feat: Support Redis Importer

README.md

@@ -14,7 +14,7 @@ A monitoring application for [Zeebe](https://zeebe.io). It is designed for devel
 * test workflows manually
 * provide insides on how workflows are executed 
 
-The application imports the data from Zeebe using the [Hazelcast exporter](https://github.com/camunda-community-hub/zeebe-hazelcast-exporter) or [Kafka exporter](https://github.com/camunda-community-hub/zeebe-kafka-exporter). It aggregates the data and stores it into a database. The data is displayed on server-side rendered HTML pages.
+The application imports the data from Zeebe using the [Hazelcast exporter](https://github.com/camunda-community-hub/zeebe-hazelcast-exporter), [Kafka exporter](https://github.com/camunda-community-hub/zeebe-kafka-exporter) or [Redis exporter](https://github.com/camunda-community-hub/zeebe-redis-exporter). It aggregates the data and stores it into a database. The data is displayed on server-side rendered HTML pages.
 
 ![how-it-works](docs/how-it-works.png)
 
@@ -59,21 +59,35 @@ By default, the Zeebe Simple Monitor imports Zeebe events through Hazelcast, but
   * In order to import events efficiently and quickly, Zeebe brokers partitions and Kafka topic partitions should be correlated in a special way: [reference to the exporter docs](https://github.com/camunda-community-hub/zeebe-kafka-exporter?tab=readme-ov-file#partitioning)
 * Configure the environment variables in the Zeebe Simple Monitor as described in the "[Change the default Zeebe importer to Kafka](#change-the-default-zeebe-importer-to-kafka)" section
 
+**Switch to the Redis exporter/importer**
+
+* Ensure that a Zeebe broker is running with a [Redis exporter](https://github.com/camunda-community-hub/zeebe-redis-exporter)
+* Adjust the following environment variables in Zeebe:
+  ```
+  - ZEEBE_REDIS_REMOTE_ADDRESS=redis://redis:6379
+  - ZEEBE_REDIS_MAX_TIME_TO_LIVE_IN_SECONDS=900
+  - ZEEBE_REDIS_DELETE_AFTER_ACKNOWLEDGE=true
+  ```
+* Configure the connection to the Zeebe broker by setting `zeebe.client.broker.gateway-address` (default: `localhost:26500`)
+* Configure the connection to Redis by setting `zeebe.client.worker.redis.connection` (default: `redis://localhost:6379`)
+* Activate Redis by setting `zeebe-importer: redis`
+
 
 If the Zeebe broker runs on your local machine with the default configs then start the container with the following command:  
 
 ```
 docker run --network="host" ghcr.io/camunda-community-hub/zeebe-simple-monitor:2.4.1
 ```
 
-For a local setup, the repository contains a [docker-compose file](docker/docker-compose.yml). It starts a Zeebe broker with the Hazelcast/Kafka exporter and the application. 
+For a local setup, the repository contains a [docker-compose file](docker/docker-compose.yml). It starts a Zeebe broker with the Hazelcast/Kafka/Redis exporter and the application. 
 There are several Docker Compose profiles, setting by a file [.env](docker/.env), by passing multiple --profile flags or a comma-separated list for the COMPOSE_PROFILES environment variable:
 * ```docker compose --profile hazelcast --profile hazelcast_in_memory up```
 * ```COMPOSE_PROFILES=hazelcast,hazelcast_in_memory docker compose up```
 
 Existing presets:
 * ```COMPOSE_PROFILES=hazelcast,hazelcast_in_memory``` (by default)
 * ```COMPOSE_PROFILES=kafka,kafka_in_memory```
+* ```COMPOSE_PROFILES=redis,redis_in_memory```
 * ```COMPOSE_PROFILES=hazelcast,hazelcast_postgres,postgres```
 * ```COMPOSE_PROFILES=hazelcast,hazelcast_mysql,mysql```
 
@@ -89,6 +103,7 @@ Go to http://localhost:8082
 To change the database see "[Change the Database](#change-the-database)"
 
