Examples with AdminClient voldemort.client.protocol.admin.AdminClient used on opensource projects

Example 56 with AdminClient

use of voldemort.client.protocol.admin.AdminClient in project voldemort by voldemort.

the class ReplaceNodeTest method verifyNewNodePartOfCluster.

private void verifyNewNodePartOfCluster(Node replacementNode) {
    // Verify if new node is part of the new cluster.
    Cluster cluster = new AdminClient(originalBootstrapUrl).getAdminClientCluster();
    boolean isNewNodePresent = false;
    for (Node curNode : cluster.getNodes()) {
        if (curNode.isEqualState(replacementNode)) {
            isNewNodePresent = true;
            break;
        }
    }
    assertTrue(isNewNodePresent);
}

Example 57 with AdminClient

use of voldemort.client.protocol.admin.AdminClient in project voldemort by voldemort.

the class AdminServiceBasicTest method testIsClusterModified.

@Test
public void testIsClusterModified() {
    AdminClient client = getAdminClient();
    assertFalse("Newly Created admin client has valid cluster", client.isClusterModified());
    String clusterXml = new ClusterMapper().writeCluster(cluster);
    client.metadataMgmtOps.updateRemoteMetadata(cluster.getNodeIds(), MetadataStore.CLUSTER_KEY, clusterXml);
    assertTrue("After cluster update", client.isClusterModified());
}

Example 58 with AdminClient

use of voldemort.client.protocol.admin.AdminClient in project voldemort by voldemort.

the class AdminServiceBasicTest method testFetchAndUpdateStoresMetadata.

@Test
public void testFetchAndUpdateStoresMetadata() {
    AdminClient client = getAdminClient();
    int nodeId = 0;
    String storeNameToBeUpdated = "users";
    doClientOperation();
    // Fetch the original list of stores
    Versioned<List<StoreDefinition>> originalStoreDefinitions = client.metadataMgmtOps.getRemoteStoreDefList(nodeId);
    List<StoreDefinition> updatedStoreDefList = new ArrayList<StoreDefinition>();
    StoreDefinition oldDefinition = getStoreDefinitionFromList(originalStoreDefinitions.getValue(), storeNameToBeUpdated);
    // Create an updated store definition for store: 'users'
    StoreDefinition newDefinition = new StoreDefinitionBuilder().setName(storeNameToBeUpdated).setType(oldDefinition.getType()).setKeySerializer(oldDefinition.getKeySerializer()).setValueSerializer(oldDefinition.getValueSerializer()).setRoutingPolicy(oldDefinition.getRoutingPolicy()).setRoutingStrategyType(oldDefinition.getRoutingStrategyType()).setReplicationFactor(2).setPreferredReads(2).setRequiredReads(1).setPreferredWrites(2).setRequiredWrites(2).build();
    updatedStoreDefList.add(newDefinition);
    // Update the 'users' store
    client.metadataMgmtOps.fetchAndUpdateRemoteStore(nodeId, updatedStoreDefList);
    // Fetch the stores list again and check that the 'users' store has been
    // updated
    Versioned<List<StoreDefinition>> newStoreDefinitions = client.metadataMgmtOps.getRemoteStoreDefList(nodeId);
    assertFalse(originalStoreDefinitions.getValue().equals(newStoreDefinitions.getValue()));
    for (StoreDefinition def : newStoreDefinitions.getValue()) {
        if (def.getName().equalsIgnoreCase(storeNameToBeUpdated)) {
            assertTrue(def.equals(newDefinition));
        }
    }
    // Restore the old set of store definitions
    client.metadataMgmtOps.updateRemoteStoreDefList(nodeId, originalStoreDefinitions.getValue());
    doClientOperation();
}

Example 59 with AdminClient

use of voldemort.client.protocol.admin.AdminClient in project voldemort by voldemort.

the class AtomicSetMetadataPairTest method testClusterAndStoresAreSetAtomically.

