Examples with RebalancerState voldemort.server.rebalance.RebalancerState used on opensource projects

Example 6 with RebalancerState

use of voldemort.server.rebalance.RebalancerState in project voldemort by voldemort.

the class VoldemortAdminTool method main.

@SuppressWarnings("unchecked")
public static void main(String[] args) throws Exception {
    OptionParser parser = new OptionParser();
    // This is a generic argument that should be eventually supported by all
    // RW operations.
    // If you omit this argument the operation will be executed in a "batch"
    // mode which is useful for scripting
    // Otherwise you will be presented with a summary of changes and with a
    // Y/N prompt
    parser.accepts("auto", "[OPTIONAL] enable auto/batch mode");
    parser.accepts("help", "print help information");
    parser.accepts("url", "[REQUIRED] bootstrap URL").withRequiredArg().describedAs("bootstrap-url").ofType(String.class);
    parser.accepts("node", "node id").withRequiredArg().describedAs("node-id").ofType(Integer.class);
    parser.accepts("delete-partitions", "Delete partitions").withRequiredArg().describedAs("partition-ids").withValuesSeparatedBy(',').ofType(Integer.class);
    parser.accepts("restore", "Restore from replication [ Optional parallelism param - Default - 5 ]").withOptionalArg().describedAs("parallelism").ofType(Integer.class);
    parser.accepts("ascii", "Fetch keys as ASCII");
    parser.accepts("fetch-keys", "Fetch keys").withOptionalArg().describedAs("partition-ids").withValuesSeparatedBy(',').ofType(Integer.class);
    parser.accepts("fetch-entries", "Fetch full entries").withOptionalArg().describedAs("partition-ids").withValuesSeparatedBy(',').ofType(Integer.class);
    parser.accepts("outdir", "Output directory").withRequiredArg().describedAs("output-directory").ofType(String.class);
    parser.accepts("nodes", "list of nodes").withRequiredArg().describedAs("nodes").withValuesSeparatedBy(',').ofType(Integer.class);
    parser.accepts("stores", "Store names").withRequiredArg().describedAs("store-names").withValuesSeparatedBy(',').ofType(String.class);
    parser.accepts("store", "Store name for querying keys").withRequiredArg().describedAs("store-name").ofType(String.class);
    parser.accepts("add-stores", "Add stores in this stores.xml").withRequiredArg().describedAs("stores.xml containing just the new stores").ofType(String.class);
    parser.accepts("delete-store", "Delete store").withRequiredArg().describedAs("store-name").ofType(String.class);
    parser.accepts("update-entries", "Insert or update entries").withRequiredArg().describedAs("input-directory").ofType(String.class);
    parser.accepts("get-metadata", "retreive metadata information " + MetadataStore.METADATA_KEYS).withOptionalArg().describedAs("metadata-key").ofType(String.class);
    parser.accepts("check-metadata", "retreive metadata information from all nodes and checks if they are consistent across [ " + MetadataStore.CLUSTER_KEY + " | " + MetadataStore.STORES_KEY + " | " + MetadataStore.REBALANCING_SOURCE_CLUSTER_XML + " | " + MetadataStore.SERVER_STATE_KEY + " ]").withRequiredArg().describedAs("metadata-key").ofType(String.class);
    parser.accepts("ro-metadata", "retrieve version information [current | max | storage-format]").withRequiredArg().describedAs("type").ofType(String.class);
    parser.accepts("truncate", "truncate a store").withRequiredArg().describedAs("store-name").ofType(String.class);
    parser.accepts("set-metadata", "Forceful setting of metadata [ " + MetadataStore.CLUSTER_KEY + " | " + MetadataStore.STORES_KEY + " | " + MetadataStore.SERVER_STATE_KEY + " | " + MetadataStore.REBALANCING_SOURCE_CLUSTER_XML + " | " + MetadataStore.REBALANCING_STEAL_INFO + " ]").withRequiredArg().describedAs("metadata-key").ofType(String.class);
    parser.accepts("set-metadata-value", "The value for the set-metadata [ " + MetadataStore.CLUSTER_KEY + " | " + MetadataStore.STORES_KEY + ", " + MetadataStore.REBALANCING_SOURCE_CLUSTER_XML + ", " + MetadataStore.REBALANCING_STEAL_INFO + " ] - xml file location, [ " + MetadataStore.SERVER_STATE_KEY + " ] - " + MetadataStore.VoldemortState.NORMAL_SERVER + "," + MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER + "," + MetadataStore.VoldemortState.OFFLINE_SERVER).withRequiredArg().describedAs("metadata-value").ofType(String.class);
    parser.accepts("update-store-defs", "Update the [" + MetadataStore.STORES_KEY + "] with the new value for only the specified stores in update-value.");
    parser.accepts("update-store-value", "The value for update-store-defs ] - xml file location").withRequiredArg().describedAs("stores-xml-value").ofType(String.class);
    parser.accepts("set-metadata-pair", "Atomic setting of metadata pair [ " + MetadataStore.CLUSTER_KEY + " & " + MetadataStore.STORES_KEY + " ]").withRequiredArg().describedAs("metadata-keys-pair").withValuesSeparatedBy(',').ofType(String.class);
    parser.accepts("set-metadata-value-pair", "The value for the set-metadata pair [ " + MetadataStore.CLUSTER_KEY + " & " + MetadataStore.STORES_KEY + " ]").withRequiredArg().describedAs("metadata-value-pair").withValuesSeparatedBy(',').ofType(String.class);
    parser.accepts("clear-rebalancing-metadata", "Remove the metadata related to rebalancing");
    parser.accepts("async", "a) Get a list of async job ids [get] b) Stop async job ids [stop] ").withRequiredArg().describedAs("op-type").ofType(String.class);
    parser.accepts("async-id", "Comma separated list of async ids to stop").withOptionalArg().describedAs("job-ids").withValuesSeparatedBy(',').ofType(Integer.class);
    parser.accepts("repair-job", "Clean after rebalancing is done");
    parser.accepts("prune-job", "Prune versioned put data, after rebalancing");
    parser.accepts("purge-slops", "Purge the slop stores selectively, based on nodeId or zoneId");
    parser.accepts("native-backup", "Perform a native backup").withRequiredArg().describedAs("store-name").ofType(String.class);
    parser.accepts("backup-dir").withRequiredArg().describedAs("backup-directory").ofType(String.class);
    parser.accepts("backup-timeout").withRequiredArg().describedAs("minutes to wait for backup completion, default 30 mins").ofType(Integer.class);
