Updated the docker demo

Now uses the datagen connector to generate the data.
Also adds the confluent-control-center so the kafka data can be
examined there.

KAFKA-36

Author: rozza

docker/Dockerfile

@@ -0,0 +1,5 @@
+FROM confluentinc/cp-kafka-connect:5.2.2
+
+ENV CONNECT_PLUGIN_PATH="/usr/share/confluent-hub-components"
+
+RUN  confluent-hub install --no-prompt confluentinc/kafka-connect-datagen:latest

docker/README.md

@@ -1,9 +1,9 @@
 # MongoDB & Kafka Docker end to end example
 
-A simple example that takes JSON documents from the `source` topic and stores them into the `test.sink` collection in MongoDB using 
+A simple example that takes JSON documents from the `pageviews` topic and stores them into the `test.pageviews` collection in MongoDB using 
 the MongoDB Kafka Sink Connector. 
 
-The MongoDB Kafka Source Connector also publishes all change stream events from `test.sink` into the `mongo.test.sink` topic.
+The MongoDB Kafka Source Connector also publishes all change stream events from `test.pageviews` into the `mongo.test.pageviews` topic.
 
 ## Requirements
   - Docker 18.09+
@@ -16,26 +16,27 @@ To run the example: `./run.sh` which will:
 
   - Run `docker-compose up` 
   - Wait for MongoDB, Kafka, Kafka Connect to be ready
+  - Register the Confluent Datagen Connector
   - Register the MongoDB Kafka Sink Connector
   - Register the MongoDB Kafka Source Connector
-  - Publish some events to Kafka
+  - Publish some events to Kafka via the Datagen connector
   - Write the events to MongoDB  
-  - Write the change stream messages to Kafka
+  - Write the change stream messages back into Kafka
 
 
-Once running, examine the topics in the Kafka UI: http://localhost:8000/
-  - The `source` topic should contain the 10 simple documents added. Each similar to:<br>
+Once running, examine the topics in the Kafka control center: http://localhost:9021/
+  - The `pageviews` topic should contain the 10 simple documents added. Each similar to:<br>
     ```json
-    {"i": "0"}
+    {"viewtime": {"$numberLong": "81"}, "pageid": "Page_1", "userid": "User_8"}
     ```
-  - The `mongo.test.sink` should contain the 10 change events. Each similar to:<br>
+  - The `mongo.test.pageviews` should contain the 10 change events. Each similar to:<br>
     ```json
-    {"_id": {"_data": "<resumeToken>"}, 
-     "operationType": "insert",
-     "ns": {"db": "test", "coll": "sink"},
-     "documentKey": {"_id": {"$oid": "5cc99f4893283d634cb3f59e"}},
-     "clusterTime": {"$timestamp": {"t": 1556717385, "i": 1}},
-     "fullDocument": {"_id": {"$oid": "5cc99f4893283d634cb3f59e"}, "i": "0"}}
+     {"_id": {"_data": "<resumeToken>"}, 
+      "operationType": "insert", 
+      "clusterTime": {"$timestamp": {"t": 1563461814, "i": 4}}, 
+      "fullDocument": {"_id": {"$oid": "5d3088b6bafa7829964150f3"}, "viewtime": {"$numberLong": "81"}, "pageid": "Page_1", "userid": "User_8"}, 
+      "ns": {"db": "test", "coll": "pageviews"}, 
+      "documentKey": {"_id": {"$oid": "5d3088b6bafa7829964150f3"}}} 
     ```
 
 Examine the collections in MongoDB:
@@ -50,6 +51,8 @@ The following systems will be created:
   - Kafka
   - Confluent Schema Registry
   - Confluent Kafka Connect
+  - Confluent Control Center
+  - Confluent KSQL Server
   - Kafka Rest Proxy
   - Kafka Topics UI
   - MongoDB - a 3 node replicaset

docker/docker-compose.yml

@@ -1,7 +1,7 @@
-version: '3.5'
+version: '3.6'
 services:
   zookeeper:
-    image: confluentinc/cp-zookeeper:5.2.1
+    image: confluentinc/cp-zookeeper:5.2.2
     hostname: zookeeper
     container_name: zookeeper
     ports:
@@ -12,10 +12,10 @@ services:
       ZOOKEEPER_CLIENT_PORT: 2181
       ZOOKEEPER_TICK_TIME: 2000
 
