forked from elastic/elasticsearch
/
DedicatedClusterSnapshotRestoreTests.java
1115 lines (943 loc) · 56.4 KB
/
DedicatedClusterSnapshotRestoreTests.java
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.snapshots;
import com.carrotsearch.hppc.IntHashSet;
import com.carrotsearch.hppc.IntSet;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.ListenableFuture;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.action.ListenableActionFuture;
import org.elasticsearch.action.admin.cluster.repositories.put.PutRepositoryResponse;
import org.elasticsearch.action.admin.cluster.snapshots.create.CreateSnapshotResponse;
import org.elasticsearch.action.admin.cluster.snapshots.delete.DeleteSnapshotResponse;
import org.elasticsearch.action.admin.cluster.snapshots.get.GetSnapshotsResponse;
import org.elasticsearch.action.admin.cluster.snapshots.restore.RestoreSnapshotResponse;
import org.elasticsearch.action.admin.cluster.snapshots.status.SnapshotStatus;
import org.elasticsearch.action.admin.cluster.snapshots.status.SnapshotsStatusResponse;
import org.elasticsearch.action.admin.indices.recovery.ShardRecoveryResponse;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.ProcessedClusterStateUpdateTask;
import org.elasticsearch.cluster.AbstractDiffable;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.metadata.MetaData.Custom;
import org.elasticsearch.cluster.metadata.SnapshotMetaData;
import org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider;
import org.elasticsearch.cluster.metadata.MetaDataIndexStateService;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.discovery.zen.elect.ElectMasterService;
import org.elasticsearch.index.store.IndexStore;
import org.elasticsearch.indices.ttl.IndicesTTLService;
import org.elasticsearch.repositories.RepositoryMissingException;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.admin.cluster.repositories.get.RestGetRepositoriesAction;
import org.elasticsearch.rest.action.admin.cluster.state.RestClusterStateAction;
import org.elasticsearch.snapshots.mockstore.MockRepositoryModule;
import org.elasticsearch.snapshots.mockstore.MockRepositoryPlugin;
import org.elasticsearch.test.InternalTestCluster;
import org.elasticsearch.test.junit.annotations.TestLogging;
import org.elasticsearch.test.rest.FakeRestRequest;
import org.junit.Ignore;
import org.junit.Test;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import static com.google.common.collect.Lists.newArrayList;
import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.elasticsearch.test.ElasticsearchIntegrationTest.ClusterScope;
import static org.elasticsearch.test.ElasticsearchIntegrationTest.Scope;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertBlocked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertThrows;
import static org.hamcrest.Matchers.*;
/**
*/
@ClusterScope(scope = Scope.TEST, numDataNodes = 0)
public class DedicatedClusterSnapshotRestoreTests extends AbstractSnapshotTests {
@Test
public void restorePersistentSettingsTest() throws Exception {
logger.info("--> start 2 nodes");
Settings nodeSettings = settingsBuilder()
.put("discovery.type", "zen")
.put("discovery.zen.ping_timeout", "200ms")
.put("discovery.initial_state_timeout", "500ms")
.build();
internalCluster().startNode(nodeSettings);
Client client = client();
String secondNode = internalCluster().startNode(nodeSettings);
logger.info("--> wait for the second node to join the cluster");
assertThat(client.admin().cluster().prepareHealth().setWaitForNodes("2").get().isTimedOut(), equalTo(false));
int random = randomIntBetween(10, 42);
logger.info("--> set test persistent setting");
client.admin().cluster().prepareUpdateSettings().setPersistentSettings(
Settings.settingsBuilder()
.put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES, 2)
.put(IndicesTTLService.INDICES_TTL_INTERVAL, random, TimeUnit.MINUTES))
.execute().actionGet();
assertThat(client.admin().cluster().prepareState().setRoutingTable(false).setNodes(false).execute().actionGet().getState()
.getMetaData().persistentSettings().getAsTime(IndicesTTLService.INDICES_TTL_INTERVAL, TimeValue.timeValueMinutes(1)).millis(), equalTo(TimeValue.timeValueMinutes(random).millis()));
assertThat(client.admin().cluster().prepareState().setRoutingTable(false).setNodes(false).execute().actionGet().getState()
.getMetaData().persistentSettings().getAsInt(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES, -1), equalTo(2));
logger.info("--> create repository");
PutRepositoryResponse putRepositoryResponse = client.admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder().put("location", randomRepoPath())).execute().actionGet();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
logger.info("--> start snapshot");
CreateSnapshotResponse createSnapshotResponse = client.admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(true).execute().actionGet();
assertThat(createSnapshotResponse.getSnapshotInfo().totalShards(), equalTo(0));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), equalTo(0));
assertThat(client.admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap").execute().actionGet().getSnapshots().get(0).state(), equalTo(SnapshotState.SUCCESS));
logger.info("--> clean the test persistent setting");
client.admin().cluster().prepareUpdateSettings().setPersistentSettings(
Settings.settingsBuilder()
.put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES, 1)
.put(IndicesTTLService.INDICES_TTL_INTERVAL, TimeValue.timeValueMinutes(1)))