    parser.accepts("backup-verify", "If provided, backup will also verify checksum (with extra overhead)");
    parser.accepts("backup-incremental", "Perform an incremental backup for point-in-time recovery." + " By default backup has latest consistent snapshot.");
    parser.accepts("zone", "zone id").withRequiredArg().describedAs("zone-id").ofType(Integer.class);
    parser.accepts("rollback", "rollback a store").withRequiredArg().describedAs("store-name").ofType(String.class);
    parser.accepts("version", "Push version of store to rollback to").withRequiredArg().describedAs("version").ofType(Long.class);
    parser.accepts("verify-metadata-version", "Verify the version of Metadata on all the cluster nodes");
    parser.accepts("synchronize-metadata-version", "Synchronize the metadata versions across all the nodes.");
    parser.accepts("reserve-memory", "Memory in MB to reserve for the store").withRequiredArg().describedAs("size-in-mb").ofType(Long.class);
    parser.accepts("query-key", "Get values of a key on specific node").withRequiredArg().describedAs("query-key").ofType(String.class);
    parser.accepts("query-key-format", "Format of the query key. Can be one of [hex|readable]").withRequiredArg().describedAs("key-format").ofType(String.class);
    parser.accepts("show-routing-plan", "Routing plan of the specified keys").withRequiredArg().describedAs("keys-to-be-routed").withValuesSeparatedBy(',').ofType(String.class);
    parser.accepts("mirror-from-url", "Cluster url to mirror data from").withRequiredArg().describedAs("mirror-cluster-bootstrap-url").ofType(String.class);
    parser.accepts("mirror-node", "Node id in the mirror cluster to mirror from").withRequiredArg().describedAs("id-of-mirror-node").ofType(Integer.class);
    parser.accepts("fetch-orphaned", "Fetch any orphaned keys/entries in the node");
    parser.accepts("set-quota", "Enforce some quota on the servers").withRequiredArg().describedAs("quota-type").ofType(String.class);
    parser.accepts("quota-value", "Value of the quota enforced on the servers").withRequiredArg().describedAs("quota-value").ofType(String.class);
    parser.accepts("unset-quota", "Remove some quota already enforced on the servers").withRequiredArg().describedAs("quota-type").ofType(String.class);
    // TODO add a way to retrieve all quotas for a given store.
    parser.accepts("get-quota", "Retrieve some quota already enforced on the servers").withRequiredArg().describedAs("quota-type").ofType(String.class);
    OptionSet options = parser.parse(args);
    if (options.has("help")) {
        printHelp(System.out, parser);
        System.exit(0);
    }
    Set<String> missing = CmdUtils.missing(options, "url", "node");
    if (missing.size() > 0) {
        // options; all these can live without explicit node ids
        if (!(missing.equals(ImmutableSet.of("node")) && (options.has("add-stores") || options.has("delete-store") || options.has("ro-metadata") || options.has("set-metadata") || options.has("update-store-defs") || options.has("set-metadata-pair") || options.has("get-metadata") || options.has("check-metadata")) || options.has("truncate") || options.has("clear-rebalancing-metadata") || options.has("async") || options.has("native-backup") || options.has("rollback") || options.has("verify-metadata-version") || options.has("reserve-memory") || options.has("purge-slops") || options.has("show-routing-plan") || options.has("query-key") || options.has("set-quota") || options.has("unset-quota") || options.has("get-quota") || options.has("synchronize-metadata-version"))) {
            System.err.println("Missing required arguments: " + Joiner.on(", ").join(missing));
            printHelp(System.err, parser);
            System.exit(1);
        }
    }
    try {
        String url = (String) options.valueOf("url");
        Integer nodeId = CmdUtils.valueOf(options, "node", -1);
        int parallelism = CmdUtils.valueOf(options, "restore", 5);
        Integer zoneId = CmdUtils.valueOf(options, "zone", -1);
        AdminClient adminClient = new AdminClient(url);
        List<String> storeNames = null;
        if (options.has("store") && options.has("stores")) {
            throw new VoldemortException("Must not specify both --stores and --store options");
        } else if (options.has("stores")) {
            storeNames = (List<String>) options.valuesOf("stores");
        } else if (options.has("store")) {
            storeNames = Arrays.asList((String) options.valueOf("store"));
        }
        String outputDir = null;
        if (options.has("outdir")) {
            outputDir = (String) options.valueOf("outdir");
        }
        if (options.has("add-stores")) {
            String storesXml = (String) options.valueOf("add-stores");
            executeAddStores(adminClient, storesXml, nodeId);
        } else if (options.has("async")) {
            String asyncKey = (String) options.valueOf("async");
            List<Integer> asyncIds = null;
            if (options.hasArgument("async-id"))
                asyncIds = (List<Integer>) options.valuesOf("async-id");
            executeAsync(nodeId, adminClient, asyncKey, asyncIds);
        } else if (options.has("check-metadata")) {
            String metadataKey = (String) options.valueOf("check-metadata");
            executeCheckMetadata(adminClient, metadataKey);
        } else if (options.has("delete-partitions")) {
            System.out.println("Starting delete-partitions");
            List<Integer> partitionIdList = (List<Integer>) options.valuesOf("delete-partitions");
            executeDeletePartitions(nodeId, adminClient, partitionIdList, storeNames);
            System.out.println("Finished delete-partitions");
        } else if (options.has("ro-metadata")) {
            String type = (String) options.valueOf("ro-metadata");
            executeROMetadata(nodeId, adminClient, storeNames, type);
        } else if (options.has("reserve-memory")) {
            if (!options.has("stores")) {
                Utils.croak("Specify the list of stores to reserve memory");
            }
            long reserveMB = (Long) options.valueOf("reserve-memory");