-  kafka:
-    image: confluentinc/cp-kafka:5.2.1
-    hostname: kafka
-    container_name: kafka
+  broker:
+    image: confluentinc/cp-enterprise-kafka:5.2.2
+    hostname: broker
+    container_name: broker
     depends_on:
       - zookeeper
     ports:
@@ -25,17 +25,25 @@ services:
       - localnet
     environment:
       KAFKA_BROKER_ID: 1
-      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
       KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
-      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:29092,PLAINTEXT_HOST://localhost:9092
+      KAFKA_METRIC_REPORTERS: io.confluent.metrics.reporter.ConfluentMetricsReporter
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
+      CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS: broker:29092
+      CONFLUENT_METRICS_REPORTER_ZOOKEEPER_CONNECT: zookeeper:2181
+      CONFLUENT_METRICS_REPORTER_TOPIC_REPLICAS: 1
+      CONFLUENT_METRICS_ENABLE: 'true'
+      CONFLUENT_SUPPORT_CUSTOMER_ID: 'anonymous'
 
   schema-registry:
-    image: confluentinc/cp-schema-registry:5.2.1
+    image: confluentinc/cp-schema-registry:5.2.2
     hostname: schema-registry
     container_name: schema-registry
     depends_on:
       - zookeeper
-      - kafka
+      - broker
     ports:
       - "8081:8081"
     networks:
@@ -45,54 +53,125 @@ services:
       SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: 'zookeeper:2181'
 
   connect:
-    image: confluentinc/cp-kafka-connect:5.2.1
-    hostname: "connect"
+    image: confluentinc/kafka-connect-datagen:latest
+    build:
+      context: .
+      dockerfile: Dockerfile
+    hostname: connect
+    container_name: connect
+    depends_on:
+      - zookeeper
+      - broker
+      - schema-registry
     ports:
-      - "18083:18083"
+      - "8083:8083"
     networks:
       - localnet
     environment:
-      CONNECT_BOOTSTRAP_SERVERS: "kafka:29092"
-      CONNECT_REST_PORT: 18083
+      CONNECT_BOOTSTRAP_SERVERS: 'broker:29092'
+      CONNECT_REST_ADVERTISED_HOST_NAME: connect
+      CONNECT_REST_PORT: 8083
       CONNECT_GROUP_ID: compose-connect-group
       CONNECT_CONFIG_STORAGE_TOPIC: docker-connect-configs
+      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: 1
+      CONNECT_OFFSET_FLUSH_INTERVAL_MS: 10000
       CONNECT_OFFSET_STORAGE_TOPIC: docker-connect-offsets
+      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: 1
       CONNECT_STATUS_STORAGE_TOPIC: docker-connect-status
+      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: 1
       CONNECT_KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
       CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: 'http://schema-registry:8081'
       CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
       CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: 'http://schema-registry:8081'
       CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
       CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
-      CONNECT_REST_ADVERTISED_HOST_NAME: "connect"
       CONNECT_LOG4J_ROOT_LOGLEVEL: "INFO"
       CONNECT_LOG4J_LOGGERS: "org.apache.kafka.connect.runtime.rest=WARN,org.reflections=ERROR,com.mongodb.kafka=DEBUG"
-      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1"
-      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1"
-      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1"
-      CONNECT_PLUGIN_PATH:  /usr/local/share/kafka/plugins
+      CONNECT_PLUGIN_PATH: /usr/share/confluent-hub-components
+      CONNECT_ZOOKEEPER_CONNECT: 'zookeeper:2181'
+      # Assumes image is based on confluentinc/kafka-connect-datagen:latest which is pulling 5.2.2 Connect image
+      CLASSPATH: /usr/share/java/monitoring-interceptors/monitoring-interceptors-5.2.2.jar
+      CONNECT_PRODUCER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor"
+      CONNECT_CONSUMER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor"
+    command: "bash -c 'if [ ! -d /usr/share/confluent-hub-components/confluentinc-kafka-connect-datagen ]; then echo \"WARNING: Did not find directory for kafka-connect-datagen (did you remember to run: docker-compose up -d --build ?)\"; fi ; /etc/confluent/docker/run'"
     volumes:
-        - ../build/confluent/kafka-connect-mongodb:/usr/local/share/kafka/plugins/
+      - ../build/confluent/kafka-connect-mongodb:/usr/share/confluent-hub-components/kafka-connect-mongodb
+
+  control-center:
+    image: confluentinc/cp-enterprise-control-center:5.2.2
+    hostname: control-center
+    container_name: control-center
     depends_on:
       - zookeeper
-      - kafka
+      - broker
       - schema-registry
+      - connect
+      - ksql-server
+    ports:
+      - "9021:9021"
+    networks:
+      - localnet
+    environment:
+      CONTROL_CENTER_BOOTSTRAP_SERVERS: 'broker:29092'
+      CONTROL_CENTER_ZOOKEEPER_CONNECT: 'zookeeper:2181'
+      CONTROL_CENTER_CONNECT_CLUSTER: 'connect:8083'
+      CONTROL_CENTER_KSQL_URL: "http://ksql-server:8088"
+      CONTROL_CENTER_KSQL_ADVERTISED_URL: "http://localhost:8088"
+      CONTROL_CENTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
+      CONTROL_CENTER_REPLICATION_FACTOR: 1
+      CONTROL_CENTER_INTERNAL_TOPICS_PARTITIONS: 1
+      CONTROL_CENTER_MONITORING_INTERCEPTOR_TOPIC_PARTITIONS: 1
+      CONFLUENT_METRICS_TOPIC_REPLICATION: 1
+      PORT: 9021
+
+  ksql-server:
+    image: confluentinc/cp-ksql-server:5.2.2
+    hostname: ksql-server
+    container_name: ksql-server
+    depends_on:
+      - broker
+      - connect
+    ports:
+      - "8088:8088"
+    networks:
+      - localnet
+    environment:
+      KSQL_CONFIG_DIR: "/etc/ksql"
+      KSQL_LOG4J_OPTS: "-Dlog4j.configuration=file:/etc/ksql/log4j-rolling.properties"
+      KSQL_BOOTSTRAP_SERVERS: "broker:29092"
+      KSQL_HOST_NAME: ksql-server
+      KSQL_APPLICATION_ID: "cp-all-in-one"
+      KSQL_LISTENERS: "http://0.0.0.0:8088"
+      KSQL_CACHE_MAX_BYTES_BUFFERING: 0
+      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
+      KSQL_PRODUCER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor"
+      KSQL_CONSUMER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor"
+
+  ksql-cli:
+    image: confluentinc/cp-ksql-cli:5.2.2
+    container_name: ksql-cli
+    depends_on:
+      - broker
+      - connect
+      - ksql-server
+    entrypoint: /bin/sh
+    tty: true
 
