@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
PrivilegedOperationExecutor
instance 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 © 2008–2024 Apache Software Foundation. All rights reserved.