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Example 31 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class DelayedAllocationServiceTests method testNoDelayedUnassigned.

public void testNoDelayedUnassigned() throws Exception {
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT).put(UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(), "0")).numberOfShards(1).numberOfReplicas(1)).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(RoutingTable.builder().addAsNew(metaData.index("test")).build()).build();
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2")).localNodeId("node1").masterNodeId("node1")).build();
    clusterState = allocationService.reroute(clusterState, "reroute");
    // starting primaries
    clusterState = allocationService.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    // starting replicas
    clusterState = allocationService.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    assertThat(clusterState.getRoutingNodes().unassigned().size() > 0, equalTo(false));
    ClusterState prevState = clusterState;
    // remove node2 and reroute
    DiscoveryNodes.Builder nodes = DiscoveryNodes.builder(clusterState.nodes()).remove("node2");
    boolean nodeAvailableForAllocation = randomBoolean();
    if (nodeAvailableForAllocation) {
        nodes.add(newNode("node3"));
    }
    clusterState = ClusterState.builder(clusterState).nodes(nodes).build();
    clusterState = allocationService.deassociateDeadNodes(clusterState, true, "reroute");
    ClusterState newState = clusterState;
    List<ShardRouting> unassignedShards = newState.getRoutingTable().shardsWithState(ShardRoutingState.UNASSIGNED);
    if (nodeAvailableForAllocation) {
        assertThat(unassignedShards.size(), equalTo(0));
    } else {
        assertThat(unassignedShards.size(), equalTo(1));
        assertThat(unassignedShards.get(0).unassignedInfo().isDelayed(), equalTo(false));
    }
    delayedAllocationService.clusterChanged(new ClusterChangedEvent("test", newState, prevState));
    verifyNoMoreInteractions(clusterService);
    assertNull(delayedAllocationService.delayedRerouteTask.get());
}
Also used : ClusterState(org.elasticsearch.cluster.ClusterState) MetaData(org.elasticsearch.cluster.metadata.MetaData) IndexMetaData(org.elasticsearch.cluster.metadata.IndexMetaData) ClusterChangedEvent(org.elasticsearch.cluster.ClusterChangedEvent) DiscoveryNodes(org.elasticsearch.cluster.node.DiscoveryNodes)

Example 32 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class TransportClusterStateAction method masterOperation.

@Override
protected void masterOperation(final ClusterStateRequest request, final ClusterState state, final ActionListener<ClusterStateResponse> listener) throws IOException {
    ClusterState currentState = clusterService.state();
    logger.trace("Serving cluster state request using version {}", currentState.version());
    ClusterState.Builder builder = ClusterState.builder(currentState.getClusterName());
    builder.version(currentState.version());
    builder.stateUUID(currentState.stateUUID());
    if (request.nodes()) {
        builder.nodes(currentState.nodes());
    }
    if (request.routingTable()) {
        if (request.indices().length > 0) {
            RoutingTable.Builder routingTableBuilder = RoutingTable.builder();
            String[] indices = indexNameExpressionResolver.concreteIndexNames(currentState, request);
            for (String filteredIndex : indices) {
                if (currentState.routingTable().getIndicesRouting().containsKey(filteredIndex)) {
                    routingTableBuilder.add(currentState.routingTable().getIndicesRouting().get(filteredIndex));
                }
            }
            builder.routingTable(routingTableBuilder.build());
        } else {
            builder.routingTable(currentState.routingTable());
        }
    }
    if (request.blocks()) {
        builder.blocks(currentState.blocks());
    }
    if (request.metaData()) {
        MetaData.Builder mdBuilder;
        if (request.indices().length == 0) {
            mdBuilder = MetaData.builder(currentState.metaData());
        } else {
            mdBuilder = MetaData.builder();
        }
        if (request.indices().length > 0) {
            String[] indices = indexNameExpressionResolver.concreteIndexNames(currentState, request);
            for (String filteredIndex : indices) {
                IndexMetaData indexMetaData = currentState.metaData().index(filteredIndex);
                if (indexMetaData != null) {
                    mdBuilder.put(indexMetaData, false);
                }
            }
        }
        // Filter our metadata that shouldn't be returned by API
        for (ObjectObjectCursor<String, Custom> custom : currentState.metaData().customs()) {
            if (!custom.value.context().contains(MetaData.XContentContext.API)) {
                mdBuilder.removeCustom(custom.key);
            }
        }
        builder.metaData(mdBuilder);
    }
    if (request.customs()) {
        builder.customs(currentState.customs());
    }
    listener.onResponse(new ClusterStateResponse(currentState.getClusterName(), builder.build(), serializeFullClusterState(currentState, Version.CURRENT).length()));
}
Also used : ClusterState(org.elasticsearch.cluster.ClusterState) PublishClusterStateAction.serializeFullClusterState(org.elasticsearch.discovery.zen.PublishClusterStateAction.serializeFullClusterState) RoutingTable(org.elasticsearch.cluster.routing.RoutingTable) MetaData(org.elasticsearch.cluster.metadata.MetaData) IndexMetaData(org.elasticsearch.cluster.metadata.IndexMetaData) Custom(org.elasticsearch.cluster.metadata.MetaData.Custom) IndexMetaData(org.elasticsearch.cluster.metadata.IndexMetaData)

