yifan-c commented on code in PR #17: URL: https://github.com/apache/cassandra-analytics/pull/17#discussion_r1422438882
########## cassandra-analytics-integration-tests/src/test/java/org/apache/cassandra/analytics/ResiliencyTestBase.java: ########## @@ -0,0 +1,501 @@ +/* + * 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.cassandra.analytics; + +import java.io.ByteArrayOutputStream; +import java.io.Closeable; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.lang.management.ManagementFactory; +import java.math.BigInteger; +import java.nio.charset.Charset; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.atomic.AtomicReference; +import java.util.function.BiConsumer; +import java.util.function.Consumer; +import java.util.function.Function; +import java.util.regex.Pattern; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +import com.google.common.collect.ImmutableMap; +import com.google.common.collect.Range; +import org.junit.jupiter.api.BeforeAll; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.datastax.driver.core.ConsistencyLevel; +import o.a.c.analytics.sidecar.shaded.testing.adapters.base.StorageJmxOperations; +import o.a.c.analytics.sidecar.shaded.testing.common.JmxClient; +import o.a.c.analytics.sidecar.shaded.testing.common.data.QualifiedTableName; +import org.apache.cassandra.distributed.UpgradeableCluster; +import org.apache.cassandra.distributed.api.IInstanceConfig; +import org.apache.cassandra.distributed.api.IUpgradeableInstance; +import org.apache.cassandra.distributed.api.Row; +import org.apache.cassandra.distributed.api.SimpleQueryResult; +import org.apache.cassandra.distributed.api.TokenSupplier; +import org.apache.cassandra.sidecar.testing.IntegrationTestBase; +import org.apache.cassandra.spark.bulkwriter.DecoratedKey; +import org.apache.cassandra.spark.bulkwriter.Tokenizer; +import org.apache.cassandra.spark.common.schema.ColumnType; +import org.apache.cassandra.spark.common.schema.ColumnTypes; +import org.apache.cassandra.testing.CassandraIntegrationTest; +import org.apache.cassandra.testing.ConfigurableCassandraTestContext; +import scala.Tuple2; + +import static junit.framework.TestCase.assertTrue; +import static org.apache.cassandra.distributed.shared.NetworkTopology.dcAndRack; +import static org.apache.cassandra.distributed.shared.NetworkTopology.networkTopology; +import static org.assertj.core.api.Assertions.assertThat; + +/** + * Base class for resiliency tests. Contains helper methods for data generation and validation + */ +public abstract class ResiliencyTestBase extends IntegrationTestBase +{ + public static final int rowCount = 1000; + protected static final String retrieveRows = "select * from " + TEST_KEYSPACE + ".%s"; + private static final Logger LOGGER = LoggerFactory.getLogger(ResiliencyTestBase.class); + private static final String createTableStmt = "create table if not exists %s (id int, course text, marks int, primary key (id));"; + + private final ExecutorService executorService = Executors.newCachedThreadPool(); + private final AtomicReference<byte[]> errorOutput = new AtomicReference<>(); + private final AtomicReference<byte[]> outputBytes = new AtomicReference<>(); + + + public QualifiedTableName initializeSchema() + { + return initializeSchema(ImmutableMap.of("datacenter1", 1)); + } + + public QualifiedTableName initializeSchema(Map<String, Integer> rf) + { + createTestKeyspace(rf); + return createTestTable(createTableStmt); + } + + public Set<String> getDataForRange(Range<BigInteger> range) + { + // Iterate through all data entries; filter only entries that belong to range; convert to strings + return generateExpectedData().stream() + .filter(t -> range.contains(t._1().getToken())) + .map(t -> t._2()[0] + ":" + t._2()[1] + ":" + t._2()[2]) + .collect(Collectors.toSet()); + } + + public List<Tuple2<DecoratedKey, Object[]>> generateExpectedData() + { + // "create table if not exists %s (id int, course text, marks int, primary key (id));"; + List<ColumnType<?