feat(sink demo): Add http sink demo

integration_tests/http-sink/README.md

@@ -0,0 +1,26 @@
+# Demo: Sinking to Http
+
+In this demo, we want to showcase how RisingWave is able to sink data to Http.
+
+1. Launch the cluster:
+
+```sh
+docker-compose up -d
+```
+
+The cluster contains a RisingWave cluster and its necessary dependencies, a datagen that generates the data.
+
+2. Build an Http Server that can be built on its own
+
+3. Execute the SQL queries in sequence:
+
+- create_source.sql
+- create_mv.sql
+- create_sink.sql
+
+4. Check the contents in Http Server:
+On the Http Server side it will receive the json string, something like:
+```
+{"user_id":5,"target_id":"siFqrkdlCn"}
+```
+The number of json is 1000

integration_tests/http-sink/create_mv.sql

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+CREATE MATERIALIZED VIEW bhv_mv AS
+SELECT
+    user_id,
+    target_id
+FROM
+    user_behaviors;

integration_tests/http-sink/create_sink.sql

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+CREATE sink bhv_http_sink FROM bhv_mv WITH (
+  connector = 'http',
+  url = 'http://localhost:8080/endpoint',
+  format = 'json',
+  type = 'append-only',
+  force_append_only='true',
+  primary_key = 'user_id',
+  gid.connector.http.sink.header.Origin = '*',
+  "gid.connector.http.sink.header.X-Content-Type-Options" = 'nosniff',
+  "gid.connector.http.sink.header.Content-Type" = 'application/json'
+);

integration_tests/http-sink/create_source.sql

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+CREATE table user_behaviors (
+    user_id int,
+    target_id VARCHAR,
+    target_type VARCHAR,
+    event_timestamp TIMESTAMP,
+    behavior_type VARCHAR,
+    parent_target_type VARCHAR,
+    parent_target_id VARCHAR,
+    PRIMARY KEY(user_id)
+) WITH (
+    connector = 'datagen',
+    fields.user_id.kind = 'sequence',
+    fields.user_id.start = '1',
+    fields.user_id.end = '1000',
+    fields.user_name.kind = 'random',
+    fields.user_name.length = '10',
+    datagen.rows.per.second = '10'
+) FORMAT PLAIN ENCODE JSON;

integration_tests/http-sink/docker-compose.yml

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+---
+version: "3"
+services:
+  risingwave-standalone:
+    extends:
+      file: ../../docker/docker-compose.yml
+      service: risingwave-standalone
+  etcd-0:
+    extends:
+      file: ../../docker/docker-compose.yml
+      service: etcd-0
+  grafana-0:
+    extends:
+      file: ../../docker/docker-compose.yml
+      service: grafana-0
+  minio-0:
+    extends:
+      file: ../../docker/docker-compose.yml
+      service: minio-0
+  prometheus-0:
+    extends:
+      file: ../../docker/docker-compose.yml
+      service: prometheus-0
+volumes:
+  risingwave-standalone:
+    external: false
+  etcd-0:
+    external: false
+  grafana-0:
+    external: false
+  minio-0:
+    external: false
+  prometheus-0:
+    external: false
+  message_queue:
+    external: false
+name: risingwave-compose

java/connector-node/risingwave-connector-service/pom.xml

@@ -99,7 +99,6 @@
         <dependency>
             <groupId>com.risingwave</groupId>
             <artifactId>risingwave-sink-mock-flink-http-sink</artifactId>
-            <scope>provided</scope>
         </dependency>
     </dependencies>
 </project>