Example 33 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class SettingsUpdater method updateSettings.

synchronized ClusterState updateSettings(final ClusterState currentState, Settings transientToApply, Settings persistentToApply) {
    boolean changed = false;
    Settings.Builder transientSettings = Settings.builder();
    transientSettings.put(currentState.metaData().transientSettings());
    changed |= clusterSettings.updateDynamicSettings(transientToApply, transientSettings, transientUpdates, "transient");
    Settings.Builder persistentSettings = Settings.builder();
    persistentSettings.put(currentState.metaData().persistentSettings());
    changed |= clusterSettings.updateDynamicSettings(persistentToApply, persistentSettings, persistentUpdates, "persistent");
    if (!changed) {
        return currentState;
    }
    MetaData.Builder metaData = MetaData.builder(currentState.metaData()).persistentSettings(persistentSettings.build()).transientSettings(transientSettings.build());
    ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks());
    boolean updatedReadOnly = MetaData.SETTING_READ_ONLY_SETTING.get(metaData.persistentSettings()) || MetaData.SETTING_READ_ONLY_SETTING.get(metaData.transientSettings());
    if (updatedReadOnly) {
        blocks.addGlobalBlock(MetaData.CLUSTER_READ_ONLY_BLOCK);
    } else {
        blocks.removeGlobalBlock(MetaData.CLUSTER_READ_ONLY_BLOCK);
    }
    ClusterState build = builder(currentState).metaData(metaData).blocks(blocks).build();
    Settings settings = build.metaData().settings();
    // now we try to apply things and if they are invalid we fail
    // this dryRun will validate & parse settings but won't actually apply them.
    clusterSettings.validateUpdate(settings);
    return build;
}
Also used : ClusterState(org.elasticsearch.cluster.ClusterState) ClusterBlocks(org.elasticsearch.cluster.block.ClusterBlocks) MetaData(org.elasticsearch.cluster.metadata.MetaData) ClusterSettings(org.elasticsearch.common.settings.ClusterSettings) Settings(org.elasticsearch.common.settings.Settings)

Example 34 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class RestIndicesAction method doCatRequest.

@Override
public RestChannelConsumer doCatRequest(final RestRequest request, final NodeClient client) {
    final String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
    final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
    clusterStateRequest.clear().indices(indices).metaData(true);
    clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
    clusterStateRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterStateRequest.masterNodeTimeout()));
    final IndicesOptions strictExpandIndicesOptions = IndicesOptions.strictExpand();
    clusterStateRequest.indicesOptions(strictExpandIndicesOptions);
    return channel -> client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {

        @Override
        public void processResponse(final ClusterStateResponse clusterStateResponse) {
            final ClusterState state = clusterStateResponse.getState();
            final Index[] concreteIndices = indexNameExpressionResolver.concreteIndices(state, strictExpandIndicesOptions, indices);
            assert concreteIndices.length == state.metaData().getIndices().size();
            ClusterHealthRequest clusterHealthRequest = Requests.clusterHealthRequest(indices);
            clusterHealthRequest.local(request.paramAsBoolean("local", clusterHealthRequest.local()));
            client.admin().cluster().health(clusterHealthRequest, new RestActionListener<ClusterHealthResponse>(channel) {