.execute().actionGet();
assertThat(client.admin().cluster().prepareState().setRoutingTable(false).setNodes(false).execute().actionGet().getState()
.getMetaData().persistentSettings().getAsTime(IndicesTTLService.INDICES_TTL_INTERVAL, TimeValue.timeValueMinutes(1)).millis(), equalTo(TimeValue.timeValueMinutes(1).millis()));
stopNode(secondNode);
assertThat(client.admin().cluster().prepareHealth().setWaitForNodes("1").get().isTimedOut(), equalTo(false));
logger.info("--> restore snapshot");
client.admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap").setRestoreGlobalState(true).setWaitForCompletion(true).execute().actionGet();
assertThat(client.admin().cluster().prepareState().setRoutingTable(false).setNodes(false).execute().actionGet().getState()
.getMetaData().persistentSettings().getAsTime(IndicesTTLService.INDICES_TTL_INTERVAL, TimeValue.timeValueMinutes(1)).millis(), equalTo(TimeValue.timeValueMinutes(random).millis()));
logger.info("--> ensure that zen discovery minimum master nodes wasn't restored");
assertThat(client.admin().cluster().prepareState().setRoutingTable(false).setNodes(false).execute().actionGet().getState()
.getMetaData().persistentSettings().getAsInt(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES, -1), not(equalTo(2)));
}
@Test
public void restoreCustomMetadata() throws Exception {
Path tempDir = randomRepoPath();
logger.info("--> start node");
internalCluster().startNode();
Client client = client();
createIndex("test-idx");
ensureYellow();
logger.info("--> add custom persistent metadata");
updateClusterState(new ClusterStateUpdater() {
@Override
public ClusterState execute(ClusterState currentState) throws Exception {
ClusterState.Builder builder = ClusterState.builder(currentState);
MetaData.Builder metadataBuilder = MetaData.builder(currentState.metaData());
metadataBuilder.putCustom(SnapshottableMetadata.TYPE, new SnapshottableMetadata("before_snapshot_s"));
metadataBuilder.putCustom(NonSnapshottableMetadata.TYPE, new NonSnapshottableMetadata("before_snapshot_ns"));
metadataBuilder.putCustom(SnapshottableGatewayMetadata.TYPE, new SnapshottableGatewayMetadata("before_snapshot_s_gw"));
metadataBuilder.putCustom(NonSnapshottableGatewayMetadata.TYPE, new NonSnapshottableGatewayMetadata("before_snapshot_ns_gw"));
metadataBuilder.putCustom(SnapshotableGatewayNoApiMetadata.TYPE, new SnapshotableGatewayNoApiMetadata("before_snapshot_s_gw_noapi"));
builder.metaData(metadataBuilder);
return builder.build();
}
});
logger.info("--> create repository");
PutRepositoryResponse putRepositoryResponse = client.admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder().put("location", tempDir)).execute().actionGet();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
logger.info("--> start snapshot");
CreateSnapshotResponse createSnapshotResponse = client.admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(true).execute().actionGet();
assertThat(createSnapshotResponse.getSnapshotInfo().totalShards(), greaterThan(0));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), equalTo(createSnapshotResponse.getSnapshotInfo().successfulShards()));
assertThat(client.admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap").execute().actionGet().getSnapshots().get(0).state(), equalTo(SnapshotState.SUCCESS));
logger.info("--> change custom persistent metadata");
updateClusterState(new ClusterStateUpdater() {
@Override
public ClusterState execute(ClusterState currentState) throws Exception {
ClusterState.Builder builder = ClusterState.builder(currentState);
MetaData.Builder metadataBuilder = MetaData.builder(currentState.metaData());
if (randomBoolean()) {
metadataBuilder.putCustom(SnapshottableMetadata.TYPE, new SnapshottableMetadata("after_snapshot_s"));
} else {
metadataBuilder.removeCustom(SnapshottableMetadata.TYPE);
}
metadataBuilder.putCustom(NonSnapshottableMetadata.TYPE, new NonSnapshottableMetadata("after_snapshot_ns"));
if (randomBoolean()) {
metadataBuilder.putCustom(SnapshottableGatewayMetadata.TYPE, new SnapshottableGatewayMetadata("after_snapshot_s_gw"));
} else {
metadataBuilder.removeCustom(SnapshottableGatewayMetadata.TYPE);
}
metadataBuilder.putCustom(NonSnapshottableGatewayMetadata.TYPE, new NonSnapshottableGatewayMetadata("after_snapshot_ns_gw"));
metadataBuilder.removeCustom(SnapshotableGatewayNoApiMetadata.TYPE);
builder.metaData(metadataBuilder);
return builder.build();
}
});
logger.info("--> delete repository");
assertAcked(client.admin().cluster().prepareDeleteRepository("test-repo"));
logger.info("--> create repository");
putRepositoryResponse = client.admin().cluster().preparePutRepository("test-repo-2")
.setType("fs").setSettings(Settings.settingsBuilder().put("location", tempDir)).execute().actionGet();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
logger.info("--> restore snapshot");
client.admin().cluster().prepareRestoreSnapshot("test-repo-2", "test-snap").setRestoreGlobalState(true).setIndices("-*").setWaitForCompletion(true).execute().actionGet();
logger.info("--> make sure old repository wasn't restored");
assertThrows(client.admin().cluster().prepareGetRepositories("test-repo"), RepositoryMissingException.class);
assertThat(client.admin().cluster().prepareGetRepositories("test-repo-2").get().repositories().size(), equalTo(1));
logger.info("--> check that custom persistent metadata was restored");
ClusterState clusterState = client.admin().cluster().prepareState().get().getState();
