[DOP-29429] Add Iceberg integration tests

.env.docker.test

@@ -51,6 +51,14 @@ TEST_HIVE_CLUSTER=test-hive
 TEST_HIVE_USER=syncmaster
 TEST_HIVE_PASSWORD=123UsedForTestOnly@!
 
+TEST_ICEBERG_METASTORE_URL_FOR_CONFTEST=http://test-iceberg-rest:8181
+TEST_ICEBERG_METASTORE_URL_FOR_WORKER=http://test-iceberg-rest:8181
+TEST_ICEBERG_METASTORE_USERNAME=syncmaster
+TEST_ICEBERG_METASTORE_PASSWORD=123UsedForTestOnly@!
+TEST_ICEBERG_S3_WAREHOUSE_PATH=/data
+TEST_ICEBERG_S3_REGION=us-east-1
+TEST_ICEBERG_S3_PATH_STYLE_ACCESS=True
+
 TEST_HDFS_HOST=test-hive
 TEST_HDFS_WEBHDFS_PORT=9870
 TEST_HDFS_IPC_PORT=9820

.env.local.test

@@ -51,6 +51,14 @@ export TEST_HIVE_CLUSTER=test-hive
 export TEST_HIVE_USER=syncmaster
 export TEST_HIVE_PASSWORD=123UsedForTestOnly@!
 
+export TEST_ICEBERG_METASTORE_URL_FOR_CONFTEST=http://localhost:8181
+export TEST_ICEBERG_METASTORE_URL_FOR_WORKER=http://test-iceberg-rest:8181
+export TEST_ICEBERG_METASTORE_USERNAME=syncmaster
+export TEST_ICEBERG_METASTORE_PASSWORD=123UsedForTestOnly@!
+export TEST_ICEBERG_S3_WAREHOUSE_PATH=/data
+export TEST_ICEBERG_S3_REGION=us-east-1
+export TEST_ICEBERG_S3_PATH_STYLE_ACCESS=True
+
 export TEST_HDFS_HOST=test-hive
 export TEST_HDFS_WEBHDFS_PORT=9870
 export TEST_HDFS_IPC_PORT=9820

.github/workflows/iceberg-tests.yml

@@ -0,0 +1,80 @@
+name: Iceberg Tests
+on:
+  workflow_call:
+
+env:
+  DEFAULT_PYTHON: '3.13'
+
+jobs:
+  tests:
+    name: Run Iceberg tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Cache jars
+        uses: actions/cache@v4
+        with:
+          path: ./cached_jars
+          key: ${{ runner.os }}-python-${{ env.DEFAULT_PYTHON }}-test-iceberg
+          restore-keys: |
+            ${{ runner.os }}-python-${{ env.DEFAULT_PYTHON }}-test-iceberg
+            ${{ runner.os }}-python-
+
+      - name: Build Worker Image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          tags: mtsrus/syncmaster-worker:${{ github.sha }}
+          target: test
+          file: docker/Dockerfile.worker
+          load: true
+          cache-from: type=gha,scope=test
+          cache-to: type=gha,scope=test,mode=max
+
+      - name: Docker compose up
+        run: |
+          docker compose -f docker-compose.test.yml --profile all down -v --remove-orphans
+          docker compose -f docker-compose.test.yml --profile iceberg up -d --wait --wait-timeout 200
+        env:
+          WORKER_IMAGE_TAG: ${{ github.sha }}
+
+      - name: Run Iceberg Tests
+        run: |
+          docker compose -f ./docker-compose.test.yml --profile iceberg exec -T worker coverage run -m pytest -vvv -s -m "worker and iceberg"
+
+      - name: Dump worker logs on failure
+        if: failure()
+        uses: jwalton/gh-docker-logs@v2
+        with:
+          images: bitnamilegacy/minio,mtsrus/syncmaster-worker,mtsrus/horizon-backend,postgres,rabbitmq
+          dest: ./logs
+
+      # This is important, as coverage is exported after receiving SIGTERM
+      - name: Shutdown
+        if: always()
+        run: |
+          docker compose -f docker-compose.test.yml --profile all down -v --remove-orphans
+
+      - name: Upload worker logs
+        uses: actions/upload-artifact@v5
+        if: failure()
+        with:
+          name: worker-logs-iceberg
+          path: logs/*
+
+      - name: Upload coverage results
+        uses: actions/upload-artifact@v5
+        with:
+          name: coverage-iceberg
+          path: reports/*
+          # https://github.com/actions/upload-artifact/issues/602
+          include-hidden-files: true