                @Override
                public void processResponse(final ClusterHealthResponse clusterHealthResponse) {
                    IndicesStatsRequest indicesStatsRequest = new IndicesStatsRequest();
                    indicesStatsRequest.indices(indices);
                    indicesStatsRequest.indicesOptions(strictExpandIndicesOptions);
                    indicesStatsRequest.all();
                    client.admin().indices().stats(indicesStatsRequest, new RestResponseListener<IndicesStatsResponse>(channel) {

                        @Override
                        public RestResponse buildResponse(IndicesStatsResponse indicesStatsResponse) throws Exception {
                            Table tab = buildTable(request, concreteIndices, clusterHealthResponse, indicesStatsResponse, state.metaData());
                            return RestTable.buildResponse(tab, channel);
                        }
                    });
                }
            });
        }
    });
}
Also used : MetaData(org.elasticsearch.cluster.metadata.MetaData) DateTimeZone(org.joda.time.DateTimeZone) Arrays(java.util.Arrays) GET(org.elasticsearch.rest.RestRequest.Method.GET) Table(org.elasticsearch.common.Table) IndexStats(org.elasticsearch.action.admin.indices.stats.IndexStats) Index(org.elasticsearch.index.Index) ClusterIndexHealth(org.elasticsearch.cluster.health.ClusterIndexHealth) Strings(org.elasticsearch.common.Strings) HashSet(java.util.HashSet) IndicesStatsResponse(org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse) ClusterState(org.elasticsearch.cluster.ClusterState) IndicesStatsRequest(org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest) Settings(org.elasticsearch.common.settings.Settings) Locale(java.util.Locale) IndicesOptions(org.elasticsearch.action.support.IndicesOptions) RestRequest(org.elasticsearch.rest.RestRequest) NodeClient(org.elasticsearch.client.node.NodeClient) Requests(org.elasticsearch.client.Requests) RestResponseListener(org.elasticsearch.rest.action.RestResponseListener) RestResponse(org.elasticsearch.rest.RestResponse) DateTime(org.joda.time.DateTime) Set(java.util.Set) ClusterHealthResponse(org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse) RestController(org.elasticsearch.rest.RestController) ClusterStateResponse(org.elasticsearch.action.admin.cluster.state.ClusterStateResponse) ClusterHealthRequest(org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest) IndexMetaData(org.elasticsearch.cluster.metadata.IndexMetaData) ClusterStateRequest(org.elasticsearch.action.admin.cluster.state.ClusterStateRequest) ClusterHealthStatus(org.elasticsearch.cluster.health.ClusterHealthStatus) IndexNameExpressionResolver(org.elasticsearch.cluster.metadata.IndexNameExpressionResolver) Collections(java.util.Collections) RestActionListener(org.elasticsearch.rest.action.RestActionListener) ClusterState(org.elasticsearch.cluster.ClusterState) IndicesStatsResponse(org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse) Table(org.elasticsearch.common.Table) ClusterHealthResponse(org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse) ClusterHealthRequest(org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest) ClusterStateResponse(org.elasticsearch.action.admin.cluster.state.ClusterStateResponse) RestResponse(org.elasticsearch.rest.RestResponse) ClusterStateRequest(org.elasticsearch.action.admin.cluster.state.ClusterStateRequest) RestActionListener(org.elasticsearch.rest.action.RestActionListener) IndicesOptions(org.elasticsearch.action.support.IndicesOptions) IndicesStatsRequest(org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest)

Example 35 with MetaData

use of org.elasticsearch.cluster.metadata.MetaData in project elasticsearch by elastic.

the class RestoreService method restoreSnapshot.