logger.info("Cluster state: {}", clusterState);
MetaData metaData = clusterState.getMetaData();
assertThat(((SnapshottableMetadata) metaData.custom(SnapshottableMetadata.TYPE)).getData(), equalTo("before_snapshot_s"));
assertThat(((NonSnapshottableMetadata) metaData.custom(NonSnapshottableMetadata.TYPE)).getData(), equalTo("after_snapshot_ns"));
assertThat(((SnapshottableGatewayMetadata) metaData.custom(SnapshottableGatewayMetadata.TYPE)).getData(), equalTo("before_snapshot_s_gw"));
assertThat(((NonSnapshottableGatewayMetadata) metaData.custom(NonSnapshottableGatewayMetadata.TYPE)).getData(), equalTo("after_snapshot_ns_gw"));
logger.info("--> restart all nodes");
internalCluster().fullRestart();
ensureYellow();
logger.info("--> check that gateway-persistent custom metadata survived full cluster restart");
clusterState = client().admin().cluster().prepareState().get().getState();
logger.info("Cluster state: {}", clusterState);
metaData = clusterState.getMetaData();
assertThat(metaData.custom(SnapshottableMetadata.TYPE), nullValue());
assertThat(metaData.custom(NonSnapshottableMetadata.TYPE), nullValue());
assertThat(((SnapshottableGatewayMetadata) metaData.custom(SnapshottableGatewayMetadata.TYPE)).getData(), equalTo("before_snapshot_s_gw"));
assertThat(((NonSnapshottableGatewayMetadata) metaData.custom(NonSnapshottableGatewayMetadata.TYPE)).getData(), equalTo("after_snapshot_ns_gw"));
// Shouldn't be returned as part of API response
assertThat(metaData.custom(SnapshotableGatewayNoApiMetadata.TYPE), nullValue());
// But should still be in state
metaData = internalCluster().getInstance(ClusterService.class).state().metaData();
assertThat(((SnapshotableGatewayNoApiMetadata) metaData.custom(SnapshotableGatewayNoApiMetadata.TYPE)).getData(), equalTo("before_snapshot_s_gw_noapi"));
}
private void updateClusterState(final ClusterStateUpdater updater) throws InterruptedException {
final CountDownLatch countDownLatch = new CountDownLatch(1);
final ClusterService clusterService = internalCluster().getInstance(ClusterService.class);
clusterService.submitStateUpdateTask("test", new ProcessedClusterStateUpdateTask() {
@Override
public ClusterState execute(ClusterState currentState) throws Exception {
return updater.execute(currentState);
}
@Override
public void onFailure(String source, @Nullable Throwable t) {
countDownLatch.countDown();
}
@Override
public void clusterStateProcessed(String source, ClusterState oldState, ClusterState newState) {
countDownLatch.countDown();
}
});
countDownLatch.await();
}
private static interface ClusterStateUpdater {
public ClusterState execute(ClusterState currentState) throws Exception;
}
@Test
public void snapshotDuringNodeShutdownTest() throws Exception {
logger.info("--> start 2 nodes");
Client client = client();
assertAcked(prepareCreate("test-idx", 2, settingsBuilder().put("number_of_shards", 2).put("number_of_replicas", 0)));
ensureGreen();
logger.info("--> indexing some data");
for (int i = 0; i < 100; i++) {
index("test-idx", "doc", Integer.toString(i), "foo", "bar" + i);
}
refresh();
assertThat(client.prepareCount("test-idx").get().getCount(), equalTo(100L));
logger.info("--> create repository");
logger.info("--> creating repository");
PutRepositoryResponse putRepositoryResponse = client.admin().cluster().preparePutRepository("test-repo")
.setType(MockRepositoryModule.class.getCanonicalName()).setSettings(
Settings.settingsBuilder()
.put("location", randomRepoPath())
.put("random", randomAsciiOfLength(10))
.put("wait_after_unblock", 200)
).get();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
// Pick one node and block it
String blockedNode = blockNodeWithIndex("test-idx");
logger.info("--> snapshot");
client.admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(false).setIndices("test-idx").get();
logger.info("--> waiting for block to kick in");
waitForBlock(blockedNode, "test-repo", TimeValue.timeValueSeconds(60));
logger.info("--> execution was blocked on node [{}], shutting it down", blockedNode);
unblockNode(blockedNode);
logger.info("--> stopping node", blockedNode);
stopNode(blockedNode);
logger.info("--> waiting for completion");
SnapshotInfo snapshotInfo = waitForCompletion("test-repo", "test-snap", TimeValue.timeValueSeconds(60));
logger.info("Number of failed shards [{}]", snapshotInfo.shardFailures().size());
logger.info("--> done");
}
@Test
public void snapshotWithStuckNodeTest() throws Exception {
logger.info("--> start 2 nodes");
ArrayList<String> nodes = newArrayList();
nodes.add(internalCluster().startNode());
nodes.add(internalCluster().startNode());
Client client = client();
assertAcked(prepareCreate("test-idx", 2, settingsBuilder().put("number_of_shards", 2).put("number_of_replicas", 0)));
ensureGreen();
logger.info("--> indexing some data");
for (int i = 0; i < 100; i++) {
index("test-idx", "doc", Integer.toString(i), "foo", "bar" + i);
}
refresh();
assertThat(client.prepareCount("test-idx").get().getCount(), equalTo(100L));
logger.info("--> creating repository");
Path repo = randomRepoPath();
PutRepositoryResponse putRepositoryResponse = client.admin().cluster().preparePutRepository("test-repo")
.setType(MockRepositoryModule.class.getCanonicalName()).setSettings(
Settings.settingsBuilder()
.put("location", repo)
.put("random", randomAsciiOfLength(10))
.put("wait_after_unblock", 200)
).get();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
// Pick one node and block it