/**
 * Bug fix: The old approach tried to test store metadata update by
 * replacing an existing stores.xml with a completely different stores.xml.
 * This has been fixed such that, the new stores.xml is the same as the
 * original, except for required replication factor = 2.
 */
@Test
public void testClusterAndStoresAreSetAtomically() {
    try {
        AdminClient adminClient = new AdminClient(bootStrapUrls[0]);
        StoreDefinitionsMapper storeDefsMapper = new StoreDefinitionsMapper();
        List<StoreDefinition> storeDefs = storeDefsMapper.readStoreList(new File(newStoresXmlfile));
        ClusterMapper clusterMapper = new ClusterMapper();
        for (Node node : oldCluster.getNodes()) {
            VoldemortAdminTool.executeSetMetadataPair(node.getId(), adminClient, CLUSTER_KEY, clusterMapper.writeCluster(newCluster), STORES_KEY, storeDefsMapper.writeStoreList(storeDefs));
        }
        String dirPath = TestUtils.createTempDir().getAbsolutePath();
        for (Node node : newCluster.getNodes()) {
            VoldemortAdminTool.executeGetMetadata(node.getId(), adminClient, CLUSTER_KEY, dirPath);
            // Make sure cluster metadata was updated
            Cluster newClusterFromMetadataRepo = clusterMapper.readCluster(new File(dirPath, CLUSTER_KEY + "_" + node.getId()));
            // All nodes should have this old list
            assertTrue(oldCluster.getNodeById(5).getPartitionIds().equals(oldPartitionIds));
            // As per the new metadata node 5 should have this list
            assertTrue(newClusterFromMetadataRepo.getNodeById(5).getPartitionIds().equals(newPartitionIds));
            // Make sure store metadata was updated
            VoldemortAdminTool.executeGetMetadata(node.getId(), adminClient, STORES_KEY, dirPath);
            List<StoreDefinition> newStoreDefsFromMetadatRepo = storeDefsMapper.readStoreList(new File(dirPath, STORES_KEY + "_" + node.getId()));
            // Check that the required replication factor has been updated
            assertTrue(newStoreDefsFromMetadatRepo.get(1).getRequiredReads() == 2);
            assertTrue(newStoreDefsFromMetadatRepo.get(1).getRequiredWrites() == 2);
        }
    } catch (Exception e) {
        fail("Error in validating end to end client rebootstrap : " + e);
    }
}

Example 60 with AdminClient

use of voldemort.client.protocol.admin.AdminClient in project voldemort by voldemort.

the class AbstractNonZonedRebalanceTest method testProxyPutDuringRebalancing.

@Test(timeout = 600000)
public void testProxyPutDuringRebalancing() throws Exception {
    logger.info("Starting testProxyPutDuringRebalancing");
    try {
        Cluster currentCluster = ServerTestUtils.getLocalCluster(3, new int[][] { { 0 }, { 1, 3 }, { 2 } });
        Cluster finalCluster = UpdateClusterUtils.createUpdatedCluster(currentCluster, 2, Lists.newArrayList(3));
        // start servers 0,1,2 only
        final List<Integer> serverList = Arrays.asList(0, 1, 2);
        Map<String, String> configProps = new HashMap<String, String>();
        configProps.put("admin.max.threads", "5");
        final Cluster updatedCurrentCluster = startServers(currentCluster, rwStoreDefFileWithReplication, serverList, configProps);
        ExecutorService executors = Executors.newFixedThreadPool(2);
        final AtomicBoolean rebalancingComplete = new AtomicBoolean(false);
        final List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>());
        // Its is imperative that we test in a single shot since multiple
        // batches would mean the proxy bridges being torn down and
        // established multiple times and we cannot test against the source
        // cluster topology then.
        String bootstrapUrl = getBootstrapUrl(currentCluster, 0);
        int maxParallel = 2;
        final ClusterTestUtils.RebalanceKit rebalanceKit = ClusterTestUtils.getRebalanceKit(bootstrapUrl, maxParallel, finalCluster);
        populateData(updatedCurrentCluster, rwStoreDefWithReplication, rebalanceKit.controller.getAdminClient(), false);
        final AdminClient adminClient = rebalanceKit.controller.getAdminClient();
        // the plan would cause these partitions to move
        // Partition : Donor -> Stealer
        // p2 (SEC) : s1 -> s0
        // p3 (PRI) : s1 -> s2
        final List<ByteArray> movingKeysList = sampleKeysFromPartition(adminClient, 1, rwStoreDefWithReplication.getName(), Arrays.asList(2, 3), 20);
        assertTrue("Empty list of moving keys...", movingKeysList.size() > 0);
        final AtomicBoolean rebalancingStarted = new AtomicBoolean(false);
        final AtomicBoolean proxyWritesDone = new AtomicBoolean(false);
        final HashMap<String, String> baselineTuples = new HashMap<String, String>(testEntries);
        final HashMap<String, VectorClock> baselineVersions = new HashMap<String, VectorClock>();
        for (String key : baselineTuples.keySet()) {
            baselineVersions.put(key, new VectorClock());
        }
        final CountDownLatch latch = new CountDownLatch(2);
        // start get operation.
        executors.execute(new Runnable() {

