Package org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged

Class PrivilegedOperation

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation

@Private
@Unstable
public class PrivilegedOperation
extends Object

Represents operations that require higher system privileges - e.g creating cgroups, launching containers as specified users, 'tc' commands etc that are completed using the container-executor binary

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	PrivilegedOperation.OperationType
static enum	PrivilegedOperation.ResultCode	Result codes returned from the C container-executor.
static enum	PrivilegedOperation.RunAsUserCommand	List of commands that the container-executor will execute.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CGROUP_ARG_NO_TASKS
static final String	CGROUP_ARG_PREFIX
static final char	LINUX_FILE_PATH_SEPARATOR

Constructor Summary

Constructors

Constructor	Description
PrivilegedOperation(PrivilegedOperation.OperationType opType)
PrivilegedOperation(PrivilegedOperation.OperationType opType, String arg)
PrivilegedOperation(PrivilegedOperation.OperationType opType, List<String> args)

Method Summary

Modifier and Type	Method	Description
void	appendArgs(String... args)
void	appendArgs(List<String> args)
void	disableFailureLogging()
void	enableFailureLogging()
boolean	equals(Object other)
List<String>	getArguments()
PrivilegedOperation.OperationType	getOperationType()
int	hashCode()
boolean	isFailureLoggingEnabled()

Methods inherited from class java.lang.Object

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

Field Details

LINUX_FILE_PATH_SEPARATOR

public static final char LINUX_FILE_PATH_SEPARATOR

See Also:

• Constant Field Values

CGROUP_ARG_PREFIX

public static final String CGROUP_ARG_PREFIX

See Also:

• Constant Field Values

CGROUP_ARG_NO_TASKS

public static final String CGROUP_ARG_NO_TASKS

See Also:

• Constant Field Values

Constructor Details

PrivilegedOperation

public PrivilegedOperation(PrivilegedOperation.OperationType opType)

PrivilegedOperation

public PrivilegedOperation(PrivilegedOperation.OperationType opType,
 String arg)

PrivilegedOperation

public PrivilegedOperation(PrivilegedOperation.OperationType opType,
 List<String> args)

Method Details

appendArgs

public void appendArgs(String... args)

appendArgs

public void appendArgs(List<String> args)

enableFailureLogging

public void enableFailureLogging()

disableFailureLogging

public void disableFailureLogging()

isFailureLoggingEnabled

public boolean isFailureLoggingEnabled()

getOperationType

public PrivilegedOperation.OperationType getOperationType()

getArguments

public List<String> getArguments()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object