Examples with Host com.netflix.astyanax.connectionpool.Host used on opensource projects

Example 1 with Host

use of com.netflix.astyanax.connectionpool.Host in project coprhd-controller by CoprHD.

the class DbClientContext method init.

public void init(final HostSupplierImpl hostSupplier) {
    String svcName = hostSupplier.getDbSvcName();
    log.info("Initializing hosts for {}", svcName);
    List<Host> hosts = hostSupplier.get();
    if ((hosts != null) && (hosts.isEmpty())) {
        throw new IllegalStateException(String.format("DbClientContext.init() : host list in hostsupplier for %s is empty", svcName));
    } else {
        int hostCount = hosts == null ? 0 : hosts.size();
        log.info(String.format("number of hosts in the hostsupplier for %s is %d", svcName, hostCount));
    }
    Partitioner murmur3partitioner = Murmur3Partitioner.get();
    Map<String, Partitioner> partitioners = new HashMap<>();
    partitioners.put("org.apache.cassandra.dht.Murmur3Partitioner.class.getCanonicalName()", murmur3partitioner);
    ConsistencyLevel readCL = ConsistencyLevel.CL_LOCAL_QUORUM;
    ConsistencyLevel writeCL = ConsistencyLevel.CL_EACH_QUORUM;
    ConnectionPoolConfigurationImpl cfg = new ConnectionPoolConfigurationImpl(DEFAULT_CN_POOL_NANE).setMaxConns(maxConnections).setMaxConnsPerHost(maxConnectionsPerHost).setConnectTimeout(DEFAULT_CONN_TIMEOUT).setMaxBlockedThreadsPerHost(DEFAULT_MAX_BLOCKED_THREADS).setPartitioner(murmur3partitioner);
    log.info("The client to node is encrypted={}", isClientToNodeEncrypted);
    if (isClientToNodeEncrypted) {
        SSLConnectionContext sslContext = getSSLConnectionContext();
        cfg.setSSLConnectionContext(sslContext);
    }
    // TODO revisit it to see if we need set different retry policy, timeout, discovery delay etc for geodb
    keyspaceContext = new AstyanaxContext.Builder().withHostSupplier(hostSupplier).forCluster(clusterName).forKeyspace(keyspaceName).withAstyanaxConfiguration(new AstyanaxConfigurationImpl().setConnectionPoolType(ConnectionPoolType.ROUND_ROBIN).setDiscoveryDelayInSeconds(svcListPoolIntervalSec).setDefaultReadConsistencyLevel(readCL).setDefaultWriteConsistencyLevel(writeCL).setTargetCassandraVersion("2.0").setPartitioners(partitioners).setRetryPolicy(retryPolicy)).withConnectionPoolConfiguration(cfg).withTracerFactory(new KeyspaceTracerFactoryImpl()).withConnectionPoolMonitor(new CustomConnectionPoolMonitor(monitorIntervalSecs)).buildKeyspace(ThriftFamilyFactory.getInstance());
    keyspaceContext.start();
    keyspace = keyspaceContext.getClient();
    // Check and reset default write consistency level
    final DrUtil drUtil = new DrUtil(hostSupplier.getCoordinatorClient());
    if (drUtil.isMultivdc()) {
        // geodb in mutlivdc should be EACH_QUORUM always. Never retry for write failures
        setRetryFailedWriteWithLocalQuorum(false);
        log.info("Retry for failed write with LOCAL_QUORUM: {}", retryFailedWriteWithLocalQuorum);
    } else {
        setRetryFailedWriteWithLocalQuorum(true);
    }
    if (drUtil.isActiveSite() && !drUtil.isMultivdc()) {
        log.info("Schedule db consistency level monitor on DR active site");
        exe.scheduleWithFixedDelay(new Runnable() {

            @Override
            public void run() {
                try {
                    checkAndResetConsistencyLevel(drUtil, hostSupplier.getDbSvcName());
                } catch (Exception ex) {
                    log.warn("Encounter Unexpected exception during check consistency level. Retry in next run", ex);
                }
            }
        }, 60, DEFAULT_CONSISTENCY_LEVEL_CHECK_SEC, TimeUnit.SECONDS);
    }
    initDone = true;
}

Example 2 with Host

use of com.netflix.astyanax.connectionpool.Host in project kork by spinnaker.

the class EurekaHostSupplier method buildHost.

static Host buildHost(InstanceInfo info) {
    String[] parts = StringUtils.split(StringUtils.split(info.getHostName(), ".")[0], '-');
    Host host = new Host(info.getHostName(), info.getPort()).addAlternateIpAddress(StringUtils.join(new String[] { parts[1], parts[2], parts[3], parts[4] }, ".")).addAlternateIpAddress(info.getIPAddr()).setId(info.getId());
    try {
        if (info.getDataCenterInfo() instanceof AmazonInfo) {
            AmazonInfo amazonInfo = (AmazonInfo) info.getDataCenterInfo();
            host.setRack(amazonInfo.get(AmazonInfo.MetaDataKey.availabilityZone));
        }
    } catch (Throwable t) {
        logger.error("Error getting rack for host " + host.getName(), t);
    }
    return host;
}

Example 3 with Host

use of com.netflix.astyanax.connectionpool.Host in project coprhd-controller by CoprHD.

the class HostSupplierImpl method internalGet.

public List<Host> internalGet() {
    try {
        _log.debug("getting hosts for " + dbSvcName + "; version = " + _version);
        boolean isGeodb = Constants.GEODBSVC_NAME.equals(dbSvcName);
        List<Service> service = _coordinator.locateAllServices(dbSvcName, _version, (String) null, null);
        List<Host> hostList = new ArrayList<Host>(service.size());
        for (int i = 0; i < service.size(); i++) {
            Service svc = service.get(i);
            if (isGeodb && isDbReinitializing(svc)) {
                _log.debug("Ignore host {} because its geodb is reinitialzing", svc.getId());
                continue;
            }
            URI hostUri = svc.getEndpoint();
            _log.debug("Found " + svc.getName() + "; host = " + hostUri.getHost() + "; port = " + hostUri.getPort());
            hostList.add(new Host(String.format("%1$s:%2$d", hostUri.getHost(), hostUri.getPort()), hostUri.getPort()));
        }
        _log.debug("dbsvc endpoint refreshed");
        return hostList;
    } catch (RetryableCoordinatorException e) {
        _log.warn("no dbsvc instance running. Coordinator exception message: {}", e.getMessage());
    } catch (Exception e) {
        _log.error("dbsvc lookup failure", e);
    }
    return Collections.emptyList();
}