock.getSubjectVersion("testTopic-key", "latest"))
+    when(schemaRegistryClientMock.getSubjectVersion("testTopic-key", "latest", false))
         .thenReturn(Mono.just(
             new SchemaSubject()
                 .schema("\"int\"")

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/integration/odd/schema/AvroExtractorTest.java

@@ -2,7 +2,7 @@ package com.provectus.kafka.ui.service.integration.odd.schema;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import com.provectus.kafka.ui.sr.model.SchemaSubject;
+import io.confluent.kafka.schemaregistry.avro.AvroSchema;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 import org.opendatadiscovery.client.model.DataSetField;
@@ -15,8 +15,7 @@ class AvroExtractorTest {
   @ValueSource(booleans = {true, false})
   void test(boolean isKey) {
     var list = AvroExtractor.extract(
-        new SchemaSubject()
+        new AvroSchema("""
-            .schema("""
                 {
                     "type": "record",
                     "name": "Message",

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/integration/odd/schema/JsonSchemaExtractorTest.java

@@ -2,7 +2,7 @@ package com.provectus.kafka.ui.service.integration.odd.schema;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import com.provectus.kafka.ui.sr.model.SchemaSubject;
+import io.confluent.kafka.schemaregistry.json.JsonSchema;
 import java.net.URI;
 import java.util.List;
 import java.util.Map;
@@ -40,7 +40,7 @@ class JsonSchemaExtractorTest {
         }
         """;
     var fields = JsonSchemaExtractor.extract(
-        new SchemaSubject().schema(jsonSchema),
+        new JsonSchema(jsonSchema),
         KafkaPath.builder()
             .cluster("localhost:9092")
             .topic("someTopic")

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/integration/odd/schema/ProtoExtractorTest.java

@@ -2,7 +2,7 @@ package com.provectus.kafka.ui.service.integration.odd.schema;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import com.provectus.kafka.ui.sr.model.SchemaSubject;
+import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchema;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 import org.opendatadiscovery.client.model.DataSetField;
@@ -54,8 +54,7 @@ class ProtoExtractorTest {
         }""";
 
     var list = ProtoExtractor.extract(
-        new SchemaSubject()
+        new ProtobufSchema(protoSchema),
-            .schema(protoSchema),
         KafkaPath.builder()
             .cluster("localhost:9092")
             .topic("someTopic")

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/ksql/KsqlApiClientTest.java

@@ -3,30 +3,24 @@ package com.provectus.kafka.ui.service.ksql;
 import static org.assertj.core.api.Assertions.assertThat;
 
 import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.fasterxml.jackson.databind.node.DoubleNode;
+import com.fasterxml.jackson.databind.node.DecimalNode;
 import com.fasterxml.jackson.databind.node.IntNode;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.TextNode;
 import com.provectus.kafka.ui.AbstractIntegrationTest;
-import com.provectus.kafka.ui.container.KsqlDbContainer;
+import java.math.BigDecimal;
 import java.time.Duration;
-import java.util.List;
 import java.util.Map;
 import org.junit.Ignore;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.testcontainers.shaded.org.awaitility.Awaitility;
-import org.testcontainers.utility.DockerImageName;
 import reactor.test.StepVerifier;
 