String blockedNode = blockNodeWithIndex("test-idx");
// Remove it from the list of available nodes
nodes.remove(blockedNode);
int numberOfFilesBeforeSnapshot = numberOfFiles(repo);
logger.info("--> snapshot");
client.admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(false).setIndices("test-idx").get();
logger.info("--> waiting for block to kick in");
waitForBlock(blockedNode, "test-repo", TimeValue.timeValueSeconds(60));
logger.info("--> execution was blocked on node [{}], aborting snapshot", blockedNode);
ListenableActionFuture<DeleteSnapshotResponse> deleteSnapshotResponseFuture = internalCluster().client(nodes.get(0)).admin().cluster().prepareDeleteSnapshot("test-repo", "test-snap").execute();
// Make sure that abort makes some progress
Thread.sleep(100);
unblockNode(blockedNode);
logger.info("--> stopping node", blockedNode);
stopNode(blockedNode);
try {
DeleteSnapshotResponse deleteSnapshotResponse = deleteSnapshotResponseFuture.actionGet();
assertThat(deleteSnapshotResponse.isAcknowledged(), equalTo(true));
} catch (SnapshotMissingException ex) {
// When master node is closed during this test, it sometime manages to delete the snapshot files before
// completely stopping. In this case the retried delete snapshot operation on the new master can fail
// with SnapshotMissingException
}
logger.info("--> making sure that snapshot no longer exists");
assertThrows(client().admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap").execute(), SnapshotMissingException.class);
// Subtract index file from the count
assertThat("not all files were deleted during snapshot cancellation", numberOfFilesBeforeSnapshot, equalTo(numberOfFiles(repo) - 1));
logger.info("--> done");
}
@Test
public void restoreIndexWithMissingShards() throws Exception {
logger.info("--> start 2 nodes");
internalCluster().startNode();
internalCluster().startNode();
cluster().wipeIndices("_all");
logger.info("--> create an index that will have some unallocated shards");
assertAcked(prepareCreate("test-idx-some", 2, settingsBuilder().put("number_of_shards", 6)
.put("number_of_replicas", 0)));
ensureGreen();
logger.info("--> indexing some data into test-idx-some");
for (int i = 0; i < 100; i++) {
index("test-idx-some", "doc", Integer.toString(i), "foo", "bar" + i);
}
refresh();
assertThat(client().prepareCount("test-idx-some").get().getCount(), equalTo(100L));
logger.info("--> shutdown one of the nodes");
internalCluster().stopRandomDataNode();
assertThat(client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setTimeout("1m").setWaitForNodes("<2").execute().actionGet().isTimedOut(), equalTo(false));
logger.info("--> create an index that will have all allocated shards");
assertAcked(prepareCreate("test-idx-all", 1, settingsBuilder().put("number_of_shards", 6)
.put("number_of_replicas", 0)));
ensureGreen("test-idx-all");
logger.info("--> create an index that will be closed");
assertAcked(prepareCreate("test-idx-closed", 1, settingsBuilder().put("number_of_shards", 4).put("number_of_replicas", 0)));
ensureGreen("test-idx-closed");
logger.info("--> indexing some data into test-idx-all");
for (int i = 0; i < 100; i++) {
index("test-idx-all", "doc", Integer.toString(i), "foo", "bar" + i);
index("test-idx-closed", "doc", Integer.toString(i), "foo", "bar" + i);
}
refresh();
assertThat(client().prepareCount("test-idx-all").get().getCount(), equalTo(100L));
assertAcked(client().admin().indices().prepareClose("test-idx-closed"));
logger.info("--> create an index that will have no allocated shards");
assertAcked(prepareCreate("test-idx-none", 1, settingsBuilder().put("number_of_shards", 6)
.put("index.routing.allocation.include.tag", "nowhere")
.put("number_of_replicas", 0)));
logger.info("--> create repository");
logger.info("--> creating repository");
PutRepositoryResponse putRepositoryResponse = client().admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder().put("location", randomRepoPath())).execute().actionGet();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
logger.info("--> start snapshot with default settings and closed index - should be blocked");
assertBlocked(client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap-1")
.setIndices("test-idx-all", "test-idx-none", "test-idx-some", "test-idx-closed")
.setWaitForCompletion(true), MetaDataIndexStateService.INDEX_CLOSED_BLOCK);
logger.info("--> start snapshot with default settings without a closed index - should fail");
CreateSnapshotResponse createSnapshotResponse = client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap-1")
.setIndices("test-idx-all", "test-idx-none", "test-idx-some")
.setWaitForCompletion(true).execute().actionGet();
assertThat(createSnapshotResponse.getSnapshotInfo().state(), equalTo(SnapshotState.FAILED));
assertThat(createSnapshotResponse.getSnapshotInfo().reason(), containsString("Indices don't have primary shards"));
if (randomBoolean()) {
logger.info("checking snapshot completion using status");
client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap-2")
.setIndices("test-idx-all", "test-idx-none", "test-idx-some")
.setWaitForCompletion(false).setPartial(true).execute().actionGet();
awaitBusy(new Predicate<Object>() {
@Override
public boolean apply(Object o) {
SnapshotsStatusResponse snapshotsStatusResponse = client().admin().cluster().prepareSnapshotStatus("test-repo").setSnapshots("test-snap-2").get();
ImmutableList<SnapshotStatus> snapshotStatuses = snapshotsStatusResponse.getSnapshots();