            @Override
            public void run() {
                SocketStoreClientFactory factory = null;
                try {
                    // wait for the rebalancing to begin.
                    List<VoldemortServer> serverList = Lists.newArrayList(serverMap.get(0), serverMap.get(2));
                    while (!rebalancingComplete.get()) {
                        Iterator<VoldemortServer> serverIterator = serverList.iterator();
                        while (serverIterator.hasNext()) {
                            VoldemortServer server = serverIterator.next();
                            if (ByteUtils.getString(server.getMetadataStore().get(MetadataStore.SERVER_STATE_KEY, null).get(0).getValue(), "UTF-8").compareTo(VoldemortState.REBALANCING_MASTER_SERVER.toString()) == 0) {
                                logger.info("Server " + server.getIdentityNode().getId() + " transitioned into REBALANCING MODE");
                                serverIterator.remove();
                            }
                        }
                        if (serverList.size() == 0) {
                            rebalancingStarted.set(true);
                            break;
                        }
                    }
                    if (!rebalancingComplete.get()) {
                        factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(getBootstrapUrl(updatedCurrentCluster, 0)).setEnableLazy(false).setSocketTimeout(120, TimeUnit.SECONDS));
                        final StoreClient<String, String> storeClientRW = new DefaultStoreClient<String, String>(testStoreNameRW, null, factory, 3);
                        // zero vector clock
                        for (ByteArray movingKey : movingKeysList) {
                            try {
                                if (rebalancingComplete.get()) {
                                    break;
                                }
                                String keyStr = ByteUtils.getString(movingKey.get(), "UTF-8");
                                String valStr = "proxy_write";
                                storeClientRW.put(keyStr, valStr);
                                baselineTuples.put(keyStr, valStr);
                                // all these keys will have [2:1] vector
                                // clock
                                // is node 2 is the pseudo master in both
                                // moves
                                baselineVersions.get(keyStr).incrementVersion(2, System.currentTimeMillis());
                                proxyWritesDone.set(true);
                            } catch (InvalidMetadataException e) {
                                // let this go
                                logger.error("Encountered an invalid metadata exception.. ", e);
                            }
                        }
                    }
                } catch (Exception e) {
                    logger.error("Exception in proxy put thread", e);
                    exceptions.add(e);
                } finally {
                    if (factory != null)
                        factory.close();
                    latch.countDown();
                }
            }
        });
        executors.execute(new Runnable() {

            @Override
            public void run() {
                try {
                    rebalanceKit.rebalance();
                } catch (Exception e) {
                    logger.error("Error in rebalancing... ", e);
                    exceptions.add(e);
                } finally {
                    rebalancingComplete.set(true);
                    latch.countDown();
                }
            }
        });
        latch.await();
        executors.shutdown();
        executors.awaitTermination(300, TimeUnit.SECONDS);
        assertEquals("Client did not see all server transition into rebalancing state", rebalancingStarted.get(), true);
        assertEquals("Not enough time to begin proxy writing", proxyWritesDone.get(), true);
        checkEntriesPostRebalance(updatedCurrentCluster, finalCluster, Lists.newArrayList(rwStoreDefWithReplication), Arrays.asList(0, 1, 2), baselineTuples, baselineVersions);
        checkConsistentMetadata(finalCluster, serverList);
        // check No Exception
        if (exceptions.size() > 0) {
            for (Exception e : exceptions) {
                e.printStackTrace();
            }
            fail("Should not see any exceptions.");
        }
        // check that the proxy writes were made to the original donor, node
        // 1
        List<ClockEntry> clockEntries = new ArrayList<ClockEntry>(serverList.size());
        for (Integer nodeid : serverList) clockEntries.add(new ClockEntry(nodeid.shortValue(), System.currentTimeMillis()));
        VectorClock clusterXmlClock = new VectorClock(clockEntries, System.currentTimeMillis());
        for (Integer nodeid : serverList) adminClient.metadataMgmtOps.updateRemoteCluster(nodeid, currentCluster, clusterXmlClock);
        adminClient.setAdminClientCluster(currentCluster);
        checkForTupleEquivalence(adminClient, 1, testStoreNameRW, movingKeysList, baselineTuples, baselineVersions);
        // stop servers
        try {
            stopServer(serverList);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } catch (AssertionError ae) {
        logger.error("Assertion broken in testProxyPutDuringRebalancing ", ae);
        throw ae;
    }
}