            adminClient.quotaMgmtOps.reserveMemory(nodeId, storeNames, reserveMB);
        } else if (options.has("get-metadata")) {
            String metadataKey = ALL_METADATA;
            if (options.hasArgument("get-metadata")) {
                metadataKey = (String) options.valueOf("get-metadata");
            }
            executeGetMetadata(nodeId, adminClient, metadataKey, outputDir);
        } else if (options.has("mirror-from-url")) {
            if (!options.has("mirror-node")) {
                Utils.croak("Specify the mirror node to fetch from");
            }
            if (nodeId == -1) {
                System.err.println("Cannot run mirroring without node id");
                System.exit(1);
            }
            Integer mirrorNodeId = CmdUtils.valueOf(options, "mirror-node", -1);
            if (mirrorNodeId == -1) {
                System.err.println("Cannot run mirroring without mirror node id");
                System.exit(1);
            }
            adminClient.restoreOps.mirrorData(nodeId, mirrorNodeId, (String) options.valueOf("mirror-from-url"), storeNames);
        } else if (options.has("clear-rebalancing-metadata")) {
            executeClearRebalancing(nodeId, adminClient);
        } else if (options.has("prune-job")) {
            if (storeNames == null) {
                Utils.croak("Must specify --stores to run the prune job");
            }
            executePruneJob(nodeId, adminClient, storeNames);
        } else if (options.has("fetch-keys")) {
            boolean useAscii = options.has("ascii");
            System.out.println("Starting fetch keys");
            List<Integer> partitionIdList = null;
            if (options.hasArgument("fetch-keys"))
                partitionIdList = (List<Integer>) options.valuesOf("fetch-keys");
            executeFetchKeys(nodeId, adminClient, partitionIdList, outputDir, storeNames, useAscii, options.has("fetch-orphaned"));
        } else if (options.has("repair-job")) {
            executeRepairJob(nodeId, adminClient);
        } else if (options.has("set-metadata-pair")) {
            List<String> metadataKeyPair = (List<String>) options.valuesOf("set-metadata-pair");
            if (metadataKeyPair.size() != 2) {
                throw new VoldemortException("Missing set-metadata-pair keys (only two keys are needed and allowed)");
            }
            if (!options.has("set-metadata-value-pair")) {
                throw new VoldemortException("Missing set-metadata-value-pair");
            } else {
                List<String> metadataValuePair = (List<String>) options.valuesOf("set-metadata-value-pair");
                if (metadataValuePair.size() != 2) {
                    throw new VoldemortException("Missing set-metadata--value-pair values (only two values are needed and allowed)");
                }
                if (metadataKeyPair.contains(MetadataStore.CLUSTER_KEY) && metadataKeyPair.contains(MetadataStore.STORES_KEY)) {
                    ClusterMapper clusterMapper = new ClusterMapper();
                    StoreDefinitionsMapper storeDefsMapper = new StoreDefinitionsMapper();
                    // original metadata
                    Integer nodeIdToGetStoreXMLFrom = nodeId;
                    if (nodeId < 0) {
                        Collection<Node> nodes = adminClient.getAdminClientCluster().getNodes();
                        if (nodes.isEmpty()) {
                            throw new VoldemortException("No nodes in this cluster");
                        } else {
                            nodeIdToGetStoreXMLFrom = nodes.iterator().next().getId();
                        }
                    }
                    Versioned<String> storesXML = adminClient.metadataMgmtOps.getRemoteMetadata(nodeIdToGetStoreXMLFrom, MetadataStore.STORES_KEY);
                    List<StoreDefinition> oldStoreDefs = storeDefsMapper.readStoreList(new StringReader(storesXML.getValue()));
                    String clusterXMLPath = metadataValuePair.get(metadataKeyPair.indexOf(MetadataStore.CLUSTER_KEY));
                    clusterXMLPath = clusterXMLPath.replace("~", System.getProperty("user.home"));
                    if (!Utils.isReadableFile(clusterXMLPath))
                        throw new VoldemortException("Cluster xml file path incorrect");
                    Cluster cluster = clusterMapper.readCluster(new File(clusterXMLPath));
                    String storesXMLPath = metadataValuePair.get(metadataKeyPair.indexOf(MetadataStore.STORES_KEY));
                    storesXMLPath = storesXMLPath.replace("~", System.getProperty("user.home"));
                    if (!Utils.isReadableFile(storesXMLPath))
                        throw new VoldemortException("Stores definition xml file path incorrect");
                    List<StoreDefinition> newStoreDefs = storeDefsMapper.readStoreList(new File(storesXMLPath));
                    StoreDefinitionUtils.validateSchemasAsNeeded(newStoreDefs);
                    executeSetMetadataPair(nodeId, adminClient, MetadataStore.CLUSTER_KEY, clusterMapper.writeCluster(cluster), MetadataStore.STORES_KEY, storeDefsMapper.writeStoreList(newStoreDefs));
                    executeUpdateMetadataVersionsOnStores(adminClient, oldStoreDefs, newStoreDefs);
                } else {
                    throw new VoldemortException("set-metadata-pair keys should be <cluster.xml, stores.xml>");
                }
            }
        } else if (options.has("set-metadata")) {
            String metadataKey = (String) options.valueOf("set-metadata");
            if (!options.has("set-metadata-value")) {
                throw new VoldemortException("Missing set-metadata-value");
            } else {
                String metadataValue = (String) options.valueOf("set-metadata-value");
                if (metadataKey.compareTo(MetadataStore.CLUSTER_KEY) == 0 || metadataKey.compareTo(MetadataStore.REBALANCING_SOURCE_CLUSTER_XML) == 0) {
                    if (!Utils.isReadableFile(metadataValue))
                        throw new VoldemortException("Cluster xml file path incorrect");
                    ClusterMapper mapper = new ClusterMapper();
                    Cluster newCluster = mapper.readCluster(new File(metadataValue));