/**
     * Restores snapshot specified in the restore request.
     *
     * @param request  restore request
     * @param listener restore listener
     */
public void restoreSnapshot(final RestoreRequest request, final ActionListener<RestoreCompletionResponse> listener) {
    try {
        // Read snapshot info and metadata from the repository
        Repository repository = repositoriesService.repository(request.repositoryName);
        final RepositoryData repositoryData = repository.getRepositoryData();
        final Optional<SnapshotId> incompatibleSnapshotId = repositoryData.getIncompatibleSnapshotIds().stream().filter(s -> request.snapshotName.equals(s.getName())).findFirst();
        if (incompatibleSnapshotId.isPresent()) {
            throw new SnapshotRestoreException(request.repositoryName, request.snapshotName, "cannot restore incompatible snapshot");
        }
        final Optional<SnapshotId> matchingSnapshotId = repositoryData.getSnapshotIds().stream().filter(s -> request.snapshotName.equals(s.getName())).findFirst();
        if (matchingSnapshotId.isPresent() == false) {
            throw new SnapshotRestoreException(request.repositoryName, request.snapshotName, "snapshot does not exist");
        }
        final SnapshotId snapshotId = matchingSnapshotId.get();
        final SnapshotInfo snapshotInfo = repository.getSnapshotInfo(snapshotId);
        final Snapshot snapshot = new Snapshot(request.repositoryName, snapshotId);
        List<String> filteredIndices = SnapshotUtils.filterIndices(snapshotInfo.indices(), request.indices(), request.indicesOptions());
        MetaData metaData = repository.getSnapshotMetaData(snapshotInfo, repositoryData.resolveIndices(filteredIndices));
        // Make sure that we can restore from this snapshot
        validateSnapshotRestorable(request.repositoryName, snapshotInfo);
        // Find list of indices that we need to restore
        final Map<String, String> renamedIndices = renamedIndices(request, filteredIndices);
        // Now we can start the actual restore process by adding shards to be recovered in the cluster state
        // and updating cluster metadata (global and index) as needed
        clusterService.submitStateUpdateTask(request.cause(), new ClusterStateUpdateTask() {

            RestoreInfo restoreInfo = null;