if (snapshotStatuses.size() == 1) {
logger.trace("current snapshot status [{}]", snapshotStatuses.get(0));
return snapshotStatuses.get(0).getState().completed();
}
return false;
}
});
SnapshotsStatusResponse snapshotsStatusResponse = client().admin().cluster().prepareSnapshotStatus("test-repo").setSnapshots("test-snap-2").get();
ImmutableList<SnapshotStatus> snapshotStatuses = snapshotsStatusResponse.getSnapshots();
assertThat(snapshotStatuses.size(), equalTo(1));
SnapshotStatus snapshotStatus = snapshotStatuses.get(0);
logger.info("State: [{}], Reason: [{}]", createSnapshotResponse.getSnapshotInfo().state(), createSnapshotResponse.getSnapshotInfo().reason());
assertThat(snapshotStatus.getShardsStats().getTotalShards(), equalTo(18));
assertThat(snapshotStatus.getShardsStats().getDoneShards(), lessThan(12));
assertThat(snapshotStatus.getShardsStats().getDoneShards(), greaterThan(6));
// There is slight delay between snapshot being marked as completed in the cluster state and on the file system
// After it was marked as completed in the cluster state - we need to check if it's completed on the file system as well
awaitBusy(new Predicate<Object>() {
@Override
public boolean apply(Object o) {
GetSnapshotsResponse response = client().admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap-2").get();
assertThat(response.getSnapshots().size(), equalTo(1));
SnapshotInfo snapshotInfo = response.getSnapshots().get(0);
if (snapshotInfo.state().completed()) {
assertThat(snapshotInfo.state(), equalTo(SnapshotState.PARTIAL));
return true;
}
return false;
}
});
} else {
logger.info("checking snapshot completion using wait_for_completion flag");
createSnapshotResponse = client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap-2")
.setIndices("test-idx-all", "test-idx-none", "test-idx-some")
.setWaitForCompletion(true).setPartial(true).execute().actionGet();
logger.info("State: [{}], Reason: [{}]", createSnapshotResponse.getSnapshotInfo().state(), createSnapshotResponse.getSnapshotInfo().reason());
assertThat(createSnapshotResponse.getSnapshotInfo().totalShards(), equalTo(18));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), lessThan(12));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), greaterThan(6));
assertThat(client().admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap-2").execute().actionGet().getSnapshots().get(0).state(), equalTo(SnapshotState.PARTIAL));
}
assertAcked(client().admin().indices().prepareClose("test-idx-some", "test-idx-all").execute().actionGet());
logger.info("--> restore incomplete snapshot - should fail");
assertThrows(client().admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap-2").setRestoreGlobalState(false).setWaitForCompletion(true).execute(), SnapshotRestoreException.class);
logger.info("--> restore snapshot for the index that was snapshotted completely");
RestoreSnapshotResponse restoreSnapshotResponse = client().admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap-2").setRestoreGlobalState(false).setIndices("test-idx-all").setWaitForCompletion(true).execute().actionGet();
assertThat(restoreSnapshotResponse.getRestoreInfo(), notNullValue());
assertThat(restoreSnapshotResponse.getRestoreInfo().totalShards(), equalTo(6));
assertThat(restoreSnapshotResponse.getRestoreInfo().successfulShards(), equalTo(6));
assertThat(restoreSnapshotResponse.getRestoreInfo().failedShards(), equalTo(0));
assertThat(client().prepareCount("test-idx-all").get().getCount(), equalTo(100L));
logger.info("--> restore snapshot for the partial index");
cluster().wipeIndices("test-idx-some");
restoreSnapshotResponse = client().admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap-2")
.setRestoreGlobalState(false).setIndices("test-idx-some").setPartial(true).setWaitForCompletion(true).get();
assertThat(restoreSnapshotResponse.getRestoreInfo(), notNullValue());
assertThat(restoreSnapshotResponse.getRestoreInfo().totalShards(), equalTo(6));
assertThat(restoreSnapshotResponse.getRestoreInfo().successfulShards(), allOf(greaterThan(0), lessThan(6)));
assertThat(restoreSnapshotResponse.getRestoreInfo().failedShards(), greaterThan(0));
assertThat(client().prepareCount("test-idx-some").get().getCount(), allOf(greaterThan(0L), lessThan(100L)));
logger.info("--> restore snapshot for the index that didn't have any shards snapshotted successfully");
cluster().wipeIndices("test-idx-none");
restoreSnapshotResponse = client().admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap-2")
.setRestoreGlobalState(false).setIndices("test-idx-none").setPartial(true).setWaitForCompletion(true).get();
assertThat(restoreSnapshotResponse.getRestoreInfo(), notNullValue());
assertThat(restoreSnapshotResponse.getRestoreInfo().totalShards(), equalTo(6));
assertThat(restoreSnapshotResponse.getRestoreInfo().successfulShards(), equalTo(0));
assertThat(restoreSnapshotResponse.getRestoreInfo().failedShards(), equalTo(6));
assertThat(client().prepareCount("test-idx-some").get().getCount(), allOf(greaterThan(0L), lessThan(100L)));
}
@Test
public void restoreIndexWithShardsMissingInLocalGateway() throws Exception {
logger.info("--> start 2 nodes");
Settings nodeSettings = settingsBuilder()
.put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE, EnableAllocationDecider.Rebalance.NONE)
.build();
internalCluster().startNode(nodeSettings);
internalCluster().startNode(nodeSettings);
cluster().wipeIndices("_all");
