This class is responsible for parsing configuration parameters, initializing the Flink + * execution environment, and coordinating the construction of the tiering pipeline. + * + *
Extensibility: Customization of Flink execution environment and configurations is supported
+ * through the {@link LakeTieringDecoratorPlugin} SPI mechanism. Different environments (e.g.,
+ * internal vs. public cloud) can provide their own decorator implementations.
+ */
+public class FlussLakeTiering {
+
+ private static final String FLUSS_CONF_PREFIX = "fluss.";
+ private static final String LAKE_TIERING_CONFIG_PREFIX = "lake.tiering.";
+
+ protected final StreamExecutionEnvironment execEnv;
+ protected final String dataLake;
+ protected final Configuration flussConfig;
+ protected final Configuration lakeConfig;
+ protected final Configuration lakeTieringConfig;
+
+ public FlussLakeTiering(String[] args) {
+ // parse params
+ final MultipleParameterToolAdapter params = MultipleParameterToolAdapter.fromArgs(args);
+ Map All available plugins will be loaded and their decorators will be called in the order they
+ * are discovered by the ServiceLoader. This allows multiple decorators to be applied
+ * sequentially, where each decorator can further customize the Flink execution environment and
+ * configurations.
+ */
+ protected void loadAndApplyDecoratorPlugins() {
+ ServiceLoader Implementations of this interface can customize the Flink execution environment and
+ * configurations as needed for specific deployment environments (e.g., injecting internal security
+ * tokens, setting environment-specific configurations).
+ *
+ * @since 0.9
+ */
+@PublicEvolving
+public interface LakeTieringDecorator {
+
+ /**
+ * Customizes the Flink execution environment and configurations for the lake tiering job.
+ *
+ * This method is called before building the tiering job, allowing implementations to modify
+ * the Flink execution environment or any of the provided configurations as needed.
+ *
+ * @param env the Flink StreamExecutionEnvironment to customize
+ * @param flussConfig the Fluss configuration (may be modified)
+ * @param dataLakeConfig the data lake configuration (may be modified)
+ * @param lakeTieringConfig the lake tiering configuration (may be modified)
+ * @param dataLakeFormat the data lake format identifier (e.g., "paimon", "iceberg")
+ */
+ void decorate(
+ StreamExecutionEnvironment env,
+ Configuration flussConfig,
+ Configuration dataLakeConfig,
+ Configuration lakeTieringConfig,
+ String dataLakeFormat);
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/main/java/org/apache/fluss/flink/tiering/LakeTieringDecoratorPlugin.java b/fluss-flink/fluss-flink-tiering/src/main/java/org/apache/fluss/flink/tiering/LakeTieringDecoratorPlugin.java
new file mode 100644
index 0000000000..59a1626ead
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/main/java/org/apache/fluss/flink/tiering/LakeTieringDecoratorPlugin.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+import org.apache.fluss.annotation.PublicEvolving;
+import org.apache.fluss.plugin.Plugin;
+
+/**
+ * A Plugin to create instances of {@link LakeTieringDecorator}.
+ *
+ * This plugin mechanism allows different environments (e.g., internal vs. public cloud) to
+ * provide their own decorator implementations for customizing Flink execution environment.
+ *
+ * Multiple different plugin implementations can be loaded and applied simultaneously. However,
+ * the loading order of plugins is not guaranteed and may vary between runs. Plugin implementations
+ * should not depend on the loading order and should be designed to work correctly regardless of
+ * when they are applied relative to other plugins.
+ *
+ * @since 0.9
+ */
+@PublicEvolving
+public interface LakeTieringDecoratorPlugin extends Plugin {
+
+ /**
+ * Returns a unique identifier among {@link LakeTieringDecoratorPlugin} implementations.
+ *
+ * @return the identifier
+ */
+ String identifier();
+
+ /**
+ * Creates a new instance of {@link LakeTieringDecorator}.