 @Ignore
 class KsqlApiClientTest extends AbstractIntegrationTest {
 
-  private static final KsqlDbContainer KSQL_DB = new KsqlDbContainer(
-      DockerImageName.parse("confluentinc/ksqldb-server").withTag("0.24.0"))
-      .withKafka(kafka);
-
   @BeforeAll
   static void startContainer() {
     KSQL_DB.start();
@@ -74,7 +68,7 @@ class KsqlApiClientTest extends AbstractIntegrationTest {
   private void assertLastKsqTutorialQueryResult(KsqlApiClient client) {
     // expected results:
     //{"header":"Schema","columnNames":[...],"values":null}
-    //{"header":"Row","columnNames":null,"values":[[0.0,["4ab5cbad","8b6eae59","4a7c7b41"],3]]}
+    //{"header":"Row","columnNames":null,"values":[[0,["4ab5cbad","8b6eae59","4a7c7b41"],3]]}
     //{"header":"Row","columnNames":null,"values":[[10.0,["18f4ea86"],1]]}
     StepVerifier.create(
             client.execute(
@@ -88,34 +82,26 @@ class KsqlApiClientTest extends AbstractIntegrationTest {
           assertThat(header.getValues()).isNull();
         })
         .assertNext(row -> {
-          assertThat(row).isEqualTo(
+          var distance = (DecimalNode) row.getValues().get(0).get(0);
-              KsqlApiClient.KsqlResponseTable.builder()
+          var riders = (ArrayNode) row.getValues().get(0).get(1);
-                  .header("Row")
+          var count = (IntNode) row.getValues().get(0).get(2);
-                  .columnNames(null)
+
-                  .values(List.of(List.of(
+          assertThat(distance).isEqualTo(new DecimalNode(new BigDecimal(0)));
-                      new DoubleNode(0.0),
+          assertThat(riders).isEqualTo(new ArrayNode(JsonNodeFactory.instance)
-                      new ArrayNode(JsonNodeFactory.instance)
+              .add(new TextNode("4ab5cbad"))
-                          .add(new TextNode("4ab5cbad"))
+              .add(new TextNode("8b6eae59"))
-                          .add(new TextNode("8b6eae59"))
+              .add(new TextNode("4a7c7b41")));
-                          .add(new TextNode("4a7c7b41")),
+          assertThat(count).isEqualTo(new IntNode(3));
-                      new IntNode(3)
-                  )))
-                  .build()
-          );
         })
         .assertNext(row -> {
-          assertThat(row).isEqualTo(
+          var distance = (DecimalNode) row.getValues().get(0).get(0);
-              KsqlApiClient.KsqlResponseTable.builder()
+          var riders = (ArrayNode) row.getValues().get(0).get(1);
-                  .header("Row")
+          var count = (IntNode) row.getValues().get(0).get(2);
-                  .columnNames(null)
+
-                  .values(List.of(List.of(
+          assertThat(distance).isEqualTo(new DecimalNode(new BigDecimal(10)));
-                      new DoubleNode(10.0),
+          assertThat(riders).isEqualTo(new ArrayNode(JsonNodeFactory.instance)
-                      new ArrayNode(JsonNodeFactory.instance)
+              .add(new TextNode("18f4ea86")));
-                          .add(new TextNode("18f4ea86")),
+          assertThat(count).isEqualTo(new IntNode(1));
-                      new IntNode(1)
-                  )))
-                  .build()
-          );
         })
         .verifyComplete();
   }

kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/ksql/KsqlServiceV2Test.java

@@ -3,7 +3,6 @@ package com.provectus.kafka.ui.service.ksql;
 import static org.assertj.core.api.Assertions.assertThat;
 
 import com.provectus.kafka.ui.AbstractIntegrationTest;
-import com.provectus.kafka.ui.container.KsqlDbContainer;
 import com.provectus.kafka.ui.model.KafkaCluster;
 import com.provectus.kafka.ui.model.KsqlStreamDescriptionDTO;
 import com.provectus.kafka.ui.model.KsqlTableDescriptionDTO;
@@ -15,14 +14,9 @@ import java.util.concurrent.CopyOnWriteArraySet;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
-import org.testcontainers.utility.DockerImageName;
 
 class KsqlServiceV2Test extends AbstractIntegrationTest {
 
-  private static final KsqlDbContainer KSQL_DB = new KsqlDbContainer(
-      DockerImageName.parse("confluentinc/ksqldb-server").withTag("0.24.0"))
-      .withKafka(kafka);
-
   private static final Set<String> STREAMS_TO_DELETE = new CopyOnWriteArraySet<>();
   private static final Set<String> TABLES_TO_DELETE = new CopyOnWriteArraySet<>();
 

kafka-ui-contract/src/main/resources/swagger/kafka-sr-api.yaml

@@ -77,6 +77,10 @@ paths:
                 required: true
                 schema:
                   type: string
+              - name: deleted
+                in: query
+                schema:
+                  type: boolean
             responses:
                 200:
                     description: OK
@@ -317,6 +321,10 @@ components:
                 type: string
               schemaType:
                   $ref: '#/components/schemas/SchemaType'
+              references:
+                type: array
+                items:
+                  $ref: '#/components/schemas/SchemaReference'
             required:
               - id
               - subject

kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml

@@ -2976,6 +2976,10 @@ components:
           type: string
         schemaType:
           $ref: '#/components/schemas/SchemaType'
+        references:
+          type: array
+          items:
+            $ref: '#/components/schemas/SchemaReference'
       required:
         - id
         - subject
@@ -2993,13 +2997,30 @@ components:
         schema:
           type: string
         schemaType:
-          $ref: '#/components/schemas/SchemaType'
+          $ref: '#/components/schemas/SchemaType' # upon updating a schema, the type of existing schema can't be changed
-          # upon updating a schema, the type of existing schema can't be changed
+        references:
+          type: array
+          items:
+            $ref: '#/components/schemas/SchemaReference'
       required:
         - subject
         - schema
         - schemaType
 
