@InterfaceAudience.Private @InterfaceStability.Unstable public class DefaultLinuxContainerRuntime extends Object implements LinuxContainerRuntime
ContainerRuntime implementation that uses the
 native container-executor binary via a
 PrivilegedOperationExecutor instance to launch processes using the
 standard process model.| Constructor and Description | 
|---|
| DefaultLinuxContainerRuntime(PrivilegedOperationExecutor privilegedOperationExecutor)Create an instance using the given  PrivilegedOperationExecutorinstance for performing operations. | 
| 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. | 
| 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. | 
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitgetLocalResources, start, stoppublic DefaultLinuxContainerRuntime(PrivilegedOperationExecutor privilegedOperationExecutor)
PrivilegedOperationExecutor
 instance for performing operations.privilegedOperationExecutor - the PrivilegedOperationExecutor
 instancepublic boolean isRuntimeRequested(Map<String,String> env)
LinuxContainerRuntimeisRuntimeRequested in interface LinuxContainerRuntimeenv - the environment variable settings for the operationpublic 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 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)
ContainerRuntimegetIpAndHost in interface ContainerRuntimecontainer - the Containerpublic String getExposedPorts(Container container)
ContainerRuntimegetExposedPorts in interface ContainerRuntimecontainer - the Containerpublic org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair execContainer(ContainerExecContext ctx) throws ContainerExecutionException
ContainerRuntimeexecContainer in interface ContainerRuntimectx - the ContainerExecContextContainerExecutionExceptionCopyright © 2008–2023 Apache Software Foundation. All rights reserved.