 To change Zeebe importer see "[Change the default Zeebe importer to Kafka](#change-the-default-zeebe-importer-to-kafka)"
+or "[Change the default Zeebe importer to Redis](#change-the-default-zeebe-importer-to-redis)"
 
 ```
 docker-compose --profile postgres up
@@ -252,7 +267,29 @@ See the [docker-compose file](docker/docker-compose.yml) for a sample configurat
   * `spring.kafka.custom.concurrency` (default: `3`) is the number of threads for the Kafka listener that will import events from Zeebe
   * `spring.kafka.custom.retry.intervalMs` (default: `30000`)  and `spring.kafka.custom.retry.max-attempts` (default: `3`) are the retry configurations for a retryable exception in the listener
 
-Refer to the [docker-compose file](docker/docker-compose.yml) for a sample configuration with the Kafka importer. Profiles presets: `kafka,kafka_in_memory`
+Refer to the [docker-compose file](docker/docker-compose.yml) for a sample configuration with the Kafka importer. Profile presets: `kafka,kafka_in_memory`
+
+#### Change the default Zeebe importer to Redis
+
+* set the `zeebe-importer` (default: `hazelcast`) configuration property to `redis`
+* adjust the importer settings under `zeebe.client.worker.redis` (complete default values below):
+  ```
+  zeebe:
+    client:
+      broker.gatewayAddress: 127.0.0.1:26500
+      security.plaintext: true
+
+      worker:
+        redis:
+          connection: redis://localhost:6379
+          consumer-group: simple-monitor
+          xread-count: 500
+          xread-block-millis: 2000
+
+  zeebe-importer: redis
+  ```
+
+Refer to the [docker-compose file](docker/docker-compose.yml) for a sample configuration with the Redis importer. Profile presets: `redis,redis_in_memory`
 
 ## Code of Conduct
 

docker/docker-compose.yml

@@ -43,6 +43,23 @@ services:
     profiles:
       - kafka
 
+  zeebe-redis:
+    container_name: zeebe-broker-redis
+    image: ghcr.io/camunda-community-hub/zeebe-with-redis-exporter:8.4.0
+    environment:
+      - ZEEBE_REDIS_REMOTE_ADDRESS=redis://redis:6379
+      - ZEEBE_REDIS_MAX_TIME_TO_LIVE_IN_SECONDS=900
+      - ZEEBE_REDIS_DELETE_AFTER_ACKNOWLEDGE=true
+    ports:
+      - "26500:26500"
+      - "9600:9600"
+    networks:
+      - zeebe_network
+    volumes:
+      - ./redis/application.yaml:/usr/local/zeebe/config/application.yaml
+    profiles:
+      - redis
+
   zookeeper:
     image: docker.io/bitnami/zookeeper:3.8
     ports:
@@ -73,6 +90,16 @@ services:
     profiles:
       - kafka
 
+  redis:
+    container_name: redis_cache
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+    networks:
+      - zeebe_network
+    profiles:
+      - redis
+
   simple-monitor-in-memory:
     container_name: zeebe-simple-monitor-in-memory
     image: ghcr.io/camunda-community-hub/zeebe-simple-monitor:2.5.2
@@ -106,6 +133,22 @@ services:
     profiles:
       - kafka_in_memory
 
+  simple-monitor-in-memory-redis:
+    container_name: zeebe-simple-monitor-in-memory-redis
+    image: ghcr.io/camunda-community-hub/zeebe-simple-monitor:2.6.4
+    environment:
+      - zeebe.client.broker.gateway-address=zeebe:26500
+      - zeebe-importer=redis
+      - zeebe.client.worker.redis.connection=redis://redis:6379
+    ports:
+      - "8082:8082"
+    depends_on:
+      - zeebe-redis
+    networks:
+      - zeebe_network
+    profiles:
+      - redis_in_memory
+
   simple-monitor-postgres:
     container_name: zeebe-simple-monitor-postgres
     image: ghcr.io/camunda-community-hub/zeebe-simple-monitor:2.5.2

docker/redis/application.yaml

@@ -0,0 +1,6 @@
+zeebe:
+  broker:
+    exporters:
+      redis:
+        className: io.zeebe.redis.exporter.RedisExporter
+        jarPath: exporters/zeebe-redis-exporter-jar-with-dependencies.jar

pom.xml

@@ -21,6 +21,7 @@
         <zeebe.version>8.3.4</zeebe.version>
         <version.zeebe.spring>8.4.0</version.zeebe.spring>
         <hazelcast.exporter.version>1.4.0</hazelcast.exporter.version>
+        <redis.exporter.version>0.9.9</redis.exporter.version>
 
         <querydsl.version>5.0.0</querydsl.version>
 
@@ -73,6 +74,12 @@
