@InterfaceAudience.Private @InterfaceStability.Unstable public class DelegatingLinuxContainerRuntime extends Object implements LinuxContainerRuntime
ContainerRuntime implementation that delegates all
 operations to a DefaultLinuxContainerRuntime instance, a
 DockerLinuxContainerRuntime instance, a
 JavaSandboxLinuxContainerRuntime instance, or a custom instance
 depending on whether each instance believes the operation to be within its
 scope.| Constructor and Description | 
|---|
| DelegatingLinuxContainerRuntime() | 
| Modifier and Type | Method and Description | 
|---|---|
| org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair | execContainer(ContainerExecContext ctx)Run a program in container. | 
| String | getExposedPorts(Container container)Return the exposed ports of the container. | 
| String[] | getIpAndHost(Container container)Return the host and ip of the container. | 
| Map<String,org.apache.hadoop.yarn.api.records.LocalResource> | getLocalResources(Container container) | 
| void | initialize(org.apache.hadoop.conf.Configuration conf,
          Context nmContext)Initialize the runtime. | 
| boolean | isRuntimeRequested(Map<String,String> env)Return whether the given environment variables indicate that the operation
 is requesting this runtime. | 
| void | launchContainer(ContainerRuntimeContext ctx)Launch a container. | 
| void | prepareContainer(ContainerRuntimeContext ctx)Prepare a container to be ready for launch. | 
| void | reapContainer(ContainerRuntimeContext ctx)Perform any container cleanup that may be required. | 
| void | relaunchContainer(ContainerRuntimeContext ctx)Relaunch a container. | 
| void | signalContainer(ContainerRuntimeContext ctx)Signal a container. | 
| void | start() | 
| void | stop() | 
public void initialize(org.apache.hadoop.conf.Configuration conf,
                       Context nmContext)
                throws ContainerExecutionException
LinuxContainerRuntimeinitialize in interface LinuxContainerRuntimeconf - the Configuration to usenmContext - NMContextContainerExecutionException - if an error occurs while initializing
 the runtimepublic boolean isRuntimeRequested(Map<String,String> env)
LinuxContainerRuntimeisRuntimeRequested in interface LinuxContainerRuntimeenv - the environment variable settings for the operationpublic void prepareContainer(ContainerRuntimeContext ctx) throws ContainerExecutionException
ContainerRuntimeprepareContainer in interface ContainerRuntimectx - the ContainerRuntimeContextContainerExecutionException - if an error occurs while preparing
 the containerpublic void launchContainer(ContainerRuntimeContext ctx) throws ContainerExecutionException
ContainerRuntimelaunchContainer in interface ContainerRuntimectx - the ContainerRuntimeContextContainerExecutionException - if an error occurs while launching
 the containerpublic void relaunchContainer(ContainerRuntimeContext ctx) throws ContainerExecutionException
ContainerRuntimerelaunchContainer in interface ContainerRuntimectx - the ContainerRuntimeContextContainerExecutionException - if an error occurs while relaunching
 the containerpublic void signalContainer(ContainerRuntimeContext ctx) throws ContainerExecutionException
ContainerRuntimesignalContainer in interface ContainerRuntimectx - the ContainerRuntimeContextContainerExecutionException - if an error occurs while signaling
 the containerpublic void reapContainer(ContainerRuntimeContext ctx) throws ContainerExecutionException
ContainerRuntimereapContainer in interface ContainerRuntimectx - the ContainerRuntimeContextContainerExecutionException - if an error occurs while reaping
 the containerpublic String[] getIpAndHost(Container container) throws ContainerExecutionException
ContainerRuntimegetIpAndHost in interface ContainerRuntimecontainer - the ContainerContainerExecutionException - if an error occurs while getting the ip
 and hostnamepublic String getExposedPorts(Container container) throws ContainerExecutionException
ContainerRuntimegetExposedPorts in interface ContainerRuntimecontainer - the ContainerContainerExecutionException - if an error occurs while getting
 the exposed portspublic org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair execContainer(ContainerExecContext ctx) throws ContainerExecutionException
ContainerRuntimeexecContainer in interface ContainerRuntimectx - the ContainerExecContextContainerExecutionExceptionpublic Map<String,org.apache.hadoop.yarn.api.records.LocalResource> getLocalResources(Container container) throws IOException
getLocalResources in interface LinuxContainerRuntimeIOExceptionpublic void start()
start in interface LinuxContainerRuntimepublic void stop()
stop in interface LinuxContainerRuntimeCopyright © 2008–2023 Apache Software Foundation. All rights reserved.