+    SchemaReference:
+      type: object
+      properties:
+        name:
+          type: string
+        subject:
+          type: string
+        version:
+          type: integer
+      required:
+        - name
+        - subject
+        - version
+
     CompatibilityLevel:
       type: object
       properties:

kafka-ui-e2e-checks/pom.xml

@@ -20,7 +20,7 @@
         <selenide.version>6.12.3</selenide.version>
         <testng.version>7.7.1</testng.version>
         <allure.version>2.22.2</allure.version>
-        <qase.io.version>3.0.4</qase.io.version>
+        <qase.io.version>3.0.5</qase.io.version>
         <aspectj.version>1.9.9.1</aspectj.version>
         <assertj.version>3.24.2</assertj.version>
         <hamcrest.version>2.2</hamcrest.version>

kafka-ui-react-app/src/components/Topics/Topic/Messages/getDefaultSerdeName.ts

@@ -1,8 +1,8 @@
 import { SerdeDescription } from 'generated-sources';
-import { getPrefferedDescription } from 'components/Topics/Topic/SendMessage/utils';
+import { getPreferredDescription } from 'components/Topics/Topic/SendMessage/utils';
 
 export const getDefaultSerdeName = (serdes: SerdeDescription[]) => {
-  const preffered = getPrefferedDescription(serdes);
+  const preffered = getPreferredDescription(serdes);
   if (preffered) {
     return preffered.name || '';
   }

kafka-ui-react-app/src/components/Topics/Topic/SendMessage/SendMessage.tsx

@@ -118,8 +118,8 @@ const SendMessage: React.FC<{ closeSidebar: () => void }> = ({
         valueSerde,
       });
       if (!keepContents) {
-        setValue('key', '');
+        setValue('key', defaultValues.key || '');
-        setValue('content', '');
+        setValue('content', defaultValues.content || '');
         closeSidebar();
       }
     } catch (e) {

kafka-ui-react-app/src/components/Topics/Topic/SendMessage/utils.ts

@@ -13,21 +13,21 @@ jsf.option('fillProperties', false);
 jsf.option('alwaysFakeOptionals', true);
 jsf.option('failOnInvalidFormat', false);
 
-const generateValueFromSchema = (preffered?: SerdeDescription) => {
+const generateValueFromSchema = (preferred?: SerdeDescription) => {
-  if (!preffered?.schema) {
+  if (!preferred?.schema) {
     return undefined;
   }
-  const parsedSchema = JSON.parse(preffered.schema);
+  const parsedSchema = JSON.parse(preferred.schema);
   const value = jsf.generate(parsedSchema);
   return JSON.stringify(value);
 };
 
-export const getPrefferedDescription = (serdes: SerdeDescription[]) =>
+export const getPreferredDescription = (serdes: SerdeDescription[]) =>
   serdes.find((s) => s.preferred);
 
 export const getDefaultValues = (serdes: TopicSerdeSuggestion) => {
-  const keySerde = getPrefferedDescription(serdes.key || []);
+  const keySerde = getPreferredDescription(serdes.key || []);
-  const valueSerde = getPrefferedDescription(serdes.value || []);
+  const valueSerde = getPreferredDescription(serdes.value || []);
 
   return {
     key: generateValueFromSchema(keySerde),
@@ -65,15 +65,15 @@ export const validateBySchema = (
     return errors;
   }
 
-  let parcedSchema;
+  let parsedSchema;
   let parsedValue;
 
   try {
-    parcedSchema = JSON.parse(schema);
+    parsedSchema = JSON.parse(schema);
   } catch (e) {
     return [`Error in parsing the "${type}" field schema`];
   }
-  if (parcedSchema.type === 'string') {
+  if (parsedSchema.type === 'string') {
     return [];
   }
   try {
@@ -84,7 +84,7 @@ export const validateBySchema = (
   try {
     const ajv = new Ajv();
     addFormats(ajv);
-    const validate = ajv.compile(parcedSchema);
+    const validate = ajv.compile(parsedSchema);
     validate(parsedValue);
     if (validate.errors) {
       errors = validate.errors.map(

pom.xml

@@ -26,17 +26,17 @@
         <assertj.version>3.19.0</assertj.version>
         <avro.version>1.11.1</avro.version>
         <byte-buddy.version>1.12.19</byte-buddy.version>
-        <confluent.version>7.3.3</confluent.version>
+        <confluent.version>7.4.0</confluent.version>
         <datasketches-java.version>3.1.0</datasketches-java.version>
         <groovy.version>3.0.13</groovy.version>
         <jackson.version>2.14.0</jackson.version>
-        <kafka-clients.version>3.3.1</kafka-clients.version>
+        <kafka-clients.version>3.5.0</kafka-clients.version>
         <org.mapstruct.version>1.5.5.Final</org.mapstruct.version>
         <org.projectlombok.version>1.18.24</org.projectlombok.version>
         <protobuf-java.version>3.23.3</protobuf-java.version>
         <scala-lang.library.version>2.13.9</scala-lang.library.version>
         <snakeyaml.version>2.0</snakeyaml.version>
-        <spring-boot.version>3.0.6</spring-boot.version>
+        <spring-boot.version>3.1.1</spring-boot.version>
         <kafka-ui-serde-api.version>1.0.0</kafka-ui-serde-api.version>
         <odd-oddrn-generator.version>0.1.17</odd-oddrn-generator.version>
         <odd-oddrn-client.version>0.1.23</odd-oddrn-client.version>