                 <version>${hazelcast.exporter.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>io.zeebe.redis</groupId>
+                <artifactId>zeebe-redis-connector</artifactId>
+                <version>${redis.exporter.version}</version>
+            </dependency>
+
             <dependency>
                 <groupId>com.h2database</groupId>
                 <artifactId>h2</artifactId>
@@ -142,6 +149,11 @@
             <artifactId>zeebe-hazelcast-connector</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>io.zeebe.redis</groupId>
+            <artifactId>zeebe-redis-connector</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>io.camunda</groupId>
             <artifactId>zeebe-protocol-jackson</artifactId>

src/main/java/io/zeebe/monitor/config/RedisConfig.java

@@ -0,0 +1,38 @@
+package io.zeebe.monitor.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Configuration;
+
+@ConditionalOnProperty(name = "zeebe-importer", havingValue = "redis")
+@Configuration
+public class RedisConfig {
+
+    @Value("${zeebe.client.worker.redis.connection}")
+    private String redisConnection;
+
+    @Value("${zeebe.client.worker.redis.consumer-group:simple-monitor}")
+    private String redisConumerGroup;
+
+    @Value("${zeebe.client.worker.redis.xread-count:500}")
+    private int redisXreadCount;
+
+    @Value("${zeebe.client.worker.redis.xread-block-millis:2000}")
+    private int redisXreadBlockMillis;
+
+    public String getRedisConnection() {
+        return redisConnection;
+    }
+
+    public String getRedisConumerGroup() {
+        return redisConumerGroup;
+    }
+
+    public int getRedisXreadCount() {
+        return redisXreadCount;
+    }
+
+    public int getRedisXreadBlockMillis() {
+        return redisXreadBlockMillis;
+    }
+}

src/main/java/io/zeebe/monitor/zeebe/hazelcast/HazelcastImportService.java

@@ -5,14 +5,14 @@
 import io.zeebe.hazelcast.connect.java.ZeebeHazelcast;
 import io.zeebe.monitor.entity.HazelcastConfig;
 import io.zeebe.monitor.repository.HazelcastConfigRepository;
-import io.zeebe.monitor.zeebe.hazelcast.importers.ErrorHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.IncidentHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.JobHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.MessageHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.MessageSubscriptionHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.ProcessAndElementHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.TimerHazelcastImporter;
-import io.zeebe.monitor.zeebe.hazelcast.importers.VariableHazelcastImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.ErrorProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.IncidentProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.JobProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.MessageProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.MessageSubscriptionProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.ProcessAndElementProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.TimerProtobufImporter;
+import io.zeebe.monitor.zeebe.protobuf.importers.VariableProtobufImporter;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -21,14 +21,14 @@
 @Component
 public class HazelcastImportService {
 
-  @Autowired private ProcessAndElementHazelcastImporter processAndElementImporter;
-  @Autowired private VariableHazelcastImporter variableImporter;
-  @Autowired private JobHazelcastImporter jobImporter;
-  @Autowired private IncidentHazelcastImporter incidentImporter;
-  @Autowired private MessageHazelcastImporter messageImporter;
-  @Autowired private MessageSubscriptionHazelcastImporter messageSubscriptionImporter;
-  @Autowired private TimerHazelcastImporter timerImporter;
-  @Autowired private ErrorHazelcastImporter errorImporter;
+  @Autowired private ProcessAndElementProtobufImporter processAndElementImporter;
+  @Autowired private VariableProtobufImporter variableImporter;
+  @Autowired private JobProtobufImporter jobImporter;
+  @Autowired private IncidentProtobufImporter incidentImporter;
+  @Autowired private MessageProtobufImporter messageImporter;
+  @Autowired private MessageSubscriptionProtobufImporter messageSubscriptionImporter;