                    if (options.has("auto")) {
                        executeSetMetadata(nodeId, adminClient, metadataKey, mapper.writeCluster(newCluster));
                    } else {
                        if (confirmMetadataUpdate(nodeId, adminClient, mapper.writeCluster(newCluster))) {
                            executeSetMetadata(nodeId, adminClient, metadataKey, mapper.writeCluster(newCluster));
                        } else {
                            System.out.println("New metadata has not been set");
                        }
                    }
                } else if (metadataKey.compareTo(MetadataStore.SERVER_STATE_KEY) == 0) {
                    VoldemortState newState = VoldemortState.valueOf(metadataValue);
                    executeSetMetadata(nodeId, adminClient, MetadataStore.SERVER_STATE_KEY, newState.toString());
                } else if (metadataKey.compareTo(MetadataStore.STORES_KEY) == 0) {
                    if (!Utils.isReadableFile(metadataValue))
                        throw new VoldemortException("Stores definition xml file path incorrect");
                    StoreDefinitionsMapper mapper = new StoreDefinitionsMapper();
                    List<StoreDefinition> newStoreDefs = mapper.readStoreList(new File(metadataValue));
                    StoreDefinitionUtils.validateSchemasAsNeeded(newStoreDefs);
                    // original metadata
                    Integer nodeIdToGetStoreXMLFrom = nodeId;
                    if (nodeId < 0) {
                        Collection<Node> nodes = adminClient.getAdminClientCluster().getNodes();
                        if (nodes.isEmpty()) {
                            throw new VoldemortException("No nodes in this cluster");
                        } else {
                            nodeIdToGetStoreXMLFrom = nodes.iterator().next().getId();
                        }
                    }
                    Versioned<String> storesXML = adminClient.metadataMgmtOps.getRemoteMetadata(nodeIdToGetStoreXMLFrom, MetadataStore.STORES_KEY);
                    List<StoreDefinition> oldStoreDefs = mapper.readStoreList(new StringReader(storesXML.getValue()));
                    if (options.has("auto")) {
                        executeSetMetadata(nodeId, adminClient, MetadataStore.STORES_KEY, mapper.writeStoreList(newStoreDefs));
                        executeUpdateMetadataVersionsOnStores(adminClient, oldStoreDefs, newStoreDefs);
                    } else {
                        if (confirmMetadataUpdate(nodeId, adminClient, storesXML.getValue())) {
                            executeSetMetadata(nodeId, adminClient, MetadataStore.STORES_KEY, mapper.writeStoreList(newStoreDefs));
                            if (nodeId >= 0) {
                                System.err.println("WARNING: Metadata version update of stores goes to all servers, " + "although this set-metadata oprations only goes to node " + nodeId);
                            }
                            executeUpdateMetadataVersionsOnStores(adminClient, oldStoreDefs, newStoreDefs);
                        } else {
                            System.out.println("New metadata has not been set");
                        }
                    }
                } else if (metadataKey.compareTo(MetadataStore.REBALANCING_STEAL_INFO) == 0) {
                    if (!Utils.isReadableFile(metadataValue))
                        throw new VoldemortException("Rebalancing steal info file path incorrect");
                    String rebalancingStealInfoJsonString = FileUtils.readFileToString(new File(metadataValue));
                    RebalancerState state = RebalancerState.create(rebalancingStealInfoJsonString);
                    executeSetMetadata(nodeId, adminClient, MetadataStore.REBALANCING_STEAL_INFO, state.toJsonString());
                } else {
                    throw new VoldemortException("Incorrect metadata key");
                }
            }
        } else if (options.has("update-store-defs")) {
            if (!options.has("update-store-value")) {
                throw new VoldemortException("Missing update-store-value for update-store-defs");
            } else {
                String storesXmlValue = (String) options.valueOf("update-store-value");
                if (!Utils.isReadableFile(storesXmlValue))
                    throw new VoldemortException("Stores definition xml file path incorrect");
                StoreDefinitionsMapper mapper = new StoreDefinitionsMapper();
                List<StoreDefinition> newStoreDefs = mapper.readStoreList(new File(storesXmlValue));
                StoreDefinitionUtils.validateSchemasAsNeeded(newStoreDefs);
                if (options.has("auto")) {
                    executeUpdateStoreDefinitions(nodeId, adminClient, newStoreDefs);
                } else {
                    if (confirmMetadataUpdate(nodeId, adminClient, newStoreDefs)) {
                        executeUpdateStoreDefinitions(nodeId, adminClient, newStoreDefs);
                        if (nodeId >= 0) {
                            System.err.println("WARNING: Metadata version update of stores goes to all servers, " + "although this set-metadata oprations only goes to node " + nodeId);
                        }
                    } else {
                        System.out.println("New metadata has not been set");
                    }
                }
                System.out.println("The store definitions have been successfully updated.");
            }
        } else if (options.has("native-backup")) {
            if (!options.has("backup-dir")) {
                Utils.croak("A backup directory must be specified with backup-dir option");
            }
            String backupDir = (String) options.valueOf("backup-dir");
            String storeName = (String) options.valueOf("native-backup");
            int timeout = CmdUtils.valueOf(options, "backup-timeout", 30);
            adminClient.storeMntOps.nativeBackup(nodeId, storeName, backupDir, timeout, options.has("backup-verify"), options.has("backup-incremental"));
        } else if (options.has("rollback")) {
            if (!options.has("version")) {