            @Override
            public ClusterState execute(ClusterState currentState) {
                // Check if another restore process is already running - cannot run two restore processes at the
                // same time
                RestoreInProgress restoreInProgress = currentState.custom(RestoreInProgress.TYPE);
                if (restoreInProgress != null && !restoreInProgress.entries().isEmpty()) {
                    throw new ConcurrentSnapshotExecutionException(snapshot, "Restore process is already running in this cluster");
                }
                // Check if the snapshot to restore is currently being deleted
                SnapshotDeletionsInProgress deletionsInProgress = currentState.custom(SnapshotDeletionsInProgress.TYPE);
                if (deletionsInProgress != null && deletionsInProgress.hasDeletionsInProgress()) {
                    throw new ConcurrentSnapshotExecutionException(snapshot, "cannot restore a snapshot while a snapshot deletion is in-progress [" + deletionsInProgress.getEntries().get(0).getSnapshot() + "]");
                }
                // Updating cluster state
                ClusterState.Builder builder = ClusterState.builder(currentState);
                MetaData.Builder mdBuilder = MetaData.builder(currentState.metaData());
                ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks());
                RoutingTable.Builder rtBuilder = RoutingTable.builder(currentState.routingTable());
                ImmutableOpenMap<ShardId, RestoreInProgress.ShardRestoreStatus> shards;
                Set<String> aliases = new HashSet<>();
                if (!renamedIndices.isEmpty()) {
                    // We have some indices to restore
                    ImmutableOpenMap.Builder<ShardId, RestoreInProgress.ShardRestoreStatus> shardsBuilder = ImmutableOpenMap.builder();
                    final Version minIndexCompatibilityVersion = currentState.getNodes().getMaxNodeVersion().minimumIndexCompatibilityVersion();
                    for (Map.Entry<String, String> indexEntry : renamedIndices.entrySet()) {
                        String index = indexEntry.getValue();
                        boolean partial = checkPartial(index);
                        SnapshotRecoverySource recoverySource = new SnapshotRecoverySource(snapshot, snapshotInfo.version(), index);
                        String renamedIndexName = indexEntry.getKey();
                        IndexMetaData snapshotIndexMetaData = metaData.index(index);
                        snapshotIndexMetaData = updateIndexSettings(snapshotIndexMetaData, request.indexSettings, request.ignoreIndexSettings);
                        try {
                            snapshotIndexMetaData = metaDataIndexUpgradeService.upgradeIndexMetaData(snapshotIndexMetaData, minIndexCompatibilityVersion);
                        } catch (Exception ex) {
                            throw new SnapshotRestoreException(snapshot, "cannot restore index [" + index + "] because it cannot be upgraded", ex);
                        }
                        // Check that the index is closed or doesn't exist
                        IndexMetaData currentIndexMetaData = currentState.metaData().index(renamedIndexName);
                        IntSet ignoreShards = new IntHashSet();
                        final Index renamedIndex;
                        if (currentIndexMetaData == null) {
                            // Index doesn't exist - create it and start recovery
                            // Make sure that the index we are about to create has a validate name
                            MetaDataCreateIndexService.validateIndexName(renamedIndexName, currentState);
                            createIndexService.validateIndexSettings(renamedIndexName, snapshotIndexMetaData.getSettings());
                            IndexMetaData.Builder indexMdBuilder = IndexMetaData.builder(snapshotIndexMetaData).state(IndexMetaData.State.OPEN).index(renamedIndexName);
                            indexMdBuilder.settings(Settings.builder().put(snapshotIndexMetaData.getSettings()).put(IndexMetaData.SETTING_INDEX_UUID, UUIDs.randomBase64UUID()));
                            if (!request.includeAliases() && !snapshotIndexMetaData.getAliases().isEmpty()) {
                                // Remove all aliases - they shouldn't be restored
                                indexMdBuilder.removeAllAliases();
                            } else {
                                for (ObjectCursor<String> alias : snapshotIndexMetaData.getAliases().keys()) {
                                    aliases.add(alias.value);
                                }
                            }
                            IndexMetaData updatedIndexMetaData = indexMdBuilder.build();
                            if (partial) {
                                populateIgnoredShards(index, ignoreShards);
                            }
                            rtBuilder.addAsNewRestore(updatedIndexMetaData, recoverySource, ignoreShards);
                            blocks.addBlocks(updatedIndexMetaData);
                            mdBuilder.put(updatedIndexMetaData, true);
                            renamedIndex = updatedIndexMetaData.getIndex();
                        } else {
                            validateExistingIndex(currentIndexMetaData, snapshotIndexMetaData, renamedIndexName, partial);
                            // Index exists and it's closed - open it in metadata and start recovery
                            IndexMetaData.Builder indexMdBuilder = IndexMetaData.builder(snapshotIndexMetaData).state(IndexMetaData.State.OPEN);
                            indexMdBuilder.version(Math.max(snapshotIndexMetaData.getVersion(), currentIndexMetaData.getVersion() + 1));
                            if (!request.includeAliases()) {
                                // Remove all snapshot aliases
                                if (!snapshotIndexMetaData.getAliases().isEmpty()) {
                                    indexMdBuilder.removeAllAliases();
                                }
                                /// Add existing aliases
                                for (ObjectCursor<AliasMetaData> alias : currentIndexMetaData.getAliases().values()) {
                                    indexMdBuilder.putAlias(alias.value);
                                }
                            } else {
                                for (ObjectCursor<String> alias : snapshotIndexMetaData.getAliases().keys()) {
                                    aliases.add(alias.value);
                                }
                            }
                            indexMdBuilder.settings(Settings.builder().put(snapshotIndexMetaData.getSettings()).put(IndexMetaData.SETTING_INDEX_UUID, currentIndexMetaData.getIndexUUID()));
                            IndexMetaData updatedIndexMetaData = indexMdBuilder.index(renamedIndexName).build();
                            rtBuilder.addAsRestore(updatedIndexMetaData, recoverySource);
                            blocks.updateBlocks(updatedIndexMetaData);
                            mdBuilder.put(updatedIndexMetaData, true);
                            renamedIndex = updatedIndexMetaData.getIndex();
                        }
                        for (int shard = 0; shard < snapshotIndexMetaData.getNumberOfShards(); shard++) {
                            if (!ignoreShards.contains(shard)) {
                                shardsBuilder.put(new ShardId(renamedIndex, shard), new RestoreInProgress.ShardRestoreStatus(clusterService.state().nodes().getLocalNodeId()));
                            } else {
                                shardsBuilder.put(new ShardId(renamedIndex, shard), new RestoreInProgress.ShardRestoreStatus(clusterService.state().nodes().getLocalNodeId(), RestoreInProgress.State.FAILURE));
                            }
                        }
                    }
                    shards = shardsBuilder.build();
                    RestoreInProgress.Entry restoreEntry = new RestoreInProgress.Entry(snapshot, overallState(RestoreInProgress.State.INIT, shards), Collections.unmodifiableList(new ArrayList<>(renamedIndices.keySet())), shards);
                    builder.putCustom(RestoreInProgress.TYPE, new RestoreInProgress(restoreEntry));
                } else {
                    shards = ImmutableOpenMap.of();
                }
                checkAliasNameConflicts(renamedIndices, aliases);
                // Restore global state if needed
                restoreGlobalStateIfRequested(mdBuilder);
                if (completed(shards)) {
                    // We don't have any indices to restore - we are done
                    restoreInfo = new RestoreInfo(snapshotId.getName(), Collections.unmodifiableList(new ArrayList<>(renamedIndices.keySet())), shards.size(), shards.size() - failedShards(shards));
                }
                RoutingTable rt = rtBuilder.build();
                ClusterState updatedState = builder.metaData(mdBuilder).blocks(blocks).routingTable(rt).build();
                return allocationService.reroute(updatedState, "restored snapshot [" + snapshot + "]");
            }

