org.apache.flink.connector.testframe.environment

Interface ClusterControllable

All Known Implementing Classes:

FlinkContainerTestEnvironment, MiniClusterTestEnvironment

@Experimental
public interface ClusterControllable

Interface for triggering failover in a Flink cluster.

Method Summary

Modifier and Type	Method and Description
void	isolateNetwork(org.apache.flink.core.execution.JobClient jobClient, Runnable afterFailAction) Disconnect network between Flink cluster and external system.
void	triggerJobManagerFailover(org.apache.flink.core.execution.JobClient jobClient, Runnable afterFailAction) Triggers a JobManager failover.
void	triggerTaskManagerFailover(org.apache.flink.core.execution.JobClient jobClient, Runnable afterFailAction) Triggers TaskManager failover.

Method Detail

triggerJobManagerFailover

void triggerJobManagerFailover(org.apache.flink.core.execution.JobClient jobClient,
                               Runnable afterFailAction)
                        throws Exception

Triggers a JobManager failover.

Parameters:

jobClient - client of the running job

afterFailAction - action to take before restarting the JobManager

Throws:

Exception

triggerTaskManagerFailover

void triggerTaskManagerFailover(org.apache.flink.core.execution.JobClient jobClient,
                                Runnable afterFailAction)
                         throws Exception

Triggers TaskManager failover.

Parameters:

jobClient - client of the running job

afterFailAction - action to take before restarting TaskManager(s)

Throws:

Exception

isolateNetwork

void isolateNetwork(org.apache.flink.core.execution.JobClient jobClient,
                    Runnable afterFailAction)
             throws Exception

Disconnect network between Flink cluster and external system.

Parameters:

jobClient - client of the running job

afterFailAction - action to take before recovering the network connection

Throws:

Exception