                Utils.croak("A read-only push version must be specified with rollback option");
            }
            String storeName = (String) options.valueOf("rollback");
            long pushVersion = (Long) options.valueOf("version");
            executeRollback(nodeId, storeName, pushVersion, adminClient);
        } else if (options.has("query-key")) {
            String key = (String) options.valueOf("query-key");
            String keyFormat = (String) options.valueOf("query-key-format");
            if (keyFormat == null) {
                keyFormat = "hex";
            }
            if (!keyFormat.equals("hex") && !keyFormat.equals("readable")) {
                throw new VoldemortException("--query-key-format must be hex or readable");
            }
            executeQueryKey(nodeId, adminClient, storeNames, key, keyFormat);
        } else if (options.has("restore")) {
            if (nodeId == -1) {
                System.err.println("Cannot run restore without node id");
                System.exit(1);
            }
            System.out.println("Starting restore");
            adminClient.restoreOps.restoreDataFromReplications(nodeId, parallelism, zoneId);
            System.out.println("Finished restore");
        } else if (options.has("delete-store")) {
            String storeName = (String) options.valueOf("delete-store");
            executeDeleteStore(adminClient, storeName, nodeId);
        } else if (options.has("truncate")) {
            String storeName = (String) options.valueOf("truncate");
            executeTruncateStore(nodeId, adminClient, storeName);
        } else if (options.has("update-entries")) {
            String inputDir = (String) options.valueOf("update-entries");
            executeUpdateEntries(nodeId, adminClient, storeNames, inputDir);
        } else if (options.has("fetch-entries")) {
            boolean useAscii = options.has("ascii");
            System.out.println("Starting fetch entries");
            List<Integer> partitionIdList = null;
            if (options.hasArgument("fetch-entries"))
                partitionIdList = (List<Integer>) options.valuesOf("fetch-entries");
            executeFetchEntries(nodeId, adminClient, partitionIdList, outputDir, storeNames, useAscii, options.has("fetch-orphaned"));
        } else if (options.has("purge-slops")) {
            List<Integer> nodesToPurge = null;
            if (options.has("nodes")) {
                nodesToPurge = (List<Integer>) options.valuesOf("nodes");
            }
            if (nodesToPurge == null && zoneId == -1 && storeNames == null) {
                Utils.croak("Must specify atleast one of --nodes, --zone-id or --stores with --purge-slops");
            }
            executePurgeSlops(adminClient, nodesToPurge, zoneId, storeNames);
        } else if (options.has("synchronize-metadata-version")) {
            synchronizeMetadataVersion(adminClient);
        } else if (options.has("verify-metadata-version")) {
            checkMetadataVersion(adminClient);
        } else if (options.has("show-routing-plan")) {
            if (!options.has("store")) {
                Utils.croak("Must specify the store the keys belong to using --store ");
            }
            String storeName = (String) options.valueOf("store");
            List<String> keysToRoute = (List<String>) options.valuesOf("show-routing-plan");
            if (keysToRoute == null || keysToRoute.size() == 0) {
                Utils.croak("Must specify comma separated keys list in hex format");
            }
            executeShowRoutingPlan(adminClient, storeName, keysToRoute);
        } else if (options.has("set-quota")) {
            String quotaType = (String) options.valueOf("set-quota");
            Set<String> validQuotaTypes = QuotaUtils.validQuotaTypes();
            if (!validQuotaTypes.contains(quotaType)) {
                Utils.croak("Specify a valid quota type from :" + validQuotaTypes);
            }
            if (!options.has("store")) {
                Utils.croak("Must specify the store to enforce the quota on. ");
            }
            if (!options.has("quota-value")) {
                Utils.croak("Must specify the value of the quota being set");
            }
            String storeName = (String) options.valueOf("store");
            String quotaValue = (String) options.valueOf("quota-value");
            executeSetQuota(adminClient, storeName, quotaType, quotaValue);
        } else if (options.has("unset-quota")) {
            String quotaType = (String) options.valueOf("unset-quota");
            Set<String> validQuotaTypes = QuotaUtils.validQuotaTypes();
            if (!validQuotaTypes.contains(quotaType)) {
                Utils.croak("Specify a valid quota type from :" + validQuotaTypes);
            }
            if (!options.has("store")) {
                Utils.croak("Must specify the store to enforce the quota on. ");
            }
            String storeName = (String) options.valueOf("store");
            executeUnsetQuota(adminClient, storeName, quotaType);
        } else if (options.has("get-quota")) {
            String quotaType = (String) options.valueOf("get-quota");
            Set<String> validQuotaTypes = QuotaUtils.validQuotaTypes();
            if (!validQuotaTypes.contains(quotaType)) {
                Utils.croak("Specify a valid quota type from :" + validQuotaTypes);
            }
            if (!options.has("store")) {
                Utils.croak("Must specify the store to enforce the quota on. ");
            }
            String storeName = (String) options.valueOf("store");
            executeGetQuota(adminClient, storeName, quotaType);
        } else {
            Utils.croak("At least one of (delete-partitions, restore, add-node, fetch-entries, " + "fetch-keys, add-stores, delete-store, update-entries, get-metadata, ro-metadata, " + "set-metadata, check-metadata, clear-rebalancing-metadata, async, " + "repair-job, native-backup, rollback, reserve-memory, mirror-url," + " verify-metadata-version, prune-job, purge-slops) must be specified");
        }
    } catch (Exception e) {
        e.printStackTrace();
        Utils.croak(e.getMessage());
    }
}