   rest-proxy:
-    image: confluentinc/cp-kafka-rest:5.2.1
+    image: confluentinc/cp-kafka-rest:5.2.2
     depends_on:
       - zookeeper
-      - kafka
+      - broker
       - schema-registry
     ports:
-      - "8082:8082"
-    networks:
-      - localnet
+      - 8082:8082
     hostname: rest-proxy
     container_name: rest-proxy
+    networks:
+      - localnet
     environment:
       KAFKA_REST_HOST_NAME: rest-proxy
-      KAFKA_REST_BOOTSTRAP_SERVERS: 'kafka:29092'
+      KAFKA_REST_BOOTSTRAP_SERVERS: 'broker:29092'
       KAFKA_REST_LISTENERS: "http://0.0.0.0:8082"
       KAFKA_REST_SCHEMA_REGISTRY_URL: 'http://schema-registry:8081'
 
@@ -108,13 +187,14 @@ services:
       PROXY: "true"
     depends_on:
       - zookeeper
-      - kafka
+      - broker
       - schema-registry
       - rest-proxy
 
   # MongoDB Replica Set
   mongo1:
     image: "mongo:4.0-xenial"
+    container_name: mongo1
     command: --replSet rs0 --smallfiles --oplogSize 128
     volumes:
       - rs1:/data/db
@@ -125,6 +205,7 @@ services:
     restart: always
   mongo2:
     image: "mongo:4.0-xenial"
+    container_name: mongo2
     command: --replSet rs0 --smallfiles --oplogSize 128
     volumes:
       - rs2:/data/db
@@ -135,6 +216,7 @@ services:
     restart: always
   mongo3:
     image: "mongo:4.0-xenial"
+    container_name: mongo3
     command: --replSet rs0 --smallfiles --oplogSize 128
     volumes:
       - rs3:/data/db