org.testcontainers.containers.ClickHouseContainer Java Examples

The following examples show how to use org.testcontainers.containers.ClickHouseContainer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: SimpleClickhouseTest.java From testcontainers-java with MIT License

5 votes

@Test
public void testSimple() throws SQLException {
    try (ClickHouseContainer clickhouse = new ClickHouseContainer()) {
        clickhouse.start();

        ResultSet resultSet = performQuery(clickhouse, "SELECT 1");

        int resultSetInt = resultSet.getInt(1);
        assertEquals("A basic SELECT query succeeds", 1, resultSetInt);
    }
}

Example #2

Source File: BaseClickHouseTest.java From beam with Apache License 2.0

4 votes

@BeforeClass
public static void setup() throws IOException, InterruptedException {
  // network sharing doesn't work with ClassRule
  network = Network.newNetwork();

  zookeeper =
      new GenericContainer<>("zookeeper:3.4.13")
          .withStartupAttempts(10)
          .withExposedPorts(2181)
          .withNetwork(network)
          .withNetworkAliases("zookeeper");

  // so far zookeeper container always starts successfully, so no extra retries
  zookeeper.start();

  clickHouse =
      (ClickHouseContainer)
          new ClickHouseContainer(CLICKHOUSE_IMAGE)
              .withStartupAttempts(10)
              .withCreateContainerCmdModifier(
                  // type inference for `(CreateContainerCmd) -> cmd.` doesn't work
                  cmd ->
                      ((CreateContainerCmd) cmd)
                          .withMemory(256 * 1024 * 1024L)
                          .withMemorySwap(4L * 1024 * 1024 * 1024L))
              .withNetwork(network)
              .withClasspathResourceMapping(
                  "config.d/zookeeper_default.xml",
                  "/etc/clickhouse-server/config.d/zookeeper_default.xml",
                  BindMode.READ_ONLY);

  BackOff backOff =
      FluentBackoff.DEFAULT
          .withMaxRetries(3)
          .withInitialBackoff(Duration.standardSeconds(15))
          .backoff();

  // try to start clickhouse-server a couple of times, see BEAM-6639
  while (true) {
    try {
      Unreliables.retryUntilSuccess(
          10,
          () -> {
            DockerClientFactory.instance()
                .checkAndPullImage(DockerClientFactory.instance().client(), CLICKHOUSE_IMAGE);

            return null;
          });

      clickHouse.start();
      break;
    } catch (Exception e) {
      if (!BackOffUtils.next(Sleeper.DEFAULT, backOff)) {
        throw e;
      } else {
        List<Image> images =
            DockerClientFactory.instance().client().listImagesCmd().withShowAll(true).exec();
        String listImagesOutput = "listImagesCmd:\n" + Joiner.on('\n').join(images) + "\n";

        LOG.warn("failed to start clickhouse-server\n\n" + listImagesOutput, e);
      }
    }
  }
}