Examples with ZooKeeperClientHAServices org.apache.flink.runtime.highavailability.zookeeper.ZooKeeperClientHAServices used on opensource projects

Example 1 with ZooKeeperClientHAServices

use of org.apache.flink.runtime.highavailability.zookeeper.ZooKeeperClientHAServices in project Taier by DTStack.

the class HighAvailabilityServicesUtils method createClientHAService.

public static ClientHighAvailabilityServices createClientHAService(Configuration configuration) throws Exception {
    HighAvailabilityMode highAvailabilityMode = HighAvailabilityMode.fromConfig(configuration);
    switch(highAvailabilityMode) {
        case NONE:
            final String webMonitorAddress = getWebMonitorAddress(configuration, AddressResolution.TRY_ADDRESS_RESOLUTION);
            return new StandaloneClientHAServices(webMonitorAddress);
        case ZOOKEEPER:
            boolean appendJaasEnable = configuration.getBoolean(ConfigConstrant.ZOOKEEPER_CLIENT_APPEND_JAAS_ENABLE, false);
            if (appendJaasEnable) {
                String zookeeperContestName = configuration.get(SecurityOptions.ZOOKEEPER_SASL_LOGIN_CONTEXT_NAME);
                String keytabPath = configuration.get(SecurityOptions.KERBEROS_LOGIN_KEYTAB);
                String principal = configuration.get(SecurityOptions.KERBEROS_LOGIN_PRINCIPAL);
                synchronized (lock) {
                    javax.security.auth.login.Configuration priorConfig = javax.security.auth.login.Configuration.getConfiguration();
                    // construct a dynamic JAAS configuration
                    DynamicConfiguration currentConfig = new DynamicConfiguration(priorConfig);
                    // wire up the configured JAAS login contexts to use the krb5 entries
                    AppConfigurationEntry krb5Entry = KerberosUtils.keytabEntry(keytabPath, principal);
                    currentConfig.addAppConfigurationEntry(zookeeperContestName, krb5Entry);
                    javax.security.auth.login.Configuration.setConfiguration(currentConfig);
                }
            }
            final CuratorFramework client = ZooKeeperUtils.startCuratorFramework(configuration);
            return new ZooKeeperClientHAServices(client, configuration);
        case FACTORY_CLASS:
            return createCustomClientHAServices(configuration);
        default:
            throw new Exception("Recovery mode " + highAvailabilityMode + " is not supported.");
    }
}