logger.info("--> create repository");
PutRepositoryResponse putRepositoryResponse = client().admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder().put("location", randomRepoPath())).execute().actionGet();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
int numberOfShards = 6;
logger.info("--> create an index that will have some unallocated shards");
assertAcked(prepareCreate("test-idx", 2, settingsBuilder().put("number_of_shards", numberOfShards)
.put("number_of_replicas", 0)));
ensureGreen();
logger.info("--> indexing some data into test-idx");
for (int i = 0; i < 100; i++) {
index("test-idx", "doc", Integer.toString(i), "foo", "bar" + i);
}
refresh();
assertThat(client().prepareCount("test-idx").get().getCount(), equalTo(100L));
logger.info("--> start snapshot");
assertThat(client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap-1").setIndices("test-idx").setWaitForCompletion(true).get().getSnapshotInfo().state(), equalTo(SnapshotState.SUCCESS));
logger.info("--> close the index");
assertAcked(client().admin().indices().prepareClose("test-idx"));
logger.info("--> shutdown one of the nodes that should make half of the shards unavailable");
internalCluster().restartRandomDataNode(new InternalTestCluster.RestartCallback() {
@Override
public boolean clearData(String nodeName) {
return true;
}
});
assertThat(client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setTimeout("1m").setWaitForNodes("2").execute().actionGet().isTimedOut(), equalTo(false));
logger.info("--> restore index snapshot");
assertThat(client().admin().cluster().prepareRestoreSnapshot("test-repo", "test-snap-1").setRestoreGlobalState(false).setWaitForCompletion(true).get().getRestoreInfo().successfulShards(), equalTo(6));
ensureGreen("test-idx");
assertThat(client().prepareCount("test-idx").get().getCount(), equalTo(100L));
IntSet reusedShards = new IntHashSet();
for (ShardRecoveryResponse response : client().admin().indices().prepareRecoveries("test-idx").get().shardResponses().get("test-idx")) {
if (response.recoveryState().getIndex().reusedBytes() > 0) {
reusedShards.add(response.getShardId());
}
}
logger.info("--> check that at least half of the shards had some reuse: [{}]", reusedShards);
assertThat(reusedShards.size(), greaterThanOrEqualTo(numberOfShards / 2));
}
@Test
public void registrationFailureTest() {
logger.info("--> start first node");
internalCluster().startNode(settingsBuilder().put("plugin.types", MockRepositoryPlugin.class.getName()));
logger.info("--> start second node");
// Make sure the first node is elected as master
internalCluster().startNode(settingsBuilder().put("node.master", false));
// Register mock repositories
for (int i = 0; i < 5; i++) {
client().admin().cluster().preparePutRepository("test-repo" + i)
.setType("mock").setSettings(Settings.settingsBuilder()
.put("location", randomRepoPath())).setVerify(false).get();
}
logger.info("--> make sure that properly setup repository can be registered on all nodes");
client().admin().cluster().preparePutRepository("test-repo-0")
.setType("fs").setSettings(Settings.settingsBuilder()
.put("location", randomRepoPath())).get();
}
@Test
public void testThatSensitiveRepositorySettingsAreNotExposed() throws Exception {
Settings nodeSettings = settingsBuilder().put("plugin.types", MockRepositoryPlugin.class.getName()).build();
logger.info("--> start two nodes");
internalCluster().startNodesAsync(2, nodeSettings).get();
// Register mock repositories
client().admin().cluster().preparePutRepository("test-repo")
.setType("mock").setSettings(Settings.settingsBuilder()
.put("location", randomRepoPath())
.put("secret.mock.username", "notsecretusername")
.put("secret.mock.password", "verysecretpassword")
).get();
RestGetRepositoriesAction getRepoAction = internalCluster().getInstance(RestGetRepositoriesAction.class);
RestRequest getRepoRequest = new FakeRestRequest();
getRepoRequest.params().put("repository", "test-repo");
final CountDownLatch getRepoLatch = new CountDownLatch(1);
final AtomicReference<AssertionError> getRepoError = new AtomicReference<>();
getRepoAction.handleRequest(getRepoRequest, new RestChannel(getRepoRequest, true) {
@Override
public void sendResponse(RestResponse response) {
try {
assertThat(response.content().toUtf8(), containsString("notsecretusername"));
assertThat(response.content().toUtf8(), not(containsString("verysecretpassword")));
} catch (AssertionError ex) {
getRepoError.set(ex);
}
getRepoLatch.countDown();
}
});
assertTrue(getRepoLatch.await(1, TimeUnit.SECONDS));
if (getRepoError.get() != null) {
throw getRepoError.get();
}
RestClusterStateAction clusterStateAction = internalCluster().getInstance(RestClusterStateAction.class);
RestRequest clusterStateRequest = new FakeRestRequest();
final CountDownLatch clusterStateLatch = new CountDownLatch(1);
final AtomicReference<AssertionError> clusterStateError = new AtomicReference<>();
clusterStateAction.handleRequest(clusterStateRequest, new RestChannel(clusterStateRequest, true) {
@Override
public void sendResponse(RestResponse response) {
try {
assertThat(response.content().toUtf8(), containsString("notsecretusername"));
assertThat(response.content().toUtf8(), not(containsString("verysecretpassword")));
} catch (AssertionError ex) {
clusterStateError.set(ex);
}
clusterStateLatch.countDown();
}
});
assertTrue(clusterStateLatch.await(1, TimeUnit.SECONDS));
if (clusterStateError.get() != null) {
throw clusterStateError.get();
}
}
@Test