.github/workflows/s3-tests.yml

@@ -49,7 +49,7 @@ jobs:
 
       - name: Run S3 Tests
         run: |
-          docker compose -f ./docker-compose.test.yml --profile s3 exec -T worker coverage run -m pytest -vvv -s -m "worker and s3"
+          docker compose -f ./docker-compose.test.yml --profile s3 exec -T worker coverage run -m pytest -vvv -s -m "worker and s3 and not iceberg"
 
       - name: Dump worker logs on failure
         if: failure()

.github/workflows/tests.yml

@@ -46,6 +46,10 @@ jobs:
     name: Hive tests
     uses: ./.github/workflows/hive-tests.yml
 
+  iceberg_tests:
+    name: Iceberg tests
+    uses: ./.github/workflows/iceberg-tests.yml
+
   s3_tests:
     name: S3 tests
     uses: ./.github/workflows/s3-tests.yml
@@ -90,6 +94,7 @@ jobs:
       - ftps_tests
       - hdfs_tests
       - hive_tests
+      - iceberg_tests
       - mssql_tests
       - mysql_tests
       - oracle_tests

Makefile

@@ -89,6 +89,10 @@ test-integration-hive: test-db ##@Test          Run integration tests for Hive
 	docker compose -f docker-compose.test.yml --profile hive up -d --wait $(DOCKER_COMPOSE_ARGS)
 	${POETRY} run pytest ./tests/test_integration -m hive $(PYTEST_ARGS)
 
+test-integration-iceberg: test-db ##@Test          Run integration tests for Iceberg
+	docker compose -f docker-compose.test.yml --profile iceberg up -d --wait $(DOCKER_COMPOSE_ARGS)
+	${POETRY} run pytest ./tests/test_integration -m iceberg $(PYTEST_ARGS)
+
 test-integration-clickhouse: test-db ##@Test    Run integration tests for Clickhouse
 	docker compose -f docker-compose.test.yml --profile clickhouse up -d --wait $(DOCKER_COMPOSE_ARGS)
 	${POETRY} run pytest ./tests/test_integration -m clickhouse $(PYTEST_ARGS)

README.rst

@@ -36,6 +36,7 @@ List of currently supported connections:
 * Apache Hive
 * Clickhouse
 * Postgres
+* Iceberg (REST Catalog + S3)
 * Oracle
 * MSSQL
 * MySQL

docker-compose.test.yml

@@ -124,7 +124,7 @@ services:
         condition: service_completed_successfully
       rabbitmq:
         condition: service_healthy
-    profiles: [worker, scheduler, s3, hdfs, hive, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
+    profiles: [worker, scheduler, s3, hdfs, hive, iceberg, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
 
   horizon:
     image: mtsrus/horizon-backend:develop
@@ -147,7 +147,7 @@ services:
     depends_on:
       horizon-db:
         condition: service_healthy
-    profiles: [horizon, s3, hdfs, hive, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
+    profiles: [horizon, s3, hdfs, hive, iceberg, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
 
   horizon-db:
     image: postgres:17
@@ -167,7 +167,7 @@ services:
       interval: 30s
       timeout: 5s
       retries: 3
-    profiles: [horizon, s3, hdfs, hive, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
+    profiles: [horizon, s3, hdfs, hive, iceberg, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
 
   test-postgres:
     image: postgres:17
@@ -185,7 +185,7 @@ services:
       interval: 30s
       timeout: 5s
       retries: 3
-    profiles: [s3, hdfs, hive, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
+    profiles: [s3, hdfs, hive, iceberg, oracle, clickhouse, mysql, mssql, sftp, ftp, ftps, samba, webdav, all]
 
