Allow venice driver to load multiple clusters under the same schema (#107)

Author: jogrogan

deploy/samples/venicedb.yaml

@@ -1,21 +1,21 @@
 apiVersion: hoptimator.linkedin.com/v1alpha1
 kind: Database
 metadata:
-  name: venice-cluster0
+  name: venice
 spec:
-  schema: VENICE-CLUSTER0
-  url: jdbc:venice://cluster=venice-cluster0;router.url=http://localhost:7777
+  schema: VENICE
+  url: jdbc:venice://clusters=venice-cluster0;router.url=http://localhost:7777
   dialect: Calcite
 
 ---
 
 apiVersion: hoptimator.linkedin.com/v1alpha1
 kind: TableTemplate
 metadata:
-  name: venice-template-cluster0
+  name: venice-template
 spec:
   databases:
-    - venice-cluster0
+    - venice
   connector: |
     connector = venice
     storeName = {{table}}

hoptimator-venice/src/main/java/com/linkedin/hoptimator/venice/ClusterSchema.java

@@ -1,7 +1,9 @@
 package com.linkedin.hoptimator.venice;
 
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Properties;
@@ -35,8 +37,10 @@ public ClusterSchema(Properties properties) {
 
   public void populate() throws InterruptedException, ExecutionException, IOException {
     tableMap.clear();
-    String cluster = properties.getProperty("cluster");
-    log.info("Loading Venice stores for cluster {}", cluster);
+    String clusterStr = properties.getProperty("clusters");
+    List<String> clusters = Arrays.asList(clusterStr.split(","));
+
+    log.info("Loading Venice stores for cluster {}", clusters);
 
     String sslConfigPath = properties.getProperty("ssl-config-path");
     Optional<SSLFactory> sslFactory = Optional.empty();
@@ -47,12 +51,14 @@ public void populate() throws InterruptedException, ExecutionException, IOExcept
       sslFactory = Optional.of(SslUtils.getSSLFactory(sslProperties, sslFactoryClassName));
     }
 
-    try (ControllerClient controllerClient = createControllerClient(cluster, sslFactory)) {
-      String[] stores = controllerClient.queryStoreList(false).getStores();
-      log.info("Loaded {} Venice stores.", stores.length);
-      for (String store : stores) {
-        StoreSchemaFetcher storeSchemaFetcher = createStoreSchemaFetcher(store);
-        tableMap.put(store, createVeniceStore(storeSchemaFetcher));
+    for (String cluster : clusters) {
+      try (ControllerClient controllerClient = createControllerClient(cluster, sslFactory)) {
+        String[] stores = controllerClient.queryStoreList(false).getStores();
+        log.info("Loaded {} Venice stores.", stores.length);
+        for (String store : stores) {
+          StoreSchemaFetcher storeSchemaFetcher = createStoreSchemaFetcher(store);
+          tableMap.put(store, createVeniceStore(storeSchemaFetcher));
+        }
       }
     }
   }

hoptimator-venice/src/main/java/com/linkedin/hoptimator/venice/VeniceDriver.java

@@ -3,7 +3,6 @@
 import java.io.IOException;
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.Locale;
 import java.util.Properties;
 
 import org.apache.calcite.avatica.ConnectStringParser;
@@ -16,7 +15,6 @@
 /** JDBC driver for Venice stores. */
 public class VeniceDriver extends Driver {
   public static final String CATALOG_NAME = "VENICE";
-  public static final String CONFIG_NAME = "venice.config";
 
   static {
     new VeniceDriver().register();
@@ -41,14 +39,7 @@ public Connection connect(String url, Properties props) throws SQLException {
     Properties properties = new Properties();
     properties.putAll(props); // in case the driver is loaded via getConnection()
     properties.putAll(ConnectStringParser.parse(url.substring(getConnectStringPrefix().length())));
-    String cluster = properties.getProperty("cluster");
-    if (cluster == null) {
-      throw new IllegalArgumentException("Missing required cluster property. Need: jdbc:venice://cluster=...");
-    }
-    cluster = cluster.toUpperCase(Locale.ROOT);
-    if (!cluster.startsWith(CATALOG_NAME)) {
-      cluster = CATALOG_NAME + "-" + cluster;
-    }
+
     try {
       Connection connection = super.connect(url, props);
       if (connection == null) {
@@ -60,7 +51,7 @@ public Connection connect(String url, Properties props) throws SQLException {
       SchemaPlus rootSchema = calciteConnection.getRootSchema();
       ClusterSchema schema = createClusterSchema(properties);
       schema.populate();
-      rootSchema.add(cluster.toUpperCase(Locale.ROOT), schema);
+      rootSchema.add(CATALOG_NAME, schema);
       return connection;
     } catch (Exception e) {
       throw new SQLException("Problem loading " + url, e);

