org.apache.hadoop.yarn.server.webapp

Class LogWebService

java.lang.Object

org.apache.hadoop.yarn.server.webapp.LogWebService

public class LogWebService
extends Object

Support only ATSv2 client only.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	LogWebService.AppInfo
protected static class	LogWebService.ContainerInfo

Constructor Summary

Constructors

Constructor and Description
LogWebService()

Method Summary

Modifier and Type	Method and Description
protected LogWebService.AppInfo	getApp(javax.servlet.http.HttpServletRequest req, String appId, String clusterId)
protected LogWebService.ContainerInfo	getContainer(javax.servlet.http.HttpServletRequest req, String appId, String containerId, String clusterId)
javax.ws.rs.core.Response	getContainerLogFile(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, String containerIdStr, String filename, String format, String size, String nmId, boolean redirectedFromNode, String clusterId) Returns the contents of a container's log file in plain text.
javax.ws.rs.core.Response	getContainerLogsInfo(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, String containerIdStr, String nmId, boolean redirectedFromNode, String clusterId) Returns log file's name as well as current file size for a container.
protected org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity	getEntity(String path, javax.ws.rs.core.MultivaluedMap<String,String> params)
javax.ws.rs.core.Response	getLogs(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, String containerIdStr, String filename, String format, String size, String nmId, boolean redirectedFromNode, String clusterId)

Methods inherited from class java.lang.Object

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

Constructor Detail

LogWebService

public LogWebService()

Method Detail

getContainerLogsInfo

public javax.ws.rs.core.Response getContainerLogsInfo(@Context
                                                      javax.servlet.http.HttpServletRequest req,
                                                      @Context
                                                      javax.servlet.http.HttpServletResponse res,
                                                      String containerIdStr,
                                                      String nmId,
                                                      boolean redirectedFromNode,
                                                      String clusterId)

Returns log file's name as well as current file size for a container.

Parameters:

req - HttpServletRequest

res - HttpServletResponse

containerIdStr - The container ID

nmId - The Node Manager NodeId

redirectedFromNode - Whether this is a redirected request from NM

Returns:

The log file's name and current file size

getContainer

protected LogWebService.ContainerInfo getContainer(javax.servlet.http.HttpServletRequest req,
                                                   String appId,
                                                   String containerId,
                                                   String clusterId)

getApp

protected LogWebService.AppInfo getApp(javax.servlet.http.HttpServletRequest req,
                                       String appId,
                                       String clusterId)

getContainerLogFile

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public javax.ws.rs.core.Response getContainerLogFile(@Context
                                                                                                             javax.servlet.http.HttpServletRequest req,
                                                                                                             @Context
                                                                                                             javax.servlet.http.HttpServletResponse res,
                                                                                                             String containerIdStr,
                                                                                                             String filename,
                                                                                                             String format,
                                                                                                             String size,
                                                                                                             String nmId,
                                                                                                             boolean redirectedFromNode,
                                                                                                             String clusterId)

Returns the contents of a container's log file in plain text.

Parameters:

req - HttpServletRequest

res - HttpServletResponse

containerIdStr - The container ID

filename - The name of the log file

format - The content type

size - the size of the log file

nmId - The Node Manager NodeId

redirectedFromNode - Whether this is the redirect request from NM

Returns:

The contents of the container's log file

getLogs

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public javax.ws.rs.core.Response getLogs(@Context
                                                                                                 javax.servlet.http.HttpServletRequest req,
                                                                                                 @Context
                                                                                                 javax.servlet.http.HttpServletResponse res,
                                                                                                 String containerIdStr,
                                                                                                 String filename,
                                                                                                 String format,
                                                                                                 String size,
                                                                                                 String nmId,
                                                                                                 boolean redirectedFromNode,
                                                                                                 String clusterId)

getEntity

protected org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity getEntity(String path,
                                                                                      javax.ws.rs.core.MultivaluedMap<String,String> params)
                                                                               throws IOException

Throws:

IOException