Example 7 with RebalancerState

use of voldemort.server.rebalance.RebalancerState in project voldemort by voldemort.

the class VoldemortAdminTool method executeClearRebalancing.

private static void executeClearRebalancing(int nodeId, AdminClient adminClient) {
    // FIXME: add check for server state, must not be in offline state
    System.out.println("Setting " + MetadataStore.SERVER_STATE_KEY + " to " + MetadataStore.VoldemortState.NORMAL_SERVER);
    executeSetMetadata(nodeId, adminClient, MetadataStore.SERVER_STATE_KEY, MetadataStore.VoldemortState.NORMAL_SERVER.toString());
    RebalancerState state = RebalancerState.create("[]");
    System.out.println("Cleaning up " + MetadataStore.REBALANCING_STEAL_INFO + " to " + state.toJsonString());
    executeSetMetadata(nodeId, adminClient, MetadataStore.REBALANCING_STEAL_INFO, state.toJsonString());
    System.out.println("Cleaning up " + MetadataStore.REBALANCING_SOURCE_CLUSTER_XML + " to empty string");
    executeSetMetadata(nodeId, adminClient, MetadataStore.REBALANCING_SOURCE_CLUSTER_XML, "");
}

Example 8 with RebalancerState

use of voldemort.server.rebalance.RebalancerState in project voldemort by voldemort.

the class RedirectingStoreTest method setUp.

@Before
public void setUp() throws IOException, InterruptedException {
    currentCluster = ServerTestUtils.getLocalCluster(3, new int[][] { { 0, 1 }, { 2, 3 }, {} });
    targetCluster = UpdateClusterUtils.createUpdatedCluster(currentCluster, 2, Arrays.asList(0));
    this.primaryPartitionsMoved = Lists.newArrayList(0);
    this.secondaryPartitionsMoved = Lists.newArrayList(2, 3);
    this.storeDef = new StoreDefinitionBuilder().setName("test").setType(BdbStorageConfiguration.TYPE_NAME).setKeySerializer(new SerializerDefinition("string")).setValueSerializer(new SerializerDefinition("string")).setRoutingPolicy(RoutingTier.CLIENT).setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY).setReplicationFactor(2).setPreferredReads(1).setRequiredReads(1).setPreferredWrites(1).setRequiredWrites(1).build();
    File tempStoreXml = new File(TestUtils.createTempDir(), "stores.xml");
    FileUtils.writeStringToFile(tempStoreXml, new StoreDefinitionsMapper().writeStoreList(Lists.newArrayList(storeDef)));
    this.servers = new VoldemortServer[3];
    for (int nodeId = 0; nodeId < 3; nodeId++) {
        this.servers[nodeId] = startServer(nodeId, tempStoreXml.getAbsolutePath(), currentCluster);
    }
    // Start another node for only this unit test
    HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(100);
    SocketStoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(Lists.newArrayList("tcp://" + currentCluster.getNodeById(0).getHost() + ":" + currentCluster.getNodeById(0).getSocketPort())));
    StoreClient<Object, Object> storeClient = factory.getStoreClient("test");
    this.primaryEntriesMoved = Maps.newHashMap();
    this.secondaryEntriesMoved = Maps.newHashMap();
    this.proxyPutTestPrimaryEntries = Maps.newHashMap();
    this.proxyPutTestSecondaryEntries = Maps.newHashMap();
    RoutingStrategy strategy = new RoutingStrategyFactory().updateRoutingStrategy(storeDef, currentCluster);
    for (Entry<ByteArray, byte[]> entry : entrySet.entrySet()) {
        storeClient.put(new String(entry.getKey().get()), new String(entry.getValue()));
        List<Integer> pList = strategy.getPartitionList(entry.getKey().get());
        if (primaryPartitionsMoved.contains(pList.get(0))) {
            primaryEntriesMoved.put(entry.getKey(), entry.getValue());
        } else if (secondaryPartitionsMoved.contains(pList.get(0))) {
            secondaryEntriesMoved.put(entry.getKey(), entry.getValue());
        }
    }
    // Sleep a while for the queries to go through...
    // Hope the 'God of perfect timing' is on our side
    Thread.sleep(500);
    // steal a few primary key-value pairs for testing proxy put logic
    int cnt = 0;
    for (Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
        if (cnt > 3)
            break;
        this.proxyPutTestPrimaryEntries.put(entry.getKey(), entry.getValue());
        cnt++;
    }
    for (ByteArray key : this.proxyPutTestPrimaryEntries.keySet()) {
        this.primaryEntriesMoved.remove(key);
    }
    assertTrue("Not enough primary entries", primaryEntriesMoved.size() > 1);
    // steal a few secondary key-value pairs for testing proxy put logic
    cnt = 0;
    for (Entry<ByteArray, byte[]> entry : secondaryEntriesMoved.entrySet()) {
        if (cnt > 3)
            break;
        this.proxyPutTestSecondaryEntries.put(entry.getKey(), entry.getValue());
        cnt++;
    }
    for (ByteArray key : this.proxyPutTestSecondaryEntries.keySet()) {
        this.secondaryEntriesMoved.remove(key);
    }
    assertTrue("Not enough secondary entries", primaryEntriesMoved.size() > 1);
    RebalanceBatchPlan RebalanceBatchPlan = new RebalanceBatchPlan(currentCluster, targetCluster, Lists.newArrayList(storeDef));
    List<RebalanceTaskInfo> plans = Lists.newArrayList(RebalanceBatchPlan.getBatchPlan());
    // Set into rebalancing state
    for (RebalanceTaskInfo partitionPlan : plans) {
        servers[partitionPlan.getStealerId()].getMetadataStore().put(MetadataStore.SERVER_STATE_KEY, MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER);
        servers[partitionPlan.getStealerId()].getMetadataStore().put(MetadataStore.REBALANCING_STEAL_INFO, new RebalancerState(Lists.newArrayList(partitionPlan)));
        servers[partitionPlan.getStealerId()].getMetadataStore().put(MetadataStore.REBALANCING_SOURCE_CLUSTER_XML, currentCluster);
        // update original storedefs
        servers[partitionPlan.getStealerId()].getMetadataStore().put(MetadataStore.REBALANCING_SOURCE_STORES_XML, Lists.newArrayList(storeDef));
    }
    // Update the cluster metadata on all three nodes
    for (VoldemortServer server : servers) {
        server.getMetadataStore().put(MetadataStore.CLUSTER_KEY, targetCluster);
    }
}

