org.apache.ambari.server.agent.rest

Class AgentResource

java.lang.Object

org.apache.ambari.server.agent.rest.AgentResource

public class AgentResource
extends Object

Agent Resource represents Ambari agent controller. It provides API for Ambari agents to get the cluster configuration changes as well as report the node attributes and state of services running the on the cluster nodes

Constructor Summary

Constructors

Constructor and Description
AgentResource()

Method Summary

Modifier and Type	Method and Description
ComponentsResponse	components(String clusterName) Retrieves the components category map for stack used on cluster (Internal API to be used by Ambari agent).
HeartBeatResponse	heartbeat(HeartBeat message) Update state of the node (Internal API to be used by Ambari agent).
static void	init(HeartBeatHandler instance)
RegistrationResponse	register(Register message, javax.servlet.http.HttpServletRequest req) Register information about the host (Internal API to be used for Ambari Agent)
static void	startHeartBeatHandler() Explicitly start HH

Methods inherited from class java.lang.Object

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

Constructor Detail

AgentResource

public AgentResource()

Method Detail

init

@Inject
public static void init(HeartBeatHandler instance)

startHeartBeatHandler

public static void startHeartBeatHandler()

Explicitly start HH

register

public RegistrationResponse register(Register message,
                                     @Context
                                     javax.servlet.http.HttpServletRequest req)
                              throws javax.ws.rs.WebApplicationException,
                                     InvalidStateTransitionException

Register information about the host (Internal API to be used for Ambari Agent)

Parameters:

message - Register message

Throws:

InvalidStateTransitionException

org.apache.ambari.server.AmbariException

Exception

javax.ws.rs.WebApplicationException

heartbeat

public HeartBeatResponse heartbeat(HeartBeat message)
                            throws javax.ws.rs.WebApplicationException

Update state of the node (Internal API to be used by Ambari agent).

Parameters:

message - Heartbeat message

Throws:

Exception

javax.ws.rs.WebApplicationException

components

public ComponentsResponse components(String clusterName)

Retrieves the components category map for stack used on cluster (Internal API to be used by Ambari agent).

Parameters:

clusterName - of cluster

Throws:

Exception