@Ignore
public void chaosSnapshotTest() throws Exception {
final List<String> indices = new CopyOnWriteArrayList<>();
Settings settings = settingsBuilder().put("action.write_consistency", "one").build();
int initialNodes = between(1, 3);
logger.info("--> start {} nodes", initialNodes);
for (int i = 0; i < initialNodes; i++) {
internalCluster().startNode(settings);
}
logger.info("--> creating repository");
assertAcked(client().admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder()
.put("location", randomRepoPath())
.put("compress", randomBoolean())
.put("chunk_size", randomIntBetween(100, 1000))));
int initialIndices = between(1, 3);
logger.info("--> create {} indices", initialIndices);
for (int i = 0; i < initialIndices; i++) {
createTestIndex("test-" + i);
indices.add("test-" + i);
}
int asyncNodes = between(0, 5);
logger.info("--> start {} additional nodes asynchronously", asyncNodes);
ListenableFuture<List<String>> asyncNodesFuture = internalCluster().startNodesAsync(asyncNodes, settings);
int asyncIndices = between(0, 10);
logger.info("--> create {} additional indices asynchronously", asyncIndices);
Thread[] asyncIndexThreads = new Thread[asyncIndices];
for (int i = 0; i < asyncIndices; i++) {
final int cur = i;
asyncIndexThreads[i] = new Thread(new Runnable() {
@Override
public void run() {
createTestIndex("test-async-" + cur);
indices.add("test-async-" + cur);
}
});
asyncIndexThreads[i].start();
}
logger.info("--> snapshot");
ListenableActionFuture<CreateSnapshotResponse> snapshotResponseFuture = client().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(true).setIndices("test-*").setPartial(true).execute();
long start = System.currentTimeMillis();
// Produce chaos for 30 sec or until snapshot is done whatever comes first
int randomIndices = 0;
while (System.currentTimeMillis() - start < 30000 && !snapshotIsDone("test-repo", "test-snap")) {
Thread.sleep(100);
int chaosType = randomInt(10);
if (chaosType < 4) {
// Randomly delete an index
if (indices.size() > 0) {
String index = indices.remove(randomInt(indices.size() - 1));
logger.info("--> deleting random index [{}]", index);
internalCluster().wipeIndices(index);
}
} else if (chaosType < 6) {
// Randomly shutdown a node
if (cluster().size() > 1) {
logger.info("--> shutting down random node");
internalCluster().stopRandomDataNode();
}
} else if (chaosType < 8) {
// Randomly create an index
String index = "test-rand-" + randomIndices;
logger.info("--> creating random index [{}]", index);
createTestIndex(index);
randomIndices++;
} else {
// Take a break
logger.info("--> noop");
}
}
logger.info("--> waiting for async indices creation to finish");
for (int i = 0; i < asyncIndices; i++) {
asyncIndexThreads[i].join();
}
logger.info("--> update index settings to back to normal");
assertAcked(client().admin().indices().prepareUpdateSettings("test-*").setSettings(Settings.builder()
.put(IndexStore.INDEX_STORE_THROTTLE_TYPE, "node")
));
// Make sure that snapshot finished - doesn't matter if it failed or succeeded
try {
CreateSnapshotResponse snapshotResponse = snapshotResponseFuture.get();
SnapshotInfo snapshotInfo = snapshotResponse.getSnapshotInfo();
assertNotNull(snapshotInfo);
logger.info("--> snapshot is done with state [{}], total shards [{}], successful shards [{}]", snapshotInfo.state(), snapshotInfo.totalShards(), snapshotInfo.successfulShards());
} catch (Exception ex) {
logger.info("--> snapshot didn't start properly", ex);
}
asyncNodesFuture.get();
logger.info("--> done");
}
@Test
public void masterShutdownDuringSnapshotTest() throws Exception {
Settings masterSettings = settingsBuilder().put("node.data", false).build();
Settings dataSettings = settingsBuilder().put("node.master", false).build();
logger.info("--> starting two master nodes and two data nodes");
internalCluster().startNode(masterSettings);
internalCluster().startNode(masterSettings);
internalCluster().startNode(dataSettings);
internalCluster().startNode(dataSettings);
final Client client = client();
logger.info("--> creating repository");
assertAcked(client.admin().cluster().preparePutRepository("test-repo")
.setType("fs").setSettings(Settings.settingsBuilder()
.put("location", randomRepoPath())
.put("compress", randomBoolean())
.put("chunk_size", randomIntBetween(100, 1000))));
assertAcked(prepareCreate("test-idx", 0, settingsBuilder().put("number_of_shards", between(1, 20))
.put("number_of_replicas", 0)));
ensureGreen();
logger.info("--> indexing some data");
final int numdocs = randomIntBetween(10, 100);
IndexRequestBuilder[] builders = new IndexRequestBuilder[numdocs];
for (int i = 0; i < builders.length; i++) {
builders[i] = client().prepareIndex("test-idx", "type1", Integer.toString(i)).setSource("field1", "bar " + i);
}
indexRandom(true, builders);
flushAndRefresh();
final int numberOfShards = getNumShards("test-idx").numPrimaries;
logger.info("number of shards: {}", numberOfShards);
final ClusterService clusterService = internalCluster().clusterService(internalCluster().getMasterName());
BlockingClusterStateListener snapshotListener = new BlockingClusterStateListener(clusterService, "update_snapshot [", "update snapshot state", Priority.HIGH);
try {
clusterService.addFirst(snapshotListener);
logger.info("--> snapshot");
dataNodeClient().admin().cluster().prepareCreateSnapshot("test-repo", "test-snap").setWaitForCompletion(false).setIndices("test-idx").get();
// Await until some updates are in pending state.