hoptimator-venice/src/test/resources/venice-ddl-insert-all.id

@@ -1,22 +1,22 @@
 !set outputformat mysql
 !use k8s
 
-insert into "VENICE-CLUSTER0"."test-store-1" select * from "VENICE-CLUSTER0"."test-store";
+insert into "VENICE"."test-store-1" select * from "VENICE"."test-store";
 apiVersion: flink.apache.org/v1beta1
 kind: FlinkSessionJob
 metadata:
-  name: venice-cluster0-test-store-1
+  name: venice-test-store-1
   namespace: flink
 spec:
   deploymentName: basic-session-deployment
   job:
     entryClass: com.linkedin.hoptimator.flink.runner.FlinkRunner
     args:
-    - CREATE DATABASE IF NOT EXISTS `VENICE-CLUSTER0` WITH ()
-    - CREATE TABLE IF NOT EXISTS `VENICE-CLUSTER0`.`test-store` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store', 'value.fields-include'='EXCEPT_KEY')
-    - CREATE DATABASE IF NOT EXISTS `VENICE-CLUSTER0` WITH ()
-    - CREATE TABLE IF NOT EXISTS `VENICE-CLUSTER0`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
-    - INSERT INTO `VENICE-CLUSTER0`.`test-store-1` (`KEY_id`, `intField`, `stringField`) SELECT * FROM `VENICE-CLUSTER0`.`test-store`
+    - CREATE DATABASE IF NOT EXISTS `VENICE` WITH ()
+    - CREATE TABLE IF NOT EXISTS `VENICE`.`test-store` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store', 'value.fields-include'='EXCEPT_KEY')
+    - CREATE DATABASE IF NOT EXISTS `VENICE` WITH ()
+    - CREATE TABLE IF NOT EXISTS `VENICE`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
+    - INSERT INTO `VENICE`.`test-store-1` (`KEY_id`, `intField`, `stringField`) SELECT * FROM `VENICE`.`test-store`
     jarURI: file:///opt/hoptimator-flink-runner.jar
     parallelism: 1
     upgradeMode: stateless

hoptimator-venice/src/test/resources/venice-ddl-insert-partial.id

@@ -1,22 +1,22 @@
 !set outputformat mysql
 !use k8s
 
-insert into "VENICE-CLUSTER0"."test-store-1" ("KEY_id", "intField") select "KEY_id", "stringField" from "VENICE-CLUSTER0"."test-store";
+insert into "VENICE"."test-store-1" ("KEY_id", "intField") select "KEY_id", "stringField" from "VENICE"."test-store";
 apiVersion: flink.apache.org/v1beta1
 kind: FlinkSessionJob
 metadata:
-  name: venice-cluster0-test-store-1
+  name: venice-test-store-1
   namespace: flink
 spec:
   deploymentName: basic-session-deployment
   job:
     entryClass: com.linkedin.hoptimator.flink.runner.FlinkRunner
     args:
-    - CREATE DATABASE IF NOT EXISTS `VENICE-CLUSTER0` WITH ()
-    - CREATE TABLE IF NOT EXISTS `VENICE-CLUSTER0`.`test-store` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store', 'value.fields-include'='EXCEPT_KEY')
-    - CREATE DATABASE IF NOT EXISTS `VENICE-CLUSTER0` WITH ()
-    - CREATE TABLE IF NOT EXISTS `VENICE-CLUSTER0`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
-    - INSERT INTO `VENICE-CLUSTER0`.`test-store-1` (`KEY_id`, `intField`) SELECT `KEY_id`, CAST(`stringField` AS SIGNED) AS `intField` FROM `VENICE-CLUSTER0`.`test-store`
+    - CREATE DATABASE IF NOT EXISTS `VENICE` WITH ()
+    - CREATE TABLE IF NOT EXISTS `VENICE`.`test-store` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store', 'value.fields-include'='EXCEPT_KEY')
+    - CREATE DATABASE IF NOT EXISTS `VENICE` WITH ()
+    - CREATE TABLE IF NOT EXISTS `VENICE`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
+    - INSERT INTO `VENICE`.`test-store-1` (`KEY_id`, `intField`) SELECT `KEY_id`, CAST(`stringField` AS SIGNED) AS `intField` FROM `VENICE`.`test-store`
     jarURI: file:///opt/hoptimator-flink-runner.jar
     parallelism: 1
     upgradeMode: stateless

hoptimator-venice/src/test/resources/venice-ddl-select.id

@@ -1,7 +1,7 @@
 !set outputformat mysql
 !use k8s
 
-select * from "VENICE-CLUSTER0"."test-store-1";
+select * from "VENICE"."test-store-1";
 apiVersion: flink.apache.org/v1beta1
 kind: FlinkSessionJob
 metadata:
@@ -12,11 +12,11 @@ spec:
   job:
     entryClass: com.linkedin.hoptimator.flink.runner.FlinkRunner
     args:
-    - CREATE DATABASE IF NOT EXISTS `VENICE-CLUSTER0` WITH ()
-    - CREATE TABLE IF NOT EXISTS `VENICE-CLUSTER0`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
+    - CREATE DATABASE IF NOT EXISTS `VENICE` WITH ()
+    - CREATE TABLE IF NOT EXISTS `VENICE`.`test-store-1` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ('connector'='venice', 'key.fields'='KEY_id', 'key.fields-prefix'='KEY_', 'key.type'='RECORD', 'partial-update-mode'='true', 'storeName'='test-store-1', 'value.fields-include'='EXCEPT_KEY')
     - CREATE DATABASE IF NOT EXISTS `PIPELINE` WITH ()
     - CREATE TABLE IF NOT EXISTS `PIPELINE`.`SINK` (`KEY_id` INTEGER, `intField` INTEGER, `stringField` VARCHAR) WITH ()
-    - INSERT INTO `PIPELINE`.`SINK` (`KEY_id`, `intField`, `stringField`) SELECT * FROM `VENICE-CLUSTER0`.`test-store-1`
+    - INSERT INTO `PIPELINE`.`SINK` (`KEY_id`, `intField`, `stringField`) SELECT * FROM `VENICE`.`test-store-1`
     jarURI: file:///opt/hoptimator-flink-runner.jar
     parallelism: 1
     upgradeMode: stateless