>> columnTypes = Arrays.asList(ColumnTypes.INT); + Tokenizer tokenizer = new Tokenizer(Arrays.asList(0), + Arrays.asList("id"), + columnTypes, + true + ); + return IntStream.range(0, rowCount).mapToObj(recordNum -> { + Object[] columns = new Object[] + { + recordNum, "course" + recordNum, recordNum + }; + return Tuple2.apply(tokenizer.getDecoratedKey(columns), columns); + }).collect(Collectors.toList()); + } + + public Map<IUpgradeableInstance, Set<String>> getInstanceData(List<IUpgradeableInstance> instances, + boolean isPending) + { + + return instances.stream().collect(Collectors.toMap(Function.identity(), + i -> filterTokenRangeData(getRangesForInstance(i, isPending)))); + } + + public Set<String> filterTokenRangeData(List<Range<BigInteger>> ranges) + { + return ranges.stream() + .map(this::getDataForRange) + .flatMap(Collection::stream) + .collect(Collectors.toSet()); + } + + /** + * Returns the expected set of rows as strings for each instance in the cluster + */ + public Map<IUpgradeableInstance, Set<String>> generateExpectedInstanceData(UpgradeableCluster cluster, + List<IUpgradeableInstance> pendingNodes) + { + List<IUpgradeableInstance> instances = cluster.stream().collect(Collectors.toList()); + Map<IUpgradeableInstance, Set<String>> expectedInstanceData = getInstanceData(instances, false); + // Use pending ranges to get data for each transitioning instance + Map<IUpgradeableInstance, Set<String>> transitioningInstanceData = getInstanceData(pendingNodes, true); + expectedInstanceData.putAll(transitioningInstanceData.entrySet() + .stream() + .filter(e -> !e.getValue().isEmpty()) + .collect(Collectors.toMap(Map.Entry::getKey, + Map.Entry::getValue))); + return expectedInstanceData; + } + + public void validateData(String tableName, ConsistencyLevel cl) + { + String query = String.format(retrieveRows, tableName); + try + { + SimpleQueryResult resultSet = sidecarTestContext.cluster().get(1).coordinator() + .executeWithResult(query, mapConsistencyLevel(cl)); + Set<String> rows = new HashSet<>(); + for (SimpleQueryResult it = resultSet; it.hasNext();) + { + Row row = it.next(); + if (row.get("id") == null || row.get("course") == null || row.get("marks") == null) + { + throw new RuntimeException("Unrecognized row in table"); + } + + int id = row.getInteger("id"); + String course = row.getString("course"); + int marks = row.getInteger("marks"); + rows.add(id + ":" + course + ":" + marks); + } + for (int i = 0; i < rowCount; i++) + { + String expectedRow = i + ":course" + i + ":" + i; + rows.remove(expectedRow); + } + assertTrue(rows.isEmpty()); + } + catch (Exception ex) + { + logger.error("Validation Query failed", ex); + throw ex; + } + } + + public void validateNodeSpecificData(QualifiedTableName table, + Map<IUpgradeableInstance, Set<String>> expectedInstanceData) + { + validateNodeSpecificData(table, expectedInstanceData, true); + } + + public void validateNodeSpecificData(QualifiedTableName table, + Map<IUpgradeableInstance, Set<String>> expectedInstanceData, + boolean hasNewNodes) + { + for (IUpgradeableInstance instance : expectedInstanceData.keySet()) + { + SimpleQueryResult qr = instance.executeInternalWithResult(String.format(retrieveRows, table.tableName())); + Set<String> rows = new HashSet<>(); + while (qr.hasNext()) + { + org.apache.cassandra.distributed.api.Row row = qr.next(); + int id = row.getInteger("id"); + String course = row.getString("course"); + int marks = row.getInteger("marks"); + rows.add(id + ":" + course + ":" + marks); + } + + if (hasNewNodes) + { + assertThat(rows).containsExactlyInAnyOrderElementsOf(expectedInstanceData.get(instance)); + } + else + { + assertThat(rows).containsAll(expectedInstanceData.get(instance)); + } + } + } + + public void closeStream(Closeable... closeables) + { + for (Closeable closeable : closeables) + { + try + { + if (closeable != null) + { + closeable.close(); + } + } + catch (IOException e) + { + LOGGER.error("Error closing " + closeable.toString(), e); + } + } + } + + @BeforeAll + static void sparkSetup() + { + + } + + private static String getCleanedClasspath() + { + String classpath = System.getProperty("java.class.path"); + Pattern pattern = Pattern.compile(":?[^:]*/dtest-\\d\\.\\d+\\.\\d+\\.jar:?"); + return pattern.matcher(classpath).replaceAll(":"); + } + + private List<Range<BigInteger>> getRangesForInstance(IUpgradeableInstance instance, boolean isPending) + { + IInstanceConfig config = instance.config(); + JmxClient client = JmxClient.builder() + .host(config.broadcastAddress().getAddress().getHostAddress()) + .port(config.jmxPort()) + .build(); + StorageJmxOperations ss = client.proxy(StorageJmxOperations.class, "org.apache.cassandra.db:type=StorageService"); + + Map<List<String>, List<String>> ranges = isPending ? ss.getPendingRangeToEndpointWithPortMap(TEST_KEYSPACE) + : ss.getRangeToEndpointWithPortMap(TEST_KEYSPACE); + + // filter ranges that belong to the instance + return ranges.entrySet() + .stream() + .filter(e -> e.getValue().contains(instance.broadcastAddress().getAddress().getHostAddress() + + ":" + instance.broadcastAddress().getPort())) + .map(e -> unwrapRanges(e.getKey())) + .flatMap(Collection::stream) + .collect(Collectors.toList()); + } + + private List<Range<BigInteger>> unwrapRanges(List<String> range) + { + List<Range<BigInteger>> ranges = new ArrayList<Range<BigInteger>>(); + BigInteger start = new BigInteger(range.get(0)); + BigInteger end = new BigInteger(range.get(1)); + if (start.compareTo(end) > 0) + { + ranges.add(Range.openClosed(start, BigInteger.valueOf(Long.MAX_VALUE))); + ranges.add(Range.openClosed(BigInteger.valueOf(Long.MIN_VALUE), end)); + } + else + { + ranges.add(Range.openClosed(start, end)); + } + return ranges; + } + + private org.apache.cassandra.distributed.api.ConsistencyLevel mapConsistencyLevel(ConsistencyLevel cl) + { + return org.apache.cassandra.distributed.api.ConsistencyLevel.valueOf(cl.name()); + } + + protected UpgradeableCluster getMultiDCCluster(BiConsumer<ClassLoader, Integer> initializer, + ConfigurableCassandraTestContext cassandraTestContext) + throws IOException + { + return getMultiDCCluster(initializer, cassandraTestContext, null); + } + + protected UpgradeableCluster getMultiDCCluster(BiConsumer<ClassLoader, Integer> initializer, + ConfigurableCassandraTestContext cassandraTestContext, + Consumer<UpgradeableCluster.Builder> additionalConfigurator) + throws IOException + { + CassandraIntegrationTest annotation = sidecarTestContext.cassandraTestContext().annotation; + TokenSupplier mdcTokenSupplier = TestTokenSupplier.evenlyDistributedTokens(annotation.nodesPerDc(), + annotation.newNodesPerDc(), + annotation.numDcs(), + 1); + + int totalNodeCount = (annotation.nodesPerDc() + annotation.newNodesPerDc()) * annotation.numDcs(); + return cassandraTestContext.configureAndStartCluster( + builder -> { + builder.withInstanceInitializer(initializer); + builder.withTokenSupplier(mdcTokenSupplier); + builder.withNodeIdTopology(networkTopology(totalNodeCount, + (nodeId) -> nodeId % 2 != 0 ? + dcAndRack("datacenter1", "rack1") : + dcAndRack("datacenter2", "rack2"))); + + if (additionalConfigurator != null) + { + additionalConfigurator.accept(builder); + } + }); + } + + protected QualifiedTableName bulkWriteData(ConsistencyLevel writeCL, String testName) + throws InterruptedException + { + CassandraIntegrationTest annotation = sidecarTestContext.cassandraTestContext().annotation; + List<String> sidecarInstances = generateSidecarInstances(); + + ImmutableMap<String, Integer> rf; + if (annotation.numDcs() > 1 && annotation.useCrossDcKeyspace()) + { + rf = ImmutableMap.of("datacenter1", DEFAULT_RF, "datacenter2", DEFAULT_RF); + } + else + { + rf = ImmutableMap.of("datacenter1", DEFAULT_RF); + } + + QualifiedTableName schema = initializeSchema(rf); + Thread.sleep(2000); + List<String> command = new ArrayList<>(); + command.add(System.getProperty("java.home") + File.separator + "bin" + File.separator + "java"); + // Uncomment the line below to debug on localhost + // command.add("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=*:5151"); + command.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments() + .stream() + // Remove any already-existing debugger agents from the arguments + .filter(s -> shouldRetainSetting(s)) + .collect(Collectors.toList())); + command.add("-Dspark.cassandra_analytics.request.max_connections=5"); + // Set both max and min heap sizes because otherwise + command.add("-Xmx512m"); + command.add("-Xms512m"); + command.add("-XX:MaxDirectMemorySize=128m"); + command.add("-cp"); + String cleanedClasspath = getCleanedClasspath(); + command.add(cleanedClasspath); + command.add(RunWriteJob.class.getName()); + command.add(String.join(",", sidecarInstances)); + command.add(schema.keyspace()); + command.add(schema.tableName()); + command.add(writeCL.name()); + command.add(String.valueOf(server.actualPort())); + command.add(String.valueOf(rowCount)); + try + { + ProcessBuilder builder = new ProcessBuilder(command); + LOGGER.info("Running: {}", String.join("\n", command)); + Process process = builder.start(); + CountDownLatch finishLatch = startReadOutputThreads(process, String.join(" ", command)); + finishLatch.await(); // TODO: Timeout? - can call `process.destroy` if it hangs + int exitCode = process.waitFor(); + if (exitCode != 0) + { + String stdout = new String(outputBytes.get()); + String stdErr = new String(errorOutput.get()); + LOGGER.error("Spark STDOUT:\n*****{}\n*****", stdout); Review Comment: fair. -- This is an automated message from the Apache Git Service. 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