2 * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore;
10 import static org.awaitility.Awaitility.await;
11 import static org.junit.Assert.assertEquals;
14 import java.io.IOException;
15 import java.nio.file.Files;
16 import java.nio.file.Path;
17 import java.util.HashSet;
19 import java.util.concurrent.TimeUnit;
20 import org.junit.Before;
21 import org.junit.Rule;
22 import org.junit.Test;
23 import org.junit.rules.TemporaryFolder;
24 import org.opendaylight.controller.cluster.raft.persisted.ApplyJournalEntries;
25 import org.opendaylight.controller.cluster.raft.persisted.SimpleReplicatedLogEntry;
26 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
27 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.distributed.datastore.provider.rev231229.DataStoreProperties.ExportOnRecovery;
29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
32 import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;
34 public class JsonExportTest extends AbstractShardTest {
35 private static final String DUMMY_DATA = "Dummy data as snapshot sequence number is set to 0 in "
36 + "InMemorySnapshotStore and journal recovery seq number will start from 1";
37 private static final String EXPECTED_JOURNAL_FILE = "expectedJournalExport.json";
38 private static final String EXPECTED_SNAPSHOT_FILE = "expectedSnapshotExport.json";
39 private static String actualJournalFilePath;
40 private static String actualSnapshotFilePath;
41 private DatastoreContext datastoreContext;
44 public TemporaryFolder temporaryFolder = new TemporaryFolder();
48 public void setUp() throws Exception {
50 final var exportTmpFolder = temporaryFolder.newFolder("persistence-export");
51 actualJournalFilePath = exportTmpFolder.getAbsolutePath() + "/journals/"
52 + "member-1-shard-inventory-config" + nextShardNum + "-journal.json";
53 actualSnapshotFilePath = exportTmpFolder.getAbsolutePath() + "/snapshots/"
54 + "member-1-shard-inventory-config" + nextShardNum + "-snapshot.json";
55 datastoreContext = DatastoreContext.newBuilder().shardJournalRecoveryLogBatchSize(1)
56 .shardSnapshotBatchCount(5000).shardHeartbeatIntervalInMillis(HEARTBEAT_MILLIS).persistent(true)
57 .exportOnRecovery(ExportOnRecovery.Json)
58 .recoveryExportBaseDir(exportTmpFolder.getAbsolutePath()).build();
62 protected DatastoreContext newDatastoreContext() {
63 return datastoreContext;
67 public void testJsonExport() throws Exception {
68 // Set up the InMemorySnapshotStore.
69 final var source = setupInMemorySnapshotStore();
71 final var writeMod = source.takeSnapshot().newModification();
72 writeMod.write(TestModel.OUTER_LIST_PATH, ImmutableNodes.newSystemMapBuilder()
73 .withNodeIdentifier(new NodeIdentifier(TestModel.OUTER_LIST_QNAME))
76 InMemoryJournal.addEntry(shardID.toString(), 0, DUMMY_DATA);
78 // Set up the InMemoryJournal.
79 InMemoryJournal.addEntry(shardID.toString(), 1, new SimpleReplicatedLogEntry(0, 1,
80 payloadForModification(source, writeMod, nextTransactionId())));
82 final int nListEntries = 16;
83 final Set<Integer> listEntryKeys = new HashSet<>();
85 // Add some ModificationPayload entries
86 for (int i = 1; i <= nListEntries; i++) {
87 final Integer value = i;
88 listEntryKeys.add(value);
90 final var path = YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH)
91 .nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, value).build();
93 final var mod = source.takeSnapshot().newModification();
94 mod.merge(path, ImmutableNodes.newMapEntryBuilder()
96 NodeIdentifierWithPredicates.of(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, value))
97 .withChild(ImmutableNodes.leafNode(TestModel.ID_QNAME, value))
101 InMemoryJournal.addEntry(shardID.toString(), i + 1, new SimpleReplicatedLogEntry(i, 1,
102 payloadForModification(source, mod, nextTransactionId())));
105 InMemoryJournal.addEntry(shardID.toString(), nListEntries + 2,
106 new ApplyJournalEntries(nListEntries));
108 testRecovery(listEntryKeys, false);
110 verifyJournalExport();
111 verifySnapshotExport();
114 private static void verifyJournalExport() throws IOException {
115 final String expectedJournalData = readExpectedFile(EXPECTED_JOURNAL_FILE);
116 final String actualJournalData = readActualFile(actualJournalFilePath);
117 assertEquals("Exported journal is not expected ", expectedJournalData, actualJournalData);
120 private static void verifySnapshotExport() throws IOException {
121 final String expectedSnapshotData = readExpectedFile(EXPECTED_SNAPSHOT_FILE);
122 final String actualSnapshotData = readActualFile(actualSnapshotFilePath);
123 assertEquals("Exported snapshot is not expected ", expectedSnapshotData, actualSnapshotData);
126 private static String readExpectedFile(final String filePath) throws IOException {
127 final File exportFile = new File(JsonExportTest.class.getClassLoader().getResource(filePath).getFile());
128 return new String(Files.readAllBytes(Path.of(exportFile.getPath())));
131 private static String readActualFile(final String filePath) throws IOException {
132 final File exportFile = new File(filePath);
133 await().atMost(10, TimeUnit.SECONDS).until(exportFile::exists);
134 return new String(Files.readAllBytes(Path.of(filePath)));