+ *
+ * @return the lake tiering decorator instance
+ */
+ LakeTieringDecorator createLakeTieringDecorator();
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/FlussLakeTieringTest.java b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/FlussLakeTieringTest.java
new file mode 100644
index 0000000000..ee69004287
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/FlussLakeTieringTest.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Test for {@link FlussLakeTiering}. */
+class FlussLakeTieringTest {
+
+ @Test
+ void testMultipleDecoratorsApplied() {
+ String[] args = {
+ "--fluss.bootstrap.servers",
+ "localhost:9123",
+ "--datalake.paimon.metastore",
+ "rest",
+ "--datalake.paimon.warehous",
+ "fluss_test",
+ "--datalake.format",
+ "paimon",
+ };
+ FlussLakeTiering tiering = new FlussLakeTiering(args);
+
+ // Apply decorators - method now uses internal Configuration fields
+ tiering.loadAndApplyDecoratorPlugins();
+
+ // Verify that TestLakeTieringDecorator modified the configurations
+ assertThat(tiering.flussConfig.getRawValue(TestLakeTieringDecorator.TEST_FLUSS_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator.TEST_FLUSS_CONFIG_VALUE);
+ assertThat(
+ tiering.lakeConfig.getRawValue(
+ TestLakeTieringDecorator.TEST_DATA_LAKE_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator.TEST_DATA_LAKE_CONFIG_VALUE);
+ assertThat(
+ tiering.lakeTieringConfig.getRawValue(
+ TestLakeTieringDecorator.TEST_LAKE_TIERING_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator.TEST_LAKE_TIERING_CONFIG_VALUE);
+
+ // Verify that TestLakeTieringDecorator2 also modified the configurations
+ assertThat(tiering.flussConfig.getRawValue(TestLakeTieringDecorator2.TEST_FLUSS_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator2.TEST_FLUSS_CONFIG_VALUE);
+ assertThat(
+ tiering.lakeConfig.getRawValue(
+ TestLakeTieringDecorator2.TEST_DATA_LAKE_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator2.TEST_DATA_LAKE_CONFIG_VALUE);
+ assertThat(
+ tiering.lakeTieringConfig.getRawValue(
+ TestLakeTieringDecorator2.TEST_LAKE_TIERING_CONFIG_KEY))
+ .isPresent()
+ .contains(TestLakeTieringDecorator2.TEST_LAKE_TIERING_CONFIG_VALUE);
+ }
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator.java b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator.java
new file mode 100644
index 0000000000..023d717439
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+import org.apache.fluss.config.Configuration;
+
+import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+
+/** Test implementation of {@link LakeTieringDecorator}. */
+class TestLakeTieringDecorator implements LakeTieringDecorator {
+
+ static final String TEST_FLUSS_CONFIG_KEY = "test.decorator1.fluss.config";
+ static final String TEST_FLUSS_CONFIG_VALUE = "decorator1-value";
+ static final String TEST_DATA_LAKE_CONFIG_KEY = "test.decorator1.datalake.config";
+ static final String TEST_DATA_LAKE_CONFIG_VALUE = "decorator1-datalake-value";
+ static final String TEST_LAKE_TIERING_CONFIG_KEY = "test.decorator1.tiering.config";
+ static final String TEST_LAKE_TIERING_CONFIG_VALUE = "decorator1-tiering-value";
+
+ @Override
+ public void decorate(
+ StreamExecutionEnvironment env,
+ Configuration flussConfig,
+ Configuration dataLakeConfig,
+ Configuration lakeTieringConfig,
+ String dataLakeFormat) {
+ // Modify configurations to verify decorator is called
+ flussConfig.setString(TEST_FLUSS_CONFIG_KEY, TEST_FLUSS_CONFIG_VALUE);
+ dataLakeConfig.setString(TEST_DATA_LAKE_CONFIG_KEY, TEST_DATA_LAKE_CONFIG_VALUE);
+ lakeTieringConfig.setString(TEST_LAKE_TIERING_CONFIG_KEY, TEST_LAKE_TIERING_CONFIG_VALUE);
+ }
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator2.java b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator2.java