Example 9 with RebalancerState

use of voldemort.server.rebalance.RebalancerState in project voldemort by voldemort.

the class AdminRebalanceTest method testRebalanceNodeRW2.

@Test(timeout = 60000)
public void testRebalanceNodeRW2() throws IOException {
    try {
        startFourNodeRW();
        // Start another node for only this unit test
        HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(TEST_SIZE);
        SocketStoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(Lists.newArrayList("tcp://" + currentCluster.getNodeById(0).getHost() + ":" + currentCluster.getNodeById(0).getSocketPort())));
        StoreClient<Object, Object> storeClient1 = factory.getStoreClient("test"), storeClient2 = factory.getStoreClient("test2");
        List<Integer> primaryPartitionsMoved = Lists.newArrayList(0);
        List<Integer> secondaryPartitionsMoved = Lists.newArrayList(8, 9, 10, 11);
        List<Integer> tertiaryPartitionsMoved = Lists.newArrayList(4, 5, 6, 7);
        HashMap<ByteArray, byte[]> primaryEntriesMoved = Maps.newHashMap();
        HashMap<ByteArray, byte[]> secondaryEntriesMoved = Maps.newHashMap();
        HashMap<ByteArray, byte[]> tertiaryEntriesMoved = Maps.newHashMap();
        RoutingStrategy strategy = new RoutingStrategyFactory().updateRoutingStrategy(storeDef2, currentCluster);
        for (Entry<ByteArray, byte[]> entry : entrySet.entrySet()) {
            storeClient1.put(new String(entry.getKey().get()), new String(entry.getValue()));
            storeClient2.put(new String(entry.getKey().get()), new String(entry.getValue()));
            List<Integer> pList = strategy.getPartitionList(entry.getKey().get());
            if (primaryPartitionsMoved.contains(pList.get(0))) {
                primaryEntriesMoved.put(entry.getKey(), entry.getValue());
            } else if (secondaryPartitionsMoved.contains(pList.get(0))) {
                secondaryEntriesMoved.put(entry.getKey(), entry.getValue());
            } else if (tertiaryPartitionsMoved.contains(pList.get(0))) {
                tertiaryEntriesMoved.put(entry.getKey(), entry.getValue());
            }
        }
        // Set into rebalancing state
        for (RebalanceTaskInfo partitionPlan : plans) {
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.SERVER_STATE_KEY, MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER);
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_STEAL_INFO, new RebalancerState(Lists.newArrayList(RebalanceTaskInfo.create(partitionPlan.toJsonString()))));
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_SOURCE_CLUSTER_XML, partitionPlan.getInitialCluster());
        }
        // Update the cluster metadata on all three nodes
        for (VoldemortServer server : servers) {
            server.getMetadataStore().put(MetadataStore.CLUSTER_KEY, finalCluster);
        }
        // Actually run it
        try {
            for (RebalanceTaskInfo currentPlan : plans) {
                int asyncId = adminClient.rebalanceOps.rebalanceNode(currentPlan);
                assertNotSame("Got a valid rebalanceAsyncId", -1, asyncId);
                getAdminClient().rpcOps.waitForCompletion(currentPlan.getStealerId(), asyncId, 300, TimeUnit.SECONDS);
                // Test that plan has been removed from the list
                assertFalse(getServer(currentPlan.getStealerId()).getMetadataStore().getRebalancerState().getAll().contains(currentPlan));
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail("Should not throw any exceptions");
        }
        Store<ByteArray, byte[], byte[]> storeTest0 = getStore(0, "test2");
        Store<ByteArray, byte[], byte[]> storeTest1 = getStore(1, "test2");
        Store<ByteArray, byte[], byte[]> storeTest3 = getStore(3, "test2");
        Store<ByteArray, byte[], byte[]> storeTest00 = getStore(0, "test");
        Store<ByteArray, byte[], byte[]> storeTest30 = getStore(3, "test");
        // Primary
        for (Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest0.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest0.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 1
            assertSame("entry should be present at store", 1, storeTest1.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest1.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
            // Test
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest00.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest00.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest30.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest30.get(entry.getKey(), null).get(0).getValue()));
        }
        // Secondary
        for (Entry<ByteArray, byte[]> entry : secondaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest0.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest0.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
            // Test
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest30.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest30.get(entry.getKey(), null).get(0).getValue()));
        }
        // Tertiary
        for (Entry<ByteArray, byte[]> entry : tertiaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
        }
        // All servers should be back to normal state
        for (VoldemortServer server : servers) {
            assertEquals(server.getMetadataStore().getRebalancerState(), new RebalancerState(new ArrayList<RebalanceTaskInfo>()));
            assertEquals(server.getMetadataStore().getServerStateUnlocked(), MetadataStore.VoldemortState.NORMAL_SERVER);
        }
    } finally {
        shutDown();
    }
}

Example 10 with RebalancerState

use of voldemort.server.rebalance.RebalancerState in project voldemort by voldemort.

the class AdminRebalanceTest method testRebalanceNodeRW.

