Examples with Config org.apache.cassandra.config.Config used on opensource projects

Example 1 with Config

use of org.apache.cassandra.config.Config in project cassandra by apache.

the class CommitLog method recoverSegmentsOnDisk.

/**
     * Perform recovery on commit logs located in the directory specified by the config file.
     *
     * @return the number of mutations replayed
     * @throws IOException
     */
public int recoverSegmentsOnDisk() throws IOException {
    FilenameFilter unmanagedFilesFilter = (dir, name) -> CommitLogDescriptor.isValid(name) && CommitLogSegment.shouldReplay(name);
    // archiving pass, which we should not treat as serious. 
    for (File file : new File(segmentManager.storageDirectory).listFiles(unmanagedFilesFilter)) {
        archiver.maybeArchive(file.getPath(), file.getName());
        archiver.maybeWaitForArchiving(file.getName());
    }
    assert archiver.archivePending.isEmpty() : "Not all commit log archive tasks were completed before restore";
    archiver.maybeRestoreArchive();
    // List the files again as archiver may have added segments.
    File[] files = new File(segmentManager.storageDirectory).listFiles(unmanagedFilesFilter);
    int replayed = 0;
    if (files.length == 0) {
        logger.info("No commitlog files found; skipping replay");
    } else {
        Arrays.sort(files, new CommitLogSegmentFileComparator());
        logger.info("Replaying {}", StringUtils.join(files, ", "));
        replayed = recoverFiles(files);
        logger.info("Log replay complete, {} replayed mutations", replayed);
        for (File f : files) segmentManager.handleReplayedSegment(f);
    }
    return replayed;
}

Example 2 with Config

use of org.apache.cassandra.config.Config in project cassandra by apache.

the class OffsetAwareConfigurationLoader method loadConfig.

@Override
public Config loadConfig() throws ConfigurationException {
    Config config = super.loadConfig();
    String sep = File.pathSeparator;
    config.native_transport_port += offset;
    config.storage_port += offset;
    config.commitlog_directory += sep + offset;
    config.saved_caches_directory += sep + offset;
    config.hints_directory += sep + offset;
    config.cdc_raw_directory += sep + offset;
    for (int i = 0; i < config.data_file_directories.length; i++) config.data_file_directories[i] += sep + offset;
    return config;
}

Example 3 with Config

use of org.apache.cassandra.config.Config in project cassandra by apache.

the class FBUtilitiesTest method testGetBroadcastRpcAddress.

@Test
public void testGetBroadcastRpcAddress() throws Exception {
    //When both rpc_address and broadcast_rpc_address are null, it should return the local address (from DD.applyAddressConfig)
    FBUtilities.reset();
    Config testConfig = DatabaseDescriptor.loadConfig();
    testConfig.rpc_address = null;
    testConfig.broadcast_rpc_address = null;
    DatabaseDescriptor.applyAddressConfig(testConfig);
    assertEquals(FBUtilities.getLocalAddress(), FBUtilities.getBroadcastRpcAddress());
    //When rpc_address is defined and broadcast_rpc_address is null, it should return the rpc_address
    FBUtilities.reset();
    testConfig.rpc_address = "127.0.0.2";
    testConfig.broadcast_rpc_address = null;
    DatabaseDescriptor.applyAddressConfig(testConfig);
    assertEquals(InetAddress.getByName("127.0.0.2"), FBUtilities.getBroadcastRpcAddress());
    //When both rpc_address and broadcast_rpc_address are defined, it should return broadcast_rpc_address
    FBUtilities.reset();
    testConfig.rpc_address = "127.0.0.2";
    testConfig.broadcast_rpc_address = "127.0.0.3";
    DatabaseDescriptor.applyAddressConfig(testConfig);
    assertEquals(InetAddress.getByName("127.0.0.3"), FBUtilities.getBroadcastRpcAddress());
    FBUtilities.reset();
}

Example 4 with Config

use of org.apache.cassandra.config.Config in project cassandra by apache.

the class SimpleSeedProvider method getSeeds.

public List<InetAddress> getSeeds() {
    Config conf;
    try {
        conf = DatabaseDescriptor.loadConfig();
    } catch (Exception e) {
        throw new AssertionError(e);
    }
    String[] hosts = conf.seed_provider.parameters.get("seeds").split(",", -1);
    List<InetAddress> seeds = new ArrayList<InetAddress>(hosts.length);
    for (String host : hosts) {
        try {
            seeds.add(InetAddress.getByName(host.trim()));
        } catch (UnknownHostException ex) {
            // not fatal... DD will bark if there end up being zero seeds.
            logger.warn("Seed provider couldn't lookup host {}", host);
        }
    }
    return Collections.unmodifiableList(seeds);
}

Example 5 with Config

use of org.apache.cassandra.config.Config in project cassandra by apache.

the class AuthConfig method applyAuth.

public static void applyAuth() {
    // some tests need this
    if (initialized)
        return;
    initialized = true;
    Config conf = DatabaseDescriptor.getRawConfig();
    IAuthenticator authenticator = new AllowAllAuthenticator();
    /* Authentication, authorization and role management backend, implementing IAuthenticator, IAuthorizer & IRoleMapper*/
    if (conf.authenticator != null)
        authenticator = FBUtilities.newAuthenticator(conf.authenticator);
    // is in use and non-default values are detected
    if (!(authenticator instanceof PasswordAuthenticator) && (conf.credentials_update_interval_in_ms != -1 || conf.credentials_validity_in_ms != 2000 || conf.credentials_cache_max_entries != 1000)) {
        logger.info("Configuration options credentials_update_interval_in_ms, credentials_validity_in_ms and " + "credentials_cache_max_entries may not be applicable for the configured authenticator ({})", authenticator.getClass().getName());
    }
    DatabaseDescriptor.setAuthenticator(authenticator);
    // authorizer
    IAuthorizer authorizer = new AllowAllAuthorizer();
    if (conf.authorizer != null)
        authorizer = FBUtilities.newAuthorizer(conf.authorizer);
    if (!authenticator.requireAuthentication() && authorizer.requireAuthorization())
        throw new ConfigurationException(conf.authenticator + " can't be used with " + conf.authorizer, false);
    DatabaseDescriptor.setAuthorizer(authorizer);
    // role manager
    IRoleManager roleManager;
    if (conf.role_manager != null)
        roleManager = FBUtilities.newRoleManager(conf.role_manager);
    else
        roleManager = new CassandraRoleManager();
    if (authenticator instanceof PasswordAuthenticator && !(roleManager instanceof CassandraRoleManager))
        throw new ConfigurationException("CassandraRoleManager must be used with PasswordAuthenticator", false);
    DatabaseDescriptor.setRoleManager(roleManager);
    // authenticator
    IInternodeAuthenticator internodeAuthenticator;
    if (conf.internode_authenticator != null)
        internodeAuthenticator = FBUtilities.construct(conf.internode_authenticator, "internode_authenticator");
    else
        internodeAuthenticator = new AllowAllInternodeAuthenticator();
    DatabaseDescriptor.setInternodeAuthenticator(internodeAuthenticator);
    // Validate at last to have authenticator, authorizer, role-manager and internode-auth setup
    // in case these rely on each other.
    authenticator.validateConfiguration();
    authorizer.validateConfiguration();
    roleManager.validateConfiguration();
    internodeAuthenticator.validateConfiguration();
}