b4de05ee72
Change-Id: I9986d6372724030ff360c49d578a0a8edb70c881 Signed-off-by: Edwin Kempin <ekempin@google.com>
83 lines
3.3 KiB
Java
83 lines
3.3 KiB
Java
// Copyright (C) 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.elasticsearch;
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import com.google.common.base.Strings;
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import com.google.common.flogger.FluentLogger;
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import com.google.common.primitives.Ints;
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import com.google.gerrit.index.Index;
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import com.google.gerrit.index.IndexDefinition;
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import com.google.gerrit.index.Schema;
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import com.google.gerrit.server.config.GerritServerConfig;
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import com.google.gerrit.server.config.SitePaths;
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import com.google.gerrit.server.index.GerritIndexStatus;
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import com.google.gerrit.server.index.OnlineUpgradeListener;
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import com.google.gerrit.server.index.VersionManager;
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import com.google.gerrit.server.plugincontext.PluginSetContext;
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import com.google.inject.Inject;
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import com.google.inject.Singleton;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.List;
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import java.util.TreeMap;
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import org.eclipse.jgit.lib.Config;
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@Singleton
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public class ElasticIndexVersionManager extends VersionManager {
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private static final FluentLogger logger = FluentLogger.forEnclosingClass();
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private final String prefix;
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private final ElasticIndexVersionDiscovery versionDiscovery;
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@Inject
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ElasticIndexVersionManager(
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@GerritServerConfig Config cfg,
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SitePaths sitePaths,
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PluginSetContext<OnlineUpgradeListener> listeners,
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Collection<IndexDefinition<?, ?, ?>> defs,
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ElasticIndexVersionDiscovery versionDiscovery) {
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super(sitePaths, listeners, defs, VersionManager.getOnlineUpgrade(cfg));
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this.versionDiscovery = versionDiscovery;
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prefix = Strings.nullToEmpty(cfg.getString("elasticsearch", null, "prefix"));
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}
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@Override
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protected <K, V, I extends Index<K, V>> TreeMap<Integer, Version<V>> scanVersions(
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IndexDefinition<K, V, I> def, GerritIndexStatus cfg) {
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TreeMap<Integer, Version<V>> versions = new TreeMap<>();
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try {
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List<String> discovered = versionDiscovery.discover(prefix, def.getName());
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logger.atFine().log("Discovered versions for %s: %s", def.getName(), discovered);
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for (String version : discovered) {
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Integer v = Ints.tryParse(version);
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if (v == null || version.length() != 4) {
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logger.atWarning().log("Unrecognized version in index %s: %s", def.getName(), version);
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continue;
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}
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versions.put(v, new Version<>(null, v, true, cfg.getReady(def.getName(), v)));
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}
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} catch (IOException e) {
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logger.atSevere().withCause(e).log("Error scanning index: %s", def.getName());
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}
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for (Schema<V> schema : def.getSchemas().values()) {
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int v = schema.getVersion();
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boolean exists = versions.containsKey(v);
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versions.put(v, new Version<>(schema, v, exists, cfg.getReady(def.getName(), v)));
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}
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return versions;
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}
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}
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