+  @Autowired private TimerProtobufImporter timerImporter;
+  @Autowired private ErrorProtobufImporter errorImporter;
 
   @Autowired private HazelcastConfigRepository hazelcastConfigRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/ErrorHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/ErrorProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.zeebe.exporter.proto.Schema;
 import io.zeebe.monitor.entity.ErrorEntity;
@@ -7,7 +7,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class ErrorHazelcastImporter {
+public class ErrorProtobufImporter {
 
   @Autowired private ErrorRepository errorRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/IncidentHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/IncidentProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.record.intent.IncidentIntent;
 import io.zeebe.exporter.proto.Schema;
@@ -8,7 +8,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class IncidentHazelcastImporter {
+public class IncidentProtobufImporter {
 
   @Autowired private IncidentRepository incidentRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/JobHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/JobProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.record.intent.JobIntent;
 import io.zeebe.exporter.proto.Schema;
@@ -8,7 +8,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class JobHazelcastImporter {
+public class JobProtobufImporter {
 
   @Autowired private JobRepository jobRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/MessageHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/MessageProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.record.intent.MessageIntent;
 import io.zeebe.exporter.proto.Schema;
@@ -8,7 +8,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class MessageHazelcastImporter {
+public class MessageProtobufImporter {
 
   @Autowired private MessageRepository messageRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/MessageSubscriptionHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/MessageSubscriptionProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.record.intent.MessageStartEventSubscriptionIntent;
 import io.camunda.zeebe.protocol.record.intent.MessageSubscriptionIntent;
@@ -10,7 +10,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class MessageSubscriptionHazelcastImporter {
+public class MessageSubscriptionProtobufImporter {
 
   @Autowired private MessageSubscriptionRepository messageSubscriptionRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/ProcessAndElementHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/ProcessAndElementProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.Protocol;
 import io.camunda.zeebe.protocol.record.intent.Intent;
@@ -15,7 +15,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class ProcessAndElementHazelcastImporter {
+public class ProcessAndElementProtobufImporter {
 
   @Autowired private ProcessRepository processRepository;
   @Autowired private ProcessInstanceRepository processInstanceRepository;

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/TimerHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/TimerProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.camunda.zeebe.protocol.record.intent.TimerIntent;
 import io.zeebe.exporter.proto.Schema;
@@ -8,7 +8,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class TimerHazelcastImporter {
+public class TimerProtobufImporter {
 
   @Autowired private TimerRepository timerRepository;
 

src/main/java/io/zeebe/monitor/zeebe/hazelcast/importers/VariableHazelcastImporter.java → src/main/java/io/zeebe/monitor/zeebe/protobuf/importers/VariableProtobufImporter.java

@@ -1,4 +1,4 @@
-package io.zeebe.monitor.zeebe.hazelcast.importers;
+package io.zeebe.monitor.zeebe.protobuf.importers;
 
 import io.zeebe.exporter.proto.Schema;
 import io.zeebe.monitor.entity.VariableEntity;
@@ -7,7 +7,7 @@
 import org.springframework.stereotype.Component;
 
 @Component
-public class VariableHazelcastImporter {
+public class VariableProtobufImporter {
 
   @Autowired private VariableRepository variableRepository;