new file mode 100644
index 0000000000..cd3860a432
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecorator2.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+import org.apache.fluss.config.Configuration;
+
+import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+
+/** Test implementation of {@link LakeTieringDecorator} for testing multiple decorators. */
+class TestLakeTieringDecorator2 implements LakeTieringDecorator {
+
+ static final String TEST_FLUSS_CONFIG_KEY = "test.decorator2.fluss.config";
+ static final String TEST_FLUSS_CONFIG_VALUE = "decorator2-value";
+ static final String TEST_DATA_LAKE_CONFIG_KEY = "test.decorator2.datalake.config";
+ static final String TEST_DATA_LAKE_CONFIG_VALUE = "decorator2-datalake-value";
+ static final String TEST_LAKE_TIERING_CONFIG_KEY = "test.decorator2.tiering.config";
+ static final String TEST_LAKE_TIERING_CONFIG_VALUE = "decorator2-tiering-value";
+
+ @Override
+ public void decorate(
+ StreamExecutionEnvironment env,
+ Configuration flussConfig,
+ Configuration dataLakeConfig,
+ Configuration lakeTieringConfig,
+ String dataLakeFormat) {
+ // Modify configurations to verify decorator is called
+ flussConfig.setString(TEST_FLUSS_CONFIG_KEY, TEST_FLUSS_CONFIG_VALUE);
+ dataLakeConfig.setString(TEST_DATA_LAKE_CONFIG_KEY, TEST_DATA_LAKE_CONFIG_VALUE);
+ lakeTieringConfig.setString(TEST_LAKE_TIERING_CONFIG_KEY, TEST_LAKE_TIERING_CONFIG_VALUE);
+ }
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin.java b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin.java
new file mode 100644
index 0000000000..7ae610223a
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+/** Test implementation of {@link LakeTieringDecoratorPlugin}. */
+public class TestLakeTieringDecoratorPlugin implements LakeTieringDecoratorPlugin {
+
+ @Override
+ public String identifier() {
+ return "test-decorator-1";
+ }
+
+ @Override
+ public LakeTieringDecorator createLakeTieringDecorator() {
+ return new TestLakeTieringDecorator();
+ }
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin2.java b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin2.java
new file mode 100644
index 0000000000..ab579e7989
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/java/org/apache/fluss/flink/tiering/TestLakeTieringDecoratorPlugin2.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fluss.flink.tiering;
+
+/** Test implementation of {@link LakeTieringDecoratorPlugin} for testing multiple plugins. */
+public class TestLakeTieringDecoratorPlugin2 implements LakeTieringDecoratorPlugin {
+
+ @Override
+ public String identifier() {
+ return "test-decorator-2";
+ }
+
+ @Override
+ public LakeTieringDecorator createLakeTieringDecorator() {
+ return new TestLakeTieringDecorator2();
+ }
+}
diff --git a/fluss-flink/fluss-flink-tiering/src/test/resources/META-INF/services/org.apache.fluss.flink.tiering.LakeTieringDecoratorPlugin b/fluss-flink/fluss-flink-tiering/src/test/resources/META-INF/services/org.apache.fluss.flink.tiering.LakeTieringDecoratorPlugin
new file mode 100644
index 0000000000..71338224b7
--- /dev/null
+++ b/fluss-flink/fluss-flink-tiering/src/test/resources/META-INF/services/org.apache.fluss.flink.tiering.LakeTieringDecoratorPlugin
@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+org.apache.fluss.flink.tiering.TestLakeTieringDecoratorPlugin
+org.apache.fluss.flink.tiering.TestLakeTieringDecoratorPlugin2
diff --git a/fluss-test-coverage/pom.xml b/fluss-test-coverage/pom.xml
index 16e942860e..2e7d79c504 100644
--- a/fluss-test-coverage/pom.xml
+++ b/fluss-test-coverage/pom.xml
@@ -465,6 +465,7 @@
org.apache.fluss.flink.tiering.LakeTieringJobBuilder