assertBusyPendingTasks("update snapshot state", 1);
logger.info("--> stopping master node");
internalCluster().stopCurrentMasterNode();
logger.info("--> unblocking snapshot execution");
snapshotListener.unblock();
logger.info("--> wait until the snapshot is done");
} finally {
clusterService.remove(snapshotListener);
}
assertBusy(new Runnable() {
@Override
public void run() {
SnapshotsStatusResponse snapshotsStatusResponse = client().admin().cluster().prepareSnapshotStatus("test-repo").setSnapshots("test-snap").get();
ImmutableList<SnapshotStatus> snapshotStatuses = snapshotsStatusResponse.getSnapshots();
assertEquals(1, snapshotStatuses.size());
assertTrue(snapshotStatuses.get(0).getState().completed());
}
});
GetSnapshotsResponse snapshotsStatusResponse = client().admin().cluster().prepareGetSnapshots("test-repo").setSnapshots("test-snap").get();
SnapshotInfo snapshotInfo = snapshotsStatusResponse.getSnapshots().get(0);
assertEquals(SnapshotState.SUCCESS, snapshotInfo.state());
assertEquals(snapshotInfo.totalShards(), snapshotInfo.successfulShards());
assertEquals(0, snapshotInfo.failedShards());
}
private boolean snapshotIsDone(String repository, String snapshot) {
try {
SnapshotsStatusResponse snapshotsStatusResponse = client().admin().cluster().prepareSnapshotStatus(repository).setSnapshots(snapshot).get();
if (snapshotsStatusResponse.getSnapshots().isEmpty()) {
return false;
}
for (SnapshotStatus snapshotStatus : snapshotsStatusResponse.getSnapshots()) {
if (snapshotStatus.getState().completed()) {
return true;
}
}
return false;
} catch (SnapshotMissingException ex) {
return false;
}
}
private void createTestIndex(String name) {
assertAcked(prepareCreate(name, 0, settingsBuilder().put("number_of_shards", between(1, 6))
.put("number_of_replicas", between(1, 6))));
ensureYellow(name);
logger.info("--> indexing some data into {}", name);
for (int i = 0; i < between(10, 500); i++) {
index(name, "doc", Integer.toString(i), "foo", "bar" + i);
}
assertAcked(client().admin().indices().prepareUpdateSettings(name).setSettings(Settings.builder()
.put(IndexStore.INDEX_STORE_THROTTLE_TYPE, "all")
.put(IndexStore.INDEX_STORE_THROTTLE_MAX_BYTES_PER_SEC, between(100, 50000))
));
}
public static abstract class TestCustomMetaData extends AbstractDiffable<Custom> implements MetaData.Custom {
private final String data;
protected TestCustomMetaData(String data) {
this.data = data;
}
public String getData() {
return data;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TestCustomMetaData that = (TestCustomMetaData) o;
if (!data.equals(that.data)) return false;
return true;
}
@Override
public int hashCode() {
return data.hashCode();
}
protected abstract TestCustomMetaData newTestCustomMetaData(String data);
@Override
public Custom readFrom(StreamInput in) throws IOException {
return newTestCustomMetaData(in.readString());
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(getData());
}
@Override
public Custom fromXContent(XContentParser parser) throws IOException {
XContentParser.Token token;
String data = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
String currentFieldName = parser.currentName();
if ("data".equals(currentFieldName)) {
if (parser.nextToken() != XContentParser.Token.VALUE_STRING) {
throw new ElasticsearchParseException("failed to parse snapshottable metadata, invalid data type");
}
data = parser.text();
} else {
throw new ElasticsearchParseException("failed to parse snapshottable metadata, unknown field [" + currentFieldName + "]");
}
} else {
throw new ElasticsearchParseException("failed to parse snapshottable metadata");
}
}
if (data == null) {
throw new ElasticsearchParseException("failed to parse snapshottable metadata, data not found");
}
return newTestCustomMetaData(data);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException {
builder.field("data", getData());
return builder;
}
}
static {
MetaData.registerPrototype(SnapshottableMetadata.TYPE, SnapshottableMetadata.PROTO);
MetaData.registerPrototype(NonSnapshottableMetadata.TYPE, NonSnapshottableMetadata.PROTO);
MetaData.registerPrototype(SnapshottableGatewayMetadata.TYPE, SnapshottableGatewayMetadata.PROTO);
MetaData.registerPrototype(NonSnapshottableGatewayMetadata.TYPE, NonSnapshottableGatewayMetadata.PROTO);
MetaData.registerPrototype(SnapshotableGatewayNoApiMetadata.TYPE, SnapshotableGatewayNoApiMetadata.PROTO);
}
public static class SnapshottableMetadata extends TestCustomMetaData {
public static final String TYPE = "test_snapshottable";
public static final SnapshottableMetadata PROTO = new SnapshottableMetadata("");
public SnapshottableMetadata(String data) {
super(data);
}
@Override
public String type() {
return TYPE;