            private void checkAliasNameConflicts(Map<String, String> renamedIndices, Set<String> aliases) {
                for (Map.Entry<String, String> renamedIndex : renamedIndices.entrySet()) {
                    if (aliases.contains(renamedIndex.getKey())) {
                        throw new SnapshotRestoreException(snapshot, "cannot rename index [" + renamedIndex.getValue() + "] into [" + renamedIndex.getKey() + "] because of conflict with an alias with the same name");
                    }
                }
            }

            private void populateIgnoredShards(String index, IntSet ignoreShards) {
                for (SnapshotShardFailure failure : snapshotInfo.shardFailures()) {
                    if (index.equals(failure.index())) {
                        ignoreShards.add(failure.shardId());
                    }
                }
            }

            private boolean checkPartial(String index) {
                // Make sure that index was fully snapshotted
                if (failed(snapshotInfo, index)) {
                    if (request.partial()) {
                        return true;
                    } else {
                        throw new SnapshotRestoreException(snapshot, "index [" + index + "] wasn't fully snapshotted - cannot restore");
                    }
                } else {
                    return false;
                }
            }

            private void validateExistingIndex(IndexMetaData currentIndexMetaData, IndexMetaData snapshotIndexMetaData, String renamedIndex, boolean partial) {
                // Index exist - checking that it's closed
                if (currentIndexMetaData.getState() != IndexMetaData.State.CLOSE) {
                    // TODO: Enable restore for open indices
                    throw new SnapshotRestoreException(snapshot, "cannot restore index [" + renamedIndex + "] because it's open");
                }
                // Index exist - checking if it's partial restore
                if (partial) {
                    throw new SnapshotRestoreException(snapshot, "cannot restore partial index [" + renamedIndex + "] because such index already exists");
                }
                // Make sure that the number of shards is the same. That's the only thing that we cannot change
                if (currentIndexMetaData.getNumberOfShards() != snapshotIndexMetaData.getNumberOfShards()) {
                    throw new SnapshotRestoreException(snapshot, "cannot restore index [" + renamedIndex + "] with [" + currentIndexMetaData.getNumberOfShards() + "] shard from snapshot with [" + snapshotIndexMetaData.getNumberOfShards() + "] shards");
                }
            }

            /**
                 * Optionally updates index settings in indexMetaData by removing settings listed in ignoreSettings and
                 * merging them with settings in changeSettings.
                 */
            private IndexMetaData updateIndexSettings(IndexMetaData indexMetaData, Settings changeSettings, String[] ignoreSettings) {
                if (changeSettings.names().isEmpty() && ignoreSettings.length == 0) {
                    return indexMetaData;
                }
                Settings normalizedChangeSettings = Settings.builder().put(changeSettings).normalizePrefix(IndexMetaData.INDEX_SETTING_PREFIX).build();
                IndexMetaData.Builder builder = IndexMetaData.builder(indexMetaData);
                Map<String, String> settingsMap = new HashMap<>(indexMetaData.getSettings().getAsMap());
                List<String> simpleMatchPatterns = new ArrayList<>();
                for (String ignoredSetting : ignoreSettings) {
                    if (!Regex.isSimpleMatchPattern(ignoredSetting)) {
                        if (UNREMOVABLE_SETTINGS.contains(ignoredSetting)) {
                            throw new SnapshotRestoreException(snapshot, "cannot remove setting [" + ignoredSetting + "] on restore");
                        } else {
                            settingsMap.remove(ignoredSetting);
                        }
                    } else {
                        simpleMatchPatterns.add(ignoredSetting);
                    }
                }
                if (!simpleMatchPatterns.isEmpty()) {
                    String[] removePatterns = simpleMatchPatterns.toArray(new String[simpleMatchPatterns.size()]);
                    Iterator<Map.Entry<String, String>> iterator = settingsMap.entrySet().iterator();
                    while (iterator.hasNext()) {
                        Map.Entry<String, String> entry = iterator.next();
                        if (UNREMOVABLE_SETTINGS.contains(entry.getKey()) == false) {
                            if (Regex.simpleMatch(removePatterns, entry.getKey())) {
                                iterator.remove();
                            }
                        }
                    }
                }
                for (Map.Entry<String, String> entry : normalizedChangeSettings.getAsMap().entrySet()) {
                    if (UNMODIFIABLE_SETTINGS.contains(entry.getKey())) {
                        throw new SnapshotRestoreException(snapshot, "cannot modify setting [" + entry.getKey() + "] on restore");
                    } else {
                        settingsMap.put(entry.getKey(), entry.getValue());
                    }
                }
                return builder.settings(Settings.builder().put(settingsMap)).build();
            }

