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Tests: Make sure snapshots created with old version of elasticsearch …
…can be restored Closes #8968
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src/test/java/org/elasticsearch/bwcompat/RestoreBackwardsCompatTests.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.bwcompat; | ||
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import org.apache.lucene.util.LuceneTestCase.Slow; | ||
import org.elasticsearch.Version; | ||
import org.elasticsearch.action.admin.cluster.snapshots.restore.RestoreSnapshotResponse; | ||
import org.elasticsearch.action.search.SearchResponse; | ||
import org.elasticsearch.cluster.ClusterState; | ||
import org.elasticsearch.cluster.metadata.IndexMetaData; | ||
import org.elasticsearch.cluster.metadata.IndexTemplateMetaData; | ||
import org.elasticsearch.cluster.routing.allocation.decider.FilterAllocationDecider; | ||
import org.elasticsearch.common.settings.ImmutableSettings; | ||
import org.elasticsearch.rest.RestStatus; | ||
import org.elasticsearch.snapshots.AbstractSnapshotTests; | ||
import org.elasticsearch.snapshots.RestoreInfo; | ||
import org.elasticsearch.test.ElasticsearchIntegrationTest.ClusterScope; | ||
import org.elasticsearch.test.ElasticsearchIntegrationTest.Scope; | ||
import org.junit.Test; | ||
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import java.io.IOException; | ||
import java.lang.reflect.Modifier; | ||
import java.net.URI; | ||
import java.nio.file.DirectoryStream; | ||
import java.nio.file.Files; | ||
import java.nio.file.Path; | ||
import java.nio.file.Paths; | ||
import java.util.List; | ||
import java.util.Locale; | ||
import java.util.SortedSet; | ||
import java.util.TreeSet; | ||
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import static com.google.common.collect.Lists.newArrayList; | ||
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; | ||
import static org.hamcrest.Matchers.*; | ||
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@Slow | ||
@ClusterScope(scope = Scope.TEST) | ||
public class RestoreBackwardsCompatTests extends AbstractSnapshotTests { | ||
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@Test | ||
public void restoreOldSnapshots() throws Exception { | ||
String repo = "test_repo"; | ||
String snapshot = "test_1"; | ||
List<String> repoVersions = repoVersions(); | ||
assertThat(repoVersions.size(), greaterThan(0)); | ||
for (String version : repoVersions) { | ||
createRepo(version, repo); | ||
testOldSnapshot(version, repo, snapshot); | ||
} | ||
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SortedSet<String> expectedVersions = new TreeSet<>(); | ||
for (java.lang.reflect.Field field : Version.class.getDeclaredFields()) { | ||
if (Modifier.isStatic(field.getModifiers()) && field.getType() == Version.class) { | ||
Version v = (Version) field.get(Version.class); | ||
if (v.snapshot()) continue; | ||
if (v.onOrBefore(Version.V_1_0_0_Beta1)) continue; | ||
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expectedVersions.add(v.toString()); | ||
} | ||
} | ||
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for (String repoVersion : repoVersions) { | ||
if (expectedVersions.remove(repoVersion) == false) { | ||
logger.warn("Old repositories tests contain extra repo: " + repoVersion); | ||
} | ||
} | ||
if (expectedVersions.isEmpty() == false) { | ||
StringBuilder msg = new StringBuilder("Old repositories tests are missing versions:"); | ||
for (String expected : expectedVersions) { | ||
msg.append("\n" + expected); | ||
} | ||
fail(msg.toString()); | ||
} | ||
} | ||
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public static List<String> repoVersions() throws Exception { | ||
List<String> repoVersions = newArrayList(); | ||
Path repoFiles = Paths.get(RestoreBackwardsCompatTests.class.getResource(".").toURI()); | ||
try (DirectoryStream<Path> stream = Files.newDirectoryStream(repoFiles, "repo-*.zip")) { | ||
for (Path entry : stream) { | ||
String fileName = entry.getFileName().toString(); | ||
String version = fileName.substring("repo-".length()); | ||
version = version.substring(0, version.length() - ".zip".length()); | ||
repoVersions.add(version); | ||
} | ||
} | ||
return repoVersions; | ||
} | ||
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private void createRepo(String version, String repo) throws Exception { | ||
String repoFile = "repo-" + version + ".zip"; | ||
URI repoFileUri = getClass().getResource(repoFile).toURI(); | ||
URI repoJarUri = new URI("jar:" + repoFileUri.toString() + "!/repo/"); | ||
logger.info("--> creating repository [{}] for version [{}]", repo, version); | ||
assertAcked(client().admin().cluster().preparePutRepository(repo) | ||
.setType("url").setSettings(ImmutableSettings.settingsBuilder() | ||
.put("url", repoJarUri.toString()))); | ||
} | ||
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private void testOldSnapshot(String version, String repo, String snapshot) throws IOException { | ||
logger.info("--> restoring snapshot"); | ||
RestoreSnapshotResponse response = client().admin().cluster().prepareRestoreSnapshot(repo, snapshot).setRestoreGlobalState(true).setWaitForCompletion(true).get(); | ||
assertThat(response.status(), equalTo(RestStatus.OK)); | ||
RestoreInfo restoreInfo = response.getRestoreInfo(); | ||
assertThat(restoreInfo.successfulShards(), greaterThan(0)); | ||
assertThat(restoreInfo.successfulShards(), equalTo(restoreInfo.totalShards())); | ||
assertThat(restoreInfo.failedShards(), equalTo(0)); | ||
String index = restoreInfo.indices().get(0); | ||
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logger.info("--> check search"); | ||
SearchResponse searchResponse = client().prepareSearch(index).get(); | ||
assertThat(searchResponse.getHits().totalHits(), greaterThan(1L)); | ||
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logger.info("--> check settings"); | ||
ClusterState clusterState = client().admin().cluster().prepareState().get().getState(); | ||
assertThat(clusterState.metaData().persistentSettings().get(FilterAllocationDecider.CLUSTER_ROUTING_EXCLUDE_GROUP + "version_attr"), equalTo(version)); | ||
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logger.info("--> check templates"); | ||
IndexTemplateMetaData template = clusterState.getMetaData().templates().get("template_" + version.toLowerCase(Locale.ROOT)); | ||
assertThat(template, notNullValue()); | ||
assertThat(template.template(), equalTo("te*")); | ||
assertThat(template.settings().getAsInt(IndexMetaData.SETTING_NUMBER_OF_SHARDS, -1), equalTo(1)); | ||
assertThat(template.mappings().size(), equalTo(1)); | ||
assertThat(template.mappings().get("type1").string(), equalTo("{\"type1\":{\"_source\":{\"enabled\":false}}}")); | ||
if (Version.fromString(version).onOrAfter(Version.V_1_1_0)) { | ||
// Support for aliases in templates was added in v1.1.0 | ||
assertThat(template.aliases().size(), equalTo(3)); | ||
assertThat(template.aliases().get("alias1"), notNullValue()); | ||
assertThat(template.aliases().get("alias2").filter().string(), containsString(version)); | ||
assertThat(template.aliases().get("alias2").indexRouting(), equalTo("kimchy")); | ||
assertThat(template.aliases().get("{index}-alias"), notNullValue()); | ||
} | ||
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logger.info("--> cleanup"); | ||
cluster().wipeIndices(restoreInfo.indices().toArray(new String[restoreInfo.indices().size()])); | ||
cluster().wipeTemplates(); | ||
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} | ||
} | ||
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