org.apache.flink.runtime.highavailability

Class HighAvailabilityServicesUtils

java.lang.Object

org.apache.flink.runtime.highavailability.HighAvailabilityServicesUtils

public class HighAvailabilityServicesUtils
extends Object

Utils class to instantiate HighAvailabilityServices implementations.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HighAvailabilityServicesUtils.AddressResolution Enum specifying whether address resolution should be tried or not when creating the HighAvailabilityServices.

Constructor Summary

Constructors

Constructor and Description
HighAvailabilityServicesUtils()

Method Summary

Modifier and Type	Method and Description
static HighAvailabilityServices	createAvailableOrEmbeddedServices(org.apache.flink.configuration.Configuration config, Executor executor)
static ClientHighAvailabilityServices	createClientHAService(org.apache.flink.configuration.Configuration configuration)
static HighAvailabilityServices	createHighAvailabilityServices(org.apache.flink.configuration.Configuration configuration, Executor executor, HighAvailabilityServicesUtils.AddressResolution addressResolution)
static org.apache.flink.core.fs.Path	getClusterHighAvailableStoragePath(org.apache.flink.configuration.Configuration configuration) Gets the cluster high available storage path from the provided configuration.
static org.apache.flink.api.java.tuple.Tuple2<String,Integer>	getJobManagerAddress(org.apache.flink.configuration.Configuration configuration) Returns the JobManager's hostname and port extracted from the given Configuration.
static String	getWebMonitorAddress(org.apache.flink.configuration.Configuration configuration, HighAvailabilityServicesUtils.AddressResolution resolution) Get address of web monitor from configuration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HighAvailabilityServicesUtils

public HighAvailabilityServicesUtils()

Method Detail

createAvailableOrEmbeddedServices

public static HighAvailabilityServices createAvailableOrEmbeddedServices(org.apache.flink.configuration.Configuration config,
                                                                         Executor executor)
                                                                  throws Exception

Throws:

Exception

createHighAvailabilityServices

public static HighAvailabilityServices createHighAvailabilityServices(org.apache.flink.configuration.Configuration configuration,
                                                                      Executor executor,
                                                                      HighAvailabilityServicesUtils.AddressResolution addressResolution)
                                                               throws Exception

Throws:

Exception

createClientHAService

public static ClientHighAvailabilityServices createClientHAService(org.apache.flink.configuration.Configuration configuration)
                                                            throws Exception

Throws:

Exception

getJobManagerAddress

public static org.apache.flink.api.java.tuple.Tuple2<String,Integer> getJobManagerAddress(org.apache.flink.configuration.Configuration configuration)
                                                                                   throws org.apache.flink.util.ConfigurationException

Returns the JobManager's hostname and port extracted from the given Configuration.

Parameters:

configuration - Configuration to extract the JobManager's address from

Returns:

The JobManager's hostname and port

Throws:

org.apache.flink.util.ConfigurationException - if the JobManager's address cannot be extracted from the configuration

getWebMonitorAddress

public static String getWebMonitorAddress(org.apache.flink.configuration.Configuration configuration,
                                          HighAvailabilityServicesUtils.AddressResolution resolution)
                                   throws UnknownHostException

Get address of web monitor from configuration.

Parameters:

configuration - Configuration contains those for WebMonitor.

resolution - Whether to try address resolution of the given hostname or not. This allows to fail fast in case that the hostname cannot be resolved.

Returns:

Address of WebMonitor.

Throws:

UnknownHostException

getClusterHighAvailableStoragePath

public static org.apache.flink.core.fs.Path getClusterHighAvailableStoragePath(org.apache.flink.configuration.Configuration configuration)

Gets the cluster high available storage path from the provided configuration.

The format is HA_STORAGE_PATH/HA_CLUSTER_ID.

Parameters:

configuration - containing the configuration values

Returns:

Path under which all highly available cluster artifacts are being stored