            private void restoreGlobalStateIfRequested(MetaData.Builder mdBuilder) {
                if (request.includeGlobalState()) {
                    if (metaData.persistentSettings() != null) {
                        Settings settings = metaData.persistentSettings();
                        clusterSettings.validateUpdate(settings);
                        mdBuilder.persistentSettings(settings);
                    }
                    if (metaData.templates() != null) {
                        // TODO: Should all existing templates be deleted first?
                        for (ObjectCursor<IndexTemplateMetaData> cursor : metaData.templates().values()) {
                            mdBuilder.put(cursor.value);
                        }
                    }
                    if (metaData.customs() != null) {
                        for (ObjectObjectCursor<String, MetaData.Custom> cursor : metaData.customs()) {
                            if (!RepositoriesMetaData.TYPE.equals(cursor.key)) {
                                // Don't restore repositories while we are working with them
                                // TODO: Should we restore them at the end?
                                mdBuilder.putCustom(cursor.key, cursor.value);
                            }
                        }
                    }
                }
            }

            @Override
            public void onFailure(String source, Exception e) {
                logger.warn((Supplier<?>) () -> new ParameterizedMessage("[{}] failed to restore snapshot", snapshotId), e);
                listener.onFailure(e);
            }

            @Override
            public TimeValue timeout() {
                return request.masterNodeTimeout();
            }

            @Override
            public void clusterStateProcessed(String source, ClusterState oldState, ClusterState newState) {
                listener.onResponse(new RestoreCompletionResponse(snapshot, restoreInfo));
            }
        });
    } catch (Exception e) {
        logger.warn((Supplier<?>) () -> new ParameterizedMessage("[{}] failed to restore snapshot", request.repositoryName + ":" + request.snapshotName), e);
        listener.onFailure(e);
    }
}
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ShardRestoreStatus(org.elasticsearch.cluster.RestoreInProgress.ShardRestoreStatus) ParameterizedMessage(org.apache.logging.log4j.message.ParameterizedMessage)

Aggregations

MetaData (org.elasticsearch.cluster.metadata.MetaData)244 IndexMetaData (org.elasticsearch.cluster.metadata.IndexMetaData)223 ClusterState (org.elasticsearch.cluster.ClusterState)179 RoutingTable (org.elasticsearch.cluster.routing.RoutingTable)138 RoutingNodes (org.elasticsearch.cluster.routing.RoutingNodes)52 ShardRouting (org.elasticsearch.cluster.routing.ShardRouting)48 Settings (org.elasticsearch.common.settings.Settings)43 AllocationService (org.elasticsearch.cluster.routing.allocation.AllocationService)32 IndexShardRoutingTable (org.elasticsearch.cluster.routing.IndexShardRoutingTable)30 DiscoveryNodes (org.elasticsearch.cluster.node.DiscoveryNodes)27 DiscoveryNode (org.elasticsearch.cluster.node.DiscoveryNode)26 ClusterSettings (org.elasticsearch.common.settings.ClusterSettings)26 Index (org.elasticsearch.index.Index)25 Matchers.containsString (org.hamcrest.Matchers.containsString)23 IndexRoutingTable (org.elasticsearch.cluster.routing.IndexRoutingTable)21 HashMap (java.util.HashMap)19 HashSet (java.util.HashSet)18 ShardId (org.elasticsearch.index.shard.ShardId)17 TestGatewayAllocator (org.elasticsearch.test.gateway.TestGatewayAllocator)17 ArrayList (java.util.ArrayList)15