@Test(timeout = 60000)
public void testRebalanceNodeRW() throws IOException {
    try {
        startThreeNodeRW();
        // Start another node for only this unit test
        HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(TEST_SIZE);
        SocketStoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(Lists.newArrayList("tcp://" + currentCluster.getNodeById(0).getHost() + ":" + currentCluster.getNodeById(0).getSocketPort())));
        StoreClient<Object, Object> storeClient1 = factory.getStoreClient("test"), storeClient2 = factory.getStoreClient("test2");
        List<Integer> primaryPartitionsMoved = Lists.newArrayList(0);
        List<Integer> secondaryPartitionsMoved = Lists.newArrayList(4, 5, 6, 7);
        HashMap<ByteArray, byte[]> primaryEntriesMoved = Maps.newHashMap();
        HashMap<ByteArray, byte[]> secondaryEntriesMoved = Maps.newHashMap();
        RoutingStrategy strategy = new RoutingStrategyFactory().updateRoutingStrategy(storeDef2, currentCluster);
        for (Entry<ByteArray, byte[]> entry : entrySet.entrySet()) {
            storeClient1.put(new String(entry.getKey().get()), new String(entry.getValue()));
            storeClient2.put(new String(entry.getKey().get()), new String(entry.getValue()));
            List<Integer> pList = strategy.getPartitionList(entry.getKey().get());
            if (primaryPartitionsMoved.contains(pList.get(0))) {
                primaryEntriesMoved.put(entry.getKey(), entry.getValue());
            } else if (secondaryPartitionsMoved.contains(pList.get(0))) {
                secondaryEntriesMoved.put(entry.getKey(), entry.getValue());
            }
        }
        try {
            adminClient.rebalanceOps.rebalanceNode(plans.get(0));
            fail("Should have thrown an exception since not in rebalancing state");
        } catch (VoldemortException e) {
        }
        // Set into rebalancing state
        for (RebalanceTaskInfo partitionPlan : plans) {
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.SERVER_STATE_KEY, MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER);
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_SOURCE_CLUSTER_XML, partitionPlan.getInitialCluster());
        }
        try {
            adminClient.rebalanceOps.rebalanceNode(plans.get(0));
            fail("Should have thrown an exception since no steal info");
        } catch (VoldemortException e) {
        }
        // Put a plan different from the plan that we actually want to
        // execute
        int incorrectStealerId = (plans.get(0).getStealerId() + 1) % 3;
        getServer(plans.get(0).getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_STEAL_INFO, new RebalancerState(Lists.newArrayList(new RebalanceTaskInfo(incorrectStealerId, plans.get(0).getDonorId(), plans.get(0).getStoreToPartitionIds(), plans.get(0).getInitialCluster()))));
        try {
            adminClient.rebalanceOps.rebalanceNode(plans.get(0));
            fail("Should have thrown an exception since the two plans eventhough have the same donor are different");
        } catch (VoldemortException e) {
        }
        // Set the rebalance info on the stealer node
        for (RebalanceTaskInfo partitionPlan : plans) {
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_STEAL_INFO, new RebalancerState(Lists.newArrayList(RebalanceTaskInfo.create(partitionPlan.toJsonString()))));
        }
        // Update the cluster metadata on all three nodes
        for (VoldemortServer server : servers) {
            server.getMetadataStore().put(MetadataStore.CLUSTER_KEY, finalCluster);
        }
        // Actually run it
        try {
            for (RebalanceTaskInfo currentPlan : plans) {
                int asyncId = adminClient.rebalanceOps.rebalanceNode(currentPlan);
                // AlreadyRebalancingException
                try {
                    adminClient.rebalanceOps.rebalanceNode(currentPlan);
                    fail("Should have thrown an exception since it is already rebalancing");
                } catch (AlreadyRebalancingException e) {
                }
                assertNotSame("Got a valid rebalanceAsyncId", -1, asyncId);
                getAdminClient().rpcOps.waitForCompletion(currentPlan.getStealerId(), asyncId, 300, TimeUnit.SECONDS);
                // Test that plan has been removed from the list
                assertFalse(getServer(currentPlan.getStealerId()).getMetadataStore().getRebalancerState().getAll().contains(currentPlan));
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail("Should not throw any exceptions");
        }
        Store<ByteArray, byte[], byte[]> storeTest0 = getStore(0, "test2");
        Store<ByteArray, byte[], byte[]> storeTest2 = getStore(2, "test2");
        Store<ByteArray, byte[], byte[]> storeTest20 = getStore(2, "test");
        // Primary is on Node 0 and not on Node 1
        for (Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
            assertSame("entry should be present at store", 1, storeTest0.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest0.get(entry.getKey(), null).get(0).getValue()));
            // Check in other store
            assertSame("entry should be present in store test2 ", 1, storeTest20.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest20.get(entry.getKey(), null).get(0).getValue()));
        }
        // Secondary is on Node 2 and not on Node 0
        for (Entry<ByteArray, byte[]> entry : secondaryEntriesMoved.entrySet()) {
            assertSame("entry should be present at store", 1, storeTest2.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest2.get(entry.getKey(), null).get(0).getValue()));
        }
        // All servers should be back to normal state
        for (VoldemortServer server : servers) {
            assertEquals(server.getMetadataStore().getRebalancerState(), new RebalancerState(new ArrayList<RebalanceTaskInfo>()));
            assertEquals(server.getMetadataStore().getServerStateUnlocked(), MetadataStore.VoldemortState.NORMAL_SERVER);
        }
    } finally {
        shutDown();
    }
}