org.apache.flink.runtime.clusterframework.overlays

Class KeytabOverlay

java.lang.Object

org.apache.flink.runtime.clusterframework.overlays.KeytabOverlay

All Implemented Interfaces:

ContainerOverlay

public class KeytabOverlay
extends Object

Overlays cluster-level Kerberos credentials (i.e. keytab) into a container.

The following Flink configuration entries are updated: - security.kerberos.login.keytab

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeytabOverlay.Builder A builder for the KeytabOverlay.

Constructor Summary

Constructors

Constructor and Description
KeytabOverlay(File keytab)
KeytabOverlay(org.apache.flink.core.fs.Path keytab)

Method Summary

Modifier and Type	Method and Description
protected void	addPathRecursively(File sourcePath, org.apache.flink.core.fs.Path targetPath, ContainerSpecification env) Add a path recursively to the container specification.
void	configure(ContainerSpecification container) Configure the given container specification.
static KeytabOverlay.Builder	newBuilder()

Methods inherited from class java.lang.Object

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

Constructor Detail

KeytabOverlay

public KeytabOverlay(@Nullable
                     File keytab)

KeytabOverlay

public KeytabOverlay(@Nullable
                     org.apache.flink.core.fs.Path keytab)

Method Detail

configure

public void configure(ContainerSpecification container)
               throws IOException

Description copied from interface: ContainerOverlay

Configure the given container specification.

Throws:

IOException

newBuilder

public static KeytabOverlay.Builder newBuilder()

addPathRecursively

protected void addPathRecursively(File sourcePath,
                                  org.apache.flink.core.fs.Path targetPath,
                                  ContainerSpecification env)
                           throws IOException

Add a path recursively to the container specification.

If the path is a directory, the directory itself (not just its contents) is added to the target path.

The execute bit is preserved; permissions aren't.

Parameters:

sourcePath - the path to add.

targetPath - the target path.

env - the specification to mutate.

Throws:

IOException