   test-s3:
     image: bitnamilegacy/minio:latest
@@ -204,7 +204,26 @@ services:
       interval: 30s
       timeout: 5s
       retries: 3
-    profiles: [s3, all]
+    profiles: [s3, iceberg, all]
+
+  test-iceberg-rest:
+    image: tabulario/iceberg-rest:latest
+    container_name: test-iceberg-rest
+    restart: unless-stopped
+    environment:
+      CATALOG_WAREHOUSE: s3a://syncmaster/data/
+      CATALOG_IO__IMPL: org.apache.iceberg.aws.s3.S3FileIO
+      CATALOG_S3_ENDPOINT: http://test-s3:9000
+      CATALOG_S3_PATH__STYLE__ACCESS: true
+      AWS_ACCESS_KEY_ID: syncmaster
+      AWS_SECRET_ACCESS_KEY: 123UsedForTestOnly@!
+      AWS_REGION: us-east-1
+    ports:
+      - 8181:8181
+    depends_on:
+      test-s3:
+        condition: service_healthy
+    profiles: [iceberg, all]
 
   test-oracle:
     image: gvenzl/oracle-xe:slim-faststart

syncmaster/worker/handlers/db/iceberg.py

@@ -53,6 +53,8 @@ def connect(self, spark: SparkSession):
 
     @slot
     def read(self) -> DataFrame:
+        table = f"{self.transfer_dto.catalog_name}.{self.transfer_dto.table_name}"
+        self.connection.spark.catalog.refreshTable(table)
         return super().read()
 
     @slot

syncmaster/worker/spark.py

@@ -49,7 +49,15 @@ def get_worker_spark_session(
 
 def get_packages(connection_types: set[str]) -> list[str]:  # noqa: WPS212
     import pyspark
-    from onetl.connection import MSSQL, Clickhouse, MySQL, Oracle, Postgres, SparkS3
+    from onetl.connection import (
+        MSSQL,
+        Clickhouse,
+        Iceberg,
+        MySQL,
+        Oracle,
+        Postgres,
+        SparkS3,
+    )
     from onetl.file.format import XML, Excel
 
     spark_version = pyspark.__version__
@@ -75,6 +83,14 @@ def get_packages(connection_types: set[str]) -> list[str]:  # noqa: WPS212
     if connection_types & {"s3", "all"}:
         result.extend(SparkS3.get_packages(spark_version=spark_version))
 
+    if connection_types & {"iceberg_rest_s3", "all"}:
+        result.extend(
+            [
+                *Iceberg.get_packages(package_version="1.10.0", spark_version=spark_version),
+                *Iceberg.S3Warehouse.get_packages(package_version="1.10.0"),
+            ],
+        )
+
     if connection_types & {"s3", "hdfs", "sftp", "ftp", "ftps", "samba", "webdav", "all"}:
         result.extend(file_formats_spark_packages)
 

tests/settings.py

@@ -50,6 +50,14 @@ class TestSettings(BaseSettings):
     TEST_HIVE_USER: str
     TEST_HIVE_PASSWORD: str
 
+    TEST_ICEBERG_METASTORE_URL_FOR_CONFTEST: str
+    TEST_ICEBERG_METASTORE_URL_FOR_WORKER: str
+    TEST_ICEBERG_METASTORE_USERNAME: str
+    TEST_ICEBERG_METASTORE_PASSWORD: str
+    TEST_ICEBERG_S3_WAREHOUSE_PATH: str
+    TEST_ICEBERG_S3_REGION: str
+    TEST_ICEBERG_S3_PATH_STYLE_ACCESS: bool = True
+
     TEST_HDFS_HOST: str
     TEST_HDFS_WEBHDFS_PORT: int
     TEST_HDFS_IPC_PORT: int

tests/test_integration/test_run_transfer/connection_fixtures/__init__.py

@@ -61,6 +61,12 @@
     hive_connection,
     prepare_hive,
 )
+from tests.test_integration.test_run_transfer.connection_fixtures.iceberg_fixtures import (
+    iceberg_rest_s3_connection,
+    iceberg_rest_s3_for_conftest,
+    iceberg_rest_s3_for_worker,
+    prepare_iceberg_rest_s3,
+)
 from tests.test_integration.test_run_transfer.connection_fixtures.mssql_fixtures import (
     mssql_connection,
     mssql_for_conftest,

tests/test_integration/test_run_transfer/connection_fixtures/filters_fixtures.py

@@ -57,6 +57,7 @@ def dataframe_columns_filter_transformations(source_type: str):
         "mysql": "CHAR",
         "mssql": "VARCHAR(30)",
         "hive": "VARCHAR(30)",
+        "iceberg_rest_s3": "STRING",
         "s3": "STRING",
         "hdfs": "STRING",
     }